/* roulang page: index */
:root{
  --primary:#E8452C;
  --primary-hover:#C7331C;
  --primary-active:#A82A17;
  --primary-soft:#FDECE8;
  --deep:#12302E;
  --dark:#0E1A19;
  --gold:#D8A657;
  --bg:#F7F5F1;
  --bg-alt:#EFEBE4;
  --card:#FFFFFF;
  --line:#E3DED6;
  --text:#14171C;
  --text-2:#5A5F66;
  --text-3:#8B9096;
  --on-dark:#F2F0EA;
  --on-dark-2:#A9B3B0;
  --r-card:16px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:12px;
  --r-table:18px;
  --sh-1:0 1px 2px rgba(20,23,28,.05), 0 8px 24px rgba(20,23,28,.06);
  --sh-2:0 12px 32px rgba(20,23,28,.12);
  --sh-3:0 16px 40px rgba(20,23,28,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --cw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  letter-spacing:-.01em;
  font-weight:700;
}
.section-head .sub{
  margin-top:12px;
  color:var(--text-2);
  font-size:16px;
  max-width:64ch;
}
.section-head--flex{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--dark);
  color:var(--on-dark-2);
  font-size:13px;
  line-height:1;
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar .tb-left{display:flex;align-items:center;gap:8px;color:var(--on-dark);}
.topbar .tb-left i{color:var(--gold);font-size:12px;}
.topbar .tb-right{display:flex;align-items:center;gap:22px;}
.topbar .tb-right a{color:var(--on-dark-2);font-size:13px;}
.topbar .tb-right a:hover{color:#fff;}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,241,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),padding .22s var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(20,23,28,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:78px;
  transition:min-height .22s var(--ease);
}
.site-header.is-stuck .header-inner{min-height:66px;}
.logo{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  flex:0 0 auto;
  white-space:nowrap;
}
.logo .logo-main{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
}
.logo .logo-sub{
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:6px;
  padding:2px 7px;
  line-height:1.5;
}
.logo:hover .logo-main{color:var(--primary);}

.nav-chips{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-chip);
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  background:transparent;
  border:1px solid transparent;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.chip:hover{background:#fff;color:var(--text);}
.chip.is-active{
  background:var(--primary-soft);
  color:var(--primary);
  border-color:rgba(232,69,44,.28);
  font-weight:600;
}
.header-actions{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:18px;
}
.login-link{
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
}
.login-link:hover{color:var(--primary);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(232,69,44,.24);
}
.btn--primary:hover{
  background:var(--primary-hover);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(232,69,44,.3);
}
.btn--primary:active{background:var(--primary-active);transform:translateY(0);}
.btn--ghost{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-hover);}
.btn--dark{
  background:#fff;
  color:var(--dark);
}
.btn--dark:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:5px;
  text-decoration-thickness:1px;
}
.link-arrow i{transition:transform .2s var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.hero{
  padding:76px 0 88px;
  background:linear-gradient(180deg,#FBF9F6 0%,var(--bg) 100%);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-copy{text-align:left;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-chip);
  padding:6px 14px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,5.2vw,62px);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:14em;
}
.hero-lead{
  margin-top:22px;
  font-size:18px;
  line-height:1.7;
  color:var(--text-2);
  max-width:36em;
}
.hero-cta{
  margin-top:34px;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.hero-metrics{
  margin-top:44px;
  display:flex;
  gap:48px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-top:28px;
}
.metric-num{
  font-size:clamp(28px,3.4vw,38px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--text);
}
.metric-num em{font-style:normal;color:var(--primary);}
.metric-label{
  margin-top:6px;
  font-size:14px;
  color:var(--text-3);
}
.hero-visual{position:relative;}
.hero-figure{
  aspect-ratio:16/10;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--sh-3);
  position:relative;
}
.hero-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(14,26,25,0) 45%,rgba(14,26,25,.42) 100%);
}
.hero-card{
  position:absolute;
  right:-14px;
  bottom:-26px;
  width:290px;
  background:#fff;
  border-radius:var(--r-card);
  box-shadow:var(--sh-3);
  padding:22px 22px 20px;
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-4px);}
}
.hero-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
}
.hero-card ul{margin-top:14px;display:grid;gap:11px;}
.hero-card li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.5;
}
.hero-card li i{
  color:var(--primary);
  font-size:13px;
  margin-top:4px;
  flex:0 0 auto;
}
.hero-card .btn{margin-top:18px;}

/* ============ 数据条 ============ */
.trust{
  background:var(--dark);
  color:var(--on-dark);
  padding:46px 0;
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:32px;
}
.trust-item{
  padding-left:20px;
  border-left:2px solid rgba(216,166,87,.45);
}
.trust-item .n{
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  color:#fff;
}
.trust-item .l{
  margin-top:8px;
  font-size:14px;
  color:var(--on-dark-2);
}

/* ============ 权益对比表 ============ */
.table-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-table);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cmp-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  font-size:14px;
}
.cmp-table thead th{
  position:sticky;
  top:0;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:20px 18px;
  text-align:center;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  z-index:2;
}
.cmp-table thead th:first-child{
  text-align:left;
  color:var(--text-3);
  font-weight:500;
}
.cmp-table thead th .tier-name{
  display:block;
  font-size:17px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.01em;
}
.cmp-table thead th .tier-note{
  display:block;
  margin-top:4px;
  font-size:12px;
  color:var(--text-3);
  font-weight:400;
}
.cmp-table th.is-feature,
.cmp-table td.is-feature{
  background:var(--primary-soft);
}
.cmp-table thead th.is-feature{
  border-bottom:2px solid var(--primary);
  position:relative;
}
.cmp-table .corner-tag{
  position:absolute;
  top:10px;
  right:10px;
  font-size:11px;
  font-weight:700;
  color:#fff;
  background:var(--primary);
  border-radius:var(--r-chip);
  padding:2px 9px;
  line-height:1.6;
}
.cmp-table tbody th{
  text-align:left;
  font-weight:500;
  color:var(--text);
  padding:0 18px;
  height:56px;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.cmp-table tbody td{
  text-align:center;
  height:56px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  font-weight:500;
}
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td{border-bottom:0;}
.mark-yes{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  font-size:11px;
}
.mark-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  border-radius:50%;
  background:rgba(139,144,150,.3);
  color:#fff;
  font-size:10px;
}
.cmp-cards{display:none;}

/* ============ 等级卡 ============ */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.tier-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  position:relative;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tier-card.is-featured{
  border:2px solid var(--primary);
  padding:32px 26px 30px;
  box-shadow:var(--sh-2);
}
.tier-badge{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  border-radius:var(--r-chip);
  padding:3px 12px;
  line-height:1.7;
  color:var(--deep);
  background:rgba(18,48,46,.08);
}
.tier-badge--gold{background:var(--gold);color:#3A2A0C;}
.tier-badge--solid{background:var(--primary);color:#fff;}
.tier-card h3{
  margin-top:16px;
  font-size:22px;
  font-weight:700;
  letter-spacing:-.01em;
}
.tier-desc{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  min-height:48px;
}
.tier-divider{
  height:1px;
  background:var(--line);
  margin:20px 0;
}
.tier-card ul{display:grid;gap:12px;}
.tier-card li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
  line-height:1.6;
}
.tier-card li i{color:var(--primary);font-size:13px;margin-top:5px;flex:0 0 auto;}
.tier-price{
  margin-top:24px;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.tier-price .amount{
  font-size:36px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--primary);
  line-height:1;
}
.tier-price .unit{font-size:13px;color:var(--text-3);}
.tier-card .btn{margin-top:18px;}

/* ============ 专属内容预览 ============ */
.preview-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.pv-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pv-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pv-card--wide{grid-column:span 2;grid-row:span 2;}
.pv-media{
  position:relative;
  width:100%;
  aspect-ratio:3/2;
  overflow:hidden;
  background:var(--bg-alt);
}
.pv-card--wide .pv-media{aspect-ratio:auto;flex:1 1 auto;min-height:340px;}
.pv-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s var(--ease);
}
.pv-card:hover .pv-media img{transform:scale(1.03);}
.pv-body{padding:20px 22px 22px;}
.pv-cat{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-chip);
  padding:3px 11px;
  line-height:1.7;
}
.pv-card h3{
  margin-top:12px;
  font-size:18px;
  font-weight:700;
  line-height:1.45;
}
.pv-card--wide h3{font-size:22px;}
.pv-card p{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.pv-time{
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 最新信息 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.news-card{
  display:flex;
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-media{
  flex:0 0 168px;
  width:168px;
  height:112px;
  aspect-ratio:3/2;
  border-radius:10px;
  overflow:hidden;
  background:var(--bg-alt);
}
.news-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
}
.news-body{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.news-body .badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-chip);
  padding:2px 10px;
  line-height:1.7;
}
.news-body h3{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-time{font-size:13px;color:var(--text-3);margin-top:auto;}
.empty-state{
  grid-column:1/-1;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
}
.empty-state .ico{
  width:64px;
  height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
}
.empty-state p{color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  padding:20px 56px 20px 26px;
  display:flex;
  align-items:center;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  position:relative;
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--primary);}
.faq summary::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--primary);
  line-height:1;
  transition:transform .22s var(--ease);
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq .answer{
  padding:0 56px 24px 26px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
  max-width:68ch;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--dark);
  border-radius:20px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{
  color:var(--on-dark);
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.25;
}
.cta-band p{
  margin-top:12px;
  color:var(--on-dark-2);
  font-size:15px;
  max-width:52ch;
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
  flex:0 0 auto;
}
.cta-actions .link-arrow{color:var(--on-dark);}
.cta-actions .link-arrow:hover{color:#fff;}

/* ============ Footer ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark-2);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .logo .logo-main{color:var(--on-dark);}
.footer-brand .logo .logo-sub{background:rgba(232,69,44,.18);color:#F4A08D;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  max-width:34ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--on-dark);
  letter-spacing:.02em;
  margin-bottom:18px;
}
.footer-col h4.gold{color:var(--gold);}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);}
.footer-col a:hover{color:#fff;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.footer-chips a{
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-chip);
  border:1px solid rgba(169,179,176,.28);
  color:var(--on-dark-2);
  line-height:1.6;
}
.footer-chips a:hover{border-color:var(--primary);color:#fff;background:rgba(232,69,44,.16);}
.footer-bottom{
  border-top:1px solid rgba(169,179,176,.18);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:#fff;}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .container{padding:0 22px;}
  .hero-grid{gap:40px;}
  .hero-card{right:0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-col--contact{grid-column:span 3;}
}
@media screen and (max-width:1023px){
  .section{padding:74px 0;}
  .section--tight{padding:60px 0;}
  .hero{padding:56px 0 70px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero h1{max-width:none;}
  .hero-visual{max-width:640px;}
  .hero-card{position:static;width:100%;margin-top:-38px;margin-left:auto;margin-right:auto;max-width:420px;animation:none;}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .tier-grid{grid-template-columns:1fr;}
  .tier-desc{min-height:0;}
  .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pv-card--wide{grid-column:span 2;grid-row:span 1;}
  .pv-card--wide .pv-media{aspect-ratio:16/9;min-height:0;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px;gap:28px;}
  .header-inner{flex-wrap:wrap;gap:14px;padding:12px 0;}
  .nav-chips{order:3;flex:1 1 100%;}
  .header-actions{margin-left:auto;}
}
@media screen and (max-width:767px){
  .cmp-table{display:none;}
  .cmp-cards{display:grid;gap:18px;}
  .cmp-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    overflow:hidden;
  }
  .cmp-card.is-featured{border:2px solid var(--primary);}
  .cmp-card-head{
    padding:18px 20px;
    border-bottom:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .cmp-card-head .tier-name{font-size:17px;font-weight:800;}
  .cmp-card-head .tier-note{font-size:12px;color:var(--text-3);margin-top:2px;}
  .cmp-card ul{padding:8px 20px 20px;}
  .cmp-card li{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:11px 0;
    border-bottom:1px solid var(--line);
    font-size:14px;
    color:var(--text-2);
  }
  .cmp-card li:last-child{border-bottom:0;}
  .cmp-card.is-featured{background:#FFFBF9;}
}
@media screen and (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:58px 0;}
  .section--tight{padding:48px 0;}
  .topbar .tb-right{display:none;}
  .topbar .container{justify-content:flex-start;}
  .header-inner{min-height:auto;}
  .login-link{display:none;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .hero{padding:44px 0 56px;}
  .hero-metrics{gap:28px;padding-top:22px;margin-top:34px;}
  .metric-num{font-size:26px;}
  .preview-grid{grid-template-columns:1fr;}
  .pv-card--wide{grid-column:span 1;}
  .pv-card--wide .pv-media{aspect-ratio:3/2;}
  .pv-card--wide h3{font-size:18px;}
  .news-card{flex-direction:row;gap:12px;padding:14px;}
  .news-media{flex:0 0 96px;width:96px;height:72px;}
  .news-body h3{font-size:15px;}
  .news-body p{display:none;}
  .faq summary{padding:18px 48px 18px 20px;font-size:16px;}
  .faq .answer{padding:0 48px 22px 20px;}
  .cta-band{padding:34px 24px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:38px;}
  .footer-col--contact{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --brand:#E8452C;--brand-hover:#C7331C;--brand-active:#A82A17;--brand-soft:#FDECE8;
  --ink:#12302E;--dark:#0E1A19;--dark-text:#F2F0EA;--dark-muted:#A9B3B0;
  --gold:#D8A657;
  --bg:#F7F5F1;--bg-2:#EFEBE4;--card:#FFFFFF;--line:#E3DED6;
  --t1:#14171C;--t2:#5A5F66;--t3:#8B9096;
  --r-card:16px;--r-btn:10px;--r-pill:999px;--r-img:12px;--r-table:18px;
  --sh-1:0 1px 2px rgba(20,23,28,.05),0 8px 24px rgba(20,23,28,.06);
  --sh-2:0 12px 32px rgba(20,23,28,.12);
  --sh-3:0 16px 40px rgba(20,23,28,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-soft);color:var(--brand-active)}

/* Foundation 覆盖 */
body,p,h1,h2,h3,h4,h5,h6,li,td,th{font-family:inherit}
.grid-x{margin-left:0;margin-right:0}
.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-margin-x>.cell{padding-left:10px;padding-right:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 顶部信息条 */
.topbar{background:var(--ink);color:#D8DEDA;font-size:13px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px}
.topbar-note{color:#C9D2CE}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:#A9B3B0;font-size:13px}
.topbar-links a:hover{color:#FFFFFF}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(20,23,28,.07)}
.header-inner{display:flex;align-items:center;gap:20px;height:78px;transition:height .22s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:baseline;gap:8px;flex:0 0 auto;white-space:nowrap}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--t1)}
.logo-sub{font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.02em}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:36px;padding:8px 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--t2);
  border:1px solid transparent;white-space:nowrap;transition:all .2s var(--ease);
}
.chip:hover{background:var(--bg-2);color:var(--t1)}
.chip.is-active{background:var(--brand-soft);color:var(--brand);border-color:rgba(232,69,44,.22)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.login-link{font-size:14px;font-weight:500;color:var(--t2)}
.login-link:hover{color:var(--brand)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .22s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(232,69,44,.22)}
.btn--primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,69,44,.3)}
.btn--primary:active{background:var(--brand-active);transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand-soft);color:var(--brand-hover)}
.btn--light{background:#F2F0EA;color:var(--dark)}
.btn--light:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn--outline-light{background:transparent;border-color:rgba(242,240,234,.35);color:var(--dark-text)}
.btn--outline-light:hover{border-color:var(--dark-text);background:rgba(242,240,234,.08);color:#fff}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow--light{color:var(--dark-text)}

/* 页头 */
.page-head{padding:40px 0 8px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--brand)}
.article-title{
  margin:22px 0 16px;font-size:clamp(28px,3.6vw,44px);line-height:1.2;
  font-weight:800;letter-spacing:-.02em;color:var(--t1);max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t3);padding-bottom:26px;border-bottom:1px solid var(--line)}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:500}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{font-size:12px;color:var(--t3)}

/* 正文布局 */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;padding:44px 0 0}
.article-main{width:100%;max-width:820px;margin:0 auto;min-width:0}
.article-body{font-size:17px;line-height:1.85;color:#1F2429;word-wrap:break-word;overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;margin:2.4em 0 .9em;padding-left:14px;color:var(--t1);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin:1.8em 0 .7em;color:var(--t1)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em;color:var(--t1)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body ul li{list-style:disc;margin:.45em 0}
.article-body ol li{list-style:decimal;margin:.45em 0}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;background:var(--bg-2);border-left:3px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--t2);font-size:16px;
}
.article-body img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);margin:1.7em 0}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-hover)}
.article-body strong{font-weight:700;color:var(--t1)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.7em 0;border-radius:var(--r-img);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-2);font-weight:600}

/* 空态 */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:64px 32px;text-align:center;
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:24px;
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--t1);margin-bottom:10px}
.empty-state p{max-width:52ch;margin:0 auto 26px;color:var(--t2);font-size:15px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-title{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--t1);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-empty{font-size:13px;color:var(--t3);line-height:1.7}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:38vh;overflow:auto;scrollbar-width:thin}
.toc-item a{display:block;font-size:14px;line-height:1.6;color:var(--t2);padding:7px 0 7px 10px;border-left:2px solid transparent;transition:all .2s var(--ease)}
.toc-item a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft)}
.toc-item--h3 a{padding-left:24px;font-size:13px;color:var(--t3)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{font-size:14px;line-height:1.6;color:var(--t2);display:flex;gap:8px}
.side-list a::before{content:"·";color:var(--brand);font-weight:800}
.side-list a:hover{color:var(--brand)}
.side-cta{background:var(--dark);border-radius:var(--r-card);padding:22px;color:var(--dark-text);box-shadow:var(--sh-2)}
.side-cta p{font-size:14px;color:var(--dark-muted);margin:10px 0 16px;line-height:1.7}
.side-cta strong{font-size:17px;font-weight:700;color:#fff;display:block}

/* 文章尾部 */
.article-foot{margin-top:52px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--t3);margin-right:4px}
.tag{display:inline-flex;align-items:center;min-height:30px;padding:5px 14px;border-radius:var(--r-pill);background:var(--bg-2);font-size:13px;color:var(--t2);transition:all .2s var(--ease)}
.tag:hover{background:var(--brand-soft);color:var(--brand)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav-card{
  display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all .22s var(--ease);min-height:96px;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,44,.28)}
.post-nav-card i{color:var(--brand);font-size:16px;flex:0 0 auto}
.post-nav-card .nav-label{font-size:12px;color:var(--t3);display:block;margin-bottom:4px}
.post-nav-card .nav-title{font-size:15px;font-weight:600;color:var(--t1);line-height:1.5}
.post-nav-card--next{justify-content:flex-end;text-align:right}
.post-nav-card:hover .nav-title{color:var(--brand)}

.related{padding:52px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;color:var(--t1)}
.section-head p{font-size:14px;color:var(--t3);margin-top:6px}
.related-grid>.cell{margin-bottom:20px}
.card-post{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .22s var(--ease);display:flex;flex-direction:column;
}
.card-post:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,44,.24)}
.card-post .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--bg-2)}
.card-post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card-post:hover .thumb img{transform:scale(1.04)}
.card-post .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-post h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--t1)}
.card-post:hover h3{color:var(--brand)}
.card-post p{font-size:14px;color:var(--t2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post .time{font-size:13px;color:var(--t3);margin-top:auto}
.article-return{margin-top:32px;text-align:center}

/* CTA 区块 */
.cta-band{background:var(--dark);color:var(--dark-text);margin-top:88px;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;color:#fff;max-width:22ch}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--dark-muted);max-width:46ch;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--dark-muted);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-main{color:#F2F0EA}
.footer-brand .logo-sub{color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-muted);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#F2F0EA;margin-bottom:16px;letter-spacing:.02em}
.footer-col h4.gold{color:var(--gold)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--dark-muted)}
.footer-col a:hover{color:#fff}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px}
.footer-chips a{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--r-pill);background:rgba(242,240,234,.08);font-size:13px}
.footer-chips a:hover{background:rgba(242,240,234,.16);color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid rgba(242,240,234,.12);font-size:13px;color:#8B9490}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (min-width:1200px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 260px;gap:56px}
  .article-main{max-width:none;margin:0}
  .article-side{position:sticky;top:104px;align-self:start}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{margin-top:72px;padding:52px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .header-inner{height:64px;gap:12px;flex-wrap:wrap;padding:10px 0;height:auto}
  .site-header.is-scrolled .header-inner{height:auto}
  .nav-chips{order:3;width:100%;flex:1 1 100%;gap:6px;padding-bottom:4px}
  .header-actions{margin-left:auto;gap:12px}
  .login-link{display:none}
  .topbar-links{display:none}
  .page-head{padding:26px 0 4px}
  .article-wrap{padding-top:32px;gap:32px}
  .article-title{margin-top:16px}
  .article-body{font-size:16px}
  .article-body h2{margin-top:1.9em}
  .post-nav{grid-template-columns:1fr}
  .post-nav-card--next{justify-content:flex-start;text-align:left;flex-direction:row-reverse}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{margin-top:56px;padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{height:44px}
}
@media (max-width:519px){
  .article-meta{gap:10px}
  .empty-state{padding:44px 20px}
  .side-card{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#E8452C;
  --brand-hover:#C7331C;
  --brand-active:#A82A17;
  --brand-soft:#FDECE8;
  --ink:#12302E;
  --dark:#0E1A19;
  --dark-text:#F2F0EA;
  --dark-sub:#A9B3B0;
  --gold:#D8A657;
  --bg:#F7F5F1;
  --bg-alt:#EFEBE4;
  --card:#FFFFFF;
  --line:#E3DED6;
  --text:#14171C;
  --text-sub:#5A5F66;
  --text-weak:#8B9096;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,23,28,.05),0 8px 24px rgba(20,23,28,.06);
  --sh-2:0 12px 32px rgba(20,23,28,.12);
  --sh-3:0 16px 40px rgba(20,23,28,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1.15em;font-size:17px;line-height:1.85}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.section{padding:76px 0}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:40px}
.section-title{font-size:clamp(26px,3.2vw,36px);font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:12px;color:var(--text-sub);font-size:16px;line-height:1.8}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-chip);padding:4px 12px;margin-bottom:14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:0;border:1px solid transparent;white-space:nowrap;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,69,44,.28)}
.btn--primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:none}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--dark)}
.btn--light:hover{background:#F2F0EA;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.22)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);border-bottom:1px solid rgba(232,69,44,.35);padding-bottom:3px;transition:color .22s var(--ease),border-color .22s var(--ease)}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand-hover);border-color:var(--brand-hover)}
.link-arrow:hover i{transform:translateX(4px)}
.link-plain{color:var(--text-sub);font-size:14px;transition:color .2s var(--ease)}
.link-plain:hover{color:var(--brand)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(20,23,28,.07)}
.header-inner{display:flex;align-items:center;gap:24px;height:78px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:baseline;gap:6px;flex:0 0 auto}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-weak);white-space:nowrap}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-chip);font-size:13.5px;font-weight:500;color:var(--text-sub);border:1px solid transparent;white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.chip:hover{background:var(--bg-alt);color:var(--text)}
.chip.is-active{background:var(--brand-soft);color:var(--brand);border-color:rgba(232,69,44,.22);font-weight:600}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.login-link{font-size:14px;color:var(--text-sub);transition:color .2s var(--ease)}
.login-link:hover{color:var(--brand)}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 64px;background-color:var(--bg);background-image:linear-gradient(rgba(247,245,241,.93),rgba(247,245,241,.97)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{align-items:center}
.hero-copy{padding-right:24px}
.breadcrumb{margin-bottom:18px}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-weak)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumb a{color:var(--text-sub);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.14;letter-spacing:-.02em;font-weight:800;max-width:16em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--text-sub);max-width:32em}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-metrics li{min-width:104px}
.hero-metrics .m-num{font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;color:var(--text);line-height:1.2}
.hero-metrics .m-label{margin-top:4px;font-size:13px;color:var(--text-weak)}
.hero-media{padding-left:24px}
.figure{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--bg-alt);box-shadow:var(--sh-1)}
.figure img{width:100%;height:100%;object-fit:cover}
.figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,25,0) 55%,rgba(14,26,25,.35) 100%);pointer-events:none}
.ratio-16-10{aspect-ratio:16/10}
.ratio-16-9{aspect-ratio:16/9}
.ratio-3-2{aspect-ratio:3/2}
.figure-cap{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:13px;font-weight:500;letter-spacing:.02em}

/* ---------- stats band ---------- */
.stats-band{background:var(--card);border-bottom:1px solid var(--line)}
.stats-band .inner{padding:34px 0}
.stat{padding:6px 20px;border-left:2px solid var(--brand)}
.stat-num{font-size:clamp(24px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--text-sub)}

/* ---------- doc layout ---------- */
.doc-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:64px;align-items:start}
.toc{position:sticky;top:104px}
.toc-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--text-weak);margin:0 0 14px}
.toc-list{display:grid;gap:2px}
.toc-list a{display:block;padding:7px 0 7px 14px;font-size:14px;color:var(--text-sub);border-left:2px solid var(--line);transition:color .2s var(--ease),border-color .2s var(--ease)}
.toc-list a:hover{color:var(--brand)}
.toc-list a.is-active{color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.doc{padding-top:8px}
.doc-section{padding:8px 0 34px;border-bottom:1px solid var(--line);margin-bottom:34px}
.doc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.doc-section h2{font-size:clamp(24px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;margin-bottom:18px;position:relative;padding-left:16px}
.doc-section h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}
.doc-section p{color:var(--text-sub);max-width:72ch}
.doc-section p strong{color:var(--text);font-weight:600}
.point-list{margin-top:22px;display:grid;gap:12px;max-width:72ch}
.point-list li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.75;color:var(--text-sub)}
.point-list li::before{content:"";position:absolute;left:0;top:.66em;width:9px;height:9px;border-radius:3px;background:var(--brand)}
.doc-figure{margin:24px 0 4px;max-width:72ch}
.doc-figure .figure{border-radius:var(--r-img)}
.doc-figure figcaption{margin-top:10px;font-size:13px;color:var(--text-weak);text-align:center}

/* ---------- flow ---------- */
.flow{position:relative;margin-top:26px;padding-left:28px;border-left:2px solid var(--line);max-width:72ch}
.flow-step{position:relative;padding-bottom:28px}
.flow-step:last-child{padding-bottom:0}
.flow-step::before{content:"";position:absolute;left:-35px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--card);border:2px solid var(--brand)}
.flow-num{display:block;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand);margin-bottom:4px}
.flow-step h3{font-size:18px;font-weight:600;margin-bottom:6px}
.flow-step p{font-size:15px;line-height:1.75;color:var(--text-sub);margin:0}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{margin-top:30px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:18px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--text);transition:color .2s var(--ease),background-color .2s var(--ease)}
.faq-q:hover{color:var(--brand);background:#FCFAF7}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .28s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 26px 24px;color:var(--text-sub);font-size:15.5px;line-height:1.8;max-width:68ch}
.faq-a-inner p{font-size:15.5px;color:var(--text-sub);margin:0}

/* ---------- cta ---------- */
.cta-band{background-color:var(--dark);background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;color:var(--dark-text);padding:66px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-copy h2{color:var(--dark-text);font-size:clamp(24px,2.8vw,32px);font-weight:700}
.cta-copy p{margin-top:12px;color:var(--dark-sub);font-size:16px;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-actions .link-arrow{color:var(--gold);border-bottom-color:rgba(216,166,87,.4)}
.cta-actions .link-arrow:hover{color:#EFC887;border-bottom-color:rgba(216,166,87,.8)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-sub);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-main{color:var(--dark-text)}
.footer-brand .logo-sub{color:var(--dark-sub)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-sub);max-width:34em}
.footer-col h4{font-size:14px;font-weight:600;color:var(--dark-text);margin-bottom:16px;letter-spacing:.02em}
.footer-col h4.gold{color:var(--gold)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--dark-sub);transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips a{display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:var(--r-chip);border:1px solid rgba(242,240,234,.16);font-size:13px;color:var(--dark-sub);transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
.footer-chips a:hover{color:#fff;border-color:rgba(242,240,234,.45);background:rgba(242,240,234,.06)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(242,240,234,.14);font-size:13px;color:var(--text-weak)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:176px minmax(0,1fr);gap:48px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col--contact{grid-column:span 3}
}
@media (max-width:1023px){
  .section{padding:60px 0}
  .hero{padding:44px 0 52px}
  .hero-copy{padding-right:0}
  .hero-media{padding-left:0;margin-top:32px}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .toc{position:static;padding-bottom:18px;border-bottom:1px solid var(--line)}
  .toc-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .toc-list::-webkit-scrollbar{display:none}
  .toc-list a{white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:var(--r-chip);padding:6px 14px;font-size:13px}
  .toc-list a.is-active{border-color:rgba(232,69,44,.3);background:var(--brand-soft)}
  .cta-inner{gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .site-header.is-scrolled .header-inner{height:auto;padding:10px 0}
  .nav-chips{order:3;flex:0 0 100%;width:100%;padding:2px 0 4px}
  .header-actions{margin-left:auto}
  .login-link{display:none}
  .hero h1{max-width:none}
  .hero-actions{gap:18px}
  .hero-metrics{gap:24px;margin-top:32px;padding-top:22px}
  .hero-metrics li{min-width:88px}
  .stat{padding:4px 14px}
  .stats-band .inner{padding:26px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-col--contact{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{padding:52px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:639px){
  body{font-size:16px}
  p{font-size:16px}
  .section{padding:48px 0}
  .hero{padding:34px 0 44px}
  .hero h1{font-size:clamp(28px,7.4vw,36px)}
  .hero-metrics{gap:18px}
  .doc-section{padding-bottom:26px;margin-bottom:26px}
  .point-list li{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#E8452C;
  --brand-hover:#C7331C;
  --brand-active:#A82A17;
  --brand-soft:#FDECE8;
  --ink:#12302E;
  --dark:#0E1A19;
  --dark-text:#F2F0EA;
  --dark-muted:#A9B3B0;
  --gold:#D8A657;
  --bg:#F7F5F1;
  --bg-2:#EFEBE4;
  --card:#FFFFFF;
  --line:#E3DED6;
  --t1:#14171C;
  --t2:#5A5F66;
  --t3:#8B9096;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-table:18px;
  --sh-1:0 1px 2px rgba(20,23,28,.05),0 8px 24px rgba(20,23,28,.06);
  --sh-2:0 12px 32px rgba(20,23,28,.12);
  --sh-3:0 16px 40px rgba(20,23,28,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans 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);
  font-size:17px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
em{font-style:normal}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--bg-2)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--t2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,241,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 14px rgba(20,23,28,.07)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:82px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:flex-end;gap:8px;flex:0 0 auto}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--t1);line-height:1}
.logo-sub{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.01em;line-height:1.2}
.nav-chips{
  flex:1 1 auto;display:flex;align-items:center;justify-content:center;
  gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--t2);
  padding:9px 18px;border-radius:999px;border:1px solid transparent;
  white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--bg-2);color:var(--t1)}
.chip.is-active{background:var(--brand-soft);color:var(--brand);border-color:rgba(232,69,44,.2);font-weight:600}
.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.login-link{font-size:14px;color:var(--t2);transition:color .2s var(--ease)}
.login-link:hover{color:var(--brand)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),
             box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(232,69,44,.22)}
.btn--primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,69,44,.28)}
.btn--primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:none}
.btn--ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(232,69,44,.35);padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:var(--brand)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== 面包屑 ===== */
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumb a{color:var(--t2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb li[aria-current] {color:var(--brand);font-weight:600}

/* ===== 首屏 ===== */
.page-hero{padding:48px 0 88px;background:
  radial-gradient(900px 420px at 88% -10%,rgba(232,69,44,.07),transparent 60%),var(--bg);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero-copy h1{
  font-size:clamp(34px,5.2vw,58px);line-height:1.12;font-weight:800;letter-spacing:-.02em;
}
.hero-sub{margin-top:20px;font-size:18px;color:var(--t2);max-width:34ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:4px}
.hero-stats strong{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;color:var(--t1);line-height:1.1}
.hero-stats span{font-size:13px;color:var(--t3);letter-spacing:.02em}
.hero-visual{position:relative;padding-bottom:32px}
.hero-figure{
  aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--sh-2);background:var(--bg-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-card{
  position:absolute;left:-28px;bottom:0;width:min(320px,88%);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-3);
  animation:floatCard 6s ease-in-out infinite;
}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.hero-card h3{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px}
.hero-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.hero-card li{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.hero-card li span{font-size:14px;font-weight:600;color:var(--t1)}
.hero-card li em{font-size:13px;color:var(--t3)}

/* ===== 杂志式错位双栏 ===== */
.feature-list{display:flex;flex-direction:column;gap:88px}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.feature-row .feature-media{order:1}
.feature-row .feature-text{order:2}
.feature-row--reverse .feature-media{order:2}
.feature-row--reverse .feature-text{order:1}
.feature-media{position:relative}
.feature-media figure{
  aspect-ratio:3/2;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--sh-1);background:var(--bg-2);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-media:hover img{transform:scale(1.02)}
.feature-media figcaption{margin-top:12px;font-size:13px;color:var(--t3);text-align:center}
.feature-num{
  display:block;font-size:clamp(52px,7vw,88px);font-weight:800;line-height:1;
  letter-spacing:-.04em;color:rgba(232,69,44,.16);margin-bottom:8px;
}
.feature-text h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.feature-text p{color:var(--t2);font-size:16.5px;margin-bottom:16px}
.feature-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;padding-top:22px;border-top:1px solid var(--line)}
.feature-points li{position:relative;padding-left:26px;font-size:15.5px;color:var(--t1)}
.feature-points li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;
  border-radius:50%;background:var(--brand-soft);border:2px solid var(--brand);
}
.feature-points li b{font-weight:600;color:var(--t1)}
.feature-points li span{color:var(--t2)}

/* ===== 等级速览 ===== */
.tier-grid{margin-top:8px}
.tier-cell{padding:0 12px 24px}
.tier-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,69,44,.28)}
.tier-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;background:var(--bg-2);color:var(--t2);margin-bottom:16px;
}
.tier-card--hot{border-color:rgba(232,69,44,.35);background:linear-gradient(180deg,#FFF8F6 0%,#FFFFFF 46%)}
.tier-card--hot .tier-tag{background:var(--brand);color:#fff}
.tier-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.tier-card p{font-size:14.5px;color:var(--t2);min-height:66px}
.tier-meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:baseline;justify-content:space-between}
.tier-meta strong{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.tier-meta span{font-size:13px;color:var(--t3)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:4px 26px;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon{transform:rotate(90deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{padding:0 0 22px;color:var(--t2);font-size:16px;max-width:68ch}

/* ===== CTA ===== */
.cta-band{background:var(--dark);color:var(--dark-text);padding:80px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;color:var(--dark-muted);font-size:16px;max-width:52ch}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band .link-arrow{color:var(--gold);border-bottom-color:rgba(216,166,87,.45)}
.cta-band .link-arrow:hover{border-bottom-color:var(--gold)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:var(--dark-muted);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(242,240,234,.12)}
.footer-brand .logo{margin-bottom:18px}
.site-footer .logo-main{color:var(--dark-text)}
.site-footer .logo-sub{color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.8;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--dark-text);margin-bottom:18px;letter-spacing:.02em}
.footer-col h4.gold{color:var(--gold)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:var(--dark-muted);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:#fff}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px}
.footer-chips a{
  font-size:13px;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(242,240,234,.18);color:var(--dark-muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.footer-chips a:hover{color:#fff;border-color:rgba(242,240,234,.45);background:rgba(255,255,255,.05)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;
}

/* ===== 进入视口动画 ===== */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-grid{gap:44px}
  .feature-row{gap:44px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .nav-chips{justify-content:flex-start}
  .header-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-card{position:static;width:100%;margin-top:20px;animation:none}
  .hero-visual{padding-bottom:0}
  .feature-row,.feature-row--reverse{grid-template-columns:1fr;gap:28px}
  .feature-row .feature-media,.feature-row--reverse .feature-media{order:1}
  .feature-row .feature-text,.feature-row--reverse .feature-text{order:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .header-inner{height:70px;gap:14px;flex-wrap:wrap;padding:10px 0}
  .site-header.is-scrolled .header-inner{height:62px}
  .logo-main{font-size:19px}
  .logo-sub{font-size:12px}
  .nav-chips{order:3;width:100%;flex:1 0 100%;justify-content:flex-start;padding-bottom:6px}
  .header-actions{gap:12px}
  .btn{height:44px;padding:0 18px}
  .page-hero{padding:28px 0 60px}
  .feature-list{gap:60px}
  .hero-stats{gap:26px;margin-top:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-list{padding:4px 18px}
  .tier-cell{padding:0 8px 20px}
}
@media (max-width:519px){
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-actions .btn{width:100%}
  .faq-item summary{font-size:16px;min-height:60px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#E8452C;
  --brand-hover:#C7331C;
  --brand-active:#A82A17;
  --brand-soft:#FDECE8;
  --ink:#12302E;
  --dark:#0E1A19;
  --gold:#D8A657;
  --bg:#F7F5F1;
  --bg-2:#EFEBE4;
  --card:#FFFFFF;
  --line:#E3DED6;
  --text:#14171C;
  --text-2:#5A5F66;
  --text-3:#8B9096;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --r-table:18px;
  --sh-1:0 1px 2px rgba(20,23,28,.05), 0 8px 24px rgba(20,23,28,.06);
  --sh-2:0 12px 32px rgba(20,23,28,.12);
  --sh-3:0 16px 40px rgba(20,23,28,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;border-radius:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;}
p{margin:0;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 容器与通用 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--alt{background:var(--bg-2);}
.section--tight{padding:72px 0;}
.sec-head{max-width:760px;margin:0 0 48px;}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.01em;}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  margin-bottom:14px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.gold{color:var(--gold);}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:rgba(242,240,234,.82);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;}
.topbar-links{display:flex;align-items:center;gap:20px;}
.topbar-links a{color:rgba(242,240,234,.82);}
.topbar-links a:hover{color:#fff;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,241,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(20,23,28,.06);
}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .22s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:inline-flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-sub{font-size:11.5px;font-weight:600;letter-spacing:.04em;color:var(--brand);}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.chip:hover{background:rgba(20,23,28,.05);color:var(--text);}
.chip.is-active{background:var(--brand-soft);color:var(--brand);box-shadow:inset 0 0 0 1px rgba(232,69,44,.2);}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.login-link{font-size:14px;color:var(--text-2);}
.login-link:hover{color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  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(--brand);color:#fff;box-shadow:0 6px 16px rgba(232,69,44,.22);}
.btn--primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,69,44,.26);}
.btn--primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--light{background:#F2F0EA;color:var(--dark);}
.btn--light:hover{background:#fff;transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}
.link-arrow--light{color:#F2F0EA;}
.link-arrow--light:hover{color:#fff;}

/* ---------- 面包屑 ---------- */
.crumb{padding-top:28px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--text-2);font-weight:500;}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:40px 0 88px;}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cat-hero h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  margin:18px 0 20px;
}
.cat-hero .lead{font-size:18px;color:var(--text-2);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stat b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.1;}
.hero-stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-2);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,25,0) 45%,rgba(14,26,25,.42) 100%);}
.hero-float{
  position:absolute;
  left:20px;
  right:20px;
  bottom:20px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-3);
}
.hero-float b{font-size:30px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em;}
.hero-float p{font-size:13.5px;color:var(--text-2);line-height:1.5;}

/* ---------- 时间线 / 步骤条 ---------- */
.timeline{position:relative;max-width:920px;margin:0 auto;}
.timeline::before{content:"";position:absolute;left:23px;top:10px;bottom:26px;width:2px;background:var(--line);}
.tl-item{position:relative;padding-left:76px;padding-bottom:48px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;
  top:0;
  width:48px;
  height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--line);
  box-shadow:var(--sh-1);
  font-size:14px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-.02em;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.tl-item:hover .tl-dot{border-color:var(--brand);transform:translateY(-2px);}
.tl-item h3{font-size:21px;font-weight:600;margin-bottom:10px;}
.tl-item > p{color:var(--text-2);max-width:64ch;}
.tl-card{
  display:flex;
  align-items:center;
  gap:18px;
  margin-top:20px;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tl-card-img{flex:0 0 132px;width:132px;aspect-ratio:3/2;border-radius:var(--r-img);overflow:hidden;}
.tl-card-img img{width:100%;height:100%;object-fit:cover;}
.tl-card-body b{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.tl-card-body p{font-size:14px;color:var(--text-2);line-height:1.65;}

/* ---------- 提示卡 ---------- */
.tips-grid{margin-left:-12px;margin-right:-12px;}
.tips-grid > .cell{padding:12px;}
.tip-card{
  height:100%;
  padding:28px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tip-num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.06em;}
.tip-card h3{font-size:19px;font-weight:600;margin:12px 0 10px;}
.tip-card p{font-size:15px;color:var(--text-2);}
.tip-list{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:9px;}
.tip-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);}
.tip-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- 对比表 ---------- */
.cmp{
  display:grid;
  grid-template-columns:1fr 1fr;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-table);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.cmp-head{padding:16px 24px;font-size:14px;font-weight:600;}
.cmp-head--a{background:var(--brand-soft);color:var(--brand);}
.cmp-head--b{background:var(--bg-2);color:var(--text-2);}
.cmp-cell{padding:18px 24px;border-top:1px solid var(--line);font-size:15px;color:var(--text-2);line-height:1.7;}
.cmp-cell--a{color:var(--text);font-weight:500;background:rgba(253,236,232,.35);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 26px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  background:none;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--brand);background:rgba(253,236,232,.4);}
.faq-icon{flex:0 0 22px;width:22px;height:22px;position:relative;transition:transform .24s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:2px;right:2px;top:10px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:10px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 26px 24px;font-size:15.5px;color:var(--text-2);max-width:68ch;}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--dark);color:#F2F0EA;padding:76px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em;color:#F2F0EA;}
.cta-inner p{margin-top:14px;max-width:56ch;color:#A9B3B0;font-size:16px;}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9B3B0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-main{color:#F2F0EA;}
.footer-brand .logo-sub{color:var(--gold);}
.footer-brand p{font-size:14.5px;line-height:1.8;max-width:40ch;color:#A9B3B0;}
.footer-col h4{font-size:14px;font-weight:600;color:#F2F0EA;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#A9B3B0;}
.footer-col a:hover{color:#fff;}
.footer-chips{display:flex;flex-wrap:wrap;gap:9px;}
.footer-chips a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 13px;
  border-radius:var(--r-pill);
  background:rgba(242,240,234,.08);
  font-size:13px;
  color:#C9D2CF;
}
.footer-chips a:hover{background:rgba(242,240,234,.16);color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(242,240,234,.14);
  font-size:13.5px;
  color:#8B9694;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0;}
  .cat-hero-grid{gap:40px;}
}
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px;}
  .site-header.is-scrolled .header-inner{height:auto;}
  .nav-chips{order:3;flex:1 1 100%;justify-content:flex-start;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .cat-hero{padding:32px 0 72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .topbar-links a:first-child{display:none;}
  .topbar-inner{justify-content:space-between;}
  .header-actions{gap:12px;}
  .login-link{display:none;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .sec-head{margin-bottom:32px;}
  .hero-stats{gap:26px;margin-top:32px;}
  .hero-stat b{font-size:26px;}
  .timeline::before{left:19px;}
  .tl-item{padding-left:60px;padding-bottom:38px;}
  .tl-dot{width:40px;height:40px;font-size:13px;}
  .tl-card{flex-direction:column;align-items:stretch;gap:12px;}
  .tl-card-img{flex:none;width:100%;aspect-ratio:3/2;}
  .cmp-head{padding:13px 16px;font-size:13.5px;}
  .cmp-cell{padding:14px 16px;font-size:13.8px;line-height:1.65;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 20px;font-size:15px;}
  .cta-band{padding:56px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}