/* roulang page: index */
:root{
  --ink:#0a1a2b;
  --ink-2:#102a44;
  --brand:#0fa8a0;
  --brand-2:#0b7f8a;
  --brand-soft:#eafaf8;
  --gold:#f2b544;
  --bg:#f5f8fb;
  --surface:#ffffff;
  --text:#152633;
  --muted:#5c6f80;
  --line:#e2e9f0;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(12,32,52,.06);
  --shadow-md:0 12px 32px rgba(12,32,52,.10);
  --shadow-lg:0 20px 52px rgba(12,32,52,.18);
  --wrap:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.4px;line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,168,160,.45);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,32,52,.09);}
.header-top{display:flex;align-items:center;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(15,168,160,.30);
}
.brand-text{white-space:nowrap;}
.header-cta{margin-left:auto;}
.nav-bar{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;padding:0 0 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--muted);background:#fff;border:1px solid var(--line);
  white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand-2);border-color:#b9e5e1;background:var(--brand-soft);}
.chip.active{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(15,168,160,.30);
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-subscribe,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  min-height:44px;
}
.btn-main{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 10px 24px rgba(15,168,160,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,168,160,.40);}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-line{
  background:#fff;color:var(--brand-2);border-color:#bfe6e2;
}
.btn-line:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-sm-cta{padding:9px 18px;font-size:14px;min-height:40px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding:66px 0 76px;
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(7,20,33,.95) 0%,rgba(7,20,33,.86) 46%,rgba(9,32,48,.56) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  color:#c9fff8;background:rgba(15,168,160,.18);border:1px solid rgba(120,235,222,.38);
  margin-bottom:18px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ce0cf;box-shadow:0 0 0 4px rgba(76,224,207,.22);}
.hero h1{
  font-size:clamp(28px,4vw,42px);color:#fff;line-height:1.28;
  letter-spacing:-.8px;margin-bottom:18px;
}
.hero-lead{font-size:16px;line-height:1.85;color:#c6d6e4;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
  color:#bff6ef;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.tag.solid{color:#0b3a3a;background:#bff6ef;border-color:transparent;}

.count-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:16px;box-shadow:var(--shadow-lg);
  backdrop-filter:blur(10px);
}
.count-cover{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:#0d2538;}
.count-cover img{width:100%;height:100%;object-fit:cover;}
.count-title{font-size:14px;font-weight:700;color:#e5f4f2;margin:14px 0 10px;letter-spacing:.2px;}
.count-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.count-cell{background:rgba(255,255,255,.09);border-radius:10px;padding:9px 4px;text-align:center;}
.count-num{font-size:22px;font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;}
.count-label{font-size:11px;color:rgba(255,255,255,.62);margin-top:4px;}
.btn-subscribe{
  width:100%;margin-top:14px;
  background:linear-gradient(135deg,var(--gold),#e79c22);color:#2a1a00;
  box-shadow:0 10px 22px rgba(242,181,68,.28);
}
.btn-subscribe:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,181,68,.36);color:#2a1a00;}
.btn-subscribe.is-done{background:rgba(255,255,255,.16);color:#d9faf5;box-shadow:none;}
.count-note{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:10px;line-height:1.6;}

/* ---------- 区块 ---------- */
.section{padding:66px 0;scroll-margin-top:96px;}
.section.tint{background:#fff;}
.section.deep{
  background:linear-gradient(160deg,var(--ink) 0%,#0d2b40 100%);
  color:#c9dae7;
}
.section.deep h2,.section.deep h3{color:#fff;}
.section.deep .section-head p{color:#9fb7c8;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--muted);margin-top:12px;font-size:15.5px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--brand-2);margin-bottom:12px;
}
.section.deep .eyebrow{color:#5ce2d2;}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:currentColor;}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}

/* ---------- 卡片 ---------- */
.card-x{
  display:block;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c2e7e3;color:inherit;}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-2);font-size:20px;margin-bottom:16px;
}
.card-x h3{font-size:18px;margin-bottom:10px;}
.card-x p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.card-tag{
  display:inline-block;margin-top:16px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);
}

/* ---------- 数据条 ---------- */
.stats-band{background:#fff;border-bottom:1px solid var(--line);}
.stat-card{
  background:linear-gradient(160deg,#ffffff,#f3fbfa);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat-num{font-size:26px;font-weight:800;color:var(--brand-2);letter-spacing:-.6px;line-height:1.2;}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:8px;}

/* ---------- 分类入口 ---------- */
.entry-card{
  position:relative;overflow:hidden;display:block;height:100%;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bde4e0;color:inherit;}
.entry-media{aspect-ratio:16/10;overflow:hidden;background:#e9f2f7;}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .entry-media img{transform:scale(1.05);}
.entry-body{padding:20px 22px 24px;}
.entry-body h3{font-size:18px;margin-bottom:9px;}
.entry-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.entry-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--brand-2);}

/* ---------- 精选推荐 ---------- */
.pick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.pick-media{aspect-ratio:16/9;overflow:hidden;background:#e9f2f7;}
.pick-media img{width:100%;height:100%;object-fit:cover;}
.pick-body{padding:20px;}
.pick-body h3{font-size:17px;margin-bottom:9px;}
.pick-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.pick-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.pick-meta span{font-size:12.5px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);padding:4px 10px;border-radius:999px;}

/* ---------- 口碑榜 ---------- */
.rank-list{display:grid;gap:14px;}
.rank-item{
  display:flex;align-items:flex-start;gap:16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:18px 20px;
  transition:background .2s ease,transform .2s ease;
}
.rank-item:hover{background:rgba(255,255,255,.10);transform:translateX(4px);}
.rank-no{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#0b2a2a;background:#8ff0e4;
}
.rank-item:nth-child(2) .rank-no{background:#c8f4ee;}
.rank-item:nth-child(3) .rank-no{background:#e2f8f5;}
.rank-body h3{font-size:16px;color:#fff;margin-bottom:6px;}
.rank-body p{font-size:14px;color:#a8c0d0;line-height:1.75;}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-top:6px;display:block;}

/* ---------- 保障承诺 ---------- */
.promise-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.promise-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.promise-item i{font-size:22px;color:var(--brand-2);line-height:1.4;}
.promise-item h3{font-size:16px;margin-bottom:6px;}
.promise-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px 22px;
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c2e7e3;}
.step-no{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  font-weight:800;font-size:15px;margin-bottom:14px;
  box-shadow:0 8px 18px rgba(15,168,160,.28);
}
.step-card h3{font-size:16.5px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--muted);line-height:1.78;}

/* ---------- 图文横条 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;background:#e9f2f7;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:14px;}
.split-body > p{color:var(--muted);font-size:15px;line-height:1.85;}
.feature-list{margin-top:20px;display:grid;gap:12px;}
.feature-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:var(--text);line-height:1.75;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 15px;box-shadow:var(--shadow-sm);
}
.feature-list li i{color:var(--brand-2);font-size:17px;line-height:1.5;flex:0 0 auto;}

/* ---------- 场景对照 ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.scene-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.scene-table thead th{
  background:#f1f8f8;color:var(--ink);font-weight:800;font-size:14px;
  padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.scene-table tbody td{
  padding:15px 18px;border-bottom:1px solid #eef3f7;color:var(--muted);line-height:1.7;
}
.scene-table tbody tr:last-child td{border-bottom:none;}
.scene-table tbody tr:hover td{background:#fafdfd;}
.scene-table td:first-child{color:var(--ink);font-weight:700;}

/* ---------- 资讯列表 ---------- */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c2e7e3;color:inherit;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#e9f2f7;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:9px;}
.post-meta i{width:4px;height:4px;border-radius:50%;background:#c3d2dd;display:inline-block;}
.post-body h3{font-size:16.5px;line-height:1.5;margin-bottom:9px;}
.post-body p{font-size:14px;color:var(--muted);line-height:1.75;}
.empty-note{
  background:#fff;border:1px dashed #cfdde8;border-radius:var(--radius);
  padding:34px;text-align:center;color:var(--muted);font-size:15px;
}
.list-foot{display:flex;justify-content:center;margin-top:30px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c2e7e3;}
.faq-item h3{font-size:16px;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 i{color:var(--brand);font-size:17px;line-height:1.5;flex:0 0 auto;}
.faq-item p{font-size:14.5px;color:var(--muted);line-height:1.82;}

/* ---------- 收口 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink-2) url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
  padding:62px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,22,36,.95),rgba(9,52,62,.78));
}
.cta-band .wrap{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;}
.cta-grid h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.cta-grid p{color:#bdd4e2;font-size:15.5px;line-height:1.85;max-width:640px;}
.cta-side{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);padding:24px;text-align:center;
  backdrop-filter:blur(8px);
}
.cta-side .mini-num{font-size:30px;font-weight:800;color:#8ff0e4;line-height:1.2;}
.cta-side .mini-label{font-size:13.5px;color:#a9c3d3;margin-top:6px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#a8bfd0;padding:56px 0 22px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;}
.footer-brand .name{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.85;color:#93aec2;max-width:360px;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.2px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#a8bfd0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#8ff0e4;padding-left:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:#7b96ab;
}
.footer-bottom span{line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero{padding:54px 0 62px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:26px;}
  .split-media{aspect-ratio:16/9;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand-col{grid-column:1 / -1;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .header-top{height:60px;}
  .brand-text{font-size:15.5px;}
  .section{padding:48px 0;}
  .hero h1{font-size:26px;}
  .hero-lead{font-size:15px;}
  .grid-2,.grid-3,.grid-4,.faq-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .scene-table thead{display:none;}
  .scene-table tbody td{display:block;border-bottom:none;padding:6px 18px;}
  .scene-table tbody tr{display:block;border-bottom:1px solid #eef3f7;padding:12px 0;}
  .scene-table tbody td:first-child{padding-top:14px;}
  .scene-table tbody td:last-child{padding-bottom:16px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .hero{padding:44px 0 52px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .count-row{gap:6px;}
  .count-num{font-size:19px;}
  .card-x,.stat-card,.promise-item,.step-card,.faq-item{padding:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
 --ink:#0a1a2b;
 --ink-2:#102a44;
 --brand:#0fa8a0;
 --brand-2:#0b7f8a;
 --brand-soft:#eafaf8;
 --gold:#f2b544;
 --bg:#f5f8fb;
 --surface:#ffffff;
 --text:#152633;
 --muted:#5c6f80;
 --line:#e2e9f0;
 --radius:16px;
 --radius-sm:10px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(12,32,52,.06);
 --shadow-md:0 12px 32px rgba(12,32,52,.10);
 --shadow-lg:0 20px 52px rgba(12,32,52,.18);
 --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.2em;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,32,52,.09);}
.header-top{display:flex;align-items:center;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:36px;height:36px;flex:0 0 36px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
 box-shadow:0 6px 16px rgba(15,168,160,.30);
}
.brand-text{white-space:nowrap;}
.header-cta{margin-left:auto;}
.nav-bar{
 display:flex;align-items:center;gap:8px;
 overflow-x:auto;padding:0 0 10px;
 scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
 padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
 color:var(--muted);background:#fff;border:1px solid var(--line);
 white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand-2);border-color:#b9e5e1;background:var(--brand-soft);}
.chip.active{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;border-color:transparent;
 box-shadow:0 8px 20px rgba(15,168,160,.30);
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-light{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:15px;
 padding:12px 24px;border:1px solid transparent;
 cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 min-height:44px;
}
.btn-main{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;box-shadow:0 10px 24px rgba(15,168,160,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,168,160,.40);}
.btn-light{background:#fff;color:var(--brand-2);box-shadow:0 10px 24px rgba(0,0,0,.14);}
.btn-light:hover{background:#f0fffd;color:var(--brand-2);transform:translateY(-2px);}
.btn-sm-cta{padding:9px 18px;font-size:14px;min-height:40px;}

/* ---------- 文章头部 ---------- */
.article-hero{
 position:relative;overflow:hidden;color:#fff;
 padding:40px 0 62px;
 background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(7,20,33,.96) 0%,rgba(7,20,33,.88) 52%,rgba(10,34,50,.64) 100%);
}
.article-hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#93b0c6;margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:#bfe6e2;}
.crumb a:hover{color:#fff;}
.crumb i{font-size:11px;opacity:.65;}
.crumb span{color:#d5e6f2;}
.hero-grid-inner{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
 color:#c9fff8;background:rgba(15,168,160,.18);border:1px solid rgba(120,235,222,.38);
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ce0cf;box-shadow:0 0 0 4px rgba(76,224,207,.22);}
.hero-copy h1{
 font-size:clamp(26px,3.4vw,38px);line-height:1.32;
 letter-spacing:-.6px;margin:16px 0 16px;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:#a8c2d4;margin-bottom:14px;}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:#4ce0cf;font-size:14px;}
.hero-lead{font-size:15.5px;line-height:1.85;color:#c6d6e4;max-width:620px;}
.hero-cover{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow-lg);
}
.hero-cover img{width:100%;height:238px;object-fit:cover;}

/* ---------- 区块 ---------- */
.section{padding:62px 0;scroll-margin-top:96px;}
.section.tint{background:#fff;}
.section.deep{
 background:linear-gradient(160deg,var(--ink) 0%,#0d2b40 100%);
 color:#c9dae7;
}
.section.deep h2,.section.deep h3{color:#fff;}
.section.deep .section-head p{color:#9fb7c8;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--ink);letter-spacing:-.4px;}
.section-head p{color:var(--muted);margin-top:12px;font-size:15.5px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:800;letter-spacing:1.4px;
 color:var(--brand-2);margin-bottom:12px;
}
.section.deep .eyebrow{color:#5ce2d2;}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:currentColor;}

/* ---------- 正文卡片 ---------- */
.article-shell{max-width:920px;margin:0 auto;}
.article-panel{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
 padding:clamp(22px,3.4vw,44px);
}
.cms-article{font-size:16px;line-height:1.9;color:#20374a;}
.cms-article > *:first-child{margin-top:0;}
.cms-article h2{
 font-size:clamp(20px,2.2vw,24px);margin:34px 0 14px;padding-left:14px;
 border-left:4px solid var(--brand);line-height:1.5;color:var(--ink);
}
.cms-article h3{font-size:18px;margin:26px 0 10px;color:var(--ink);}
.cms-article h4{font-size:16px;margin:20px 0 8px;color:var(--ink-2);}
.cms-article p{margin:0 0 16px;}
.cms-article ul,.cms-article ol{margin:0 0 18px;padding-left:22px;}
.cms-article li{margin-bottom:8px;}
.cms-article strong{color:var(--brand-2);}
.cms-article a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.cms-article img{border-radius:var(--radius-sm);margin:18px 0;box-shadow:var(--shadow-sm);height:auto;}
.cms-article blockquote{
 margin:20px 0;padding:16px 20px;background:var(--brand-soft);
 border-left:4px solid var(--brand);border-radius:var(--radius-sm);
 color:#14565c;font-size:15px;
}
.cms-article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.cms-article th,.cms-article td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.cms-article th{background:#f2f7fa;color:var(--ink);font-weight:700;}
.article-empty{text-align:center;padding:36px 10px;}
.article-empty h2{font-size:22px;margin-bottom:12px;color:var(--ink);}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ---------- 卡片 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bfe6e2;}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-size:20px;margin-bottom:16px;
}
.info-card h3{font-size:17px;margin-bottom:9px;color:var(--ink);}
.info-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}
.card-tag{
 display:inline-flex;align-items:center;
 margin-top:16px;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);
}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-box{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 18px;text-align:center;
 transition:transform .2s ease,border-color .2s ease;
}
.stat-box:hover{transform:translateY(-3px);border-color:rgba(92,226,210,.5);}
.stat-num{font-size:28px;font-weight:800;color:#5ce2d2;letter-spacing:-.5px;line-height:1.2;}
.stat-label{font-size:13.5px;color:#a8c2d4;margin-top:8px;}

/* ---------- 分类入口 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:14px;}
.cat-chip{
 display:inline-flex;align-items:center;gap:10px;
 padding:13px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);
 font-weight:700;font-size:15px;color:var(--ink);box-shadow:var(--shadow-sm);
 transition:all .2s ease;min-height:44px;
}
.cat-chip:hover{transform:translateY(-3px);border-color:#bfe6e2;color:var(--brand-2);box-shadow:var(--shadow-md);}
.cat-chip i{color:var(--brand);font-size:17px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#c9e8e5;box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;
 display:flex;justify-content:space-between;gap:14px;align-items:center;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{transition:transform .25s ease;color:var(--brand-2);font-size:15px;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- 收口 CTA ---------- */
.cta-band{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 border-radius:var(--radius-lg);padding:42px 44px;color:#fff;
 display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;
 box-shadow:var(--shadow-md);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:10px;letter-spacing:-.3px;}
.cta-band p{color:#d9fffb;font-size:15px;margin:0;max-width:620px;line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#b7c8d6;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;}
.footer-brand .name{white-space:nowrap;}
.footer-desc{font-size:14px;line-height:1.9;color:#93a9ba;max-width:420px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.footer-col a{font-size:14px;color:#9db3c4;}
.footer-col a:hover{color:#5ce2d2;}
.footer-bottom{
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.10);
 margin-top:38px;padding-top:18px;font-size:13px;color:#7d93a5;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid-inner{grid-template-columns:1fr;gap:26px;}
 .hero-cover img{height:220px;}
 .point-grid{grid-template-columns:repeat(2,1fr);}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .section{padding:54px 0;}
}
@media (max-width:768px){
 .header-top{height:58px;}
 .brand-text{font-size:15px;}
 .article-hero{padding:32px 0 48px;}
 .section{padding:44px 0;}
 .point-grid{grid-template-columns:1fr;}
 .cta-band{padding:30px 24px;}
 .article-panel{padding:22px 18px;}
 .hero-cover img{height:190px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
 .brand-text{font-size:14px;letter-spacing:-.4px;}
 .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:14px;}
 .header-cta{padding:8px 13px;font-size:13px;}
 .stat-strip{grid-template-columns:1fr 1fr;}
 .stat-num{font-size:23px;}
 .chip{font-size:13px;padding:7px 13px;}
 .article-meta{gap:12px;font-size:12.5px;}
 .cms-article{font-size:15.5px;}
 .faq-item summary{font-size:15px;padding:16px 18px;}
 .faq-item p{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
 --ink:#0a1a2b;
 --ink-2:#102a44;
 --brand:#0fa8a0;
 --brand-2:#0b7f8a;
 --brand-soft:#eafaf8;
 --gold:#f2b544;
 --bg:#f5f8fb;
 --surface:#ffffff;
 --text:#152633;
 --muted:#5c6f80;
 --line:#e2e9f0;
 --radius:16px;
 --radius-sm:10px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(12,32,52,.06);
 --shadow-md:0 12px 32px rgba(12,32,52,.10);
 --shadow-lg:0 20px 52px rgba(12,32,52,.18);
 --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
a:focus-visible,button:focus-visible{outline:3px solid rgba(15,168,160,.45);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,32,52,.09);}
.header-top{display:flex;align-items:center;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:36px;height:36px;flex:0 0 36px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
 box-shadow:0 6px 16px rgba(15,168,160,.30);
}
.brand-text{white-space:nowrap;}
.header-cta{margin-left:auto;}
.nav-bar{
 display:flex;align-items:center;gap:8px;
 overflow-x:auto;padding:0 0 10px;
 scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
 padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
 color:var(--muted);background:#fff;border:1px solid var(--line);
 white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand-2);border-color:#b9e5e1;background:var(--brand-soft);}
.chip.active{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;border-color:transparent;
 box-shadow:0 8px 20px rgba(15,168,160,.30);
}
/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:15px;
 padding:12px 24px;border:1px solid transparent;
 cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 min-height:44px;
}
.btn-main{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;box-shadow:0 10px 24px rgba(15,168,160,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,168,160,.40);}
.btn-ghost{
 background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand-2);border-color:#bfe6e2;}
.btn-line:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-sm-cta{padding:9px 18px;font-size:14px;min-height:40px;}
/* ---------- 分类 Hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:62px 0 68px;background:var(--ink);color:#fff;}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(112deg,rgba(7,20,33,.96) 0%,rgba(7,20,33,.88) 46%,rgba(9,32,48,.58) 100%);}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
 color:#c9fff8;background:rgba(15,168,160,.18);border:1px solid rgba(120,235,222,.38);
 margin-bottom:18px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ce0cf;box-shadow:0 0 0 4px rgba(76,224,207,.22);}
.hero-cat h1{font-size:clamp(26px,3.6vw,40px);color:#fff;line-height:1.3;letter-spacing:-.8px;margin-bottom:18px;font-weight:800;}
.hero-lead{font-size:16px;line-height:1.85;color:#c6d6e4;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
 color:#bff6ef;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.preview-card{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:16px;box-shadow:var(--shadow-lg);
 backdrop-filter:blur(10px);
}
.preview-thumb{position:relative;border-radius:14px;overflow:hidden;}
.preview-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.preview-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,30,.06),rgba(6,18,30,.55));}
.play-btn{
 position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
 width:64px;height:64px;border-radius:50%;z-index:3;
 border:1px solid rgba(255,255,255,.5);
 background:rgba(15,168,160,.92);color:#fff;
 display:grid;place-items:center;font-size:24px;cursor:pointer;
 box-shadow:0 12px 28px rgba(4,20,30,.45);
 transition:transform .2s ease,background .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.07);background:var(--brand-2);color:#fff;}
.preview-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px;}
.meta-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px 12px;}
.meta-cell strong{display:block;color:#eafaf8;font-size:14px;font-weight:700;}
.meta-cell span{font-size:12.5px;color:#a9c4d4;}
/* ---------- 区块 ---------- */
.section{padding:66px 0;scroll-margin-top:100px;}
.section.tint{background:#fff;}
.section.deep{background:linear-gradient(160deg,var(--ink) 0%,#0d2b40 100%);color:#c9dae7;}
.section.deep h2,.section.deep h3{color:#fff;}
.section.deep .section-head p{color:#9fb7c8;}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.4px;}
.section-head p{color:var(--muted);margin-top:12px;font-size:15.5px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:800;letter-spacing:1.4px;
 color:var(--brand-2);margin-bottom:12px;
}
.section.deep .eyebrow{color:#5ce2d2;}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:currentColor;}
/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 18px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9e9e6;}
.stat-item i{font-size:20px;color:var(--brand);}
.stat-value{font-size:18px;font-weight:800;color:var(--ink);margin-top:8px;letter-spacing:-.2px;}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px;}
/* ---------- 设备场景 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;}
.req-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.req-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e9e6;}
.req-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-size:20px;margin-bottom:14px;
}
.req-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.req-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
/* ---------- 渠道核对 ---------- */
.channel-list{display:grid;gap:14px;}
.channel-item{
 display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;
 padding:20px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.channel-item:hover{background:rgba(255,255,255,.09);border-color:rgba(92,226,210,.42);transform:translateY(-2px);}
.channel-icon{
 width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
 background:rgba(15,168,160,.18);color:#5ce2d2;font-size:21px;
}
.channel-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px;}
.channel-item p{font-size:14.5px;line-height:1.8;color:#a8c1d2;}
.note-strip{
 margin-top:22px;display:flex;gap:12px;align-items:flex-start;
 padding:16px 20px;border-radius:var(--radius-sm);
 background:rgba(242,181,68,.12);border:1px solid rgba(242,181,68,.34);
 color:#f4dda9;font-size:14.5px;line-height:1.75;
}
.note-strip i{color:var(--gold);font-size:18px;line-height:1.5;}
/* ---------- 安装流程 ---------- */
.step-flow{display:grid;gap:14px;}
.step-item{
 display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9e9e6;}
.step-num{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;font-weight:800;font-size:16px;
 box-shadow:0 8px 18px rgba(15,168,160,.28);
}
.step-item h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px;}
.step-item p{font-size:14.5px;line-height:1.8;color:var(--muted);}
/* ---------- 更新说明 ---------- */
.bullet-list{margin-top:18px;display:grid;gap:12px;}
.bullet-list li{
 position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--muted);
}
.bullet-list li::before{
 content:"\F26B";font-family:"bootstrap-icons";
 position:absolute;left:0;top:1px;color:var(--brand);font-size:16px;
}
/* ---------- 入门要点 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.quick-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e9e6;}
.quick-card .q-tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;font-weight:700;color:var(--brand-2);
 background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.quick-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.quick-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
/* ---------- 玩家反馈 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.voice-card{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 22px;height:100%;
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.voice-card:hover{transform:translateY(-3px);border-color:rgba(92,226,210,.42);background:rgba(255,255,255,.09);}
.voice-card .bi-quote{font-size:26px;color:var(--brand);display:block;margin-bottom:10px;}
.voice-card p{font-size:14.5px;line-height:1.85;color:#c3d6e3;}
.voice-name{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:#8fb0c4;}
.voice-name span.dot{width:8px;height:8px;border-radius:50%;background:#4ce0cf;}
/* ---------- FAQ ---------- */
.faq .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);
}
.faq .accordion-item:first-of-type,.faq .accordion-item:last-of-type{border-radius:var(--radius);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
 font-weight:700;color:var(--ink);background:#fff;
 font-size:15.5px;padding:18px 20px;line-height:1.65;
}
.faq .accordion-button:not(.collapsed){
 color:var(--brand-2);background:var(--brand-soft);box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,168,160,.22);border-color:transparent;}
.faq .accordion-button::after{width:14px;height:14px;background-size:14px;}
.faq .accordion-body{padding:16px 20px 20px;color:var(--muted);font-size:15px;line-height:1.85;}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:42px 40px;
 background:linear-gradient(135deg,#0d2b40,#081824 62%);
 color:#dbeaf4;box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.25fr auto;gap:26px;align-items:center;
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-6.webp') center/cover no-repeat;
 opacity:.17;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:800;letter-spacing:-.4px;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.85;color:#a8c1d2;max-width:660px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- 弹窗 ---------- */
.custom-modal{border:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.custom-modal .modal-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.custom-modal .modal-title{font-size:17px;font-weight:800;color:var(--ink);}
.custom-modal .modal-body{padding:20px 22px 24px;}
.custom-modal .modal-body img{border-radius:var(--radius-sm);margin-bottom:16px;width:100%;aspect-ratio:16/9;object-fit:cover;}
.mini-steps{display:grid;gap:10px;}
.mini-steps li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.mini-steps li b{color:var(--brand-2);flex:0 0 auto;}
/* ---------- 页脚 ---------- */
.site-footer{background:#071621;color:#9fb7c8;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-desc{font-size:14px;line-height:1.85;color:#93aec1;max-width:430px;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#9fb7c8;font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:#5ce2d2;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);
 padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;
 font-size:13px;color:#7d97a9;flex-wrap:wrap;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px;}
 .split{grid-template-columns:1fr;gap:28px;}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
 .req-grid{grid-template-columns:repeat(2,1fr);}
 .quick-grid{grid-template-columns:repeat(2,1fr);}
 .voice-grid{grid-template-columns:repeat(2,1fr);}
 .cta-band{grid-template-columns:1fr;padding:34px 28px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-brand-col{grid-column:1 / -1;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .hero-cat{padding:44px 0 50px;}
 .brand-text{font-size:15px;}
 .nav-bar{padding-bottom:8px;}
 .req-grid,.quick-grid,.voice-grid{grid-template-columns:1fr;}
 .stat-strip{grid-template-columns:1fr 1fr;}
 .step-item{grid-template-columns:44px 1fr;padding:18px;}
 .step-num{width:40px;height:40px;border-radius:12px;font-size:15px;}
 .channel-item{grid-template-columns:1fr;gap:12px;padding:18px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
 .header-top{height:60px;gap:10px;}
 .brand{font-size:15px;gap:8px;}
 .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:14px;}
 .header-cta{padding:8px 13px;font-size:13px;min-height:38px;}
 .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
 .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
 .stat-strip{grid-template-columns:1fr;}
 .preview-meta{grid-template-columns:1fr;}
 .faq .accordion-button{font-size:14.5px;padding:16px;}
 .cta-band{padding:28px 20px;}
}

/* roulang page: category2 */
:root{
 --ink:#0a1a2b;
 --ink-2:#102a44;
 --brand:#0fa8a0;
 --brand-2:#0b7f8a;
 --brand-soft:#eafaf8;
 --gold:#f2b544;
 --bg:#f5f8fb;
 --surface:#ffffff;
 --text:#152633;
 --muted:#5c6f80;
 --line:#e2e9f0;
 --radius:16px;
 --radius-sm:10px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(12,32,52,.06);
 --shadow-md:0 12px 32px rgba(12,32,52,.10);
 --shadow-lg:0 20px 52px rgba(12,32,52,.18);
 --wrap:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
p{margin:0 0 12px;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.3;letter-spacing:-.4px;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,32,52,.09);}
.header-top{display:flex;align-items:center;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:36px;height:36px;flex:0 0 36px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
 box-shadow:0 6px 16px rgba(15,168,160,.30);
}
.brand-text{white-space:nowrap;}
.header-cta{margin-left:auto;}
.nav-bar{
 display:flex;align-items:center;gap:8px;
 overflow-x:auto;padding:0 0 10px;
 scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
 padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
 color:var(--muted);background:#fff;border:1px solid var(--line);
 white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand-2);border-color:#b9e5e1;background:var(--brand-soft);}
.chip.active{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;border-color:transparent;
 box-shadow:0 8px 20px rgba(15,168,160,.30);
}
.chip:focus-visible,.btn-main:focus-visible,.btn-line:focus-visible,.btn-ghost:focus-visible{
 outline:3px solid rgba(15,168,160,.45);outline-offset:3px;
}
/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:15px;
 padding:12px 24px;border:1px solid transparent;
 cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 min-height:44px;
}
.btn-main{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;box-shadow:0 10px 24px rgba(15,168,160,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,168,160,.40);}
.btn-ghost{
 background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-line{
 background:#fff;color:var(--brand-2);border-color:#bfe6e2;
}
.btn-line:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-sm);color:var(--brand-2);}
.btn-sm-cta{padding:9px 18px;font-size:14px;min-height:40px;}
/* ---------- 分类 Hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 padding:56px 0 62px;
 background:
  radial-gradient(900px 420px at 88% 8%,rgba(15,168,160,.16),transparent 62%),
  linear-gradient(180deg,#f0f8f8 0%,var(--bg) 100%);
 border-bottom:1px solid var(--line);
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 opacity:.10;
}
.cat-hero .wrap{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
 color:#0a6b67;background:rgba(15,168,160,.12);border:1px solid rgba(15,168,160,.28);
 margin-bottom:16px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,168,160,.16);}
.cat-hero h1{
 font-size:clamp(27px,3.6vw,40px);line-height:1.3;letter-spacing:-.9px;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand-2);}
.cat-lead{font-size:15.5px;line-height:1.9;color:var(--muted);max-width:560px;}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
 color:#0a6b67;background:#fff;border:1px solid #cdeae7;
}
.tag.solid{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;}
/* Hero 右侧斜向错位大图 */
.cat-hero-art{position:relative;padding:8px 0 8px 26px;}
.art-frame{
 position:relative;z-index:2;
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.8);
 box-shadow:var(--shadow-lg);
 transform:rotate(-2.4deg);
 background:#fff;
}
.art-frame img{width:100%;height:340px;object-fit:cover;}
.art-float{
 position:absolute;z-index:3;right:-6px;bottom:-18px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-md);
 padding:14px 18px;min-width:196px;
}
.art-float .k{font-size:24px;font-weight:800;color:var(--brand-2);line-height:1.1;}
.art-float .t{font-size:12.5px;color:var(--muted);margin-top:4px;}
.art-badge{
 position:absolute;z-index:3;left:-8px;top:-6px;
 background:linear-gradient(135deg,var(--gold),#e79c22);
 color:#2a1a00;font-size:12.5px;font-weight:800;
 padding:7px 14px;border-radius:999px;
 box-shadow:0 10px 22px rgba(242,181,68,.34);
 transform:rotate(-3deg);
}
/* ---------- 区块 ---------- */
.section{padding:64px 0;scroll-margin-top:110px;}
.section.tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section.deep{
 background:linear-gradient(160deg,var(--ink) 0%,#0d2b40 100%);
 color:#c9dae7;
}
.section.deep h2,.section.deep h3{color:#fff;}
.section.deep .section-head p{color:#9fb7c8;}
.section-head{max-width:780px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--muted);margin-top:12px;font-size:15.5px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:800;letter-spacing:1.4px;
 color:var(--brand-2);margin-bottom:12px;
}
.section.deep .eyebrow{color:#5ce2d2;}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:currentColor;}
/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.info-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bfe6e2;}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 font-size:20px;color:var(--brand-2);
 background:var(--brand-soft);border:1px solid #d5f0ed;margin-bottom:16px;
}
.info-card h3{font-size:18px;margin-bottom:10px;}
.info-card p{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}
.card-tag{
 display:inline-block;margin-top:16px;
 font-size:12.5px;font-weight:700;color:var(--brand-2);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
/* ---------- 场景对照 ---------- */
.scene-layout{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;}
.scene-media{
 border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-md);border:1px solid var(--line);
}
.scene-media img{width:100%;height:400px;object-fit:cover;}
.scene-list{display:grid;gap:14px;}
.scene-item{
 display:grid;grid-template-columns:44px 1fr;gap:14px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#bfe6e2;}
.scene-num{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.scene-item h3{font-size:16.5px;margin-bottom:6px;}
.scene-item p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}
/* ---------- 数据徽章条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);padding:22px 20px;
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(92,226,210,.55);background:rgba(255,255,255,.10);}
.stat-card .num{font-size:30px;font-weight:800;color:#5ce2d2;line-height:1.1;letter-spacing:-1px;}
.stat-card .num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-card .label{font-size:14px;font-weight:700;color:#e8f5f3;margin-top:8px;}
.stat-card .desc{font-size:13.5px;color:#9fb7c8;line-height:1.75;margin-top:6px;}
/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-card{
 position:relative;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:52px 22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bfe6e2;}
.step-card::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 position:absolute;top:16px;left:22px;
 font-size:13px;font-weight:800;letter-spacing:1px;color:var(--brand-2);
 background:var(--brand-soft);border-radius:8px;padding:3px 9px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}
/* ---------- 误区对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.compare-col.bad h3 i{color:#d98a3c;}
.compare-col.good h3 i{color:var(--brand-2);}
.compare-col ul li{
 display:flex;gap:10px;font-size:14.8px;line-height:1.8;
 color:var(--muted);padding:11px 0;border-bottom:1px dashed var(--line);
}
.compare-col ul li:last-child{border-bottom:none;padding-bottom:0;}
.compare-col ul li i{flex:0 0 auto;margin-top:3px;font-size:15px;}
.compare-col.bad ul li i{color:#d98a3c;}
.compare-col.good ul li i{color:var(--brand);}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.channel-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bfe6e2;color:inherit;}
.channel-card .ch-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.channel-card .ch-top i{font-size:19px;color:var(--brand-2);}
.channel-card h3{font-size:17.5px;}
.channel-card p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}
.channel-card .ch-more{
 display:inline-flex;align-items:center;gap:6px;margin-top:16px;
 font-size:13.5px;font-weight:700;color:var(--brand-2);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#bfe6e2;box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
 font-size:16px;font-weight:700;color:var(--ink);min-height:48px;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-2);}
.faq-item summary:focus-visible{outline:3px solid rgba(15,168,160,.45);outline-offset:-3px;}
.faq-item summary::after{
 content:"\F64D";font-family:"bootstrap-icons";position:absolute;right:20px;top:50%;
 transform:translateY(-50%);font-size:16px;color:var(--brand-2);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"\F63B";}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}
/* ---------- 收口 CTA ---------- */
.cta-band{
 background:linear-gradient(135deg,#0b3c44 0%,#0a1a2b 100%);
 border-radius:var(--radius-lg);
 padding:40px;
 display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
 box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
 border-radius:50%;background:radial-gradient(circle,rgba(15,168,160,.34),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:10px;}
.cta-band p{color:#a9c3d4;font-size:15px;line-height:1.85;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
/* ---------- 页脚 ---------- */
.site-footer{
 background:#08151f;color:#93a9ba;padding:52px 0 26px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .name{font-size:16.5px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.footer-desc{font-size:14.5px;line-height:1.85;color:#8fa5b6;max-width:420px;margin:0;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a{font-size:14.5px;color:#93a9ba;transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-col ul li a:hover{color:#5ce2d2;transform:translateX(3px);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.08);padding-top:20px;
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 font-size:13.5px;color:#6f8698;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:34px;}
 .cat-hero{padding:44px 0 52px;}
 .cat-hero-art{padding-left:0;max-width:640px;}
 .art-frame img{height:300px;}
 .art-float{right:6px;bottom:-14px;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .scene-layout{grid-template-columns:1fr;gap:28px;}
 .scene-media img{height:320px;}
 .stat-row{grid-template-columns:repeat(2,1fr);}
 .step-grid{grid-template-columns:repeat(2,1fr);}
 .channel-grid{grid-template-columns:1fr;}
 .cta-band{grid-template-columns:1fr;padding:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
 .footer-brand-col{grid-column:1 / -1;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .compare-grid{grid-template-columns:1fr;}
 .art-frame{transform:rotate(-1.4deg);}
 .art-frame img{height:250px;}
 .brand-text{font-size:15px;}
 .cat-hero h1{letter-spacing:-.6px;}
 .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
 .header-top{height:60px;gap:10px;}
 .brand-text{max-width:170px;overflow:hidden;text-overflow:ellipsis;}
 .header-cta{padding:8px 13px;font-size:13px;}
 .cat-actions .btn-main,.cat-actions .btn-line{width:100%;}
 .card-grid{grid-template-columns:1fr;}
 .step-grid{grid-template-columns:1fr;}
 .stat-row{grid-template-columns:1fr;}
 .scene-media img{height:220px;}
 .art-float{position:static;margin-top:12px;width:100%;}
 .art-badge{left:0;}
 .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
 .footer-bottom{font-size:12.5px;}
}

/* roulang page: category3 */
:root{
 --ink:#0a1a2b;
 --ink-2:#102a44;
 --brand:#0fa8a0;
 --brand-2:#0b7f8a;
 --brand-soft:#eafaf8;
 --gold:#f2b544;
 --bg:#f5f8fb;
 --surface:#ffffff;
 --text:#152633;
 --muted:#5c6f80;
 --line:#e2e9f0;
 --radius:16px;
 --radius-sm:10px;
 --radius-lg:22px;
 --shadow-sm:0 2px 10px rgba(12,32,52,.06);
 --shadow-md:0 12px 32px rgba(12,32,52,.10);
 --shadow-lg:0 20px 52px rgba(12,32,52,.18);
 --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.4px;line-height:1.35;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,168,160,.45);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,32,52,.09);}
.header-top{display:flex;align-items:center;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:36px;height:36px;flex:0 0 36px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
 box-shadow:0 6px 16px rgba(15,168,160,.30);
}
.brand-text{white-space:nowrap;}
.header-cta{margin-left:auto;}
.nav-bar{
 display:flex;align-items:center;gap:8px;
 overflow-x:auto;padding:0 0 10px;
 scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
 padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
 color:var(--muted);background:#fff;border:1px solid var(--line);
 white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand-2);border-color:#b9e5e1;background:var(--brand-soft);}
.chip.active{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;border-color:transparent;
 box-shadow:0 8px 20px rgba(15,168,160,.30);
}
/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:15px;
 padding:12px 24px;border:1px solid transparent;
 cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 min-height:44px;
}
.btn-main{
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;box-shadow:0 10px 24px rgba(15,168,160,.32);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,168,160,.40);}
.btn-ghost{
 background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand-2);border-color:#bfe6e2;}
.btn-line:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-sm-cta{padding:9px 18px;font-size:14px;min-height:40px;}
/* ---------- 分类首屏 ---------- */
.hero-cat{
 position:relative;overflow:hidden;color:#fff;
 padding:70px 0 104px;
 background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero-cat::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(7,20,33,.96) 0%,rgba(8,30,45,.90) 48%,rgba(10,60,66,.62) 100%);
}
.hero-cat::after{
 content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;
 background:var(--bg);
 clip-path:polygon(0 100%,100% 6%,100% 100%);
}
.hero-cat .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:44px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
 color:#c9fff8;background:rgba(15,168,160,.18);border:1px solid rgba(120,235,222,.38);
 margin-bottom:18px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ce0cf;box-shadow:0 0 0 4px rgba(76,224,207,.22);}
.hero-cat h1{
 font-size:clamp(27px,3.9vw,41px);color:#fff;line-height:1.3;
 letter-spacing:-.8px;margin-bottom:16px;
}
.hero-lead{font-size:16px;line-height:1.85;color:#c6d6e4;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
 color:#bff6ef;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.tag.solid{color:#0b3a3a;background:#bff6ef;border-color:transparent;}
/* 首屏右侧火力面板 */
.fire-panel{
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-lg);
 padding:20px 20px 16px;
 box-shadow:var(--shadow-lg);
 backdrop-filter:blur(10px);
}
.fp-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:#e6f7f4;margin-bottom:14px;}
.fp-head i{color:#5ce2d2;font-size:17px;}
.fp-list{display:grid;gap:10px;}
.fp-list li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:10px 13px;border-radius:12px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
 font-size:13.5px;
}
.fp-name{color:#e9f7f5;font-weight:700;}
.fp-val{color:#8fe9de;font-size:12.5px;font-weight:600;white-space:nowrap;}
.fp-foot{
 display:flex;align-items:center;gap:8px;
 margin-top:14px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.18);
 font-size:12.5px;color:#a9c3d3;
}
.fp-foot .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);flex:0 0 7px;}
/* ---------- 区块 ---------- */
.section{padding:64px 0;scroll-margin-top:104px;}
.section.tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section.deep{
 background:linear-gradient(160deg,var(--ink) 0%,#0d2b40 100%);
 color:#c9dae7;
}
.section.deep h2,.section.deep h3{color:#fff;}
.section.deep .section-head p{color:#9fb7c8;}
.section-head{max-width:770px;margin-bottom:32px;}
.section-head h2{font-size:clamp(21px,2.5vw,29px);}
.section-head p{color:var(--muted);margin-top:12px;font-size:15.5px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:800;letter-spacing:1.4px;
 color:var(--brand-2);margin-bottom:12px;
}
.section.deep .eyebrow{color:#5ce2d2;}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:currentColor;}
/* ---------- 卡片网格 ---------- */
.grid-2,.grid-3,.grid-4{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.tile{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e9e5;}
.tile .ico{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-size:19px;margin-bottom:14px;
}
.tile h3{font-size:17px;margin-bottom:8px;}
.tile p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.tile .meta{
 display:inline-flex;align-items:center;gap:6px;
 margin-top:14px;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);
}
.tile .thumb{
 border-radius:12px;overflow:hidden;margin-bottom:15px;aspect-ratio:16/10;background:#eef4f8;
}
.tile .thumb img{width:100%;height:100%;object-fit:cover;}
.section.deep .tile{
 background:rgba(255,255,255,.06);
 border-color:rgba(255,255,255,.13);
 box-shadow:none;
}
.section.deep .tile:hover{background:rgba(255,255,255,.10);border-color:rgba(120,235,222,.42);}
.section.deep .tile p{color:#a9c3d3;}
.section.deep .tile .ico{background:rgba(15,168,160,.20);color:#5ce2d2;}
.section.deep .tile .meta{background:rgba(15,168,160,.20);color:#8fe9de;}
/* ---------- 火力阶梯 ---------- */
.ladder{display:grid;gap:12px;}
.ladder-row{
 display:grid;grid-template-columns:96px 1.05fr 1.15fr 1.5fr;
 align-items:center;gap:16px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:15px 18px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ladder-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c6e9e5;}
.lv{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:66px;padding:5px 12px;border-radius:8px;
 font-size:13px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.lv.g2{background:linear-gradient(135deg,#2f9de0,#1f6fbd);}
.lv.g3{background:linear-gradient(135deg,#6a7fdd,#4457b8);}
.lv.g4{background:linear-gradient(135deg,#e0a13a,#c07a14);}
.ladder-row strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px;}
.ladder-row small{color:var(--muted);font-size:12.5px;}
.bar{height:8px;border-radius:6px;background:#eef4f8;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.bar.b2 span{background:linear-gradient(90deg,#2f9de0,#1f6fbd);}
.bar.b3 span{background:linear-gradient(90deg,#6a7fdd,#4457b8);}
.bar.b4 span{background:linear-gradient(90deg,#f2b544,#d08c14);}
.ladder-note{
 margin-top:20px;padding:16px 18px;border-radius:var(--radius-sm);
 background:var(--brand-soft);border:1px solid #c9ece8;
 font-size:14.5px;color:#0d514d;line-height:1.8;
}
/* ---------- 步骤 ---------- */
.step-list{display:grid;gap:16px;counter-reset:st;}
.step-list li{
 position:relative;display:grid;grid-template-columns:44px 1fr;gap:16px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c6e9e5;}
.step-list li::before{
 counter-increment:st;content:counter(st,decimal-leading-zero);
 display:grid;place-items:center;
 width:44px;height:44px;border-radius:12px;
 font-size:14px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 18px rgba(15,168,160,.26);
}
.step-list h3{font-size:16px;margin-bottom:6px;}
.step-list p{color:var(--muted);font-size:14.5px;line-height:1.8;}
/* ---------- 要点清单 ---------- */
.point-list{display:grid;gap:14px;}
.point-list li{
 display:flex;gap:12px;align-items:flex-start;
 padding:16px 18px;border-radius:var(--radius-sm);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
 font-size:14.5px;line-height:1.8;color:var(--text);
 transition:border-color .2s ease,transform .2s ease;
}
.point-list li:hover{border-color:#c6e9e5;transform:translateY(-2px);}
.point-list i{color:var(--brand-2);font-size:18px;flex:0 0 auto;margin-top:2px;}
.point-list b{color:var(--ink);}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-list details{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:0;box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list details[open]{border-color:#bfe6e2;box-shadow:var(--shadow-md);}
.faq-list summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
 padding:16px 18px;font-size:15.5px;font-weight:700;color:var(--ink);
 min-height:44px;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
 content:"\F4FE";font-family:"bootstrap-icons";margin-left:auto;
 color:var(--brand-2);font-size:15px;transition:transform .2s ease;
}
.faq-list details[open] summary::after{transform:rotate(180deg);}
.faq-list .faq-body{
 padding:0 18px 18px;color:var(--muted);font-size:14.5px;line-height:1.85;
 border-top:1px dashed var(--line);margin-top:-2px;padding-top:14px;
}
/* ---------- 内容列表 ---------- */
.post-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e9e5;color:inherit;}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#eef4f8;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.post-cat{
 align-self:flex-start;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);
}
.post-body h3{font-size:16px;line-height:1.5;}
.post-body p{color:var(--muted);font-size:14px;line-height:1.75;}
.post-date{margin-top:auto;font-size:12.5px;color:#8b9caa;}
.empty-tip{
 padding:22px;border-radius:var(--radius-sm);background:#fff;
 border:1px dashed var(--line);color:var(--muted);font-size:14.5px;text-align:center;
}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:38px 34px;
 background:linear-gradient(120deg,#0b2b3d 0%,#0d4a52 60%,#0f6f74 100%);
 color:#e6f7f4;box-shadow:var(--shadow-md);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(76,224,207,.28),rgba(76,224,207,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-band p{color:#b9d6dd;max-width:640px;font-size:15px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative;z-index:2;}
/* ---------- 页脚 ---------- */
.site-footer{
 background:var(--ink);color:#a9c0d2;padding:54px 0 26px;margin-top:10px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .name{font-size:16px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#8ea9bd;max-width:420px;}
.footer-col h3{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.2px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:#9db6c9;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#5ce2d2;padding-left:3px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
 font-size:13px;color:#7e9aae;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px;}
 .hero-cat{padding:56px 0 96px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .ladder-row{grid-template-columns:88px 1fr;row-gap:12px;}
 .ladder-row .col-bar{grid-column:1 / -1;}
 .ladder-row .col-use{grid-column:1 / -1;}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:26px;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .hero-cat h1{letter-spacing:-.4px;}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .brand-text{font-size:15px;}
 .header-cta{display:none;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .cta-band{padding:28px 22px;}
 .ladder-row{grid-template-columns:1fr;}
 .lv{justify-self:start;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .hero-cat{padding:44px 0 84px;}
 .hero-cat::after{height:70px;}
 .section-head h2{font-size:21px;}
 .tile{padding:18px;}
 .step-list li{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}