/* roulang page: index */
:root{
  --bg:#f5f8fd;
  --bg-alt:#ffffff;
  --surface:#ffffff;
  --ink:#0f2138;
  --ink-2:#3d5170;
  --muted:#7d8ea8;
  --brand:#2a63d8;
  --brand-deep:#1b4aa8;
  --brand-soft:#e9f0ff;
  --accent:#ef7a3d;
  --accent-soft:#fff1e9;
  --gold:#d9a521;
  --line:#e3eaf5;
  --line-strong:#cfdcf0;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:10px;
  --shadow-1:0 2px 10px rgba(15,33,56,.05);
  --shadow-2:0 12px 30px rgba(15,33,56,.10);
  --shadow-3:0 22px 52px rgba(15,33,56,.16);
  --container:1180px;
  --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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
img{max-width:100%;display:block;border-radius:var(--radius);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:3px solid rgba(42,99,216,.45);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,33,56,.09);}
.nav-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,#2a63d8,#5b91ff);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;
  box-shadow:0 6px 16px rgba(42,99,216,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:8px 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.28);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{display:none;margin-left:auto;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font-size:13px;font-weight:700;}
.step-nav{
  display:flex;align-items:center;gap:8px;
  padding:0 0 12px;overflow-x:auto;scrollbar-width:none;
}
.step-nav::-webkit-scrollbar{display:none;}
.step-link{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:5px 14px 5px 5px;border-radius:999px;
  background:#f1f5fd;color:var(--ink-2);font-size:13px;font-weight:600;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.step-link .dot{
  width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line-strong);
  display:grid;place-items:center;font-size:12px;font-weight:800;color:var(--brand);
}
.step-link:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.step-link.is-current{background:var(--brand-soft);color:var(--brand-deep);}
.step-link.is-current .dot{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:8px;font-size:15px;font-weight:700;
  border:1px solid transparent;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,99,216,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,99,216,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(239,122,61,.32);}
.btn-accent:hover{background:#dd6a2d;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,122,61,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:#0c2350;
  padding:58px 0 118px;
  color:#fff;
}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.24;filter:saturate(.85);}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,25,54,.96) 0%,rgba(12,42,88,.9) 46%,rgba(19,58,116,.62) 100%);
}
.hero-slant{
  position:absolute;left:-6%;right:-6%;bottom:-72px;height:150px;
  background:var(--bg);transform:skewY(-3.2deg);transform-origin:right bottom;
}
.hero-inner{position:relative;z-index:2;}
.hero-main{max-width:840px;margin:0 auto;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;
}
.hero-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(239,122,61,.25);
}
.hero h1{
  margin:22px 0 0;font-size:40px;line-height:1.28;color:#fff;
  text-shadow:0 6px 26px rgba(3,16,38,.45);
}
.hero-lead{
  max-width:760px;margin:18px auto 0;
  font-size:16px;line-height:1.85;color:rgba(232,241,255,.9);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px;}
.hero-tags span{
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dce8ff;
}
.hero-burst{
  position:absolute;top:18px;right:26px;z-index:3;
  width:96px;height:96px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#ff9c5e,#ef7a3d 62%,#d95f24);
  color:#fff;display:grid;place-items:center;text-align:center;
  font-size:14px;font-weight:800;line-height:1.25;
  transform:rotate(-12deg);
  box-shadow:0 16px 34px rgba(217,95,36,.42);
  border:3px dashed rgba(255,255,255,.55);
}
.hero-strip{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  margin-top:46px;border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.2);
}
.hero-strip-item{
  background:rgba(10,31,66,.52);
  padding:18px 20px;text-align:center;
  backdrop-filter:blur(4px);
}
.hero-strip-item strong{display:block;font-size:19px;color:#fff;font-weight:800;letter-spacing:.01em;}
.hero-strip-item span{display:block;margin-top:4px;font-size:13px;color:rgba(214,229,255,.82);}

/* ============ 通用板块 ============ */
.section{padding:74px 0;}
.section--alt{background:var(--bg-alt);}
.section--soft{background:linear-gradient(180deg,#eef4ff 0%,#f5f8fd 100%);}
.section--tight{padding:44px 0;}
.section-head{max-width:800px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
  padding-left:14px;position:relative;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:16px;border-radius:3px;background:var(--brand);
}
.section-head h2{font-size:30px;letter-spacing:-.02em;}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-2);}
.section-head.center p{margin-left:auto;margin-right:auto;}

/* ============ 数据看板 ============ */
.board{padding:0 0 68px;}
.board-card{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);overflow:hidden;margin-top:-66px;position:relative;z-index:5;
}
.stat{padding:26px 20px;text-align:center;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat strong{display:block;font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.2;}
.stat strong em{font-style:normal;font-size:17px;color:var(--brand-deep);margin-left:2px;}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);font-weight:600;}

/* ============ 网格与卡片 ============ */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);
}
.chip-accent{background:var(--accent-soft);color:#c4561d;}
.chip-line{background:#fff;border:1px solid var(--line-strong);color:var(--ink-2);}

/* 频道入口卡 */
.channel-card{display:flex;flex-direction:column;overflow:hidden;color:inherit;}
.channel-card:hover{color:inherit;}
.channel-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dce6f6;}
.channel-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.channel-card:hover .channel-media img{transform:scale(1.045);}
.channel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.channel-body h3{font-size:19px;}
.channel-body p{font-size:14.5px;color:var(--ink-2);line-height:1.72;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:4px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.link-more::after{content:"→";transition:transform .2s var(--ease);}
.channel-card:hover .link-more::after{transform:translateX(4px);}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-copy h2{font-size:30px;}
.split-copy p{margin-top:16px;font-size:15.5px;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;padding-left:28px;font-size:15px;color:var(--ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--brand-soft);border:1px solid rgba(42,99,216,.35);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-2);border-radius:var(--radius-lg);}
.mini-card{padding:22px;}
.mini-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);margin-bottom:14px;
}
.mini-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mini-card h3{font-size:17px;}
.mini-card p{margin-top:8px;font-size:14.5px;color:var(--ink-2);}

/* 附近推荐 */
.local-card{padding:20px 22px;}
.local-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.score{font-size:14px;font-weight:800;color:var(--gold);}
.local-card h3{font-size:16.5px;margin-top:12px;}
.local-card p{margin-top:8px;font-size:14px;color:var(--ink-2);}
.local-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);font-weight:600;
}

/* 口碑榜 */
.rank-list{display:grid;gap:14px;}
.rank-item{display:flex;align-items:center;gap:20px;padding:20px 24px;}
.rank-no{
  flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:var(--brand-deep);background:var(--brand-soft);
}
.rank-item:nth-child(1) .rank-no{background:#fff3d8;color:#a8791a;}
.rank-item:nth-child(2) .rank-no{background:#eef1f7;color:#54637a;}
.rank-item:nth-child(3) .rank-no{background:#fcece2;color:#b05f2c;}
.rank-body{flex:1 1 auto;}
.rank-body h3{font-size:16.5px;}
.rank-body p{margin-top:5px;font-size:14px;color:var(--ink-2);}
.rank-score{flex:0 0 auto;text-align:right;}
.rank-score strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.1;}
.rank-score span{font-size:12.5px;color:var(--muted);font-weight:600;}

/* 口碑评价 */
.review-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.review-card{padding:26px 24px;display:flex;flex-direction:column;gap:14px;}
.review-card .stars{color:var(--gold);font-size:14px;letter-spacing:2px;}
.review-card p{font-size:14.8px;color:var(--ink-2);line-height:1.8;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 38px;
  display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#2a63d8,#6a9bff);
}
.review-user strong{display:block;font-size:14px;color:var(--ink);}
.review-user span{font-size:12.5px;color:var(--muted);}

/* 保障承诺 */
.promise-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.promise-item{
  padding:26px 22px;border-radius:var(--radius-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.promise-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.promise-item .mini-icon{background:var(--accent-soft);color:#c4561d;}
.promise-item h3{font-size:16.5px;}
.promise-item p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* 上手流程 */
.flow-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.flow-step{position:relative;padding:26px 22px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.flow-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;background:var(--brand);
  box-shadow:0 8px 18px rgba(42,99,216,.28);margin-bottom:14px;
}
.flow-step h3{font-size:16.5px;}
.flow-step p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* 多端入口 */
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.device-btn{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:26px 18px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  color:var(--ink);font-size:15px;font-weight:700;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.device-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(42,99,216,.4);color:var(--brand-deep);}
.device-btn .mini-icon{margin-bottom:0;}
.device-btn small{font-size:12.5px;font-weight:500;color:var(--muted);}

/* 场景矩阵 */
.scene-card{padding:24px;display:flex;flex-direction:column;gap:10px;}
.scene-card h3{font-size:17px;}
.scene-card p{font-size:14.2px;color:var(--ink-2);}
.scene-card .chip{align-self:flex-start;}

/* 对比 */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-col{padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);}
.compare-col.is-highlight{background:linear-gradient(180deg,#f1f6ff,#ffffff);border-color:rgba(42,99,216,.32);box-shadow:var(--shadow-2);}
.compare-col h3{font-size:19px;display:flex;align-items:center;gap:10px;}
.compare-col h3 .dot-mark{width:10px;height:10px;border-radius:50%;background:var(--muted);}
.compare-col.is-highlight h3 .dot-mark{background:var(--brand);box-shadow:0 0 0 5px rgba(42,99,216,.14);}
.compare-list{margin-top:18px;display:grid;gap:12px;}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.compare-list li::before{
  content:"";flex:0 0 18px;height:18px;margin-top:4px;border-radius:6px;
  background:var(--brand-soft);border:1px solid rgba(42,99,216,.28);
}
.compare-col:not(.is-highlight) .compare-list li::before{background:#f0f3f8;border-color:var(--line-strong);}

/* 专题索引 */
.topic-tags{display:flex;flex-wrap:wrap;gap:12px;}
.topic-tag{
  padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line-strong);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.topic-tag:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--shadow-1);}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:26px;align-items:start;}
.news-main{display:grid;gap:16px;}
.news-item{
  display:block;padding:22px 24px;color:inherit;
}
.news-item:hover{color:inherit;}
.news-item h3{font-size:17.5px;line-height:1.5;}
.news-item p{margin-top:8px;font-size:14.4px;color:var(--ink-2);}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--muted);}
.news-side{padding:26px 24px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.news-side h3{font-size:17px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.news-side-list{margin-top:6px;display:grid;gap:2px;}
.news-side-list a{
  display:block;padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:14.4px;font-weight:600;color:var(--ink);line-height:1.6;
}
.news-side-list a:last-child{border-bottom:0;}
.news-side-list a:hover{color:var(--brand);}
.news-side-list span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted);font-weight:500;}
.empty-note{
  padding:36px 24px;text-align:center;border-radius:var(--radius-lg);
  background:#fff;border:1px dashed var(--line-strong);color:var(--muted);font-size:15px;
}
.side-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.side-more::after{content:"→";transition:transform .2s var(--ease);}
.side-more:hover::after{transform:translateX(4px);}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  padding:22px 26px;border-radius:var(--radius-lg);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.faq-item h3{font-size:16.5px;display:flex;gap:12px;align-items:flex-start;}
.faq-item h3::before{
  content:"问";flex:0 0 26px;height:26px;border-radius:8px;margin-top:1px;
  display:grid;place-items:center;font-size:12.5px;font-weight:800;
  background:var(--brand-soft);color:var(--brand-deep);
}
.faq-item p{margin-top:12px;padding-left:38px;font-size:14.6px;color:var(--ink-2);}

/* 转化区 */
.join-section{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#123a7d 0%,#1b4aa8 55%,#2a63d8 100%);
  padding:78px 0;
}
.join-section::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 70%);
}
.join-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .92fr;gap:44px;align-items:center;}
.join-copy h2{color:#fff;font-size:31px;}
.join-copy p{margin-top:16px;font-size:15.5px;color:rgba(226,237,255,.9);}
.join-points{margin-top:22px;display:grid;gap:10px;}
.join-points li{display:flex;gap:10px;font-size:14.8px;color:rgba(232,241,255,.92);}
.join-points li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:5px;border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);
}
.join-form{
  background:#fff;border-radius:var(--radius-lg);padding:30px 28px;
  box-shadow:var(--shadow-3);color:var(--ink-2);
}
.join-form h3{font-size:18px;}
.join-form p.form-note{margin-top:8px;font-size:13.5px;color:var(--muted);}
.field{margin-top:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line-strong);background:#fbfcfe;color:var(--ink);
  font-size:14.5px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field input:hover,.field select:hover{border-color:#b9cbe8;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(42,99,216,.14);
}
.join-form .btn{width:100%;margin-top:20px;}
.form-tip{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:#eafaf0;border:1px solid #b9e6c9;color:#1d7a45;font-size:13.5px;font-weight:600;
}
.form-tip.is-on{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#0d1f3b;color:#b7c7de;padding:66px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;padding-bottom:44px;}
.brand-light{color:#fff;}
.brand-light:hover{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.2px;color:#93a7c4;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:#a9bcd6;}
.footer-col ul a:hover{color:#fff;}
.footer-col p{font-size:14px;color:#93a7c4;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.2px;color:#8ba0be;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero h1{font-size:34px;}
  .grid-4,.promise-grid,.flow-list,.device-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3,.review-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:30px;}
  .news-layout{grid-template-columns:1fr;}
  .join-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .board-card{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-56px;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
  .stat:nth-child(2n+1){border-right:1px solid var(--line);}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:0 18px 30px rgba(15,33,56,.12);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:11px 14px;font-size:15px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero-burst{width:78px;height:78px;font-size:12.5px;top:10px;right:14px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 96px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .section-head h2,.split-copy h2,.join-copy h2{font-size:24px;}
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px;}
  .grid-2,.grid-3,.grid-4,.review-wall,.promise-grid,.flow-list,.device-grid,.compare-grid{grid-template-columns:1fr;}
  .board-card{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-item{flex-wrap:wrap;gap:14px;padding:18px;}
  .rank-score{text-align:left;}
  .faq-item{padding:18px 20px;}
  .faq-item p{padding-left:0;}
  .join-form{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn-lg{padding:13px 24px;font-size:15px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;}
  .hero-burst{display:none;}
  .board-card{grid-template-columns:1fr;}
  .stat{border-right:0 !important;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .news-item{padding:18px;}
  .hero-tags span{font-size:12px;padding:5px 12px;}
}

/* roulang page: article */
:root{
 --bg:#f5f8fd;
 --bg-alt:#ffffff;
 --surface:#ffffff;
 --ink:#0f2138;
 --ink-2:#3d5170;
 --muted:#7d8ea8;
 --brand:#2a63d8;
 --brand-deep:#1b4aa8;
 --brand-soft:#e9f0ff;
 --accent:#ef7a3d;
 --accent-soft:#fff1e9;
 --gold:#d9a521;
 --line:#e3eaf5;
 --line-strong:#cfdcf0;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:10px;
 --shadow-1:0 2px 10px rgba(15,33,56,.05);
 --shadow-2:0 12px 30px rgba(15,33,56,.10);
 --shadow-3:0 22px 52px rgba(15,33,56,.16);
 --container:1180px;
 --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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
img{max-width:100%;display:block;border-radius:var(--radius);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid rgba(42,99,216,.42);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,33,56,.09);}
.nav-bar{display:flex;align-items:center;gap:22px;height:64px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 34px;
 background:linear-gradient(135deg,#2a63d8,#5b91ff);
 color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;
 box-shadow:0 6px 16px rgba(42,99,216,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
 padding:8px 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.28);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:40px;border-radius:10px;
 border:1px solid var(--line-strong);background:#fff;color:var(--ink);
 font-size:13px;font-weight:700;align-items:center;justify-content:center;
}
.step-nav{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none;}
.step-nav::-webkit-scrollbar{display:none;}
.step-link{
 display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;
 border:1px solid var(--line);white-space:nowrap;transition:all .2s var(--ease);
}
.step-link .dot{
 width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-size:11px;font-weight:800;
}
.step-link:hover{border-color:var(--brand);color:var(--brand-deep);}
.step-link.is-current{background:var(--brand);color:#fff;border-color:var(--brand);}
.step-link.is-current .dot{background:rgba(255,255,255,.24);color:#fff;}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:8px;font-size:15px;font-weight:700;
 border:1px solid transparent;text-align:center;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,99,216,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,99,216,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(239,122,61,.32);}
.btn-accent:hover{background:#dd6a2d;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,122,61,.4);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}

/* ============ 文章头图区 ============ */
.article-hero{position:relative;overflow:hidden;background:#0c2350;padding:48px 0 92px;color:#fff;}
.article-hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.24;filter:saturate(.85);}
.article-hero-veil{
 position:absolute;inset:0;
 background:linear-gradient(116deg,rgba(8,25,54,.96) 0%,rgba(12,42,88,.9) 48%,rgba(19,58,116,.6) 100%);
}
.article-hero-inner{position:relative;z-index:2;max-width:900px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(210,226,252,.82);}
.crumbs a{color:rgba(219,232,255,.9);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span.sep{opacity:.55;}
.article-hero h1{
 margin:16px 0 0;font-size:38px;line-height:1.32;color:#fff;
 text-shadow:0 6px 26px rgba(3,16,38,.45);
}
.article-hero .lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(230,240,255,.9);max-width:780px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:13.5px;color:rgba(219,232,255,.85);}
.article-meta .meta-pill{
 padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.14);
 border:1px solid rgba(255,255,255,.28);color:#fff;font-weight:700;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dce8ff;
}

/* ============ 头图 ============ */
.article-figure{position:relative;max-width:var(--container);margin:-52px auto 0;padding:0 24px;z-index:3;}
.article-figure img{
 width:100%;aspect-ratio:21/9;object-fit:cover;
 border-radius:var(--radius-lg);box-shadow:var(--shadow-3);border:5px solid #fff;
}
.article-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);}

/* ============ 板块基础 ============ */
.section{padding:58px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:740px;margin-bottom:30px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.05em;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand);}
.section-title{margin-top:10px;font-size:26px;line-height:1.42;}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ 正文 ============ */
.article-body{
 max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:36px 40px;
}
.pullquote{
 position:relative;margin:0 0 30px;padding:24px 28px 24px 30px;
 border-radius:var(--radius-lg);
 background:linear-gradient(122deg,#0f2c5e,#1b4aa8 62%,#2a63d8);
 color:#fff;font-size:18px;line-height:1.7;font-weight:600;
 box-shadow:var(--shadow-2);overflow:hidden;
}
.pullquote::before{
 content:"“";position:absolute;top:-6px;left:14px;font-size:76px;
 font-family:Georgia,serif;color:rgba(255,255,255,.16);line-height:1;
}
.pullquote p{position:relative;margin:0;color:#fff;}
.pullquote cite{display:block;margin-top:12px;font-size:13px;font-style:normal;font-weight:600;color:rgba(219,232,255,.86);}
.article-content{font-size:16px;line-height:1.85;color:var(--ink-2);}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
 font-size:23px;line-height:1.45;margin:34px 0 14px;padding-left:14px;
 border-left:4px solid var(--brand);color:var(--ink);
}
.article-content h3{font-size:18.5px;margin:26px 0 10px;color:var(--ink);}
.article-content h4{font-size:16.5px;margin:20px 0 8px;color:var(--ink);}
.article-content p{margin:0 0 16px;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;}
.article-content li{margin:6px 0;}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--accent);}
.article-content img{border-radius:var(--radius);margin:18px 0;box-shadow:var(--shadow-1);}
.article-content blockquote{
 margin:22px 0;padding:16px 22px;background:var(--brand-soft);
 border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
 color:var(--brand-deep);
}
.article-content table{width:100%;border-collapse:collapse;font-size:14.5px;margin:18px 0;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.article-content th{background:var(--brand-soft);color:var(--ink);}
.empty-state{padding:26px 0 8px;text-align:center;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ============ 卡片 ============ */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
 margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);
 font-size:17px;font-weight:800;margin-bottom:15px;
}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.tag{
 display:inline-block;padding:4px 12px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:700;
}
.tag-accent{background:var(--accent-soft);color:#c25a1d;}
.card .tag{margin-top:15px;}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.flow-item{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 22px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow-item::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em;
}
.flow-item h3{font-size:16.5px;margin:8px 0 6px;}
.flow-item p{font-size:14px;color:var(--ink-2);line-height:1.78;}

/* ============ 对比表 ============ */
.table-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
 background:#fff;box-shadow:var(--shadow-1);
}
table.compare{width:100%;border-collapse:collapse;min-width:700px;font-size:14.5px;}
.compare th{background:#0f2c5e;color:#fff;font-weight:700;padding:15px 18px;text-align:left;font-size:14px;}
.compare td{padding:15px 18px;border-top:1px solid var(--line);color:var(--ink-2);}
.compare tbody tr:hover{background:var(--brand-soft);}
.compare td strong{color:var(--ink);}

/* ============ 口碑榜 ============ */
.rank-list{display:grid;gap:14px;list-style:none;}
.rank-item{
 display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.rank-no{
 width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:15px;
}
.rank-item:nth-child(1) .rank-no{background:var(--accent-soft);color:#c25a1d;}
.rank-info h3{font-size:16px;margin-bottom:4px;}
.rank-info p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.bar{height:6px;border-radius:999px;background:var(--brand-soft);margin-top:10px;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2a63d8,#5b91ff);}
.rank-score{font-size:13px;font-weight:800;color:var(--brand-deep);white-space:nowrap;}

/* ============ 频道矩阵 ============ */
.cat-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-1);color:inherit;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.cat-card h3{font-size:18px;margin-bottom:10px;}
.cat-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.cat-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:700;color:var(--brand);}
.cat-card:hover .more{color:var(--accent);}

/* ============ 图文延伸 ============ */
.news-split{display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:center;}
.news-figure{position:relative;margin:0;}
.news-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-2);}
.news-figure .float-tag{
 position:absolute;left:16px;bottom:16px;padding:7px 16px;border-radius:999px;
 background:rgba(255,255,255,.95);color:var(--brand-deep);font-size:12.5px;font-weight:800;
 box-shadow:var(--shadow-1);
}
.news-list{list-style:none;display:grid;gap:14px;}
.news-list li{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.news-list a{display:block;color:inherit;}
.news-list h3{font-size:16.5px;margin-bottom:6px;color:var(--ink);}
.news-list a:hover h3{color:var(--brand);}
.news-list p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;
 justify-content:space-between;gap:16px;font-weight:700;font-size:16px;color:var(--ink);
 transition:background-color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft);}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);font-weight:700;}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.82;color:var(--ink-2);}

/* ============ 转化区 ============ */
.cta-band{
 background:linear-gradient(120deg,#0f2c5e,#1b4aa8 58%,#2a63d8);
 border-radius:var(--radius-lg);padding:44px;color:#fff;
 display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
 box-shadow:var(--shadow-3);
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4;}
.cta-band .cta-sub{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(226,238,255,.9);}
.cta-points{list-style:none;display:grid;gap:10px;margin-top:22px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(230,241,255,.94);}
.cta-points li::before{
 content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;
 background:var(--accent);margin-top:9px;
}
.cta-form{
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
 border-radius:var(--radius);padding:26px;
}
.cta-form label{display:block;font-size:13.5px;font-weight:700;color:rgba(232,242,255,.92);margin-bottom:8px;}
.cta-form input{
 width:100%;padding:12px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.35);
 background:rgba(255,255,255,.96);color:var(--ink);font-size:15px;
 transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(239,122,61,.35);}
.cta-form .btn{margin-top:16px;width:100%;}
.form-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(214,230,255,.82);}
.form-ok{display:none;margin-top:12px;font-size:13.5px;font-weight:700;color:#bfe0ff;}
.form-ok.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#0b1f3d;color:#b9c9e3;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.brand-light{color:#fff;}
.brand-light:hover{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:#a9bcd9;}
.footer-col h4{margin-bottom:14px;font-size:15px;color:#fff;}
.footer-col ul{list-style:none;display:grid;gap:9px;}
.footer-col ul a{font-size:14px;color:#b9c9e3;}
.footer-col ul a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.85;color:#a9bcd9;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 font-size:13px;color:#8fa5c6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .cta-band{grid-template-columns:1fr;padding:34px;gap:26px;}
 .news-split{grid-template-columns:1fr;gap:24px;}
 .article-hero h1{font-size:32px;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .nav-cta{display:none;}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:10px 18px 16px;display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:12px 14px;font-size:15px;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:42px 0;}
 .grid-2,.grid-3{grid-template-columns:1fr;}
 .article-hero{padding:36px 0 74px;}
 .article-hero h1{font-size:27px;}
 .article-hero .lead{font-size:15px;}
 .article-body{padding:24px 20px;}
 .article-content h2{font-size:20px;}
 .article-figure{margin-top:-42px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .rank-item{grid-template-columns:auto minmax(0,1fr);row-gap:8px;}
 .rank-score{grid-column:2;justify-self:start;}
 .pullquote{font-size:16.5px;padding:20px 22px;}
}
@media (max-width:520px){
 .grid-4,.flow{grid-template-columns:1fr;}
 .section{padding:34px 0;}
 .section-title{font-size:22px;}
 .article-figure{padding:0 18px;margin-top:-34px;}
 .article-figure img{aspect-ratio:16/9;border-width:3px;border-radius:var(--radius);}
 .cta-band{padding:24px;border-radius:var(--radius);}
 .cta-band h2{font-size:21px;}
 .cta-form{padding:20px;}
 .btn{padding:11px 20px;font-size:14.5px;}
 .article-meta{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
 --bg:#f5f8fd;
 --bg-alt:#ffffff;
 --surface:#ffffff;
 --ink:#0f2138;
 --ink-2:#3d5170;
 --muted:#7d8ea8;
 --brand:#2a63d8;
 --brand-deep:#1b4aa8;
 --brand-soft:#e9f0ff;
 --accent:#ef7a3d;
 --accent-soft:#fff1e9;
 --gold:#d9a521;
 --line:#e3eaf5;
 --line-strong:#cfdcf0;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:10px;
 --shadow-1:0 2px 10px rgba(15,33,56,.05);
 --shadow-2:0 12px 30px rgba(15,33,56,.10);
 --shadow-3:0 22px 52px rgba(15,33,56,.16);
 --container:1180px;
 --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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:-.01em;font-family:inherit;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
img{max-width:100%;display:block;border-radius:var(--radius);}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:3px solid rgba(42,99,216,.42);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,33,56,.09);}
.site-header .container{position:relative;}
.nav-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 34px;
 background:linear-gradient(135deg,#2a63d8,#5b91ff);
 color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;
 box-shadow:0 6px 16px rgba(42,99,216,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
 padding:8px 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.28);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font-size:13px;font-weight:700;}
/* ============ 步骤导航 ============ */
.step-nav{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none;}
.step-nav::-webkit-scrollbar{display:none;}
.step-link{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 14px;border-radius:999px;
 background:#fff;border:1px solid var(--line);
 font-size:13px;font-weight:700;color:var(--ink-2);white-space:nowrap;
 transition:border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.step-link .dot{
 width:20px;height:20px;border-radius:50%;flex:0 0 20px;
 background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-size:11px;font-weight:800;
}
.step-link:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--shadow-1);}
.step-link.is-current{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(42,99,216,.26);}
.step-link.is-current .dot{background:rgba(255,255,255,.26);color:#fff;}
/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:8px;font-size:15px;font-weight:700;
 border:1px solid transparent;text-align:center;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,99,216,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,99,216,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(239,122,61,.32);}
.btn-accent:hover{background:#dd6a2d;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,122,61,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:#0c2350;padding:54px 0 62px;color:#fff;}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.2;filter:saturate(.85);}
.hero-veil{position:absolute;inset:0;background:linear-gradient(118deg,rgba(8,25,54,.97) 0%,rgba(12,42,88,.92) 48%,rgba(19,58,116,.68) 100%);}
.hero-inner{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:7px 16px;border-radius:999px;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
 font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(239,122,61,.25);}
.hero h1{margin:20px 0 0;font-size:38px;line-height:1.3;color:#fff;text-shadow:0 6px 26px rgba(3,16,38,.45);}
.hero-lead{max-width:620px;margin:18px 0 0;font-size:16px;line-height:1.85;color:rgba(232,241,255,.9);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dce8ff;
}
.hero-panel{
 background:rgba(9,26,55,.74);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-lg);
 padding:20px;
 box-shadow:0 26px 52px rgba(3,15,36,.42);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:#bcd3f6;letter-spacing:.04em;margin-bottom:12px;}
.panel-head .dot-live{width:8px;height:8px;border-radius:50%;background:#43d38a;box-shadow:0 0 0 4px rgba(67,211,138,.2);flex:0 0 8px;}
.code-block{
 margin:0;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
 font-size:12.5px;line-height:1.95;color:#cfe2ff;
 background:rgba(4,18,40,.8);
 border:1px solid rgba(120,170,255,.22);
 border-radius:10px;padding:15px 16px;overflow-x:auto;white-space:pre;
}
.panel-note{margin-top:12px;font-size:12.5px;color:rgba(190,212,246,.78);line-height:1.7;}
.hero-strip{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
 margin-top:44px;border-radius:var(--radius-lg);overflow:hidden;
 background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);
}
.hero-strip-item{background:rgba(10,31,66,.55);padding:16px 20px;}
.hero-strip-item b{display:block;font-size:21px;color:#fff;line-height:1.25;font-weight:800;}
.hero-strip-item span{font-size:13px;color:rgba(206,226,255,.8);}
/* ============ 板块通用 ============ */
.sec{padding:72px 0;}
.sec-alt{background:var(--bg-alt);}
.sec-head{max-width:800px;margin-bottom:34px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.08em;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand);}
.sec-head h2{margin-top:12px;font-size:29px;line-height:1.35;}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.sec-head-center{max-width:720px;margin-left:auto;margin-right:auto;text-align:center;}
.sec-head-center .eyebrow{justify-content:center;}
/* ============ 卡片 ============ */
.card-grid{display:grid;gap:22px;}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.card-ico{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);margin-bottom:16px;
}
.card-ico svg{width:22px;height:22px;display:block;}
.info-card h3{font-size:17px;line-height:1.5;}
.info-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
 display:inline-block;padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);
}
.tag-warm{color:#b4541d;background:var(--accent-soft);}
.tag-line{color:var(--ink-2);background:#f4f7fc;border:1px solid var(--line);}
/* ============ 表格 ============ */
.table-wrap{
 overflow-x:auto;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);
}
.rule-table{width:100%;border-collapse:collapse;min-width:620px;}
.rule-table caption{caption-side:top;text-align:left;padding:16px 20px 0;font-size:13px;color:var(--muted);font-weight:600;}
.rule-table th{background:#16376e;color:#fff;font-size:14px;text-align:left;padding:14px 20px;font-weight:700;white-space:nowrap;}
.rule-table td{padding:13px 20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-2);vertical-align:top;}
.rule-table tbody tr:nth-child(even) td{background:#f8fafd;}
.rule-table td strong{color:var(--ink);}
.table-tip{
 display:flex;gap:12px;align-items:flex-start;
 margin-top:18px;padding:16px 20px;border-radius:var(--radius);
 background:var(--accent-soft);border:1px solid #f8dcc9;
 font-size:14px;color:#8c4519;line-height:1.8;
}
.table-tip b{color:#a04a15;}
/* ============ 流程步骤 ============ */
.flow-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;margin-top:42px;}
.flow-step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:34px 22px 24px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.flow-step::before{
 counter-increment:step;content:counter(step);
 position:absolute;top:-16px;left:22px;width:36px;height:36px;border-radius:10px;
 background:var(--brand);color:#fff;display:grid;place-items:center;
 font-size:15px;font-weight:800;box-shadow:0 10px 20px rgba(42,99,216,.3);
}
.flow-step h3{font-size:16.5px;}
.flow-step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
/* ============ 带图专题卡 ============ */
.media-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.media-card img{width:100%;height:186px;object-fit:cover;border-radius:0;}
.media-card-body{padding:22px;}
.media-card h3{font-size:17px;}
.media-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
/* ============ 时间线 ============ */
.split-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.timeline{border-left:2px solid var(--line-strong);padding-left:28px;margin-left:6px;}
.timeline-item{position:relative;padding-bottom:26px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-37px;top:7px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-sizing:content-box;
}
.timeline-item h3{font-size:16.5px;}
.timeline-item span{display:inline-block;margin-top:4px;font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.04em;}
.timeline-item p{margin-top:8px;font-size:14.5px;line-height:1.82;color:var(--ink-2);}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;margin-bottom:16px;}
.side-list li{
 display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
 font-size:14.5px;line-height:1.8;color:var(--ink-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li b{color:var(--ink);font-weight:700;}
/* ============ 图文两列 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-2);}
.check-list{margin-top:26px;}
.check-list li{
 display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);
 font-size:14.8px;line-height:1.8;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list .mark{
 flex:0 0 24px;width:24px;height:24px;border-radius:50%;
 background:var(--accent-soft);color:#b4541d;display:grid;place-items:center;
 font-size:13px;font-weight:800;margin-top:3px;
}
.check-list b{color:var(--ink);}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-size:16px;font-weight:700;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:8px;
 background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-size:16px;font-weight:800;
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
/* ============ 转化区 ============ */
.cta-panel{
 background:linear-gradient(120deg,#123a7c 0%,#1e56b8 58%,#2a63d8 100%);
 border-radius:var(--radius-lg);
 padding:44px;
 color:#fff;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
 box-shadow:var(--shadow-3);
}
.cta-panel h2{color:#fff;font-size:28px;line-height:1.35;}
.cta-panel p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(226,238,255,.9);}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#e6f0ff;
}
.cta-form{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:var(--radius);padding:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:#dce8ff;margin-bottom:7px;}
.field input{
 width:100%;padding:12px 14px;min-height:46px;border-radius:8px;
 border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.14);
 color:#fff;font-size:15px;font-family:inherit;
 transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:rgba(214,229,255,.62);}
.field input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.22);box-shadow:0 0 0 3px rgba(255,255,255,.18);}
.cta-form .btn{width:100%;}
.form-tip{margin-top:12px;font-size:13px;color:#cfe0ff;min-height:20px;}
/* ============ 页脚 ============ */
.site-footer{background:#0b1f42;color:#a9bcd8;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.brand-light{color:#fff;}
.brand-light:hover{color:#cfe0ff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#93a9c9;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#a9bcd8;font-size:14px;display:inline-block;padding:2px 0;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.85;color:#93a9c9;}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7d93b5;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero h1{font-size:33px;}
 .hero-grid{gap:34px;}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .flow-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .split-layout{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
 .nav-cta{display:none;}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 20px 18px;box-shadow:0 18px 30px rgba(15,33,56,.12);
  display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:11px 14px;font-size:15px;}
 .hero-grid{grid-template-columns:1fr;}
 .hero-lead{max-width:none;}
 .hero-panel{order:2;}
 .split{grid-template-columns:1fr;gap:30px;}
 .split-media img{height:300px;}
 .cta-panel{grid-template-columns:1fr;padding:32px;}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .sec{padding:52px 0;}
 .hero{padding:40px 0 48px;}
 .hero h1{font-size:28px;}
 .hero-lead{font-size:15px;}
 .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px;}
 .sec-head h2{font-size:23px;}
 .grid-3,.grid-2{grid-template-columns:1fr;}
 .flow-steps{grid-template-columns:1fr;margin-top:36px;}
 .cta-panel h2{font-size:22px;}
 .footer-grid{grid-template-columns:1fr;}
 .split-media img{height:240px;}
}
@media (max-width:520px){
 .grid-4{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .hero-tags span{font-size:12px;padding:5px 12px;}
 .info-card{padding:22px 20px;}
 .hero-strip-item{padding:14px 16px;}
 .hero-strip-item b{font-size:18px;}
 .cta-panel{padding:24px;}
 .faq-item summary{padding:16px 18px;font-size:15px;}
 .faq-body{padding:0 18px 18px;}
 .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --bg:#f5f8fd;
  --bg-alt:#ffffff;
  --surface:#ffffff;
  --ink:#0f2138;
  --ink-2:#3d5170;
  --muted:#7d8ea8;
  --brand:#2a63d8;
  --brand-deep:#1b4aa8;
  --brand-soft:#e9f0ff;
  --accent:#ef7a3d;
  --accent-soft:#fff1e9;
  --gold:#d9a521;
  --line:#e3eaf5;
  --line-strong:#cfdcf0;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:10px;
  --shadow-1:0 2px 10px rgba(15,33,56,.05);
  --shadow-2:0 12px 30px rgba(15,33,56,.10);
  --shadow-3:0 22px 52px rgba(15,33,56,.16);
  --container:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:118px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;border-radius:var(--radius);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(42,99,216,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,33,56,.09);}
.nav-bar{position:relative;display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,#2a63d8,#5b91ff);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;
  box-shadow:0 6px 16px rgba(42,99,216,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:8px 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.28);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  font-size:13px;font-weight:700;
}
.step-nav{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none;}
.step-nav::-webkit-scrollbar{display:none;}
.step-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;
  color:var(--muted);background:#fff;border:1px solid var(--line);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.step-link .dot{
  display:grid;place-items:center;width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);font-size:11px;font-weight:800;
}
.step-link:hover{border-color:var(--line-strong);color:var(--brand-deep);box-shadow:var(--shadow-1);}
.step-link.is-current{background:var(--brand-soft);border-color:#c9d9f7;color:var(--brand-deep);}
.step-link.is-current .dot{background:var(--brand);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:8px;font-size:15px;font-weight:700;
  border:1px solid transparent;text-align:center;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-block{width:100%;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,99,216,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,99,216,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(239,122,61,.32);}
.btn-accent:hover{background:#dd6a2d;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,122,61,.4);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}

/* ============ 页头横幅 ============ */
.page-hero{position:relative;overflow:hidden;background:#0c2350;color:#fff;padding:46px 0 62px;}
.page-hero .hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.16;filter:saturate(.8);}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,25,54,.97) 0%,rgba(12,42,88,.9) 48%,rgba(24,66,128,.66) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(190,212,246,.82);margin-bottom:20px;}
.crumbs a{color:rgba(214,230,255,.9);}
.crumbs a:hover{color:#fff;}
.crumbs i{font-style:normal;color:rgba(255,255,255,.4);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;
}
.hero-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(239,122,61,.25);
}
.page-hero h1{margin:20px 0 0;font-size:36px;line-height:1.32;color:#fff;text-shadow:0 6px 26px rgba(3,16,38,.4);}
.page-hero .lede{max-width:580px;margin:16px 0 0;font-size:16px;line-height:1.85;color:rgba(226,238,255,.9);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dce8ff;
}
.hero-panel{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius-lg);padding:24px 24px 12px;
  box-shadow:0 20px 44px rgba(4,17,40,.35);
}
.hero-panel h2{color:#fff;font-size:15px;letter-spacing:.02em;margin-bottom:6px;}
.hero-panel .panel-note{font-size:12px;color:rgba(186,208,244,.8);margin-bottom:10px;}
.hero-panel-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.18);font-size:14px;color:rgba(224,236,255,.88);
}
.hero-panel-row:last-child{border-bottom:0;}
.hero-panel-row b{color:#fff;font-size:15px;font-weight:800;white-space:nowrap;}

/* ============ 通用板块 ============ */
.section{padding:70px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin:0 0 36px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:28px;margin:12px 0 10px;}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ 指标看板 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.metric-card b{display:block;font-size:32px;line-height:1.15;color:var(--brand-deep);letter-spacing:-.02em;}
.metric-card b em{font-style:normal;font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.metric-card span{display:block;margin-top:8px;font-size:14px;font-weight:700;color:var(--ink);}
.metric-card p{margin-top:8px;font-size:13px;line-height:1.72;color:var(--muted);}

/* ============ 技巧矩阵 ============ */
.card-grid{display:grid;gap:22px;}
.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.tip-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:16px;font-weight:800;
  margin-bottom:16px;
}
.tip-icon.accent{background:var(--accent-soft);color:#c85a22;}
.tip-card h3{font-size:18px;margin-bottom:10px;}
.tip-card p{font-size:14px;line-height:1.78;color:var(--ink-2);}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);
}
.tag-accent{background:var(--accent-soft);color:#c85a22;}
.tag-line{background:#fff;border:1px solid var(--line-strong);color:var(--ink-2);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ============ 节奏对比 ============ */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-1);
}
.compare-col{padding:30px 28px;}
.compare-col + .compare-col{border-left:1px solid var(--line);}
.compare-col.is-good{background:linear-gradient(180deg,#f1f7ff 0%,#ffffff 72%);}
.compare-col h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.compare-col .col-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.compare-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.72;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0;}
.mark{flex:0 0 20px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:3px;}
.mark.bad{background:#f2f5fa;color:#8d9cb4;}
.mark.good{background:var(--brand);color:#fff;}

/* ============ 阶段里程碑 ============ */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.stage-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.stage-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-deep);color:#fff;
  font-size:14px;font-weight:800;margin-bottom:16px;
}
.stage-card h3{font-size:18px;margin-bottom:8px;}
.stage-card .stage-time{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin-bottom:10px;display:block;}
.stage-card p{font-size:14px;line-height:1.78;color:var(--ink-2);}
.stage-card ul{margin-top:14px;display:grid;gap:8px;}
.stage-card ul li{font-size:13px;color:var(--muted);padding-left:16px;position:relative;line-height:1.7;}
.stage-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--line-strong);
}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-2);
  border:1px solid var(--line);
}
.split-media .media-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(11,31,66,.86);color:#fff;font-size:12px;font-weight:700;
  padding:7px 14px;border-radius:999px;backdrop-filter:blur(6px);
}
.split-copy h2{font-size:28px;margin-bottom:14px;}
.split-copy p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:16px;}
.point-list{display:grid;gap:14px;margin-top:22px;}
.point-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);font-size:14px;line-height:1.75;color:var(--ink-2);
}
.point-list b{flex:0 0 auto;color:var(--brand-deep);font-weight:800;}

/* ============ 速查保障 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.guard-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.guard-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.guard-card h3{font-size:16px;margin:14px 0 8px;}
.guard-card p{font-size:13px;line-height:1.75;color:var(--muted);}
.guard-dot{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:14px;}

/* ============ 快速解答 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.quick-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.quick-card h3{font-size:16px;margin-bottom:8px;}
.quick-card p{font-size:14px;line-height:1.78;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;font-size:16px;font-weight:700;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-plus{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand-deep);display:grid;place-items:center;font-size:15px;font-weight:800;
  transition:transform .25s var(--ease),background-color .25s var(--ease);
}
.faq-item.is-open .faq-plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{display:none;padding:0 24px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);}
.faq-item.is-open .faq-a{display:block;}

/* ============ 转化表单 ============ */
.join-wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center;
  background:linear-gradient(125deg,#0c2350 0%,#123a78 62%,#1c4f9e 100%);
  border-radius:var(--radius-lg);padding:46px;
  box-shadow:0 26px 60px rgba(11,31,66,.3);
}
.join-copy h2{color:#fff;font-size:28px;line-height:1.34;margin-bottom:14px;}
.join-copy p{color:rgba(220,234,255,.88);font-size:15px;line-height:1.85;margin-bottom:20px;}
.join-copy ul{display:grid;gap:11px;}
.join-copy ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(214,230,255,.9);line-height:1.7;
}
.join-copy ul li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;margin-top:8px;
  background:var(--accent);box-shadow:0 0 0 4px rgba(239,122,61,.18);
}
.join-form{background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-3);}
.join-form h3{font-size:18px;margin-bottom:6px;}
.join-form .form-hint{font-size:13px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line-strong);
  background:#fbfdff;font-size:14px;color:var(--ink);font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field input:hover,.field select:hover{background:#fff;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(42,99,216,.15);
}
.form-note{
  display:none;margin-top:14px;padding:11px 14px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:700;
}

/* ============ 页脚 ============ */
.site-footer{background:#0b1f42;color:rgba(206,222,247,.78);padding:56px 0 24px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:14px;max-width:340px;color:rgba(190,210,240,.8);}
.brand-light{color:#fff;}
.brand-light:hover{color:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(206,222,247,.78);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(190,210,240,.8);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(170,193,228,.72);
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero .lede{max-width:100%;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cols-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:30px;}
  .timeline{grid-template-columns:1fr;}
  .join-wrap{grid-template-columns:1fr;padding:34px;gap:28px;}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);padding:14px 20px 18px;margin-left:0;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:11px 14px;font-size:15px;}
  .nav-cta{display:none;}
}
@media (max-width:860px){
  .compare{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line);}
  .quick-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .section{padding:50px 0;}
  .container{padding:0 18px;}
  .page-hero{padding:34px 0 48px;}
  .page-hero h1{font-size:27px;}
  .page-hero .lede{font-size:15px;}
  .section-head h2,.split-copy h2,.join-copy h2{font-size:23px;}
  .metric-grid{grid-template-columns:1fr;}
  .cols-3{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr;}
  .metric-card b{font-size:28px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .join-form{padding:22px;}
  .hero-panel{padding:20px 20px 10px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:24px;}
  .hero-tags span{font-size:12px;padding:5px 12px;}
  .btn{width:100%;}
  .hero-actions{display:grid;gap:10px;}
  .compare-col{padding:22px 18px;}
  .tip-card,.stage-card,.guard-card,.metric-card{padding:20px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
 --bg:#f5f8fd;
 --bg-alt:#ffffff;
 --surface:#ffffff;
 --ink:#0f2138;
 --ink-2:#3d5170;
 --muted:#7d8ea8;
 --brand:#2a63d8;
 --brand-deep:#1b4aa8;
 --brand-soft:#e9f0ff;
 --accent:#ef7a3d;
 --accent-soft:#fff1e9;
 --gold:#d9a521;
 --line:#e3eaf5;
 --line-strong:#cfdcf0;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:10px;
 --shadow-1:0 2px 10px rgba(15,33,56,.05);
 --shadow-2:0 12px 30px rgba(15,33,56,.10);
 --shadow-3:0 22px 52px rgba(15,33,56,.16);
 --container:1180px;
 --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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(42,99,216,.42);outline-offset:2px;}
img{max-width:100%;display:block;border-radius:var(--radius);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(15,33,56,.09);}
.nav-bar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 34px;
 background:linear-gradient(135deg,#2a63d8,#5b91ff);
 color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;
 box-shadow:0 6px 16px rgba(42,99,216,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
 padding:8px 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-links a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.28);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{display:none;margin-left:auto;width:auto;padding:0 14px;height:40px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font-size:13px;font-weight:700;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);}
.step-nav{
 display:flex;align-items:center;gap:8px;
 padding:0 0 12px;overflow-x:auto;scrollbar-width:none;
}
.step-nav::-webkit-scrollbar{display:none;}
.step-link{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 14px 6px 7px;border-radius:999px;font-size:13px;font-weight:600;
 color:var(--ink-2);background:#fff;border:1px solid var(--line);white-space:nowrap;
 transition:all .2s var(--ease);
}
.step-link .dot{
 width:21px;height:21px;border-radius:50%;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-size:11px;font-weight:800;
 transition:all .2s var(--ease);
}
.step-link:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.step-link.is-current{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,99,216,.26);}
.step-link.is-current .dot{background:rgba(255,255,255,.24);color:#fff;}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:8px;font-size:15px;font-weight:700;
 border:1px solid transparent;text-align:center;white-space:nowrap;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-lg{padding:14px 30px;font-size:16px;min-height:48px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(42,99,216,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,99,216,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(239,122,61,.32);}
.btn-accent:hover{background:#dd6a2d;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,122,61,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;
 background:#0c2350;padding:56px 0 96px;color:#fff;
}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.22;filter:saturate(.85);}
.hero-veil{
 position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(8,25,54,.97) 0%,rgba(12,42,88,.92) 48%,rgba(21,62,124,.66) 100%);
}
.hero-slant{
 position:absolute;left:-6%;right:-6%;bottom:-70px;height:140px;
 background:var(--bg);transform:skewY(-3.2deg);transform-origin:right bottom;
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
 font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(239,122,61,.25);}
.hero h1{
 margin:20px 0 0;font-size:40px;line-height:1.3;color:#fff;
 text-shadow:0 6px 26px rgba(3,16,38,.45);
}
.hero-lead{max-width:600px;margin:18px 0 0;font-size:16px;line-height:1.85;color:rgba(232,241,255,.9);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dce8ff;
}
.hero-panel{
 background:rgba(255,255,255,.96);
 border:1px solid rgba(255,255,255,.7);
 border-radius:var(--radius-lg);
 padding:26px;
 box-shadow:0 24px 54px rgba(4,18,42,.36);
 color:var(--ink-2);
}
.hero-panel .panel-tag{
 display:inline-block;padding:4px 11px;border-radius:999px;
 background:var(--accent-soft);color:#c2541f;font-size:12px;font-weight:800;letter-spacing:.04em;
}
.hero-panel h2{margin:12px 0 6px;font-size:21px;line-height:1.4;}
.hero-panel p{font-size:14px;color:var(--muted);margin:0 0 18px;}
.panel-rows{display:grid;gap:10px;margin-bottom:20px;}
.panel-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 14px;border-radius:var(--radius-sm);
 background:var(--bg);border:1px solid var(--line);
 font-size:13.5px;
}
.panel-row span:first-child{color:var(--muted);font-weight:600;}
.panel-row span:last-child{color:var(--ink);font-weight:800;}
.hero-panel .btn{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:74px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{
 background:linear-gradient(140deg,#102a58 0%,#16407e 62%,#1d4f9c 100%);
 color:rgba(232,241,255,.92);
}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--brand);
}
.kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--accent);}
.section-dark .kicker{color:#9fc0ff;}
.section-dark .kicker::before{background:var(--accent);}
.section-head h2{margin:13px 0 0;font-size:29px;line-height:1.38;}
.section-head p{margin:13px 0 0;font-size:15.5px;color:var(--ink-2);}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:rgba(219,232,255,.86);}

/* ============ 指标看板 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:22px 22px 20px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.metric .m-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);margin-bottom:14px;
}
.metric .m-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.metric strong{display:block;font-size:27px;line-height:1.2;color:var(--ink);font-weight:800;letter-spacing:-.02em;}
.metric .m-label{margin-top:6px;font-size:14px;font-weight:700;color:var(--ink-2);}
.metric .m-note{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.65;}

/* ============ 版本矩阵卡片 ============ */
.vcard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.vcard{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d8f3;}
.vcard-media{position:relative;overflow:hidden;}
.vcard-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s var(--ease);}
.vcard:hover .vcard-media img{transform:scale(1.03);}
.vcard-media .vtag{
 position:absolute;left:14px;top:14px;
 padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;
 background:rgba(255,255,255,.94);color:var(--brand-deep);box-shadow:var(--shadow-1);
}
.vcard-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.vcard-body h3{font-size:19px;line-height:1.45;}
.vcard-body p{margin:10px 0 0;font-size:14.5px;line-height:1.75;color:var(--ink-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
 background:var(--brand-soft);color:var(--brand-deep);border:1px solid #d8e5fb;
}
.chip-soft{background:var(--accent-soft);color:#c2541f;border-color:#ffdfcc;}
.vcard-foot{
 margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 font-size:13px;color:var(--muted);font-weight:600;
}
.vcard-foot b{color:var(--ink);font-size:14px;}

/* ============ 对比表 ============ */
.table-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-1);overflow-x:auto;
}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
table.cmp thead th{
 background:var(--brand-soft);color:var(--ink);font-weight:800;font-size:14px;
 text-align:left;padding:16px 18px;border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
table.cmp tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover td{background:#f8fbff;}
table.cmp tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.table-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ============ 时间线 ============ */
.timeline{position:relative;display:grid;gap:18px;padding-left:28px;}
.timeline::before{
 content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;border-radius:2px;
 background:linear-gradient(180deg,#b9d0f4,#e3eaf5);
}
.tl-item{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:26px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(42,99,216,.12);
}
.tl-item h3{font-size:17px;}
.tl-item .tl-meta{margin-top:4px;font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--accent);}
.tl-item p{margin:9px 0 0;font-size:14.5px;line-height:1.75;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:22px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d8f3;}
.news-card .n-meta{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:12px;
}
.news-card .n-meta .n-cat{
 padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-weight:800;
}
.news-card h3{font-size:17px;line-height:1.5;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{margin:10px 0 0;font-size:14px;line-height:1.75;color:var(--ink-2);}
.news-card .n-more{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:800;color:var(--brand);}
.news-empty{
 padding:34px;border-radius:var(--radius-lg);border:1px dashed var(--line-strong);
 background:var(--surface);color:var(--muted);text-align:center;font-size:14.5px;
}
.list-more{display:flex;justify-content:center;margin-top:30px;}

/* ============ 口碑 ============ */
.rank-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rank-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px;box-shadow:var(--shadow-1);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rank-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.rank-stars{color:var(--gold);font-size:14px;letter-spacing:.16em;font-weight:800;}
.rank-card blockquote{margin:12px 0 0;font-size:15px;line-height:1.8;color:var(--ink-2);}
.rank-who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.rank-ava{
 width:38px;height:38px;border-radius:50%;flex:0 0 38px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:14px;
}
.rank-who b{display:block;font-size:14px;color:var(--ink);}
.rank-who span{font-size:12.5px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:#c6d8f3;box-shadow:var(--shadow-2);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.5px;font-weight:800;color:var(--ink);
 transition:background-color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#f8fbff;}
.faq-item summary::after{
 content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);
 font-size:16px;font-weight:800;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ============ 转化表单 ============ */
.join-wrap{
 display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius-lg);padding:38px;backdrop-filter:blur(4px);
}
.join-wrap h2{color:#fff;font-size:27px;line-height:1.4;}
.join-wrap p{margin:12px 0 0;color:rgba(219,232,255,.88);font-size:15px;}
.join-points{display:grid;gap:10px;margin-top:22px;}
.join-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(228,239,255,.95);}
.join-points li::before{
 content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;
 background:var(--accent);box-shadow:0 0 0 4px rgba(239,122,61,.2);
}
.join-form{
 background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-3);
}
.join-form label{display:block;font-size:13.5px;font-weight:800;color:var(--ink);margin-bottom:7px;}
.join-form .field{margin-bottom:16px;}
.join-form input,.join-form select{
 width:100%;padding:12px 14px;border-radius:var(--radius-sm);
 border:1px solid var(--line-strong);background:#fbfdff;color:var(--ink);
 font-family:inherit;font-size:14.5px;min-height:46px;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.join-form input:hover,.join-form select:hover{border-color:#b7cbe9;}
.join-form input:focus,.join-form select:focus{
 border-color:var(--brand);background:#fff;outline:none;
 box-shadow:0 0 0 4px rgba(42,99,216,.14);
}
.join-form .btn{width:100%;}
.join-tip{margin:14px 0 0;font-size:13px;color:var(--muted);line-height:1.7;min-height:20px;}
.join-tip.is-done{color:var(--brand-deep);font-weight:700;}

/* ============ 页脚 ============ */
.site-footer{background:#0b1c33;color:rgba(206,221,243,.78);padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand .brand-light{color:#fff;}
.footer-brand .brand-light:hover{color:#cfe0ff;}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(196,213,237,.74);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:9px;}
.footer-col ul a{font-size:14px;color:rgba(196,213,237,.82);}
.footer-col ul a:hover{color:#fff;}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(196,213,237,.74);margin:0;}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:13px;color:rgba(170,190,219,.72);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .hero h1{font-size:34px;}
 .hero-lead{max-width:none;}
 .hero-panel{max-width:560px;}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid,.rank-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .join-wrap{grid-template-columns:1fr;gap:28px;padding:30px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
 .nav-links{
  display:none;position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 24px 18px;box-shadow:0 18px 34px rgba(15,33,56,.12);
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:12px 14px;font-size:15px;border-radius:10px;}
 .nav-cta{display:none;}
 .nav-bar{gap:12px;}
}
@media (max-width:768px){
 .hero{padding:44px 0 78px;}
 .hero h1{font-size:29px;}
 .hero-lead{font-size:15px;}
 .hero-actions .btn{flex:1 1 100%;}
 .section{padding:54px 0;}
 .section-head h2{font-size:23px;}
 .vcard-grid{grid-template-columns:1fr;}
 .metric-grid{grid-template-columns:1fr;}
 .news-grid,.rank-grid{grid-template-columns:1fr;}
 .join-wrap{padding:24px;}
 .join-form{padding:22px;}
 .timeline{padding-left:24px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .hero h1{font-size:25px;line-height:1.36;}
 .hero-panel{padding:20px;}
 .metric strong{font-size:24px;}
 .section-head h2{font-size:21px;}
 .btn-lg{padding:13px 22px;font-size:15px;}
 .faq-item summary{padding:15px 16px;font-size:14.5px;}
 .faq-answer{padding:0 16px 18px;}
 .news-card,.rank-card,.vcard-body,.tl-item{padding:18px;}
}