/* roulang page: index */
:root{
  --brand:#C8433A;
  --brand-hover:#E0584B;
  --brand-active:#A3342C;
  --indigo:#2E7D74;
  --gold:#D9A34A;
  --bg:#14100F;
  --bg2:#1A1514;
  --bg3:#1E1817;
  --glass:linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
  --text:#F5F1EC;
  --text2:#B9AFA6;
  --text3:#8A8078;
  --link:#E8A79E;
  --line:rgba(255,255,255,.08);
  --gbd:rgba(255,255,255,.09);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --sh-card:0 18px 40px -22px rgba(0,0,0,.75);
  --sh-up:0 18px 40px -22px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.06);
  --sh-brand:0 0 0 1px rgba(200,67,58,.55),0 10px 26px -8px rgba(200,67,58,.6);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--link);text-decoration:none;text-underline-offset:3px;transition:color .25s ease;}
a:hover{color:var(--text);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}
.section{padding:var(--gap-section) 0;position:relative;}
.section--alt{background:var(--bg2);}
.section--deep{background:var(--bg3);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--gold);
  border:1px solid rgba(217,163,74,.35);
  border-radius:var(--r-sm);
  padding:4px 10px;
  margin-bottom:16px;
}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--text2);
  font-size:16px;
}
.hr{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:15px 24px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .3s ease;
  background:transparent;
  white-space:nowrap;
}
.btn--primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh-brand);
}
.btn--primary:hover{
  background:var(--brand-hover);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(224,88,75,.6),0 16px 34px -10px rgba(224,88,75,.7);
}
.btn--primary:active{background:var(--brand-active);transform:translateY(0);}
.btn--ghost{
  border-color:rgba(245,241,236,.28);
  color:var(--text);
}
.btn--ghost:hover{background:rgba(255,255,255,.06);color:var(--text);}
.btn--sm{padding:11px 18px;font-size:14px;}
.btn .arw{transition:transform .25s ease;display:inline-block;}
.btn:hover .arw{transform:translateX(3px);}
.btn--text{
  padding:6px 0;
  color:var(--link);
  font-weight:600;
  font-size:15px;
  gap:6px;
}
.btn--text:hover{color:var(--text);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  padding:5px 11px;
  border-radius:var(--r-sm);
  border:1px solid var(--gbd);
  background:rgba(255,255,255,.12);
  color:var(--text2);
  line-height:1.5;
}
.badge--gold{border-color:rgba(217,163,74,.4);background:rgba(217,163,74,.12);color:var(--gold);}
.badge--indigo{border-color:rgba(46,125,116,.45);background:rgba(46,125,116,.14);color:#7CC0B6;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 40px;
  transition:all .24s ease;
}
.nav-shell{
  max-width:1240px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 18px;
  border-radius:var(--r-lg);
  border:1px solid var(--gbd);
  background:linear-gradient(160deg, rgba(30,24,23,.92), rgba(20,16,15,.86));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.75);
  transition:all .24s ease;
}
.site-header.is-shrink .nav-shell{
  padding:8px 18px;
  box-shadow:0 22px 48px -20px rgba(0,0,0,.85);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand__seal{
  width:38px;height:38px;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:#fff;
  font-family:var(--font-num);
  font-weight:800;
  font-size:15px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(200,67,58,.55),0 8px 20px -8px rgba(200,67,58,.8);
  flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em;font-family:var(--font-num);}
.brand__text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--text2);}
.nav-cards{
  display:flex;
  align-items:stretch;
  gap:8px;
  margin-left:auto;
}
.nav-card{
  width:116px;
  padding:9px 8px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  background:rgba(255,255,255,.03);
  display:flex;
  flex-direction:column;
  gap:3px;
  color:var(--text2);
  transition:all .24s ease;
}
.nav-card i{
  font-style:normal;
  font-size:13px;
  color:var(--indigo);
  line-height:1;
}
.nav-card b{font-size:13px;font-weight:600;color:var(--text);line-height:1.35;}
.nav-card span{font-size:11px;color:var(--text3);line-height:1.4;letter-spacing:.01em;}
.nav-card:hover{
  transform:translateY(-2px);
  border-color:rgba(200,67,58,.55);
  background:rgba(255,255,255,.055);
  color:var(--text);
}
.nav-card.is-active{
  border-color:rgba(200,67,58,.7);
  background:rgba(200,67,58,.12);
}
.nav-card.is-active i{color:var(--gold);}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-md);
  border:1px solid var(--gbd);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  font-size:16px;
}
.nav-drawer{
  display:none;
  max-width:1240px;
  margin:10px auto 0;
  padding:16px;
  border-radius:var(--r-lg);
  border:1px solid var(--gbd);
  background:linear-gradient(160deg, rgba(30,24,23,.97), rgba(20,16,15,.95));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--sh-card);
}
.nav-drawer.is-open{display:block;}
.nav-drawer .nav-card{width:auto;padding:12px;}
.nav-drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.nav-drawer .btn{width:100%;justify-content:center;margin-top:12px;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 84px;position:relative;overflow:hidden;}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(680px 360px at 12% 8%, rgba(200,67,58,.18), transparent 65%),
    radial-gradient(560px 320px at 88% 84%, rgba(46,125,116,.12), transparent 68%);
  pointer-events:none;
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:48px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:.005em;
  margin:20px 0 0;
}
.hero__sub{
  margin-top:20px;
  font-size:17px;
  color:var(--text2);
  max-width:520px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__trust{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:34px;
  border-top:1px solid var(--line);
  padding-top:20px;
}
.hero__trust li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text2);
  padding:0 20px;
  border-right:1px solid var(--line);
  line-height:1.5;
}
.hero__trust li:first-child{padding-left:0;}
.hero__trust li:last-child{border-right:0;}
.dot{width:6px;height:6px;border-radius:2px;background:var(--gold);flex:0 0 auto;}
.hero__media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--gbd);
  box-shadow:var(--sh-card);
  aspect-ratio:16/11;
  background:var(--glass);
}
.hero__media img{width:100%;height:100%;object-fit:cover;}
.hero__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(200,67,58,.08), rgba(20,16,15,.55));
}
.hero__media-tag{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text);
  padding:6px 12px;
  border-radius:var(--r-sm);
  border:1px solid rgba(217,163,74,.4);
  background:rgba(20,16,15,.7);
}

/* ---------- 主张条 ---------- */
.claims{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg2);
}
.claims__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
}
.claim{
  padding:38px 34px;
  border-right:1px solid var(--line);
  display:flex;
  gap:16px;
}
.claim:last-child{border-right:0;}
.claim__no{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--gold);
  border:1px solid rgba(217,163,74,.4);
  border-radius:var(--r-sm);
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
  margin-top:2px;
}
.claim h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.claim p{font-size:14px;color:var(--text2);line-height:1.8;}

/* ---------- 横向长卡 ---------- */
.story{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:0;
  border:1px solid var(--gbd);
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  overflow:hidden;
  box-shadow:var(--sh-card);
  margin-bottom:32px;
}
.story:last-child{margin-bottom:0;}
.story--flip{grid-template-columns:1fr 40%;}
.story--flip .story__media{order:2;}
.story--flip .story__body{order:1;}
.story__media{position:relative;min-height:280px;background:rgba(255,255,255,.03);}
.story__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.story__body{padding:36px;}
.story__body h3{font-size:22px;font-weight:700;line-height:1.4;}
.story__body p{margin-top:14px;color:var(--text2);font-size:15.5px;line-height:1.9;}
.story__body blockquote{
  margin:20px 0 0;
  padding:14px 18px;
  border-left:3px solid var(--indigo);
  background:rgba(255,255,255,.03);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;
  color:var(--text2);
}
.story__list{margin-top:20px;display:grid;gap:10px;}
.story__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text2);
}
.story__list li::before{
  content:"";width:6px;height:6px;border-radius:1px;
  background:var(--brand);flex:0 0 auto;margin-top:10px;
}

/* ---------- 精选内容卡 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.card{
  border:1px solid var(--gbd);
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-up);border-color:rgba(200,67,58,.42);}
.card__media{
  aspect-ratio:16/9;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.card__media img{width:100%;height:100%;object-fit:cover;}
.card__body{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:19px;font-weight:700;line-height:1.45;}
.card__body p{font-size:14.5px;color:var(--text2);line-height:1.85;}
.card__meta{
  margin-top:auto;
  padding-top:14px;
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--text3);
  font-family:var(--font-num);
  border-top:1px solid var(--line);
}
.card--lead{grid-row:span 2;}
.card--lead .card__media{aspect-ratio:16/8.4;}
.card--lead .card__body h3{font-size:23px;}
.card--lead .card__body p{font-size:15px;}

/* ---------- 列表行卡（CMS） ---------- */
.news-list{display:grid;gap:14px;}
.news-row{
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  padding:24px 28px;
  border:1px solid var(--gbd);
  border-radius:var(--r-md);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--sh-card);
  transition:all .3s ease;
  color:var(--text);
}
.news-row:hover{
  transform:translateY(-2px);
  border-color:rgba(200,67,58,.45);
  box-shadow:var(--sh-up);
  color:var(--text);
}
.news-row h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row p{
  margin-top:8px;
  font-size:14px;
  color:var(--text2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row__side{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.news-row__side time{font-size:13px;color:var(--text3);font-family:var(--font-num);}
.arw-box{
  width:34px;height:34px;
  border-radius:var(--r-sm);
  border:1px solid var(--gbd);
  display:flex;align-items:center;justify-content:center;
  color:var(--text2);
  transition:all .25s ease;
  font-size:14px;
}
.news-row:hover .arw-box{border-color:var(--brand);color:var(--brand-hover);transform:translateX(3px);}
.empty-state{
  padding:52px 28px;
  text-align:center;
  border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.02);
}
.empty-state .ico{
  width:44px;height:44px;margin:0 auto 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--gbd);
  background:rgba(255,255,255,.04);
  display:flex;align-items:center;justify-content:center;
  color:var(--text3);font-size:18px;
}
.empty-state p{color:var(--text2);font-size:15px;margin-bottom:18px;}

/* ---------- 数据与背书 ---------- */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-bottom:34px;
}
.stat{
  background:var(--bg2);
  padding:32px 28px;
}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:36px;
  font-weight:800;
  line-height:1.1;
  color:var(--text);
  letter-spacing:-.01em;
}
.stat b em{font-style:normal;font-size:15px;color:var(--brand-hover);margin-left:3px;font-weight:700;}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--text2);}
.stamp-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}
.stamp{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 16px;
  border-radius:var(--r-md);
  border:1px solid var(--gbd);
  background:var(--glass);
  font-size:13.5px;
  color:var(--text2);
}
.stamp i{
  font-style:normal;
  width:20px;height:20px;
  border-radius:var(--r-sm);
  border:1px solid rgba(217,163,74,.45);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;
  font-family:var(--font-num);
}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:0;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 4px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:18px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .25s ease;
}
.faq-q:hover{color:var(--brand-hover);}
.faq-q .plus{
  position:relative;
  width:20px;height:20px;
  flex:0 0 auto;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  background:var(--gold);
  transition:transform .18s ease,opacity .18s ease;
}
.faq-q .plus::before{left:50%;top:0;width:2px;height:20px;transform:translateX(-50%);}
.faq-q .plus::after{top:50%;left:0;height:2px;width:20px;transform:translateY(-50%);}
.faq-item.is-open .faq-q .plus::before{transform:translateX(-50%) rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q{color:var(--brand-hover);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text2);
  max-width:900px;
}

/* ---------- CTA 收口 ---------- */
.cta-band{
  border:1px solid var(--gbd);
  border-radius:var(--r-lg);
  background:
    radial-gradient(600px 260px at 82% 20%, rgba(200,67,58,.2), transparent 70%),
    linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.03));
  padding:48px;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.35;}
.cta-band p{margin-top:14px;color:var(--text2);font-size:15.5px;max-width:560px;}
.subscribe{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 220px;
  min-width:0;
  padding:15px 18px;
  border-radius:var(--r-md);
  border:1px solid var(--gbd);
  background:rgba(0,0,0,.35);
  color:var(--text);
  font-size:15px;
  transition:all .25s ease;
}
.subscribe input::placeholder{color:var(--text3);}
.subscribe input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,67,58,.18);
}
.subscribe .hint{font-size:12.5px;color:var(--text3);width:100%;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg2);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:var(--text2);
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--text2);}
.footer-col a:hover{color:var(--brand-hover);}
.footer-bottom{
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--text3);
  font-family:var(--font-num);
}
.footer-bottom .cn{font-family:var(--font);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  z-index:70;
  padding:11px 15px;
  border-radius:var(--r-md);
  border:1px solid var(--gbd);
  background:rgba(30,24,23,.9);
  backdrop-filter:blur(12px);
  color:var(--text2);
  font-size:13px;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:all .25s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{color:var(--text);border-color:rgba(200,67,58,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .site-header{padding:0 32px;}
  .hero h1{font-size:44px;}
  .nav-card{width:104px;}
  .nav-card span{display:none;}
}
@media (max-width:1023px){
  :root{--gap-section:72px;}
  .container{padding:0 28px;}
  .site-header{padding:0 20px;}
  .nav-cards{display:none;}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta .btn{display:none;}
  .nav-cards{display:none;}
  .hero{padding:52px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .hero__media{order:-1;}
  .claims__grid{grid-template-columns:1fr;}
  .claim{border-right:0;border-bottom:1px solid var(--line);padding:28px 24px;}
  .claim:last-child{border-bottom:0;}
  .story,.story--flip{grid-template-columns:1fr;}
  .story--flip .story__media{order:0;}
  .story--flip .story__body{order:0;}
  .story__media{min-height:210px;position:relative;}
  .story__media img{position:relative;height:auto;min-height:210px;}
  .feature-grid{grid-template-columns:1fr;}
  .card--lead{grid-row:auto;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--gap-section:56px;}
  .container{padding:0 18px;}
  .site-header{padding:0 12px;top:8px;}
  .nav-shell{padding:10px 12px;gap:10px;}
  body{font-size:15.5px;}
  .hero{padding:40px 0 52px;}
  .hero h1{font-size:31px;}
  .hero__sub{font-size:15.5px;}
  .hero__actions .btn{width:100%;justify-content:center;}
  .hero__trust{flex-direction:column;gap:10px;}
  .hero__trust li{padding:0;border-right:0;}
  .section-head h2{font-size:25px;}
  .story__body{padding:26px;}
  .story__body h3{font-size:19px;}
  .card__body{padding:22px;}
  .card--lead .card__body h3{font-size:20px;}
  .news-row{grid-template-columns:1fr;padding:20px;}
  .news-row__side{justify-content:space-between;}
  .stat{采取}
  .stat{padding:24px 20px;}
  .stat b{font-size:29px;}
  .cta-band{padding:26px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:20px 2px;}
  .to-top{right:14px;bottom:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --rs:#C8433A; --rs-h:#E0584B; --rs-a:#A3342C;
  --indigo:#2E7D74; --gold:#D9A34A;
  --bg:#14100F; --bg2:#1A1514; --bg3:#1E1817;
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  --txt:#F5F1EC; --txt2:#B9AFA6; --txt3:#8A8078; --link:#E8A79E;
  --line:rgba(255,255,255,.08); --bd:rgba(255,255,255,.09);
  --r-lg:18px; --r-md:12px; --r-sm:8px;
  --sh-card:0 18px 40px -22px rgba(0,0,0,.75);
  --sh-btn:0 0 0 1px rgba(200,67,58,.55),0 10px 26px -8px rgba(200,67,58,.6);
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--link);text-decoration:none;text-underline-offset:3px}
a:hover{color:var(--txt);text-decoration:underline}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--txt)}
p{margin:0 0 22px}
ul,ol{margin:0 0 22px;padding-left:22px}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:var(--sec) 0}
.band{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px}
.section-head h2{font-size:32px;letter-spacing:.01em}
.section-head p{margin:14px 0 0;color:var(--txt2);max-width:720px;font-size:16px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--gold);margin-bottom:14px;text-transform:uppercase;font-family:var(--num)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 顶部导航 */
.site-header{position:sticky;top:12px;z-index:60;padding:12px 0 0}
.nav-shell{
  background:var(--glass);backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--bd);border-radius:var(--r-lg);box-shadow:var(--sh-card);
  display:flex;align-items:center;gap:18px;padding:12px 16px;transition:all .24s ease;
}
.nav-shell.is-compact{padding:6px 16px;box-shadow:0 22px 48px -22px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--txt)}
.brand:hover{text-decoration:none;color:var(--txt)}
.brand__seal{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--rs);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--num);
  font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:0 0 0 1px rgba(217,163,74,.4)
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:17px;letter-spacing:.02em}
.brand__text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--txt3)}
.nav-cards{display:flex;gap:10px;flex:1 1 auto;justify-content:center}
.nav-card{
  min-width:104px;padding:8px 12px;border-radius:var(--r-md);border:1px solid transparent;
  display:flex;flex-direction:column;gap:2px;color:var(--txt2);transition:all .24s ease;
}
.nav-card i{font-style:normal;font-size:10px;color:var(--gold);opacity:.75}
.nav-card b{font-size:13px;font-weight:600;color:var(--txt)}
.nav-card span{font-size:11px;color:var(--txt3);letter-spacing:.02em}
.nav-card:hover{transform:translateY(-2px);border-color:rgba(200,67,58,.75);background:rgba(255,255,255,.05);text-decoration:none}
.nav-card:hover b{color:var(--txt)}
.nav-card.is-active{border-color:rgba(200,67,58,.75);background:rgba(200,67,58,.14)}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;background:transparent;border:1px solid var(--bd);color:var(--txt);border-radius:var(--r-md);width:44px;height:40px;cursor:pointer}
.drawer{
  display:none;position:fixed;inset:0;background:rgba(20,16,15,.97);z-index:80;
  padding:88px 18px 32px;backdrop-filter:blur(6px);
}
.drawer.is-open{display:block}
.drawer .drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer .nav-card{background:var(--glass);border:1px solid var(--bd);min-width:0}
.drawer-close{position:absolute;top:22px;right:20px;background:transparent;border:1px solid var(--bd);color:var(--txt);border-radius:var(--r-md);width:44px;height:40px;cursor:pointer}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .3s ease;text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--rs);color:#fff;box-shadow:var(--sh-btn)}
.btn--primary:hover{background:var(--rs-h);color:#fff;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(224,88,75,.6),0 16px 32px -10px rgba(200,67,58,.75)}
.btn--primary:active{background:var(--rs-a);transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--txt);border-color:rgba(245,241,236,.28)}
.btn--ghost:hover{background:rgba(255,255,255,.06);color:var(--txt)}
.btn--text{background:transparent;color:var(--link);padding:4px 0;font-weight:600}
.btn--text:hover{color:var(--txt)}
.btn--text .arw{transition:transform .3s ease;display:inline-block}
.btn--text:hover .arw{transform:translateX(3px)}
.btn-group{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;border:1px solid var(--bd);background:rgba(255,255,255,.05);color:var(--txt2)
}
.badge--seal{background:rgba(200,67,58,.12);border-color:rgba(200,67,58,.5);color:#F0B5AE}
.badge--indigo{background:rgba(46,125,116,.12);border-color:rgba(46,125,116,.5);color:#9FD3CB}
.badge--gold{background:rgba(217,163,74,.12);border-color:rgba(217,163,74,.5);color:#E9C88A}

/* 面包屑 + 文章头 */
.article-hero{padding:44px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0;padding:0;font-size:14px;color:var(--txt3)}
.crumbs li+li::before{content:"/";margin-right:10px;color:var(--txt3);opacity:.6}
.crumbs a{color:var(--txt2)}
.crumbs a:hover{color:var(--txt)}
.article-head{margin-top:32px;max-width:860px}
.article-head h1{font-size:44px;margin:18px 0 0;letter-spacing:.01em}
.meta-line{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line);font-size:14px;color:var(--txt3);font-family:var(--num)
}
.meta-line span::before{content:"";display:inline-block;width:6px;height:6px;background:var(--rs);margin-right:8px;vertical-align:middle;border-radius:2px}

/* 正文 */
.article-wrap{padding:56px 0 var(--sec)}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--txt)}
.article-body h2{font-size:30px;margin:44px 0 18px;padding-left:16px;border-left:3px solid var(--rs)}
.article-body h3{font-size:21px;margin:34px 0 14px}
.article-body h4{font-size:17px;margin:26px 0 12px;color:var(--txt2)}
.article-body p{margin:0 0 22px;color:var(--txt2)}
.article-body ul,.article-body ol{padding-left:0;list-style:none;margin:0 0 24px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--txt2)}
.article-body ul li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--rs);border-radius:2px}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:0;font-family:var(--num);font-size:13px;
  color:var(--gold);font-weight:700;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;border-left:3px solid var(--indigo);
  background:var(--glass);border-radius:var(--r-md);color:var(--txt2);font-size:16px
}
.article-body img{border-radius:var(--r-md);border:1px solid var(--bd);margin:28px auto}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;border-radius:var(--r-md);overflow:hidden}
.article-body th,.article-body td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;color:var(--txt2)}
.article-body th{background:rgba(255,255,255,.05);color:var(--txt);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body a{text-decoration:underline}
.article-body figcaption{font-size:12px;color:var(--txt3);text-align:center;margin-top:-14px;margin-bottom:26px}
.article-foot{
  max-width:800px;margin:48px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center
}
.share-note{font-size:14px;color:var(--txt3)}
.empty-state{
  max-width:800px;margin:0 auto;padding:56px 30px;text-align:center;
  background:var(--glass);border:1px solid var(--bd);border-radius:var(--r-lg);box-shadow:var(--sh-card)
}
.empty-state .mark{font-size:34px;color:var(--rs);font-family:var(--num)}
.empty-state h2{font-size:22px;margin:16px 0 10px}
.empty-state p{color:var(--txt2);margin-bottom:24px}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--glass);backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--bd);border-radius:var(--r-lg);box-shadow:var(--sh-card);
  overflow:hidden;display:flex;flex-direction:column;transition:all .3s ease
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-card),0 0 0 1px rgba(255,255,255,.06)}
.card__media{position:relative;aspect-ratio:16/9;background:rgba(255,255,255,.04);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;opacity:.92}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(200,67,58,.22),rgba(20,16,15,.55))}
.card__body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{font-size:20px}
.card__body p{font-size:15px;color:var(--txt2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{font-size:13px;color:var(--txt3);font-family:var(--num);margin-top:auto}

/* CTA 收口 */
.cta-card{
  background:var(--glass);border:1px solid var(--bd);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:40px;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between
}
.cta-card h3{font-size:24px}
.cta-card p{margin:12px 0 0;color:var(--txt2);max-width:620px;font-size:15px}

/* 页脚 */
.site-footer{background:var(--bg3);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin:18px 0 0;color:var(--txt3);font-size:14px;max-width:320px}
.footer-brand .brand{margin-bottom:4px}
.footer-col h4{font-size:15px;margin:0 0 16px;color:var(--txt)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--txt2);font-size:14px}
.footer-col a:hover{color:var(--txt)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--txt3);font-family:var(--num)
}
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:70;background:var(--glass);
  border:1px solid var(--bd);color:var(--txt);border-radius:var(--r-md);
  padding:10px 14px;font-size:13px;cursor:pointer;backdrop-filter:blur(12px);
  box-shadow:var(--sh-card);display:none
}
.to-top.is-visible{display:block}
.to-top:hover{border-color:rgba(200,67,58,.7)}

@media (max-width:1279px){
  .container{padding:0 28px}
  :root{--sec:72px}
}
@media (max-width:1023px){
  .nav-cards{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-head h1{font-size:36px}
  .article-body h2{font-size:26px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  :root{--sec:56px}
  body{font-size:15px}
  .site-header{top:8px;padding-top:8px}
  .nav-shell{padding:10px 12px;gap:10px}
  .article-head h1{font-size:30px}
  .article-body,.article-body p{font-size:15px}
  .article-body h2{font-size:22px;margin-top:34px}
  .meta-line{gap:14px}
  .rel-grid,.footer-grid{grid-template-columns:1fr}
  .cta-card{padding:26px}
  .article-wrap{padding:36px 0 var(--sec)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#C8433A;
  --brand-hi:#E0584B;
  --brand-lo:#A3342C;
  --teal:#2E7D74;
  --gold:#D9A34A;
  --bg:#14100F;
  --bg-2:#1A1514;
  --bg-3:#1E1817;
  --text:#F5F1EC;
  --text-2:#B9AFA6;
  --text-3:#8A8078;
  --link:#E8A79E;
  --line:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-lift:0 18px 40px -22px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.06);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(200,67,58,.16),transparent 70%),
    radial-gradient(620px 400px at 92% 4%,rgba(46,125,116,.12),transparent 72%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--link);text-decoration:none;text-underline-offset:3px;transition:color .24s ease;}
a:hover{color:var(--text);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.01em;}
h1{font-size:44px;line-height:1.2;}
h2{font-size:32px;line-height:1.28;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:var(--r-md);z-index:99;}
.skip-link:focus{left:16px;top:16px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
  position:relative;
  z-index:1;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:12px 0 4px;
  transition:padding .24s ease;
}
.header-shell{
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 16px;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:linear-gradient(160deg,rgba(30,24,23,.92),rgba(20,16,15,.88));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
  transition:padding .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{padding-top:0;}
.site-header.is-scrolled .header-shell{
  padding:8px 16px;
  box-shadow:0 20px 44px -20px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand__seal{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:linear-gradient(150deg,var(--brand-hi),var(--brand-lo));
  color:#fff;
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  box-shadow:0 10px 22px -12px rgba(200,67,58,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__text strong{font-size:19px;font-weight:700;letter-spacing:.02em;}
.brand__text em{
  font-style:normal;
  font-size:11px;
  letter-spacing:.22em;
  color:var(--text-2);
  margin-top:3px;
}
.nav-cards{
  display:flex;
  gap:10px;
  margin-left:auto;
  margin-right:auto;
}
.nav-card{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:104px;
  padding:10px 12px;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:var(--glass);
  color:var(--text);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.nav-card i{font-style:normal;font-size:10px;color:var(--gold);letter-spacing:.1em;}
.nav-card b{font-size:14px;font-weight:600;white-space:nowrap;}
.nav-card span{font-size:11px;color:var(--text-3);white-space:nowrap;}
.nav-card:hover,.nav-card:focus-visible{
  transform:translateY(-2px);
  border-color:rgba(200,67,58,.65);
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.035));
  color:var(--text);
}
.nav-card.is-active{
  border-color:rgba(200,67,58,.8);
  background:linear-gradient(160deg,rgba(200,67,58,.24),rgba(200,67,58,.08));
}
.nav-card.is-active b{color:#fff;}
.header-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:var(--glass);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(200,67,58,.6);}

/* 移动抽屉 */
.drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(12,9,8,.94);
  backdrop-filter:blur(10px);
  padding:84px 18px 32px;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer__grid .nav-card{min-width:0;width:100%;}
.drawer__close{
  position:absolute;top:20px;right:20px;
  width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--glass-border);background:var(--glass);color:var(--text);
  font-size:18px;cursor:pointer;
}
.drawer__foot{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,border-color .3s ease,color .3s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(150deg,var(--brand-hi),var(--brand));
  color:#fff;
  box-shadow:0 0 0 1px rgba(200,67,58,.55),0 10px 26px -8px rgba(200,67,58,.6);
}
.btn--primary:hover,.btn--primary:focus-visible{
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(200,67,58,.7),0 16px 34px -10px rgba(200,67,58,.75);
}
.btn--primary:active{background:linear-gradient(150deg,var(--brand),var(--brand-lo));transform:translateY(0);}
.btn--ghost{
  background:transparent;
  border-color:rgba(245,241,236,.28);
  color:var(--text);
}
.btn--ghost:hover,.btn--ghost:focus-visible{background:rgba(255,255,255,.06);color:var(--text);transform:translateY(-1px);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn i{font-size:14px;transition:transform .3s ease;}
.btn:hover i{transform:translateX(3px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--link);
}
.link-arrow i{font-size:12px;transition:transform .3s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:var(--r-md);
  border:1px solid rgba(200,67,58,.45);
  background:rgba(200,67,58,.12);
  color:#F0C7C1;
  font-size:12.5px;
  letter-spacing:.04em;
}
.badge--teal{border-color:rgba(46,125,116,.5);background:rgba(46,125,116,.12);color:#A9DCD3;}
.badge--gold{border-color:rgba(217,163,74,.5);background:rgba(217,163,74,.1);color:#EBCB92;}
.badge--plain{border-color:var(--glass-border);background:rgba(255,255,255,.05);color:var(--text-2);}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  font-size:12.5px;
  letter-spacing:.04em;
}
.count-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:30px;
  height:30px;
  padding:0 8px;
  border-radius:var(--r-sm);
  border:1px solid rgba(217,163,74,.45);
  background:rgba(217,163,74,.1);
  color:#EBCB92;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg-2);}
.section--alt2{background:var(--bg-3);}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16.5px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--gold);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);opacity:.7;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 分类 Banner ---------- */
.cat-hero{padding:56px 0 72px;}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:26px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--text);}
.crumb span.sep{color:rgba(255,255,255,.22);}
.banner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
  padding:36px;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.banner h1{margin:18px 0 16px;}
.banner h1 em{
  font-style:normal;
  color:var(--brand-hi);
}
.banner p{color:var(--text-2);font-size:16.5px;margin-bottom:0;max-width:560px;}
.banner__badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.banner__media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-border);
  aspect-ratio:4/3;
  background:var(--glass);
}
.banner__media img{width:100%;height:100%;object-fit:cover;}
.banner__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(200,67,58,.28),rgba(20,16,15,.15) 70%);
}
.banner__seal{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  display:flex;align-items:center;gap:9px;
  padding:8px 13px;
  border-radius:var(--r-sm);
  border:1px solid rgba(217,163,74,.5);
  background:rgba(20,16,15,.72);
  color:#EBCB92;
  font-size:12.5px;
  letter-spacing:.06em;
}

/* ---------- 错位卡片网格 ---------- */
.stagger{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.stagger__col{display:flex;flex-direction:column;gap:32px;}
.stagger__col--down{margin-top:48px;}
.cat-card{
  padding:28px;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.cat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(200,67,58,.55);
  box-shadow:var(--shadow-lift);
}
.cat-card__icon{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  border:1px solid rgba(200,67,58,.42);
  background:rgba(200,67,58,.12);
  color:var(--brand-hi);
  font-size:19px;
  margin-bottom:20px;
}
.cat-card__icon--teal{border-color:rgba(46,125,116,.45);background:rgba(46,125,116,.12);color:#7FC9BE;}
.cat-card h3{margin-bottom:12px;}
.cat-card p{
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.8;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cat-card__tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.cat-card__foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.cat-card__index{
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--text-3);
}

/* ---------- 全宽玻璃条 ---------- */
.glass-bar{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:center;
  padding:36px;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:linear-gradient(160deg,rgba(200,67,58,.14),rgba(255,255,255,.03) 62%);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.glass-bar h2{font-size:28px;margin-bottom:14px;}
.glass-bar p{color:var(--text-2);font-size:16px;margin-bottom:20px;}
.stat-row{display:flex;gap:14px;flex-wrap:wrap;}
.stat{
  flex:1 1 130px;
  padding:18px;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:rgba(20,16,15,.5);
}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  line-height:1.1;
  color:#fff;
}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);}
.glass-bar__media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-border);
  aspect-ratio:16/9;
  background:var(--glass);
}
.glass-bar__media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 自查清单 ---------- */
.check-list{
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:var(--glass);
  overflow:hidden;
}
.check-row{
  display:grid;
  grid-template-columns:56px 1fr 168px;
  gap:20px;
  align-items:center;
  padding:22px 28px;
  border-bottom:1px solid var(--line);
  transition:background .24s ease;
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:rgba(255,255,255,.04);}
.check-row h4{margin-bottom:6px;}
.check-row p{margin:0;color:var(--text-2);font-size:15px;line-height:1.75;}
.check-row__side{display:flex;justify-content:flex-end;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.accordion.faq-accordion{
  margin:0;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:var(--glass);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
}
.faq-accordion .accordion-item{border-bottom:1px solid var(--line);}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:17.5px;
  font-weight:700;
  line-height:1.5;
  transition:background .24s ease,color .24s ease;
}
.faq-accordion .accordion-title:hover{background:rgba(255,255,255,.045);color:#fff;}
.faq-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  order:2;
  font-size:13px;
  color:var(--gold);
  transition:transform .18s ease,color .18s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"\f068";
  transform:rotate(180deg);
  color:var(--brand-hi);
}
.faq-accordion .accordion-title::after{display:none;}
.faq-accordion .accordion-content{
  padding:0 26px 24px 26px;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}
.faq-accordion .accordion-content p{margin:0 0 10px;color:var(--text-2);}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-card{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:center;
  padding:40px;
  border-radius:var(--r-lg);
  border:1px solid rgba(200,67,58,.35);
  background:linear-gradient(150deg,rgba(200,67,58,.2),rgba(255,255,255,.03) 68%);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.cta-card h2{font-size:28px;margin-bottom:12px;}
.cta-card p{color:var(--text-2);margin:0;font-size:16px;}
.cta-card__actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(26,21,20,.7),rgba(20,16,15,1));
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin:18px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.04em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:var(--text-2);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--text);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:22px;
  font-size:13.5px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.footer-bottom .cn{color:var(--text-3);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  z-index:70;
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:rgba(26,21,20,.9);
  color:var(--text-2);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,color .3s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{color:#fff;transform:translateY(-2px);border-color:rgba(200,67,58,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .nav-card{min-width:96px;padding:9px 10px;}
  .nav-card b{font-size:13.5px;}
  h1{font-size:40px;}
}
@media (max-width:1023px){
  .container{padding:0 28px;}
  .nav-cards,.header-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  h1{font-size:34px;}
  h2{font-size:27px;}
  .banner{grid-template-columns:1fr;gap:28px;padding:28px;}
  .banner__media{aspect-ratio:16/9;}
  .glass-bar{grid-template-columns:1fr;gap:28px;padding:28px;}
  .cta-card{grid-template-columns:1fr;padding:28px;}
  .cta-card__actions{justify-content:flex-start;}
  .faq-grid{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .check-row{grid-template-columns:48px 1fr;gap:16px;padding:20px 22px;}
  .check-row__side{grid-column:1 / -1;justify-content:flex-start;}
}
@media (max-width:767px){
  .stagger{grid-template-columns:1fr;gap:22px;padding-bottom:0;}
  .stagger__col{gap:22px;}
  .stagger__col--down{margin-top:0;}
  .cat-card{padding:24px;}
  .check-row{padding:18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .brand__seal{width:40px;height:40px;font-size:13px;}
  .brand__text strong{font-size:17px;}
  .brand__text em{font-size:10px;letter-spacing:.16em;}
  .banner{padding:22px;}
  .glass-bar{padding:22px;}
  .cta-card{padding:22px;}
  .btn{width:100%;}
  .cta-card__actions{width:100%;}
  .drawer__grid{grid-template-columns:1fr;}
  .faq-accordion .accordion-title{padding:18px 20px;font-size:16.5px;}
  .faq-accordion .accordion-content{padding:0 20px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand:#C8433A;
  --brand-hover:#E0584B;
  --brand-active:#A3342C;
  --indigo:#2E7D74;
  --gold:#D9A34A;
  --bg-page:#14100F;
  --bg-alt:#1A1514;
  --bg-alt2:#1E1817;
  --text:#F5F1EC;
  --text-2:#B9AFA6;
  --text-3:#8A8078;
  --link:#E8A79E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-float:0 18px 40px -22px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.06);
  --shadow-btn:0 0 0 1px rgba(200,67,58,.55),0 10px 26px -8px rgba(200,67,58,.6);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 12% 8%,rgba(200,67,58,.10),transparent 46%),
    radial-gradient(circle at 88% 4%,rgba(46,125,116,.09),transparent 44%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.02) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 1px,transparent 1px 34px);
}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;text-underline-offset:3px;transition:color .25s ease}
a:hover{color:var(--text)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
  border-radius:var(--radius-sm);
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.container{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}
.section{padding:var(--space-section) 0}
.section--alt{background:var(--bg-alt)}
.section--alt2{background:var(--bg-alt2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--gold);display:block}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 顶部导航 ============ */
.topbar{
  position:sticky;top:12px;z-index:60;
  padding:0 40px;
  margin:0 auto;
  max-width:1320px;
}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  padding:12px 16px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
  transition:padding .24s ease,box-shadow .24s ease,background .3s ease;
}
.nav-shell.is-scrolled{padding:6px 16px;box-shadow:0 22px 46px -22px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__seal{
  width:44px;height:44px;flex:0 0 44px;
  display:grid;place-items:center;
  border-radius:var(--radius-sm);
  background:linear-gradient(150deg,var(--brand),var(--brand-active));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:17px;letter-spacing:.02em;
  box-shadow:0 8px 20px -10px rgba(200,67,58,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-family:var(--font-num);font-size:19px;letter-spacing:.06em;color:var(--text)}
.brand__text em{font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--text-2);margin-top:3px}
.nav-cards{display:flex;align-items:stretch;gap:10px;margin-left:auto}
.nav-card{
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  min-width:96px;max-width:124px;
  padding:9px 12px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
}
.nav-card i{font-style:normal;font-size:10px;color:var(--brand);line-height:1}
.nav-card b{font-size:13px;font-weight:600;line-height:1.3;white-space:nowrap}
.nav-card span{font-size:11px;color:var(--text-3);line-height:1.2;white-space:nowrap}
.nav-card:hover{transform:translateY(-2px);border-color:rgba(200,67,58,.75);background:rgba(255,255,255,.055);color:var(--text)}
.nav-card.is-active{border-color:rgba(200,67,58,.85);background:rgba(200,67,58,.14);box-shadow:0 0 0 1px rgba(200,67,58,.35)}
.nav-cta{flex:0 0 auto;margin-left:6px}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:var(--radius-md);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  display:none;
  margin-top:10px;
  padding:16px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:rgba(20,16,15,.96);
  backdrop-filter:blur(14px);
}
.drawer.is-open{display:block}
.drawer .nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
.drawer .nav-card{max-width:none;min-width:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.btn--primary{
  background:linear-gradient(150deg,var(--brand),var(--brand-active));
  color:#fff;box-shadow:var(--shadow-btn);
}
.btn--primary:hover{background:linear-gradient(150deg,var(--brand-hover),var(--brand));color:#fff;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(224,88,75,.7),0 16px 34px -10px rgba(200,67,58,.75)}
.btn--primary:active{background:var(--brand-active);transform:translateY(0)}
.btn--ghost{
  background:transparent;color:var(--text);
  border-color:rgba(245,241,236,.28);
}
.btn--ghost:hover{background:rgba(255,255,255,.06);color:var(--text);transform:translateY(-1px)}
.btn--sm{padding:10px 16px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--link);
}
.btn-link i{font-style:normal;transition:transform .25s ease}
.btn-link:hover i{transform:translateX(3px)}

/* ============ 胶囊 / 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
}
.pill--brand{border-color:rgba(200,67,58,.5);background:rgba(200,67,58,.12);color:#F0B3AB}
.pill--indigo{border-color:rgba(46,125,116,.5);background:rgba(46,125,116,.12);color:#9ED4CC}
.pill--gold{border-color:rgba(217,163,74,.5);background:rgba(217,163,74,.12);color:#EBC684}

/* ============ 面包屑 ============ */
.crumb{padding:34px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.2)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--text)}
.crumb [aria-current]{color:var(--text)}

/* ============ Banner ============ */
.banner{padding:26px 0 0}
.banner-card{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
  padding:36px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.banner-card h1{font-size:44px;margin:16px 0 0}
.banner-card h1 span{color:var(--brand-hover)}
.banner-card p.lead{margin-top:16px;color:var(--text-2);font-size:17px;max-width:52ch}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.banner-media{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  overflow:hidden;
  background:linear-gradient(150deg,rgba(200,67,58,.2),rgba(20,16,15,.9));
}
.banner-media img{width:100%;height:100%;object-fit:cover;opacity:.86}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(200,67,58,.22),rgba(20,16,15,.25) 62%,rgba(20,16,15,.8));
}

/* ============ 双栏：目录 + 正文 ============ */
.layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.toc{position:sticky;top:104px}
.toc-card{
  padding:24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.toc-card h2{font-size:15px;letter-spacing:.06em;color:var(--text-2);font-weight:600}
.toc-list{margin-top:16px;border-top:1px solid var(--line)}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:12px 12px;
  font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;
  border-bottom:1px solid var(--line);
  transition:color .22s ease,border-color .22s ease,background .22s ease,padding-left .22s ease;
}
.toc-list a b{font-family:var(--font-num);font-size:12px;color:var(--text-3);font-weight:600}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.04);padding-left:16px}
.toc-list a.is-current{color:var(--text);border-left-color:var(--brand);background:rgba(200,67,58,.1)}
.toc-note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.7}

.guide-block{
  padding:32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.028);
  box-shadow:var(--shadow-card);
  margin-bottom:26px;
  scroll-margin-top:120px;
}
.guide-block:last-child{margin-bottom:0}
.guide-head{display:flex;gap:16px;align-items:flex-start}
.step-mark{
  flex:0 0 44px;width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--radius-sm);
  background:rgba(217,163,74,.14);
  border:1px solid rgba(217,163,74,.55);
  color:var(--gold);
  font-family:var(--font-num);font-weight:700;font-size:15px;
}
.guide-head h2{font-size:24px}
.guide-head .sub{margin-top:6px;font-size:13px;color:var(--text-3);letter-spacing:.04em}
.guide-body{margin-top:20px;color:var(--text-2);font-size:16px}
.guide-body p+p{margin-top:16px}
.guide-body strong{color:var(--text);font-weight:600}
.guide-figure{
  margin-top:22px;
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:20px;
  align-items:center;
  padding:18px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.guide-figure .thumb{
  aspect-ratio:4/3;border-radius:var(--radius-sm);
  overflow:hidden;border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(46,125,116,.18),rgba(20,16,15,.9));
}
.guide-figure .thumb img{width:100%;height:100%;object-fit:cover}
.guide-figure figcaption{font-size:14px;color:var(--text-3);line-height:1.75}
.guide-figure figcaption b{display:block;color:var(--text);font-size:15px;margin-bottom:6px;font-weight:600}

.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.75}
.check-list li::before{content:"";flex:0 0 7px;width:7px;height:7px;margin-top:9px;background:var(--brand);border-radius:2px}

/* ============ 对比表 ============ */
.table-wrap{
  margin-top:26px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  overflow:hidden;
  background:rgba(255,255,255,.025);
}
table.compare{width:100%;border-collapse:collapse;font-size:15px}
table.compare caption{
  text-align:left;padding:18px 24px 0;font-size:13px;color:var(--text-3);letter-spacing:.04em;
}
table.compare th,table.compare td{
  padding:16px 24px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  font-size:13px;letter-spacing:.04em;color:var(--text-2);font-weight:600;
  background:rgba(255,255,255,.045);
}
table.compare tbody tr:nth-child(odd){background:rgba(255,255,255,.018)}
table.compare tbody tr:hover{background:rgba(200,67,58,.07)}
table.compare tbody th{font-weight:600;color:var(--text);width:26%}
table.compare td{color:var(--text-2)}
table.compare td.ok{color:#9ED4CC}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}

/* ============ FAQ ============ */
.qa-wrap{margin-top:32px;border-top:1px solid var(--line)}
.qa-item{border-bottom:1px solid var(--line)}
.qa-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;
  font-size:18px;font-weight:600;color:var(--text);
  transition:color .22s ease;
}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary:hover{color:#F0B3AB}
.qa-item summary::after{
  content:"+";
  flex:0 0 26px;width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  color:var(--gold);
  font-family:var(--font-num);font-size:18px;line-height:1;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.qa-item[open] summary::after{content:"−";background:rgba(217,163,74,.14);transform:rotate(180deg)}
.qa-body{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:72ch}
.qa-body p+p{margin-top:12px}

/* ============ CTA 收口 ============ */
.cta-band{
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  padding:40px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(200,67,58,.35);
  background:linear-gradient(150deg,rgba(200,67,58,.16),rgba(255,255,255,.035));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:30px}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:16px}
.subscribe{display:flex;gap:12px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 220px;min-width:0;
  padding:13px 16px;
  border-radius:var(--radius-md);
  border:1px solid var(--line-strong);
  background:rgba(0,0,0,.28);
  color:var(--text);
  font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.subscribe input::placeholder{color:var(--text-3)}
.subscribe input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,67,58,.22);
  background:rgba(0,0,0,.4);
}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--space-section);
  background:var(--bg-alt2);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:34ch}
.footer-col h4{font-size:15px;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li+li{margin-top:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--text)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 32px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom .cn{color:var(--text-2)}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:var(--radius-md);
  border:1px solid var(--line-strong);
  background:rgba(20,16,15,.86);
  backdrop-filter:blur(10px);
  color:var(--text-2);font-size:13px;
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,color .25s ease,border-color .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{color:var(--text);border-color:rgba(200,67,58,.65)}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
  .topbar{padding:0 28px}
  .layout{grid-template-columns:240px minmax(0,1fr);gap:36px}
  .banner-card h1{font-size:40px}
}
@media (max-width:1023px){
  :root{--space-section:72px}
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .banner-card{grid-template-columns:1fr;gap:26px}
  .banner-card h1{font-size:34px}
  .layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .toc-card{padding:18px 20px}
  .toc-list{max-height:none}
  .cta-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .topbar{padding:0 18px;top:10px}
  .brand__seal{width:40px;height:40px;flex:0 0 40px;font-size:15px}
  .brand__text strong{font-size:17px}
  .brand__text em{font-size:10px;letter-spacing:.16em}
  .banner-card{padding:26px 22px}
  .banner-card h1{font-size:30px}
  .section-head h2{font-size:26px}
  .guide-block{padding:24px 20px}
  .guide-head h2{font-size:21px}
  .guide-figure{grid-template-columns:1fr}
  .qa-item summary{font-size:16px;padding:18px 0}
  table.compare th,table.compare td{padding:13px 16px;font-size:14px}
  table.compare thead{display:none}
  table.compare tbody th{display:block;width:auto;border-bottom:0;padding-bottom:4px}
  table.compare tbody td{display:block;padding-top:0}
  table.compare caption{padding:16px 16px 0}
  .cta-band{padding:26px 22px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:479px){
  .banner-card h1{font-size:27px}
  .subscribe input{flex:1 1 100%}
  .subscribe .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#C8433A;
  --brand-hover:#E0584B;
  --brand-active:#A3342C;
  --teal:#2E7D74;
  --gold:#D9A34A;
  --bg-0:#14100F;
  --bg-1:#1A1514;
  --bg-2:#1E1817;
  --ink:#F5F1EC;
  --ink-2:#B9AFA6;
  --ink-3:#8A8078;
  --link:#E8A79E;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-lift:0 18px 40px -22px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.06);
  --sp-lg:96px;
  --sp-md:72px;
  --sp-sm:56px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(200,67,58,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,67,58,.04) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;text-underline-offset:3px;transition:color .25s ease}
a:hover{color:var(--ink);text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-cn);color:var(--ink);margin:0 0 14px;font-weight:700;letter-spacing:.01em}
h1{font-size:46px;line-height:1.2}
h2{font-size:32px;line-height:1.3}
h3{font-size:21px;line-height:1.45}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 18px;color:var(--ink-2)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:var(--r-sm)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;position:relative;z-index:1}
section{position:relative;z-index:1}
.section{padding:var(--sp-lg) 0}
.section--alt{background:var(--bg-1)}
.section--deep{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{font-size:17px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--gold);text-transform:uppercase;font-family:var(--font-num);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);display:block}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:12px 0 0}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--glass);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-card);
  padding:12px 16px;
  transition:padding .24s ease,box-shadow .24s ease,background .24s ease;
}
.site-header.is-scrolled .nav-shell{padding:6px 16px;box-shadow:var(--shadow-lift),0 22px 44px -26px rgba(0,0,0,.85)}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand__seal{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:linear-gradient(150deg,var(--brand),var(--brand-active));
  color:#FFF6F4;font-family:var(--font-num);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(200,67,58,.55),0 8px 18px -10px rgba(200,67,58,.8);
  letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-family:var(--font-num);font-size:17px;letter-spacing:.06em;color:var(--ink)}
.brand__text em{font-style:normal;font-size:11.5px;letter-spacing:.16em;color:var(--ink-2)}
.nav-cards{display:flex;align-items:stretch;gap:8px;margin-left:auto}
.nav-card{
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  min-width:104px;padding:9px 12px;border-radius:var(--r-md);
  border:1px solid transparent;background:rgba(255,255,255,.03);
  color:var(--ink-2);text-decoration:none;transition:transform .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
}
.nav-card i{font-style:normal;font-size:10px;color:var(--brand);line-height:1}
.nav-card b{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.3}
.nav-card span{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.nav-card:hover{transform:translateY(-2px);border-color:rgba(200,67,58,.55);background:rgba(255,255,255,.06);text-decoration:none}
.nav-card.is-active{border-color:rgba(200,67,58,.7);background:rgba(200,67,58,.12);box-shadow:0 0 0 1px rgba(200,67,58,.25) inset}
.nav-card.is-active b{color:#FFE6E1}
.nav-cta{flex:0 0 auto;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);cursor:pointer;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:14px 24px;border-radius:var(--r-md);
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,border-color .3s ease,color .3s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{
  background:var(--brand);color:#FFF7F5;
  box-shadow:0 0 0 1px rgba(200,67,58,.55),0 10px 26px -8px rgba(200,67,58,.6);
}
.btn--primary:hover{background:var(--brand-hover);color:#FFF7F5;box-shadow:0 0 0 1px rgba(224,88,75,.6),0 16px 34px -10px rgba(200,67,58,.85)}
.btn--primary:active{background:var(--brand-active)}
.btn--ghost{
  background:transparent;color:var(--ink);border-color:rgba(245,241,236,.28);
}
.btn--ghost:hover{background:rgba(255,255,255,.06);color:var(--ink)}
.btn--sm{padding:10px 16px;font-size:13.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--link)}
.link-arrow span{display:inline-block;transition:transform .25s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;letter-spacing:.04em;line-height:1;
  padding:7px 12px;border-radius:999px;
  border:1px solid rgba(46,125,116,.45);background:rgba(46,125,116,.12);color:#8FD3CA;
  font-family:var(--font-num);
}
.pill--brand{border-color:rgba(200,67,58,.5);background:rgba(200,67,58,.12);color:#F0B0A8}
.pill--gold{border-color:rgba(217,163,74,.5);background:rgba(217,163,74,.12);color:#EBC588}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0;font-size:13.5px;color:var(--ink-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-3);opacity:.6}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb [aria-current="page"]{color:var(--ink-2)}

/* ---------- Banner ---------- */
.banner{padding:34px 0 var(--sp-md)}
.banner-card{
  display:grid;grid-template-columns:1.08fr .92fr;gap:0;
  border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
}
.banner-body{padding:44px 40px}
.banner-body h1{margin-bottom:16px}
.banner-body h1 .hl{color:var(--brand-hover)}
.banner-body .lead{font-size:17px;color:var(--ink-2);max-width:52ch}
.banner-media{position:relative;min-height:320px;background:linear-gradient(160deg,rgba(200,67,58,.18),rgba(20,16,15,.6)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-left:1px solid var(--line-2)}
.banner-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(200,67,58,.08),rgba(20,16,15,0) 70%)}
.banner-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.banner-facts div{min-width:120px}
.banner-facts b{display:block;font-family:var(--font-num);font-size:22px;color:var(--ink);line-height:1.2}
.banner-facts span{font-size:13px;color:var(--ink-3)}

/* ---------- 横向长卡 ---------- */
.lcard{
  display:grid;grid-template-columns:.82fr 1.18fr;gap:0;
  border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
  margin-bottom:28px;transition:box-shadow .3s ease,transform .3s ease;
}
.lcard:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
.lcard__media{position:relative;min-height:250px;border-right:1px solid var(--line-2);background:rgba(255,255,255,.03)}
.lcard__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.lcard__body{padding:32px 34px}
.lcard__body h3{margin:14px 0 12px}
.lcard__body p{margin-bottom:16px;font-size:16px}
.ticks{display:grid;gap:9px;margin:0 0 18px}
.ticks li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.85}

/* ---------- 时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.step{
  position:relative;padding:28px 24px;border-radius:var(--r-lg);
  border:1px solid var(--line-2);background:var(--glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
}
.step__no{
  width:30px;height:30px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13.5px;font-weight:700;color:#20160F;
  background:linear-gradient(150deg,#EBC588,var(--gold));
  box-shadow:0 0 0 1px rgba(217,163,74,.6);margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;margin:0}
.step::after{
  content:"";position:absolute;top:42px;right:-11px;width:11px;height:1px;background:var(--line-2);
}
.steps .step:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:18px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--font-num);font-size:22px;line-height:1;color:var(--brand);
  transition:transform .18s ease,color .18s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);color:var(--gold)}
.faq-item .faq-body{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:80ch}
.faq-item summary:hover{color:#FFE6E1}

/* ---------- CTA ---------- */
.cta-card{
  display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:34px;
  padding:44px 44px;border-radius:var(--r-lg);
  border:1px solid rgba(200,67,58,.35);
  background:
    radial-gradient(120% 160% at 100% 0%,rgba(200,67,58,.22),transparent 55%),
    var(--glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
}
.cta-card h2{margin-bottom:10px}
.cta-card p{margin:0;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{padding:var(--sp-md) 0 34px;background:var(--bg-1);border-top:1px solid var(--line);position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:38px;border-bottom:1px solid var(--line)}
.footer-brand p{font-size:14.5px;color:var(--ink-3);margin-top:16px;max-width:34ch}
.footer-col h4{font-size:15px;letter-spacing:.02em;color:var(--ink);margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:var(--ink-2)}
.footer-col a:hover{color:var(--ink)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:20px;font-size:13.5px;color:var(--ink-3);font-family:var(--font-num)}
.footer-bottom .cn{font-family:var(--font-cn)}

/* ---------- Foundation 覆盖 ---------- */
.grid-x{display:flex;flex-flow:row wrap}
.grid-margin-x{margin-left:-14px;margin-right:-14px}
.grid-margin-x>.cell{padding-left:14px;padding-right:14px}
.cell{flex:0 0 auto;min-width:0}
.small-12{width:100%}
.medium-6{width:50%}
.large-4{width:33.3333%}
.large-5{width:41.6666%}
.medium-7{width:58.3333%}
.align-middle{align-items:center}
.medium-5{width:41.6666%}
.medium-4{width:33.3333%}
.medium-8{width:66.6666%}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .nav-card{min-width:96px;padding:8px 10px}
  .nav-card b{font-size:13px}
}
@media screen and (max-width:1023px){
  :root{--sp-lg:72px;--sp-md:56px}
  .container{padding:0 28px}
  h1{font-size:38px}
  h2{font-size:28px}
  .nav-cards{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;grid-template-columns:1fr 1fr;gap:10px;
    background:rgba(20,16,15,.96);border:1px solid var(--line-2);border-radius:var(--r-lg);
    padding:14px;box-shadow:0 26px 50px -24px rgba(0,0,0,.9);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    margin-left:0;
  }
  .nav-shell{position:relative}
  .nav-cards.is-open{display:grid}
  .nav-card{width:100%;min-width:0}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .banner-card{grid-template-columns:1fr}
  .banner-media{order:-1;min-height:230px;border-left:0;border-bottom:1px solid var(--line-2)}
  .banner-body{padding:32px 28px}
  .lcard{grid-template-columns:1fr}
  .lcard__media{border-right:0;border-bottom:1px solid var(--line-2);min-height:200px}
  .lcard__media img{aspect-ratio:16/9}
  .lcard__body{padding:26px 24px}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .cta-card{grid-template-columns:1fr;padding:34px 28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .medium-4,.medium-5,.medium-6,.medium-7,.medium-8,.large-4,.large-5{width:100%}
}
@media screen and (max-width:639px){
  :root{--sp-lg:56px;--sp-md:48px}
  .container{padding:0 18px}
  h1{font-size:31px}
  h2{font-size:24px}
  h3{font-size:19px}
  body{font-size:15.5px}
  .brand__text em{font-size:11px;letter-spacing:.12em}
  .banner-body{padding:26px 20px}
  .banner-facts{gap:18px}
  .banner-facts b{font-size:19px}
  .steps{grid-template-columns:1fr}
  .step{padding:22px 20px}
  .faq-item summary{font-size:16.5px;padding:18px 2px}
  .cta-card{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}