/* roulang page: index */
/* ================= 设计令牌 ================= */
:root{
  --brand:#0E3A3A;
  --brand-600:#14504C;
  --brand-500:#1B6A62;
  --accent:#FF6B35;
  --accent-dark:#EA5C28;
  --accent-soft:#FFE9DE;
  --mint:#2FD3B5;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1B1F1E;
  --text-2:#5C6663;
  --text-3:#8C9694;
  --inverse:#F2F7F5;
  --line:#E4DED4;
  --line-strong:rgba(14,58,58,.12);
  --ok:#2E9E6B;
  --warn:#D98B1F;
  --err:#D1453B;
  --r-card:14px;
  --r-sm:10px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,58,58,.06),0 8px 24px rgba(14,58,58,.07);
  --sh-2:0 2px 6px rgba(14,58,58,.10),0 16px 36px rgba(14,58,58,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--accent);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ================= 容器与区块 ================= */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{font-size:26px;color:var(--brand);letter-spacing:-.2px;}
.section-sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-more:hover{color:var(--accent);}

/* ================= 顶部公告条 ================= */
.topbar{background:var(--brand);color:rgba(242,247,245,.86);font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:42px;padding-top:6px;padding-bottom:6px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.topbar p{flex:1;}
.topbar-close{color:rgba(242,247,245,.7);font-size:16px;line-height:1;padding:4px 6px;border-radius:6px;transition:color .25s var(--ease);}
.topbar-close:hover{color:#fff;}
.is-hidden{display:none !important;}

/* ================= 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:700;font-size:17px;color:var(--brand);letter-spacing:-.2px;white-space:nowrap;}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:50%;
  border:2px solid var(--mint);display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.logo-mark::after{content:"";position:absolute;right:-2px;top:-2px;width:9px;height:9px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);}
.logo:hover{color:var(--brand);}

.nav-chips{display:flex;align-items:center;gap:8px;flex:1;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;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.chip:hover{color:var(--brand);border-color:var(--brand-500);background:#fff;}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:var(--inverse);}
.chip.is-active:hover{background:var(--brand-600);color:var(--inverse);}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.btn-icon{
  width:40px;height:40px;border-radius:50%;
  display:inline-grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--brand);background:transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-icon:hover{background:#fff;border-color:var(--brand-500);color:var(--brand);}
.nav-toggle{display:none;}

.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line);}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .container{padding-top:8px;padding-bottom:22px;}
.mobile-drawer a{
  display:block;padding:13px 2px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer a.is-active{color:var(--accent);font-weight:600;}
.mobile-drawer .btn{margin-top:16px;width:100%;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;text-align:center;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.28);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--brand);color:var(--inverse);}
.btn-light{border-color:rgba(242,247,245,.5);color:var(--inverse);background:transparent;}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ================= 首屏 ================= */
.hero{position:relative;overflow:hidden;padding:56px 0 64px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(14,58,58,.10) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.65),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.65),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:460px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#B33E14;font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-title{font-size:34px;line-height:1.34;color:var(--brand);letter-spacing:-.5px;max-width:14em;}
.hero-lead{margin-top:20px;font-size:16.5px;color:var(--text-2);line-height:1.85;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:28px;font-size:14px;color:var(--text-2);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/11;background:#e9e3d9;}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.95);
  border-radius:var(--r-sm);
  padding:12px 16px;box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);
}
.hero-float strong{color:var(--brand);font-size:14px;}
.hero-float span{color:var(--text-3);}

/* ================= 快捷分段条 ================= */
.quickbar{padding:0 0 8px;}
.quickbar-inner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px 14px;box-shadow:var(--sh-1);
}
.quickbar-label{font-size:13px;color:var(--text-3);padding:0 6px 0 2px;white-space:nowrap;}

/* ================= 合集目录卡 ================= */
.collection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.collection-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.collection-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.collection-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#eee7dc;}
.collection-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.collection-card:hover .collection-media img{transform:scale(1.03);}
.collection-no{
  position:absolute;left:14px;top:14px;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--mint);color:#06322C;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.collection-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.collection-title{font-size:19px;color:var(--brand);}
.collection-desc{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.collection-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.collection-foot .arrow{color:var(--accent);font-weight:600;font-size:13.5px;}

/* ================= 数据条 ================= */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.stat-num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ================= 最新信息列表 ================= */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.news-link{display:block;padding:22px 24px;color:inherit;}
.news-link:hover{color:inherit;}
.news-title{
  font-size:17.5px;font-weight:600;color:var(--text);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s var(--ease);
}
.news-card:hover .news-title{color:var(--brand-500);}
.news-desc{
  margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.pill{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#B33E14;
  font-size:12px;font-weight:500;line-height:1.7;
}
.news-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ================= 空态 ================= */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:52px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-art{
  width:72px;height:72px;border-radius:50%;
  border:2px dashed rgba(14,58,58,.22);
  display:grid;place-items:center;
  font-size:26px;font-weight:700;color:rgba(14,58,58,.28);
  font-variant-numeric:tabular-nums;
}
.empty-text{color:var(--text-2);font-size:15px;}

/* ================= 精选卡 ================= */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eee7dc;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-badge{
  position:absolute;top:14px;left:14px;
  background:#fff;border:1px solid var(--brand);color:var(--accent);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
}
.feature-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;color:inherit;}
.feature-title{font-size:18px;color:var(--text);line-height:1.55;}
.feature-desc{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.feature-foot{margin-top:auto;font-size:13px;color:var(--text-3);padding-top:10px;}

/* ================= 专题推荐（编号列表） ================= */
.rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.rank-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 12px;border-bottom:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:background .25s var(--ease);
  color:inherit;
}
.rank-item:hover{background:#fff;color:inherit;}
.rank-no{
  flex:0 0 auto;min-width:30px;
  font-size:19px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.6;
}
.rank-title{font-size:16px;font-weight:600;color:var(--text);line-height:1.6;}
.rank-item:hover .rank-title{color:var(--brand-500);}
.rank-desc{font-size:13.5px;color:var(--text-3);margin-top:4px;line-height:1.7;}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  font-size:20px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{
  padding:16px 22px 20px;background:var(--bg);
  font-size:15px;color:var(--text-2);line-height:1.85;
  border-top:1px solid var(--line);
}

/* ================= CTA ================= */
.cta{
  position:relative;overflow:hidden;
  background:var(--brand);color:var(--inverse);
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  border:2px solid rgba(47,211,181,.22);
  pointer-events:none;
}
.cta-title{font-size:23px;color:#fff;line-height:1.5;}
.cta-desc{margin-top:10px;font-size:14.5px;color:rgba(242,247,245,.78);max-width:520px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap;}

/* ================= 页脚 ================= */
.site-footer{margin-top:80px;background:var(--brand);color:rgba(242,247,245,.78);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{border-color:var(--mint);color:#fff;}
.footer-brand .logo-mark::after{border-color:var(--brand);}
.footer-text{font-size:14px;line-height:1.9;color:rgba(242,247,245,.7);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(242,247,245,.78);}
.footer-links a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:44px;padding:22px 0 30px;
  border-top:1px solid rgba(242,247,245,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,247,245,.6);line-height:1.8;
}

/* ================= 响应式 ================= */
@media (max-width:1023px){
  .section{padding:56px 0;}
  .hero{padding:40px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;min-height:auto;}
  .hero-title{font-size:26px;max-width:none;}
  .hero-visual{aspect-ratio:16/9;}
  .collection-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);padding:26px 24px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta{padding:36px 32px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .nav-wrap{height:64px;gap:12px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-grid;}
  .nav-cta{display:none;}
  .hero{padding:32px 0 40px;}
  .hero-title{font-size:24px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:21px;}
  .section-sub{font-size:14.5px;}
  .news-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .rank-list{grid-template-columns:1fr;gap:0;}
  .stats{grid-template-columns:1fr 1fr;gap:18px;}
  .stat-num{font-size:22px;}
  .cta{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .rank-item{padding:16px 4px;}
}

@media (max-width:519px){
  .hero-title{font-size:22px;}
  .hero-points{gap:6px 18px;font-size:13.5px;}
  .collection-body{padding:18px 18px 20px;}
  .news-link{padding:18px 18px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:14px 18px 18px;font-size:14.5px;}
  .stats{padding:22px 18px;}
  .hero-float{left:14px;right:14px;bottom:14px;padding:10px 12px;font-size:12.5px;}
}

/* roulang page: article */
:root{
  --c-primary:#0E3A3A;
  --c-primary-1:#14504C;
  --c-primary-2:#1B6A62;
  --c-accent:#FF6B35;
  --c-accent-soft:#FFE9DE;
  --c-mint:#2FD3B5;
  --c-bg:#F7F4EE;
  --c-card:#FFFFFF;
  --c-text:#1B1F1E;
  --c-text-2:#5C6663;
  --c-text-3:#8C9694;
  --c-invert:#F2F7F5;
  --c-line:#E4DED4;
  --c-line-2:rgba(14,58,58,.12);
  --c-success:#2E9E6B;
  --c-warn:#D98B1F;
  --c-danger:#D1453B;
  --r-card:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,58,58,.06),0 8px 24px rgba(14,58,58,.07);
  --sh-2:0 2px 6px rgba(14,58,58,.10),0 16px 36px rgba(14,58,58,.12);
  --w:1200px;
  --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:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--c-text)}
p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-accent-soft);color:var(--c-primary)}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.28)}
.btn-primary:hover{background:#F05A22;color:#fff}
.btn-ghost{border-color:var(--c-line-2);color:var(--c-primary);background:#fff}
.btn-ghost:hover{border-color:var(--c-primary-2);color:var(--c-primary-2)}
.btn-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.42);color:var(--c-invert)}
.btn-light:hover{background:rgba(255,255,255,.18)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line-2);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-primary);white-space:nowrap;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--c-primary);color:var(--c-mint);
  display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;
  box-shadow:var(--sh-1);
}
.logo-text{letter-spacing:.02em}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;padding:4px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 15px;
  border-radius:var(--r-pill);border:1px solid var(--c-line-2);
  color:var(--c-text-2);font-size:14px;font-weight:500;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.chip:hover{background:#fff;border-color:var(--c-primary-2);color:var(--c-primary)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-invert)}
.chip.is-active:hover{background:var(--c-primary-1);color:var(--c-invert)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line-2);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--c-line-2)}
.mobile-drawer.is-open{display:block}
.drawer-nav{display:grid;gap:8px;padding:16px 0 20px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--c-line-2);font-size:15px;font-weight:500;color:var(--c-text-2);
}
.drawer-nav a:hover{background:#FAF8F4;color:var(--c-primary);border-color:var(--c-primary-2)}
.drawer-nav a.is-active{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-invert)}

/* ---------- 页面头部 ---------- */
.page-head{padding:26px 0 6px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:#CFC8BB}
.breadcrumb .current{color:var(--c-text-2);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero{
  position:relative;margin-top:18px;padding:34px 36px 30px;
  background:#fff;border:1px solid var(--c-line-2);border-radius:18px;overflow:hidden;
}
.article-hero::after{
  content:"9";position:absolute;right:18px;bottom:-42px;
  font-size:180px;font-weight:700;line-height:1;color:rgba(14,58,58,.04);pointer-events:none;
}
.article-hero h1{position:relative;font-size:34px;line-height:1.34;max-width:900px;letter-spacing:-.01em}
.meta-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13.5px;color:var(--c-text-3)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:#C2450F;font-size:12.5px;font-weight:600;
}
.badge-mint{background:rgba(47,211,181,.16);color:#12766A}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC8BB}
.share-group{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- 布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;
  align-items:start;padding:34px 0 8px;
}
.article-col{width:100%;max-width:840px}
.article-body{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);
  padding:36px 40px;font-size:16px;line-height:1.85;color:#232827;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:26px;line-height:1.4;margin:42px 0 16px;padding-left:14px;border-left:4px solid var(--c-accent)}
.article-body h3{font-size:20px;line-height:1.45;margin:32px 0 12px;font-weight:600;color:var(--c-primary)}
.article-body h4{font-size:17px;margin:24px 0 10px;font-weight:600}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--c-primary-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body strong{font-weight:700;color:var(--c-primary)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.75}
.article-body li::marker{color:var(--c-accent)}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;background:#FAF8F4;
  border-left:4px solid var(--c-mint);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:22px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--c-text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:#F2EFE8;font-weight:600;color:var(--c-primary)}
.article-body tbody tr:nth-child(even){background:#FBFAF7}
.article-body hr{border:0;border-top:1px solid var(--c-line-2);margin:32px 0}
.article-body code{background:#F2EFE8;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--c-primary-1)}

/* ---------- 文末操作 ---------- */
.article-foot{margin-top:26px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.tag-list .tag-label{font-size:13.5px;color:var(--c-text-3)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line-2);
  font-size:13.5px;color:var(--c-text-2);font-weight:500;transition:all .25s var(--ease);
}
.tag:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft)}
.action-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);padding:18px 22px;
}
.action-bar .action-text{font-size:14.5px;color:var(--c-text-2)}
.action-bar .action-text strong{color:var(--c-primary)}
.action-btns{display:flex;flex-wrap:wrap;gap:10px}
.back-line{margin-top:16px;display:flex;flex-wrap:wrap;gap:16px;font-size:14.5px}
.back-line a{color:var(--c-primary-2);font-weight:600}
.back-line a:hover{color:var(--c-accent)}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;
}
.empty-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:#F2EFE8;color:var(--c-mint);display:grid;place-items:center;font-size:26px;font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);max-width:460px;margin:0 auto 22px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px}
.side-block{background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-card);padding:20px 22px}
.side-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--c-primary);letter-spacing:.03em;margin-bottom:12px}
.side-title::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-mint);flex:0 0 auto}
.side-note{font-size:13.5px;color:var(--c-text-3);line-height:1.75;margin-bottom:12px}
.side-nav li + li{border-top:1px dashed var(--c-line)}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:14.5px;color:var(--c-text-2);transition:color .25s var(--ease)}
.side-nav a:hover{color:var(--c-accent)}
.side-nav .arrow{color:#CFC8BB;font-size:13px}
.side-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:14px;color:var(--c-text-2);line-height:1.7}
.side-list li + li{border-top:1px dashed var(--c-line)}
.side-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:#F2EFE8;color:var(--c-primary-1);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.side-cta{background:var(--c-primary);border:0;color:var(--c-invert)}
.side-cta .side-title{color:var(--c-invert)}
.side-cta .side-title::before{background:var(--c-mint)}
.side-cta p{font-size:13.5px;color:rgba(242,247,245,.78);margin-bottom:16px}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.section-head h2{font-size:26px;line-height:1.35}
.section-head .sub{font-size:14.5px;color:var(--c-text-2);margin-top:8px;max-width:620px}
.section-link{font-size:14.5px;font-weight:600;color:var(--c-primary-2)}
.section-link:hover{color:var(--c-accent)}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line-2);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,58,58,.2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDE9E1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;
  height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-mint);color:#06403A;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-body h3{font-size:17px;line-height:1.5}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--c-text-2)}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3)}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 72px}
.cta-band{
  display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:center;
  background:var(--c-primary);color:var(--c-invert);
  border-radius:20px;padding:44px 46px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"9";position:absolute;right:26px;bottom:-56px;font-size:200px;font-weight:700;
  line-height:1;color:rgba(255,255,255,.05);pointer-events:none;
}
.cta-band h2{color:var(--c-invert);font-size:26px;line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(242,247,245,.8);max-width:520px}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(242,247,245,.78);padding:56px 0 28px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo{color:var(--c-invert)}
.site-footer .logo-mark{background:rgba(255,255,255,.1);color:var(--c-mint)}
.footer-text{margin-top:16px;font-size:14px;line-height:1.85;max-width:360px;color:rgba(242,247,245,.72)}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--c-invert);margin-bottom:14px}
.footer-links li{margin-bottom:4px}
.footer-links a{font-size:14px;line-height:2;color:rgba(242,247,245,.76);transition:color .25s var(--ease)}
.footer-links a:hover{color:var(--c-mint)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(242,247,245,.6)}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:14px;background:var(--c-primary);color:var(--c-invert);
  display:grid;place-items:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),background-color .25s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-side{order:2}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .cta-btns{justify-content:flex-start}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .nav-chips{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:64px;gap:12px}
  .logo-text{font-size:16px}
  .article-hero{padding:24px 20px;border-radius:var(--r-card)}
  .article-hero h1{font-size:22px}
  .article-hero::after{font-size:130px;bottom:-30px}
  .article-body{padding:22px 18px}
  .article-body h2{font-size:19px;margin-top:34px}
  .article-body h3{font-size:17px}
  .grid-4,.grid-3{grid-template-columns:minmax(0,1fr)}
  .section{padding:40px 0}
  .section-head h2{font-size:22px}
  .btn{width:100%}
  .action-bar{flex-direction:column;align-items:stretch}
  .action-btns{flex-direction:column}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .cta-btns{flex-direction:column;width:100%}
  .footer-grid{grid-template-columns:1fr}
  .breadcrumb .current{max-width:180px}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:399px){
  body{font-size:15px}
  .card-body{padding:16px}
  .article-hero h1{font-size:21px}
}

/* roulang page: category1 */
:root{
  --ink:#0E3A3A;
  --ink-2:#14504C;
  --ink-3:#1B6A62;
  --orange:#FF6B35;
  --orange-dark:#E85B27;
  --orange-soft:#FFE9DE;
  --mint:#2FD3B5;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1B1F1E;
  --text-2:#5C6663;
  --text-3:#8C9694;
  --line:#E4DED4;
  --line-strong:rgba(14,58,58,.12);
  --r-lg:14px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(14,58,58,.06),0 8px 24px rgba(14,58,58,.07);
  --shadow-2:0 2px 6px rgba(14,58,58,.10),0 16px 36px rgba(14,58,58,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-5)}
.section{padding:var(--sp-9) 0}
.section--tight{padding:var(--sp-8) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-6)}
.section-title{font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:.01em}
.section-sub{margin-top:6px;font-size:15px;color:var(--text-2)}
.text-link{font-size:15px;font-weight:600;color:var(--ink-3);white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px}
.text-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:background-color .25s var(--ease),color .25s var(--ease),transform .2s var(--ease),box-shadow .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.28)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(255,107,53,.3)}
.btn-ghost{background:transparent;color:#F2F7F5;border-color:rgba(242,247,245,.55)}
.btn-ghost:hover{background:rgba(242,247,245,.14);border-color:#F2F7F5}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(14,58,58,.28)}
.btn-outline:hover{background:rgba(14,58,58,.06);border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink);border-color:transparent}
.btn-light:hover{background:#EFEAE1}
.btn-sm{padding:8px 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  border-bottom:1px solid var(--line-strong);
  transition:box-shadow .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,58,58,.09);background:rgba(247,244,238,.98)}
@supports (backdrop-filter:blur(8px)){
  .site-header{backdrop-filter:blur(10px)}
}
.header-inner{display:flex;align-items:center;gap:var(--sp-5);min-height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.logo-mark{
  width:36px;height:36px;border-radius:50%;background:var(--ink);color:#F2F7F5;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;box-shadow:inset 0 0 0 2px rgba(47,211,181,.5);
}
.logo-mark::after{content:"";position:absolute}
.logo:hover .logo-mark{background:var(--ink-3)}
.nav-chips{display:flex;align-items:center;gap:var(--sp-2);overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  color:var(--text-2);border:1px solid transparent;white-space:nowrap;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.chip:hover{background:rgba(14,58,58,.07);color:var(--ink)}
.chip.is-active{background:var(--ink);color:#F2F7F5;border-color:var(--ink)}
.chip.is-active:hover{background:var(--ink-2)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-3)}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);background:#fff;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:var(--ink);border-color:var(--ink);color:#F2F7F5}
.icon-btn svg{width:18px;height:18px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;place-items:center;color:var(--ink)}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-strong);background:var(--bg);
  padding:var(--sp-4) 0 var(--sp-5);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .nav-chips{flex-direction:column;align-items:stretch;gap:6px;overflow:visible}
.mobile-drawer .chip{justify-content:flex-start;padding:12px 16px;border-radius:var(--r-sm);font-size:16px}
.mobile-drawer .chip.is-active{background:var(--ink)}
.mobile-drawer .btn{width:100%;margin-top:var(--sp-4)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(242,247,245,.78);margin-bottom:var(--sp-4)}
.breadcrumb a{color:rgba(242,247,245,.88);border-bottom:1px solid transparent}
.breadcrumb a:hover{color:#fff;border-bottom-color:var(--mint)}
.breadcrumb .sep{opacity:.55}

/* ---------- 分类首屏 ---------- */
.page-hero{position:relative;background:var(--ink);color:#F2F7F5;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,58,58,.94) 0%,rgba(14,58,58,.74) 48%,rgba(20,80,76,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:52px 0 60px;max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(47,211,181,.16);color:var(--mint);
  font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:var(--sp-4);
}
.page-hero h1{font-size:34px;line-height:1.32;font-weight:700;color:#F5FAF8;letter-spacing:.01em}
.page-hero-lead{margin-top:var(--sp-4);font-size:16px;line-height:1.85;color:rgba(242,247,245,.85);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}
.hero-facts{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-5);margin-top:var(--sp-6);font-size:14px;color:rgba(242,247,245,.8)}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mint)}

/* ---------- 筛选区 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);
  padding:var(--sp-4) 0;border-bottom:1px solid var(--line-strong);margin-bottom:var(--sp-6);
}
.filter-label{font-size:14px;font-weight:600;color:var(--text-2)}
.filter-chips{display:flex;flex-wrap:wrap;gap:6px}
.filter-chip{
  padding:7px 15px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  color:var(--text-2);border:1px solid var(--line);background:#fff;
  transition:all .25s var(--ease);
}
.filter-chip:hover{border-color:var(--ink-3);color:var(--ink)}
.filter-chip.is-active{background:var(--orange-soft);border-color:rgba(255,107,53,.42);color:#B8431A}
.filter-count{margin-left:auto;font-size:14px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 横向条目卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5)}
.entry-card{
  display:grid;grid-template-columns:190px minmax(0,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,58,58,.2)}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-media{position:relative;overflow:hidden;background:#EFEAE1}
.entry-media img{width:100%;height:100%;min-height:200px;object-fit:cover;transition:transform .35s var(--ease)}
.entry-media .num{
  position:absolute;left:12px;top:12px;z-index:2;
  min-width:34px;height:26px;padding:0 8px;border-radius:8px;
  background:var(--mint);color:#08302C;font-size:13px;font-weight:700;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.entry-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.entry-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--orange-soft);color:#B8431A;letter-spacing:.02em;
}
.tag--test{background:rgba(47,211,181,.16);color:#0F6F5E}
.tag--merge{background:rgba(14,58,58,.09);color:var(--ink-2)}
.tag--book{background:#FDF2DC;color:#9A6510}
.entry-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.entry-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--text)}
.entry-title a:hover{color:var(--orange)}
.entry-desc{font-size:14.5px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);padding-top:6px}
.entry-more{font-size:14px;font-weight:600;color:var(--ink-3);display:inline-flex;align-items:center;gap:4px}
.entry-more::after{content:"›";font-size:17px;line-height:1;transition:transform .25s var(--ease)}
.entry-card:hover .entry-more{color:var(--orange)}
.entry-card:hover .entry-more::after{transform:translateX(3px)}
.entry-server{font-size:13px;color:var(--text-3)}

/* ---------- 空态 ---------- */
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:var(--sp-3);
  padding:var(--sp-8) var(--sp-5);text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state.is-show{display:flex}
.empty-mark{
  width:64px;height:64px;border-radius:50%;border:2px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- 节奏步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-5)}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-5) var(--sp-5) var(--sp-6);position:relative;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--ink);color:#F2F7F5;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:var(--sp-4);
}
.step h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--ink);color:#F2F7F5;border-radius:18px;padding:var(--sp-7) var(--sp-6)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-5)}
.stat{text-align:center;padding:0 var(--sp-3)}
.stat-num{font-size:32px;font-weight:700;color:var(--mint);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:14.5px;color:rgba(242,247,245,.82);margin-top:6px}
.stat + .stat{border-left:1px solid rgba(242,247,245,.16)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:var(--sp-3);max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(14,58,58,.2)}
.faq-item[open]{box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:600;
  color:var(--orange);background:var(--orange-soft);transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;background:var(--bg);border-top:1px solid var(--line)}
.faq-body p{padding-top:16px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#F2F7F5;border-radius:18px;
  padding:var(--sp-7) var(--sp-7);
  display:grid;grid-template-columns:1.4fr 1fr;gap:var(--sp-6);align-items:center;
}
.cta-band h2{font-size:24px;font-weight:700;color:#F5FAF8;line-height:1.4}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(242,247,245,.82);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:flex-end}
.share-note{margin-top:10px;font-size:13.5px;color:var(--mint);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,247,245,.82);margin-top:var(--sp-9);padding:var(--sp-8) 0 var(--sp-6)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-6)}
.footer-brand .logo{color:#F5FAF8;margin-bottom:var(--sp-4)}
.footer-brand .logo-mark{background:#F5FAF8;color:var(--ink);box-shadow:none}
.footer-text{font-size:14.5px;line-height:1.85;color:rgba(242,247,245,.72);max-width:330px}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:#F5FAF8;margin-bottom:var(--sp-4)}
.footer-links li{line-height:2}
.footer-links a{font-size:14.5px;color:rgba(242,247,245,.76)}
.footer-links a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:var(--sp-7);padding-top:var(--sp-5);
  border-top:1px solid rgba(242,247,245,.16);
  display:flex;flex-wrap:wrap;gap:var(--sp-3) var(--sp-6);justify-content:space-between;
  font-size:13.5px;color:rgba(242,247,245,.6);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:#F2F7F5;box-shadow:var(--shadow-2);
  display:grid;place-items:center;opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease),background-color .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:var(--orange)}
.to-top svg{width:18px;height:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entry-card{grid-template-columns:170px minmax(0,1fr)}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .menu-toggle{display:grid}
  .header-actions .btn{display:none}
  .entry-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-6) var(--sp-5)}
  .stat:nth-child(3){border-left:0}
  .cta-band{grid-template-columns:1fr;padding:var(--sp-6)}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-6)}
  .page-hero h1{font-size:26px}
  .section{padding:var(--sp-8) 0}
}
@media (max-width:767px){
  .container{padding:0 var(--sp-4)}
  .header-inner{min-height:64px;gap:var(--sp-3)}
  .logo{font-size:15.5px}
  .logo-mark{width:32px;height:32px;font-size:15px}
  .page-hero-inner{padding:36px 0 44px}
  .page-hero h1{font-size:22px}
  .page-hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-facts{flex-direction:column;gap:8px}
  .entry-card{grid-template-columns:1fr}
  .entry-media img{min-height:180px}
  .entry-body{padding:18px}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:var(--sp-5)}
  .stat + .stat{border-left:0;border-top:1px solid rgba(242,247,245,.16);padding-top:var(--sp-5)}
  .stat:nth-child(3){border-left:0}
  .section{padding:var(--sp-7) 0}
  .section-title{font-size:21px}
  .section-head{flex-direction:column;align-items:flex-start;gap:var(--sp-2)}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band h2{font-size:20px}
  .cta-actions .btn{width:100%}
  .to-top{right:14px;bottom:16px}
  .filter-count{margin-left:0;width:100%}
}
@media (max-width:399px){
  body{font-size:15.5px}
  .entry-title{font-size:16.5px}
  .entry-body{padding:16px}
  .stat-num{font-size:27px}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E3A3A;
  --c-primary-2:#14504C;
  --c-primary-3:#1B6A62;
  --c-accent:#FF6B35;
  --c-accent-soft:#FFE9DE;
  --c-mint:#2FD3B5;
  --c-bg:#F7F4EE;
  --c-card:#FFFFFF;
  --c-text:#1B1F1E;
  --c-text-2:#5C6663;
  --c-text-3:#8C9694;
  --c-line:#E4DED4;
  --c-line-dark:rgba(14,58,58,.12);
  --c-white:#F2F7F5;
  --ok:#2E9E6B;
  --warn:#D98B1F;
  --err:#D1453B;
  --r-card:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,58,58,.06),0 8px 24px rgba(14,58,58,.07);
  --sh-2:0 2px 6px rgba(14,58,58,.10),0 16px 36px rgba(14,58,58,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;
  --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;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--c-text);}
p{margin:0 0 var(--sp-4);}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;gap:var(--sp-5);
  min-height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:18px;color:var(--c-primary);
  letter-spacing:.02em;flex:none;
}
.logo:hover{color:var(--c-primary-3);}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:var(--c-mint);
  font-size:17px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(47,211,181,.35);
}
.logo-text{white-space:nowrap;}

.nav-chips{
  display:flex;align-items:center;gap:var(--sp-2);
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line-dark);
  background:transparent;
  color:var(--c-text-2);
  font-size:14.5px;font-weight:500;
  white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{background:#fff;color:var(--c-primary);border-color:rgba(14,58,58,.25);}
.chip.is-active{
  background:var(--c-primary);color:var(--c-white);
  border-color:var(--c-primary);font-weight:600;
}
.header-actions{display:flex;align-items:center;gap:var(--sp-3);flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--c-line-dark);background:#fff;color:var(--c-primary);
  cursor:pointer;transition:background .25s var(--ease),transform .25s var(--ease);
}
.icon-btn:hover{background:var(--c-accent-soft);transform:translateY(-1px);}
.icon-btn svg{width:18px;height:18px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.28);}
.btn-primary:hover{background:#E85C29;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:rgba(14,58,58,.28);}
.btn-ghost:hover{background:var(--c-primary);color:var(--c-white);border-color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary);border-color:rgba(255,255,255,.7);}
.btn-light:hover{background:var(--c-mint);color:var(--c-primary);border-color:var(--c-mint);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}
.btn-block{width:100%;}
.menu-toggle{display:none;}

/* ---------- mobile drawer ---------- */
.drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:var(--sp-3) 0 var(--sp-5);
}
.drawer.is-open{display:block;}
.drawer-list{display:flex;flex-direction:column;gap:4px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:var(--r-sm);
  color:var(--c-text);font-weight:500;
}
.drawer-list a:hover,.drawer-list a.is-active{background:var(--c-bg);color:var(--c-primary);}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 0;
  font-size:13.5px;color:var(--c-text-3);
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{color:#C8C1B6;}
.crumb .now{color:var(--c-primary);font-weight:600;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-primary);
  color:var(--c-white);
  box-shadow:var(--sh-1);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,58,58,.95) 0%,rgba(14,58,58,.82) 45%,rgba(14,58,58,.45) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-7);
  align-items:center;
  padding:56px 56px 52px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(47,211,181,.16);
  border:1px solid rgba(47,211,181,.45);
  color:var(--c-mint);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:18px;
}
.hero h1{
  color:#fff;font-size:34px;line-height:1.35;margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--c-mint);}
.hero-sub{
  color:rgba(242,247,245,.86);font-size:16px;line-height:1.85;
  max-width:620px;margin-bottom:26px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-bottom:26px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13.5px;color:rgba(242,247,245,.78);
}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint);flex:none;
}
.hero-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(2px);
}
.hero-card h3{
  color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.02em;
}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.metric{
  background:rgba(14,58,58,.45);
  border:1px solid rgba(47,211,181,.22);
  border-radius:var(--r-sm);
  padding:14px 16px;
}
.metric b{display:block;font-size:22px;color:var(--c-mint);line-height:1.3;}
.metric span{font-size:13px;color:rgba(242,247,245,.75);}

/* ---------- filter bar ---------- */
.filter-wrap{
  margin-top:var(--sp-7);
  display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);
  padding:16px 20px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.filter-label{
  font-size:13.5px;font-weight:600;color:var(--c-text-2);
  padding-right:6px;flex:none;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.fchip{
  border:1px solid var(--c-line-dark);
  background:var(--c-bg);
  color:var(--c-text-2);
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:all .25s var(--ease);
}
.fchip:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft);}
.fchip.is-on{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.filter-count{margin-left:auto;font-size:13.5px;color:var(--c-text-3);}

/* ---------- section basics ---------- */
.section{padding:var(--sp-8) 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);
  flex-wrap:wrap;margin-bottom:var(--sp-6);
}
.section-head h2{font-size:26px;}
.section-head .eyebrow{
  display:block;font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:8px;
}
.section-head p{color:var(--c-text-2);font-size:15px;margin:8px 0 0;max-width:640px;}
.text-link{
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ---------- timeline (numbered flow) ---------- */
.timeline{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.tl-item{
  display:grid;
  grid-template-columns:120px 1fr 190px;
  gap:var(--sp-5);
  align-items:flex-start;
  padding:28px 28px;
  border-top:1px solid var(--c-line);
  transition:background .25s var(--ease);
  position:relative;
}
.tl-item:first-child{border-top:0;}
.tl-item:hover{background:#FBFAF6;}
.tl-item:hover .tl-num{color:var(--c-accent);}
.tl-item[hidden]{display:none;}
.tl-num{
  font-size:44px;font-weight:700;line-height:1;
  color:#DED7CA;
  transition:color .25s var(--ease);
  letter-spacing:-.02em;
}
.tl-num small{display:block;font-size:12px;font-weight:600;color:var(--c-text-3);letter-spacing:.16em;margin-top:8px;}
.tl-body h3{
  font-size:19px;margin-bottom:10px;
}
.tl-body h3 a{color:var(--c-primary);}
.tl-body h3 a:hover{color:var(--c-accent);}
.tl-body p{
  color:var(--c-text-2);font-size:15px;line-height:1.75;margin-bottom:14px;
}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;
  background:var(--c-bg);color:var(--c-text-2);
  border:1px solid var(--c-line);
}
.tag-accent{background:var(--c-accent-soft);color:#C2481A;border-color:#F8CDB9;}
.tag-mint{background:rgba(47,211,181,.14);color:#137A66;border-color:rgba(47,211,181,.4);}
.tl-side{
  text-align:right;font-size:13.5px;color:var(--c-text-3);
}
.tl-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:10px;
}
.st-live{background:rgba(47,211,181,.16);color:#0F6B5B;}
.st-soon{background:rgba(217,139,31,.16);color:#9B6212;}
.st-last{background:rgba(209,69,59,.13);color:#A83A32;}
.tl-status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;}
.tl-dot{
  display:block;font-size:13.5px;color:var(--c-text-3);margin-bottom:6px;
}
.tl-side .btn{margin-top:10px;min-height:38px;padding:0 16px;font-size:14px;}

.empty-state{
  padding:56px 24px;text-align:center;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
}
.empty-state .es-mark{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;background:var(--c-bg);
  color:var(--c-accent);font-size:24px;font-weight:700;
}
.empty-state p{color:var(--c-text-2);margin-bottom:18px;}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);
}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-no{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-accent);
  margin-bottom:14px;display:block;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.75;}

/* ---------- type cards ---------- */
.type-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);
}
.type-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.type-media{position:relative;aspect-ratio:16/9;background:#EDE8DF;overflow:hidden;}
.type-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.type-card:hover .type-media img{transform:scale(1.03);}
.type-media .wm{
  position:absolute;inset:0;display:none;place-items:center;
  font-size:40px;font-weight:700;color:rgba(14,58,58,.12);
}
.type-media img.is-broken{opacity:0;}
.type-media img.is-broken + .wm{display:grid;}
.type-badge{
  position:absolute;left:14px;top:14px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:600;
  display:inline-flex;align-items:center;
}
.type-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.type-body h3{font-size:17.5px;margin-bottom:10px;}
.type-body p{font-size:14.5px;color:var(--c-text-2);margin-bottom:16px;flex:1;line-height:1.75;}
.type-foot{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-text-3);}

/* ---------- notes ---------- */
.notes{
  display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-6);
  align-items:stretch;
}
.note-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.note-panel h3{font-size:19px;margin-bottom:16px;}
.note-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line);
  font-size:15px;color:var(--c-text-2);line-height:1.75;
}
.note-list li:last-child{border-bottom:0;}
.note-list li b{color:var(--c-primary);flex:none;}
.note-aside{
  background:var(--c-primary);color:var(--c-white);
  border-radius:var(--r-card);padding:32px;
  display:flex;flex-direction:column;justify-content:center;
}
.note-aside h3{color:#fff;font-size:20px;margin-bottom:14px;}
.note-aside p{color:rgba(242,247,245,.82);font-size:15px;}
.note-aside .hero-facts{margin-top:8px;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:var(--sp-3);}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-primary);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-accent);}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-bg);color:var(--c-primary);font-size:16px;font-weight:700;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item[open] .faq-sign{background:var(--c-accent);color:#fff;transform:rotate(45deg);}
.faq-body{
  padding:0 24px 22px;background:var(--c-bg);
  color:var(--c-text-2);font-size:15px;line-height:1.85;
}
.faq-body p{margin:16px 0 0;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:var(--sp-8);
  border-radius:var(--r-card);
  background:linear-gradient(120deg,var(--c-primary) 0%,var(--c-primary-3) 100%);
  color:var(--c-white);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);
  flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:10px;}
.cta-band p{color:rgba(242,247,245,.82);margin:0;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:var(--sp-3);flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp-8);
  background:var(--c-primary);
  color:rgba(242,247,245,.8);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-6);
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer .logo{color:#fff;font-size:17px;}
.site-footer .logo:hover{color:var(--c-mint);}
.site-footer .logo-mark{background:rgba(255,255,255,.12);color:var(--c-mint);box-shadow:none;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(242,247,245,.72);margin:16px 0 0;max-width:340px;}
.footer-title{
  font-size:14px;color:#fff;letter-spacing:.08em;font-weight:600;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  color:rgba(242,247,245,.76);font-size:14px;line-height:1.8;
}
.footer-links a:hover{color:var(--c-mint);}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(242,247,245,.6);
}
.footer-bottom p{margin:0;}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-accent);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:1fr;padding:44px 40px;}
  .hero-card{max-width:560px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .type-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .header-inner{gap:var(--sp-4);}
  .nav-chips{order:3;width:100%;flex:1 0 100%;}
  .header-inner{flex-wrap:wrap;padding:10px 0;}
  .header-actions{margin-left:auto;}
  .menu-toggle{display:grid;}
  .notes{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:88px 1fr;gap:var(--sp-4);}
  .tl-side{grid-column:2;text-align:left;margin-top:6px;}
  .tl-side .btn{margin-top:4px;}
  .tl-num{font-size:36px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero-inner{padding:32px 22px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-btns .btn{width:100%;}
  .section{padding-top:var(--sp-7);}
  .section-head h2{font-size:22px;}
  .filter-wrap{padding:14px 16px;}
  .filter-count{margin-left:0;width:100%;}
  .tl-item{grid-template-columns:1fr;padding:22px 18px;}
  .tl-num{font-size:30px;}
  .tl-num small{margin-top:4px;}
  .tl-side{grid-column:1;}
  .steps{grid-template-columns:1fr;}
  .type-grid{grid-template-columns:1fr;}
  .note-panel,.note-aside{padding:24px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .logo-text{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero h1{font-size:23px;}
  .tl-num{font-size:26px;}
}

/* roulang page: category2 */
:root{
  --ink:#0E3A3A;
  --ink-2:#14504C;
  --ink-3:#1B6A62;
  --orange:#FF6B35;
  --orange-dark:#E85C28;
  --orange-soft:#FFE9DE;
  --mint:#2FD3B5;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1B1F1E;
  --text-2:#5C6663;
  --text-3:#8C9694;
  --line:#E4DED4;
  --line-2:rgba(14,58,58,.12);
  --ok:#2E9E6B;
  --warn:#D98B1F;
  --err:#D1453B;
  --r-lg:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,58,58,.06), 0 8px 24px rgba(14,58,58,.07);
  --sh-2:0 2px 6px rgba(14,58,58,.10), 0 16px 36px rgba(14,58,58,.12);
  --container:1200px;
  --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:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:26px}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--ink-3);text-transform:none;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);background:#fff;transform:translateY(-1px)}
.btn-on-dark{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-on-dark:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
}
.badge-mint{background:rgba(47,211,181,.18);color:#1B6A62}
.badge-orange{background:var(--orange-soft);color:#C6481A}
.badge-line{border:1px solid var(--line-2);color:var(--text-2)}
.media{position:relative;overflow:hidden;background:#EDE8DF;aspect-ratio:16/10}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.media.is-failed{background:linear-gradient(135deg,#E7E1D6,#D9D2C5)}
.media.is-failed::after{
  content:attr(data-fallback);
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:52px;font-weight:700;color:rgba(14,58,58,.16);
  font-variant-numeric:tabular-nums;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  box-shadow:0 1px 0 rgba(255,255,255,.07);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;padding:6px 0}
.logo-mark{
  width:32px;height:32px;border-radius:50%;
  background:var(--mint);color:var(--ink);
  display:grid;place-items:center;
  font-size:16px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
}
.logo-text{font-size:17px;font-weight:700;color:#fff;letter-spacing:.6px}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:6px;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-pill);font-size:14px;font-weight:500;
  color:rgba(255,255,255,.82);background:transparent;border:1px solid rgba(255,255,255,.22);
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.14);color:#fff}
.chip.is-active{background:var(--mint);border-color:var(--mint);color:var(--ink);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.25);
  color:#fff;cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.menu-btn{display:none}
.search-panel{
  border-top:1px solid rgba(255,255,255,.12);
  background:var(--ink-2);
  padding:14px 0;
}
.search-panel[hidden]{display:none}
.search-form{display:flex;gap:10px;max-width:640px}
.search-form input{
  flex:1;height:44px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.96);
  color:var(--text);
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,211,181,.28)}
.mobile-drawer{display:none;background:var(--ink-2);border-top:1px solid rgba(255,255,255,.12);padding:12px 0 18px}
.mobile-drawer.is-open{display:block;animation:fadeDown .22s var(--ease)}
.mobile-drawer .chip{display:flex;width:100%;justify-content:flex-start;margin-bottom:8px;height:44px}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:
    radial-gradient(circle at 12% 18%, rgba(47,211,181,.14) 0 2px, transparent 3px) 0 0/22px 22px,
    linear-gradient(180deg,#FBF9F5 0%, var(--bg) 100%);
  padding:48px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.breadcrumb{font-size:13.5px;color:var(--text-3);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--orange);text-decoration:underline}
.breadcrumb span.sep{color:var(--line)}
.hero h1{font-size:34px;margin:12px 0 16px;color:var(--ink)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;font-size:14px;color:var(--text-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);flex:0 0 auto}
.hero-media{
  border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:4/3;position:relative;background:#E7E1D6;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-tag{
  position:absolute;left:20px;bottom:20px;
  background:rgba(14,58,58,.86);color:#fff;
  padding:10px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;letter-spacing:.5px;
  backdrop-filter:blur(2px);
}

/* ============ 方向区 ============ */
.direction-layout{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
.anchor-rail{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.rail-title{font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--text-3);margin-bottom:12px}
.rail-list li+li{margin-top:2px}
.rail-list a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--text-2);
  transition:all .2s var(--ease);
}
.rail-list a:hover{background:var(--bg);color:var(--ink);padding-left:16px}
.rail-list a.is-current{background:var(--orange-soft);color:#C6481A;font-weight:600}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.card:hover .media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17.5px;font-weight:600;color:var(--ink)}
.card-desc{font-size:14.5px;color:var(--text-2);line-height:1.75}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:4px}
.card-link{font-size:14px;font-weight:600;color:var(--orange)}
.card-link::after{content:"→";margin-left:6px;transition:margin .2s var(--ease)}
.card:hover .card-link::after{margin-left:10px}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 20px;box-shadow:var(--sh-1);position:relative;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-num{
  display:inline-block;font-size:26px;font-weight:700;color:var(--orange);
  font-variant-numeric:tabular-nums;letter-spacing:1px;line-height:1;
}
.step h3{font-size:16.5px;margin:14px 0 8px;color:var(--ink)}
.step p{font-size:14.5px;color:var(--text-2)}

/* ============ 适用人群 ============ */
.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.audience-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.audience-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mint);
}
.audience-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.audience-card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px}
.audience-card p{font-size:14.5px;color:var(--text-2)}
.audience-card .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

/* ============ 数据 ============ */
.stats-band{background:var(--ink);color:#F2F7F5;border-radius:20px;padding:44px 40px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-num{font-size:32px;font-weight:700;color:var(--mint);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-label{font-size:14.5px;color:rgba(242,247,245,.78);margin-top:10px}
.stat-item+.stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:24px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s var(--ease);
}
.faq-item[open]{border-color:var(--line-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--orange);line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{background:#FCFAF6}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--text-2);border-top:1px dashed var(--line);padding-top:16px;margin:0 22px 0;padding-left:0;padding-right:0}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#F2F7F5;border-radius:20px;padding:44px 40px;margin-top:8px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:24px;color:#fff}
.cta-band p{margin-top:12px;color:rgba(242,247,245,.78);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--ink);color:#fff;padding:12px 22px;border-radius:var(--r-pill);
  font-size:14px;box-shadow:var(--sh-2);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease);z-index:200;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(242,247,245,.8);margin-top:72px;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer .logo{margin-bottom:16px}
.site-footer .logo-text{color:#fff}
.footer-text{font-size:14.5px;line-height:1.85;color:rgba(242,247,245,.7);max-width:340px}
.footer-title{font-size:14px;font-weight:600;letter-spacing:1.4px;color:#fff;margin-bottom:16px}
.footer-links li{line-height:2}
.footer-links a{font-size:14.5px;color:rgba(242,247,245,.75);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--mint);text-decoration:underline}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(242,247,245,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1;aspect-ratio:16/9}
  .direction-layout{grid-template-columns:1fr;gap:24px}
  .anchor-rail{position:static}
  .rail-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .rail-list::-webkit-scrollbar{display:none}
  .rail-list li+li{margin-top:0}
  .rail-list a{white-space:nowrap;border:1px solid var(--line-2)}
  .audience{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat-item+.stat-item{border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-band,.cta-band{padding:32px 24px}
}
@media (max-width:900px){
  .nav-chips{display:none}
  .menu-btn{display:grid}
  .header-actions .icon-btn{display:none}
  .header-actions{margin-left:auto}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .section--tight{padding:36px 0}
  .hero{padding:28px 0 44px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:20px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:48px}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
}
@media (max-width:400px){
  body{font-size:15.5px}
  .hero h1{font-size:23px}
  .card-body{padding:16px}
  .audience-card,.step{padding:20px 16px}
  .stats-band,.cta-band{padding:26px 18px}
}

/* roulang page: category4 */
:root{
  --brand:#0E3A3A;
  --brand-2:#14504C;
  --brand-3:#1B6A62;
  --accent:#FF6B35;
  --accent-soft:#FFE9DE;
  --mint:#2FD3B5;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1B1F1E;
  --text-2:#5C6663;
  --text-3:#8C9694;
  --line:#E4DED4;
  --line-2:rgba(14,58,58,.12);
  --ok:#2E9E6B;
  --warn:#D98B1F;
  --err:#D1453B;
  --r-card:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,58,58,.06),0 8px 24px rgba(14,58,58,.07);
  --sh-2:0 2px 6px rgba(14,58,58,.10),0 16px 36px rgba(14,58,58,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --ease: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:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand-3);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--text);}
h1{font-size:34px;font-weight:700;letter-spacing:-.2px;}
h2{font-size:26px;font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section--tight{padding:52px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head .eyebrow{display:block;font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:600;margin-bottom:8px;}
.section-head p{color:var(--text-2);font-size:15px;max-width:640px;margin-top:10px;}
.section-head .more{white-space:nowrap;font-weight:600;font-size:15px;color:var(--brand-3);}
.section-head .more:hover{color:var(--accent);}

/* ============ 公告条 ============ */
.topbar{background:var(--brand);color:#EAF4F1;font-size:13.5px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:42px;}
.topbar p{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none;}
.topbar-close{width:28px;height:28px;border-radius:50%;color:#9FC3BC;font-size:16px;line-height:1;display:grid;place-items:center;transition:background .25s var(--ease),color .25s var(--ease);}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,238,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:700;font-size:19px;
  display:grid;place-items:center;
  box-shadow:inset 0 0 0 3px rgba(47,211,181,.55);
}
.logo-text{font-weight:700;font-size:18px;color:var(--brand);letter-spacing:-.2px;}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;overflow-x:auto;scrollbar-width:none;padding:4px 0;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;padding:8px 16px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:all .25s var(--ease);
}
.chip:hover{color:var(--brand);background:#fff;border-color:var(--line-2);}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 14px rgba(14,58,58,.18);}
.chip.is-active:hover{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-2);
  display:grid;place-items:center;color:var(--brand);background:#fff;
  transition:all .25s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-3);color:var(--brand-3);box-shadow:var(--sh-1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .25s var(--ease);text-align:center;line-height:1.4;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(255,107,53,.28);}
.btn-primary:hover{background:#E85A26;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-dark{background:var(--brand);color:#fff;}
.btn-dark:hover{background:var(--brand-2);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-2);}
.btn-outline:hover{border-color:var(--brand-3);color:var(--brand-3);background:#fff;}
.btn-ghost-light{background:transparent;color:#F2F7F5;border-color:rgba(242,247,245,.5);}
.btn-ghost-light:hover{background:rgba(242,247,245,.12);color:#fff;}
.btn-sm{padding:8px 16px;font-size:14px;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:#fff;color:var(--brand);place-items:center;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .container{padding-top:16px;padding-bottom:20px;}
.mobile-drawer a{display:block;padding:13px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a.is-active{color:var(--accent);font-weight:600;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb [aria-current]{color:var(--brand);font-weight:600;}

/* ============ Hero ============ */
.hero{position:relative;margin-top:20px;border-radius:18px;overflow:hidden;background:var(--brand);min-height:440px;display:flex;align-items:center;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.34;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,58,58,.96) 0%,rgba(14,58,58,.82) 48%,rgba(20,80,76,.55) 100%);}
.hero-inner{position:relative;padding:56px 48px;max-width:760px;color:#F2F7F5;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(47,211,181,.16);border:1px solid rgba(47,211,181,.45);color:#8FF0DC;font-size:13px;font-weight:600;letter-spacing:.04em;}
.hero-inner h1{color:#fff;margin:20px 0 16px;}
.hero-sub{font-size:16.5px;line-height:1.85;color:#CFE3DE;max-width:620px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(242,247,245,.16);}
.hero-facts li{display:flex;align-items:center;gap:9px;font-size:14px;color:#B9D3CD;}
.hero-facts .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:none;}

/* ============ 要点卡 ============ */
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.fact{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);}
.fact:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,58,58,.2);}
.fact .num{font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--brand);letter-spacing:-1px;}
.fact .unit{font-size:14px;color:var(--text-3);font-weight:500;margin-left:6px;}
.fact h3{font-size:17px;margin:12px 0 8px;}
.fact p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ 筛选 chips ============ */
.filter-bar{display:flex;flex-wrap:nowrap;gap:10px;overflow-x:auto;padding:6px 2px 14px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.fchip{flex:none;padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:#fff;color:var(--text-2);font-size:14.5px;font-weight:500;transition:all .25s var(--ease);}
.fchip:hover{border-color:var(--mint);color:var(--brand);}
.fchip.is-on{background:var(--accent-soft);border-color:#F7C7B0;color:#B8431A;font-weight:600;}

/* ============ 清单表（category4 主版式） ============ */
.list-shell{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.table-scroll{overflow-x:auto;}
table.cl{width:100%;border-collapse:collapse;min-width:760px;}
table.cl thead th{
  text-align:left;font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--text-2);
  background:#FBF9F5;padding:14px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.cl tbody td{padding:18px 20px;border-bottom:1px solid rgba(228,222,212,.7);font-size:14.8px;color:var(--text-2);vertical-align:top;line-height:1.8;}
table.cl tbody tr:nth-child(even){background:rgba(14,58,58,.018);}
table.cl tbody tr:last-child td{border-bottom:0;}
table.cl tbody tr{transition:background .25s var(--ease);}
table.cl tbody tr:hover{background:rgba(47,211,181,.07);}
table.cl .t-title{display:block;font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.6;}
table.cl .t-title:hover{color:var(--accent);}
table.cl .idx{font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent);font-size:15px;}
.tag{display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);font-size:12.5px;font-weight:500;white-space:nowrap;}
.tag-brand{background:rgba(14,58,58,.07);color:var(--brand);}
.tag-accent{background:var(--accent-soft);color:#B8431A;}
.tag-mint{background:rgba(47,211,181,.16);color:#12695A;}
.tag-warn{background:rgba(217,139,31,.13);color:#8A5A0F;}
.tag-ok{background:rgba(46,158,107,.13);color:#1D6B49;}
.time{display:block;color:var(--text-3);font-size:13.5px;font-variant-numeric:tabular-nums;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s;}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);}
.step::before{
  counter-increment:s;content:counter(s);
  display:grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:700;font-variant-numeric:tabular-nums;font-size:16px;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ 底部两张大卡 ============ */
.big-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.big-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .35s var(--ease),box-shadow .35s var(--ease);display:flex;flex-direction:column;}
.big-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.big-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE8DF;}
.big-card .thumb img{width:100%;height:100%;transition:transform .35s var(--ease);}
.big-card:hover .thumb img{transform:scale(1.03);}
.big-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.big-card h3{font-size:20px;}
.big-card p{font-size:14.8px;color:var(--text-2);line-height:1.85;}
.big-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.arrow-link{font-weight:600;font-size:14.5px;color:var(--brand-3);display:inline-flex;align-items:center;gap:6px;}
.arrow-link:hover{color:var(--accent);gap:10px;transition:gap .25s var(--ease);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);transition:background .25s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:#FBF9F5;}
.faq summary .mark{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);color:var(--brand);display:grid;place-items:center;font-size:16px;line-height:1;transition:all .25s var(--ease);}
.faq[open] summary .mark{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(45deg);}
.faq .ans{padding:0 24px 22px;background:#F7F4EE;border-top:1px solid var(--line);}
.faq .ans p{padding-top:18px;font-size:15px;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{background:var(--brand);border-radius:18px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#F2F7F5;position:relative;overflow:hidden;}
.cta-band::after{content:"9";position:absolute;right:-10px;bottom:-70px;font-size:200px;font-weight:700;color:rgba(47,211,181,.07);line-height:1;}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{color:#C6DCD6;font-size:15.5px;max-width:620px;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;flex:none;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:#C6DCD6;margin-top:80px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:#0A2B2B;color:#fff;box-shadow:inset 0 0 0 3px rgba(47,211,181,.55);}
.footer-text{margin-top:16px;font-size:14.5px;line-height:1.9;color:#9FBCB6;max-width:340px;}
.footer-title{font-size:14px;letter-spacing:.14em;color:#fff;font-weight:600;margin-bottom:18px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C6DCD6;font-size:14.5px;line-height:2;}
.footer-links a:hover{color:var(--mint);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(242,247,245,.14);display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;font-size:13.5px;color:#8EADA7;}

/* ============ 回到顶部 ============ */
.backtop{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s var(--ease);z-index:40;
}
.backtop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.backtop:hover{background:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .facts-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  h1{font-size:26px;}
  h2{font-size:22px;}
  .nav-chips{display:none;}
  .menu-toggle{display:grid;}
  .nav-wrap{justify-content:space-between;gap:12px;}
  .nav-actions .btn-dark{display:none;}
  .hero-inner{padding:44px 32px;max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  h1{font-size:22px;}
  h2{font-size:19px;}
  h3{font-size:17px;}
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .section--tight{padding:36px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .hero{min-height:0;margin-top:14px;border-radius:14px;}
  .hero-inner{padding:36px 22px;}
  .hero-sub{font-size:15px;}
  .hero-btns .btn{width:100%;}
  .hero-facts{gap:10px 18px;}
  .facts-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .big-cards{grid-template-columns:1fr;}
  .big-card .body{padding:20px;}
  .faq summary{padding:16px 18px;font-size:15px;}
  .faq .ans{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;border-radius:14px;}
  .cta-btns{width:100%;}
  .cta-btns .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .backtop{right:14px;bottom:16px;width:42px;height:42px;}
  table.cl{min-width:640px;}
  table.cl thead th,table.cl tbody td{padding:14px 16px;}
}
@media (max-width:400px){
  body{font-size:15px;}
  .fact,.step{padding:20px 16px;}
  .logo-text{font-size:16px;}
}