/* roulang page: index */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-lg:0 24px 60px rgba(0,0,0,.45);
  --shadow-brand:0 0 0 1px rgba(53,224,200,.28), 0 10px 32px rgba(53,224,200,.22);
  --gap:24px;
  --section-pad:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em;color:var(--text-1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",sans-serif}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding-top:var(--section-pad);padding-bottom:var(--section-pad)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.section-title{font-size:clamp(26px,3.2vw,40px);line-height:1.25}
.section-sub{margin-top:12px;color:var(--text-2);max-width:62ch;font-size:15.5px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  padding:6px 14px;border:1px solid rgba(53,224,200,.3);
  border-radius:999px;background:var(--brand-soft);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#35E0C8,#12A8A0);
  color:#04211F;box-shadow:var(--shadow-brand);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04211F;box-shadow:0 0 0 1px rgba(53,224,200,.4),0 16px 40px rgba(53,224,200,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;color:var(--text-1);border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--text-1);transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:10px 22px;font-size:14.5px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-weight:600;font-size:15px;min-height:44px;
}
.link-arrow svg{transition:transform .22s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 標籤 / 膠囊 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;padding:4px 10px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03);
}
.pill-accent{color:var(--accent);background:var(--accent-soft);border-color:rgba(245,185,66,.35)}
.pill-brand{color:var(--brand);background:var(--brand-soft);border-color:rgba(53,224,200,.35)}
.pill-live{color:var(--danger);background:rgba(255,107,122,.12);border-color:rgba(255,107,122,.35)}
.pill-done{color:var(--brand);background:var(--brand-soft);border-color:rgba(53,224,200,.3)}

/* ---------- 導覽 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:72px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .28s ease,height .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(6,10,19,.78);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:.02em;color:var(--text-1);white-space:nowrap}
.brand:hover{color:var(--text-1)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,rgba(245,185,66,.9),rgba(53,224,200,.85));
  color:#06121A;font-size:12px;font-weight:800;font-family:"Inter",sans-serif;
}
.brand-sep{width:1px;height:16px;background:var(--line-strong)}
.brand-aihp{color:var(--brand);font-family:"Inter",sans-serif;font-weight:700;letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;min-height:44px;display:inline-flex;align-items:center;
}
.nav-link:hover{color:var(--text-1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(53,224,200,.6);
}
.nav-more{position:relative}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;
  color:var(--text-2);font-size:15px;font-weight:500;padding:6px 0;min-height:44px;cursor:pointer;
  transition:color .22s ease;
}
.nav-more-btn:hover,.nav-more:hover .nav-more-btn{color:var(--text-1)}
.nav-more-btn svg{transition:transform .22s ease}
.nav-more:hover .nav-more-btn svg{transform:rotate(180deg)}
.nav-dropdown{
  position:absolute;top:calc(100% + 10px);left:-18px;min-width:250px;
  background:#0B1120;border:1px solid var(--line-strong);border-radius:16px;
  padding:10px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-more:hover .nav-dropdown,.nav-more:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);min-height:44px;
}
.nav-dropdown a:hover{background:rgba(53,224,200,.08);color:var(--brand)}
.nav-dropdown .idx{font-size:11.5px;color:var(--accent);font-family:"Inter",sans-serif;letter-spacing:.06em}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:12px;background:rgba(255,255,255,.03);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 手機抽屜 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:950;
  background:rgba(6,10,19,.98);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:88px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);color:var(--text-1);
  font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav a{
  display:flex;align-items:center;gap:14px;min-height:56px;
  border-bottom:1px solid var(--line);font-size:16.5px;color:var(--text-1);
}
.drawer-nav a .idx{font-size:12px;color:var(--accent);font-family:"Inter",sans-serif;letter-spacing:.08em}
.drawer-nav a:hover{color:var(--brand)}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.drawer-foot .btn{width:100%}
.drawer-note{font-size:13px;color:var(--text-3);text-align:center}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:132px;padding-bottom:80px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 420px at 78% 8%,rgba(53,224,200,.14),transparent 68%),
    radial-gradient(560px 360px at 6% 70%,rgba(245,185,66,.08),transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(32px,4.6vw,52px);line-height:1.2;margin-top:22px}
.hero-copy h1 em{font-style:normal;color:var(--brand);position:relative}
.hero-lead{margin-top:20px;color:var(--text-2);font-size:17px;line-height:1.85;max-width:34em}
.hero-cta{display:flex;align-items:center;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-badges .pill{font-size:12.5px;padding:7px 13px}
.hero-meter{margin-top:36px;max-width:440px}
.meter-label{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);margin-bottom:8px}
.meter-label b{color:var(--text-1);font-weight:600}
.meter{height:6px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.meter span{display:block;height:100%;width:64%;border-radius:999px;background:linear-gradient(90deg,#35E0C8,#12A8A0);animation:fillBar .9s ease both}
@keyframes fillBar{from{width:8%}to{width:64%}}
.hero-stats{display:flex;gap:32px;margin-top:22px}
.hero-stat .n{font-size:22px;font-weight:800;color:var(--text-1);font-family:"Inter",sans-serif;font-variant-numeric:tabular-nums}
.hero-stat .l{font-size:12.5px;color:var(--text-3);margin-top:2px}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(53,224,200,.3);
  box-shadow:0 0 0 1px rgba(53,224,200,.12),0 30px 80px rgba(0,0,0,.55);
  aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.15) 0%,rgba(6,10,19,.62) 100%);
}
.hero-float{
  position:absolute;left:-24px;bottom:-24px;width:250px;
  background:rgba(11,17,32,.86);
  border:1px solid var(--line-strong);border-radius:18px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:18px;box-shadow:var(--shadow-lg);
}
.hero-float .t{font-size:12.5px;color:var(--text-3);letter-spacing:.06em}
.hero-float .v{font-size:17px;font-weight:700;margin-top:6px;color:var(--text-1)}
.hero-float .meter{margin-top:12px;height:5px}
.hero-float .meter span{width:72%;animation:fillBar2 .9s ease both}
@keyframes fillBar2{from{width:6%}to{width:72%}}

/* ---------- 玩法：編號軌道 ---------- */
.track{position:relative;display:flex;flex-direction:column;gap:20px}
.track::before{
  content:"";position:absolute;left:34px;top:24px;bottom:24px;width:1px;
  background:linear-gradient(180deg,rgba(53,224,200,.5),rgba(53,224,200,.06));
}
.track-item{
  position:relative;display:grid;grid-template-columns:88px 1fr;gap:26px;
  padding:26px 28px;border-radius:var(--radius-md);
  background:var(--bg-glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.track-item:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.track-item:nth-child(even){margin-left:56px}
.track-no{
  align-self:start;width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:"Inter",sans-serif;font-weight:800;font-size:18px;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(245,185,66,.4);
  position:relative;z-index:1;
}
.track-item h3{font-size:19px;margin-bottom:8px}
.track-item p{color:var(--text-2);font-size:15px;line-height:1.85}
.track-tag{margin-top:12px;display:inline-flex}

/* ---------- 獎勵預覽：錯位網格 ---------- */
.reward-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.reward-col{display:grid;gap:24px}
.reward-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-md);background:var(--bg-glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:0 20px 48px rgba(0,0,0,.45)}
.reward-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.reward-card:hover .reward-thumb img{transform:scale(1.04)}
.reward-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.15),rgba(6,10,19,.72))}
.reward-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.reward-body h3{font-size:18px}
.reward-body p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.reward-state{margin-top:auto;padding-top:14px}
.reward-card.large .reward-thumb{aspect-ratio:16/10}
.reward-card.large .reward-body h3{font-size:21px}

/* ---------- 進度軸 ---------- */
.axis-panel{
  border-radius:var(--radius-lg);padding:44px 40px;
  background:linear-gradient(180deg,rgba(18,26,46,.85),rgba(11,17,32,.85));
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.axis-track{position:relative;height:6px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.axis-track span{display:block;height:100%;width:66%;border-radius:999px;background:linear-gradient(90deg,#35E0C8,#12A8A0);box-shadow:0 0 18px rgba(53,224,200,.5);animation:fillBar3 1s ease both}
@keyframes fillBar3{from{width:4%}to{width:66%}}
.axis-labels{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:22px}
.axis-item{position:relative;text-align:center;font-size:13px;color:var(--text-3);padding-top:2px}
.axis-item .dot{
  position:absolute;top:-25px;left:50%;transform:translateX(-50%);
  width:12px;height:12px;border-radius:50%;
  background:var(--bg-900);border:1px solid var(--line-strong);
}
.axis-item.done{color:var(--text-1)}
.axis-item.done .dot{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 4px rgba(53,224,200,.16)}
.axis-item.current{color:var(--accent)}
.axis-item.current .dot{background:var(--bg-900);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.16)}
.axis-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:38px;flex-wrap:wrap}
.current-stage{
  display:flex;align-items:center;gap:16px;padding:16px 22px;border-radius:16px;
  background:rgba(245,185,66,.08);border:1px solid rgba(245,185,66,.3);
}
.current-stage .k{font-size:12.5px;color:var(--text-3);letter-spacing:.08em}
.current-stage .v{font-size:16px;font-weight:700;color:var(--accent)}
.axis-note{font-size:13.5px;color:var(--text-3);max-width:40ch}

/* ---------- 分類入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:26px 24px 24px;border-radius:var(--radius-md);
  background:var(--bg-glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  min-height:100%;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:0 20px 48px rgba(0,0,0,.45)}
.cat-card .no{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:.14em;color:var(--accent)}
.cat-card h3{font-size:18.5px;line-height:1.45}
.cat-card p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.cat-card .go{margin-top:auto;padding-top:10px;color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.cat-card:hover .go svg{transform:translateX(4px)}
.cat-card .go svg{transition:transform .22s ease}

/* ---------- 最新資訊 CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-md);
  background:var(--bg-glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:0 20px 48px rgba(0,0,0,.45);color:inherit}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.1),rgba(6,10,19,.7))}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:17px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s ease;
}
.news-card:hover .news-title{color:var(--brand)}
.news-desc{
  color:var(--text-2);font-size:14px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;padding-top:12px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line-strong);border-radius:var(--radius-md);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state p{color:var(--text-2);font-size:15.5px}
.empty-state .btn{margin-top:20px}

/* ---------- 場景 / 證據 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  padding:24px 22px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.3)}
.scene-card .n{font-family:"Inter",sans-serif;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.scene-card h3{font-size:16px;margin:10px 0 8px}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.scene-quote{
  margin-top:32px;padding:32px 34px;border-radius:var(--radius-md);
  border-left:3px solid var(--accent);background:rgba(245,185,66,.06);
}
.scene-quote p{font-size:16.5px;color:var(--text-1);line-height:1.9;max-width:70ch}
.scene-quote cite{display:block;margin-top:14px;font-style:normal;font-size:13.5px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:500;color:var(--text-1);min-height:44px;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .24s ease,background .24s ease;
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item[open] .faq-icon::before{background:var(--brand)}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{padding:0 4px 24px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:72ch}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:88px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/100% 48px,
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/48px 100%,
    radial-gradient(620px 300px at 50% 0%,rgba(53,224,200,.14),transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(26px,3.4vw,42px);line-height:1.3}
.cta-inner p{margin-top:16px;color:var(--text-2);font-size:16px}
.cta-inner .btn{margin-top:32px}
.cta-hint{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ---------- 頁尾 ---------- */
.site-footer{border-top:1px solid var(--line);padding-top:72px;padding-bottom:32px;background:var(--bg-800)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:34ch}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:16px;font-weight:500}
.footer-list li{margin-bottom:4px}
.footer-list a{font-size:14.5px;color:var(--text-2);display:inline-flex;align-items:center;min-height:36px}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}
.footer-meta{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- 手機底部條 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:880;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,19,.92);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{width:100%}

/* ---------- 響應式 ---------- */
@media (max-width:1399px){
  .container{max-width:1080px}
}
@media (max-width:1199px){
  :root{--section-pad:80px}
  .hero-grid{gap:40px;grid-template-columns:1fr .82fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .main-nav{gap:22px}
  .nav-link,.nav-more-btn{font-size:14.5px}
}
@media (max-width:991px){
  :root{--section-pad:72px}
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:112px;padding-bottom:64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{position:static;width:100%;margin-top:20px;left:auto;bottom:auto}
  .reward-grid{grid-template-columns:1fr}
  .track-item:nth-child(even){margin-left:0}
  .track::before{left:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .axis-panel{padding:32px 24px}
  .axis-labels{grid-template-columns:repeat(5,1fr);gap:4px}
  .axis-item{font-size:12px}
}
@media (max-width:767px){
  :root{--section-pad:56px}
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px}
  .cat-grid,.news-grid,.scene-grid{grid-template-columns:1fr}
  .reward-body{padding:20px}
  .track-item{grid-template-columns:56px 1fr;gap:16px;padding:22px 20px}
  .track-no{width:44px;height:44px;border-radius:13px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:block}
  body{padding-bottom:76px}
  .axis-labels{grid-template-columns:repeat(5,1fr)}
  .axis-item{font-size:11px;line-height:1.4}
  .axis-foot{flex-direction:column;align-items:flex-start}
  .scene-quote{padding:24px 22px}
  .faq-item summary{font-size:16px}
  .cta-band{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --r-card:20px;
  --r-lg:24px;
  --r-sm:14px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.28),0 10px 32px rgba(53,224,200,.22);
  --maxw:1180px;
  --bs-body-bg:var(--bg-900);
  --bs-body-color:var(--text-1);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"Noto Sans TC","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--text-1);
  background:var(--bg-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 82% -6%,rgba(53,224,200,.10),transparent 70%),
    radial-gradient(560px 380px at 8% 8%,rgba(245,185,66,.06),transparent 72%);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.28;letter-spacing:.01em;font-weight:800;color:var(--text-1);}
p{margin:0 0 20px;}
ul,ol{margin:0 0 20px;padding-left:22px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .28s ease,backdrop-filter .28s ease,box-shadow .28s ease;
  background:transparent;
}
.site-header.is-scrolled{
  background:rgba(6,10,19,.78);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 1px 0 var(--line);
}
.nav-wrap{
  height:72px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;transition:height .28s ease;
}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:var(--text-1);letter-spacing:.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#04120F;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 6px 18px rgba(53,224,200,.28);
}
.brand-sep{width:1px;height:16px;background:var(--line-strong);display:inline-block;}
.brand-aihp{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:.16em;color:var(--accent);font-weight:600;}

.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}

.nav-more{position:relative;}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;color:var(--text-2);
  font-size:14.5px;font-weight:500;padding:6px 0;cursor:pointer;transition:color .2s ease;
}
.nav-more-btn:hover,.nav-more.is-open .nav-more-btn{color:var(--text-1);}
.nav-more.is-open .nav-more-btn svg{transform:rotate(180deg);}
.nav-more-btn svg{transition:transform .22s ease;}
.nav-dropdown{
  position:absolute;top:calc(100% + 16px);right:0;min-width:248px;
  background:#0A101D;border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-more.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dropdown a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);transition:background .2s ease,color .2s ease;
}
.nav-dropdown a:hover{background:var(--brand-soft);color:var(--text-1);}
.nav-dropdown .idx{
  font-family:"Inter",sans-serif;font-size:11px;letter-spacing:.08em;
  color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--glow);transition:transform .2s ease,filter .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{color:#04120F;transform:translateY(-2px);filter:brightness(1.08);}
.nav-cta:active{transform:translateY(1px);}

.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.03);cursor:pointer;position:relative;padding:0;
}
.burger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--text-1);transition:transform .24s ease,opacity .24s ease;
}
.burger span:nth-child(1){top:15px;}
.burger span:nth-child(2){top:21px;}
.burger span:nth-child(3){top:27px;}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:0;z-index:999;
  background:rgba(6,10,19,.98);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a{
  display:flex;align-items:center;gap:14px;
  min-height:56px;border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;
}
.mobile-drawer a .idx{
  font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);
  letter-spacing:.1em;font-weight:600;min-width:22px;
}
.mobile-drawer .drawer-cta{
  margin-top:28px;justify-content:center;border:0;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;font-weight:700;
}
.mobile-drawer .drawer-foot{
  margin-top:auto;padding-top:28px;font-size:12.5px;color:var(--text-3);
}

/* ============ Page shell ============ */
.page-main{padding-top:112px;position:relative;z-index:1;}
.breadcrumb-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:28px;
}
.breadcrumb-bar a{color:var(--text-2);}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar .sep{color:var(--text-3);}
.breadcrumb-bar .current{color:var(--text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{max-width:820px;margin:0 auto;text-align:left;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  border:1px solid rgba(245,185,66,.28);
}
.article-title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.24;margin:18px 0 18px;letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--text-3);
  padding-bottom:26px;border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);display:inline-block;}
.article-cover{
  margin:32px 0 8px;border-radius:var(--r-lg);overflow:hidden;
  position:relative;aspect-ratio:16/9;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--bg-700);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.15) 0%,rgba(6,10,19,.62) 100%);
}
.cover-caption{
  font-size:13px;color:var(--text-3);margin:12px 0 0;text-align:center;
}

/* ============ Article body ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:56px;
  align-items:start;margin-top:48px;
}
.article-body{
  max-width:800px;font-size:17px;line-height:1.9;color:var(--text-2);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 24px;color:var(--text-2);}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,26px);color:var(--text-1);
  margin:48px 0 20px;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{font-size:20px;color:var(--text-1);margin:36px 0 16px;line-height:1.45;}
.article-body h4{font-size:17px;color:var(--text-1);margin:28px 0 12px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(53,224,200,.35);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:24px;}
.article-body li{margin-bottom:10px;color:var(--text-2);}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body img{border-radius:var(--r-img);margin:24px 0 12px;width:100%;height:auto;}
.article-body figure{margin:28px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  background:rgba(245,185,66,.06);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}
.article-body .table-wrap{overflow-x:auto;margin:28px 0;border-radius:var(--r-sm);border:1px solid var(--line);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:480px;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(255,255,255,.04);color:var(--text-1);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}

.article-aside{position:sticky;top:104px;}
.toc-card{
  background:var(--bg-glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.toc-title{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);
  font-weight:600;margin-bottom:14px;text-transform:uppercase;
}
.toc-card ul{list-style:none;margin:0;padding:0;}
.toc-card li{margin-bottom:10px;}
.toc-card li a{
  display:block;font-size:13.5px;color:var(--text-2);line-height:1.6;
  padding-left:12px;border-left:2px solid var(--line);transition:color .2s ease,border-color .2s ease;
}
.toc-card li a:hover{color:var(--brand);border-left-color:var(--brand);}

/* ============ Tag & footer links ============ */
.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:28px;
  border-top:1px solid var(--line);
}
.tag{
  font-size:12px;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-2);transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:rgba(53,224,200,.4);color:var(--brand);}
.article-foot-nav{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line);
  font-size:14px;
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:500;
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}
.text-link.prev:hover svg{transform:translateX(-4px);}

.empty-state{
  background:rgba(255,255,255,.02);border:1px dashed var(--line-strong);
  border-radius:var(--r-card);padding:56px 28px;text-align:center;
  color:var(--text-2);
}
.empty-state h2{font-size:20px;color:var(--text-1);margin-bottom:12px;}
.empty-state p{margin-bottom:24px;color:var(--text-3);}

/* ============ Buttons ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--glow);transition:transform .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#04120F;transform:translateY(-2px);filter:brightness(1.08);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  border:1px solid var(--line-strong);background:transparent;
  color:var(--text-1);font-size:15px;font-weight:500;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

/* ============ Related ============ */
.section{padding:96px 0;position:relative;z-index:1;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:0;}
.section-head p{margin:8px 0 0;color:var(--text-3);font-size:14px;max-width:560px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  color:inherit;
}
.info-card:hover{
  transform:translateY(-4px);border-color:rgba(53,224,200,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 44px rgba(53,224,200,.12);
  color:inherit;
}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.info-card:hover .card-thumb img{transform:scale(1.04);}
.card-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.05) 0%,rgba(6,10,19,.66) 100%);
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text-1);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.info-card:hover .card-title{color:var(--brand);}
.card-desc{
  font-size:13.5px;line-height:1.75;color:var(--text-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
  padding-top:12px;border-top:1px solid var(--line);
}

/* ============ CTA band ============ */
.cta-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(11,17,32,.9),rgba(6,10,19,.9)),
    repeating-linear-gradient(90deg,rgba(53,224,200,.06) 0 1px,transparent 1px 64px);
}
.cta-inner{text-align:center;max-width:680px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;max-width:560px;margin:0 auto 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:22px 0;font-size:17px;font-weight:500;color:var(--text-1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 16px;width:16px;height:16px;
  transition:transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;transition:opacity .24s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:760px;}

/* ============ Footer ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(6,10,19,.6);
  padding:72px 0 32px;position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:48px;border-bottom:1px solid var(--line);
}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--text-3);margin:16px 0 0;max-width:300px;}
.footer-title{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);
  font-weight:600;margin:0 0 18px;text-transform:uppercase;
}
.footer-list{list-style:none;margin:0;padding:0;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:13.5px;color:var(--text-2);transition:color .2s ease;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:26px;font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.footer-meta{display:flex;flex-wrap:wrap;gap:20px;}

/* ============ Responsive ============ */
@media (max-width:1399px){
  .container{max-width:1080px;}
}
@media (max-width:1199px){
  .main-nav{gap:24px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .burger{display:block;}
  .page-main{padding-top:96px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .page-main{padding-top:88px;}
  .section{padding:56px 0;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .card-body{padding:20px;}
  .article-tags{gap:8px;margin-top:32px;}
  .article-foot-nav{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .breadcrumb-bar .current{white-space:normal;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --bg-900:#060A13;
    --bg-800:#0B1120;
    --bg-700:#121A2E;
    --glass:rgba(255,255,255,.04);
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --text-1:#EEF3FA;
    --text-2:#A7B6CC;
    --text-3:#6B7C94;
    --brand:#35E0C8;
    --brand-deep:#12A8A0;
    --brand-soft:rgba(53,224,200,.12);
    --accent:#F5B942;
    --accent-soft:rgba(245,185,66,.14);
    --danger:#FF6B7A;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --shadow:0 24px 60px rgba(0,0,0,.45);
    --glow:0 0 0 1px rgba(53,224,200,.28), 0 10px 32px rgba(53,224,200,.22);
    --t:220ms ease;
    --bs-body-bg:#060A13;
    --bs-body-color:#EEF3FA;
    --bs-border-color:rgba(255,255,255,.08);
    --bs-border-radius:20px;
    --bs-link-color:#35E0C8;
    --bs-link-hover-color:#12A8A0;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-900);
    color:var(--text-1);
    font-family:"Noto Sans TC","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background:
      radial-gradient(900px 520px at 12% -8%, rgba(53,224,200,.10), transparent 65%),
      radial-gradient(760px 460px at 92% 4%, rgba(245,185,66,.07), transparent 62%);
    z-index:0;
  }
  main,header,footer{position:relative;z-index:1}
  img{max-width:100%;display:block}
  a{color:var(--brand);text-decoration:none;transition:color var(--t)}
  a:hover{color:#5DEBDA}
  button{font-family:inherit}
  h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:.01em;margin:0}
  p{margin:0}
  ul{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
  .container{width:100%;max-width:1180px;margin-inline:auto;padding-inline:24px}

  /* ---------- header ---------- */
  .site-header{
    position:fixed;
    inset:0 0 auto 0;
    z-index:120;
    border-bottom:1px solid transparent;
    transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
  }
  .site-header.is-scrolled{
    background:rgba(6,10,19,.78);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom-color:var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:26px;height:72px}
  .brand{
    display:inline-flex;align-items:center;gap:10px;
    color:var(--text-1);font-weight:800;font-size:15.5px;
    letter-spacing:.02em;white-space:nowrap;flex:0 0 auto;
  }
  .brand:hover{color:var(--text-1)}
  .brand-mark{
    width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand),var(--brand-deep));
    color:#04211F;font-weight:800;font-size:15px;
    box-shadow:0 8px 20px rgba(53,224,200,.22);
  }
  .brand-sep{width:1px;height:16px;background:var(--line-strong)}
  .brand-aihp{font-family:"Inter",sans-serif;font-size:11.5px;letter-spacing:.16em;color:var(--brand)}
  .main-nav{display:flex;align-items:center;gap:26px;margin-inline:auto}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    padding:8px 0;
    font-size:14px;font-weight:500;color:var(--text-2);
    text-decoration:none;white-space:nowrap;
    transition:color var(--t);
  }
  .nav-link:hover{color:var(--text-1)}
  .nav-link.is-active{color:var(--brand)}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .nav-more{position:relative}
  .nav-more-btn{
    display:inline-flex;align-items:center;gap:6px;
    background:none;border:0;padding:8px 0;
    font-size:14px;font-weight:500;color:var(--text-2);
    cursor:pointer;transition:color var(--t);
  }
  .nav-more-btn:hover,.nav-more.is-open .nav-more-btn{color:var(--brand)}
  .nav-dropdown{
    position:absolute;top:calc(100% + 16px);right:0;min-width:272px;
    background:#0B1120;border:1px solid var(--line);border-radius:16px;
    padding:8px;box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity var(--t),transform var(--t),visibility var(--t);
  }
  .nav-more.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-dropdown a{
    display:flex;align-items:center;gap:12px;
    padding:12px 14px;border-radius:12px;
    font-size:14px;color:var(--text-2);
  }
  .nav-dropdown a:hover{background:var(--brand-soft);color:var(--brand)}
  .nav-dropdown .idx{font-family:"Inter",sans-serif;font-size:12px;color:var(--accent);letter-spacing:.08em}
  .header-cta{flex:0 0 auto}
  .nav-cta{display:none}
  .nav-toggle{
    display:none;width:44px;height:44px;margin-left:auto;
    align-items:center;justify-content:center;
    background:transparent;border:1px solid var(--line);border-radius:12px;
    cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);position:relative;border-radius:2px}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
    transition:transform var(--t),top var(--t),opacity var(--t);
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

  /* ---------- buttons ---------- */
  .btn-brand{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:999px;border:0;
    background:linear-gradient(135deg,var(--brand),var(--brand-deep));
    color:#04211F;font-weight:700;font-size:15px;letter-spacing:.02em;
    box-shadow:var(--glow);cursor:pointer;text-decoration:none;
    transition:transform var(--t),filter var(--t),box-shadow var(--t);
  }
  .btn-brand:hover{color:#04211F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 16px 40px rgba(53,224,200,.28)}
  .btn-brand:active{transform:translateY(1px)}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;
    border:1px solid var(--line-strong);background:transparent;
    color:var(--text-1);font-weight:600;font-size:15px;text-decoration:none;
    transition:border-color var(--t),color var(--t),transform var(--t),background var(--t);
  }
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);background:rgba(53,224,200,.06)}
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--brand);font-weight:600;font-size:14.5px;
  }
  .link-arrow svg{transition:transform var(--t)}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    padding:calc(72px + 60px) 0 68px;
    border-bottom:1px solid var(--line);
  }
  .page-hero .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.jpg');
    background-size:cover;background-position:center;
    opacity:.55;
  }
  .page-hero .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,10,19,.9) 0%,rgba(6,10,19,.94) 55%,var(--bg-900) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:840px}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap}
  .crumb a{color:var(--text-2)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:var(--text-3);opacity:.7}
  .crumb .current{color:var(--text-3)}
  .pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;font-weight:500;letter-spacing:.06em;
    color:var(--accent);background:var(--accent-soft);
    border:1px solid rgba(245,185,66,.3);
  }
  .pill i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:block}
  .page-hero h1{
    font-size:clamp(30px,4.4vw,52px);
    margin:20px 0 20px;
    letter-spacing:.01em;
  }
  .page-hero h1 em{font-style:normal;color:var(--brand)}
  .hero-lead{max-width:700px;color:var(--text-2);font-size:16.5px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
  .stat-chip{
    border:1px solid var(--line);background:var(--glass);
    border-radius:var(--r-sm);padding:14px 18px;min-width:158px;
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  }
  .stat-chip b{
    display:block;font-family:"Inter",sans-serif;font-size:20px;font-weight:700;
    color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.01em;
  }
  .stat-chip span{font-size:12.5px;color:var(--text-3);letter-spacing:.04em}
  .hero-track{margin-top:34px;max-width:520px}
  .track-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;position:relative}
  .track-bar i{
    display:block;height:100%;width:42%;border-radius:999px;
    background:linear-gradient(90deg,var(--brand),var(--brand-deep));
    animation:fillIn 900ms ease both;
  }
  @keyframes fillIn{from{width:0}to{width:42%}}
  .track-meta{display:flex;justify-content:space-between;gap:12px;margin-top:10px;font-size:12.5px;color:var(--text-3)}
  .track-meta b{color:var(--accent);font-weight:600}

  /* ---------- sections ---------- */
  .section{padding:96px 0}
  .section-sm{padding:72px 0}
  .section-head{max-width:740px;margin-bottom:48px}
  .eyebrow{
    font-family:"Inter",sans-serif;
    font-size:12px;letter-spacing:.18em;color:var(--brand);
    text-transform:uppercase;margin-bottom:14px;display:block;
  }
  .section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px}
  .section-head p{color:var(--text-2);font-size:16px}

  /* ---------- flow list ---------- */
  .flow-list{display:grid;gap:28px}
  .flow-item{
    display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
    padding:28px;
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    transition:border-color var(--t),transform var(--t),box-shadow var(--t);
  }
  .flow-item:hover{border-color:rgba(53,224,200,.35);transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 24px 60px rgba(0,0,0,.45)}
  .flow-item:nth-child(even) .shot{order:2}
  .flow-item:nth-child(even) .flow-body{order:1}
  .shot{
    position:relative;overflow:hidden;border-radius:18px;
    aspect-ratio:16/10;border:1px solid var(--line);background:var(--bg-700);
  }
  .shot img{width:100%;height:100%;object-fit:cover;transition:transform 600ms ease}
  .flow-item:hover .shot img{transform:scale(1.04)}
  .shot::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,10,19,.18) 0%,rgba(6,10,19,.68) 100%);
  }
  .shot-tag{
    position:absolute;left:16px;bottom:14px;z-index:2;
    font-size:12px;letter-spacing:.08em;color:var(--text-1);
    padding:5px 11px;border-radius:999px;
    background:rgba(6,10,19,.6);border:1px solid rgba(255,255,255,.18);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .flow-num{
    font-family:"Inter",sans-serif;font-size:12.5px;letter-spacing:.2em;
    color:var(--accent);display:block;margin-bottom:10px;
  }
  .flow-body h3{font-size:22px;margin-bottom:12px}
  .flow-body p{color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:46ch}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .tag{
    font-size:12px;color:var(--text-2);
    border:1px solid var(--line);border-radius:999px;
    padding:5px 12px;background:rgba(255,255,255,.03);
  }
  .flow-body .link-arrow{margin-top:20px}

  /* ---------- steps rail ---------- */
  .rail{
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
    padding:32px;
    background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  }
  .step{position:relative;padding-top:36px}
  .step::before{
    content:"";position:absolute;top:7px;left:0;right:-24px;height:1px;
    background:var(--line-strong);
  }
  .step:last-child::before{right:0;background:linear-gradient(90deg,var(--line-strong),transparent)}
  .step .dot{
    position:absolute;top:1px;left:0;width:13px;height:13px;border-radius:50%;
    background:var(--bg-900);border:1px solid var(--line-strong);
  }
  .step.done .dot{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 4px rgba(53,224,200,.14)}
  .step.now .dot{border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.14)}
  .step .step-no{font-family:"Inter",sans-serif;font-size:12px;color:var(--text-3);letter-spacing:.16em}
  .step h3{font-size:17px;margin:8px 0 8px}
  .step p{font-size:14px;color:var(--text-2);line-height:1.75}
  .step.done .step-no{color:var(--brand)}
  .step.now .step-no{color:var(--accent)}

  /* ---------- scene cards ---------- */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scene-card{
    padding:28px;border-radius:var(--r-md);
    background:var(--glass);border:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    transition:border-color var(--t),transform var(--t);
  }
  .scene-card:hover{border-color:rgba(53,224,200,.35);transform:translateY(-4px)}
  .scene-card .num{
    font-family:"Inter",sans-serif;font-size:12.5px;letter-spacing:.18em;color:var(--accent);
  }
  .scene-card h3{font-size:19px;margin:12px 0 10px}
  .scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
  .scene-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
  .state{
    font-size:11.5px;letter-spacing:.05em;border-radius:999px;padding:4px 10px;border:1px solid;
  }
  .state.ok{color:var(--brand);border-color:rgba(53,224,200,.4);background:var(--brand-soft)}
  .state.run{color:var(--accent);border-color:rgba(245,185,66,.4);background:var(--accent-soft)}
  .state.wait{color:var(--text-3);border-color:var(--line-strong);background:rgba(255,255,255,.03)}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:880px}
  .faq-item{border-top:1px solid var(--line)}
  .faq-item:last-child{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
    color:var(--text-1);font-size:17px;font-weight:500;line-height:1.6;
    transition:color var(--t);
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand);border-radius:2px;
    transition:transform var(--t),opacity var(--t);
  }
  .faq-icon::before{top:7px;left:0;width:16px;height:1.5px}
  .faq-icon::after{left:7px;top:0;width:1.5px;height:16px}
  .faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 280ms ease}
  .faq-item.is-open .faq-a{grid-template-rows:1fr}
  .faq-a > div{overflow:hidden}
  .faq-a p{padding:0 0 24px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:70ch}

  /* ---------- category pills ---------- */
  .cat-pills{display:flex;flex-wrap:wrap;gap:12px}
  .cat-pills a{
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 20px;border-radius:999px;
    border:1px solid var(--line);color:var(--text-2);
    font-size:14px;background:rgba(255,255,255,.02);
    transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
  }
  .cat-pills a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
  .cat-pills a span{font-family:"Inter",sans-serif;font-size:11.5px;color:var(--accent);letter-spacing:.1em}

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;text-align:center;padding:96px 0;
    border-top:1px solid var(--line);
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
      radial-gradient(circle at 50% 0%,rgba(53,224,200,.12),transparent 62%);
    background-size:64px 64px,64px 64px,100% 100%;
  }
  .cta-band h2{font-size:clamp(26px,3.4vw,40px);max-width:760px;margin:0 auto 18px}
  .cta-band p{color:var(--text-2);max-width:560px;margin:0 auto 32px}

  /* ---------- footer ---------- */
  .site-footer{
    border-top:1px solid var(--line);
    background:var(--bg-800);
    padding:64px 0 32px;
  }
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
  .footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;margin-top:16px;max-width:34ch}
  .footer-title{font-size:14px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:18px}
  .footer-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
  .footer-list a{color:var(--text-2);font-size:14px}
  .footer-list a:hover{color:var(--brand)}
  .footer-bottom{
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--text-3);
  }
  .footer-meta{display:flex;gap:20px;flex-wrap:wrap}
  .mobile-bar{display:none}

  /* ---------- responsive ---------- */
  @media (max-width:1199px){
    .container{max-width:1080px}
    .main-nav{gap:16px}
    .nav-link,.nav-more-btn{font-size:13px}
    .header-inner{gap:18px}
  }
  @media (max-width:991px){
    .section{padding:72px 0}
    .section-sm{padding:56px 0}
    .header-cta{display:none}
    .nav-toggle{display:inline-flex}
    .main-nav{
      position:fixed;inset:72px 0 0 0;
      flex-direction:column;align-items:stretch;gap:0;
      margin:0;padding:16px 24px 120px;
      background:rgba(6,10,19,.985);
      -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
      overflow-y:auto;
      opacity:0;visibility:hidden;transform:translateY(-8px);
      transition:opacity var(--t),transform var(--t),visibility var(--t);
      counter-reset:navi;
    }
    .main-nav.is-open{opacity:1;visibility:visible;transform:none}
    .nav-link{
      display:flex;align-items:center;
      min-height:56px;padding:0;border-bottom:1px solid var(--line);
      font-size:15px;color:var(--text-1);
    }
    .nav-link.is-active{color:var(--brand)}
    .nav-link.is-active::after{display:none}
    .nav-link::before{
      counter-increment:navi;content:counter(navi,decimal-leading-zero);
      font-family:"Inter",sans-serif;font-size:11.5px;color:var(--accent);
      letter-spacing:.1em;margin-right:14px;
    }
    .nav-more{margin-top:4px}
    .nav-more-btn{
      width:100%;justify-content:space-between;min-height:56px;
      border-bottom:1px solid var(--line);font-size:15px;color:var(--text-1);
    }
    .nav-dropdown{
      position:static;opacity:1;visibility:visible;transform:none;
      background:transparent;border:0;box-shadow:none;padding:0;min-width:0;
    }
    .nav-dropdown a{
      min-height:52px;padding:0 0 0 10px;border-radius:0;
      border-bottom:1px solid var(--line);font-size:14.5px;
    }
    .nav-cta{display:inline-flex;margin-top:28px;width:100%}
    .flow-item{grid-template-columns:1fr;gap:24px;padding:22px}
    .flow-item:nth-child(even) .shot{order:1}
    .flow-item:nth-child(even) .flow-body{order:2}
    .rail{grid-template-columns:repeat(2,1fr);gap:28px 24px;padding:28px}
    .step:nth-child(2)::before{right:0}
    .step:nth-child(3)::before{background:var(--line-strong)}
    .scene-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:767px){
    body{font-size:16px;padding-bottom:76px}
    .section{padding:56px 0}
    .page-hero{padding:calc(72px + 40px) 0 52px}
    .hero-stats{gap:10px}
    .stat-chip{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 14px}
    .stat-chip b{font-size:17px}
    .flow-item{padding:20px}
    .rail{grid-template-columns:1fr;padding:24px}
    .step{padding-top:30px}
    .step::before{right:0}
    .scene-grid{grid-template-columns:1fr}
    .flow-body p{max-width:none}
    .cta-band{padding:64px 0}
    .btn-brand,.btn-ghost{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
    .mobile-bar{
      display:flex;position:fixed;left:0;right:0;bottom:0;z-index:130;
      align-items:center;gap:12px;height:64px;
      padding:0 16px calc(0px + env(safe-area-inset-bottom));
      background:rgba(6,10,19,.94);
      -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
      border-top:1px solid var(--line);
    }
    .mobile-bar .btn-brand{padding:12px 20px;font-size:14.5px}
    .mobile-bar span{font-size:12px;color:var(--text-3);line-height:1.4}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --r-card:20px;
  --r-lg:24px;
  --r-sm:14px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.28), 0 10px 32px rgba(53,224,200,.22);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --ease:220ms ease;
  --bs-body-bg:#060A13;
  --bs-body-color:#EEF3FA;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:20px;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#7bf0e0;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:#7bf0e0}
p{margin:0 0 var(--sp-4);color:var(--text-2);max-width:72ch}
h1,h2,h3,h4{margin:0 0 var(--sp-3);color:var(--text-1);line-height:1.25;letter-spacing:.01em;font-weight:800}
h1{font-size:clamp(32px,4.6vw,52px)}
h2{font-size:clamp(26px,3.1vw,38px)}
h3{font-size:22px}
h4{font-size:18px;font-weight:700}
ul,ol{margin:0 0 var(--sp-4);padding-left:1.25em;color:var(--text-2)}
li{margin-bottom:var(--sp-2)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand-soft);color:#fff}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-800)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);
  border:1px solid rgba(245,185,66,.34);
  background:var(--accent-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:var(--sp-4);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:var(--sp-7);flex-wrap:wrap}
.sec-head p{margin:0;max-width:56ch}
.sec-line{flex:1;height:1px;background:var(--line);min-width:40px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,19,.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease);
}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:var(--text-1);letter-spacing:.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#06131a;
  background:linear-gradient(135deg,var(--accent),#e39a1d);
  box-shadow:0 6px 18px rgba(245,185,66,.28);
}
.brand-sep{width:1px;height:16px;background:var(--line-strong)}
.brand-aihp{font-family:"Inter",sans-serif;font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--text-2);
  padding:8px 0;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-more{position:relative}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;color:var(--text-2);
  font-size:14.5px;font-weight:500;padding:8px 0;cursor:pointer;
  transition:color var(--ease);
}
.nav-more-btn:hover,.nav-more.is-open .nav-more-btn{color:var(--brand)}
.nav-more.is-open .nav-more-btn svg{transform:rotate(180deg)}
.nav-more-btn svg{transition:transform var(--ease)}
.nav-dropdown{
  position:absolute;top:calc(100% + 14px);right:0;
  min-width:264px;
  background:#0A1020;
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-more.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.nav-dropdown a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-dropdown .idx{
  font-family:"Inter",sans-serif;font-size:11px;font-weight:600;
  color:var(--accent);letter-spacing:.1em;
}
.nav-cta{
  margin-left:8px;
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;min-height:44px;
  border-radius:999px;
  font-size:14px;font-weight:600;color:#04161a;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:var(--glow);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{color:#04161a;filter:brightness(1.08);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--text-1);transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:26px}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:79;
  background:rgba(6,10,19,.98);
  padding:96px 24px 40px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  overflow-y:auto;
}
body.nav-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer a{
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:0 4px;
  border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;
}
.mobile-drawer a .num{font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);letter-spacing:.12em}
.mobile-drawer a.is-active{color:var(--brand)}
.mobile-drawer .drawer-cta{
  margin-top:28px;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04161a;font-weight:700;border:0;border-radius:999px;min-height:50px;
}
.mobile-drawer .drawer-note{margin-top:20px;font-size:13px;color:var(--text-3)}

/* ---------- hero band ---------- */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,10,19,.96) 0%,rgba(6,10,19,.82) 46%,rgba(6,10,19,.95) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:820px}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:var(--sp-5);
}
.breadcrumb-nav a{color:var(--text-3)}
.breadcrumb-nav a:hover{color:var(--brand)}
.breadcrumb-nav .sep{color:rgba(255,255,255,.24)}
.breadcrumb-nav [aria-current]{color:var(--text-2)}
.page-hero h1{margin-bottom:var(--sp-4)}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lede{font-size:17px;color:var(--text-2);max-width:64ch}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-5);
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(245,185,66,.32);
  background:var(--accent-soft);color:var(--accent);
}
.chip--brand{border-color:rgba(53,224,200,.32);background:var(--brand-soft);color:var(--brand)}
.chip--ghost{border-color:var(--line-strong);background:transparent;color:var(--text-2)}
.hero-progress{
  position:relative;z-index:2;
  margin-top:var(--sp-6);
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  max-width:720px;
}
.hero-progress .bar{height:6px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden}
.hero-progress .bar i{display:block;height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));box-shadow:0 0 14px rgba(53,224,200,.5);animation:fill 900ms ease-out both}
@keyframes fill{from{width:0}to{width:62%}}
.hero-progress .val{font-family:"Inter",sans-serif;font-size:13px;color:var(--text-3);white-space:nowrap}
.hero-progress .val b{color:var(--brand);font-weight:600}

/* ---------- cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.glass-card{
  background:var(--bg-glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:var(--shadow)}
.feature-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.feature-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-700)}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.feature-card:hover .thumb img{transform:scale(1.04)}
.feature-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.15) 0%,rgba(6,10,19,.55) 62%,rgba(6,10,19,.9) 100%);
}
.feature-card .thumb .tag{
  position:absolute;left:16px;top:16px;z-index:2;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 11px;border-radius:999px;
  background:rgba(6,10,19,.66);border:1px solid rgba(245,185,66,.42);color:var(--accent);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.feature-card .thumb .no{
  position:absolute;right:16px;bottom:12px;z-index:2;
  font-family:"Inter",sans-serif;font-size:26px;font-weight:700;
  color:rgba(255,255,255,.5);letter-spacing:.04em;
}
.feature-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{font-size:15px;margin-bottom:16px;color:var(--text-2)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow svg{transition:transform var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.mini-tag{
  font-size:11.5px;font-weight:500;color:var(--text-3);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.02)}
.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
.data-table thead th{
  text-align:left;font-weight:600;font-size:13px;letter-spacing:.08em;
  color:var(--text-3);padding:16px 20px;border-bottom:1px solid var(--line-strong);
  white-space:nowrap;background:rgba(255,255,255,.02);
}
.data-table td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:rgba(53,224,200,.04)}
.data-table td strong{color:var(--text-1);font-weight:600}

/* ---------- split 4:6 ---------- */
.split{display:grid;grid-template-columns:4fr 6fr;gap:48px;align-items:center}
.split .media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(53,224,200,.2);
  box-shadow:0 0 0 1px rgba(53,224,200,.1),0 30px 70px rgba(0,0,0,.5);
  aspect-ratio:4/3;background:var(--bg-700);
}
.split .media img{width:100%;height:100%;object-fit:cover}
.split .media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(6,10,19,.5),rgba(6,10,19,.15) 60%,rgba(6,10,19,.72));
}
.split .media .float-card{
  position:absolute;left:18px;bottom:18px;right:18px;z-index:2;
  background:rgba(11,17,32,.82);
  border:1px solid var(--line-strong);
  border-radius:14px;padding:14px 16px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.split .media .float-card span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.08em}
.split .media .float-card b{font-family:"Inter",sans-serif;font-size:16px;color:var(--brand);font-weight:600}
.check-list{list-style:none;padding:0;margin:0 0 var(--sp-5)}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;color:var(--text-2);font-size:15.5px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:50%;
  border:1px solid rgba(53,224,200,.6);
  background:radial-gradient(circle,var(--brand) 0 42%,transparent 46%);
}

/* ---------- timeline / steps ---------- */
.steps{position:relative;margin:0;padding:0;list-style:none}
.steps::before{
  content:"";position:absolute;left:15px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(53,224,200,.5),rgba(53,224,200,.06));
}
.steps li{position:relative;padding-left:56px;margin-bottom:32px}
.steps li:last-child{margin-bottom:0}
.steps .node{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  font-family:"Inter",sans-serif;font-size:12.5px;font-weight:700;
  color:var(--brand);background:rgba(11,17,32,.9);
  border:1px solid rgba(53,224,200,.42);
  box-shadow:0 0 0 4px rgba(53,224,200,.06);
}
.steps .node.is-done{color:#04161a;background:var(--brand);border-color:var(--brand);box-shadow:0 0 16px rgba(53,224,200,.45)}
.steps h4{margin-bottom:6px;font-size:17px}
.steps p{font-size:15px;margin:0;color:var(--text-2)}

/* ---------- progress axis ---------- */
.axis-wrap{padding:36px 28px;border-radius:var(--r-lg);background:var(--bg-800);border:1px solid var(--line)}
.axis{position:relative;height:6px;border-radius:999px;background:rgba(255,255,255,.10);margin:34px 0 10px}
.axis .done{position:absolute;left:0;top:0;bottom:0;width:58%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));box-shadow:0 0 16px rgba(53,224,200,.4)}
.axis .pt{
  position:absolute;top:50%;width:12px;height:12px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:var(--bg-900);border:1px solid var(--line-strong);
}
.axis .pt.on{background:var(--brand);border-color:var(--brand);box-shadow:0 0 12px rgba(53,224,200,.7)}
.axis .pt.now{width:14px;height:14px;background:transparent;border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.16)}
.axis-labels{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.axis-labels span{flex:1;text-align:center}
.axis-labels span:first-child{text-align:left}
.axis-labels span:last-child{text-align:right}
.axis-labels b{display:block;color:var(--text-2);font-weight:500;font-size:13px}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 4px;font-size:17px;font-weight:500;color:var(--text-1);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .ico{
  position:relative;flex:0 0 18px;width:18px;height:18px;
}
.faq-item summary .ico::before,
.faq-item summary .ico::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-item summary .ico::before{left:0;right:0;top:8px;height:2px}
.faq-item summary .ico::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] summary .ico::after{transform:rotate(90deg);opacity:0}
.faq-item[open] summary{color:var(--brand)}
.faq-body{padding:0 4px 24px;max-width:76ch}
.faq-body p{font-size:15px;color:var(--text-2);margin:0}

/* ---------- category pills ---------- */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px}
.cat-pills a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;min-height:44px;border-radius:999px;
  border:1px solid var(--line-strong);background:transparent;
  font-size:14px;color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease),transform var(--ease);
}
.cat-pills a:hover{border-color:rgba(53,224,200,.5);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.cat-pills a .idx{font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);letter-spacing:.1em}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  text-align:center;
  padding:80px 32px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 240px at 50% 0%,rgba(53,224,200,.12),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  pointer-events:none;
}
.cta-band h2{position:relative;z-index:2}
.cta-band p{position:relative;z-index:2;margin:0 auto var(--sp-5);max-width:56ch}
.btn-primary-custom{
  position:relative;z-index:2;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;min-height:52px;border-radius:999px;border:0;
  font-size:15.5px;font-weight:600;color:#04161a;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:var(--glow);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.btn-primary-custom:hover{color:#04161a;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 16px 44px rgba(53,224,200,.3)}
.btn-primary-custom:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;min-height:50px;border-radius:999px;
  border:1px solid var(--line-strong);background:transparent;
  font-size:15px;font-weight:600;color:var(--text-1);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{border-color:rgba(53,224,200,.6);color:var(--brand);transform:translateY(-2px)}
.cta-note{position:relative;z-index:2;font-size:13px;color:var(--text-3);margin:18px 0 0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-800);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-3);max-width:34ch;margin:0}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--text-3);margin-bottom:18px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:11px}
.footer-list a{font-size:14px;color:var(--text-2);transition:color var(--ease)}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.footer-meta{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- mobile sticky bar ---------- */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,19,.92);
  border-top:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.mobile-bar a{
  display:flex;align-items:center;justify-content:center;
  width:100%;min-height:48px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04161a;font-weight:700;font-size:15px;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:1080px}
  .split{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{gap:20px}
  .nav-link,.nav-more-btn{font-size:13.5px}
}
@media (max-width:991.98px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:block}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .split .media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero{padding:48px 0 44px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:56px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .feature-card .body{padding:20px}
  .cta-band{padding:56px 20px;border-radius:20px}
  .btn-primary-custom{width:100%}
  .sec-head{margin-bottom:32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .axis-labels{font-size:11.5px}
  .axis-labels b{font-size:11.5px}
  .mobile-bar{display:block}
  .site-footer{padding-bottom:96px}
  .hero-progress{grid-template-columns:1fr;gap:10px}
  .axis-wrap{padding:24px 18px}
  .faq-item summary{font-size:15.5px;padding:18px 2px;gap:16px}
}
@media (max-width:519.98px){
  .container{padding:0 18px}
  .page-hero h1{font-size:27px}
  .brand{font-size:15px}
  .brand-mark{width:28px;height:28px;font-size:13px}
  .cat-pills a{font-size:13px;padding:10px 14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg-900:#060A13;--bg-800:#0B1120;--bg-700:#121A2E;--bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;--text-2:#A7B6CC;--text-3:#6B7C94;
  --brand:#35E0C8;--brand-deep:#12A8A0;--brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;--accent-soft:rgba(245,185,66,.14);--danger:#FF6B7A;
  --r-lg:24px;--r-md:20px;--r-sm:14px;--r-pill:999px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.28),0 10px 32px rgba(53,224,200,.22);
  --nav-h:72px;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
  --bs-body-bg:var(--bg-900);--bs-body-color:var(--text-1);--bs-border-color:var(--line);
  --bs-link-color:var(--brand);--bs-link-hover-color:#7BF0E2;--bs-border-radius:var(--r-sm);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(53,224,200,.10),transparent 62%),
    radial-gradient(720px 420px at 92% 4%,rgba(245,185,66,.07),transparent 66%);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7BF0E2;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:.01em;line-height:1.28;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;font-family:"Inter",sans-serif;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;transition:height .22s ease,background .22s ease,backdrop-filter .22s ease,border-color .22s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:64px;background:rgba(6,10,19,.78);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:17px;letter-spacing:.02em;white-space:nowrap;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(245,185,66,.9),rgba(245,185,66,.55));
  color:#241a05;font-size:15px;font-weight:800;box-shadow:0 6px 18px rgba(245,185,66,.25);
}
.brand-sep{width:1px;height:16px;background:var(--line-strong);display:inline-block;}
.brand-aihp{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.14em;font-family:"Inter",sans-serif;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;color:var(--text-2);font-size:14.5px;font-weight:500;padding:6px 0;white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-more{position:relative;}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:6px 0;
  color:var(--text-2);font-size:14.5px;font-weight:500;cursor:pointer;transition:color .2s ease;
}
.nav-more-btn:hover,.nav-more.is-open .nav-more-btn{color:var(--brand);}
.nav-dropdown{
  position:absolute;top:calc(100% + 16px);right:0;min-width:250px;
  background:#0A101D;border:1px solid var(--line-strong);border-radius:16px;padding:10px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-more.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dropdown a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  color:var(--text-2);font-size:14px;transition:background .2s ease,color .2s ease;
}
.nav-dropdown a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-dropdown .idx{color:var(--accent);font-size:11px;font-family:"Inter",sans-serif;letter-spacing:.08em;}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04201d;
  box-shadow:var(--glow);transition:transform .2s ease,filter .2s ease;white-space:nowrap;
}
.header-cta:hover{color:#04201d;filter:brightness(1.08);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;background:none;border:0;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-1);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;inset:0;z-index:99;background:rgba(6,10,19,.98);
  padding:calc(var(--nav-h) + 24px) 24px 40px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer a.d-link{
  display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;min-height:56px;
}
.drawer a.d-link .d-idx{color:var(--accent);font-size:12px;font-family:"Inter",sans-serif;letter-spacing:.1em;min-width:24px;}
.drawer a.d-link.is-active{color:var(--brand);}
.drawer-cta{margin-top:28px;}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:calc(var(--nav-h) + 56px) 0 64px;overflow:hidden;}
.page-hero .hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.62) 0%,rgba(6,10,19,.86) 58%,var(--bg-900) 100%);
}
.crumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .cur{color:var(--text-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(245,185,66,.34);background:var(--accent-soft);color:var(--accent);
  font-size:12.5px;font-weight:500;letter-spacing:.04em;margin-bottom:20px;
}
.page-hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.18;max-width:14em;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{
  margin-top:20px;color:var(--text-2);font-size:16.5px;max-width:640px;line-height:1.9;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--bg-glass);border:1px solid var(--line);color:var(--text-2);font-size:12.5px;font-weight:500;
}
.badge-soft .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(53,224,200,.9);}
.badge-soft.gold .dot{background:var(--accent);box-shadow:0 0 10px rgba(245,185,66,.9);}
.hero-stat-row{display:flex;gap:40px;margin-top:36px;flex-wrap:wrap;}
.hero-stat .k{font-size:26px;font-weight:800;color:var(--text-1);font-family:"Inter",sans-serif;}
.hero-stat .v{font-size:13px;color:var(--text-3);margin-top:2px;}

/* ---------- section base ---------- */
.section{padding:var(--sp-7) 0;position:relative;}
.section.alt{background:var(--bg-800);}
.section-head{max-width:720px;margin-bottom:var(--sp-5);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;font-family:"Inter",sans-serif;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.24;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:66ch;}

/* ---------- split blocks (4:6 / 6:4) ---------- */
.split{
  display:grid;grid-template-columns:4fr 6fr;gap:var(--sp-5);align-items:center;
  padding:var(--sp-4) 0;border-top:1px solid var(--line);
}
.split.rev{grid-template-columns:6fr 4fr;}
.split:first-of-type{border-top:0;}
.split-media{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.01);transition:transform .4s ease;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.12) 0%,rgba(6,10,19,.62) 100%);
}
.split-media .media-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:12px;color:var(--accent);background:rgba(6,10,19,.72);
  border:1px solid rgba(245,185,66,.3);padding:5px 12px;border-radius:var(--r-pill);
}
.split:hover .split-media img{transform:scale(1.05);}
.split-body h3{font-size:22px;margin-bottom:12px;}
.split-body h3 .step-no{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-right:10px;
  border-radius:50%;border:1px solid rgba(245,185,66,.45);color:var(--accent);
  font-size:13px;font-family:"Inter",sans-serif;font-weight:600;vertical-align:middle;
}
.split-body p{color:var(--text-2);font-size:15.5px;line-height:1.92;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14.5px;line-height:1.8;
}
.check-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:var(--brand-soft);border:1px solid rgba(53,224,200,.4);position:relative;
}
.check-list li::after{
  content:"";position:absolute;margin-left:5px;margin-top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.check-list li{position:relative;padding-left:0;}

/* ---------- table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow-x:auto;
}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
table.spec thead th{
  text-align:left;padding:18px 20px;color:var(--text-3);font-size:12.5px;font-weight:600;
  letter-spacing:.1em;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top;
}
table.spec tbody tr:last-child td{border-bottom:0;}
table.spec tbody tr:hover td{background:rgba(53,224,200,.045);color:var(--text-1);}
table.spec td.strong{color:var(--text-1);font-weight:600;}
.pill-state{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);font-size:11.5px;font-weight:500;
}
.pill-state.ok{background:rgba(53,224,200,.14);color:var(--brand);border:1px solid rgba(53,224,200,.3);}
.pill-state.mid{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(245,185,66,.3);}
.pill-state.wait{background:rgba(255,255,255,.05);color:var(--text-3);border:1px solid var(--line);}

/* ---------- progress track ---------- */
.track-card{
  background:var(--bg-glass);border:1px solid var(--line);border-radius:var(--r-md);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:var(--sp-4);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.track-top{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-bottom:34px;}
.track-top h3{font-size:20px;}
.track-top .now{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);border:1px solid rgba(245,185,66,.32);color:var(--accent);
  font-size:12.5px;font-weight:500;
}
.progress-axis{position:relative;height:6px;border-radius:6px;background:rgba(255,255,255,.10);margin:0 6px 42px;}
.progress-axis .fill{
  position:absolute;left:0;top:0;height:6px;width:60%;border-radius:6px;
  background:linear-gradient(90deg,var(--brand-deep),var(--brand));
  box-shadow:0 0 18px rgba(53,224,200,.45);
  animation:fillIn .9s ease-out both;
}
@keyframes fillIn{from{width:0;}to{width:60%;}}
.axis-nodes{position:absolute;inset:0;}
.axis-nodes .node{
  position:absolute;top:50%;width:14px;height:14px;margin-left:-7px;transform:translateY(-50%);
  border-radius:50%;background:var(--bg-900);border:1px solid var(--line-strong);
}
.axis-nodes .node.done{background:var(--brand);border-color:var(--brand);box-shadow:0 0 14px rgba(53,224,200,.8);}
.axis-nodes .node.current{background:var(--bg-900);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.14);}
.axis-labels{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px;}
.axis-labels span{font-size:13px;color:var(--text-3);text-align:center;}
.axis-labels span.done{color:var(--text-2);}
.axis-labels span.current{color:var(--accent);font-weight:600;}
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;}
.stage-item{
  border:1px solid var(--line);border-radius:var(--r-sm);padding:18px;background:rgba(255,255,255,.02);
  transition:border-color .2s ease,transform .2s ease;
}
.stage-item:hover{border-color:rgba(53,224,200,.35);transform:translateY(-3px);}
.stage-item .s-k{font-size:12px;color:var(--text-3);letter-spacing:.08em;font-family:"Inter",sans-serif;}
.stage-item .s-v{font-size:15px;color:var(--text-1);margin-top:6px;font-weight:600;}
.stage-item .s-d{font-size:13.5px;color:var(--text-2);margin-top:6px;line-height:1.75;}

/* ---------- numbered index list ---------- */
.index-list{border-top:1px solid var(--line);}
.index-list li{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:24px 8px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .22s ease;
}
.index-list li:hover{background:rgba(255,255,255,.025);padding-left:16px;}
.index-list .no{font-family:"Inter",sans-serif;font-size:15px;color:var(--accent);letter-spacing:.08em;}
.index-list h4{font-size:17px;margin-bottom:5px;}
.index-list p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:500;white-space:nowrap;
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- dual column notes ---------- */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3);}
.note-card{
  background:var(--bg-glass);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-3);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.note-card:hover{border-color:rgba(53,224,200,.35);transform:translateY(-4px);box-shadow:var(--shadow);}
.note-card h3{font-size:18px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.note-card h3 .bar{width:3px;height:18px;border-radius:2px;background:var(--accent);display:inline-block;}
.note-card p{color:var(--text-2);font-size:14.5px;line-height:1.88;}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.mini-tag{
  font-size:12px;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--accent-soft);border:1px solid rgba(245,185,66,.28);color:var(--accent);
}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;color:var(--text-1);text-align:left;padding:22px 4px;
  font-size:17px;font-weight:500;cursor:pointer;line-height:1.6;min-height:44px;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{width:14px;height:1.6px;}
.faq-icon::after{width:1.6px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 4px 24px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:70ch;}

/* ---------- other categories ---------- */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-glass);color:var(--text-2);font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
  min-height:44px;
}
.cat-pill:hover{color:var(--brand);border-color:rgba(53,224,200,.4);transform:translateY(-2px);background:var(--brand-soft);}
.cat-pill .idx{color:var(--accent);font-size:11.5px;font-family:"Inter",sans-serif;letter-spacing:.08em;}
.cat-pill.is-current{border-color:rgba(245,185,66,.4);color:var(--accent);background:var(--accent-soft);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;padding:var(--sp-7) 0;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-800);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
.cta-inner{position:relative;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
.cta-inner p{color:var(--text-2);margin-top:16px;font-size:16px;line-height:1.9;}
.btn-primary-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 34px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04201d;
  box-shadow:var(--glow);transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
  min-height:48px;
}
.btn-primary-x:hover{color:#04201d;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 14px 40px rgba(53,224,200,.3);}
.btn-primary-x:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:var(--r-pill);font-size:15px;font-weight:500;
  border:1px solid var(--line-strong);color:var(--text-1);background:transparent;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;min-height:48px;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-900);padding:var(--sp-6) 0 28px;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-4);}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.85;margin-top:16px;max-width:34ch;}
.footer-title{
  font-size:13px;letter-spacing:.1em;color:var(--text-3);text-transform:uppercase;
  font-family:"Inter",sans-serif;font-weight:600;margin-bottom:16px;
}
.footer-list{display:grid;gap:11px;}
.footer-list a{color:var(--text-2);font-size:14px;transition:color .2s ease;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:var(--sp-5);padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:12.5px;
}
.footer-meta{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:98;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,19,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar a{
  display:flex;align-items:center;justify-content:center;width:100%;height:46px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04201d;font-weight:600;font-size:15px;
}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container{max-width:1080px;}
}
@media (max-width:1199px){
  .split,.split.rev{grid-template-columns:1fr 1fr;gap:var(--sp-4);}
  .stage-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--nav-h:64px;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .page-hero{padding:calc(var(--nav-h) + 40px) 0 52px;}
  .split,.split.rev{grid-template-columns:1fr;}
  .split.rev .split-media{order:-1;}
  .dual{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-4);}
  .axis-labels span{font-size:12px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .stage-grid{grid-template-columns:1fr;}
  .progress-axis{margin-bottom:64px;}
  .axis-labels{grid-template-columns:1fr;gap:14px;margin-top:0;}
  .axis-labels span{text-align:left;padding-left:2px;}
  .hero-stat-row{gap:26px;}
  .index-list li{grid-template-columns:44px 1fr;gap:14px;}
  .index-list li .text-link{grid-column:2;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-badges{gap:8px;}
  .mobile-bar{display:block;}
  body{padding-bottom:70px;}
  .cta-actions .btn-primary-x,.cta-actions .btn-ghost{width:100%;}
  table.spec{min-width:560px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --container:1180px;
  --ease:220ms ease;
  --bs-body-bg:#060A13;
  --bs-body-color:#EEF3FA;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:20px;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#12A8A0;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 480px at 82% -8%, rgba(53,224,200,.10), transparent 62%),
    radial-gradient(700px 420px at 6% 6%, rgba(245,185,66,.07), transparent 60%),
    var(--bg-900);
  color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:#6BF3DF;}
p{margin:0 0 16px;color:var(--text-2);}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:.01em;line-height:1.28;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;font-family:"Inter",sans-serif;}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:72px;
  display:flex;align-items:center;
  background:transparent;
  transition:height var(--ease),background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(6,10,19,.76);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;width:100%;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:var(--text-1);letter-spacing:.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:30px;height:30px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#06131A;
  background:linear-gradient(135deg,var(--accent),#E39A22);
  box-shadow:0 6px 18px rgba(245,185,66,.28);
}
.brand-sep{width:1px;height:16px;background:var(--line-strong);display:inline-block;}
.brand-aihp{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:28px;flex:1;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;line-height:1.4;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-more{position:relative;}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--text-2);cursor:pointer;
  transition:color var(--ease);
}
.nav-more-btn:hover,.nav-more.open .nav-more-btn{color:var(--text-1);}
.nav-more-btn svg{transition:transform var(--ease);}
.nav-more.open .nav-more-btn svg{transform:rotate(180deg);}
.nav-dropdown{
  position:absolute;top:calc(100% + 18px);right:0;
  min-width:250px;padding:10px;
  background:#0A1120;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-more.open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dropdown a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);line-height:1.5;
  transition:background var(--ease),color var(--ease);
}
.nav-dropdown a:hover{background:rgba(53,224,200,.08);color:var(--brand);}
.nav-dropdown .idx{font-family:"Inter",sans-serif;font-size:11px;font-weight:600;color:var(--accent);letter-spacing:.08em;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#05161A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(53,224,200,.28),0 10px 28px rgba(53,224,200,.22);
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#05161A;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 14px 34px rgba(53,224,200,.3);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.drawer-open .nav-toggle span{background:transparent;}
body.drawer-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.drawer-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* Mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:999;
  background:rgba(6,10,19,.98);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:8px 4px;
  border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;
}
.mobile-drawer a.drawer-link .idx{font-family:"Inter",sans-serif;font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.08em;}
.mobile-drawer a.drawer-link.is-active{color:var(--brand);}
.mobile-drawer .drawer-foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:14px;}
.mobile-drawer .drawer-foot .btn-main{width:100%;}
.drawer-note{font-size:13px;color:var(--text-3);margin:0;}

/* ===== Buttons ===== */
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:13px 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-main{
  color:#05161A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(53,224,200,.28),0 10px 32px rgba(53,224,200,.22);
}
.btn-main:hover{color:#05161A;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.42),0 16px 40px rgba(53,224,200,.3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  color:var(--text-1);background:transparent;border-color:var(--line-strong);
}
.btn-ghost:hover{color:var(--text-1);border-color:var(--brand);background:rgba(53,224,200,.06);transform:translateY(-2px);}
.btn-text{
  min-height:44px;padding:8px 0;border:0;background:none;
  color:var(--brand);font-size:15px;font-weight:600;
}
.btn-text .arrow{transition:transform var(--ease);}
.btn-text:hover{color:#6BF3DF;}
.btn-text:hover .arrow{transform:translateX(4px);}

/* ===== Pills / Badges ===== */
.pill-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(245,185,66,.32);
}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--text-2);
  background:var(--bg-glass);border:1px solid var(--line);
}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(53,224,200,.9);}
.badge-dot.accent{background:var(--accent);box-shadow:0 0 10px rgba(245,185,66,.85);}

/* ===== Page Banner ===== */
.page-banner{
  position:relative;
  margin-top:0;
  padding:150px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.jpg");
  background-size:cover;background-position:center;
  filter:saturate(.85);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.82) 0%,rgba(6,10,19,.72) 45%,rgba(6,10,19,.96) 100%);
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--text-3);}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav .sep{color:var(--line-strong);}
.breadcrumb-nav .current{color:var(--accent);}
.page-banner h1{
  font-size:clamp(32px,5vw,54px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.01em;
  max-width:18em;
  margin-bottom:20px;
}
.page-banner h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand),#8CF2E4 55%,var(--accent));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.banner-lead{max-width:720px;font-size:16.5px;color:var(--text-2);margin:0 0 26px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== Section rhythm ===== */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:linear-gradient(180deg,rgba(11,17,32,.9),rgba(6,10,19,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-bottom:14px;
}
.section-head p{margin:0;color:var(--text-2);font-size:16px;}

/* ===== Spec strip ===== */
.spec-strip{
  position:relative;z-index:3;
  margin-top:-44px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.spec-tile{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);border-radius:18px;
  padding:22px 20px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.spec-tile:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 44px rgba(0,0,0,.5);}
.spec-tile .label{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;margin-bottom:6px;}
.spec-tile .value{font-family:"Inter",sans-serif;font-size:26px;font-weight:700;color:var(--brand);letter-spacing:.01em;line-height:1.2;}
.spec-tile .value.accent{color:var(--accent);}
.spec-tile .hint{font-size:13px;color:var(--text-2);margin:8px 0 0;line-height:1.6;}

/* ===== Split blocks (4:6) ===== */
.split-list{display:flex;flex-direction:column;gap:0;}
.split-item{
  display:grid;grid-template-columns:4fr 6fr;gap:40px;align-items:center;
  padding:44px 0;
  border-top:1px solid var(--line);
}
.split-item:first-child{border-top:0;padding-top:0;}
.split-item:last-child{padding-bottom:0;}
.split-item.reverse .split-media{order:2;}
.split-media{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.9);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.18) 0%,rgba(6,10,19,.62) 100%);
}
.split-media .tag-float{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--text-1);
  background:rgba(6,10,19,.72);border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.split-body .step-no{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Inter",sans-serif;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--accent);margin-bottom:12px;
}
.split-body .step-no::after{content:"";width:36px;height:1px;background:rgba(245,185,66,.4);}
.split-body h3{font-size:23px;font-weight:700;margin-bottom:12px;}
.split-body p{margin:0 0 14px;font-size:16px;}
.plain-list{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.plain-list li{
  position:relative;padding-left:20px;
  font-size:15px;color:var(--text-2);line-height:1.75;
}
.plain-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--brand-soft);border:1px solid rgba(53,224,200,.55);
}

/* ===== Checklist ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--bg-glass);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.check-item:hover{border-color:rgba(53,224,200,.32);transform:translateY(-3px);background:rgba(255,255,255,.055);}
.check-item .tick{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#05161A;font-size:13px;font-weight:800;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  margin-top:3px;
}
.check-item strong{display:block;font-size:15.5px;color:var(--text-1);font-weight:600;margin-bottom:4px;}
.check-item span{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ===== Spec table ===== */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;background:rgba(255,255,255,.02);
}
.table-scroll{overflow-x:auto;}
table.spec-table{
  width:100%;min-width:660px;border-collapse:collapse;
  font-size:15px;
}
table.spec-table thead th{
  text-align:left;padding:16px 20px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--text-3);background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.spec-table tbody td{
  padding:16px 20px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.055);
  line-height:1.7;vertical-align:top;
}
table.spec-table tbody tr:last-child td{border-bottom:0;}
table.spec-table tbody tr:hover td{background:rgba(53,224,200,.04);}
table.spec-table tbody td:first-child{color:var(--text-1);font-weight:600;white-space:nowrap;}
table.spec-table tbody td .val{font-family:"Inter",sans-serif;color:var(--brand);font-weight:600;}

/* ===== Compare cards ===== */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.compare-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.compare-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 44px rgba(0,0,0,.45);}
.compare-card h3{font-size:17px;font-weight:700;margin-bottom:16px;}
.compare-row{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--line);font-size:14.5px;line-height:1.7;}
.compare-row:first-of-type{border-top:0;padding-top:0;}
.compare-row .k{
  flex:0 0 auto;font-size:11.5px;font-weight:600;letter-spacing:.06em;
  padding:2px 8px;border-radius:6px;height:fit-content;margin-top:4px;
}
.k-bad{color:var(--danger);background:rgba(255,107,122,.1);border:1px solid rgba(255,107,122,.28);}
.k-good{color:var(--brand);background:var(--brand-soft);border:1px solid rgba(53,224,200,.3);}
.compare-row p{margin:0;color:var(--text-2);}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-of-type{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:500;color:var(--text-1);
  transition:color var(--ease);
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 18px;width:18px;height:18px;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:background var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--brand);}
.faq-answer{padding:0 4px 24px;max-width:760px;}
.faq-answer p{margin:0 0 12px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-answer p:last-child{margin-bottom:0;}

/* ===== Category pills ===== */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:10px;
  min-height:44px;padding:10px 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);
  background:var(--bg-glass);border:1px solid var(--line);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.cat-pill:hover{color:var(--brand);border-color:rgba(53,224,200,.4);background:rgba(53,224,200,.07);transform:translateY(-2px);}
.cat-pill .n{font-family:"Inter",sans-serif;font-size:11px;font-weight:600;color:var(--accent);letter-spacing:.08em;}
.cat-pill.is-current{color:var(--brand);border-color:rgba(53,224,200,.45);background:rgba(53,224,200,.09);}

/* ===== CTA band ===== */
.cta-band{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:64px 40px;
  text-align:center;
  overflow:hidden;
  background:linear-gradient(160deg,rgba(18,26,46,.9),rgba(11,17,32,.6));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 72%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-bottom:14px;}
.cta-band p{max-width:620px;margin:0 auto 28px;color:var(--text-2);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-note{margin:20px 0 0;font-size:13px;color:var(--text-3);}

/* ===== Progress nod (visual language) ===== */
.nod-wrap{padding:28px 24px;border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(255,255,255,.03);}
.nod-track{position:relative;height:6px;border-radius:999px;background:rgba(255,255,255,.1);margin:26px 0 20px;}
.nod-fill{position:absolute;left:0;top:0;height:6px;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));box-shadow:0 0 14px rgba(53,224,200,.45);}
.nod-dot{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;transform:translate(-50%,-50%);}
.nod-dot.done{background:var(--brand);box-shadow:0 0 12px rgba(53,224,200,.85);}
.nod-dot.now{background:#0B1120;border:2px solid var(--accent);box-shadow:0 0 12px rgba(245,185,66,.7);}
.nod-dot.todo{background:#0B1120;border:1.5px solid rgba(255,255,255,.3);}
.nod-labels{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;}
.nod-labels span{font-size:13px;color:var(--text-3);text-align:center;}
.nod-labels span.on{color:var(--brand);font-weight:500;}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);padding:72px 0 32px;background:rgba(6,10,19,.7);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;margin:0;max-width:320px;}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--text-3);margin-bottom:18px;}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a{font-size:14.5px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--text-3);
}
.footer-meta{display:flex;gap:18px;flex-wrap:wrap;}
.footer-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ===== Responsive ===== */
@media (max-width:1399px){
  .container{max-width:1080px;}
}
@media (max-width:1199px){
  .main-nav{gap:20px;}
  .nav-link,.nav-more-btn{font-size:14px;}
  .split-item{gap:32px;}
}
@media (max-width:991px){
  .container{max-width:100%;}
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .page-banner{padding:130px 0 56px;}
  .spec-strip{grid-template-columns:repeat(2,1fr);margin-top:-32px;}
  .split-item{grid-template-columns:1fr;gap:22px;padding:36px 0;}
  .split-item.reverse .split-media{order:0;}
  .compare-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .section-head{margin-bottom:36px;}
  .cta-band{padding:48px 24px;}
  body{font-size:16px;}
}
@media (max-width:767px){
  .page-banner{padding:118px 0 48px;}
  .page-banner h1{font-size:clamp(28px,7.4vw,38px);}
  .banner-lead{font-size:15.5px;}
  .spec-strip{grid-template-columns:1fr;gap:14px;margin-top:-26px;}
  .spec-tile{padding:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .check-item{padding:16px;}
  .compare-card{padding:20px;}
  .nod-labels{grid-template-columns:repeat(5,1fr);}
  .nod-labels span{font-size:11px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .btn-main,.btn-ghost{width:100%;}
  .btn-text{width:auto;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:900;
    display:flex;align-items:center;gap:12px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(6,10,19,.92);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
  .sticky-cta .btn-main{flex:1;min-height:48px;padding:12px 18px;}
  .sticky-cta .label{font-size:12.5px;color:var(--text-3);white-space:nowrap;}
  body{padding-bottom:76px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:26px;height:26px;font-size:13px;border-radius:9px;}
  .split-body h3{font-size:20px;}
  .section-head h2{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --bg-glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(53,224,200,.28),0 10px 32px rgba(53,224,200,.22);
  --ease:220ms ease;
  --bs-body-bg:#060A13;
  --bs-body-color:#EEF3FA;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#7BF0E2;
  --bs-border-radius:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:#7BF0E2}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:transparent;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease),height var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,10,19,.78);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:17px;letter-spacing:.02em}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#07110F;
  background:linear-gradient(135deg,var(--accent),#FFD98A);
  box-shadow:0 0 0 1px rgba(245,185,66,.35);
}
.brand-sep{width:1px;height:16px;background:var(--line-strong);display:inline-block}
.brand-aihp{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:.18em;color:var(--brand);font-weight:600}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  color:var(--text-2);font-size:14.5px;font-weight:500;position:relative;
  padding:6px 2px;transition:color var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px}
.nav-more{position:relative}
.nav-more-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;color:var(--text-2);
  font-size:14.5px;font-weight:500;padding:6px 2px;cursor:pointer;transition:color var(--ease);
}
.nav-more-btn:hover{color:var(--text-1)}
.nav-dropdown{
  position:absolute;top:calc(100% + 14px);right:0;min-width:238px;
  background:#0B1120;border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-more.open .nav-dropdown,
.nav-more:hover .nav-dropdown,
.nav-more:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;color:var(--text-2);font-size:14px;
  transition:background var(--ease),color var(--ease);
}
.nav-dropdown a:hover{background:rgba(53,224,200,.08);color:var(--brand)}
.nav-dropdown .idx{font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);letter-spacing:.08em}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:12px;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;background:rgba(6,10,19,.98);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:96px 24px 40px;z-index:999;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer a.m-link{
  display:flex;align-items:center;gap:14px;
  min-height:56px;border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;
}
.mobile-drawer a.m-link .idx{font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);letter-spacing:.1em}
.mobile-drawer a.m-link.is-active{color:var(--brand)}
.mobile-drawer .m-cta{margin-top:28px;display:block}
.mobile-drawer .m-note{margin-top:22px;font-size:13px;color:var(--text-3)}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  text-align:center;
}
.btn-primary-x{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;
  box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{color:#04120F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 14px 38px rgba(53,224,200,.3)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{
  background:transparent;color:var(--text-1);border:1px solid var(--line-strong);
}
.btn-ghost-x:hover{color:var(--text-1);border-color:var(--brand);background:rgba(53,224,200,.06)}
.btn-sm-x{padding:10px 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-weight:600;font-size:14.5px;
}
.link-arrow svg{transition:transform var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;padding:150px 0 72px;
  background-image:linear-gradient(180deg,rgba(6,10,19,.72) 0%,rgba(6,10,19,.9) 62%,var(--bg-900) 100%),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb-x a{color:var(--text-2)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:var(--text-3)}
.breadcrumb-x .now{color:var(--accent)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(245,185,66,.4);background:var(--accent-soft);
  color:var(--accent);font-size:12px;font-weight:500;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,52px);line-height:1.2;letter-spacing:.01em;
  max-width:820px;margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{max-width:720px;color:var(--text-2);font-size:16.5px;line-height:1.9}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px}
.metric{min-width:132px}
.metric .num{font-family:"Inter",sans-serif;font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.metric .lbl{font-size:13px;color:var(--text-3);margin-top:4px}
.hero-progress{margin-top:36px;max-width:640px}
.progress-track{height:6px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden}
.progress-fill{height:100%;width:64%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));box-shadow:0 0 14px rgba(53,224,200,.5);animation:fillIn 900ms ease-out both}
@keyframes fillIn{from{width:0}to{width:64%}}
.progress-legend{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);margin-top:10px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--accent);font-weight:600;margin-bottom:14px;text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:15.5px;margin:0}

/* ---------- feature rows (4:6) ---------- */
.feature-row{display:grid;grid-template-columns:4fr 6fr;gap:48px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row.reverse{grid-template-columns:6fr 4fr}
.feature-row.reverse .feature-media{order:2}
.feature-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.18),rgba(6,10,19,.62))}
.feature-media .media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--accent);background:rgba(6,10,19,.72);
  border:1px solid rgba(245,185,66,.36);padding:6px 12px;border-radius:999px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.feature-body h3{font-size:23px;margin-bottom:8px;display:flex;align-items:baseline;gap:12px}
.feature-body h3 .no{
  font-family:"Inter",sans-serif;font-size:13px;font-weight:600;color:var(--accent);
  letter-spacing:.1em;border:1px solid rgba(245,185,66,.34);border-radius:999px;padding:2px 9px;
}
.feature-body p{color:var(--text-2);font-size:15.5px;margin-bottom:18px}
.check-list{display:grid;gap:10px;margin-bottom:22px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.75}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.pill-line{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
}
.pill.gold{background:var(--accent-soft);border-color:rgba(245,185,66,.34);color:var(--accent)}
.pill.brand{background:var(--brand-soft);border-color:rgba(53,224,200,.3);color:var(--brand)}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:16px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:var(--line-strong)}
.tl-item{position:relative;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-900);border:1px solid var(--line-strong);box-sizing:content-box;
}
.tl-item.done::before{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 4px rgba(53,224,200,.14),0 0 14px rgba(53,224,200,.6)}
.tl-item.current::before{background:transparent;border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.14)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:6px}
.tl-head h3{font-size:18px}
.tl-state{font-size:11.5px;padding:3px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--text-3)}
.tl-state.ok{color:var(--brand);border-color:rgba(53,224,200,.34);background:var(--brand-soft)}
.tl-state.now{color:var(--accent);border-color:rgba(245,185,66,.34);background:var(--accent-soft)}
.tl-item p{color:var(--text-2);font-size:15px;margin:0;max-width:760px}

/* ---------- cards / compare ---------- */
.card-x{
  background:var(--bg-glass);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  height:100%;
}
.card-x:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 44px rgba(0,0,0,.42)}
.card-x h3{font-size:18px;margin-bottom:8px}
.card-x p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-no{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:.12em;color:var(--accent)}
.card-list{display:grid;gap:8px}
.card-list li{font-size:14px;color:var(--text-2);padding-left:18px;position:relative}
.card-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1px;background:var(--brand)}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--bg-glass)}
table.spec-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
table.spec-table th,table.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec-table thead th{font-size:12.5px;letter-spacing:.1em;color:var(--text-3);font-weight:600;background:rgba(255,255,255,.03)}
table.spec-table tbody tr:last-child td{border-bottom:0}
table.spec-table td:first-child{color:var(--text-1);font-weight:500}
table.spec-table td{color:var(--text-2)}
table.spec-table tbody tr:hover{background:rgba(53,224,200,.04)}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;color:var(--text-1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:500;text-align:left;cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform var(--ease),background var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-icon::before{background:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease}
.faq-a p{font-size:15px;color:var(--text-2);padding:0 0 22px;margin:0;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:radial-gradient(60% 120% at 50% 0%,rgba(53,224,200,.10),transparent 70%),var(--bg-800);
  padding:88px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;opacity:.7;pointer-events:none;
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:640px;margin:0 auto 30px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- other categories ---------- */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--text-2);font-size:14px;background:rgba(255,255,255,.03);
  transition:all var(--ease);
}
.cat-pill:hover{color:var(--brand);border-color:rgba(53,224,200,.45);background:rgba(53,224,200,.08);transform:translateY(-2px)}
.cat-pill .idx{font-family:"Inter",sans-serif;font-size:11px;color:var(--accent);letter-spacing:.08em}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-900);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.85}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:16px}
.footer-list{display:grid;gap:10px}
.footer-list a{color:var(--text-2);font-size:14px}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);margin-top:48px;padding-top:22px;
  font-size:12.5px;color:var(--text-3);
}
.footer-meta{display:flex;flex-wrap:wrap;gap:18px}
.mobile-cta-bar{display:none}

/* ---------- responsive ---------- */
@media (min-width:1400px){
  .container{max-width:1180px}
}
@media (max-width:1199.98px){
  .container{max-width:1080px}
  .main-nav{gap:20px}
  .feature-row{gap:36px}
}
@media (max-width:991.98px){
  .main-nav,.header-actions .btn-x{display:none}
  .nav-toggle{display:flex}
  .page-hero{padding:130px 0 60px}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .feature-row.reverse .feature-media{order:0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
  .page-hero{padding:116px 0 52px}
  .hero-metrics{gap:22px;margin-top:26px}
  .metric .num{font-size:22px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .card-x{padding:20px}
  .feature-body h3{font-size:20px;flex-wrap:wrap;gap:8px}
  .cta-band{padding:64px 0}
  .cta-actions .btn-x{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  body{padding-bottom:76px}
  .mobile-cta-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1001;
    background:rgba(6,10,19,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .mobile-cta-bar .btn-x{width:100%;padding:13px 20px;font-size:15px}
  .timeline{padding-left:28px}
  .tl-item::before{left:-28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category6 */
:root{
  --bg-900:#060A13;
  --bg-800:#0B1120;
  --bg-700:#121A2E;
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#EEF3FA;
  --text-2:#A7B6CC;
  --text-3:#6B7C94;
  --brand:#35E0C8;
  --brand-deep:#12A8A0;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#F5B942;
  --accent-soft:rgba(245,185,66,.14);
  --danger:#FF6B7A;
  --r-xl:26px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.28),0 10px 32px rgba(53,224,200,.22);
  --t:220ms ease;
  --max:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t),opacity var(--t);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.24;letter-spacing:.01em;color:var(--text-1);}
p{margin:0;max-width:74ch;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand-soft);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  height:72px;
  display:flex;
  align-items:center;
  background:transparent;
  transition:background var(--t),height var(--t),box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(6,10,19,.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:.02em;
  color:var(--text-1);
  white-space:nowrap;
  min-height:44px;
}
.brand-mark{
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:15px;
  font-weight:800;
  color:#06121A;
  background:linear-gradient(135deg,#F7CB6A,#F5B942);
  box-shadow:0 6px 18px rgba(245,185,66,.28);
  flex:0 0 auto;
}
.brand-sep{width:1px;height:16px;background:var(--line-strong);}
.brand-aihp{
  font-family:"Inter",sans-serif;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--brand);
  font-weight:600;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}

.nav-more{position:relative;}
.nav-more-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:transparent;
  border:0;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  padding:6px 0;
  min-height:44px;
  cursor:pointer;
  transition:color var(--t);
}
.nav-more-btn:hover,.nav-more.is-open .nav-more-btn{color:var(--text-1);}
.nav-dropdown{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  min-width:262px;
  padding:10px;
  background:rgba(11,17,32,.96);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-more:hover .nav-dropdown,
.nav-more.is-open .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dropdown a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
}
.nav-dropdown a .idx{
  font-family:"Inter",sans-serif;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--accent);
  font-weight:600;
}
.nav-dropdown a:hover,.nav-dropdown a.is-active{background:var(--glass-2);color:var(--brand);}

.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 24px;
  min-height:44px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:#04201C;
  background:linear-gradient(135deg,#3FEBD1,#12A8A0);
  box-shadow:var(--glow);
  white-space:nowrap;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04201C;}
.nav-cta:active{transform:translateY(0);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  background:transparent;
  border:1px solid var(--line);
  border-radius:12px;
  cursor:pointer;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;
  background:var(--text-1);border-radius:2px;
  transition:transform var(--t),opacity var(--t),top var(--t);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg);}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:119;
  background:rgba(6,10,19,.98);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:96px 24px 40px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer nav{display:block;}
.mobile-drawer a.m-link{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:56px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--text-1);
  font-weight:500;
}
.mobile-drawer a.m-link .idx{
  font-family:"Inter",sans-serif;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--accent);
  font-weight:600;
}
.mobile-drawer a.m-link.is-active{color:var(--brand);}
.mobile-drawer .m-cta{
  margin-top:28px;
  display:flex;
  width:100%;
  padding:15px 24px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#3FEBD1,#12A8A0);
  color:#04201C;
  font-weight:700;
  justify-content:center;
  align-items:center;
  min-height:52px;
}
.mobile-drawer .m-note{
  margin-top:18px;
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.06em;
}

/* ===== Page hero ===== */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(6,10,19,.72),rgba(6,10,19,.94)),url("/assets/images/backpic/back-3.jpg");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:50%;top:-180px;
  width:760px;height:460px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(53,224,200,.16),transparent 72%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb-line a{color:var(--text-2);min-height:24px;display:inline-flex;align-items:center;}
.breadcrumb-line a:hover{color:var(--brand);}
.breadcrumb-line .sep{color:var(--text-3);}
.breadcrumb-line .current{color:var(--text-3);}

.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.05em;
  border-radius:var(--r-pill);
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(245,185,66,.32);
}
.tag-pill.brand{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:rgba(53,224,200,.3);
}

.hero-top{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;align-items:end;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.2;
  margin:18px 0 20px;
  letter-spacing:.005em;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#35E0C8,#F5B942);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{color:var(--text-2);font-size:16.5px;line-height:1.9;max-width:60ch;}
.hero-lead + .hero-lead{margin-top:10px;}

.hero-aside{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--r-lg);
  padding:22px 24px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-aside h2{font-size:14px;letter-spacing:.12em;color:var(--text-3);font-weight:600;margin-bottom:14px;}
.hero-aside .row-item{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  padding:9px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
}
.hero-aside .row-item:last-child{border-bottom:0;padding-bottom:0;}
.hero-aside .row-item b{
  font-family:"Inter",sans-serif;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.hero-aside .row-item.is-accent b{color:var(--accent);}

/* ===== Sections ===== */
.section{padding:96px 0;position:relative;}
.section.tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3.1vw,38px);
  line-height:1.28;
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:15.5px;}
.eyebrow{
  font-family:"Inter",sans-serif;
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--brand);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:12px;
  display:block;
}

/* ===== Masonry cards ===== */
.masonry{column-count:3;column-gap:24px;}
.pin-card{
  break-inside:avoid;
  margin-bottom:24px;
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--r-md);
  padding:0 0 22px;
  overflow:hidden;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.pin-card:hover{
  border-color:rgba(53,224,200,.35);
  transform:translateY(-4px);
  box-shadow:0 22px 48px rgba(0,0,0,.42);
}
.pin-figure{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-700);
}
.pin-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms ease;
}
.pin-card:hover .pin-figure img{transform:scale(1.04);}
.pin-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,19,.18),rgba(6,10,19,.72));
}
.pin-figure .pin-idx{
  position:absolute;
  left:14px;bottom:12px;
  z-index:2;
  font-family:"Inter",sans-serif;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--accent);
  font-weight:600;
  border:1px solid rgba(245,185,66,.4);
  background:rgba(6,10,19,.55);
  border-radius:var(--r-pill);
  padding:3px 10px;
}
.pin-body{padding:18px 22px 0;}
.pin-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.pin-card:hover .pin-body h3{color:var(--brand);}
.pin-body p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.pin-body .pin-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand);
  min-height:36px;
}
.pin-body .pin-link svg{transition:transform var(--t);}
.pin-body .pin-link:hover svg{transform:translateX(4px);}

/* ===== Compare split ===== */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-card{
  border:1px solid var(--line);
  background:var(--bg-800);
  border-radius:var(--r-lg);
  padding:30px 28px;
  transition:border-color var(--t),transform var(--t);
}
.compare-card:hover{border-color:rgba(53,224,200,.35);transform:translateY(-3px);}
.compare-card.alt{background:linear-gradient(180deg,rgba(245,185,66,.07),rgba(11,17,32,.9));border-color:rgba(245,185,66,.22);}
.compare-card .c-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.compare-card .c-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(53,224,200,.12);
  flex:0 0 auto;
}
.compare-card.alt .c-dot{background:var(--accent);box-shadow:0 0 0 4px rgba(245,185,66,.14);}
.compare-card h3{font-size:21px;}
.compare-card .c-sub{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.compare-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
}
.compare-list li:last-child{border-bottom:0;}
.compare-list li .mk{
  font-family:"Inter",sans-serif;
  font-size:12px;
  color:var(--brand);
  font-weight:700;
  padding-top:3px;
  flex:0 0 auto;
}
.compare-card.alt .compare-list li .mk{color:var(--accent);}

/* ===== Progress rail ===== */
.rail-wrap{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(53,224,200,.05),rgba(11,17,32,.65));
  border-radius:var(--r-xl);
  padding:38px 36px 34px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.rail{
  position:relative;
  height:6px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  margin:44px 0 8px;
}
.rail-fill{
  position:absolute;
  inset:0 auto 0 0;
  width:62%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,#12A8A0,#35E0C8);
  box-shadow:0 0 16px rgba(53,224,200,.45);
  animation:railGrow 900ms ease-out both;
}
@keyframes railGrow{from{width:0;}to{width:62%;}}
.rail-nodes{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:8px;
  margin-top:-24px;
}
.rail-node{text-align:center;position:relative;}
.rail-node .dot{
  width:14px;height:14px;
  border-radius:50%;
  margin:0 auto 14px;
  border:1px solid var(--line-strong);
  background:var(--bg-900);
}
.rail-node.done .dot{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 5px rgba(53,224,200,.14);}
.rail-node.current .dot{background:var(--bg-900);border:2px solid var(--accent);box-shadow:0 0 0 5px rgba(245,185,66,.14);}
.rail-node .n-label{
  font-size:13px;
  color:var(--text-3);
  line-height:1.6;
}
.rail-node.done .n-label{color:var(--text-1);font-weight:500;}
.rail-node.current .n-label{color:var(--accent);font-weight:600;}
.rail-node .n-state{
  display:block;
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--text-3);
  margin-top:2px;
}
.rail-node.done .n-state{color:var(--brand);}
.rail-node.current .n-state{color:var(--accent);}
.rail-current{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  border:1px solid rgba(245,185,66,.26);
  background:rgba(245,185,66,.07);
  border-radius:var(--r-md);
  padding:16px 20px;
}
.rail-current .k{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--accent);
  font-weight:600;
}
.rail-current .v{font-size:15px;color:var(--text-1);font-weight:500;}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:500;
  color:var(--text-1);
  cursor:pointer;
  min-height:44px;
  transition:color var(--t);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex:0 0 auto;
  transition:transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity var(--t);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms ease;
}
.faq-a-inner{
  padding:0 0 24px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
  max-width:72ch;
}

/* ===== Other categories pills ===== */
.cat-pills{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:8px;
}
.cat-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  min-height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--glass);
  font-size:14px;
  color:var(--text-2);
  transition:border-color var(--t),color var(--t),transform var(--t),background var(--t);
}
.cat-pill .num{
  font-family:"Inter",sans-serif;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--accent);
  font-weight:600;
}
.cat-pill:hover{
  border-color:rgba(53,224,200,.4);
  color:var(--brand);
  transform:translateY(-2px);
  background:var(--glass-2);
}
.cat-pill.is-current{
  border-color:rgba(53,224,200,.45);
  color:var(--brand);
  background:var(--brand-soft);
  cursor:default;
}
.cat-pill.is-current:hover{transform:none;}

/* ===== CTA band ===== */
.cta-band{
  position:relative;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:84px 0;
  text-align:center;
  overflow:hidden;
  background:var(--bg-800);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(closest-side at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(closest-side at 50% 50%,#000,transparent);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(24px,3.3vw,38px);margin-bottom:16px;}
.cta-band p{color:var(--text-2);font-size:15.5px;margin:0 auto 30px;max-width:60ch;}
.btn-primary-lc{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 34px;
  min-height:52px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  color:#04201C;
  background:linear-gradient(135deg,#3FEBD1,#12A8A0);
  box-shadow:var(--glow);
  border:0;
}
.btn-primary-lc:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04201C;}
.btn-primary-lc:active{transform:translateY(0);}
.btn-ghost-lc{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  min-height:50px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-1);
  border:1px solid var(--line-strong);
  background:transparent;
}
.btn-ghost-lc:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-900);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-desc{
  margin-top:16px;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.9;
  max-width:32ch;
}
.footer-title{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--text-2);
  font-weight:600;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:2px;}
.footer-list a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  font-size:14px;
  color:var(--text-3);
}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-meta{display:flex;flex-wrap:wrap;gap:18px;}
.footer-meta span{position:relative;padding-left:14px;}
.footer-meta span::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:5px;height:5px;border-radius:50%;
  background:var(--brand);
  transform:translateY(-50%);
  opacity:.7;
}

/* ===== Mobile sticky bar ===== */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:110;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,19,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
}
.mobile-bar a{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  min-height:46px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#3FEBD1,#12A8A0);
  color:#04201C;
  font-weight:700;
  font-size:15px;
}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .container,.header-inner{max-width:1080px;}
  .main-nav{gap:22px;}
  .hero-top{gap:40px;}
}
@media (max-width:991px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .site-header{background:rgba(6,10,19,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);}
  .section{padding:72px 0;}
  .page-hero{padding:126px 0 62px;}
  .hero-top{grid-template-columns:minmax(0,1fr);gap:32px;align-items:start;}
  .masonry{column-count:2;}
  .compare-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .rail-nodes{grid-template-columns:repeat(5,1fr);}
  .rail-node .n-label{font-size:12px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{padding:112px 0 52px;}
  .hero-aside{padding:20px;}
  .masonry{column-count:1;}
  .pin-body{padding:16px 20px 0;}
  .rail-wrap{padding:26px 20px 24px;}
  .rail-nodes{grid-template-columns:1fr;gap:0;margin-top:8px;}
  .rail{display:none;}
  .rail-node{
    display:flex;
    align-items:center;
    gap:14px;
    text-align:left;
    padding:12px 0;
    border-bottom:1px solid var(--line);
  }
  .rail-node:last-child{border-bottom:0;}
  .rail-node .dot{margin:0;flex:0 0 auto;}
  .rail-node .n-label{font-size:14px;}
  .rail-node .n-state{margin-top:0;font-size:11.5px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-bar{display:block;}
  body{padding-bottom:76px;}
  .cta-band{padding:60px 0;}
  .faq-q{font-size:16px;}
  .cat-pill{width:100%;justify-content:flex-start;}
}
@media (max-width:520px){
  .container,.header-inner{padding-left:18px;padding-right:18px;}
  .brand{font-size:15.5px;}
  .brand-aihp{font-size:11px;}
  .hero-lead{font-size:15.5px;}
  .cta-actions .btn-primary-lc,.cta-actions .btn-ghost-lc{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category7 */
:root{
    --bg-900:#060A13;
    --bg-800:#0B1120;
    --bg-700:#121A2E;
    --glass:rgba(255,255,255,.04);
    --glass-strong:rgba(255,255,255,.06);
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --text-1:#EEF3FA;
    --text-2:#A7B6CC;
    --text-3:#6B7C94;
    --brand:#35E0C8;
    --brand-deep:#12A8A0;
    --brand-soft:rgba(53,224,200,.12);
    --accent:#F5B942;
    --accent-soft:rgba(245,185,66,.14);
    --danger:#FF6B7A;
    --r-card:20px;
    --r-lg:24px;
    --r-sm:14px;
    --r-img:16px;
    --shadow:0 24px 60px rgba(0,0,0,.45);
    --glow:0 0 0 1px rgba(53,224,200,.28), 0 10px 32px rgba(53,224,200,.22);
    --ease:220ms ease;
    --nav-h:72px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg-900);
    color:var(--text-1);
    font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
  a:hover{color:var(--text-1);}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em;}
  p{margin:0 0 16px;}
  p:last-child{margin-bottom:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
  .num{font-family:"Inter",sans-serif;font-variant-numeric:tabular-nums;}

  .container{
    width:100%;
    max-width:1180px;
    margin:0 auto;
    padding:0 24px;
  }

  /* ============ Header / Nav ============ */
  .site-header{
    position:fixed;
    inset:0 0 auto 0;
    z-index:900;
    background:transparent;
    transition:background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
    border-bottom:1px solid transparent;
  }
  .site-header.is-scrolled{
    background:rgba(6,10,19,.78);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:var(--nav-h);
    transition:height var(--ease);
  }
  .site-header.is-scrolled .header-inner{height:64px;}

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-1);
    font-weight:800;
    font-size:17px;
    letter-spacing:.02em;
    white-space:nowrap;
  }
  .brand:hover{color:var(--text-1);}
  .brand-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:32px;height:32px;
    border-radius:11px;
    background:linear-gradient(135deg,var(--accent),#c98f1f);
    color:#1A1206;
    font-size:15px;
    font-weight:800;
    box-shadow:0 6px 18px rgba(245,185,66,.25);
  }
  .brand-sep{
    width:1px;height:16px;
    background:var(--line-strong);
    display:inline-block;
  }
  .brand-aihp{color:var(--brand);font-size:14px;letter-spacing:.14em;font-weight:700;}

  .main-nav{
    display:flex;
    align-items:center;
    gap:28px;
    flex:1 1 auto;
    justify-content:flex-end;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:44px;
    color:var(--text-2);
    font-size:15px;
    font-weight:500;
    white-space:nowrap;
    transition:color var(--ease);
  }
  .nav-link:hover{color:var(--text-1);}
  .nav-link.is-active{color:var(--brand);}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 12px rgba(53,224,200,.5);
  }

  .nav-more{position:relative;}
  .nav-more-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:44px;
    padding:0;
    background:none;
    border:0;
    color:var(--text-2);
    font-size:15px;
    font-weight:500;
    cursor:pointer;
    transition:color var(--ease);
    position:relative;
  }
  .nav-more-btn:hover{color:var(--text-1);}
  .nav-more-btn.is-active{color:var(--brand);}
  .nav-more-btn.is-active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 12px rgba(53,224,200,.5);
  }
  .nav-more-btn svg{transition:transform var(--ease);}
  .nav-more.is-open .nav-more-btn svg{transform:rotate(180deg);}
  .nav-dropdown{
    position:absolute;
    top:calc(100% + 14px);
    right:0;
    min-width:250px;
    padding:10px;
    background:#0A1020;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow);
    display:none;
    z-index:20;
  }
  .nav-more.is-open .nav-dropdown{display:block;}
  .nav-dropdown a{
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 14px;
    border-radius:11px;
    color:var(--text-2);
    font-size:14.5px;
    font-weight:500;
    transition:background var(--ease),color var(--ease);
  }
  .nav-dropdown a:hover{background:rgba(255,255,255,.05);color:var(--brand);}
  .nav-dropdown a.is-active{color:var(--brand);background:var(--brand-soft);}
  .nav-dropdown .idx{
    font-family:"Inter",sans-serif;
    font-size:11.5px;
    color:var(--accent);
    letter-spacing:.06em;
    font-variant-numeric:tabular-nums;
  }

  .nav-cta{display:inline-flex;align-items:center;gap:8px;}

  .nav-toggle{
    display:none;
    width:44px;height:44px;
    align-items:center;
    justify-content:center;
    background:transparent;
    border:1px solid var(--line);
    border-radius:12px;
    cursor:pointer;
    padding:0;
  }
  .nav-toggle span{
    display:block;
    width:18px;height:2px;
    background:var(--text-1);
    border-radius:2px;
    position:relative;
    transition:transform var(--ease),background var(--ease);
  }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;height:2px;
    background:var(--text-1);
    border-radius:2px;
    transition:transform var(--ease),opacity var(--ease);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle.is-open span{background:transparent;}
  .nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

  .mobile-drawer{
    position:fixed;
    inset:var(--nav-h) 0 0 0;
    background:rgba(6,10,19,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    z-index:880;
    display:none;
    overflow-y:auto;
    padding:8px 24px 40px;
  }
  .mobile-drawer.is-open{display:block;}
  .drawer-link{
    display:flex;
    align-items:center;
    gap:14px;
    min-height:56px;
    border-bottom:1px solid var(--line);
    color:var(--text-1);
    font-size:16px;
    font-weight:500;
  }
  .drawer-link .idx{
    font-family:"Inter",sans-serif;
    font-size:12px;
    color:var(--accent);
    letter-spacing:.08em;
    font-variant-numeric:tabular-nums;
    min-width:22px;
  }
  .drawer-link.is-active{color:var(--brand);}
  .drawer-foot{padding-top:24px;display:flex;flex-direction:column;gap:14px;}
  .drawer-foot .drawer-note{font-size:13px;color:var(--text-3);}

  /* ============ Buttons ============ */
  .btn-main{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:13px 28px;
    border:0;
    border-radius:999px;
    background:linear-gradient(135deg,#35E0C8,#12A8A0);
    color:#04211E;
    font-size:15px;
    font-weight:700;
    letter-spacing:.02em;
    cursor:pointer;
    box-shadow:var(--glow);
    transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
  }
  .btn-main:hover{color:#04211E;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.4),0 14px 38px rgba(53,224,200,.3);}
  .btn-main:active{transform:translateY(1px);}
  .btn-main.sm{min-height:42px;padding:9px 22px;font-size:14px;}

  .btn-line{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:13px 26px;
    border:1px solid var(--line-strong);
    border-radius:999px;
    background:transparent;
    color:var(--text-1);
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:border-color var(--ease),color var(--ease),transform var(--ease);
  }
  .btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

  .link-more{
    display:inline-flex;
    align-items:center;
    gap:7px;
    color:var(--brand);
    font-size:14.5px;
    font-weight:600;
  }
  .link-more svg{transition:transform var(--ease);}
  .link-more:hover{color:var(--brand);}
  .link-more:hover svg{transform:translateX(4px);}

  /* ============ Page hero ============ */
  .page-hero{
    position:relative;
    padding:150px 0 64px;
    background:
      linear-gradient(180deg,rgba(6,10,19,.72) 0%,rgba(6,10,19,.92) 62%,var(--bg-900) 100%),
      url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    right:-140px;top:-120px;
    width:420px;height:420px;
    background:radial-gradient(circle,rgba(53,224,200,.16),transparent 68%);
    pointer-events:none;
  }
  .crumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:26px;
  }
  .crumb a{color:var(--text-2);}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:var(--text-3);opacity:.7;}
  .crumb .current{color:var(--text-2);}

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:5px 14px;
    border:1px solid rgba(245,185,66,.34);
    border-radius:999px;
    background:var(--accent-soft);
    color:var(--accent);
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.06em;
  }
  .page-hero h1{
    font-size:clamp(32px,4.6vw,54px);
    margin:20px 0 0;
    line-height:1.18;
    max-width:16em;
  }
  .page-hero h1 em{
    font-style:normal;
    color:var(--brand);
    display:block;
  }
  .hero-lede{
    margin-top:20px;
    max-width:640px;
    color:var(--text-2);
    font-size:16.5px;
    line-height:1.9;
  }
  .hero-meta-row{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:28px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 14px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--glass);
    color:var(--text-2);
    font-size:13px;
    font-weight:500;
    white-space:nowrap;
  }
  .chip .dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 10px rgba(53,224,200,.8);
  }
  .chip.gold{border-color:rgba(245,185,66,.3);background:var(--accent-soft);color:var(--accent);}

  /* ============ Section shell ============ */
  .section{padding:88px 0;}
  .section.tight{padding:64px 0;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:40px;
    flex-wrap:wrap;
  }
  .section-head h2{font-size:clamp(24px,3vw,36px);}
  .section-kicker{
    display:block;
    color:var(--accent);
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.16em;
    text-transform:uppercase;
    margin-bottom:12px;
    font-family:"Inter",sans-serif;
  }
  .section-sub{color:var(--text-2);font-size:15.5px;max-width:56ch;margin-top:12px;}

  /* ============ Progress track ============ */
  .track-panel{
    border:1px solid var(--line);
    background:var(--glass);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-radius:var(--r-card);
    padding:28px;
    display:grid;
    grid-template-columns:minmax(0,1fr) 280px;
    gap:32px;
    align-items:center;
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
  }
  .track-title{font-size:14px;color:var(--text-2);font-weight:500;margin-bottom:26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
  .track-title strong{color:var(--text-1);font-weight:700;}
  .track-rail{
    position:relative;
    height:6px;
    border-radius:999px;
    background:rgba(255,255,255,.10);
    margin:0 6px;
  }
  .track-fill{
    position:absolute;inset:0 auto 0 0;
    width:42%;
    border-radius:999px;
    background:linear-gradient(90deg,#12A8A0,#35E0C8);
    box-shadow:0 0 16px rgba(53,224,200,.45);
  }
  .track-nodes{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    margin-top:18px;
    gap:8px;
  }
  .track-node{font-size:12.5px;color:var(--text-3);text-align:center;line-height:1.5;}
  .track-node .pin{
    display:block;
    width:12px;height:12px;
    border-radius:50%;
    margin:0 auto 10px;
    border:1px solid var(--line-strong);
    background:transparent;
  }
  .track-node.done .pin{background:var(--brand);border-color:var(--brand);box-shadow:0 0 12px rgba(53,224,200,.7);}
  .track-node.done{color:var(--text-2);}
  .track-node.now .pin{border:2px solid var(--accent);box-shadow:0 0 12px rgba(245,185,66,.5);}
  .track-node.now{color:var(--accent);}

  .stage-card{
    border:1px solid rgba(53,224,200,.28);
    background:linear-gradient(160deg,rgba(53,224,200,.10),rgba(255,255,255,.03));
    border-radius:18px;
    padding:22px;
  }
  .stage-card .label{font-size:12px;letter-spacing:.14em;color:var(--brand);font-weight:600;font-family:"Inter",sans-serif;}
  .stage-card h3{font-size:19px;margin:10px 0 8px;}
  .stage-card p{font-size:14px;color:var(--text-2);line-height:1.75;}

  /* ============ Index list (variant G) ============ */
  .index-list{border-top:1px solid var(--line);}
  .index-item{
    display:grid;
    grid-template-columns:96px minmax(0,1fr) 260px;
    gap:32px;
    align-items:center;
    padding:32px 0;
    border-bottom:1px solid var(--line);
    transition:background var(--ease),border-color var(--ease);
  }
  .index-item:hover{border-bottom-color:rgba(53,224,200,.35);}
  .idx-num{
    font-family:"Inter",sans-serif;
    font-size:38px;
    font-weight:700;
    letter-spacing:-.02em;
    color:transparent;
    -webkit-text-stroke:1px rgba(245,185,66,.55);
    line-height:1;
    font-variant-numeric:tabular-nums;
  }
  .index-item:hover .idx-num{
    color:var(--accent);
    -webkit-text-stroke:0;
    text-shadow:0 0 22px rgba(245,185,66,.35);
  }
  .item-body h3{font-size:21px;margin-bottom:10px;}
  .item-body h3 a{color:var(--text-1);}
  .item-body h3 a:hover{color:var(--brand);}
  .item-body p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:60ch;margin-bottom:14px;}
  .item-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
  .pill{
    display:inline-flex;
    align-items:center;
    padding:4px 10px;
    border-radius:999px;
    font-size:12px;
    font-weight:500;
    color:var(--accent);
    background:var(--accent-soft);
    border:1px solid rgba(245,185,66,.28);
    white-space:nowrap;
  }
  .pill.teal{color:var(--brand);background:var(--brand-soft);border-color:rgba(53,224,200,.3);}
  .pill.muted{color:var(--text-2);background:var(--glass);border-color:var(--line);}

  .thumb{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    aspect-ratio:16/9;
    background:var(--bg-700);
    border:1px solid var(--line);
  }
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
  .index-item:hover .thumb img{transform:scale(1.04);}
  .thumb::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(6,10,19,.15),rgba(6,10,19,.62));
  }
  .thumb .thumb-tag{
    position:absolute;
    left:12px;bottom:12px;
    z-index:2;
    font-size:11.5px;
    letter-spacing:.06em;
    color:var(--text-1);
    background:rgba(6,10,19,.62);
    border:1px solid var(--line-strong);
    border-radius:999px;
    padding:4px 10px;
    backdrop-filter:blur(8px);
  }

  /* ============ Two column detail ============ */
  .split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
  .panel{
    border:1px solid var(--line);
    background:var(--glass);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-radius:var(--r-card);
    padding:30px;
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
    transition:border-color var(--ease),transform var(--ease);
  }
  .panel:hover{border-color:rgba(53,224,200,.35);transform:translateY(-3px);}
  .panel h3{font-size:20px;margin-bottom:14px;}
  .panel .lead{color:var(--text-2);font-size:15px;margin-bottom:22px;}

  .code-list{display:flex;flex-direction:column;gap:10px;}
  .code-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:12px 14px;
    border-radius:12px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--line);
    font-size:13.5px;
  }
  .code-row code{
    font-family:"Inter",ui-monospace,monospace;
    color:var(--brand);
    font-size:13.5px;
    letter-spacing:.01em;
  }
  .code-row span{color:var(--text-3);font-size:12.5px;white-space:nowrap;}

  .rule-list{display:flex;flex-direction:column;gap:16px;}
  .rule-list li{
    display:grid;
    grid-template-columns:auto 1fr;
    gap:12px;
    font-size:14.5px;
    color:var(--text-2);
    line-height:1.8;
  }
  .rule-list .mark{
    width:22px;height:22px;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--brand-soft);
    border:1px solid rgba(53,224,200,.3);
    color:var(--brand);
    font-size:11px;
    font-weight:700;
    margin-top:4px;
    font-family:"Inter",sans-serif;
  }
  .rule-list b{color:var(--text-1);font-weight:600;}

  /* ============ FAQ ============ */
  .faq{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:24px 4px;
    font-size:17px;
    font-weight:600;
    color:var(--text-1);
    transition:color var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 auto;
    position:relative;
    width:18px;height:18px;
    border-radius:50%;
    border:1px solid var(--line-strong);
    transition:transform var(--ease),border-color var(--ease);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--text-2);
    border-radius:2px;
    transition:background var(--ease),opacity var(--ease);
  }
  .faq-icon::before{left:4px;right:4px;top:8px;height:1.5px;}
  .faq-icon::after{top:4px;bottom:4px;left:8px;width:1.5px;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand);}
  .faq-item[open] .faq-icon::before,
  .faq-item[open] .faq-icon::after{background:var(--brand);}
  .faq-body{padding:0 4px 26px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:76ch;}

  /* ============ Other categories ============ */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
  .tag-cloud a{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:44px;
    padding:10px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--glass);
    color:var(--text-2);
    font-size:14px;
    font-weight:500;
    transition:border-color var(--ease),color var(--ease),background var(--ease),transform var(--ease);
  }
  .tag-cloud a:hover{
    border-color:rgba(53,224,200,.45);
    color:var(--brand);
    background:var(--brand-soft);
    transform:translateY(-2px);
  }
  .tag-cloud .n{
    font-family:"Inter",sans-serif;
    font-size:11.5px;
    color:var(--accent);
    letter-spacing:.08em;
  }

  /* ============ CTA ============ */
  .cta-panel{
    position:relative;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:56px 40px;
    text-align:center;
    background:
      radial-gradient(circle at 20% 20%,rgba(53,224,200,.12),transparent 55%),
      radial-gradient(circle at 82% 78%,rgba(245,185,66,.10),transparent 55%),
      var(--bg-800);
    overflow:hidden;
  }
  .cta-panel::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:52px 52px;
    mask-image:radial-gradient(circle at center,rgba(0,0,0,.9),transparent 78%);
    -webkit-mask-image:radial-gradient(circle at center,rgba(0,0,0,.9),transparent 78%);
    pointer-events:none;
  }
  .cta-panel > *{position:relative;z-index:1;}
  .cta-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
  .cta-panel p{color:var(--text-2);font-size:15.5px;max-width:52ch;margin:0 auto 30px;}

  /* ============ Footer ============ */
  .site-footer{
    border-top:1px solid var(--line);
    background:var(--bg-800);
    padding:64px 0 28px;
    margin-top:24px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:32px;
    padding-bottom:44px;
    border-bottom:1px solid var(--line);
  }
  .footer-desc{color:var(--text-3);font-size:14px;line-height:1.85;margin-top:16px;max-width:34ch;}
  .footer-title{
    font-size:12.5px;
    letter-spacing:.14em;
    color:var(--text-3);
    font-weight:600;
    text-transform:uppercase;
    margin-bottom:18px;
    font-family:"Inter",sans-serif;
  }
  .footer-list{display:flex;flex-direction:column;gap:12px;}
  .footer-list a{color:var(--text-2);font-size:14.5px;transition:color var(--ease);}
  .footer-list a:hover{color:var(--brand);}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding-top:24px;
    color:var(--text-3);
    font-size:12.5px;
  }
  .footer-meta{display:flex;gap:20px;flex-wrap:wrap;}

  /* ============ Mobile bottom bar ============ */
  .mobile-bar{
    display:none;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:860;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(6,10,19,.92);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn-main{width:100%;}

  /* ============ Responsive ============ */
  @media (max-width:1399px){
    .container{max-width:1080px;}
  }
  @media (max-width:1199px){
    .main-nav{gap:20px;}
    .nav-link,.nav-more-btn{font-size:14.5px;}
    .index-item{grid-template-columns:76px minmax(0,1fr) 220px;gap:24px;}
    .idx-num{font-size:32px;}
  }
  @media (max-width:991px){
    .main-nav{display:none;}
    .nav-cta{display:none;}
    .nav-toggle{display:inline-flex;}
    .mobile-drawer{top:var(--nav-h);}
    .page-hero{padding:126px 0 56px;}
    .section{padding:72px 0;}
    .track-panel{grid-template-columns:1fr;gap:24px;}
    .split{grid-template-columns:1fr;}
    .index-item{grid-template-columns:60px minmax(0,1fr);gap:20px;}
    .index-item .item-media{grid-column:1 / -1;max-width:420px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cta-panel{padding:44px 26px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .page-hero{padding:112px 0 48px;}
    .section{padding:56px 0;}
    .section-head{margin-bottom:28px;}
    .index-item{padding:26px 0;grid-template-columns:1fr;gap:14px;}
    .idx-num{font-size:28px;}
    .index-item .item-media{max-width:100%;}
    .panel{padding:24px 20px;}
    .track-nodes{grid-template-columns:repeat(2,1fr);gap:14px;}
    .track-node{text-align:left;display:flex;align-items:center;gap:10px;}
    .track-node .pin{margin:0;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .btn-main,.btn-line{width:100%;}
    .mobile-bar{display:block;}
    body{padding-bottom:78px;}
    .code-row{flex-direction:column;align-items:flex-start;gap:4px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }