/* roulang page: index */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(232,184,75,.28);
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px -24px rgba(0,0,0,.85);
  --shadow-glow:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-hi);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:600;letter-spacing:-.01em;}
::selection{background:rgba(232,184,75,.28);color:#fff;}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:104px 0;border-top:1px solid var(--line);}
.section--tight{padding:80px 0;}
.section--alt{background:var(--ink-900);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head .head-text{max-width:720px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--soy-300);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--soy-500);
  display:inline-block;
}
h2.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.section-sub{margin-top:14px;color:var(--text-mid);font-size:15px;max-width:720px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,16,23,.76);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  color:var(--text-hi);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.brand .dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.14);
  flex:none;
}
.brand:hover{color:var(--soy-300);}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:14.5px;
  letter-spacing:.02em;
  color:var(--text-mid);
  border-radius:var(--radius-pill);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--text-hi);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:10px;right:10px;
  bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--soy-500);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--soy-500);
  color:#0B1017;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(232,184,75,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--soy-300);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(232,184,75,.08);border-color:var(--soy-500);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--soy-500);
  font-size:15px;
  font-weight:600;
  background:none;
  border:none;
  padding:0;
  transition:color .2s var(--ease);
}
.btn-text .arw{transition:transform .2s var(--ease);}
.btn-text:hover{color:var(--soy-300);}
.btn-text:hover .arw{transform:translateX(4px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.nav-ghost{height:38px;padding:0 20px;font-size:14px;display:inline-flex;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--text-hi);
}
.nav-toggle span{
  display:block;
  width:17px;height:1.5px;
  background:currentColor;
  position:relative;
  transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:17px;height:1.5px;
  background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* mobile drawer */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(8,11,16,.98);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  display:flex;
  flex-direction:column;
  padding:20px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:52px;}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:transparent;
  color:var(--text-hi);
  font-size:20px;
  line-height:1;
}
.drawer-nav{margin-top:24px;display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 4px;
  font-size:20px;
  color:var(--text-hi);
  border-bottom:1px solid var(--line);
}
.drawer-nav a .dotmark{
  width:7px;height:7px;border-radius:50%;
  background:var(--soy-500);
  opacity:0;
}
.drawer-nav a.is-active .dotmark{opacity:1;}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:132px 0 0;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-140px;right:-80px;
  width:760px;height:760px;
  background:radial-gradient(circle at center,rgba(232,184,75,.12),rgba(232,184,75,0) 62%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:220px;left:-160px;
  width:620px;height:620px;
  background:radial-gradient(circle at center,rgba(88,207,198,.08),rgba(88,207,198,0) 66%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 16px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:13px;
  color:var(--soy-300);
  letter-spacing:.02em;
  margin-bottom:26px;
}
.hero-badge i{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan-400);
  display:inline-block;
  animation:breathe 2.6s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:.35;transform:scale(.85);}
  50%{opacity:1;transform:scale(1.15);}
}
h1.hero-title{
  font-size:clamp(34px,5vw,60px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:15em;
}
h1.hero-title em{
  font-style:normal;
  color:var(--soy-500);
}
.hero-sub{
  margin-top:22px;
  max-width:600px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-mid);
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:12px 34px;
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.trust-item{
  display:flex;
  align-items:baseline;
  gap:8px;
  font-size:14px;
  color:var(--text-low);
}
.trust-item b{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:600;
  color:var(--soy-300);
  letter-spacing:.02em;
}
.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
  background:var(--ink-700);
}
.hero-visual img{
  width:100%;height:100%;
  object-fit:cover;
  transform:scale(1.01);
  transition:transform .5s var(--ease);
}
.hero-visual:hover img{transform:scale(1.04);}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 50% 42%,rgba(11,16,23,0) 30%,rgba(11,16,23,.62) 100%),
    linear-gradient(180deg,rgba(11,16,23,.12),rgba(11,16,23,.82));
  pointer-events:none;
}
.hero-card{
  position:absolute;
  left:22px;right:22px;bottom:22px;
  z-index:2;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:16px 18px;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.16) inset;
}
.glass-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:14px;
}
.glass-row:last-of-type{border-bottom:none;}
.glass-row span{color:var(--text-mid);}
.glass-row strong{color:var(--text-hi);font-weight:600;font-size:15px;}
.hero-card .chip{margin-top:12px;}
.hero-scroll{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:44px;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  color:var(--text-low);
  font-size:13px;
  letter-spacing:.06em;
}
.hero-scroll .arrow{
  display:inline-flex;
  width:22px;height:22px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--soy-300);
  font-size:12px;
}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:13px;
  line-height:1.6;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  color:var(--text-mid);
  background:rgba(255,255,255,.02);
  white-space:nowrap;
}
.chip-cyan{border-color:rgba(88,207,198,.36);color:var(--cyan-400);}
.chip-soy{border-color:var(--line-strong);color:var(--soy-300);}
.chip-rust{border-color:rgba(192,90,62,.4);color:#E08870;}
.chip-rust::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--rust-500);
  display:inline-block;
}

/* ---------- stats bar ---------- */
.stats-wrap{
  position:relative;
  z-index:3;
  margin-top:-8px;
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,0 18px 48px -24px rgba(0,0,0,.9);
  overflow:hidden;
}
.stat{
  padding:30px 28px;
  border-right:1px solid rgba(255,255,255,.1);
}
.stat:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(32px,4vw,48px);
  font-weight:600;
  line-height:1.1;
  color:var(--soy-500);
  letter-spacing:.01em;
  display:flex;
  align-items:baseline;
  gap:5px;
}
.stat-num small{font-size:14px;color:var(--text-mid);font-weight:400;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-mid);}

/* ---------- feature blocks ---------- */
.feature-large{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.feature-large:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.feature-large .fl-text{padding:44px;}
.feature-large h3{font-size:clamp(21px,2.2vw,26px);margin-bottom:14px;}
.feature-large p{color:var(--text-mid);font-size:15px;}
.feature-large .fl-media{
  position:relative;
  min-height:300px;
  background:var(--ink-700);
  overflow:hidden;
}
.feature-large .fl-media img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.feature-large:hover .fl-media img{transform:scale(1.04);}
.feature-large .fl-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,26,36,.75),rgba(18,26,36,0) 55%);
  pointer-events:none;
}
.line-list{margin-top:22px;display:grid;gap:0;}
.line-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;
  color:var(--text-mid);
}
.line-list li::before{
  content:"";
  flex:none;
  width:6px;height:6px;
  margin-top:9px;
  background:var(--cyan-400);
  border-radius:1px;
}
.feature-pair{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  margin-top:24px;
}
.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-card);
  transition:border-color .24s var(--ease),transform .24s var(--ease),background .24s var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.card h3{font-size:20px;margin-bottom:12px;}
.card p{color:var(--text-mid);font-size:14.5px;}
.card .btn-text{margin-top:auto;padding-top:22px;}

/* ---------- CMS list ---------- */
.post-list{display:grid;gap:0;border-top:1px solid var(--line);}
.post-row{
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  padding:26px 12px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding .2s var(--ease);
}
.post-row:hover{background:rgba(255,255,255,.03);}
.post-title{
  font-size:18px;
  font-weight:600;
  color:var(--text-hi);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s var(--ease);
}
.post-row:hover .post-title{color:var(--soy-300);}
.post-excerpt{
  margin-top:8px;
  font-size:14px;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:760px;
}
.post-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.post-meta time{font-size:13.5px;color:var(--text-low);font-family:var(--font-num);}
.post-arrow{
  width:30px;height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--soy-300);
  font-size:13px;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.post-row:hover .post-arrow{background:rgba(232,184,75,.12);border-color:var(--line-strong);transform:translateX(3px);}
.empty-tip{
  padding:56px 24px;
  text-align:center;
  color:var(--text-low);
  font-size:15px;
  border-bottom:1px solid var(--line);
}

/* ---------- works ---------- */
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.work-card{
  position:relative;
  display:block;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--ink-700);
  box-shadow:var(--shadow-card);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.work-card:hover{border-color:rgba(232,184,75,.45);transform:translateY(-2px);}
.work-card img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.work-card:hover img{transform:scale(1.04);}
.work-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,23,0) 34%,rgba(11,16,23,.86) 100%);
}
.work-caption{
  position:absolute;
  left:28px;right:28px;bottom:26px;
  z-index:2;
}
.work-caption h3{font-size:21px;margin-bottom:8px;}
.work-caption p{font-size:13.5px;color:var(--text-mid);}

/* ---------- timeline ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
  padding-top:34px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:5px;left:6px;right:6px;
  height:1px;
  background:linear-gradient(90deg,rgba(88,207,198,.5),rgba(255,255,255,.08));
}
.tl-step{position:relative;padding-top:22px;}
.tl-step::before{
  content:"";
  position:absolute;
  top:-34px;left:0;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--cyan-400);
  box-shadow:0 0 0 4px rgba(88,207,198,.14);
  transform:translateY(0);
}
.tl-num{
  font-family:var(--font-num);
  font-size:26px;
  color:var(--soy-500);
  font-weight:600;
  letter-spacing:.02em;
  display:block;
  margin-bottom:10px;
}
.tl-step h4{font-size:17px;margin-bottom:10px;}
.tl-step p{font-size:14px;color:var(--text-mid);}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.faq-intro p{margin-top:16px;color:var(--text-mid);font-size:15px;max-width:320px;}
.faq-list{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--text-hi);
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,255,255,.04);color:var(--soy-300);}
.faq-item summary .pm{
  flex:none;
  width:22px;height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line-strong);
  border-radius:50%;
  color:var(--soy-300);
  font-size:14px;
  line-height:1;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item[open] summary .pm{transform:rotate(45deg);background:rgba(232,184,75,.12);}
.faq-answer{
  padding:0 26px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-mid);
  max-width:820px;
}

/* ---------- contact / CTA ---------- */
.cta-section{
  position:relative;
  padding:104px 0;
  border-top:1px solid var(--line);
  background:var(--ink-900);
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  left:50%;top:-220px;
  transform:translateX(-50%);
  width:900px;height:620px;
  background:radial-gradient(circle at center,rgba(232,184,75,.12),rgba(232,184,75,0) 68%);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:start;
}
.cta-panel{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:36px;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,0 18px 48px -24px rgba(0,0,0,.9);
}
.cta-panel h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:12px;}
.cta-panel > p{color:var(--text-mid);font-size:15px;}
.form-grid{display:grid;gap:18px;margin-top:26px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;color:var(--text-mid);}
.field input,.field select,.field textarea{
  width:100%;
  background:var(--ink-700);
  border:1px solid var(--line);
  color:var(--text-hi);
  border-radius:10px;
  padding:0 14px;
  height:48px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-low);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--soy-500);
  outline:none;
  background:var(--ink-800);
}
.form-note{font-size:13px;color:var(--text-low);line-height:1.7;}
.cta-aside{display:grid;gap:0;margin-top:8px;}
.info-row{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  align-items:baseline;
}
.info-row dt{font-size:13.5px;color:var(--text-low);letter-spacing:.04em;}
.info-row dd{margin:0;font-size:15px;color:var(--text-hi);}
.info-row dd small{display:block;margin-top:4px;font-size:13px;color:var(--text-mid);}
.promise{
  margin-top:24px;
  padding:18px 20px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  font-size:14px;
  color:var(--soy-300);
  background:rgba(232,184,75,.06);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:50%;bottom:-320px;
  transform:translateX(-50%);
  width:900px;height:520px;
  background:radial-gradient(circle at center,rgba(232,184,75,.08),rgba(232,184,75,0) 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .brand{font-size:17px;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  color:var(--text-mid);
  max-width:330px;
  line-height:1.8;
}
.footer-col h4{
  font-size:14px;
  color:var(--text-hi);
  letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-mid);
  transition:color .2s var(--ease);
  position:relative;
}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:1px;
  background:var(--soy-300);
  transition:width .2s var(--ease);
}
.footer-col a:hover{color:var(--soy-300);}
.footer-col a:hover::after{width:100%;}
.footer-contact li{
  font-size:14px;
  color:var(--text-mid);
  display:grid;
  gap:3px;
  margin-bottom:14px;
}
.footer-contact li b{color:var(--text-hi);font-weight:600;font-size:13px;letter-spacing:.04em;}
.footer-bottom{
  position:relative;
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-low);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:var(--text-low);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--soy-300);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:6fr 5fr;gap:44px;}
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-ghost{display:none;}
  .hero{padding-top:112px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{aspect-ratio:16/10;}
  h1.hero-title{max-width:none;}
  .feature-large{grid-template-columns:1fr;}
  .feature-large .fl-media{min-height:260px;order:-1;}
  .feature-large .fl-media::after{background:linear-gradient(180deg,rgba(18,26,36,.1),rgba(18,26,36,.85));}
  .feature-pair{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-right:1px solid rgba(255,255,255,.1);}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1);}
  .timeline{grid-template-columns:1fr;gap:0;padding-top:8px;padding-left:26px;}
  .timeline::before{
    top:6px;bottom:6px;left:5px;right:auto;
    width:1px;height:auto;
    background:linear-gradient(180deg,rgba(88,207,198,.5),rgba(255,255,255,.08));
  }
  .tl-step{padding:0 0 28px 0;}
  .tl-step::before{top:8px;left:-26px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-intro p{max-width:none;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .work-grid{gap:20px;}
  .section{padding:80px 0;}
  .cta-section{padding:80px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .cta-section{padding:56px 0;}
  .site-header .nav{height:64px;}
  .brand{font-size:14.5px;}
  .hero{padding-top:96px;}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 auto;}
  .hero-trust{gap:12px 22px;}
  .hero-card{left:14px;right:14px;bottom:14px;padding:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .feature-large .fl-text{padding:28px;}
  .card{padding:26px;}
  .post-row{grid-template-columns:1fr;gap:14px;padding:22px 8px;}
  .post-meta{gap:12px;}
  .work-grid{grid-template-columns:1fr;}
  .work-caption{left:20px;right:20px;bottom:20px;}
  .faq-item summary{padding:18px 20px;font-size:15px;}
  .faq-answer{padding:0 20px 20px;}
  .cta-panel{padding:26px;}
  .info-row{grid-template-columns:82px 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .stats{border-radius:14px;}
  .stat{padding:22px 20px;}
}
@media (max-width:390px){
  body{font-size:15px;}
  h1.hero-title{font-size:31px;}
  .btn{height:46px;padding:0 22px;font-size:14px;}
  .stat-num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(232,184,75,.28);
  --ok:#4CC38A;
  --err:#E5645C;
  --radius-card:16px;
  --radius-card-lg:20px;
  --radius-btn:8px;
  --radius-field:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px -24px rgba(0,0,0,.8);
  --shadow-glow:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-hi);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:rgba(232,184,75,.28);color:#fff}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(8,11,16,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,16,23,.88);
  border-bottom-color:var(--line);
  box-shadow:0 12px 40px -28px rgba(0,0,0,.9);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text-hi);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.14);
  flex:none;
}
.brand:hover{color:var(--soy-300)}
.nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:999px;
  font-size:15px;letter-spacing:.02em;color:var(--text-mid);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--soy-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  cursor:pointer;
}
.btn-primary{background:var(--soy-500);color:#0B1017}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:var(--shadow-glow)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  background:transparent;color:var(--soy-300);
  border:1px solid var(--line-strong);
  height:42px;padding:0 20px;font-size:14px;
}
.btn-ghost:hover{background:rgba(232,184,75,.08);border-color:rgba(232,184,75,.5)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--soy-300);font-size:15px;font-weight:600;
  transition:color .2s var(--ease);
}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--soy-500)}
.btn-text:hover .arrow{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-hi);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-hi);
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(8,11,16,.98);
  backdrop-filter:blur(16px);
  display:none;flex-direction:column;
  padding:20px 24px 40px;
  overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-mid);
}
.drawer-nav{margin-top:24px;display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:20px;font-weight:600;color:var(--text-hi);
  border-bottom:1px solid var(--line);
}
.drawer-nav a .pin{width:6px;height:6px;border-radius:50%;background:var(--soy-500);opacity:0;transition:opacity .2s var(--ease)}
.drawer-nav a:hover .pin,.drawer-nav a:focus-visible .pin{opacity:1}
.drawer-cta{margin-top:28px}
.drawer-cta .btn{width:100%}

/* ============ 文章页 ============ */
.article-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background-color:var(--ink-900);
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(8,11,16,.72),rgba(8,11,16,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.85;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 60% at 18% 12%,rgba(232,184,75,.14),transparent 70%),
             radial-gradient(50% 50% at 88% 84%,rgba(88,207,198,.10),transparent 70%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;padding-top:36px;padding-bottom:52px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--text-low);
}
.breadcrumb a{color:var(--text-low);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--soy-300)}
.breadcrumb .sep{color:rgba(255,255,255,.18)}
.breadcrumb .current{color:var(--text-mid);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tags{display:flex;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;letter-spacing:.04em;line-height:1.6;
  border:1px solid rgba(88,207,198,.34);color:var(--cyan-400);
  background:rgba(88,207,198,.07);
}
.pill-soy{border-color:rgba(232,184,75,.4);color:var(--soy-300);background:rgba(232,184,75,.08)}
.pill-time{border-color:rgba(192,90,62,.42);color:#E29A82;background:rgba(192,90,62,.1)}
.pill-time::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rust-500)}
.article-title{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:22px;font-size:14px;color:var(--text-mid);
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:8px}
.article-meta .m-item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--soy-500);opacity:.8}
.article-meta .m-item:first-child::before{background:var(--rust-500)}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.article-hero-line{
  position:relative;z-index:2;
  height:1px;background:linear-gradient(90deg,rgba(232,184,75,.4),rgba(255,255,255,.04));
}

/* 正文布局 */
.article-main{padding:64px 0 88px;background:var(--ink-950)}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:56px;
  align-items:start;
}
.reading-col{max-width:760px;width:100%}
.prose{
  color:var(--text-mid);
  font-size:16px;line-height:1.9;
  word-break:break-word;
}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.2em;max-width:760px}
.prose h2{
  margin:52px 0 18px;
  font-size:clamp(23px,2.4vw,30px);line-height:1.35;font-weight:600;
  color:var(--text-hi);letter-spacing:-.005em;
  padding-left:16px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:3px;border-radius:2px;
  background:var(--soy-500);
}
.prose h3{
  margin:36px 0 14px;
  font-size:20px;line-height:1.45;font-weight:600;color:var(--text-hi);
}
.prose h4{margin:26px 0 10px;font-size:17px;font-weight:600;color:var(--soy-300)}
.prose strong{color:var(--text-hi);font-weight:600}
.prose a{color:var(--soy-300);border-bottom:1px solid rgba(244,216,148,.32);transition:color .2s var(--ease),border-color .2s var(--ease)}
.prose a:hover{color:var(--soy-500);border-bottom-color:var(--soy-500)}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:0}
.prose ul li,.prose ol li{
  position:relative;padding-left:24px;margin:8px 0;line-height:1.85;
}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--soy-500);
}
.prose ol{counter-reset:pcount}
.prose ol li{counter-increment:pcount}
.prose ol li::before{
  content:counter(pcount);
  position:absolute;left:0;top:.05em;
  font-family:var(--font-num);font-size:13px;font-weight:600;color:var(--soy-500);
  width:18px;text-align:left;
}
.prose blockquote{
  margin:30px 0;padding:20px 24px;
  background:var(--ink-800);
  border-left:3px solid var(--soy-500);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--text-hi);font-size:16px;line-height:1.85;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{
  width:100%;height:auto;border-radius:12px;margin:28px 0 10px;
  background:var(--ink-700);
}
.prose figure{margin:28px 0}
.prose figcaption{
  font-size:14px;color:var(--text-low);line-height:1.7;margin-top:10px;
}
.prose table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
}
.prose th,.prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.prose th{background:var(--ink-700);color:var(--text-hi);font-weight:600;font-size:14px;letter-spacing:.02em}
.prose tr:last-child td{border-bottom:0}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;background:var(--ink-700);color:var(--soy-300);
  padding:2px 6px;border-radius:6px;
}
.prose pre{
  background:var(--ink-950);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;overflow-x:auto;margin:26px 0;
  font-size:13px;line-height:1.8;
}
.prose pre code{background:none;padding:0;color:#CBD5E1}
.prose hr{border:0;height:1px;background:var(--line);margin:40px 0}

/* 空态 */
.empty-state{
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  background:var(--ink-800);
  padding:44px 28px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  min-height:200px;justify-content:center;
}
.empty-state .icon{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--soy-300);font-size:18px}
.empty-state p{color:var(--text-mid);font-size:15px}
.empty-state .btn{margin-top:6px}

/* 文末 */
.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--text-mid);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.tag:hover{color:var(--soy-300);border-color:var(--line-strong)}
.article-nav-rows{margin-top:26px;border-top:1px solid var(--line)}
.article-nav-rows a{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 2px;border-bottom:1px solid var(--line);
  color:var(--text-mid);font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.article-nav-rows a:hover{background:rgba(255,255,255,.03);color:var(--soy-300);padding-left:8px}
.article-nav-rows .row-label{font-size:13px;color:var(--text-low);flex:none;letter-spacing:.04em}
.article-nav-rows .row-text{flex:1;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-nav-rows .arrow{color:var(--soy-500);flex:none}
.back-row{margin-top:30px}

/* 侧栏 */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:15px;font-weight:600;color:var(--text-hi);
  letter-spacing:.04em;padding-bottom:14px;border-bottom:1px solid var(--line);
}
.side-list{margin-top:6px}
.side-list li a{
  display:block;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;color:var(--text-mid);line-height:1.6;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-list li:last-child a{border-bottom:0}
.side-list li a:hover{color:var(--soy-300);padding-left:6px}
.side-list .s-meta{display:block;font-size:12.5px;color:var(--text-low);margin-top:4px}
.side-card .btn-ghost{width:100%;margin-top:16px}
.side-note{
  font-size:13.5px;color:var(--text-low);line-height:1.8;
  border-top:1px solid var(--line);padding-top:14px;margin-top:4px;
}

/* 相关推荐 */
.related{padding:0 0 88px;background:var(--ink-950)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:32px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.3}
.section-head p{font-size:14px;color:var(--text-low);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,23,0) 40%,rgba(11,16,23,.8));
}
.rel-body{padding:18px 20px 22px}
.rel-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--text-hi);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .rel-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--text-low)}
.rel-body .rel-meta .d{width:5px;height:5px;border-radius:50%;background:var(--rust-500)}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--ink-900);
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(52% 120% at 22% 50%,rgba(232,184,75,.12),transparent 72%),
             radial-gradient(46% 110% at 82% 50%,rgba(88,207,198,.08),transparent 72%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.3}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--text-mid);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:220px;
  background:radial-gradient(60% 100% at 50% 0%,rgba(232,184,75,.07),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:var(--text-mid);max-width:340px}
.footer-col h4{
  font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--text-hi);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{
  font-size:14.5px;color:var(--text-mid);
  transition:color .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--soy-300)}
.footer-contact li{
  font-size:14px;color:var(--text-mid);line-height:1.75;
}
.footer-contact b{color:var(--soy-300);font-weight:600;margin-right:8px}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:22px;font-size:13.5px;color:var(--text-low);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .links a{color:var(--text-low);transition:color .2s var(--ease)}
.footer-bottom .links a:hover{color:var(--soy-300)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-grid{grid-template-columns:minmax(0,1fr) 264px;gap:40px}
  .nav-list{gap:0}
  .nav-link{padding:10px 10px;font-size:14.5px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-list{display:none}
  .nav-toggle{display:flex}
  .nav-ghost{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .side-col{display:none}
  .reading-col{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-main{padding:48px 0 64px}
  .related{padding-bottom:64px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav{height:64px}
  .brand{font-size:15px}
  .article-hero .container{padding-top:24px;padding-bottom:36px}
  .breadcrumb .current{max-width:200px}
  .article-meta{font-size:13.5px;gap:10px}
  .article-meta .divider{display:none}
  .article-main{padding:36px 0 56px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .cta-band{padding:48px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .prose h2{margin-top:40px}
  .btn{height:46px;padding:0 22px}
}
@media (max-width:430px){
  .article-title{font-size:clamp(26px,7.4vw,32px)}
  .pill{font-size:12px;padding:4px 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(232,184,75,.28);
  --success:#4CC38A;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:8px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px -24px rgba(0,0,0,.8);
  --shadow-soy:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:72px;
  background:var(--ink-950);
  color:var(--text-hi);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:72px;
  background:rgba(8,11,16,.55);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(11,16,23,.82);
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px) saturate(120%);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-hi);
  white-space:nowrap;min-height:44px;
}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--soy-500);box-shadow:0 0 0 4px rgba(232,184,75,.14)}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;letter-spacing:.02em;color:var(--text-mid);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:var(--soy-500);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;
  background:transparent;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:1.5px;background:var(--text-hi);
  transform:translateX(-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-.75px}
.nav-toggle span::before{content:"";left:0;transform:none;top:-6px}
.nav-toggle span::after{content:"";left:0;transform:none;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);background:var(--soy-500)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);background:var(--soy-500)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(8,11,16,.97);
  backdrop-filter:blur(18px);
  padding:24px 20px 48px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:20px;font-weight:600;color:var(--text-mid);
  border-bottom:1px solid var(--line);min-height:44px;
}
.drawer-link.is-active{color:var(--soy-300)}
.drawer-link.is-active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--soy-500)}
.drawer .btn{margin-top:24px;width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--soy-500);color:#0B1017;box-shadow:var(--shadow-soy)}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:0 14px 36px -8px rgba(232,184,75,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--soy-300)}
.btn-ghost:hover{background:rgba(232,184,75,.08);border-color:rgba(232,184,75,.45)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--soy-500);
  font-size:15px;font-weight:600;background:none;border:0;padding:6px 0;cursor:pointer;min-height:44px;
}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--soy-300)}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;border-top:1px solid var(--line)}
.section--tint{background:var(--ink-900)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:600;letter-spacing:-.01em}
.section-head p{color:var(--text-mid);font-size:15px;max-width:520px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;letter-spacing:.14em;color:var(--soy-300);text-transform:uppercase;font-family:var(--font-num);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--soy-500);display:block}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(88,207,198,.35);color:var(--cyan-400);
  font-size:12px;letter-spacing:.04em;
}
.tag--time{border-color:rgba(192,90,62,.4);color:#E08A72}
.tag--time::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rust-500);margin-right:8px}
.tag--soy{border-color:var(--line-strong);color:var(--soy-300)}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  background:
    radial-gradient(560px 320px at 12% 0%,rgba(232,184,75,.12),transparent 70%),
    radial-gradient(520px 300px at 88% 20%,rgba(88,207,198,.09),transparent 72%),
    var(--ink-950);
  border-bottom:1px solid var(--line);
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-low);margin-bottom:18px}
.breadcrumb a{color:var(--text-low);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--soy-300)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text-mid)}
.cat-hero-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:56px;align-items:center}
.cat-hero h1{
  font-size:clamp(34px,5vw,58px);line-height:1.18;font-weight:700;letter-spacing:-.01em;
  max-width:16em;
}
.cat-hero h1 em{font-style:normal;color:var(--soy-300)}
.cat-hero .lede{margin-top:20px;font-size:17px;color:var(--text-mid);max-width:620px}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-figure{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
  padding:14px;box-shadow:var(--shadow-card);
}
.hero-figure .frame{
  position:relative;overflow:hidden;border-radius:14px;background:var(--ink-700);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease)}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:13px;color:var(--text-low)}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
}
.stat{padding:28px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat .num{font-family:var(--font-num);font-size:clamp(34px,4vw,52px);line-height:1;font-weight:600;color:var(--soy-500)}
.stat .num small{font-size:14px;color:var(--text-low);margin-left:6px;font-weight:400}
.stat .label{margin-top:10px;font-size:14px;color:var(--text-mid)}

/* ---------- 行卡列表 ---------- */
.rowlist{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:76px 1fr 132px;gap:28px;align-items:start;
  padding:30px 12px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.row:hover{background:rgba(255,255,255,.03)}
.row-no{
  font-family:var(--font-num);font-size:30px;line-height:1.1;font-weight:600;
  color:var(--soy-500);letter-spacing:.02em;
}
.row-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text-hi)}
.row-body h3 a{transition:color .2s var(--ease)}
.row-body h3 a:hover{color:var(--soy-300);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.row-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-mid);max-width:640px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}
.row-meta .time{font-size:13px;color:var(--text-low);font-family:var(--font-num);letter-spacing:.04em}
.row-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;padding-top:4px}
.row-side .go{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:50%;color:var(--text-mid);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.row:hover .row-side .go{border-color:var(--line-strong);color:var(--soy-300);transform:translateX(2px)}

/* ---------- 节奏说明 ---------- */
.pace-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pace-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.pace-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.pace-card .step{font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--cyan-400)}
.pace-card h3{margin-top:14px;font-size:20px;font-weight:600}
.pace-card p{margin-top:10px;font-size:14px;color:var(--text-mid)}
.pace-card ul{margin-top:16px;display:grid;gap:10px}
.pace-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text-mid)}
.pace-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--soy-500);border-radius:2px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-intro p{color:var(--text-mid);font-size:15px;margin-top:14px;max-width:320px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--text-hi);min-height:44px;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--soy-300)}
.faq-item summary .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .2s var(--ease);
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--soy-500);border-radius:2px;
}
.faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-item summary .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--text-mid);max-width:820px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:
    radial-gradient(480px 220px at 8% 10%,rgba(232,184,75,.16),transparent 70%),
    radial-gradient(420px 220px at 92% 90%,rgba(88,207,198,.10),transparent 72%),
    var(--ink-800);
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;letter-spacing:-.01em}
.cta-band p{margin-top:10px;color:var(--text-mid);font-size:15px;max-width:520px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-900);padding:72px 0 32px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:50%;top:-160px;width:720px;height:320px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(232,184,75,.10),transparent 72%);pointer-events:none;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-mid);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-hi);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--soy-300)}
.footer-contact li{font-size:14px;color:var(--text-mid);line-height:1.9}
.footer-contact b{display:block;font-size:12px;letter-spacing:.06em;color:var(--text-low);font-weight:500}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:var(--text-low);transition:color .2s var(--ease)}
.footer-bottom .links a:hover{color:var(--soy-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .cat-hero-grid{grid-template-columns:1.3fr .9fr;gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-list,.nav-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .cat-hero{padding:56px 0 48px}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{max-width:520px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .row{grid-template-columns:60px 1fr 96px;gap:20px}
  .pace-grid{grid-template-columns:1fr 1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{padding-top:64px;font-size:16px}
  .site-header{height:64px}
  .nav{height:64px}
  .drawer{inset:64px 0 0 0}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .cat-hero{padding:44px 0 40px}
  .cat-hero .lede{font-size:16px}
  .cat-hero .hero-actions .btn{width:100%}
  .stat{padding:22px 18px}
  .row{grid-template-columns:1fr;gap:12px;padding:24px 4px}
  .row-no{font-size:22px}
  .row-side{flex-direction:row;align-items:center;justify-content:space-between;padding-top:0}
  .pace-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:18px 2px}
  .cta-band{padding:32px 22px;gap:20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:390px){
  .cat-hero h1{font-size:30px}
  .stat .num{font-size:30px}
  .brand{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:#FFFFFF14;
  --line-strong:#E8B84B47;
  --ok:#4CC38A;
  --warn:#E8B84B;
  --err:#E5645C;
  --radius-card:16px;
  --radius-card-lg:20px;
  --radius-btn:8px;
  --radius-pill:999px;
  --radius-input:10px;
  --shadow-card:0 1px 0 #FFFFFF0F inset, 0 18px 48px -24px #000000CC;
  --shadow-soy:0 10px 32px -8px #E8B84B73;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --sp-section:110px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-mid);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1.1em;max-width:750px;}
h1,h2,h3,h4{margin:0;color:var(--text-hi);font-weight:600;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-section) 0;border-top:1px solid var(--line);}
.section--alt{background:var(--ink-900);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--soy-300);
  text-transform:uppercase;font-family:var(--font-num);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan-400);}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.section-desc{color:var(--text-mid);font-size:15px;max-width:640px;margin-top:14px;}
.section-head{margin-bottom:48px;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,11,16,.55);
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),backdrop-filter var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,16,23,.78);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;gap:32px;height:72px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--text-hi);letter-spacing:.01em;
  white-space:nowrap;flex-shrink:0;
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.16);
}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;color:var(--text-mid);letter-spacing:.02em;
  border-radius:var(--radius-pill);
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:#FFFFFF0A;}
.nav-link.is-active{color:var(--text-hi);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--soy-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:1.5px;background:var(--text-hi);position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;left:0;}
.nav-toggle span::after{position:absolute;top:6px;left:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--soy-500);color:var(--ink-900);box-shadow:0 8px 24px -12px #E8B84B66;}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:var(--shadow-soy);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--soy-300);}
.btn-ghost:hover{background:#E8B84B14;color:var(--soy-300);}
.btn-ghost:active{transform:translateY(1px);}
.nav-ghost{height:40px;padding:0 20px;font-size:14px;}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:72px 0 0;z-index:75;
  background:rgba(8,11,16,.97);
  backdrop-filter:blur(16px);
  padding:24px 24px 48px;
  display:none;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:20px;color:var(--text-hi);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a .ml-dot{width:6px;height:6px;border-radius:50%;background:var(--soy-500);opacity:0;}
.mobile-drawer a.is-current .ml-dot{opacity:1;}
.drawer-cta{margin-top:28px;width:100%;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:96px 0 72px;
  border-bottom:1px solid var(--line);
  background:var(--ink-950);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 340px at 82% 12%, rgba(232,184,75,.13), transparent 68%),
    radial-gradient(520px 320px at 8% 88%, rgba(88,207,198,.10), transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;}
.hero-shell{display:grid;grid-template-columns:1.35fr .65fr;gap:56px;align-items:center;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-low);margin-bottom:16px;
}
.breadcrumb a{color:var(--text-low);transition:color var(--t) var(--ease);}
.breadcrumb a:hover{color:var(--soy-300);}
.breadcrumb .sep{color:#33404F;}
.breadcrumb .cur{color:var(--text-mid);}
.hero-title{
  font-size:clamp(34px,5vw,58px);line-height:1.18;font-weight:700;letter-spacing:-.01em;
  color:var(--text-hi);margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--soy-500);}
.hero-sub{font-size:17px;color:var(--text-mid);max-width:560px;line-height:1.85;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;border:1px solid var(--line);color:var(--text-mid);
  background:#FFFFFF05;
}
.tag--cyan{border-color:rgba(88,207,198,.42);color:#9CE4DE;}
.tag--rust{border-color:rgba(192,90,62,.45);color:#E09580;}
.tag--soy{border-color:var(--line-strong);color:var(--soy-300);}
.hero-aside{
  position:relative;
  border:1px solid var(--line);border-radius:var(--radius-card-lg);
  background:#FFFFFF0A;backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:26px 24px;box-shadow:var(--shadow-card);
}
.hero-aside::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.aside-line{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
.aside-line:last-of-type{border-bottom:none;}
.aside-line span{color:var(--text-low);}
.aside-line b{color:var(--text-hi);font-weight:600;font-family:var(--font-num);letter-spacing:.02em;}
.aside-pill{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--cyan-400);
  border:1px solid rgba(88,207,198,.35);border-radius:var(--radius-pill);padding:5px 12px;
}
.aside-pill .pulse{width:6px;height:6px;border-radius:50%;background:var(--cyan-400);animation:pulse 2.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}

/* ---------- cast grid ---------- */
.cast-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cast-card{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-800);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  box-shadow:var(--shadow-card);
}
.cast-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.cast-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--ink-700);}
.cast-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.cast-card:hover .cast-media img{transform:scale(1.04);}
.cast-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,23,0) 42%,rgba(11,16,23,.86) 100%);
}
.cast-index{
  position:absolute;top:14px;left:16px;z-index:2;
  font-family:var(--font-num);font-size:13px;letter-spacing:.1em;
  color:var(--soy-300);background:rgba(8,11,16,.6);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);padding:3px 10px;
}
.cast-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cast-name{font-size:21px;color:var(--text-hi);font-weight:600;display:flex;align-items:baseline;gap:10px;}
.cast-name small{font-size:13px;font-weight:400;color:var(--soy-300);letter-spacing:.04em;}
.cast-role{font-size:14px;color:var(--text-mid);line-height:1.7;}
.cast-attrs{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:8px;}
.attr-row{display:flex;align-items:flex-start;gap:14px;font-size:13.5px;}
.attr-row .k{color:var(--text-low);flex:0 0 62px;}
.attr-row .v{color:var(--text-mid);flex:1;}

/* ---------- relation list ---------- */
.rel-list{border-top:1px solid var(--line);}
.rel-row{
  display:grid;grid-template-columns:120px 1fr 150px 44px;
  align-items:center;gap:20px;
  padding:20px 8px;border-bottom:1px solid var(--line);
  transition:background var(--t) var(--ease);
}
.rel-row:hover{background:#FFFFFF05;}
.rel-name{font-size:17px;color:var(--text-hi);font-weight:600;font-family:var(--font-num),var(--font);}
.rel-desc{font-size:14.5px;color:var(--text-mid);margin:0;max-width:none;}
.rel-eps{font-size:13px;color:var(--soy-300);font-family:var(--font-num);letter-spacing:.04em;}
.rel-arrow{color:var(--text-low);text-align:right;transition:transform var(--t) var(--ease),color var(--t) var(--ease);}
.rel-row:hover .rel-arrow{transform:translateX(4px);color:var(--soy-300);}
.rel-head{display:grid;grid-template-columns:120px 1fr 150px 44px;gap:20px;padding:0 8px 12px;font-size:12px;letter-spacing:.08em;color:var(--text-low);}

/* ---------- split info ---------- */
.split-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.info-card{
  border:1px solid var(--line);border-radius:var(--radius-card-lg);
  background:var(--ink-800);padding:30px 30px 32px;box-shadow:var(--shadow-card);
}
.info-card h3{font-size:20px;margin-bottom:12px;}
.info-card p{font-size:15px;color:var(--text-mid);margin-bottom:18px;}
.tick-list{display:flex;flex-direction:column;gap:10px;}
.tick-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-mid);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:2px;background:var(--cyan-400);
}
.info-card--glass{
  background:#FFFFFF0A;border-color:#FFFFFF1F;
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.stat-inline{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px;}
.stat-inline div{border-top:1px solid var(--line);padding-top:14px;}
.stat-inline b{display:block;font-family:var(--font-num);font-size:38px;line-height:1.1;color:var(--soy-500);font-weight:600;}
.stat-inline span{font-size:13px;color:var(--text-low);}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-intro p{font-size:15px;color:var(--text-mid);max-width:340px;}
.faq{border-top:1px solid var(--line);max-width:820px;}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--text-hi);
  transition:color var(--t) var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--soy-300);}
.faq summary .plus{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform var(--t) var(--ease);
}
.faq summary .plus::before,.faq summary .plus::after{
  content:"";position:absolute;background:var(--soy-500);border-radius:2px;
}
.faq summary .plus::before{top:10px;left:2px;width:18px;height:2px;}
.faq summary .plus::after{top:2px;left:10px;width:2px;height:18px;}
.faq details[open] summary .plus{transform:rotate(45deg);}
.faq .answer{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--text-mid);max-width:760px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--ink-900);
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 260px at 50% 120%, rgba(232,184,75,.16), transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-inner p{margin:8px 0 0;font-size:15px;color:var(--text-mid);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-950);border-top:1px solid var(--line);padding:72px 0 28px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;left:50%;bottom:-260px;width:760px;height:420px;transform:translateX(-50%);
  background:radial-gradient(closest-side, rgba(232,184,75,.10), transparent 72%);
  pointer-events:none;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--text-low);margin-top:16px;max-width:340px;line-height:1.85;}
.footer-col h4{font-size:14px;color:var(--text-hi);letter-spacing:.06em;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-low);transition:color var(--t) var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--soy-300);}
.footer-contact li{font-size:13.5px;color:var(--text-low);line-height:1.7;}
.footer-contact b{display:block;color:var(--text-mid);font-weight:600;font-size:13px;}
.footer-bottom{
  position:relative;margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a{color:var(--text-low);transition:color var(--t) var(--ease);}
.footer-bottom .links a:hover{color:var(--soy-300);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-shell{grid-template-columns:1.2fr .8fr;gap:36px;}
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  :root{--sp-section:80px;}
  .nav-list{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-ghost{display:none;}
  .hero-shell{grid-template-columns:1fr;gap:32px;}
  .cast-grid{grid-template-columns:repeat(2,1fr);}
  .split-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rel-row,.rel-head{grid-template-columns:100px 1fr 120px 32px;gap:14px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .page-hero{padding:56px 0 48px;}
  .brand{font-size:15px;}
  .cast-grid{grid-template-columns:1fr;gap:18px;}
  .cast-card{border-radius:14px;}
  .cast-media{aspect-ratio:4/3;}
  .rel-head{display:none;}
  .rel-row{grid-template-columns:1fr;gap:6px;padding:18px 4px;}
  .rel-arrow{display:none;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .info-card{padding:24px 22px;}
  .stat-inline b{font-size:32px;}
}
@media (max-width:390px){
  .hero-title{font-size:30px;}
  .section-title{font-size:22px;}
  .faq summary{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.05);
  --line-strong:rgba(232,184,75,.28);
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:8px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px -24px rgba(0,0,0,.85);
  --shadow-btn:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-mid);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--text-hi);line-height:1.28;font-weight:600}
::selection{background:rgba(232,184,75,.28);color:#fff}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,11,16,.78);
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px) saturate(130%);
}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text-hi);
  white-space:nowrap;
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.14);
  flex:none;
}
.brand:hover{color:var(--soy-300)}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  margin-right:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--text-mid);
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--soy-300);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-2px;
  height:2px;
  background:var(--soy-500);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--soy-500);color:#0B1017;box-shadow:0 10px 32px -14px rgba(232,184,75,.7)}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:var(--shadow-btn)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--soy-300);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(232,184,75,.08);border-color:rgba(232,184,75,.5)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--soy-500);font-size:15px;font-weight:600;padding:4px 0;
}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--soy-300)}
.btn-text:hover .arrow{transform:translateX(4px)}
.nav-ghost{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;height:1.5px;
  background:var(--text-hi);
  border-radius:2px;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text-hi);border-radius:2px;
  transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(8,11,16,.97);
  backdrop-filter:blur(18px) saturate(130%);
  padding:24px 20px 40px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  display:flex;
  flex-direction:column;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-hi);
}
.drawer-list{display:flex;flex-direction:column}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;
  font-size:20px;
  color:var(--text-hi);
  border-bottom:1px solid var(--line-soft);
}
.drawer-list a .mark{
  width:7px;height:7px;border-radius:50%;background:var(--soy-500);opacity:0;
}
.drawer-list a.is-active .mark{opacity:1}
.drawer-list a.is-active{color:var(--soy-300)}
.drawer-cta{margin-top:auto;padding-top:28px}
.drawer-cta .btn{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
  background:var(--ink-950);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(8,11,16,.82),rgba(8,11,16,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:620px;height:620px;
  right:-180px;top:-260px;
  background:radial-gradient(circle,rgba(232,184,75,.14),rgba(232,184,75,0) 66%);
  pointer-events:none;
  z-index:0;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumbs{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-low);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumbs a:hover{color:var(--soy-300)}
.breadcrumbs .sep{color:var(--text-low);opacity:.6}
.breadcrumbs .current{color:var(--text-mid)}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--soy-500);
  margin-bottom:16px;
  font-family:var(--font-num);
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--soy-500);display:block}
.page-hero h1{
  font-size:clamp(34px,5vw,56px);
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:700;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--text-mid);
  max-width:600px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-deco{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:24px 24px 20px;
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  position:relative;
}
.hero-deco::before{
  content:"";
  position:absolute;left:24px;right:24px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.3),rgba(255,255,255,0));
}
.deco-title{
  font-size:12px;letter-spacing:.08em;color:var(--text-low);
  margin-bottom:14px;
}
.deco-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line-soft);
  font-size:14px;
}
.deco-row:first-of-type{border-top:0}
.deco-row dt{color:var(--text-low)}
.deco-row dd{margin:0;color:var(--text-hi);font-family:var(--font-num);font-weight:600}
.deco-tag{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;
  padding:6px 14px;
  border:1px solid rgba(88,207,198,.4);
  border-radius:999px;
  font-size:13px;
  color:var(--cyan-400);
}
.deco-tag i{width:6px;height:6px;border-radius:50%;background:var(--cyan-400);display:block;animation:breathe 2.6s var(--ease) infinite}
@keyframes breathe{0%,100%{opacity:.35;transform:scale(.85)}50%{opacity:1;transform:scale(1)}}

/* ---------- sections ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--line-soft)}
.section.alt{background:var(--ink-900)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:44px;
}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head .desc{
  max-width:460px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-low);
  margin-top:10px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  border:1px solid var(--line-strong);
  color:var(--soy-300);
  white-space:nowrap;
}
.badge.cyan{border-color:rgba(88,207,198,.4);color:var(--cyan-400)}
.badge.time{border-color:rgba(192,90,62,.45);color:#E08C74}
.badge.time::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rust-500);display:block}

/* ---------- split layout ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) 264px;
  gap:48px;
  align-items:start;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{
  border-color:var(--line-strong);
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--ink-700);
  overflow:hidden;
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,23,0) 40%,rgba(11,16,23,.72));
}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.45}
.card-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-low);
  margin-top:auto;
}
.card-foot .ep{font-family:var(--font-num);color:var(--soy-500);letter-spacing:.04em}

/* ---------- aside ---------- */
.aside{
  position:sticky;
  top:96px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 22px 24px;
}
.aside h3{
  font-size:15px;
  letter-spacing:.03em;
  margin-bottom:6px;
}
.aside .aside-note{font-size:13px;color:var(--text-low);line-height:1.7;margin-bottom:14px}
.aside-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line-soft);
  font-size:14px;
  line-height:1.7;
  color:var(--text-mid);
}
.aside-list li span.num{
  font-family:var(--font-num);
  color:var(--soy-500);
  font-size:13px;
  letter-spacing:.04em;
  flex:none;
  padding-top:2px;
}
.aside-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}

/* ---------- rhythm ---------- */
.rhythm{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--line);
}
.rhythm-item{
  padding:36px 32px 8px 0;
  border-right:1px solid var(--line-soft);
}
.rhythm-item:last-child{border-right:0;padding-right:0}
.rhythm-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--cyan-400);
  margin-bottom:18px;
  box-shadow:0 0 0 5px rgba(88,207,198,.12);
}
.rhythm-item .seq{
  font-family:var(--font-num);
  font-size:15px;
  letter-spacing:.1em;
  color:var(--soy-500);
  margin-bottom:8px;
  display:block;
}
.rhythm-item h3{font-size:20px;margin-bottom:10px}
.rhythm-item p{font-size:14px;line-height:1.85;color:var(--text-mid)}

/* ---------- deep read ---------- */
.deep{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:start;
}
.read-table{
  border-top:1px solid var(--line);
}
.read-row{
  display:grid;
  grid-template-columns:120px minmax(0,1fr);
  gap:20px;
  padding:18px 0;
  border-bottom:1px solid var(--line-soft);
  align-items:baseline;
}
.read-row dt{
  font-size:14px;
  color:var(--soy-300);
  letter-spacing:.02em;
}
.read-row dd{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--text-mid);
}
.deep-text p{font-size:16px;line-height:1.9;margin-bottom:20px}
.deep-text p:last-of-type{margin-bottom:0}
blockquote{
  margin:28px 0 0;
  padding:20px 24px;
  background:var(--ink-800);
  border-left:3px solid var(--soy-500);
  border-radius:0 12px 12px 0;
  font-size:15px;
  line-height:1.95;
  color:var(--text-hi);
}
blockquote cite{
  display:block;
  margin-top:10px;
  font-style:normal;
  font-size:13px;
  color:var(--text-low);
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.faq-intro h2{margin-bottom:14px}
.faq-intro p{font-size:15px;line-height:1.9;color:var(--text-mid);max-width:300px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  list-style:none;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text-hi);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--soy-300)}
.faq-ico{
  position:relative;
  flex:none;
  width:18px;height:18px;
  transition:transform .2s var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--soy-500);border-radius:2px;
}
.faq-ico::before{left:0;top:8px;width:18px;height:2px}
.faq-ico::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s var(--ease)}
.faq-item[open] .faq-ico{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--soy-300)}
.faq-answer{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.95;
  color:var(--text-mid);
  max-width:820px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(120%);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;bottom:-260px;
  background:radial-gradient(circle,rgba(232,184,75,.16),rgba(232,184,75,0) 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  margin-bottom:10px;
}
.cta-band p{font-size:15px;color:var(--text-mid);max-width:560px}
.cta-band .btn{flex:none;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  width:560px;height:560px;
  left:-160px;bottom:-300px;
  background:radial-gradient(circle,rgba(88,207,198,.08),rgba(88,207,198,0) 70%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr .8fr .8fr 1fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-low);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  letter-spacing:.04em;
  color:var(--text-hi);
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  font-size:14px;
  color:var(--text-low);
  transition:color .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--soy-300)}
.footer-contact li{
  font-size:14px;
  color:var(--text-low);
  line-height:1.8;
  margin-bottom:12px;
}
.footer-contact b{
  display:block;
  color:var(--text-mid);
  font-weight:600;
  font-size:13px;
  letter-spacing:.03em;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-low);
  flex-wrap:wrap;
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .links a{color:var(--text-low)}
.footer-bottom .links a:hover{color:var(--soy-300)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .split{grid-template-columns:minmax(0,1fr)}
  .aside{position:static;order:2}
  .deep{grid-template-columns:1fr;gap:36px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-intro p{max-width:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-grid .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-list{display:none}
  .nav-toggle{display:flex}
  .nav-ghost{display:none}
  .nav{justify-content:space-between}
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rhythm{grid-template-columns:1fr;border-top:0}
  .rhythm-item{
    border-right:0;
    border-top:1px solid var(--line-soft);
    padding:26px 0 26px;
    display:grid;
    grid-template-columns:110px minmax(0,1fr);
    gap:8px 20px;
  }
  .rhythm-dot{margin-bottom:0;grid-row:span 2;align-self:start;margin-top:8px}
  .rhythm-item .seq{grid-column:2}
  .rhythm-item h3,.rhythm-item p{grid-column:2}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:44px 0 56px}
  .page-hero::before{opacity:.5}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-deco{width:100%}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .card-grid{grid-template-columns:1fr}
  .card-body{padding:20px 20px 22px}
  .read-row{grid-template-columns:1fr;gap:6px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;gap:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-item summary{padding:18px 2px;font-size:15px;gap:14px}
  .faq-answer{padding-bottom:20px}
  .aside{padding:20px}
}
@media (max-width:390px){
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .brand{font-size:15px}
  .btn{height:46px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(232,184,75,.28);
  --radius-card:16px;
  --radius-card-lg:20px;
  --radius-btn:8px;
  --radius-input:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px -24px rgba(0,0,0,.8);
  --shadow-glow:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-hi);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}
::selection{background:rgba(232,184,75,.28);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head p{max-width:640px}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:600;letter-spacing:-.005em}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17px;font-weight:600;line-height:1.5}
.lead{font-size:17px;color:var(--text-mid);max-width:720px}
.muted{color:var(--text-mid);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--soy-300);
  text-transform:uppercase;font-family:var(--font-num);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan-400)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(8,11,16,.72);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),backdrop-filter .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,11,16,.86);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;gap:32px;height:72px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.14);
  flex:none;
}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:15px;color:var(--text-mid);letter-spacing:.02em;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--soy-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;translate:-50% 0;
  width:18px;height:1.5px;background:var(--text-hi);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{content:"";top:-6px;left:0;translate:0 0}
.nav-toggle span::after{content:"";top:6px;left:0;translate:0 0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:72px 0 0;z-index:110;
  background:rgba(8,11,16,.97);
  backdrop-filter:blur(16px);
  padding:24px 20px 40px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer ul{display:flex;flex-direction:column}
.drawer li + li{border-top:1px solid var(--line)}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:20px;color:var(--text-hi);
}
.drawer a::after{content:"";width:7px;height:7px;border-radius:50%;background:transparent}
.drawer a.is-active::after{background:var(--soy-500)}
.drawer .drawer-cta{margin-top:28px}
.drawer .drawer-cta .btn{width:100%;justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--soy-500);color:#0B1017;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:0 14px 38px -8px rgba(232,184,75,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border:1px solid var(--line-strong);color:var(--soy-300);background:transparent;
}
.btn-ghost:hover{background:rgba(232,184,75,.08);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--soy-300);font-size:15px;font-weight:600;
}
.btn-text .arrow{transition:transform .2s var(--ease);font-size:12px}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-low);
}
.breadcrumb .sep{color:var(--text-low);opacity:.6}
.breadcrumb .current{color:var(--text-mid)}
.breadcrumb a:hover{color:var(--soy-300)}

/* ---------- Page Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 320px at 12% 0%,rgba(232,184,75,.12),transparent 62%),
    radial-gradient(620px 300px at 88% 20%,rgba(88,207,198,.08),transparent 60%),
    var(--ink-900);
}
.page-hero .hero-inner{
  display:grid;grid-template-columns:1.35fr .65fr;gap:56px;align-items:center;
  padding:72px 0 64px;
}
.page-hero h1{max-width:760px}
.page-hero h1 em{font-style:normal;color:var(--soy-500)}
.page-hero .lead{margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-mid);
}
.chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan-400)}
.chip.time::before{background:var(--rust-500)}
.hero-side{
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(120%);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.hero-side .side-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.hero-side .side-top span{font-size:13px;color:var(--text-low);letter-spacing:.04em}
.hero-side .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--cyan-400);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(88,207,198,.45)}
  50%{box-shadow:0 0 0 8px rgba(88,207,198,0)}
}
.hero-side .side-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.hero-side .side-row:last-child{border-bottom:0;padding-bottom:0}
.hero-side .side-row b{font-family:var(--font-num);font-size:22px;color:var(--soy-300);font-weight:600}
.hero-side .side-row span{font-size:13px;color:var(--text-low)}
.hero-side .side-note{margin-top:16px;font-size:13px;color:var(--text-low);line-height:1.7}

/* ---------- Scale bar ---------- */
.scale-bar{
  border-bottom:1px solid var(--line);
  background:var(--ink-950);
}
.scale-bar .inner{
  display:grid;grid-template-columns:repeat(6,1fr);
  padding:20px 0 18px;
  position:relative;
}
.scale-bar .inner::before{
  content:"";position:absolute;left:0;right:0;top:24px;height:1px;
  background:linear-gradient(90deg,rgba(232,184,75,.5),rgba(88,207,198,.35),rgba(255,255,255,.08));
}
.scale-item{position:relative;padding-top:18px;text-align:center}
.scale-item::before{
  content:"";position:absolute;top:0;left:50%;translate:-50% 0;
  width:3px;height:9px;border-radius:2px;background:var(--soy-500);
}
.scale-item:nth-child(even)::before{background:var(--cyan-400)}
.scale-item span{font-size:13px;color:var(--text-low);letter-spacing:.04em}

/* ---------- Tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;max-width:900px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--ink-800);
  font-size:14px;color:var(--text-mid);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:var(--line-strong);color:var(--soy-300);background:rgba(232,184,75,.06);transform:translateY(-2px)}
.tag i{width:6px;height:6px;border-radius:2px;background:var(--cyan-400);font-style:normal;flex:none}
.tag:nth-child(3n) i{background:var(--soy-500)}
.tag:nth-child(4n) i{background:var(--rust-500)}

/* ---------- Matrix cards ---------- */
.matrix{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
  margin-top:40px;
}
.tech-card{
  position:relative;
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(120%);
  padding:30px;
  box-shadow:var(--shadow-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.tech-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.22),rgba(255,255,255,0));
  border-radius:var(--radius-card-lg) var(--radius-card-lg) 0 0;
}
.tech-card:hover{border-color:var(--line-strong);transform:translateY(-2px);background:rgba(255,255,255,.055)}
.tech-card .card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.tech-card h3{font-size:20px}
.tech-card .code{
  font-family:var(--font-num);font-size:12px;letter-spacing:.1em;
  color:var(--text-low);border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}
.tech-card p{font-size:15px;color:var(--text-mid);margin-bottom:18px}
.point-list{display:flex;flex-direction:column;gap:11px}
.point-list li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:var(--text-mid);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;
  background:rgba(88,207,198,.85);
  box-shadow:0 0 0 3px rgba(88,207,198,.1);
}
.tech-card:nth-child(2) .point-list li::before{background:rgba(232,184,75,.9);box-shadow:0 0 0 3px rgba(232,184,75,.12)}
.tech-card:nth-child(3) .point-list li::before{background:rgba(232,184,75,.9);box-shadow:0 0 0 3px rgba(232,184,75,.12)}
.tech-card:nth-child(4) .point-list li::before{background:rgba(88,207,198,.85);box-shadow:0 0 0 3px rgba(88,207,198,.1)}

/* ---------- Pipeline ---------- */
.pipeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;margin-top:44px;
}
.pipeline::before{
  content:"";position:absolute;left:0;right:0;top:11px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(88,207,198,.35),rgba(255,255,255,.1));
}
.pipe-step{position:relative;padding-top:36px}
.pipe-step::before{
  content:"";position:absolute;top:6px;left:0;
  width:11px;height:11px;border-radius:50%;
  background:var(--cyan-400);
  box-shadow:0 0 0 4px rgba(88,207,198,.14);
}
.pipe-step .num{
  font-family:var(--font-num);font-size:15px;color:var(--soy-500);letter-spacing:.1em;
}
.pipe-step h4{margin:6px 0 10px}
.pipe-step p{font-size:14px;color:var(--text-mid);line-height:1.75}

/* ---------- Stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card-lg);
  background:rgba(255,255,255,.035);
  backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
}
.stat{padding:30px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat .value{
  font-family:var(--font-num);font-size:clamp(34px,4vw,48px);
  font-weight:600;color:var(--soy-500);line-height:1.1;
}
.stat .value small{font-size:14px;color:var(--text-mid);margin-left:6px;font-weight:400}
.stat .label{margin-top:10px;font-size:14px;color:var(--text-low)}

/* ---------- Split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .figure{
  border-radius:var(--radius-card-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-700);
  position:relative;
}
.split .figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .5s var(--ease)}
.split .figure:hover img{transform:scale(1.04)}
.split .figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 22px 18px;
  font-size:13px;color:var(--text-mid);
  background:linear-gradient(180deg,rgba(11,16,23,0),rgba(11,16,23,.85));
}
.spec-list{margin-top:26px;display:flex;flex-direction:column}
.spec-list .row{
  display:flex;align-items:flex-start;gap:18px;
  padding:16px 0;border-top:1px solid var(--line);
}
.spec-list .row:last-child{border-bottom:1px solid var(--line)}
.spec-list .k{
  flex:none;width:96px;font-size:14px;color:var(--soy-300);letter-spacing:.04em;
}
.spec-list .v{font-size:15px;color:var(--text-mid)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-side h2{max-width:320px}
.faq-side p{margin-top:16px;font-size:15px;color:var(--text-mid);max-width:320px}
.faq-side .btn{margin-top:26px}
.faq-list{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--text-hi);line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--soy-300)}
.faq-item summary .plus{
  flex:none;position:relative;width:16px;height:16px;margin-top:6px;
  transition:transform .22s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--soy-500);border-radius:1px;
}
.faq-item summary .plus::before{left:0;right:0;top:7px;height:1.6px}
.faq-item summary .plus::after{top:0;bottom:0;left:7px;width:1.6px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .answer{
  padding:0 40px 22px 0;font-size:15px;line-height:1.9;color:var(--text-mid);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 20% 20%,rgba(232,184,75,.1),transparent 60%),
    radial-gradient(520px 240px at 82% 80%,rgba(88,207,198,.07),transparent 60%),
    var(--ink-900);
}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:64px 0;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);max-width:560px}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-mid);max-width:540px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-950);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-mid);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;color:var(--text-hi);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--soy-300);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14px;color:var(--text-mid);line-height:1.7}
.footer-contact b{display:block;font-size:13px;color:var(--text-low);font-weight:400}
.footer-bottom{
  margin-top:56px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-low);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom .links a:hover{color:var(--soy-300)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .page-hero .hero-inner{grid-template-columns:6fr 5fr;gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-list{display:none}
  .nav-actions .nav-ghost{display:none}
  .nav-toggle{display:inline-block}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:32px;padding:56px 0 48px}
  .hero-side{max-width:520px}
  .matrix{grid-template-columns:1fr}
  .pipeline{grid-template-columns:repeat(2,1fr);gap:20px}
  .pipeline::before{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:0;border-top:1px solid var(--line)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--line)}
  .split{grid-template-columns:1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side h2,.faq-side p{max-width:640px}
  .cta-band .inner{flex-direction:column;align-items:flex-start;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  body{font-size:15px}
  .brand{font-size:15px}
  .scale-bar .inner{grid-template-columns:repeat(3,1fr);row-gap:12px}
  .scale-bar .inner::before{display:none}
  .scale-item{padding-top:14px}
  .scale-item::before{top:-4px}
  .tech-card{padding:24px}
  .pipeline{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-left:0}
  .stat + .stat{border-top:1px solid var(--line)}
  .stat:nth-child(2){border-top:1px solid var(--line)}
  .btn{width:100%}
  .hero-actions .btn{width:auto;min-width:150px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn{width:auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item .answer{padding-right:0}
  .split .figure img{aspect-ratio:4/3}
}
@media (max-width:430px){
  h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .tag{font-size:13px;padding:8px 14px}
  .hero-side{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:rgba(255,255,255,.078);
  --line-strong:rgba(232,184,75,.28);
  --ok:#4CC38A;
  --warn:#E8B84B;
  --err:#E5645C;
  --r-card:16px;
  --r-card-lg:20px;
  --r-btn:8px;
  --r-input:10px;
  --shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px -24px rgba(0,0,0,.8);
  --glow:0 10px 32px -8px rgba(232,184,75,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-mid);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--soy-300)}
h1,h2,h3,h4{margin:0;color:var(--text-hi);font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;font-weight:700}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:21px;line-height:1.4}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 16px;max-width:760px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text-hi)}
::selection{background:rgba(232,184,75,.28);color:#fff}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,11,16,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text-hi);
  white-space:nowrap;
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;background:var(--soy-500);
  box-shadow:0 0 0 4px rgba(232,184,75,.16);
  flex:none;
}
.brand:hover{color:var(--text-hi)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;position:relative;
  padding:9px 12px;border-radius:999px;
  font-size:15px;letter-spacing:.02em;color:var(--text-mid);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.04)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--soy-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  padding:0;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:1.5px;background:var(--text-hi);border-radius:2px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle span{position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--soy-500);color:#0B1017;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--soy-600);color:#0B1017;transform:translateY(-1px);box-shadow:0 14px 34px -8px rgba(232,184,75,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--glow)}
.btn-ghost{background:transparent;color:var(--soy-300);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(232,184,75,.08);color:var(--soy-300);border-color:var(--soy-500)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--soy-500);
  font-size:15px;font-weight:600;height:auto;padding:0;
}
.btn-text .arrow{transition:transform var(--dur) var(--ease)}
.btn-text:hover .arrow{transform:translateX(4px)}
.nav-ghost{height:40px;padding:0 18px;font-size:14px}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,11,16,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:96px 24px 40px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-hi);font-size:20px;line-height:1;
}
.drawer ul{display:block}
.drawer li{border-bottom:1px solid var(--line)}
.drawer li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;font-size:20px;color:var(--text-hi);
}
.drawer li a .p{width:7px;height:7px;border-radius:50%;background:var(--soy-500);opacity:0}
.drawer li a.is-active .p{opacity:1}
.drawer-cta{margin-top:28px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:148px 0 72px;
  background:var(--ink-950);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 420px at 12% 8%,rgba(232,184,75,.12),transparent 70%),
    radial-gradient(480px 320px at 88% 20%,rgba(88,207,198,.08),transparent 72%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.9fr);gap:56px;align-items:start}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-low);margin-bottom:20px}
.breadcrumb a{color:var(--text-low)}
.breadcrumb a:hover{color:var(--soy-300)}
.breadcrumb .sep{color:var(--text-low);opacity:.6}
.breadcrumb .cur{color:var(--text-mid)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;
  border:1px solid rgba(88,207,198,.4);color:var(--cyan-400);
  background:rgba(88,207,198,.07);letter-spacing:.02em;
}
.badge-rust{border-color:rgba(192,90,62,.5);color:#E38C72;background:rgba(192,90,62,.09)}
.hero-tagline{margin:18px 0 20px;font-size:17px;line-height:1.85;color:var(--text-mid);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-aside{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-top-color:rgba(255,255,255,.22);
  border-radius:var(--r-card-lg);
  padding:26px 24px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.aside-title{font-size:13px;letter-spacing:.08em;color:var(--text-low);margin-bottom:16px;text-transform:uppercase}
.aside-rows{display:grid;gap:0}
.aside-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.aside-row:last-child{border-bottom:0;padding-bottom:2px}
.aside-row dt{font-size:14px;color:var(--text-mid)}
.aside-row dd{margin:0;font-family:var(--font-num);font-size:19px;color:var(--soy-300);font-weight:600}
.aside-foot{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;color:var(--text-mid);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.pill-soy{color:var(--soy-300);border-color:var(--line-strong);background:rgba(232,184,75,.08)}
.pill-cyan{color:var(--cyan-400);border-color:rgba(88,207,198,.35);background:rgba(88,207,198,.07)}

/* ---------- sections ---------- */
section{position:relative}
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.section-alt{background:var(--ink-900)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--soy-500);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:18px;height:1px;background:var(--soy-500)}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-mid)}

/* ---------- metrics ---------- */
.metrics{padding:0;border-bottom:1px solid var(--line);background:var(--ink-900)}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-card-lg);
  margin:-1px 0 0;
  overflow:hidden;
}
.metric{padding:32px 26px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric .num{
  font-family:var(--font-num);font-size:clamp(34px,4.4vw,50px);font-weight:600;
  color:var(--soy-500);line-height:1.1;letter-spacing:-.02em;
}
.metric .num small{font-size:14px;color:var(--text-mid);font-family:var(--font);font-weight:400;margin-left:4px;letter-spacing:0}
.metric .label{margin-top:8px;font-size:14px;color:var(--text-low)}
.metrics-wrap{padding:0 0 72px}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:980px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;top:16px;bottom:16px;left:124px;width:1px;
  background:linear-gradient(180deg,rgba(232,184,75,0),rgba(232,184,75,.35) 12%,rgba(255,255,255,.1) 80%,rgba(255,255,255,0));
}
.tl-item{
  display:grid;
  grid-template-columns:96px 24px minmax(0,1fr);
  grid-template-areas:"num dot body";
  column-gap:16px;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  grid-area:num;
  font-family:var(--font-num);font-size:30px;font-weight:600;
  color:var(--soy-500);line-height:1.2;letter-spacing:-.01em;
  padding-top:2px;
}
.tl-num small{display:block;font-family:var(--font);font-size:12px;font-weight:400;color:var(--text-low);letter-spacing:.06em;margin-top:2px}
.tl-dot{
  grid-area:dot;justify-self:center;
  width:11px;height:11px;border-radius:50%;background:var(--cyan-400);
  margin-top:14px;box-shadow:0 0 0 4px rgba(88,207,198,.13);
}
.tl-body{
  grid-area:body;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 26px;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.tl-body:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.tl-body h3{font-size:19px;margin-bottom:8px}
.tl-body p{margin:0;font-size:15px;color:var(--text-mid);max-width:640px}
.tl-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- split (craft) ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.split-figure{
  position:relative;border-radius:var(--r-card-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-700);
  box-shadow:var(--shadow);
}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 320ms var(--ease)}
.split-figure:hover img{transform:scale(1.04)}
.split-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,16,23,0) 45%,rgba(11,16,23,.82) 100%);
}
.split-figure figcaption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:13px;color:var(--text-mid);line-height:1.6;
}
.principle{display:grid;gap:0;margin-top:26px}
.principle li{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:20px minmax(0,1fr);gap:14px}
.principle .mark{width:8px;height:8px;border-radius:2px;background:var(--soy-500);margin-top:9px}
.principle h4{margin-bottom:4px;font-size:16.5px}
.principle p{margin:0;font-size:14.5px;color:var(--text-mid)}

/* ---------- crew ---------- */
.crew{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.crew-list{border-top:1px solid var(--line)}
.crew-row{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.crew-row:hover{background:rgba(255,255,255,.03);padding-left:12px}
.crew-row dt{font-size:15px;color:var(--soy-300);font-weight:600;letter-spacing:.01em}
.crew-row dd{margin:0;font-size:14.5px;color:var(--text-mid);line-height:1.75}
.crew-note{
  margin-top:28px;padding:20px 22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--ink-800);
  font-size:14.5px;color:var(--text-mid);
}
.crew-note strong{color:var(--soy-300);font-weight:600}
.quote-card{
  border-radius:var(--r-card-lg);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(232,184,75,.07),rgba(232,184,75,.02));
  padding:30px 28px;
}
.quote-card p{font-size:17px;line-height:1.85;color:var(--text-hi);margin:0 0 16px}
.quote-card span{font-size:13px;color:var(--text-low);letter-spacing:.04em}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--text-mid);max-width:340px}
.faq-aside .pill{margin-top:8px}
.faq-list{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16.5px;color:var(--text-hi);font-weight:600;
  cursor:pointer;list-style:none;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--soy-300)}
.faq-item .plus{
  position:relative;flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--soy-500);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-item .plus::before{width:10px;height:1.5px}
.faq-item .plus::after{width:1.5px;height:10px;transition:opacity var(--dur) var(--ease)}
.faq-item[open] .plus{transform:rotate(45deg);background:rgba(232,184,75,.1)}
.faq-body{padding:0 4px 22px;font-size:15px;line-height:1.9;color:var(--text-mid);max-width:730px}

/* ---------- cta / form ---------- */
.cta-band{
  padding:96px 0;
  background:
    radial-gradient(680px 380px at 50% 0%,rgba(232,184,75,.1),transparent 72%),
    var(--ink-950);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:start}
.cta-copy h2{margin-bottom:16px}
.cta-copy p{font-size:15.5px;color:var(--text-mid)}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:grid;grid-template-columns:16px minmax(0,1fr);gap:12px;font-size:14.5px;color:var(--text-mid)}
.cta-points .tick{
  width:14px;height:14px;border-radius:50%;border:1px solid rgba(88,207,198,.55);
  position:relative;margin-top:6px;flex:none;
}
.cta-points .tick::after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--cyan-400);top:50%;left:50%;transform:translate(-50%,-50%)}
.form-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card-lg);
  padding:30px 28px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--text-low);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-mid);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:11px 14px;
  background:var(--ink-700);border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--text-hi);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-low)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--soy-500);background:var(--ink-800);
  box-shadow:0 0 0 3px rgba(232,184,75,.12);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#A7B2C0 50%),linear-gradient(135deg,#A7B2C0 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-card .btn{width:100%;margin-top:6px}
.form-note{margin:14px 0 0;font-size:12.5px;color:var(--text-low);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-900);padding:72px 0 30px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:50%;top:-160px;width:720px;height:320px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(232,184,75,.1),transparent);
  pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;position:relative;z-index:2}
.footer-brand p{margin:16px 0 0;font-size:14.5px;color:var(--text-low);max-width:340px;line-height:1.8}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-hi);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:var(--text-mid)}
.footer-col a:hover{color:var(--soy-300)}
.footer-contact li{font-size:14px;color:var(--text-low);line-height:1.7}
.footer-contact b{display:block;color:var(--text-mid);font-weight:600;font-size:13.5px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--text-low);position:relative;z-index:2;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:var(--text-low)}
.footer-bottom a:hover{color:var(--soy-300)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .timeline::before{left:112px}
  .tl-item{grid-template-columns:84px 24px minmax(0,1fr)}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .nav-ghost{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:120px 0 56px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric{border-left:0;border-top:1px solid var(--line)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .metric:nth-child(even){border-left:1px solid var(--line)}
  .split,.crew,.faq-layout,.cta-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .cta-band{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .page-hero{padding:104px 0 48px}
  .page-hero::after{opacity:.22}
  .section{padding:56px 0}
  .cta-band{padding:56px 0}
  .tl-item{grid-template-columns:24px minmax(0,1fr);grid-template-areas:"num num" "dot body";padding-bottom:32px}
  .tl-num{font-size:22px;display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
  .tl-num small{display:inline;margin:0}
  .tl-dot{margin-top:22px;width:9px;height:9px}
  .timeline::before{left:12px;transform:translateX(-50%);top:10px}
  .tl-body{padding:18px 18px;border-radius:14px}
  .crew-row{grid-template-columns:1fr;gap:6px;padding:16px 2px}
  .hero-actions .btn{width:100%}
  .form-card{padding:24px 20px}
  .faq-item summary{font-size:15.5px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .metrics-wrap{padding-bottom:56px}
}
@media (max-width:390px){
  h1{font-size:30px}
  .metric .num{font-size:32px}
  .brand{font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category6 */
:root{
  --ink-950:#080B10;
  --ink-900:#0B1017;
  --ink-800:#121A24;
  --ink-700:#1A2430;
  --soy-300:#F4D894;
  --soy-500:#E8B84B;
  --soy-600:#C99A2E;
  --cyan-400:#58CFC6;
  --rust-500:#C05A3E;
  --text-hi:#F3F5F8;
  --text-mid:#A7B2C0;
  --text-low:#6B7889;
  --line:#FFFFFF14;
  --line-strong:#E8B84B47;
  --ok:#4CC38A;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:8px;
  --radius-pill:999px;
  --radius-input:10px;
  --shadow-card:0 1px 0 #FFFFFF0F inset, 0 18px 48px -24px #000000CC;
  --glow-btn:0 10px 32px -8px #E8B84B73;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-hi);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:600;letter-spacing:-0.01em}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--soy-500);outline-offset:2px;border-radius:4px}
::selection{background:var(--soy-500);color:#0B1017}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:transparent;
  transition:background .22s var(--ease), backdrop-filter .22s var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:transparent;
  transition:background .22s var(--ease);
}
.site-header.is-scrolled{
  background:#0B1017CC;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
}
.site-header.is-scrolled::after{background:var(--line)}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  flex:0 0 auto;
  transition:color .2s var(--ease);
}
.brand:hover{color:var(--soy-300)}
.brand .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--soy-500);
  box-shadow:0 0 14px #E8B84B99;
  flex:0 0 auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 0 0 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--text-mid);
  border-radius:var(--radius-pill);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:#FFFFFF0A}
.nav-link.is-active{color:var(--text-hi)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--soy-500);
  box-shadow:0 0 10px #E8B84B80;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:12px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary{
  background:var(--soy-500);
  color:#0B1017;
  box-shadow:var(--glow-btn);
}
.btn-primary:hover{background:var(--soy-600);transform:translateY(-1px);box-shadow:0 14px 38px -8px #E8B84B8C}
.btn-primary:active{transform:translateY(0);box-shadow:var(--glow-btn)}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--soy-300);
}
.btn-ghost:hover{background:#E8B84B14;border-color:var(--soy-500)}
.btn-ghost:active{background:#E8B84B1F}
.btn.nav-ghost{height:40px;padding:0 20px;font-size:14px}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--soy-300);
  font-size:15px;
  font-weight:600;
  transition:color .2s var(--ease);
}
.btn-link .arrow{transition:transform .2s var(--ease)}
.btn-link:hover{color:var(--soy-500)}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  transition:background .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle:hover{background:#FFFFFF0A;border-color:var(--line-strong)}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;height:1.5px;
  background:var(--text-hi);
  border-radius:2px;
  transition:background .2s var(--ease), transform .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:1.5px;
  background:var(--text-hi);
  border-radius:2px;
  transition:transform .2s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;
  top:var(--header-h);left:0;right:0;bottom:0;
  z-index:90;
  background:#080B10F5;
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  backdrop-filter:blur(16px) saturate(120%);
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
  overflow-y:auto;
  padding:24px 0 48px;
}
body.nav-open .drawer{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-inner{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 4px;
  font-size:20px;
  font-weight:600;
  color:var(--text-mid);
  transition:color .2s var(--ease);
}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--soy-300)}
.drawer-list a.is-active::after{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:var(--soy-500);
  box-shadow:0 0 12px #E8B84B99;
}
.drawer-cta{width:100%;margin-top:28px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:calc(var(--header-h) + 78px) 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.3;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%, #E8B84B14, transparent 70%),
    radial-gradient(700px 380px at 92% 18%, #58CFC60F, transparent 72%),
    linear-gradient(180deg, #080B10B8 0%, #080B10E6 62%, #080B10 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-low);
  margin-bottom:16px;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--soy-300)}
.breadcrumb .sep{color:#4A5563}
.breadcrumb .current{color:var(--text-mid)}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:end;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  border:1px solid #58CFC659;
  background:#58CFC610;
  color:var(--cyan-400);
  font-size:12px;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.hero-badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan-400);
  box-shadow:0 0 10px #58CFC6AA;
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--soy-300);
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-mid);
  max-width:640px;
  margin:0;
}
.hero-deco{
  border-radius:var(--radius-lg);
  border:1px solid #FFFFFF1F;
  background:#FFFFFF0A;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  padding:6px 22px;
}
.hero-deco .row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.hero-deco .row:last-child{border-bottom:0}
.hero-deco .k{font-size:13px;color:var(--text-low);letter-spacing:.04em}
.hero-deco .v{font-size:15px;color:var(--text-hi);font-weight:600}
.hero-deco .v.num{
  font-family:"DIN Alternate","Inter",system-ui,sans-serif;
  color:var(--soy-500);
  font-size:20px;
}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{margin-bottom:44px;max-width:720px}
.eyebrow{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan-400);
  margin-bottom:12px;
  text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  margin-bottom:12px;
}
.section-head p{color:var(--text-mid);font-size:15.5px;margin:0}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid #FFFFFF1F;
  border-radius:var(--radius-lg);
  background:#FFFFFF0A;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.stat-item{
  padding:26px 28px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0}
.stat-num{
  font-family:"DIN Alternate","Inter",system-ui,sans-serif;
  font-size:clamp(32px,4vw,46px);
  font-weight:600;
  line-height:1.1;
  color:var(--soy-500);
  letter-spacing:-0.01em;
}
.stat-num small{font-size:14px;color:var(--text-mid);font-weight:500;margin-left:4px;letter-spacing:0}
.stat-label{font-size:14px;color:var(--text-mid);margin-top:8px;line-height:1.6}

/* ---------- Split: narrative + FAQ ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,6fr);
  gap:56px;
  align-items:start;
}
.narrative{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  box-shadow:var(--shadow-card);
}
.narrative figure{margin:0 0 22px}
.narrative .thumb{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  background:var(--ink-700);
  aspect-ratio:4/3;
}
.narrative .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.narrative .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,#0B101700 40%,#0B1017B8 100%);
}
.narrative:hover .thumb img{transform:scale(1.04)}
.narrative h3{font-size:20px;margin-bottom:14px}
.narrative p{font-size:15px;line-height:1.9;color:var(--text-mid);margin:0 0 1.05em}
.narrative p:last-of-type{margin-bottom:0}
.narrative .quote{
  margin-top:22px;
  padding:16px 18px;
  border-left:3px solid var(--soy-500);
  background:#0B101780;
  border-radius:0 10px 10px 0;
  font-size:14.5px;
  color:var(--soy-300);
  line-height:1.8;
}

.faq-block h3{font-size:20px;margin-bottom:6px}
.faq-block .faq-note{font-size:14px;color:var(--text-low);margin:0 0 18px}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--text-hi);
  cursor:pointer;
  list-style:none;
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--soy-300)}
.faq summary::after{
  content:"+";
  flex:0 0 auto;
  color:var(--soy-500);
  font-size:22px;
  font-weight:400;
  line-height:1.2;
  transition:transform .2s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-mid);
  max-width:820px;
  animation:fadeIn .22s var(--ease);
}
.faq .answer strong{color:var(--text-hi);font-weight:600}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- Row list ---------- */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) auto;
  gap:24px;
  align-items:center;
  padding:22px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.row-item:hover{background:#FFFFFF05}
.row-thumb{
  width:96px;height:64px;
  border-radius:10px;
  overflow:hidden;
  background:var(--ink-700);
  flex:0 0 auto;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.row-item:hover .row-thumb img{transform:scale(1.05)}
.row-body h3{font-size:18px;line-height:1.5;margin-bottom:6px}
.row-body h3 a{transition:color .2s var(--ease)}
.row-body h3 a:hover{color:var(--soy-300)}
.row-body p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
  text-align:right;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 12px;
  border-radius:var(--radius-pill);
  border:1px solid #58CFC659;
  background:#58CFC610;
  color:var(--cyan-400);
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
}
.tag.tag-time{
  border-color:#C05A3E66;
  background:#C05A3E12;
  color:#E08A70;
}
.tag.tag-time::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--rust-500);
  margin-right:7px;
}
.row-meta time{font-size:13px;color:var(--text-low)}
.row-arrow{
  color:var(--text-low);
  font-size:16px;
  transition:transform .2s var(--ease), color .2s var(--ease);
}
.row-item:hover .row-arrow{transform:translateX(4px);color:var(--soy-500)}

/* ---------- Glossary ---------- */
.glossary{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
  margin:0;
}
.glossary .g-item{
  padding:20px 0;
  border-top:1px solid var(--line);
}
.glossary dt{
  font-size:15px;
  font-weight:600;
  color:var(--text-hi);
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:8px;
}
.glossary dt::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--soy-500);
  flex:0 0 auto;
}
.glossary dd{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--text-mid);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:72px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-160px;top:-220px;
  width:560px;height:560px;
  background:radial-gradient(circle,#E8B84B1F,transparent 65%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-120px;bottom:-200px;
  width:420px;height:420px;
  background:radial-gradient(circle,#58CFC614,transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  margin-bottom:8px;
}
.cta-inner p{margin:0;color:var(--text-mid);font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:50%;top:-1px;
  transform:translateX(-50%);
  width:min(760px,90%);
  height:1px;
  background:linear-gradient(90deg,transparent,#E8B84B47,transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand p{
  margin:18px 0 0;
  font-size:14px;
  line-height:1.85;
  color:var(--text-mid);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text-hi);
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col a{
  font-size:14px;
  color:var(--text-mid);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--soy-300)}
.footer-contact li{
  font-size:14px;
  color:var(--text-mid);
  line-height:1.75;
  margin-bottom:12px;
}
.footer-contact b{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text-low);
  margin-bottom:2px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-low);
}
.footer-bottom .links{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom .links a{color:var(--text-low);transition:color .2s var(--ease)}
.footer-bottom .links a:hover{color:var(--soy-300)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 288px;gap:36px}
  .nav-list{gap:0}
  .nav-link{padding:8px 10px;font-size:14.5px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-list,.nav-actions .nav-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .page-hero{padding:calc(var(--header-h) + 56px) 0 56px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
  .hero-deco{max-width:420px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .split{grid-template-columns:minmax(0,1fr);gap:36px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand{font-size:15px}
  .page-hero h1{max-width:none}
  .hero-sub{font-size:16px}
  .row-item{grid-template-columns:72px minmax(0,1fr);gap:16px}
  .row-thumb{width:72px;height:56px}
  .row-meta{
    grid-column:1 / -1;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    text-align:left;
    width:100%;
  }
  .glossary{grid-template-columns:minmax(0,1fr);gap:0}
  .narrative{padding:24px 22px}
  .faq summary{font-size:16px;padding:18px 2px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{width:auto}
  .btn.full{width:100%}
}
@media (max-width:430px){
  :root{--radius-card:14px;--radius-lg:16px}
  .stat-item{padding:20px}
  .stat-num{font-size:32px}
  .page-hero h1{font-size:28px}
  .footer-bottom{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}