/* roulang page: index */
:root{
  --bg:#060A14;
  --panel:#0A1120;
  --panel-soft:#0D1526;
  --text:#EAF1FB;
  --muted:#A6B6CE;
  --dim:#6E7F99;
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --border:rgba(140,180,255,.14);
  --border-strong:rgba(52,198,244,.42);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --radius:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(52,198,244,.4),0 10px 30px rgba(52,198,244,.28);
  --container:1240px;
  --header-h:117px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  min-width:320px;
  overflow-x:hidden;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%,rgba(52,198,244,.12),transparent 28%),
    radial-gradient(circle at 88% 18%,rgba(124,108,255,.12),transparent 30%),
    linear-gradient(rgba(140,180,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,180,255,.035) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed;
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
h1,h2,h3,h4{
  color:var(--text);
  line-height:1.25;
  letter-spacing:-.02em;
  text-wrap:balance;
}
h1{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:700;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;}
h3{font-size:1.25rem;font-weight:700;}
p{color:var(--muted);}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease,transform .2s ease,box-shadow .2s ease;}
img{display:block;max-width:100%;height:auto;}
button,input,textarea,select{font:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;}
::selection{background:rgba(52,198,244,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.skip-link{
  position:fixed;
  left:16px;
  top:16px;
  z-index:2000;
  padding:10px 16px;
  border-radius:999px;
  background:var(--primary);
  color:#04111c;
  font-weight:700;
  transform:translateY(-160%);
}
.skip-link:focus{transform:translateY(0);}
.container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.section{
  position:relative;
  padding:96px 0;
  scroll-margin-top:calc(var(--header-h) + 76px);
}
.section-alt{
  background:linear-gradient(180deg,rgba(10,17,32,.72),rgba(6,10,20,.15));
  border-top:1px solid rgba(140,180,255,.08);
  border-bottom:1px solid rgba(140,180,255,.08);
}
.section-head{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);
  gap:32px;
  align-items:end;
  margin-bottom:44px;
}
.section-head h2{margin-top:12px;}
.section-desc{
  max-width:52ch;
  font-size:1rem;
  line-height:1.85;
  color:var(--muted);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--primary);
  font-size:.8125rem;
  line-height:1.4;
  font-weight:700;
  letter-spacing:.14em;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
  box-shadow:0 0 12px rgba(52,198,244,.7);
}
.btn-main,
.btn-ghost,
.btn-soft,
.nav-cta,
.search-btn,
.float-main,
.float-top,
.menu-toggle,
.drawer-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:999px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-main,
.nav-cta,
.search-btn,
.float-main,
.drawer-cta{
  border:1px solid rgba(52,198,244,.5);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#03111d;
  box-shadow:var(--glow);
}
.btn-main{min-height:50px;padding:0 24px;font-size:1rem;}
.btn-ghost,
.btn-soft{
  min-height:50px;
  padding:0 22px;
  font-size:.98rem;
}
.btn-ghost{
  border:1px solid var(--border);
  background:rgba(255,255,255,.025);
  color:var(--text);
}
.btn-soft{
  border:1px solid rgba(52,198,244,.24);
  background:rgba(52,198,244,.08);
  color:var(--primary);
}
.btn-main:hover,
.nav-cta:hover,
.search-btn:hover,
.float-main:hover,
.drawer-cta:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,198,244,.55),0 16px 38px rgba(52,198,244,.34);
}
.btn-ghost:hover,
.btn-soft:hover{
  border-color:rgba(52,198,244,.52);
  background:rgba(52,198,244,.1);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-main:active,
.btn-ghost:active,
.btn-soft:active,
.nav-cta:active,
.search-btn:active,
.float-main:active,
.float-top:active,
.drawer-cta:active{transform:translateY(0);}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(6,10,20,.76);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(6,10,20,.95);
  box-shadow:0 14px 40px rgba(0,0,0,.28);
}
.nav-row{
  min-height:72px;
  display:grid;
  grid-template-columns:auto minmax(280px,520px) auto;
  gap:24px;
  align-items:center;
  justify-content:space-between;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  min-width:0;
  color:var(--text);
  font-weight:700;
}
.brand-mark{
  position:relative;
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(52,198,244,.95),rgba(124,108,255,.9));
  transform:rotate(12deg);
  box-shadow:0 0 0 1px rgba(52,198,244,.45),0 8px 24px rgba(52,198,244,.25);
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:7px;
  border:1px solid rgba(4,17,28,.5);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:7px;
  height:7px;
  right:6px;
  top:6px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 16px rgba(255,255,255,.95);
}
.brand-text{
  display:block;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:clamp(.94rem,1.6vw,1.08rem);
  letter-spacing:-.02em;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  max-width:520px;
  justify-self:center;
  min-height:46px;
  padding:5px 6px 5px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{
  border-color:rgba(52,198,244,.65);
  background:rgba(52,198,244,.06);
  box-shadow:0 0 0 3px rgba(52,198,244,.12);
}
.nav-search i{color:var(--dim);font-size:.9rem;}
.nav-search input{
  flex:1;
  min-width:0;
  height:34px;
  border:0;
  background:transparent;
  color:var(--text);
  outline:none;
  font-size:.92rem;
}
.nav-search input::placeholder{color:var(--dim);}
.search-btn{
  min-height:34px;
  padding:0 14px;
  border-radius:10px;
  font-size:.82rem;
}
.nav-cta{
  min-height:42px;
  padding:0 18px;
  font-size:.88rem;
}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  padding:0;
  border:1px solid var(--border);
  background:rgba(255,255,255,.035);
  color:var(--text);
}
.menu-toggle:hover{border-color:rgba(52,198,244,.5);color:var(--primary);}
.nav-cats{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding-bottom:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  min-height:32px;
  padding:0 13px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--muted);
  font-size:.82rem;
  font-weight:500;
  white-space:nowrap;
}
.nav-pill:hover{
  color:var(--primary);
  border-color:rgba(52,198,244,.28);
  background:rgba(52,198,244,.07);
}
.nav-pill.active{
  color:var(--primary);
  border-color:rgba(52,198,244,.42);
  background:rgba(52,198,244,.1);
}
.mobile-drawer{display:none;}
.hero{
  position:relative;
  isolation:isolate;
  padding:76px 0 64px;
  background-image:
    linear-gradient(90deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.8) 48%,rgba(6,10,20,.6) 100%),
    linear-gradient(180deg,rgba(6,10,20,.55),rgba(6,10,20,.95)),
    url('/assets/images/backpic/back-1.jpg');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(140,180,255,.1);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:linear-gradient(rgba(140,180,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(140,180,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.2));
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.2));
}
.hero::after{
  content:"";
  position:absolute;
  z-index:-1;
  width:420px;
  height:420px;
  right:4%;
  top:8%;
  border-radius:50%;
  background:radial-gradient(circle,rgba(52,198,244,.2),rgba(124,108,255,.12) 45%,transparent 70%);
  filter:blur(18px);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(360px,.82fr);
  gap:56px;
  align-items:center;
}
.hero-copy .eyebrow{margin-bottom:18px;}
.hero-copy h1{
  max-width:14ch;
  margin-bottom:20px;
}
.hero-copy h1 span{
  color:var(--primary);
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{
  max-width:52ch;
  margin-bottom:28px;
  color:var(--muted);
  font-size:clamp(1rem,1.45vw,1.12rem);
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:26px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.meta-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:32px;
  padding:0 12px;
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--muted);
  background:rgba(255,255,255,.025);
  font-size:.8rem;
}
.meta-chip::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(52,198,244,.8);
}
.hero-demo{
  width:100%;
  max-width:540px;
  justify-self:end;
  padding:18px;
  border-radius:26px;
}
.demo-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  border-radius:18px;
  background:#09101e;
  border:1px solid rgba(140,180,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.demo-frame > img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.86;
  filter:saturate(.9);
}
.demo-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(3,8,18,.18),rgba(3,8,18,.6) 62%,rgba(3,8,18,.92));
  pointer-events:none;
}
.frame-top{
  position:absolute;
  z-index:2;
  inset:14px 14px auto 14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.frame-label,
.badge-demo{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:.72rem;
  font-weight:700;
  line-height:1;
  backdrop-filter:blur(10px);
}
.frame-label{
  border:1px solid rgba(255,255,255,.16);
  background:rgba(4,12,24,.48);
  color:var(--text);
}
.badge-demo{
  border:1px solid rgba(255,179,92,.48);
  background:rgba(255,179,92,.16);
  color:var(--warm);
}
.timeline{
  position:absolute;
  z-index:2;
  left:14px;
  right:14px;
  bottom:14px;
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  background:rgba(3,8,18,.56);
  backdrop-filter:blur(12px);
}
.timeline-track{
  display:flex;
  gap:5px;
  height:5px;
  margin-bottom:8px;
  overflow:hidden;
  border-radius:999px;
  background:rgba(255,255,255,.1);
}
.timeline-track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.timeline-track .s1{width:34%;}
.timeline-track .s2{width:23%;background:linear-gradient(90deg,var(--accent),var(--primary));}
.timeline-track .s3{width:18%;background:rgba(255,255,255,.34);}
.timeline-labels{
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:rgba(234,241,251,.68);
  font-size:.67rem;
  line-height:1.4;
}
.demo-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.demo-tags span{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:.76rem;
}
.demo-caption{
  margin-top:12px;
  color:var(--dim);
  font-size:.8rem;
  line-height:1.6;
}
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:800;
  background:rgba(6,10,20,.82);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.anchor-track{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:54px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-track::-webkit-scrollbar{display:none;}
.anchor-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  min-height:32px;
  padding:0 14px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--muted);
  font-size:.82rem;
  font-weight:500;
}
.anchor-pill:hover,
.anchor-pill:focus-visible{
  color:var(--primary);
  border-color:rgba(52,198,244,.34);
  background:rgba(52,198,244,.07);
}
.anchor-pill:first-child{color:var(--primary);border-color:rgba(52,198,244,.34);background:rgba(52,198,244,.08);}
.feature-layout{
  display:grid;
  grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);
  gap:56px;
  align-items:start;
}
.feature-aside{
  position:sticky;
  top:calc(var(--header-h) + 90px);
}
.feature-aside h2{margin:12px 0 16px;}
.feature-aside p{max-width:40ch;}
.feature-list{border-top:1px solid var(--border);}
.feature-item{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:22px;
  padding:26px 20px;
  border-bottom:1px solid var(--border);
  border-radius:12px;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.feature-item:hover{
  background:rgba(52,198,244,.045);
  border-color:rgba(52,198,244,.22);
  transform:translateX(4px);
}
.feature-num{
  color:var(--primary);
  font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.4;
}
.feature-item h3{margin-bottom:8px;}
.feature-item p{max-width:60ch;font-size:.98rem;line-height:1.85;}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 9px;
  border:1px solid rgba(140,180,255,.18);
  border-radius:999px;
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:.72rem;
  line-height:1;
}
.demo-showcase{padding:26px;}
.demo-main{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  border-radius:var(--radius-md);
  border:1px solid rgba(140,180,255,.16);
  background:#09101e;
}
.demo-main img{width:100%;height:100%;object-fit:cover;opacity:.88;}
.demo-main::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 48%,rgba(3,8,18,.76));
}
.demo-main .badge-demo{position:absolute;z-index:2;top:16px;right:16px;}
.demo-main .demo-copy{
  position:absolute;
  z-index:2;
  left:22px;
  right:22px;
  bottom:18px;
}
.demo-main .demo-copy strong{
  display:block;
  margin-bottom:4px;
  color:var(--text);
  font-size:1rem;
}
.demo-main .demo-copy span{color:var(--muted);font-size:.82rem;}
.cover-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:18px;
}
.cover-thumb{
  position:relative;
  overflow:hidden;
  padding:9px;
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.025);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.cover-thumb:hover{
  transform:translateY(-4px);
  border-color:rgba(52,198,244,.38);
  background:rgba(52,198,244,.05);
}
.cover-thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:11px;
  opacity:.9;
}
.cover-thumb .badge-demo{
  position:absolute;
  top:16px;
  right:16px;
}
.thumb-body{padding:10px 5px 4px;}
.thumb-body strong{display:block;color:var(--text);font-size:.85rem;line-height:1.5;}
.thumb-body span{display:block;margin-top:3px;color:var(--dim);font-size:.76rem;line-height:1.55;}
.evidence-panel{padding:38px;}
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  padding-bottom:30px;
  border-bottom:1px solid var(--border);
}
.stat{
  padding:0 24px;
  border-left:1px solid var(--border);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat:last-child{padding-right:0;}
.stat-num{
  display:block;
  color:var(--text);
  font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  font-size:clamp(1.8rem,3vw,2.55rem);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.stat-label{display:block;margin-top:8px;color:var(--dim);font-size:.82rem;line-height:1.5;}
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:30px;
}
.quote-card{
  position:relative;
  padding:26px 26px 22px;
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(255,255,255,.028);
}
.quote-card::before{
  content:"“";
  display:block;
  height:24px;
  color:var(--primary);
  font-family:Georgia,serif;
  font-size:3.2rem;
  line-height:1;
  opacity:.8;
}
.quote-card blockquote{
  margin:0;
  color:var(--text);
  font-size:1rem;
  line-height:1.85;
}
.quote-card cite{
  display:block;
  margin-top:16px;
  color:var(--dim);
  font-size:.8rem;
  font-style:normal;
}
.badge-wall{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:28px;
}
.badge-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:32px;
  padding:0 12px;
  border:1px solid rgba(140,180,255,.18);
  border-radius:999px;
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:.78rem;
}
.badge-chip::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(124,108,255,.8);
}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  align-items:stretch;
}
.price-card{
  display:flex;
  flex-direction:column;
  padding:28px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--glass);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(16px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.price-card:hover{
  transform:translateY(-4px);
  border-color:rgba(52,198,244,.34);
  box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(52,198,244,.2);
}
.price-card.featured{
  position:relative;
  border-color:rgba(52,198,244,.65);
  box-shadow:var(--glow),var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  transform:translateY(-8px);
}
.price-card.featured:hover{transform:translateY(-12px);}
.price-badge{
  display:inline-flex;
  align-self:flex-start;
  min-height:26px;
  margin-bottom:14px;
  padding:0 10px;
  border:1px solid rgba(255,179,92,.42);
  border-radius:999px;
  background:rgba(255,179,92,.12);
  color:var(--warm);
  font-size:.72rem;
  font-weight:700;
  line-height:1;
  align-items:center;
}
.price-head h3{margin-bottom:6px;}
.price-for{color:var(--dim);font-size:.82rem;line-height:1.6;min-height:2.6em;}
.price-num{
  display:flex;
  align-items:flex-end;
  gap:6px;
  margin:18px 0 22px;
  color:var(--text);
  font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  font-size:clamp(2rem,3.4vw,2.8rem);
  font-weight:700;
  line-height:1;
  letter-spacing:-.05em;
  font-variant-numeric:tabular-nums;
}
.price-num .currency{font-size:.9rem;line-height:2.2;color:var(--muted);font-weight:500;}
.price-num .period{font-family:"Noto Sans TC",sans-serif;font-size:.8rem;line-height:2.5;color:var(--dim);font-weight:500;letter-spacing:0;}
.price-list{
  flex:1;
  list-style:none;
  padding:0;
  margin:0 0 24px;
}
.price-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.65;
}
.price-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--primary);
  font-weight:700;
}
.price-card .btn-ghost,
.price-card .btn-main{width:100%;min-height:46px;}
.price-note{
  margin-top:14px;
  color:var(--dim);
  font-size:.74rem;
  line-height:1.6;
  text-align:center;
}
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  min-height:260px;
  padding:24px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--glass);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.post-card:hover{
  transform:translateY(-4px);
  border-color:rgba(52,198,244,.42);
  background:linear-gradient(160deg,rgba(52,198,244,.08),rgba(255,255,255,.025));
  box-shadow:0 24px 56px rgba(0,0,0,.5),0 0 0 1px rgba(52,198,244,.16);
}
.post-cat{
  display:inline-flex;
  align-self:flex-start;
  align-items:center;
  min-height:25px;
  margin-bottom:14px;
  padding:0 9px;
  border:1px solid rgba(52,198,244,.38);
  border-radius:999px;
  background:rgba(52,198,244,.08);
  color:var(--primary);
  font-size:.7rem;
  font-weight:700;
  line-height:1;
}
.post-card h3{
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  margin-bottom:10px;
  font-size:1.1rem;
  line-height:1.55;
}
.post-card p{
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  margin-bottom:18px;
  color:var(--muted);
  font-size:.88rem;
  line-height:1.8;
}
.post-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-top:auto;
  color:var(--dim);
  font-size:.76rem;
}
.read-more{color:var(--primary);font-weight:700;white-space:nowrap;}
.post-card:hover .read-more{text-decoration:underline;text-underline-offset:3px;}
.post-empty{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-height:220px;
  padding:32px;
  border:1px dashed rgba(140,180,255,.3);
  border-radius:var(--radius);
  background:rgba(255,255,255,.018);
  text-align:center;
}
.post-empty i{
  color:var(--primary);
  font-size:1.8rem;
  margin-bottom:14px;
  opacity:.9;
}
.post-empty strong{display:block;margin-bottom:6px;color:var(--text);font-size:1rem;}
.post-empty span{display:block;margin-bottom:16px;color:var(--dim);font-size:.86rem;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--border);
  border-radius:18px;
  background:var(--glass);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .25s ease,background-color .25s ease;
}
.faq-item[open]{
  border-color:rgba(52,198,244,.38);
  background:linear-gradient(160deg,rgba(52,198,244,.07),rgba(255,255,255,.02));
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:64px;
  padding:18px 24px;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  font-size:1rem;
  font-weight:700;
  line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";
  flex:0 0 auto;
  color:var(--primary);
  font-size:1.3rem;
  line-height:1;
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary::after{content:"－";transform:rotate(180deg);}
.faq-a{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.9;
}
.cta-band{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  padding:38px;
  border:1px solid rgba(52,198,244,.3);
  border-radius:26px;
  background:linear-gradient(115deg,rgba(52,198,244,.12),rgba(124,108,255,.08) 55%,rgba(255,255,255,.025));
  box-shadow:0 24px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.12);
}
.cta-band h2{margin:10px 0 10px;}
.cta-band p{max-width:52ch;font-size:.98rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.contact-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:18px;
  color:var(--dim);
  font-size:.82rem;
}
.contact-line a{color:var(--primary);font-weight:700;}
.contact-line a:hover{text-decoration:underline;text-underline-offset:3px;}
.site-footer{
  position:relative;
  padding:72px 0 86px;
  background:linear-gradient(180deg,rgba(5,8,16,.86),#050810);
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr .9fr .9fr 1.1fr;
  gap:40px;
  padding-bottom:42px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{max-width:34ch;font-size:.9rem;line-height:1.85;}
.footer-col h4{
  margin:0 0 16px;
  color:var(--text);
  font-size:.94rem;
  letter-spacing:0;
}
.footer-col a,
.footer-col span{
  display:block;
  margin-bottom:9px;
  color:var(--muted);
  font-size:.88rem;
  line-height:1.65;
}
.footer-col a:hover{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
  padding-top:24px;
  border-top:1px solid var(--border);
  color:var(--dim);
  font-size:.76rem;
  line-height:1.7;
}
.footer-legal{max-width:76ch;}
.footer-legal strong{color:var(--muted);font-weight:500;}
.float-cta{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:900;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-main{
  min-height:48px;
  padding:0 18px;
  font-size:.86rem;
}
.float-top{
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--border);
  background:rgba(10,17,32,.9);
  color:var(--text);
  box-shadow:var(--shadow);
}
.float-top:hover{
  color:var(--primary);
  border-color:rgba(52,198,244,.5);
  transform:translateY(-2px);
}
@media (max-width:1199px){
  .nav-row{grid-template-columns:auto minmax(240px,440px) auto;gap:18px;}
  .feature-layout{gap:36px;}
  .pricing-grid{gap:18px;}
  .footer-grid{gap:30px;}
}
@media (max-width:991px){
  :root{--header-h:142px;}
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;scroll-margin-top:88px;}
  .nav-row{
    grid-template-columns:minmax(0,1fr) auto;
    gap:10px 14px;
    padding:12px 0 0;
    min-height:0;
  }
  .nav-search{
    grid-column:1/-1;
    grid-row:2;
    max-width:none;
    min-height:46px;
    justify-self:stretch;
  }
  .nav-cta{display:none;}
  .menu-toggle{display:inline-flex;grid-column:2;grid-row:1;justify-self:end;}
  .nav-cats{display:none;}
  .brand-text{font-size:1rem;}
  .hero{padding:58px 0 54px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-copy h1{max-width:18ch;}
  .hero-demo{justify-self:center;max-width:620px;}
  .anchor-bar{position:static;}
  .anchor-track{min-height:52px;}
  .feature-layout{grid-template-columns:1fr;gap:30px;}
  .feature-aside{position:static;}
  .section-head{grid-template-columns:1fr;gap:16px;align-items:start;margin-bottom:32px;}
  .stats-row{grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:0;}
  .stat{padding:20px 18px;border-left:0;border-top:1px solid var(--border);}
  .stat:first-child,
  .stat:nth-child(2){border-top:0;padding-top:0;}
  .stat:first-child,
  .stat:nth-child(3){padding-left:0;}
  .quote-grid{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;max-width:620px;margin-left:auto;margin-right:auto;}
  .price-card.featured,
  .price-card.featured:hover{transform:none;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;gap:22px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-bottom{flex-direction:column;gap:12px;}
  .mobile-drawer{display:block;position:fixed;inset:0;z-index:1200;pointer-events:none;}
  .drawer-overlay{
    position:absolute;
    inset:0;
    background:rgba(2,5,12,.74);
    opacity:0;
    transition:opacity .25s ease;
  }
  .drawer-panel{
    position:absolute;
    top:0;
    right:0;
    width:min(86vw,360px);
    height:100%;
    display:flex;
    flex-direction:column;
    gap:18px;
    padding:22px;
    overflow-y:auto;
    background:#080D19;
    border-left:1px solid var(--border);
    box-shadow:-24px 0 60px rgba(0,0,0,.42);
    transform:translateX(100%);
    transition:transform .28s ease;
  }
  .mobile-drawer.is-open{pointer-events:auto;}
  .mobile-drawer.is-open .drawer-overlay{opacity:1;}
  .mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
  body.drawer-open{overflow:hidden;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--border);}
  .drawer-close{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border:1px solid var(--border);
    border-radius:50%;
    background:rgba(255,255,255,.03);
    color:var(--text);
  }
  .drawer-close:hover{color:var(--primary);border-color:rgba(52,198,244,.5);}
  .drawer-nav{display:grid;gap:4px;}
  .drawer-link{
    display:flex;
    align-items:center;
    min-height:44px;
    padding:0 12px;
    border:1px solid transparent;
    border-radius:12px;
    color:var(--muted);
    font-size:.94rem;
  }
  .drawer-link:hover,
  .drawer-link.active{
    color:var(--primary);
    border-color:rgba(52,198,244,.24);
    background:rgba(52,198,244,.07);
  }
  .drawer-cta{margin-top:auto;min-height:48px;width:100%;}
  .float-main span{display:none;}
  .float-main{width:48px;min-height:48px;padding:0;border-radius:50%;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:64px 0;}
  .hero{padding:46px 0 44px;}
  .nav-search{min-height:44px;}
  .hero-actions{width:100%;}
  .hero-actions .btn-main,
  .hero-actions .btn-ghost{flex:1 1 220px;}
  .demo-showcase{padding:18px;}
  .demo-main{aspect-ratio:16/10;}
  .cover-grid{grid-template-columns:1fr;}
  .cover-thumb{display:grid;grid-template-columns:42% 1fr;gap:10px;align-items:center;}
  .cover-thumb img{aspect-ratio:4/3;height:100%;}
  .cover-thumb .badge-demo{top:14px;right:14px;}
  .thumb-body{padding:4px 4px 4px 0;}
  .evidence-panel{padding:24px;}
  .quote-card{padding:22px;}
  .post-grid{grid-template-columns:1fr;}
  .post-card{min-height:220px;}
  .cta-band{padding:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-bottom:96px;}
  .float-cta{right:16px;bottom:16px;}
}
@media (max-width:575px){
  h1{font-size:clamp(1.9rem,9vw,2.6rem);}
  h2{font-size:clamp(1.4rem,6vw,1.8rem);}
  .section{padding:48px 0;}
  .nav-row{padding-top:10px;}
  .brand-mark{flex-basis:30px;width:30px;height:30px;border-radius:9px;}
  .brand-text{font-size:.92rem;}
  .search-btn{padding:0 11px;font-size:.76rem;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,
  .hero-actions .btn-ghost{width:100%;flex:none;min-height:48px;}
  .hero-copy h1{max-width:none;}
  .hero-meta{gap:7px;}
  .meta-chip{font-size:.74rem;min-height:30px;padding:0 10px;}
  .anchor-track{gap:6px;}
  .anchor-pill{font-size:.76rem;padding:0 11px;}
  .feature-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px 12px;}
  .feature-num{font-size:.94rem;}
  .stats-row{grid-template-columns:1fr 1fr;}
  .stat{padding:16px 12px;}
  .stat:first-child,
  .stat:nth-child(3){padding-left:12px;}
  .stat-num{font-size:1.7rem;}
  .pricing-grid{max-width:none;}
  .price-card{padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:.94rem;gap:12px;}
  .faq-a{padding:0 18px 18px;font-size:.9rem;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,
  .cta-actions .btn-ghost{width:100%;}
  .footer-bottom{font-size:.72rem;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important;}
}

/* roulang page: article */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --violet:#7C6CFF;
  --warm:#FFB35C;
  --title:#EAF1FB;
  --text:#A6B6CE;
  --muted:#6E7F99;
  --line:rgba(140,180,255,.14);
  --line-strong:rgba(140,180,255,.28);
  --radius:20px;
  --radius-sm:14px;
  --radius-img:16px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(52,198,244,.4),0 10px 30px rgba(52,198,244,.28);
  --space:8px;
  --font-cn:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(760px 520px at 12% -8%,rgba(52,198,244,.16),transparent 62%),
    radial-gradient(680px 480px at 92% 4%,rgba(124,108,255,.14),transparent 64%),
    linear-gradient(rgba(140,180,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,180,255,.04) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  opacity:.9;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7fdcff}
p{margin:0 0 1.1em}
h1,h2,h3,h4{color:var(--title);letter-spacing:-.02em;margin:0}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ---------- 導航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.94);border-bottom-color:var(--line-strong)}
.nav-top{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 0 1px rgba(52,198,244,.45),0 0 18px rgba(52,198,244,.6);
  transform:rotate(12deg);
}
.brand-text{
  font-weight:700;font-size:1.02rem;color:var(--title);
  letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover .brand-text{color:#bdeeff}
.nav-search{flex:1 1 auto;max-width:520px;min-width:200px}
.search-shell{
  display:flex;align-items:center;gap:10px;
  background:rgba(10,17,32,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:6px 6px 6px 14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-shell:focus-within{border-color:rgba(52,198,244,.6);box-shadow:0 0 0 4px rgba(52,198,244,.12)}
.search-shell svg{flex-shrink:0;color:var(--muted)}
.search-shell input{
  flex:1;min-width:0;background:transparent;border:0;color:var(--title);
  font-family:var(--font-cn);font-size:.94rem;padding:6px 0;outline:none;
}
.search-shell input::placeholder{color:var(--muted)}
.search-btn{
  border:0;border-radius:10px;padding:7px 16px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121e;font-weight:700;font-size:.86rem;font-family:var(--font-cn);
  cursor:pointer;white-space:nowrap;transition:filter .2s ease,transform .2s ease;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-btn:active{transform:none}
.nav-cats{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.nav-pill{
  display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:.86rem;color:var(--text);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.nav-pill:hover{color:var(--title);border-color:var(--line-strong);background:rgba(255,255,255,.04);transform:translateY(-1px)}
.nav-pill.active{color:#04121e;background:linear-gradient(135deg,var(--primary),var(--primary-deep));border-color:transparent;font-weight:700}
.nav-cta{
  padding:9px 20px;border-radius:999px;
  background:linear-gradient(135deg,rgba(52,198,244,.18),rgba(124,108,255,.18));
  border:1px solid rgba(52,198,244,.45);
  color:#d5f4ff;font-weight:700;font-size:.86rem;white-space:nowrap;
  transition:box-shadow .22s ease,transform .22s ease,background .22s ease;
}
.nav-cta:hover{box-shadow:var(--glow);transform:translateY(-1px);color:#eaf9ff;background:linear-gradient(135deg,rgba(52,198,244,.3),rgba(124,108,255,.3))}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--title);cursor:pointer;font-size:1.05rem;line-height:1;
  align-items:center;justify-content:center;
}
.nav-drawer{
  display:none;
  flex-direction:column;gap:4px;
  padding:10px 0 16px;border-top:1px solid var(--line);
}
.nav-drawer.open{display:flex}
.nav-drawer a{
  padding:11px 14px;border-radius:12px;color:var(--text);font-size:.94rem;
  border:1px solid transparent;
}
.nav-drawer a:hover{background:rgba(255,255,255,.05);color:var(--title);border-color:var(--line)}
.nav-drawer a.active{background:rgba(52,198,244,.16);color:#cdf2ff;border-color:rgba(52,198,244,.4);font-weight:700}
.mobile-search{display:none;padding:0 0 14px}

/* ---------- 文章頭部 ---------- */
.article-head{padding:48px 0 32px;position:relative}
.breadcrumb-trail{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.8rem;color:var(--muted);margin-bottom:22px;
}
.breadcrumb-trail a{color:var(--muted)}
.breadcrumb-trail a:hover{color:var(--primary)}
.breadcrumb-trail .sep{opacity:.5}
.breadcrumb-trail .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:.78rem;letter-spacing:.02em;
  color:#b9ecff;border:1px solid rgba(52,198,244,.42);
  background:rgba(52,198,244,.1);
}
.article-title{
  font-size:clamp(1.85rem,3.6vw,2.85rem);
  line-height:1.3;margin:18px 0 20px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:.84rem;color:var(--muted);
  padding-top:18px;border-top:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);opacity:.6}
.article-meta strong{color:var(--text);font-weight:500}

/* ---------- 版面 ---------- */
.reading-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  padding:20px 0 72px;
  align-items:start;
}
.reading-main{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:40px 44px;
  max-width:820px;
}
.prose{max-width:760px;font-size:17px;line-height:1.9;color:var(--text)}
.prose h2{
  position:relative;
  font-size:clamp(1.35rem,2.2vw,1.7rem);
  margin:2em 0 .7em;padding-left:16px;
  line-height:1.5;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;
  width:3px;height:1.1em;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--violet));
  box-shadow:0 0 14px rgba(52,198,244,.7);
}
.prose h3{font-size:1.18rem;font-weight:700;margin:1.6em 0 .5em}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--glass);border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#c7d6ea;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.3em}
.prose ol{list-style:none;counter-reset:step}
.prose ol>li{counter-increment:step;position:relative;padding-left:6px;margin-bottom:.6em}
.prose ol>li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:-1.3em;top:0;
  color:var(--primary);font-family:var(--font-num);font-weight:700;font-size:.9em;
}
.prose li{margin-bottom:.5em}
.prose img{border-radius:var(--radius-img);margin:1.4em 0}
.prose a{color:var(--primary);border-bottom:1px solid rgba(52,198,244,.35)}
.prose a:hover{border-bottom-color:var(--primary)}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.94rem}
.prose thead th{
  background:var(--glass);color:var(--title);font-weight:700;
  text-align:left;padding:12px 14px;border:0;
}
.prose tbody td{padding:12px 14px;border:0;border-top:1px solid var(--line)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose strong{color:var(--title)}

/* 無內容狀態 */
.empty-state{
  text-align:center;padding:56px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:rgba(255,255,255,.02);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(52,198,244,.12);border:1px solid rgba(52,198,244,.35);
  color:var(--primary);font-size:1.4rem;
}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- 側欄 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);
}
.side-card h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{
  content:"";width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 12px rgba(52,198,244,.7);
}
.key-list{list-style:none;padding:0;margin:0;font-size:.9rem;color:var(--text)}
.key-list li{
  position:relative;padding-left:20px;margin-bottom:12px;line-height:1.7;
}
.key-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;border-radius:2px;background:rgba(52,198,244,.75);
}
.key-list li:last-child{margin-bottom:0}
.side-cta{text-align:left}
.side-cta p{font-size:.88rem;color:var(--muted);margin-bottom:16px;line-height:1.8}

/* ---------- 按鈕 ---------- */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121e;font-weight:700;font-size:.94rem;font-family:var(--font-cn);
  border:0;cursor:pointer;
  box-shadow:var(--glow);
  transition:filter .22s ease,transform .22s ease,box-shadow .22s ease,color .22s ease;
}
.btn-primary-glow:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121e;box-shadow:0 0 0 1px rgba(52,198,244,.55),0 14px 38px rgba(52,198,244,.36)}
.btn-primary-glow:active{transform:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  color:var(--title);font-weight:500;font-size:.94rem;font-family:var(--font-cn);
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.btn-ghost:hover{border-color:rgba(52,198,244,.6);background:rgba(52,198,244,.12);transform:translateY(-1px);color:#d8f6ff}
.btn-ghost:active{transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 相關推薦 ---------- */
.related-section{padding:0 0 80px}
.section-head{margin-bottom:32px;max-width:720px}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:.94rem;margin:0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-post{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card-post:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 26px 60px rgba(0,0,0,.55)}
.card-post .tag{
  align-self:flex-start;font-size:.74rem;padding:4px 12px;border-radius:999px;
  color:#b9ecff;border:1px solid rgba(52,198,244,.4);background:rgba(52,198,244,.1);
  margin-bottom:16px;
}
.card-post h3{font-size:1.02rem;line-height:1.6;margin-bottom:10px;color:var(--title)}
.card-post p{font-size:.88rem;color:var(--muted);margin:0 0 18px;line-height:1.8}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:.8rem;color:var(--muted);
}
.card-foot .read{color:var(--primary);font-weight:500}
.card-post:hover .read{color:#8fe6ff}

/* ---------- 返回 ---------- */
.back-strip{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 28px;margin-bottom:80px;
}
.back-strip p{margin:0;font-size:.94rem;color:var(--text)}

/* ---------- 浮動 CTA ---------- */
.float-cta{
  position:fixed;right:20px;bottom:20px;z-index:50;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:none}
.float-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121e;font-weight:700;font-size:.9rem;
  box-shadow:var(--glow);
}
.float-main:hover{filter:brightness(1.08);color:#04121e;transform:translateY(-1px)}
.float-top{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,17,32,.92);border:1px solid var(--line-strong);
  color:var(--title);font-size:1rem;cursor:pointer;
  transition:border-color .22s ease,transform .22s ease;
}
.float-top:hover{border-color:rgba(52,198,244,.6);transform:translateY(-2px);color:#cdf2ff}

/* ---------- 頁尾 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.6),rgba(6,10,20,.95));
  padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
.footer-col{display:flex;flex-direction:column;gap:10px;font-size:.88rem}
.footer-col h4{font-size:.94rem;margin-bottom:6px;color:var(--title)}
.footer-col a{color:var(--text)}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.footer-col span{color:var(--muted)}
.footer-brand p{color:var(--muted);font-size:.86rem;line-height:1.9;margin:12px 0 0;max-width:320px}
.footer-brand .brand{padding:0}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8rem;color:var(--muted);
}
.footer-legal{line-height:1.9;max-width:760px}
.footer-legal strong{color:var(--text);font-weight:500}

/* ---------- 響應式 ---------- */
@media (max-width:1199px){
  .reading-layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px}
  .nav-search{max-width:400px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .nav-top{flex-wrap:wrap;padding:12px 0;gap:12px}
  .nav-toggle{display:flex}
  .nav-search{display:none}
  .nav-cats{display:none}
  .nav-cta{display:none}
  .mobile-search{display:block}
  .reading-layout{grid-template-columns:1fr;gap:24px}
  .reading-main{padding:32px 28px;max-width:none}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .article-head{padding:32px 0 24px}
  .reading-main{padding:26px 20px}
  .prose{font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .back-strip{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575px){
  .brand-text{font-size:.94rem;white-space:normal;line-height:1.3}
  .article-title{font-size:1.6rem}
  .btn-primary-glow,.btn-ghost{width:100%;min-height:48px}
  .btn-row{gap:12px}
  .float-cta{right:16px;bottom:16px}
  .float-main{padding:0;width:48px;height:48px;justify-content:center;font-size:0}
  .float-main .ico{font-size:1.05rem}
  .side-col{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-strong:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.03));
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --title:#EAF1FB;
  --text:#A6B6CE;
  --muted:#6E7F99;
  --line:rgba(140,180,255,.14);
  --line-strong:rgba(140,180,255,.28);
  --radius:20px;
  --radius-sm:14px;
  --radius-lg:24px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(52,198,244,.4),0 10px 30px rgba(52,198,244,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,180,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,180,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(600px 420px at 12% -6%,rgba(52,198,244,.16),transparent 70%),
    radial-gradient(720px 520px at 88% 8%,rgba(124,108,255,.14),transparent 72%);
}
h1,h2,h3,h4{
  color:var(--title);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.3;
  margin:0;
}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
img{max-width:100%;display:block;border-radius:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-inline:32px;
  position:relative;
  z-index:1;
}
.section{
  padding-block:96px;
  position:relative;
  z-index:1;
}
.section-tight{padding-block:72px;}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  letter-spacing:.14em;
  color:var(--primary);
  text-transform:uppercase;
  font-weight:500;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:16px;
}
.section-head p{color:var(--text);max-width:640px;}
.lead{font-size:1.0625rem;color:var(--text);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:1px solid transparent;
  border-radius:999px;
  padding:13px 26px;
  font-size:.9375rem;
  font-weight:500;
  letter-spacing:.02em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),filter .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  color:#04121C;
  font-weight:700;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,198,244,.55),0 16px 38px rgba(52,198,244,.34);
  color:#04121C;
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--line-strong);
  color:var(--title);
}
.btn-ghost:hover{
  border-color:rgba(52,198,244,.55);
  background:rgba(52,198,244,.08);
  transform:translateY(-1px);
  color:var(--title);
}
.btn-sm{padding:9px 18px;font-size:.875rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,20,.62);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.92);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:26px;height:26px;
  border-radius:9px;
  background:
    radial-gradient(circle at 30% 30%,#9BE9FF 0,#34C6F4 42%,#1C86D8 100%);
  box-shadow:0 0 0 1px rgba(52,198,244,.45),0 8px 20px rgba(52,198,244,.35);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:-3px;top:-3px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(124,108,255,.9);
}
.brand-text{
  font-size:1.0625rem;
  font-weight:700;
  color:var(--title);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;
  max-width:480px;
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:6px 6px 6px 14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.nav-search:focus-within{
  border-color:rgba(52,198,244,.6);
  box-shadow:0 0 0 4px rgba(52,198,244,.12);
  background:rgba(255,255,255,.07);
}
.nav-search i{color:var(--muted);font-size:.875rem;}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--title);
  font-size:.875rem;
  padding:6px 0;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{outline:none;}
.nav-search button{
  border:0;
  border-radius:10px;
  padding:7px 14px;
  font-size:.8125rem;
  font-weight:500;
  color:#04121C;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  transition:filter .25s var(--ease);
}
.nav-search button:hover{filter:brightness(1.08);}
.nav-cats{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-pill{
  padding:8px 13px;
  border-radius:999px;
  font-size:.875rem;
  color:var(--text);
  border:1px solid transparent;
  transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.nav-pill:hover{
  color:var(--title);
  background:rgba(255,255,255,.06);
  border-color:var(--line);
}
.nav-pill.active{
  color:#04121C;
  font-weight:700;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  border-color:transparent;
  box-shadow:0 8px 22px rgba(52,198,244,.28);
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--title);
  font-size:1rem;
}
.mobile-search{display:none;padding-bottom:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-block:88px 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;
  background-position:center;
  opacity:.34;
  z-index:0;
}
.hero-mask{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.82) 46%,rgba(6,10,20,.55) 100%),
    radial-gradient(680px 420px at 78% 22%,rgba(52,198,244,.22),transparent 70%);
  z-index:0;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2rem,4.2vw,3.15rem);
  line-height:1.25;
  margin-bottom:20px;
}
.hero-sub{
  font-size:1.0625rem;
  color:var(--text);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:28px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.8125rem;
  color:var(--text);
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.chip i{color:var(--primary);font-size:.75rem;}
.chip-warm{
  color:var(--warm);
  border-color:rgba(255,179,92,.4);
  background:rgba(255,179,92,.08);
}

/* Hero panel */
.panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  padding:24px;
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:"";
  position:absolute;
  inset:-40% 40% 60% -20%;
  background:radial-gradient(circle,rgba(52,198,244,.22),transparent 70%);
  pointer-events:none;
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:20px;
  position:relative;
}
.panel-head strong{
  font-size:.9375rem;
  color:var(--title);
  font-weight:700;
}
.panel-head .dot-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.75rem;
  color:var(--primary);
}
.dot-live::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}
.stage-row{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
  position:relative;
}
.stage-name{
  font-size:.8125rem;
  color:var(--text);
  width:88px;
  flex-shrink:0;
}
.stage-bar{
  flex:1;
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.stage-bar span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.stage-val{
  font-family:"Inter",monospace;
  font-size:.75rem;
  color:var(--muted);
  width:38px;
  text-align:right;
  flex-shrink:0;
}
.timeline-strip{
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed var(--line);
  position:relative;
}
.timeline-track{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  position:relative;
  overflow:hidden;
}
.timeline-track::after{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:58%;
  border-radius:999px;
  background:linear-gradient(90deg,rgba(52,198,244,.9),rgba(124,108,255,.9));
}
.timeline-labels{
  display:flex;
  justify-content:space-between;
  margin-top:10px;
  font-size:.6875rem;
  color:var(--muted);
  letter-spacing:.04em;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:.75rem;
  color:var(--primary);
  border:1px solid rgba(52,198,244,.34);
  background:rgba(52,198,244,.08);
  border-radius:999px;
  padding:4px 12px;
}
.corner-tag{
  position:absolute;
  top:14px;right:14px;
  font-size:.6875rem;
  color:var(--warm);
  border:1px solid rgba(255,179,92,.45);
  background:rgba(255,179,92,.1);
  border-radius:999px;
  padding:2px 9px;
  letter-spacing:.06em;
  z-index:2;
}

/* ---------- Anchor strip ---------- */
.anchor-strip{
  position:sticky;
  top:72px;
  z-index:40;
  background:rgba(8,13,26,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.anchor-list{
  display:flex;
  gap:8px;
  padding-block:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  font-size:.8125rem;
  color:var(--text);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 16px;
  white-space:nowrap;
  background:rgba(255,255,255,.03);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.anchor-list a:hover{
  color:var(--title);
  border-color:rgba(52,198,244,.5);
  background:rgba(52,198,244,.1);
}

/* ---------- Steps ---------- */
.steps-layout{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}
.steps-intro{position:sticky;top:160px;}
.steps-intro h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  margin-bottom:18px;
}
.steps-intro p{color:var(--text);margin-bottom:24px;}
.steps-intro .mini-card{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius-sm);
  padding:18px 20px;
  font-size:.875rem;
  color:var(--text);
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.steps-intro .mini-card i{color:var(--primary);margin-top:5px;}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:20px;
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:0 14px 34px rgba(0,0,0,.3);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{
  transform:translateY(-4px);
  border-color:rgba(52,198,244,.4);
  box-shadow:0 24px 54px rgba(0,0,0,.45);
}
.step-num{
  font-family:"Inter",monospace;
  font-size:1.375rem;
  font-weight:700;
  color:transparent;
  background:linear-gradient(120deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  line-height:1;
  padding-top:4px;
  min-width:46px;
}
.step h3{font-size:1.125rem;margin-bottom:8px;}
.step p{font-size:.9375rem;color:var(--text);margin-bottom:12px;}
.step .tag-row{margin-top:0;}

/* ---------- Panel showcase ---------- */
.showcase{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:24px;
}
.showcase-main{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-soft);
  box-shadow:var(--shadow);
  min-height:340px;
  display:flex;
  align-items:flex-end;
}
.showcase-main img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  opacity:.62;
}
.showcase-main .overlay{
  position:relative;
  z-index:2;
  padding:28px;
  background:linear-gradient(0deg,rgba(6,10,20,.94),rgba(6,10,20,.15));
  width:100%;
}
.showcase-main h3{font-size:1.25rem;margin-bottom:8px;}
.showcase-main p{font-size:.9375rem;color:var(--text);max-width:420px;}
.showcase-side{display:grid;gap:24px;}
.mini-panel{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 16px 38px rgba(0,0,0,.32);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.mini-panel:hover{
  transform:translateY(-4px);
  border-color:rgba(124,108,255,.42);
}
.mini-panel i{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:rgba(52,198,244,.12);
  color:var(--primary);
  margin-bottom:14px;
}
.mini-panel h4{font-size:1.0625rem;margin-bottom:8px;}
.mini-panel p{font-size:.9375rem;color:var(--text);}

/* ---------- Delivery / scenarios ---------- */
.deliver-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:24px;
}
.deliver-card{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:0 18px 42px rgba(0,0,0,.34);
}
.deliver-card h3{font-size:1.25rem;margin-bottom:18px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed rgba(140,180,255,.12);
  font-size:.9375rem;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--primary);margin-top:5px;font-size:.875rem;}
.check-list strong{color:var(--title);font-weight:500;}
.check-list span{color:var(--muted);font-size:.8125rem;display:block;}

/* ---------- Stats ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:0 18px 44px rgba(0,0,0,.34);
}
.stat{text-align:left;}
.stat .num{
  font-family:"Inter",monospace;
  font-size:clamp(1.75rem,3vw,2.4rem);
  font-weight:700;
  color:var(--title);
  line-height:1.15;
  letter-spacing:-.02em;
}
.stat .num small{font-size:.875rem;color:var(--primary);margin-left:4px;font-family:"Noto Sans TC",sans-serif;}
.stat .label{font-size:.8125rem;color:var(--muted);margin-top:6px;}
.stat-note{
  margin-top:16px;
  font-size:.75rem;
  color:var(--muted);
}

/* ---------- Quote cards ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:24px;
  margin-top:24px;
}
.quote-card{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius);
  padding:26px;
  position:relative;
}
.quote-card::before{
  content:"“";
  position:absolute;
  top:6px;right:20px;
  font-size:3.4rem;
  color:rgba(52,198,244,.18);
  line-height:1;
  font-family:Georgia,serif;
}
.quote-card p{font-size:1rem;color:var(--title);margin-bottom:16px;}
.quote-meta{font-size:.8125rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.faq-item[open]{
  border-color:rgba(52,198,244,.42);
  background:var(--glass-strong);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:1rem;
  font-weight:500;
  color:var(--title);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid rgba(52,198,244,.45);
  color:var(--primary);
  font-size:.875rem;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item[open] summary .plus{
  transform:rotate(45deg);
  background:rgba(52,198,244,.14);
}
.faq-item .faq-body{
  padding:0 24px 22px;
  font-size:.9375rem;
  color:var(--text);
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid rgba(52,198,244,.32);
  background:
    radial-gradient(520px 260px at 12% 0%,rgba(52,198,244,.22),transparent 70%),
    radial-gradient(520px 260px at 88% 100%,rgba(124,108,255,.2),transparent 70%),
    var(--glass);
  border-radius:var(--radius-lg);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.375rem,2.4vw,1.9rem);margin-bottom:10px;}
.cta-band p{font-size:.9375rem;color:var(--text);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.back-home{
  display:flex;
  justify-content:center;
  margin-top:32px;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.7),rgba(6,10,20,.96));
  padding-block:64px 32px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col h4{
  font-size:.9375rem;
  color:var(--title);
  margin-bottom:6px;
  letter-spacing:.02em;
}
.footer-col a,.footer-col span{
  font-size:.875rem;
  color:var(--muted);
  transition:color .25s var(--ease);
}
.footer-col a:hover{color:var(--primary);text-decoration:underline;}
.footer-brand p{
  font-size:.875rem;
  color:var(--muted);
  max-width:340px;
  margin-top:6px;
}
.footer-bottom{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  padding-top:28px;
  font-size:.8125rem;
  color:var(--muted);
  flex-wrap:wrap;
}
.footer-legal strong{color:var(--text);font-weight:500;}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;
  right:20px;
  bottom:20px;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:12px;
  z-index:50;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn{padding:12px 22px;font-size:.875rem;}
.to-top{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(10,17,32,.9);
  color:var(--title);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.to-top:hover{
  border-color:rgba(52,198,244,.55);
  color:var(--primary);
  transform:translateY(-2px);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:32px;}
  .nav-search{max-width:360px;}
  .nav-pill{padding:7px 11px;font-size:.8125rem;}
  .steps-layout{gap:36px;}
}
@media (max-width:991px){
  .container{padding-inline:24px;}
  .section{padding-block:72px;}
  .header-inner{min-height:64px;flex-wrap:wrap;gap:12px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cats{
    display:none;
    order:5;
    width:100%;
    margin-left:0;
    padding-bottom:14px;
    flex-wrap:wrap;
    gap:8px;
  }
  .site-header.open .nav-cats{display:flex;}
  .mobile-search{
    display:flex;
    align-items:center;
    gap:8px;
    width:100%;
    order:4;
    background:rgba(255,255,255,.045);
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    padding:6px 6px 6px 14px;
    margin-bottom:12px;
  }
  .mobile-search input{
    flex:1;min-width:0;border:0;background:transparent;color:var(--title);
    font-size:.875rem;padding:6px 0;
  }
  .mobile-search input:focus{outline:none;}
  .mobile-search i{color:var(--muted);font-size:.8125rem;}
  .mobile-search button{
    border:0;border-radius:10px;padding:7px 14px;font-size:.8125rem;
    color:#04121C;background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  }
  .hero{padding-block:64px 56px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);}
  .hero-sub{max-width:none;}
  .steps-layout{grid-template-columns:minmax(0,1fr);}
  .steps-intro{position:static;}
  .showcase{grid-template-columns:minmax(0,1fr);}
  .deliver-grid{grid-template-columns:minmax(0,1fr);}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .quote-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .anchor-strip{top:64px;}
  .cta-band{padding:32px;}
}
@media (max-width:767px){
  .section{padding-block:56px;}
  .hero{padding-block:48px;}
  .section-head{margin-bottom:32px;}
  .brand-text{font-size:1rem;}
  .stat-strip{grid-template-columns:minmax(0,1fr);padding:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;gap:10px;}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start;}
  .step{padding:20px;gap:14px;}
  .showcase-main{min-height:260px;}
}
@media (max-width:575px){
  .container{padding-inline:20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;min-height:48px;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;min-height:48px;}
  .float-cta{right:16px;bottom:16px;}
  .float-cta .btn{padding:0;width:52px;height:52px;border-radius:50%;font-size:1rem;}
  .float-cta .btn span{display:none;}
  .panel{padding:20px;}
  .stage-name{width:74px;font-size:.75rem;}
  .faq-item summary{padding:16px 18px;font-size:.9375rem;}
  .faq-item .faq-body{padding:0 18px 18px;}
  .deliver-card{padding:22px;}
  .quote-card{padding:22px;}
}

/* roulang page: category2 */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --glass:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --title:#EAF1FB;
  --text:#A6B6CE;
  --muted:#6E7F99;
  --line:rgba(140,180,255,.14);
  --line-strong:rgba(140,180,255,.28);
  --r-card:20px;
  --r-btn:999px;
  --r-input:14px;
  --r-img:16px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --shadow-btn:0 0 0 1px rgba(52,198,244,.4), 0 10px 30px rgba(52,198,244,.28);
  --section-y:96px;
  --gutter:32px;
  --maxw:1240px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(52,198,244,.16), transparent 62%),
    radial-gradient(760px 480px at 92% 8%, rgba(124,108,255,.14), transparent 64%),
    linear-gradient(rgba(140,180,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}

a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7fd9f9;}
img{max-width:100%;height:auto;display:block;}
h1,h2,h3,h4,h5{color:var(--title);letter-spacing:-.02em;line-height:1.25;margin:0 0 .6em;font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.15em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1;}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.94);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-top{
  display:grid;
  grid-template-columns:auto minmax(260px,1fr) auto;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--title);
  font-weight:700;
  font-size:1.02rem;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--title);}
.brand-mark{
  width:16px;height:16px;flex:0 0 16px;
  border-radius:5px;
  background:conic-gradient(from 210deg, var(--primary), var(--accent), var(--primary));
  box-shadow:0 0 0 1px rgba(52,198,244,.45), 0 0 18px rgba(52,198,244,.55);
  transform:rotate(12deg);
}
.brand-text{max-width:100%;overflow:hidden;text-overflow:ellipsis;}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  width:100%;
  max-width:500px;
  margin:0 auto;
  background:rgba(10,17,32,.85);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:5px 6px 5px 12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:rgba(52,198,244,.6);
  box-shadow:0 0 0 3px rgba(52,198,244,.16);
}
.nav-search svg{flex:0 0 16px;color:var(--muted);}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  color:var(--title);
  font-size:.9rem;
  padding:8px 4px;
  outline:none;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search button{
  flex:0 0 auto;
  border:0;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121c;
  font-size:.82rem;
  font-weight:700;
  padding:7px 16px;
  cursor:pointer;
  transition:filter .2s ease,transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px);}

.header-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-weight:700;
  font-size:.95rem;
  padding:12px 26px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121c;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{color:#04121c;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,198,244,.55),0 14px 36px rgba(52,198,244,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--line-strong);
  color:var(--title);
}
.btn-ghost:hover{color:var(--title);background:rgba(255,255,255,.07);border-color:rgba(52,198,244,.5);transform:translateY(-1px);}
.btn-sm{padding:9px 20px;font-size:.86rem;}

.nav-cats{
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 0 12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-pill{
  flex:0 0 auto;
  display:inline-block;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  font-size:.85rem;
  font-weight:500;
  transition:all .2s ease;
}
.nav-pill:hover{
  color:var(--title);
  border-color:rgba(52,198,244,.45);
  background:rgba(52,198,244,.1);
  transform:translateY(-1px);
}
.nav-pill.active{
  color:#04121c;
  font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-color:transparent;
  box-shadow:0 6px 20px rgba(52,198,244,.3);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--title);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ============ Page hero ============ */
.page-hero{
  position:relative;
  padding:calc(var(--section-y) - 26px) 0 var(--section-y);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(120deg, rgba(6,10,20,.94) 12%, rgba(6,10,20,.72) 58%, rgba(6,10,20,.9) 100%), url("/assets/images/backpic/back-2.jpg");
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:56px;
  align-items:center;
}
.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8rem;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb-line a{color:var(--muted);}
.breadcrumb-line a:hover{color:var(--primary);}
.breadcrumb-line span{opacity:.6;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--primary);
  border:1px solid rgba(52,198,244,.36);
  background:rgba(52,198,244,.09);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
  text-transform:uppercase;
}
h1.hero-title{
  font-size:clamp(2rem,4.2vw,3.1rem);
  line-height:1.25;
  margin-bottom:20px;
  max-width:19ch;
}
.hero-sub{
  font-size:1.125rem;
  color:var(--title);
  font-weight:500;
  margin-bottom:14px;
  max-width:32ch;
}
.hero-desc{
  color:var(--text);
  max-width:44ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  padding:18px;
  backdrop-filter:blur(14px);
}
.hero-frame{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid rgba(140,180,255,.2);
  background:#0A1120;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.68));
}
.tag-demo{
  position:absolute;
  top:10px;right:10px;
  z-index:2;
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.08em;
  color:#241503;
  background:var(--warm);
  border-radius:999px;
  padding:3px 10px;
}
.hero-timeline{
  position:absolute;
  left:14px;right:14px;bottom:14px;
  z-index:2;
}
.hero-timeline .bar{
  height:5px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  overflow:hidden;
}
.hero-timeline .bar i{
  display:block;
  height:100%;
  width:62%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.hero-timeline .ticks{
  display:flex;
  justify-content:space-between;
  font-size:.68rem;
  color:rgba(234,241,251,.72);
  margin-top:6px;
  font-family:"Inter",system-ui,sans-serif;
  letter-spacing:.02em;
}
.hero-card-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.78rem;
  color:var(--text);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:999px;
  padding:5px 12px;
}
.chip strong{color:var(--primary);font-weight:700;font-family:"Inter",system-ui,sans-serif;}

/* ============ Sections ============ */
.section{padding:var(--section-y) 0;position:relative;}
.section-alt{background:rgba(10,17,32,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px;}
.section-head p{color:var(--text);margin-bottom:0;}
.kicker{
  display:block;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--primary);
  margin-bottom:12px;
  text-transform:uppercase;
}

/* overview big image */
.overview-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:21/9;
  background:#0A1120;
}
.overview-media img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.overview-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,10,20,.86),rgba(6,10,20,.32) 64%,rgba(6,10,20,.7));
}
.overview-caption{
  position:absolute;
  left:clamp(18px,4vw,42px);
  bottom:clamp(18px,4vw,36px);
  right:clamp(18px,4vw,42px);
  z-index:2;
  max-width:34ch;
}
.overview-caption h3{font-size:1.25rem;margin-bottom:8px;}
.overview-caption p{color:var(--text);margin:0;font-size:.95rem;}

.overview-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:24px;
}
.stat-card{
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  padding:20px 22px;
}
.stat-card b{
  display:block;
  font-family:"Inter",system-ui,sans-serif;
  font-size:1.6rem;
  color:var(--title);
  letter-spacing:-.02em;
  line-height:1.2;
  margin-bottom:4px;
}
.stat-card span{font-size:.86rem;color:var(--muted);}

/* alternating rows */
.zig{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.zig:last-child{border-bottom:0;}
.zig-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
  background:#0A1120;
}
.zig-media img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.zig-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.02),rgba(6,10,20,.42));
}
.zig-body h3{font-size:1.25rem;margin-bottom:12px;}
.zig-body p{color:var(--text);margin-bottom:18px;}
.zig-body.reverse{order:2;}
.zig-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.zig-list li{
  position:relative;
  padding-left:26px;
  font-size:.95rem;
  color:var(--text);
}
.zig-list li::before{
  content:"";
  position:absolute;
  left:4px;top:.62em;
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,198,244,.65);
}
.zig-index{
  font-family:"Inter",system-ui,sans-serif;
  font-size:.8rem;
  letter-spacing:.2em;
  color:var(--muted);
  margin-bottom:10px;
  display:block;
}

/* delivery list: asymmetric */
.deliver-grid{
  display:grid;
  grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  gap:48px;
  align-items:start;
}
.deliver-side{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  padding:28px;
  position:sticky;
  top:96px;
}
.deliver-side h3{font-size:1.25rem;margin-bottom:10px;}
.deliver-side p{font-size:.94rem;color:var(--text);margin-bottom:18px;}
.deliver-side .btn{width:100%;}
.deliver-rows{display:grid;gap:14px;}
.deliver-row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:18px;
  align-items:start;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.022);
  padding:20px 22px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.deliver-row:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(255,255,255,.045);
}
.deliver-row .num{
  font-family:"Inter",system-ui,sans-serif;
  font-weight:700;
  font-size:1.05rem;
  color:var(--primary);
  letter-spacing:.02em;
}
.deliver-row h4{font-size:1rem;margin-bottom:6px;}
.deliver-row p{font-size:.92rem;color:var(--text);margin-bottom:10px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:.74rem;
  color:var(--text);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 10px;
  background:rgba(255,255,255,.03);
}
.tag-accent{color:#bcd6ff;border-color:rgba(124,108,255,.4);background:rgba(124,108,255,.12);}

/* suited teams */
.team-list{display:grid;gap:0;border-top:1px solid var(--line);}
.team-item{
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:28px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.team-item h4{font-size:1.05rem;margin:0;color:var(--title);}
.team-item p{margin:0;font-size:.95rem;color:var(--text);}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--glass);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(52,198,244,.42);background:rgba(52,198,244,.06);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  color:var(--title);
  font-weight:500;
  font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  flex:0 0 22px;
  width:22px;height:22px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .25s ease,border-color .25s ease;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-item summary .sign::before{left:5px;right:5px;top:50%;height:2px;transform:translateY(-50%);}
.faq-item summary .sign::after{top:5px;bottom:5px;left:50%;width:2px;transform:translateX(-50%);transition:opacity .25s ease;}
.faq-item[open] summary .sign{transform:rotate(45deg);border-color:rgba(52,198,244,.6);}
.faq-item .faq-answer{
  padding:0 24px 22px;
  color:var(--text);
  font-size:.95rem;
}
.faq-item .faq-answer p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  border-radius:var(--r-card);
  border:1px solid rgba(52,198,244,.35);
  background:linear-gradient(135deg,rgba(52,198,244,.16),rgba(124,108,255,.14)),var(--glass);
  box-shadow:var(--shadow-card);
  padding:clamp(28px,4vw,48px);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:10px;}
.cta-band p{margin:0;color:var(--text);max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

.back-home{
  display:flex;
  justify-content:center;
  margin-top:36px;
}
.back-home a{
  font-size:.9rem;
  color:var(--muted);
  border-bottom:1px dashed var(--line-strong);
  padding-bottom:2px;
}
.back-home a:hover{color:var(--primary);border-color:var(--primary);}

/* ============ Footer ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(6,10,20,.9);
  padding:64px 0 32px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-col h4{
  font-size:.9rem;
  letter-spacing:.06em;
  color:var(--title);
  margin-bottom:16px;
}
.footer-col a,
.footer-col span{
  display:block;
  font-size:.9rem;
  color:var(--text);
  margin-bottom:10px;
  line-height:1.7;
}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer-brand p{font-size:.9rem;color:var(--muted);max-width:34ch;margin-top:14px;}
.footer-brand .brand{margin-bottom:4px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:16px;
  font-size:.8rem;
  color:var(--muted);
}
.footer-legal{line-height:1.8;max-width:76ch;}
.footer-legal strong{color:var(--text);font-weight:500;}

/* floating cta */
.float-cta{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:50;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .main{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121c;
  font-weight:700;
  font-size:.9rem;
  padding:13px 22px;
  border-radius:999px;
  box-shadow:var(--shadow-btn);
}
.float-cta .main:hover{color:#04121c;filter:brightness(1.08);}
.float-cta .top{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(10,17,32,.92);
  color:var(--title);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:border-color .2s ease,transform .2s ease;
}
.float-cta .top:hover{border-color:var(--primary);transform:translateY(-2px);}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  :root{--section-y:84px;--gutter:28px;}
  .header-top{grid-template-columns:auto minmax(220px,1fr) auto;gap:14px;}
  .nav-search{max-width:420px;}
  .hero-grid{gap:40px;}
  .zig{gap:40px;}
  .deliver-grid{gap:32px;}
}

@media (max-width:991.98px){
  :root{--section-y:72px;}
  .header-top{min-height:64px;grid-template-columns:auto 1fr auto;}
  .nav-search{
    grid-column:1 / -1;
    max-width:100%;
    order:3;
    margin:0 0 12px;
  }
  .site-header .header-top{row-gap:0;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  h1.hero-title{max-width:100%;}
  .hero-card{order:2;}
  .overview-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .zig{grid-template-columns:minmax(0,1fr);gap:26px;padding:36px 0;}
  .zig-body.reverse{order:0;}
  .deliver-grid{grid-template-columns:minmax(0,1fr);}
  .deliver-side{position:static;}
  .team-item{grid-template-columns:160px minmax(0,1fr);gap:20px;}
  .cta-band{grid-template-columns:minmax(0,1fr);gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767.98px){
  :root{--section-y:60px;--gutter:20px;}
  body{font-size:1rem;}
  .overview-media{aspect-ratio:16/10;}
  .overview-stats{grid-template-columns:1fr;gap:10px;}
  .stat-card{display:flex;align-items:baseline;gap:12px;padding:16px 18px;}
  .stat-card b{font-size:1.3rem;margin-bottom:0;}
  .team-item{grid-template-columns:minmax(0,1fr);gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn{flex:1 1 auto;}
}

@media (max-width:575.98px){
  .brand-text{font-size:.92rem;}
  .nav-pill{font-size:.8rem;padding:6px 12px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;min-height:48px;}
  .faq-item summary{padding:16px 18px;font-size:.95rem;}
  .faq-item .faq-answer{padding:0 18px 18px;}
  .float-cta{right:16px;bottom:16px;}
  .float-cta .main{
    width:48px;height:48px;
    padding:0;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:0;
  }
  .float-cta .main::before{
    content:"洽";
    font-size:1rem;
    font-weight:700;
  }
  .deliver-row{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --glass:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --text:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7F99;
  --line:rgba(140,180,255,.14);
  --line-strong:rgba(140,180,255,.28);
  --radius:20px;
  --radius-sm:14px;
  --radius-btn:999px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --glow:0 0 0 1px rgba(52,198,244,.4), 0 10px 30px rgba(52,198,244,.28);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{background-color:var(--bg);scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  min-height:100vh;
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text);
  background:transparent;
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -10%, rgba(52,198,244,.16), transparent 62%),
    radial-gradient(760px 480px at 92% 2%, rgba(124,108,255,.15), transparent 60%),
    radial-gradient(circle at 1px 1px, rgba(140,180,255,.07) 1px, transparent 0);
  background-size:auto, auto, 46px 46px;
}
img{max-width:100%;display:block;border-radius:16px;}
a{color:inherit;text-decoration:none;transition:color .22s ease, opacity .22s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(52,198,244,.32);color:#fff;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.94);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:14px;
  height:14px;
  border-radius:5px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 3px rgba(52,198,244,.14), 0 0 18px rgba(52,198,244,.7);
  transform:rotate(45deg);
  flex:0 0 auto;
}
.brand-text{
  font-size:1.0625rem;
  white-space:nowrap;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 480px;
  max-width:520px;
  min-width:220px;
  padding:6px 8px 6px 14px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.nav-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(52,198,244,.16);
  background:rgba(255,255,255,.07);
}
.nav-search svg{flex:0 0 auto;color:var(--text-3);}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:.9375rem;
  padding:6px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;}
.nav-search button{
  flex:0 0 auto;
  border:0;
  border-radius:10px;
  padding:7px 16px;
  font-size:.875rem;
  font-weight:700;
  color:#04121C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  cursor:pointer;
  transition:filter .2s ease, transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.nav-cats{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:flex-end;
  flex-wrap:nowrap;
  overflow:hidden;
}
.nav-pill{
  display:inline-block;
  padding:7px 13px;
  font-size:.875rem;
  color:var(--text-2);
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .22s ease, background .22s ease, border-color .22s ease;
}
.nav-pill:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
  border-color:var(--line);
}
.nav-pill.active{
  color:var(--primary);
  background:rgba(52,198,244,.12);
  border-color:rgba(52,198,244,.42);
  box-shadow:0 0 18px rgba(52,198,244,.16);
}
.nav-cta{
  flex:0 0 auto;
  padding:10px 20px;
  font-size:.875rem;
  font-weight:700;
  color:#04121C;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--glow);
  transition:filter .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121C;}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text);
  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);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(2,6,14,.68);
  backdrop-filter:blur(4px);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
  z-index:120;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(340px,86vw);
  padding:24px 24px 32px;
  background:linear-gradient(180deg,#0B1526,#070C18);
  border-left:1px solid var(--line);
  box-shadow:-20px 0 60px rgba(0,0,0,.6);
  transform:translateX(104%);
  transition:transform .32s cubic-bezier(.4,.1,.2,1);
  z-index:130;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:1.25rem;
  line-height:1;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:.9375rem;
  color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer-nav a.active{
  color:var(--primary);
  background:rgba(52,198,244,.1);
  border-color:rgba(52,198,244,.36);
}
.drawer-search{
  display:flex;
  gap:8px;
  padding:6px 8px 6px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.045);
}
.drawer-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:.9375rem;
  padding:8px 0;
}
.drawer-search input:focus{outline:none;}
.drawer-search button{
  border:0;
  border-radius:10px;
  padding:7px 14px;
  font-weight:700;
  font-size:.8125rem;
  color:#04121C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  cursor:pointer;
}

/* ---------- buttons ---------- */
.btn-primary-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:15px 30px;
  font-size:1rem;
  font-weight:700;
  color:#04121C;
  border:0;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--glow);
  cursor:pointer;
  transition:filter .22s ease, transform .22s ease, box-shadow .22s ease;
}
.btn-primary-c:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,198,244,.55), 0 14px 38px rgba(52,198,244,.38);
  color:#04121C;
}
.btn-primary-c:active{transform:translateY(0);}
.btn-ghost-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:1rem;
  font-weight:500;
  color:var(--text);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.035);
  transition:border-color .22s ease, background .22s ease, transform .22s ease;
}
.btn-ghost-c:hover{
  border-color:rgba(52,198,244,.55);
  background:rgba(52,198,244,.09);
  color:var(--text);
  transform:translateY(-1px);
}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.07);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--primary);
  border:1px solid rgba(52,198,244,.34);
  border-radius:var(--radius-btn);
  background:rgba(52,198,244,.08);
  white-space:nowrap;
}
.tag--violet{color:#B9B2FF;border-color:rgba(124,108,255,.4);background:rgba(124,108,255,.1);}
.tag--warm{color:var(--warm);border-color:rgba(255,179,92,.42);background:rgba(255,179,92,.1);}
.tag--muted{color:var(--text-3);border-color:var(--line);background:rgba(255,255,255,.03);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:88px 0 72px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg, rgba(6,10,20,.62), rgba(6,10,20,.94)), url("/assets/images/backpic/back-1.jpg");
  background-size:cover;
  background-position:center;
  opacity:.5;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 320px at 18% 12%, rgba(52,198,244,.24), transparent 66%),
    radial-gradient(540px 300px at 84% 22%, rgba(124,108,255,.22), transparent 68%);
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2rem,4.2vw,3.1rem);
  line-height:1.25;
  letter-spacing:-.02em;
  font-weight:700;
  margin:14px 0 18px;
}
.hero h1 .hl{
  color:var(--primary);
  text-shadow:0 0 26px rgba(52,198,244,.45);
}
.hero-sub{
  font-size:1.125rem;
  color:var(--text-2);
  max-width:36em;
  margin:0 0 14px;
}
.hero-desc{
  font-size:.9875rem;
  color:var(--text-3);
  max-width:36em;
  margin:0 0 30px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.hero-card{
  padding:26px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  position:relative;
}
.hero-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.hero-card-title{
  font-size:1.0625rem;
  font-weight:700;
  margin:0;
}
.progress-track{
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
  margin:6px 0 10px;
}
.progress-fill{
  height:100%;
  width:62%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 18px rgba(52,198,244,.6);
}
.hero-card-meta{
  display:flex;
  justify-content:space-between;
  font-size:.8125rem;
  color:var(--text-3);
  margin-bottom:18px;
}
.hero-steps{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.hero-steps li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:.875rem;
  color:var(--text-2);
  padding:10px 12px;
  border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(140,180,255,.09);
}
.hero-steps li i{
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(52,198,244,.8);
}
.corner-flag{
  position:absolute;
  top:14px;
  right:14px;
  font-size:.6875rem;
  letter-spacing:.08em;
  padding:3px 9px;
  border-radius:999px;
  color:var(--warm);
  border:1px solid rgba(255,179,92,.45);
  background:rgba(255,179,92,.12);
}

/* ---------- section heads ---------- */
.section-head{max-width:44rem;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.35;
  letter-spacing:-.02em;
  font-weight:700;
  margin:14px 0 14px;
}
.section-head p{
  color:var(--text-2);
  margin:0;
  font-size:1rem;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  letter-spacing:.16em;
  color:var(--primary);
  text-transform:uppercase;
  font-family:"Inter",sans-serif;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  padding-left:46px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:14px;
  top:10px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg, rgba(52,198,244,.76), rgba(124,108,255,.4) 55%, rgba(124,108,255,0));
}
.tl-item{
  position:relative;
  margin-bottom:22px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:-46px;
  top:24px;
  width:30px;
  height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-family:"Inter",sans-serif;
  font-size:.75rem;
  font-weight:700;
  color:#04121C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 4px rgba(6,10,20,.9), 0 0 22px rgba(52,198,244,.6);
}
.tl-card{
  padding:24px 26px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:rgba(52,198,244,.42);
  box-shadow:0 24px 54px rgba(0,0,0,.5), 0 0 0 1px rgba(52,198,244,.16);
}
.tl-head{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.tl-head h3{
  margin:0;
  font-size:1.25rem;
  font-weight:700;
  letter-spacing:-.01em;
}
.tl-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.tl-list li{
  position:relative;
  padding-left:20px;
  font-size:.9375rem;
  color:var(--text-2);
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:6px;
  height:6px;
  border-radius:2px;
  transform:rotate(45deg);
  background:rgba(52,198,244,.85);
  box-shadow:0 0 10px rgba(52,198,244,.6);
}

/* ---------- split ---------- */
.split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:52px;
  align-items:center;
  margin-bottom:64px;
}
.split:last-child{margin-bottom:0;}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--bg-soft);
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  aspect-ratio:16/10;
  filter:saturate(.92) brightness(.9);
}
.split-media .corner-flag{top:12px;right:12px;}
.split-body h3{
  font-size:1.375rem;
  font-weight:700;
  letter-spacing:-.01em;
  margin:12px 0 12px;
}
.split-body p{
  color:var(--text-2);
  margin:0 0 18px;
  font-size:1rem;
}
.check-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.check-list li{
  display:flex;
  gap:10px;
  font-size:.9375rem;
  color:var(--text-2);
}
.check-list li::before{
  content:"✓";
  flex:0 0 auto;
  width:22px;
  height:22px;
  margin-top:4px;
  display:grid;
  place-items:center;
  font-size:.75rem;
  font-weight:700;
  color:var(--primary);
  border-radius:7px;
  border:1px solid rgba(52,198,244,.4);
  background:rgba(52,198,244,.1);
}

/* ---------- stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
  margin-bottom:36px;
}
.stat{
  padding:24px 22px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease, border-color .24s ease;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(52,198,244,.4);}
.stat-num{
  font-family:"Inter",sans-serif;
  font-size:2.125rem;
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.03em;
  color:var(--text);
  background:linear-gradient(135deg,#fff,var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-label{
  font-size:.875rem;
  color:var(--text-3);
  margin-top:8px;
}
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--gap);
}
.quote-card{
  padding:26px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  border-left:3px solid rgba(52,198,244,.7);
  box-shadow:var(--shadow-soft);
  font-size:.9375rem;
  color:var(--text-2);
}
.quote-card strong{
  display:block;
  margin-top:14px;
  font-size:.8125rem;
  color:var(--text-3);
  font-weight:500;
}

/* ---------- audience tags ---------- */
.tag-wall{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.tag-wall span{
  padding:10px 18px;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .22s ease, color .22s ease, transform .22s ease;
}
.tag-wall span:hover{
  color:var(--text);
  border-color:rgba(52,198,244,.5);
  transform:translateY(-2px);
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:border-color .24s ease, box-shadow .24s ease;
}
.faq-item.open{
  border-color:rgba(52,198,244,.42);
  box-shadow:0 20px 46px rgba(0,0,0,.45), 0 0 0 1px rgba(52,198,244,.16);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:1rem;
  font-weight:500;
  text-align:left;
  cursor:pointer;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  font-size:1rem;
  line-height:1;
  color:var(--primary);
  transition:transform .28s ease, background .22s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:rgba(52,198,244,.14);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a p{
  margin:0;
  padding:0 24px 22px;
  color:var(--text-3);
  font-size:.9375rem;
  line-height:1.85;
}

/* ---------- cta band ---------- */
.cta-band{
  padding:44px;
  border-radius:26px;
  background:
    radial-gradient(520px 240px at 12% 0%, rgba(52,198,244,.2), transparent 64%),
    radial-gradient(460px 220px at 88% 100%, rgba(124,108,255,.2), transparent 62%),
    var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(1.4rem,2.4vw,1.9rem);
  letter-spacing:-.02em;
  font-weight:700;
  margin:0 0 10px;
}
.cta-band p{
  margin:0;
  color:var(--text-2);
  font-size:.9375rem;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- back link ---------- */
.back-row{
  display:flex;
  justify-content:center;
  margin-top:56px;
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:10px;
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:700;
  color:#04121C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--glow);
  transition:filter .2s ease, transform .2s ease;
}
.float-main:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121C;}
.float-top{
  width:48px;
  height:48px;
  border-radius:50%;
  display:grid;
  place-items:center;
  border:1px solid var(--line-strong);
  background:rgba(10,17,32,.92);
  color:var(--text);
  cursor:pointer;
  transition:border-color .22s ease, color .22s ease, transform .22s ease;
}
.float-top:hover{border-color:rgba(52,198,244,.6);color:var(--primary);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  padding:72px 0 36px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,17,32,.55), rgba(6,10,20,.95));
  position:relative;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{
  margin:16px 0 0;
  color:var(--text-3);
  font-size:.9375rem;
  max-width:30em;
}
.footer-col h4{
  font-size:.875rem;
  letter-spacing:.08em;
  color:var(--text-3);
  font-weight:500;
  margin:0 0 16px;
  text-transform:uppercase;
  font-family:"Inter",sans-serif;
}
.footer-col a,
.footer-col span{
  display:block;
  font-size:.9375rem;
  color:var(--text-2);
  margin-bottom:10px;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:var(--text-3);
}
.footer-legal strong{color:var(--text-2);font-weight:500;}
.footer-legal{max-width:62ch;line-height:1.8;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding-left:28px;padding-right:28px;}
  .nav-search{max-width:380px;flex:1 1 300px;}
  .nav-pill{padding:7px 10px;font-size:.8125rem;}
  .hero-grid{gap:40px;}
  .split{gap:38px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .header-inner{
    flex-wrap:wrap;
    min-height:64px;
    padding:10px 0;
    gap:10px 14px;
  }
  .brand-text{font-size:1rem;}
  .nav-search{
    order:5;
    flex:1 1 100%;
    max-width:none;
    min-width:0;
    width:100%;
  }
  .nav-cats,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:60px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-card{max-width:560px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:26px;margin-bottom:48px;}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-band{padding:32px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:54px 0;}
  .hero h1{font-size:clamp(1.75rem,7vw,2.25rem);}
  .hero-sub{font-size:1rem;}
  .hero-actions{gap:12px;}
  .btn-primary-c,.btn-ghost-c{flex:1 1 100%;}
  .timeline{padding-left:38px;}
  .timeline::before{left:12px;}
  .tl-dot{left:-38px;width:26px;height:26px;font-size:.6875rem;}
  .tl-card{padding:20px;}
  .stats{grid-template-columns:1fr 1fr;gap:14px;}
  .stat{padding:18px 16px;}
  .stat-num{font-size:1.75rem;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:12px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px;}
  .cta-actions{width:100%;}
  .quote-grid{gap:16px;}
  .faq-q{padding:16px 18px;font-size:.9375rem;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:575px){
  .float-cta{right:16px;bottom:16px;gap:8px;}
  .float-main{
    width:56px;
    height:56px;
    padding:0;
    border-radius:50%;
    display:grid;
    place-items:center;
  }
  .float-main span{display:none;}
  .float-top{width:44px;height:44px;}
  .stats{grid-template-columns:1fr;}
  .tag-wall span{font-size:.875rem;padding:8px 14px;}
  .hero-card{padding:20px;}
  .brand-text{font-size:.9375rem;}
}

/* roulang page: category4 */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --text:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7F99;
  --stroke:rgba(140,180,255,.14);
  --stroke-strong:rgba(140,180,255,.28);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-soft:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  --r-card:20px;
  --r-btn:999px;
  --r-img:16px;
  --r-input:14px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(52,198,244,.4),0 10px 30px rgba(52,198,244,.28);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text-2);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(52,198,244,.15), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(124,108,255,.13), transparent 64%),
    linear-gradient(rgba(140,180,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--text);letter-spacing:-.02em;line-height:1.25;margin:0}
h1{font-size:clamp(2rem,4.2vw,3.2rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1.1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.16em;color:var(--primary);text-transform:uppercase;margin-bottom:14px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);font-size:.95rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,filter .18s ease}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-deep));color:#04121e;font-weight:700;box-shadow:var(--shadow-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,198,244,.55),0 14px 36px rgba(52,198,244,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--stroke-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(52,198,244,.1);border-color:rgba(52,198,244,.5);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(6,10,20,.72);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid var(--stroke);transition:background-color .25s ease}
.site-header.is-scrolled{background:rgba(6,10,20,.94)}
.header-bar{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{position:relative;width:22px;height:22px;border-radius:7px;background:conic-gradient(from 140deg,var(--primary),var(--accent),var(--primary));box-shadow:0 0 18px rgba(52,198,244,.55)}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:#060A14}
.brand-text{font-size:1rem;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:-.01em}
.nav-search{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:460px;padding:5px 5px 5px 14px;background:rgba(255,255,255,.045);border:1px solid var(--stroke);border-radius:var(--r-input);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:rgba(52,198,244,.55);box-shadow:0 0 0 3px rgba(52,198,244,.12)}
.nav-search svg{flex-shrink:0;color:var(--text-3)}
.nav-search input{flex:1 1 auto;min-width:0;padding:6px 0;border:0;background:transparent;color:var(--text);font-size:.9rem}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none}
.nav-search-btn{height:34px;padding:0 16px;border:0;border-radius:10px;background:linear-gradient(120deg,var(--primary),var(--primary-deep));color:#04121e;font-size:.82rem;font-weight:700;cursor:pointer;transition:filter .2s ease}
.nav-search-btn:hover{filter:brightness(1.1)}
.nav-cats{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;margin-left:auto}
.nav-pill{display:inline-flex;align-items:center;height:34px;padding:0 12px;border:1px solid transparent;border-radius:999px;color:var(--text-2);font-size:.82rem;white-space:nowrap;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
.nav-pill:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke)}
.nav-pill.active{color:var(--primary);background:rgba(52,198,244,.12);border-color:rgba(52,198,244,.42)}
.nav-cta{height:40px;padding:0 18px;font-size:.86rem;flex-shrink:0}
@media (max-width:1199px){
  .header-bar{flex-wrap:wrap;height:auto;padding:12px 0;row-gap:12px}
  .brand{order:1}
  .nav-cta{order:2;margin-left:auto}
  .nav-cats{order:3;flex:1 1 100%;margin-left:0;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
  .nav-cats::-webkit-scrollbar{display:none}
  .nav-search{order:4;flex:1 1 100%;max-width:none}
}
@media (max-width:575px){
  .container{padding:0 20px}
  .brand-text{font-size:.92rem}
  .nav-cta{display:none}
}

/* ===== Hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:64px 0 72px;border-bottom:1px solid var(--stroke)}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;opacity:.26}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.6) 0%,rgba(6,10,20,.86) 55%,var(--bg) 96%)}
.cat-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-3);margin-bottom:24px;flex-wrap:wrap}
.crumbs a{color:var(--text-3);transition:color .2s ease}
.crumbs a:hover{color:var(--primary)}
.crumbs span{color:var(--text-3)}
.cat-hero h1{max-width:20ch;margin-bottom:18px}
.cat-hero .lede{max-width:62ch;font-size:1.05rem;color:var(--text-2);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics div{display:flex;align-items:baseline;gap:10px;padding:14px 20px;background:var(--glass);border:1px solid var(--stroke);border-radius:16px;box-shadow:var(--shadow-card)}
.hero-metrics strong{font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:700;color:var(--text);line-height:1}
.hero-metrics span{font-size:.84rem;color:var(--text-3)}
@media (max-width:575px){
  .cat-hero{padding:44px 0 52px}
  .hero-actions .btn{width:100%;height:48px}
  .hero-metrics div{flex:1 1 100%}
}

/* ===== Case grid ===== */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.case-card{display:block;padding:16px;background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.case-card:hover{transform:translateY(-4px);border-color:rgba(52,198,244,.35);box-shadow:0 26px 60px rgba(0,0,0,.55)}
.case-card:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.case-card:nth-child(1){grid-column:span 7}
.case-card:nth-child(2){grid-column:span 5}
.case-card:nth-child(3){grid-column:span 5}
.case-card:nth-child(4){grid-column:span 7}
.case-card:nth-child(5){grid-column:span 7}
.case-card:nth-child(6){grid-column:span 5}
.case-media{position:relative;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--stroke);background:var(--bg-soft)}
.case-card:nth-child(1) .case-media,
.case-card:nth-child(4) .case-media,
.case-card:nth-child(5) .case-media{aspect-ratio:16/9}
.case-card:nth-child(2) .case-media,
.case-card:nth-child(3) .case-media,
.case-card:nth-child(6) .case-media{aspect-ratio:4/3}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,0) 42%,rgba(6,10,20,.74) 100%)}
.case-cat{position:absolute;left:14px;top:14px;z-index:2;padding:5px 11px;border-radius:999px;background:rgba(6,10,20,.66);border:1px solid rgba(52,198,244,.42);color:var(--primary);font-size:.72rem;letter-spacing:.04em;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.case-mark{position:absolute;right:14px;top:14px;z-index:2;padding:4px 9px;border-radius:8px;background:rgba(255,179,92,.16);border:1px solid rgba(255,179,92,.45);color:var(--warm);font-size:.7rem;letter-spacing:.06em}
.case-body{padding:16px 8px 6px}
.case-body h3{font-size:1.06rem;margin-bottom:8px}
.case-body p{margin:0;font-size:.93rem;line-height:1.75;color:var(--text-3)}
@media (max-width:991px){
  .case-card:nth-child(n){grid-column:span 6}
  .case-card:nth-child(n) .case-media{aspect-ratio:16/10}
}
@media (max-width:767px){
  .case-card:nth-child(n){grid-column:span 12}
  .case-card:nth-child(n) .case-media{aspect-ratio:16/9}
}

/* ===== Metrics strip ===== */
.metrics-strip{padding:0}
.metrics-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden}
.metric{padding:28px;border-right:1px solid var(--stroke)}
.metric:last-child{border-right:0}
.metric-num{display:block;font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;font-size:clamp(1.8rem,3vw,2.4rem);font-weight:700;color:var(--text);line-height:1.1;margin-bottom:8px}
.metric-label{font-size:.9rem;color:var(--text-3)}
@media (max-width:991px){
  .metrics-bar{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--stroke)}
}
@media (max-width:575px){
  .metrics-bar{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--stroke);padding:22px}
  .metric:last-child{border-bottom:0}
}

/* ===== Delivery list ===== */
.deliver-list{display:flex;flex-direction:column;gap:14px}
.deliver-row{display:grid;grid-template-columns:88px minmax(0,1fr) auto;align-items:center;gap:24px;padding:26px 28px;background:var(--glass-soft);border:1px solid var(--stroke);border-radius:var(--r-card);transition:border-color .22s ease,background-color .22s ease,transform .22s ease}
.deliver-row:hover{border-color:rgba(124,108,255,.4);transform:translateX(4px)}
.deliver-idx{font-family:"Inter",ui-monospace,monospace;font-size:1.5rem;font-weight:700;color:rgba(52,198,244,.55);letter-spacing:.02em}
.deliver-main h3{font-size:1.1rem;margin-bottom:6px}
.deliver-main p{margin:0;font-size:.94rem;color:var(--text-3);line-height:1.7}
.deliver-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.chip{padding:5px 12px;border-radius:999px;border:1px solid var(--stroke-strong);color:var(--text-2);font-size:.76rem;white-space:nowrap}
.chip.chip-accent{border-color:rgba(124,108,255,.45);color:#B9B0FF}
@media (max-width:991px){
  .deliver-row{grid-template-columns:64px minmax(0,1fr);}
  .deliver-tags{grid-column:2;justify-content:flex-start}
}
@media (max-width:575px){
  .deliver-row{grid-template-columns:1fr;gap:12px;padding:22px 20px}
  .deliver-tags{grid-column:1}
}

/* ===== Process note ===== */
.split{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:start}
.split h2{margin-bottom:16px}
.split .side-note{font-size:.94rem;color:var(--text-3);line-height:1.8}
.check-list{display:flex;flex-direction:column;gap:16px}
.check-item{display:flex;gap:16px;padding:20px 22px;background:var(--glass-soft);border:1px solid var(--stroke);border-radius:16px;transition:border-color .2s ease}
.check-item:hover{border-color:rgba(52,198,244,.32)}
.check-item .dot{flex-shrink:0;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(52,198,244,.14);border:1px solid rgba(52,198,244,.4);color:var(--primary);font-size:.8rem;font-weight:700}
.check-item h4{margin:0 0 4px;font-size:1rem;color:var(--text)}
.check-item p{margin:0;font-size:.92rem;color:var(--text-3);line-height:1.7}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:28px}
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--glass);border:1px solid var(--stroke);border-radius:16px;overflow:hidden;transition:border-color .22s ease}
.faq-item:hover{border-color:rgba(52,198,244,.28)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;color:var(--text);font-weight:500;font-size:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex-shrink:0;color:var(--primary);font-size:1.35rem;line-height:1;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{border-color:rgba(52,198,244,.36)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:.95rem;line-height:1.85}
.faq-body p{margin:0}
@media (max-width:575px){
  .faq-item summary{padding:18px 18px;font-size:.95rem}
  .faq-body{padding:0 18px 18px}
}

/* ===== CTA band ===== */
.cta-band{padding:0 0 96px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 48px;background:var(--glass);border:1px solid rgba(52,198,244,.28);border-radius:24px;box-shadow:0 0 0 1px rgba(52,198,244,.12),0 24px 60px rgba(0,0,0,.5)}
.cta-inner h2{margin-bottom:10px}
.cta-inner p{margin:0;color:var(--text-2);font-size:.98rem}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}
@media (max-width:991px){
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .cta-band{padding-bottom:72px}
}
@media (max-width:575px){
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%;height:48px}
}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--stroke);background:rgba(10,17,32,.6);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--stroke)}
.footer-col h4{font-size:.92rem;margin-bottom:18px;color:var(--text);letter-spacing:.02em}
.footer-col a,.footer-col span{display:block;font-size:.9rem;color:var(--text-3);margin-bottom:11px;transition:color .2s ease}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:.9rem;color:var(--text-3);line-height:1.85;margin:0;max-width:34ch}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:28px;flex-wrap:wrap}
.footer-legal{font-size:.8rem;color:var(--text-3);line-height:1.9}
.footer-legal strong{color:var(--text-2);font-weight:500}
.footer-bottom > div:last-child{font-size:.8rem;color:var(--text-3)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:52px 0 28px}
}

/* roulang page: category5 */
:root{
  --bg:#060A14;
  --bg-soft:#0A1120;
  --glass:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  --primary:#34C6F4;
  --primary-deep:#1C86D8;
  --accent:#7C6CFF;
  --warm:#FFB35C;
  --text:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6E7F99;
  --line:rgba(140,180,255,.14);
  --line-strong:rgba(140,180,255,.28);
  --r-card:20px;
  --r-btn:999px;
  --r-input:14px;
  --r-img:16px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(52,198,244,.4), 0 10px 30px rgba(52,198,244,.28);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 82% -10%, rgba(124,108,255,.16), transparent 62%),
    radial-gradient(780px 540px at 4% 2%, rgba(52,198,244,.13), transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.3;color:var(--text);}
h1{font-size:clamp(2rem,4.2vw,3.2rem);line-height:1.25;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
h3{font-size:1.25rem;line-height:1.45;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:32px;}

.sec{padding:88px 0;position:relative;}
.sec-tight{padding:56px 0;}
.sec-soft{background:linear-gradient(180deg, rgba(10,17,32,0), rgba(10,17,32,.72) 18%, rgba(10,17,32,.72) 82%, rgba(10,17,32,0));}

.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{margin-bottom:14px;}
.lead{color:var(--text-2);font-size:1.0625rem;max-width:64ch;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8125rem;letter-spacing:.16em;color:var(--primary);
  margin-bottom:14px;font-weight:500;
}
.eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}

.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,20,.74);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.94);box-shadow:0 14px 34px rgba(0,0,0,.45);}
.header-row{display:flex;align-items:center;gap:20px;height:72px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:22px;height:22px;border-radius:8px;position:relative;flex:0 0 auto;
  background:conic-gradient(from 210deg,var(--primary),var(--accent),var(--primary));
  box-shadow:0 0 18px rgba(52,198,244,.55);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:50%;
  background:#060A14;opacity:.6;
}
.brand-text{font-weight:700;font-size:1.0625rem;letter-spacing:-.02em;white-space:nowrap;}

.nav-search{
  flex:1 1 320px;min-width:0;max-width:520px;
  display:flex;align-items:center;gap:10px;height:44px;
  padding:0 6px 0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-search:focus-within{
  border-color:rgba(52,198,244,.55);
  background:rgba(52,198,244,.06);
  box-shadow:0 0 0 3px rgba(52,198,244,.14);
}
.nav-search svg{flex:0 0 auto;opacity:.65;}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:.9375rem;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;height:32px;padding:0 16px;border:0;border-radius:999px;
  font-size:.8125rem;font-weight:700;letter-spacing:.02em;
  color:#03121b;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),#7BE4FF);
  transition:filter .2s ease, transform .2s ease;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);}

.nav-cats{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-pill{
  flex:0 0 auto;padding:8px 14px;border-radius:999px;
  font-size:.875rem;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:color .2s ease, background .2s ease, border-color .2s ease;
}
.nav-pill:hover{color:var(--text);background:rgba(255,255,255,.06);border-color:var(--line);}
.nav-pill.active{
  color:#03121b;font-weight:700;
  background:linear-gradient(135deg,var(--primary),#7BE4FF);
  box-shadow:0 8px 22px rgba(52,198,244,.28);
}

.nav-cta{flex:0 0 auto;height:40px;padding:0 20px;font-size:.875rem;}

.nav-toggle{
  display:none;flex:0 0 auto;width:42px;height:42px;
  align-items:center;justify-content:center;gap:4px;flex-direction:column;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:12px;cursor:pointer;transition:.2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  padding:16px 0 22px;
  background:rgba(6,10,20,.98);
}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-cats{flex-direction:column;align-items:stretch;overflow:visible;gap:8px;}
.mobile-panel .nav-pill{padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.04);border-color:var(--line);}
.mobile-panel .nav-pill.active{background:linear-gradient(135deg,var(--primary),#7BE4FF);}
.mobile-panel .btn{margin-top:14px;width:100%;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease, box-shadow .25s ease, filter .2s ease, background .2s ease, border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#6FE0FF);
  color:#03121b;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,198,244,.55), 0 16px 38px rgba(52,198,244,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(52,198,244,.5);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:76px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(6,10,20,.80) 0%, rgba(6,10,20,.90) 52%, var(--bg) 100%),
    url(/assets/images/backpic/back-2.jpg);
  background-size:cover, cover;
  background-position:center, center;
  background-repeat:no-repeat;
}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--text-3);transition:color .2s ease;}
.breadcrumb-line a:hover{color:var(--primary);}
.breadcrumb-line .sep{opacity:.5;}
.breadcrumb-line .now{color:var(--text-2);}

.tag-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:.8125rem;font-weight:600;letter-spacing:.06em;
  color:var(--primary);
  border:1px solid rgba(52,198,244,.38);
  background:rgba(52,198,244,.09);
  margin-bottom:20px;
}
.cat-hero h1{max-width:18ch;margin-bottom:18px;}
.cat-hero .sub{color:var(--text-2);font-size:1.0625rem;max-width:56ch;margin-bottom:26px;}

.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:.875rem;color:var(--text-2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
}
.fact strong{color:var(--text);font-weight:700;font-family:"Inter",monospace;}

/* ---------- Chip strip ---------- */
.chip-strip{padding:26px 0;border-bottom:1px solid var(--line);background:rgba(10,17,32,.5);}
.chip-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.chip-label{font-size:.8125rem;letter-spacing:.14em;color:var(--text-3);margin-right:6px;}
.chip{
  padding:8px 16px;border-radius:999px;
  font-size:.875rem;color:var(--text-2);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover{color:var(--text);background:rgba(52,198,244,.12);border-color:rgba(52,198,244,.5);transform:translateY(-1px);}

/* ---------- FAQ layout ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);
  gap:28px;align-items:start;
}
.faq-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:26px;}
.faq-group{margin:0;}
.faq-group-title{
  position:relative;padding-left:14px;
  font-size:1rem;font-weight:700;color:var(--text);
  margin:0 0 14px;letter-spacing:.01em;
}
.faq-group-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,198,244,.6);
}
.faq-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease, transform .2s ease, box-shadow .25s ease;
}
.faq-card:hover{border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.35);}
.faq-card summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;
  font-size:.9688rem;font-weight:500;color:var(--text);line-height:1.6;
}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;margin-top:2px;position:relative;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-card[open] .faq-icon{transform:rotate(45deg);}
.faq-card[open]{border-color:rgba(52,198,244,.42);background:linear-gradient(160deg, rgba(52,198,244,.10), rgba(255,255,255,.02));}
.faq-answer{padding:0 20px 18px;color:var(--text-2);font-size:.9375rem;line-height:1.85;}
.faq-answer p{margin-bottom:.8em;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- Contact card ---------- */
.contact-card{
  position:sticky;top:96px;
  padding:28px;
}
.tag-warm{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  color:#2A1A05;
  background:linear-gradient(135deg,var(--warm),#FFD59B);
  margin-bottom:16px;
}
.contact-card h2{font-size:1.375rem;margin-bottom:12px;}
.contact-card > p{color:var(--text-2);font-size:.9375rem;margin-bottom:22px;}
.cform{display:flex;flex-direction:column;gap:6px;}
.cform label{font-size:.8125rem;color:var(--text-3);letter-spacing:.06em;margin-top:8px;}
.cform input,.cform textarea{
  width:100%;
  padding:12px 14px;
  background:rgba(4,9,18,.72);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);
  font-size:.9375rem;line-height:1.6;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.cform input::placeholder,.cform textarea::placeholder{color:var(--text-3);}
.cform input:focus,.cform textarea:focus{
  border-color:rgba(52,198,244,.6);
  background:rgba(52,198,244,.05);
  box-shadow:0 0 0 3px rgba(52,198,244,.16);
}
.cform textarea{resize:vertical;min-height:104px;}
.cform .btn{margin-top:18px;}
.form-note{font-size:.75rem;color:var(--text-3);line-height:1.75;margin-top:14px;}
.form-note.is-ok{color:var(--primary);}

/* ---------- Process split ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.split h2{margin-bottom:16px;}
.split .lead{margin-bottom:26px;}
.step-list{display:flex;flex-direction:column;gap:14px;}
.step-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:16px;
  transition:border-color .2s ease, transform .2s ease, background .2s ease;
}
.step-list li:hover{border-color:rgba(52,198,244,.4);background:rgba(52,198,244,.07);transform:translateY(-2px);}
.step-num{
  flex:0 0 auto;
  font-family:"Inter",monospace;font-size:.9375rem;font-weight:700;
  color:var(--primary);
  padding-top:2px;
  min-width:26px;
}
.step-list h3{font-size:1rem;margin-bottom:4px;}
.step-list p{color:var(--text-2);font-size:.9375rem;line-height:1.75;margin:0;}

.split-media{margin:0;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.split-media figcaption{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;font-size:.8125rem;color:var(--text-3);
}
.tag-demo{
  display:inline-flex;align-items:center;
  padding:2px 9px;border-radius:6px;
  font-size:.6875rem;font-weight:700;letter-spacing:.08em;
  color:#2A1A05;background:var(--warm);
}

/* ---------- Not found banner ---------- */
.notfound{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:30px 32px;
  background:linear-gradient(135deg, rgba(124,108,255,.14), rgba(52,198,244,.07));
  border:1px dashed rgba(140,180,255,.32);
  border-radius:var(--r-card);
}
.notfound h3{font-size:1.125rem;margin-bottom:6px;}
.notfound p{color:var(--text-2);font-size:.9375rem;margin:0;}

/* ---------- Final CTA ---------- */
.final-cta{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;
  background:linear-gradient(135deg, rgba(52,198,244,.14), rgba(124,108,255,.10));
  border:1px solid rgba(140,180,255,.24);
  border-radius:24px;
  box-shadow:var(--shadow);
}
.final-cta h2{font-size:clamp(1.35rem,2.4vw,1.75rem);margin-bottom:8px;}
.final-cta p{color:var(--text-2);font-size:.9375rem;margin:0;}
.final-cta .actions{display:flex;gap:12px;flex-wrap:wrap;}
.back-home{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:.875rem;color:var(--text-3);transition:color .2s ease;}
.back-home:hover{color:var(--primary);}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:20px;bottom:20px;z-index:50;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease, transform .3s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 22px;border-radius:999px;
  font-size:.9375rem;font-weight:700;color:#03121b;
  background:linear-gradient(135deg,var(--primary),#6FE0FF);
  box-shadow:var(--shadow-glow);
  transition:filter .2s ease, transform .2s ease;
}
.float-main:hover{filter:brightness(1.08);transform:translateY(-1px);}
.float-top{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(10,17,32,.9);
  border:1px solid var(--line-strong);
  color:var(--text-2);cursor:pointer;
  transition:.2s ease;
}
.float-top:hover{color:var(--primary);border-color:rgba(52,198,244,.55);transform:translateY(-1px);}

/* ---------- Footer ---------- */
.site-footer{
  background:rgba(8,13,25,.92);
  border-top:1px solid var(--line);
  padding:72px 0 32px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr .85fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:.9375rem;line-height:1.85;max-width:36ch;}
.footer-col h4{font-size:.9375rem;margin:0 0 16px;color:var(--text);letter-spacing:.02em;}
.footer-col a,.footer-col span{
  display:block;color:var(--text-2);font-size:.9375rem;
  margin-bottom:10px;transition:color .2s ease;
}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  color:var(--text-3);font-size:.8125rem;line-height:1.85;
}
.footer-legal strong{color:var(--text-2);font-weight:600;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-search{max-width:400px;}
  .split{gap:36px;}
}

@media (max-width:991.98px){
  .header-row{height:auto;flex-wrap:wrap;padding:10px 0 12px;gap:12px;}
  .brand{order:1;flex:1 1 auto;}
  .nav-toggle{order:2;display:inline-flex;}
  .nav-cta{display:none;}
  .nav-cats{display:none;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;}

  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .contact-card{position:static;top:auto;}
  .split{grid-template-columns:minmax(0,1fr);}
  .split-media{order:-1;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}

@media (max-width:767.98px){
  .container{padding-inline:20px;}
  .sec{padding:64px 0;}
  .sec-tight{padding:44px 0;}
  .cat-hero{padding:52px 0 44px;}
  .cat-hero h1{max-width:100%;}
  .faq-cols{grid-template-columns:minmax(0,1fr);gap:0;}
  .faq-col{gap:24px;}
  .final-cta{padding:28px 24px;}
  .notfound{padding:24px;}
}

@media (max-width:575.98px){
  body{font-size:1rem;}
  .sec{padding:48px 0;}
  .cat-hero{padding:40px 0 36px;}
  .hero-facts{gap:8px;}
  .fact{font-size:.8125rem;padding:7px 12px;}
  .btn{width:100%;height:48px;}
  .btn.btn-inline{width:auto;}
  .final-cta .actions{width:100%;flex-direction:column;}
  .float-main{width:52px;height:52px;padding:0;font-size:0;}
  .float-main::after{content:"預約";font-size:.8125rem;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;gap:12px;}
}