/* roulang page: index */
:root{
  --brand-1:#3b47d6;
  --brand-2:#12a3a3;
  --brand-deep:#0e1533;
  --grad:linear-gradient(135deg,#3b47d6 0%,#12a3a3 100%);
  --grad-soft:linear-gradient(135deg,rgba(59,71,214,.10),rgba(18,163,163,.10));
  --gold:#e2a03f;
  --ink:#141a2b;
  --ink-2:#3a4358;
  --muted:#6c7689;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --line:#e4e8f2;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(20,26,43,.07);
  --shadow-hover:0 16px 38px rgba(20,26,43,.14);
  --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:min(var(--max),92%);margin:0 auto}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(20,26,43,.05);
  backdrop-filter:saturate(160%) blur(10px);
}
.nav{height:64px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;color:#fff;flex:none;
  box-shadow:0 6px 14px rgba(59,71,214,.28);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#eef1fb;color:var(--brand-1)}
.nav-links a.active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border:1px solid var(--line);
  border-radius:999px;background:#f7f8fc;transition:border-color .2s,background .2s;
}
.search:focus-within{border-color:var(--brand-1);background:#fff}
.search svg{flex:none;color:var(--muted)}
.search input{
  border:0;background:transparent;outline:none;width:132px;font-size:13.5px;color:var(--ink);
}
.search input::placeholder{color:#9aa3b6}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,71,214,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(59,71,214,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(59,71,214,.24)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--brand-1);border:1px solid #ccd4f2}
.btn-line:hover{background:#f2f5ff;border-color:var(--brand-1);transform:translateY(-2px)}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.mobile-nav{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:10px 0 18px;
}
.mobile-nav.open{display:block}
.mobile-nav a{
  display:block;padding:12px 6px;border-radius:9px;font-size:15px;color:var(--ink-2);
}
.mobile-nav a.active{color:var(--brand-1);font-weight:700;background:var(--grad-soft)}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:url("/assets/images/79212cfbd824dbe4.jpg") center/cover no-repeat;
  padding:70px 0 66px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,14,36,.94) 0%,rgba(20,32,82,.80) 46%,rgba(11,110,110,.60) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.16fr .84fr;gap:44px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.02em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#e9f0ff;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#5ee0c8;box-shadow:0 0 0 4px rgba(94,224,200,.22)}
.hero h1{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.32;font-weight:800;letter-spacing:.01em;
  margin:18px 0 14px;
  text-shadow:0 4px 22px rgba(4,8,24,.32);
}
.hero-sub{
  font-size:15px;color:#c9d6f2;font-weight:600;margin-bottom:14px;letter-spacing:.01em;
}
.hero-lead{
  font-size:15px;line-height:1.85;color:#d7e0f6;max-width:640px;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#e7eefc;
  transition:background .2s ease,transform .2s ease;
}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.nearby-panel{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.28);
  border-radius:18px;padding:22px;
  backdrop-filter:blur(12px);
  box-shadow:0 26px 56px rgba(4,10,30,.30);
}
.nearby-head{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:#fff}
.nearby-head .dot{width:9px;height:9px;border-radius:50%;background:#5ee0c8;box-shadow:0 0 0 5px rgba(94,224,200,.20)}
.nearby-note{font-size:12.5px;color:#bccbee;margin:8px 0 16px;line-height:1.7}
.area-list{display:grid;gap:8px}
.area-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 13px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:#e8eefc;transition:background .2s,transform .2s,border-color .2s;
}
.area-list a:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.36);transform:translateX(3px)}
.area-list em{font-style:normal;font-size:12px;color:#9fb4e0}
.nearby-panel .btn{margin-top:16px}

/* ============ 数据条 ============ */
.stat-band{
  background:var(--surface);border-bottom:1px solid var(--line);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:26px 22px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:29px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:66px 0}
.section--white{background:var(--surface)}
.section--tint{background:linear-gradient(180deg,#f7f9ff 0%,#f1f4fc 100%)}
.section--ink{background:var(--brand-deep);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:10px;
  padding-left:12px;position:relative;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:var(--grad);
}
.section--ink .eyebrow{color:#7fd8d0}
.section-head h2{
  font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4;letter-spacing:.01em;
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:14.5px;line-height:1.85}
.section--ink .section-head p{color:#b8c3dd}

/* ============ 卡片 ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9d3f2}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.card h3{font-size:16.5px;font-weight:700;line-height:1.5}
.card p{font-size:13.8px;color:var(--muted);line-height:1.78}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:#e9edf7}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.05)}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--grad-soft);color:var(--brand-1);border:1px solid #dbe2fa;
}
.badge-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:24px;padding:0 9px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:700;
}
.icon-badge{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-1);flex:none;
}
.card-foot{margin-top:auto;padding-top:6px;font-size:13px;font-weight:600;color:var(--brand-1)}

/* ============ 区域卡 ============ */
.area-card{position:relative}
.area-card .card-body{padding:22px}
.area-card h3{display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ============ 本地化能力 ============ */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
.split-figure{
  border-radius:18px;overflow:hidden;box-shadow:0 22px 46px rgba(20,26,43,.16);
  border:1px solid var(--line);
}
.split-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.feature-list{display:grid;gap:14px}
.feature-item{
  display:flex;gap:14px;padding:16px 18px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.feature-item:hover{border-color:#c9d3f2;transform:translateY(-2px);box-shadow:var(--shadow)}
.feature-item h4{font-size:15px;font-weight:700;margin-bottom:4px}
.feature-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ============ 演示台 ============ */
.demo-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:stretch}
.steps{display:grid;gap:14px}
.step{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
}
.step-idx{
  width:30px;height:30px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:13.5px;font-weight:700;
}
.step h4{font-size:15px;font-weight:700;margin-bottom:3px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.75}
.preview{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
}
.preview h4{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.preview-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.8px}
.preview-row:last-of-type{border-bottom:0}
.preview-row span{color:var(--muted)}
.preview-row strong{font-weight:700;color:var(--ink)}
.preview-note{font-size:12.5px;color:var(--muted);line-height:1.7;background:#f6f8fd;border-radius:10px;padding:12px 14px}

/* ============ 参数速览 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.spec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9d3f2}
.spec-card h4{font-size:15.5px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.spec-kv{display:grid;gap:9px}
.spec-kv div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13.5px}
.spec-kv span{color:var(--muted)}
.spec-kv strong{font-weight:700}

/* ============ 案例 ============ */
.case-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px;transition:transform .2s,background .2s}
.case-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.10)}
.case-card h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px}
.case-card p{font-size:13.6px;color:#b8c3dd;line-height:1.8}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.case-meta span{font-size:12px;color:#9fb4e0;border:1px solid rgba(255,255,255,.18);padding:3px 10px;border-radius:999px}

/* ============ 评价 ============ */
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9d3f2}
.quote p{font-size:13.8px;line-height:1.82;color:var(--ink-2)}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{
  width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
}
.quote-who b{font-size:13.5px;font-weight:700;display:block;line-height:1.4}
.quote-who em{font-style:normal;font-size:12px;color:var(--muted)}

/* ============ 保障 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;
}
.trust-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.trust-item h4{font-size:15px;font-weight:700;margin:14px 0 6px}
.trust-item p{font-size:13.4px;color:var(--muted);line-height:1.75}

/* ============ 常见异议 ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:4px 20px;box-shadow:var(--shadow);transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#c9d3f2;box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 30px 16px 0;position:relative;
  font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:4px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item p{font-size:13.8px;color:var(--ink-2);line-height:1.85;padding:0 0 18px}

/* ============ 资讯 ============ */
.posts-wrap{display:grid;grid-template-columns:1.5fr .9fr;gap:32px;align-items:start}
.post-list{display:grid;gap:14px}
.post-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9d3f2}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px;flex-wrap:wrap}
.post-item h3{font-size:16px;font-weight:700;line-height:1.55;margin-bottom:6px}
.post-item p{font-size:13.6px;color:var(--muted);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.aside-card h3{font-size:15.5px;font-weight:700;margin-bottom:14px;padding-left:11px;position:relative}
.aside-card h3::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:15px;border-radius:2px;background:var(--grad)}
.aside-item{padding:11px 0;border-bottom:1px dashed var(--line)}
.aside-item:last-child{border-bottom:0}
.aside-item a{font-size:13.8px;font-weight:600;color:var(--ink-2);line-height:1.65;transition:color .2s}
.aside-item a:hover{color:var(--brand-1)}
.aside-item time{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.empty{
  background:var(--surface);border:1px dashed #cdd5ea;border-radius:12px;
  padding:30px;text-align:center;font-size:13.5px;color:var(--muted);
}

/* ============ 分类入口 ============ */
.channel-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.channel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9d3f2}
.channel-card h3{font-size:17px;font-weight:800;margin:8px 0 8px}
.channel-card p{font-size:13.6px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.channel-card .btn{height:38px;padding:0 16px;font-size:13.5px}

/* ============ CTA 表单 ============ */
.cta-wrap{
  display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center;
}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.42}
.cta-copy p{margin-top:14px;color:#c3cde6;font-size:14.5px;line-height:1.85;max-width:520px}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{display:flex;align-items:flex-start;gap:9px;font-size:13.8px;color:#d4ddf1}
.cta-points svg{flex:none;margin-top:4px;color:#5ee0c8}
.form-card{
  background:var(--surface);border-radius:18px;padding:26px;box-shadow:0 26px 60px rgba(3,8,24,.34);
}
.form-card h3{font-size:17px;font-weight:800;margin-bottom:4px}
.form-card .form-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:9px;background:#f8f9fd;
  padding:10px 12px;font-size:13.8px;outline:none;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:78px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(59,71,214,.12);
}
.form-card .btn{margin-top:16px;height:44px;width:100%}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.7}
.form-tip.ok{color:#127a6f;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:#0d1329;color:#a9b4cd;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:38px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:13.4px;line-height:1.85;color:#8f9bb8;max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:13.4px;color:#98a4c1;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:#5ee0c8;transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:18px 0;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:#7e8aa7;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{gap:0}
  .search{display:none}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero{padding:54px 0 52px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .demo-wrap{grid-template-columns:1fr}
  .posts-wrap{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-tools .btn-primary{display:none}
  .nav-toggle{display:flex}
  .section{padding:48px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .spec-grid,.trust-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero h1{font-size:26px}
  .hero-lead{font-size:14px}
  .nearby-panel{padding:18px}
}
@media (max-width:520px){
  .container{width:94%}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:18px 12px}
  .stat-item:last-child{border-bottom:0}
  .btn{height:42px;padding:0 16px;font-size:14px}
  .hero{padding:42px 0 40px}
  .card-body{padding:16px}
  .post-item{padding:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
 --brand-1:#3b47d6;
 --brand-2:#12a3a3;
 --brand-deep:#0e1533;
 --grad:linear-gradient(135deg,#3b47d6 0%,#12a3a3 100%);
 --grad-soft:linear-gradient(135deg,rgba(59,71,214,.10),rgba(18,163,163,.10));
 --gold:#e2a03f;
 --ink:#141a2b;
 --ink-2:#3a4358;
 --muted:#6c7689;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --line:#e4e8f2;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 8px 24px rgba(20,26,43,.07);
 --shadow-hover:0 16px 38px rgba(20,26,43,.14);
 --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:min(var(--max),92%);margin:0 auto}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.96);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(20,26,43,.05);
 backdrop-filter:saturate(160%) blur(10px);
}
.nav{height:64px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
 width:34px;height:34px;border-radius:10px;background:var(--grad);
 display:grid;place-items:center;color:#fff;flex:none;
 box-shadow:0 6px 14px rgba(59,71,214,.28);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
 display:inline-flex;align-items:center;height:40px;padding:0 14px;
 border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;
 transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#eef1fb;color:var(--brand-1)}
.nav-links a.active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.search{
 display:flex;align-items:center;gap:8px;
 height:38px;padding:0 12px;border:1px solid var(--line);
 border-radius:999px;background:#f7f8fc;transition:border-color .2s,background .2s;
}
.search:focus-within{border-color:var(--brand-1);background:#fff}
.search svg{flex:none;color:var(--muted)}
.search input{
 border:0;background:transparent;outline:none;width:132px;font-size:13.5px;color:var(--ink);
}
.search input::placeholder{color:#9aa3b6}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,71,214,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(59,71,214,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(59,71,214,.24)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--brand-1);border:1px solid #ccd4f2}
.btn-line:hover{background:#f2f5ff;border-color:var(--brand-1);transform:translateY(-2px)}
.btn-block{width:100%}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.mobile-nav{
 display:none;border-top:1px solid var(--line);background:#fff;
 padding:10px 0 18px;
}
.mobile-nav.open{display:block}
.mobile-nav a{
 display:block;padding:12px 6px;border-radius:9px;font-size:15px;color:var(--ink-2);
}
.mobile-nav a.active{color:var(--brand-1);font-weight:700;background:var(--grad-soft)}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ============ Hero：路线图预告 ============ */
.hero{
 position:relative;color:#fff;overflow:hidden;
 background:url("/assets/images/79212cfbd824dbe4.jpg") center/cover no-repeat;
 padding:60px 0 58px;
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(9,14,36,.95) 0%,rgba(20,32,82,.84) 48%,rgba(11,110,110,.62) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:start}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.02em;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
 color:#e9f0ff;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#5ee0c8;box-shadow:0 0 0 4px rgba(94,224,200,.22)}
.hero h1{
 font-size:clamp(27px,3.2vw,40px);
 line-height:1.34;font-weight:800;letter-spacing:.01em;
 margin:18px 0 14px;
 text-shadow:0 4px 22px rgba(4,8,24,.32);
}
.hero-sub{font-size:15px;color:#c9d6f2;font-weight:600;margin-bottom:12px}
.hero-lead{font-size:15px;line-height:1.85;color:#d7e0f6;max-width:600px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{
 display:inline-flex;align-items:center;gap:6px;
 padding:7px 14px;border-radius:999px;font-size:13px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#e7eefc;
 transition:background .2s ease,transform .2s ease;
}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-panel{
 background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius);
 padding:20px 20px 18px;
 backdrop-filter:blur(8px);
 box-shadow:0 18px 40px rgba(4,8,24,.28);
}
.panel-head{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:14px;color:#eaf1ff}
.panel-head .panel-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:none}
.panel-tag{
 margin-left:auto;font-size:12px;padding:2px 10px;border-radius:999px;
 background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);color:#dbe6ff;
}
.roadmap{display:grid;gap:10px}
.roadmap li{
 display:flex;gap:12px;align-items:flex-start;
 padding:10px 12px;border-radius:10px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.13);
 transition:background .2s,border-color .2s,transform .2s;
}
.roadmap li:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.34);transform:translateX(3px)}
.node{
 flex:none;width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;font-size:12px;font-weight:700;
 background:rgba(255,255,255,.18);color:#fff;
}
.roadmap b{display:block;font-size:13.5px;font-weight:700;color:#f2f6ff}
.roadmap small{display:block;font-size:12.5px;color:#a9bce0;line-height:1.6}
.subscribe{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.24)}
.subscribe label{display:block;font-size:13px;color:#c7d5f2;margin-bottom:8px}
.sub-row{display:flex;gap:8px}
.sub-row input{
 flex:1;height:40px;border-radius:9px;border:1px solid rgba(255,255,255,.3);
 background:rgba(255,255,255,.12);color:#fff;padding:0 12px;outline:none;font-size:14px;
 transition:border-color .2s,background .2s;
}
.sub-row input::placeholder{color:#a9bce0}
.sub-row input:focus{border-color:#7fe6d6;background:rgba(255,255,255,.2)}
.sub-tip{font-size:12.5px;color:#9fb4e0;margin-top:9px;line-height:1.6}

/* ============ 通用板块 ============ */
.section{padding:62px 0}
.section--white{background:var(--surface)}
.section--tint{background:linear-gradient(180deg,#f7f9fe 0%,#eef2fb 100%)}
.section-head{margin-bottom:30px;max-width:760px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);
 text-transform:uppercase;margin-bottom:10px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:clamp(22px,2.4vw,29px);font-weight:800;letter-spacing:.01em;line-height:1.4}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}

/* 数据条 */
.stat-bar{
 display:grid;grid-template-columns:repeat(4,1fr);
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
}
.stat-item{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:27px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}

/* 卡片网格 */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:22px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cdd6f4}
.card-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--grad-soft);color:var(--brand-1);margin-bottom:14px;
}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
 font-size:12.5px;padding:3px 10px;border-radius:999px;
 background:#eef1fb;color:var(--brand-1);border:1px solid #dfe4f8;font-weight:600;
}
.tag--teal{background:#e6f7f5;color:#0c8078;border-color:#c9ece8}
.tag--gold{background:#fdf3e3;color:#a5721f;border-color:#f3e2c4}
.badge{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
 background:var(--grad);color:#fff;box-shadow:0 6px 14px rgba(59,71,214,.22);
}

/* 路线时间线 */
.timeline{display:grid;gap:0;position:relative;margin-top:8px}
.timeline::before{
 content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
 background:linear-gradient(180deg,rgba(59,71,214,.35),rgba(18,163,163,.35));
}
.tl-item{display:flex;gap:18px;padding:14px 0;position:relative}
.tl-num{
 flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:#fff;border:1px solid #d8dff7;color:var(--brand-1);font-weight:800;font-size:14px;
 box-shadow:0 6px 14px rgba(59,71,214,.12);z-index:1;
}
.tl-body{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 20px;box-shadow:var(--shadow);flex:1;
 transition:transform .2s ease,box-shadow .2s ease;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tl-body h3{font-size:16px;font-weight:700;margin-bottom:6px}
.tl-body p{font-size:14.5px;color:var(--ink-2)}

/* 图文块 */
.feature{
 display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;
}
.feature-media{
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow);position:relative;
}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-body h2{font-size:clamp(21px,2.2vw,27px);font-weight:800;line-height:1.42;margin-bottom:12px}
.feature-body p{font-size:14.8px;color:var(--ink-2);line-height:1.85;margin-bottom:12px}
.check-list{display:grid;gap:10px;margin-top:6px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.check-list li svg{flex:none;margin-top:5px;color:var(--brand-2)}

/* 对照表 */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spec{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow);transition:transform .22s,border-color .22s,box-shadow .22s;
}
.spec:hover{transform:translateY(-4px);border-color:#cdd6f4;box-shadow:var(--shadow-hover)}
.spec-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.spec-top h3{font-size:16.5px;font-weight:700}
.spec-num{font-size:22px;font-weight:800;color:var(--brand-1)}
.spec-num small{font-size:12px;color:var(--muted);font-weight:600;margin-left:2px}
.spec dl{display:grid;gap:7px;margin:0}
.spec dl div{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding-bottom:7px;border-bottom:1px dashed var(--line)}
.spec dl div:last-child{border-bottom:0;padding-bottom:0}
.spec dt{color:var(--muted)}
.spec dd{margin:0;color:var(--ink);font-weight:600}

/* 误区对照 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{border-radius:var(--radius);padding:22px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow)}
.compare-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.compare-card ul{display:grid;gap:11px}
.compare-card li{font-size:14.4px;color:var(--ink-2);padding-left:22px;position:relative;line-height:1.75}
.compare-card li::before{position:absolute;left:0;top:0;font-weight:800}
.compare-wrong{background:linear-gradient(180deg,#fff8f7,#ffffff);border-color:#f6dedb}
.compare-wrong h3{color:#b4483c}
.compare-wrong li::before{content:"×";color:#cf6a5c}
.compare-right{background:linear-gradient(180deg,#f3fbfa,#ffffff);border-color:#cdece8}
.compare-right h3{color:#0c8078}
.compare-right li::before{content:"✓";color:#12a3a3}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:0 18px;box-shadow:0 4px 14px rgba(20,26,43,.05);
 transition:border-color .2s,box-shadow .2s;
}
.faq details[open]{border-color:#c9d3f5;box-shadow:var(--shadow)}
.faq summary{
 list-style:none;cursor:pointer;padding:16px 0;font-size:15.5px;font-weight:700;
 display:flex;align-items:center;gap:10px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";margin-left:auto;font-size:19px;font-weight:700;color:var(--brand-1);
 transition:transform .2s;
}
.faq details[open] summary::after{content:"−"}
.faq .faq-body{padding:0 0 18px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;
 transition:transform .22s,box-shadow .22s,border-color .22s;height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cdd6f4}
.post-card a{display:flex;flex-direction:column;height:100%;padding:22px}
.post-card h3{font-size:16px;font-weight:700;line-height:1.55;margin-bottom:8px}
.post-card p{font-size:14px;color:var(--muted);line-height:1.78;margin-bottom:14px}
.post-meta{
 margin-top:auto;display:flex;align-items:center;gap:10px;
 font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;
}
.post-meta .pm-tag{color:var(--brand-2);font-weight:700}
.empty-tip{
 background:var(--surface);border:1px dashed #cdd6f4;border-radius:var(--radius);
 padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* CTA */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius);
 padding:44px 40px;color:#fff;
 background:url("/assets/images/c2ae380a4a0867a7.webp") center/cover no-repeat;
 box-shadow:var(--shadow);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(120deg,rgba(14,21,51,.94),rgba(59,71,214,.82) 52%,rgba(18,163,163,.72));
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:30px;justify-content:space-between;flex-wrap:wrap}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;line-height:1.4}
.cta-band p{margin-top:8px;color:#d5e0f7;font-size:14.6px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#0e1533;color:#c3cde6;margin-top:0}
.footer-grid{
 display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
 padding:52px 0 34px;border-top:1px solid rgba(255,255,255,.1);
}
.site-footer .logo{color:#fff;font-size:17px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:#9fadd0;max-width:340px}
.footer-col h4{font-size:14.5px;color:#fff;margin:0 0 14px;font-weight:700;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:#9fadd0;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#8494b8;
}

/* 响应式 */
@media (max-width:1024px){
 .nav-links{gap:0}
 .nav-links a{padding:0 10px;font-size:14px}
 .search{display:none}
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .spec-grid{grid-template-columns:repeat(2,1fr)}
 .feature{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .nav-links{display:none}
 .nav-tools .btn-primary{display:none}
 .nav-toggle{display:inline-flex;margin-left:auto}
 .nav{gap:12px}
 .hero{padding:44px 0 42px}
 .section{padding:46px 0}
 .stat-bar{grid-template-columns:repeat(2,1fr)}
 .stat-item:nth-child(2){border-right:0}
 .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .spec-grid{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:24px;padding:40px 0 28px}
 .cta-band{padding:32px 24px}
 .tl-item{gap:12px}
 .timeline::before{left:15px}
 .tl-num{width:32px;height:32px;border-radius:9px;font-size:12.5px}
}
@media (max-width:520px){
 .hero h1{font-size:25px}
 .hero-lead{font-size:14.2px}
 .sub-row{flex-direction:column}
 .sub-row .btn{width:100%}
 .footer-bottom{flex-direction:column;gap:6px}
 .cta-actions .btn{width:100%}
 .card,.spec{padding:18px}
}

/* roulang page: article */
:root{
 --brand-1:#3b47d6;
 --brand-2:#12a3a3;
 --brand-deep:#0e1533;
 --grad:linear-gradient(135deg,#3b47d6 0%,#12a3a3 100%);
 --grad-soft:linear-gradient(135deg,rgba(59,71,214,.10),rgba(18,163,163,.10));
 --gold:#e2a03f;
 --ink:#141a2b;
 --ink-2:#3a4358;
 --muted:#6c7689;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --line:#e4e8f2;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 8px 24px rgba(20,26,43,.07);
 --shadow-hover:0 16px 38px rgba(20,26,43,.14);
 --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{display:block}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;
}
.container{width:min(var(--max),92%);margin:0 auto}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.96);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(20,26,43,.05);
 backdrop-filter:saturate(160%) blur(10px);
}
.nav{height:64px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
 width:34px;height:34px;border-radius:10px;background:var(--grad);
 display:grid;place-items:center;color:#fff;flex:none;
 box-shadow:0 6px 14px rgba(59,71,214,.28);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
 display:inline-flex;align-items:center;height:40px;padding:0 14px;
 border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;
 transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#eef1fb;color:var(--brand-1)}
.nav-links a.active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.search{
 display:flex;align-items:center;gap:8px;
 height:38px;padding:0 12px;border:1px solid var(--line);
 border-radius:999px;background:#f7f8fc;transition:border-color .2s,background .2s;
}
.search:focus-within{border-color:var(--brand-1);background:#fff}
.search svg{flex:none;color:var(--muted)}
.search input{border:0;background:transparent;outline:none;width:132px;font-size:13.5px;color:var(--ink)}
.search input::placeholder{color:#9aa3b6}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,71,214,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(59,71,214,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(59,71,214,.24)}
.btn-line{background:#fff;color:var(--brand-1);border:1px solid #ccd4f2}
.btn-line:hover{background:#f2f5ff;border-color:var(--brand-1);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 6px;border-radius:9px;font-size:15px;color:var(--ink-2)}
.mobile-nav a:hover{background:#eef1fb;color:var(--brand-1)}
.mobile-nav .btn{margin-top:10px;width:100%}
/* ============ 文章头部 ============ */
.article-hero{
 position:relative;color:#fff;overflow:hidden;
 background:url("/assets/images/79212cfbd824dbe4.jpg") center/cover no-repeat;
 padding:54px 0 50px;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(9,14,36,.95) 0%,rgba(20,32,82,.84) 48%,rgba(11,110,110,.64) 100%);
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a9b8dd;margin-bottom:18px}
.crumbs a{color:#cfdcf7}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{opacity:.55}
.crumbs .cur{color:#8ff0dd}
.kicker{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 13px;border-radius:999px;font-size:12.5px;letter-spacing:.04em;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);color:#e6eeff;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:#5ee0c8;box-shadow:0 0 0 4px rgba(94,224,200,.2)}
.article-hero h1{
 font-size:clamp(24px,3vw,37px);line-height:1.38;font-weight:800;
 margin:16px 0 18px;max-width:920px;letter-spacing:.01em;
 text-shadow:0 4px 22px rgba(4,8,24,.3);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:#c3d2ee}
.badge-soft{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:rgba(94,224,200,.16);border:1px solid rgba(94,224,200,.42);color:#8ff0dd;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
/* ============ 板块 ============ */
.section{padding:62px 0}
.section--white{background:var(--surface)}
.section--tint{background:var(--bg)}
.section--dark{background:var(--brand-deep);color:#dfe6f7}
.section-head{max-width:730px;margin-bottom:30px}
.section-head .eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);
 text-transform:uppercase;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:clamp(21px,2.4vw,28px);line-height:1.42;margin:0 0 10px;font-weight:800;letter-spacing:.01em}
.section-head p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.85}
/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start}
.article-main{min-width:0}
.prose{font-size:15.5px;line-height:1.92;color:var(--ink-2)}
.prose > *:first-child{margin-top:0}
.prose h2{
 position:relative;font-size:21px;line-height:1.46;color:var(--ink);font-weight:800;
 margin:34px 0 14px;padding-left:14px;
}
.prose h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:3px;background:var(--grad)}
.prose h3{font-size:17px;color:var(--ink);margin:26px 0 10px;font-weight:700}
.prose h4{font-size:15.5px;color:var(--ink);margin:20px 0 8px;font-weight:700}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin:8px 0}
.prose strong{color:var(--brand-1);font-weight:700}
.prose blockquote{
 margin:22px 0;padding:15px 20px;border-left:4px solid var(--brand-2);
 background:var(--grad-soft);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow)}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:#f7f8fc;font-weight:700;color:var(--ink)}
.prose tr:last-child td{border-bottom:0}
.prose a{color:var(--brand-1);border-bottom:1px solid rgba(59,71,214,.32)}
.prose a:hover{border-bottom-color:var(--brand-1)}
.empty-state{
 text-align:center;padding:44px 24px;background:#f7f8fc;
 border:1px dashed #ccd4ea;border-radius:var(--radius);
}
.empty-state h2{font-size:20px;margin:0 0 10px;padding:0;color:var(--ink);font-weight:800}
.empty-state h2::before{display:none}
.empty-state p{color:var(--muted);font-size:14.5px;max-width:520px;margin:0 auto 20px}
/* ============ 侧栏 ============ */
.article-side{display:grid;gap:18px}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 20px 16px;box-shadow:var(--shadow);
}
.side-card h3{
 display:flex;align-items:center;gap:9px;
 font-size:15.5px;font-weight:800;margin:0 0 12px;color:var(--ink);
}
.side-card h3 .tick{width:8px;height:8px;border-radius:3px;background:var(--grad);flex:none}
.side-list{list-style:none;margin:0;padding:0;font-size:13.8px;color:var(--ink-2)}
.side-list li{
 display:flex;align-items:baseline;justify-content:space-between;gap:12px;
 padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:2px}
.side-list b{color:var(--ink);font-weight:700;white-space:nowrap}
.side-note{
 background:var(--grad);color:#fff;border-radius:var(--radius);padding:22px;
 box-shadow:0 14px 30px rgba(59,71,214,.22);
}
.side-note h3{margin:0 0 8px;font-size:16px;font-weight:800}
.side-note p{margin:0 0 14px;font-size:13.6px;color:#e3e9ff;line-height:1.8}
.side-note .btn{background:#fff;color:var(--brand-1);height:38px;font-size:14px;width:100%}
.side-note .btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(9,14,36,.28)}
/* ============ 规格卡 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spec-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9d3f5}
.spec-card .spec-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--grad-soft);color:var(--brand-1);margin-bottom:14px;
}
.spec-card h3{font-size:16.5px;margin:0 0 8px;font-weight:800;color:var(--ink)}
.spec-card p{margin:0 0 14px;font-size:14px;color:var(--muted);line-height:1.8}
.spec-meta{display:flex;flex-wrap:wrap;gap:8px}
.tag{
 display:inline-flex;align-items:center;gap:5px;
 padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:#f1f4fd;color:#43508a;border:1px solid #e2e7f8;
}
.tag-accent{background:rgba(18,163,163,.1);color:#0f8282;border-color:rgba(18,163,163,.24)}
/* ============ 区域卡 ============ */
.venue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.venue-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.venue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9d3f5}
.venue-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.venue-body{padding:18px 20px 20px}
.venue-body h3{font-size:16.5px;margin:0 0 8px;font-weight:800;color:var(--ink)}
.venue-body p{margin:0 0 14px;font-size:13.8px;color:var(--muted);line-height:1.8}
/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:24px;font-weight:800;line-height:1;
 background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
 margin-bottom:12px;
}
.step h3{font-size:16px;margin:0 0 8px;font-weight:800;color:var(--ink)}
.step p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.85}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-sm);padding:0 20px;box-shadow:var(--shadow);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#c9d3f5}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 list-style:none;cursor:pointer;padding:16px 0;
 font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
 position:relative;flex:none;width:22px;height:22px;border-radius:7px;
 background:var(--grad-soft);transition:transform .22s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
 content:"";position:absolute;left:50%;top:50%;background:var(--brand-1);border-radius:2px;
 transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:11px;height:2px}
.faq-item summary .plus::after{width:2px;height:11px;transition:opacity .22s ease}
.faq-item[open] summary .plus::after{opacity:0}
.faq-item p{margin:0 0 18px;font-size:14.3px;line-height:1.88;color:var(--ink-2)}
/* ============ 延伸阅读 ============ */
.more-band{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 28px;box-shadow:var(--shadow);
}
.more-band h3{margin:0 0 6px;font-size:18px;font-weight:800;color:var(--ink)}
.more-band p{margin:0;font-size:14px;color:var(--muted);max-width:660px;line-height:1.85}
/* ============ CTA ============ */
.cta-band{
 background:var(--grad);border-radius:18px;padding:34px 32px;color:#fff;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
 box-shadow:0 18px 40px rgba(59,71,214,.22);
}
.cta-band h2{margin:0 0 8px;font-size:clamp(20px,2.2vw,25px);font-weight:800;line-height:1.42}
.cta-band p{margin:0;font-size:14.2px;color:#e5ebff;max-width:620px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ============ 页脚 ============ */
.site-footer{background:#0d1428;color:#b8c4de;padding:56px 0 0}
.footer-grid{
 display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
 padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);
}
.site-footer .logo{color:#fff;margin-bottom:14px}
.site-footer .logo-mark{box-shadow:0 6px 16px rgba(59,71,214,.4)}
.footer-brand p{margin:0;font-size:13.8px;line-height:1.88;color:#9aa8c6;max-width:370px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 12px;font-weight:700;letter-spacing:.02em}
.footer-col a{display:block;font-size:13.8px;color:#a3b0cc;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding:18px 0;font-size:13px;color:#8895b4;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .nav-links{display:none}
 .nav-toggle{display:inline-flex}
 .article-layout{grid-template-columns:1fr}
 .article-side{grid-template-columns:repeat(2,1fr);display:grid}
 .spec-grid,.venue-grid,.steps{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .search{display:none}
 .section{padding:46px 0}
 .article-hero{padding:40px 0 36px}
 .spec-grid,.venue-grid,.steps,.article-side,.footer-grid{grid-template-columns:1fr}
 .more-band{padding:22px}
 .cta-band{padding:26px 22px}
 .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
 .nav{height:58px;gap:12px}
 .logo{font-size:15.5px}
 .logo-mark{width:30px;height:30px;border-radius:9px}
 .btn{height:38px;padding:0 16px;font-size:14px}
 .article-hero h1{font-size:22px;line-height:1.44}
 .meta-row{font-size:12.5px}
 .prose{font-size:15px;line-height:1.88}
 .prose h2{font-size:19px}
 .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-1:#3b47d6;
  --brand-2:#12a3a3;
  --brand-deep:#0e1533;
  --grad:linear-gradient(135deg,#3b47d6 0%,#12a3a3 100%);
  --grad-soft:linear-gradient(135deg,rgba(59,71,214,.10),rgba(18,163,163,.10));
  --gold:#e2a03f;
  --ink:#141a2b;
  --ink-2:#3a4358;
  --muted:#6c7689;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --line:#e4e8f2;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(20,26,43,.07);
  --shadow-hover:0 16px 38px rgba(20,26,43,.14);
  --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(59,71,214,.45);outline-offset:2px;border-radius:6px}
.container{width:min(var(--max),92%);margin:0 auto}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(20,26,43,.05);
  backdrop-filter:saturate(160%) blur(10px);
}
.nav{height:64px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;color:#fff;flex:none;
  box-shadow:0 6px 14px rgba(59,71,214,.28);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#eef1fb;color:var(--brand-1)}
.nav-links a.active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border:1px solid var(--line);
  border-radius:999px;background:#f7f8fc;transition:border-color .2s,background .2s;
}
.search:focus-within{border-color:var(--brand-1);background:#fff}
.search svg{flex:none;color:var(--muted)}
.search input{border:0;background:transparent;outline:none;width:132px;font-size:13.5px;color:var(--ink)}
.search input::placeholder{color:#9aa3b6}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,71,214,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(59,71,214,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(59,71,214,.24)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--brand-1);border:1px solid #ccd4f2}
.btn-line:hover{background:#f2f5ff;border-color:var(--brand-1);transform:translateY(-2px)}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 6px;border-radius:9px;font-size:15px;color:var(--ink-2)}
.mobile-nav a.active{color:var(--brand-1);font-weight:700;background:var(--grad-soft)}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:url("/assets/images/c2ae380a4a0867a7.webp") center/cover no-repeat;
  padding:44px 0 62px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(9,14,36,.95) 0%,rgba(22,32,86,.82) 48%,rgba(12,112,112,.62) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a9bade;margin-bottom:26px}
.crumb a{color:#d6e0f6;transition:color .2s}
.crumb a:hover{color:#fff}
.crumb span{color:#8fa3cd}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.02em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#e9f0ff;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#5ee0c8;box-shadow:0 0 0 4px rgba(94,224,200,.22)}
.page-hero h1{
  font-size:clamp(27px,3.2vw,40px);
  line-height:1.34;font-weight:800;letter-spacing:.01em;
  margin:18px 0 14px;text-shadow:0 4px 22px rgba(4,8,24,.32);
}
.hero-sub{font-size:15px;color:#cfdcf4;font-weight:600;margin-bottom:14px}
.hero-lead{font-size:15px;line-height:1.85;color:#d7e0f6;max-width:620px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#e7eefc;
  transition:background .2s ease,transform .2s ease;
}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* 右侧速查面板 */
.hero-panel{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.6);
  border-radius:16px;
  box-shadow:0 24px 50px rgba(6,12,36,.34);
  overflow:hidden;
  color:var(--ink);
}
.panel-head{
  display:flex;align-items:center;gap:9px;
  padding:14px 18px;
  background:var(--grad);color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.02em;
}
.panel-head .panel-dot{width:8px;height:8px;border-radius:50%;background:#8ef0dc;box-shadow:0 0 0 4px rgba(142,240,220,.24)}
.panel-body{padding:8px 18px 6px}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed #e8ecf6;font-size:13.5px;
}
.panel-row:last-child{border-bottom:0}
.panel-key{
  flex:none;font-weight:700;color:var(--brand-1);
  background:rgba(59,71,214,.08);border-radius:7px;padding:2px 9px;font-size:12.5px;
}
.panel-val{color:var(--ink-2);text-align:right;line-height:1.5}
.panel-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 18px;background:#f6f8fd;border-top:1px solid #eaeef8;
  font-size:12.5px;color:var(--muted);
}
.panel-link{color:var(--brand-1);font-weight:700}
.panel-link:hover{text-decoration:underline}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section--white{background:var(--surface)}
.section--tint{background:linear-gradient(180deg,#f8faff 0%,#f1f4fb 100%)}
.section--deep{background:var(--brand-deep);color:#e8edf9}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);
  text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-head.center .eyebrow{justify-content:center}
.section-title{font-size:clamp(21px,2.3vw,27px);font-weight:800;line-height:1.4;letter-spacing:.01em}
.section-desc{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85}
.section--deep .section-title{color:#fff}
.section--deep .section-desc{color:#a9b7d6}

/* 统计条 */
.stat-strip{
  background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:0 10px 26px rgba(20,26,43,.05);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:.01em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfd8f2}
.card-ic{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-1);margin-bottom:14px;
}
.info-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px;line-height:1.5}
.info-card p{font-size:14px;color:var(--ink-2);line-height:1.78}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  margin-top:14px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--brand-1);
  background:rgba(59,71,214,.08);border:1px solid rgba(59,71,214,.14);
}
.tag.teal{color:#0d7f7f;background:rgba(18,163,163,.10);border-color:rgba(18,163,163,.18)}

/* 计费卡 */
.price-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfd8f2}
.price-card .price-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.price-card h3{font-size:17px;font-weight:800}
.price-note{font-size:12.5px;color:var(--brand-2);font-weight:700}
.price-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);
  line-height:1.8;margin-bottom:6px;
}
.price-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;
  background:var(--grad);
}
.price-card .tag{margin-top:16px}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(14,21,51,0) 45%,rgba(14,21,51,.42) 100%);
}
.media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;box-shadow:0 8px 18px rgba(8,14,36,.20);
}
.split-body h2{font-size:clamp(20px,2.2vw,25px);font-weight:800;line-height:1.42;margin-bottom:14px}
.split-body p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin-bottom:14px}
.check-list{display:grid;gap:10px;margin-top:18px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink-2);line-height:1.7;
}
.check-list .tick{
  flex:none;width:20px;height:20px;border-radius:6px;margin-top:3px;
  display:grid;place-items:center;background:var(--grad-soft);color:var(--brand-1);
}

/* 步骤 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step-item{
  position:relative;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:24px 22px;transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.step-item:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-4px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-weight:800;font-size:15px;
  background:var(--grad);color:#fff;margin-bottom:14px;
  box-shadow:0 8px 18px rgba(59,71,214,.34);
}
.step-item h3{font-size:16px;font-weight:800;color:#fff;margin-bottom:8px}
.step-item p{font-size:13.8px;color:#b6c3e0;line-height:1.78}

/* 设施清单 */
.facility-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.facility-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:0 4px 14px rgba(20,26,43,.05);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.facility-item:hover{border-color:#cfd8f2;transform:translateY(-3px);box-shadow:var(--shadow)}
.facility-item .ic{flex:none;color:var(--brand-2);margin-top:2px}
.facility-item h4{font-size:14.5px;font-weight:800;margin-bottom:4px}
.facility-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* 内容列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfd8f2}
.post-card h3{font-size:16px;font-weight:800;line-height:1.55;margin-bottom:10px;transition:color .2s}
.post-card:hover h3{color:var(--brand-1)}
.post-card p{font-size:13.8px;color:var(--ink-2);line-height:1.78;margin-bottom:16px}
.post-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted);padding-top:12px;border-top:1px dashed #e8ecf6;
}
.post-meta .cat{color:var(--brand-2);font-weight:700}
.empty-tip{
  grid-column:1/-1;text-align:center;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px 18px;font-size:14px;
}

/* FAQ */
.faq-wrap{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:0 4px 14px rgba(20,26,43,.05);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfd8f2;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-1);font-weight:800;font-size:15px;
  transition:transform .2s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.2px;color:var(--ink-2);line-height:1.85}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background:var(--grad);color:#fff;padding:44px 42px;
  box-shadow:0 20px 44px rgba(34,48,140,.28);
  display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band h2{font-size:clamp(21px,2.3vw,26px);font-weight:800;line-height:1.4;margin-bottom:12px;position:relative;z-index:2}
.cta-band p{font-size:14.5px;color:#e4ebff;line-height:1.85;position:relative;z-index:2;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;justify-content:flex-end}
.cta-band .btn-line{background:#fff;color:var(--brand-1);border-color:#fff}
.cta-band .btn-line:hover{background:#eef1ff}

/* ============ 页脚 ============ */
.site-footer{background:#0e1533;color:#b7c2dd;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;font-size:17px;margin-bottom:14px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#9caacb;max-width:400px}
.footer-col h4{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;font-size:13.5px;color:#9caacb;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 0 22px;font-size:12.5px;color:#7d8aab;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-panel{max-width:520px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid.three{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .split.reverse .split-media{order:0}
  .cta-band{grid-template-columns:1fr;padding:36px 30px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:920px){
  .nav-links,.search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-tools{margin-left:auto}
  .nav-tools .btn-primary{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .page-hero{padding:32px 0 46px}
  .card-grid,.card-grid.three,.post-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .facility-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-head{margin-bottom:26px}
}
@media (max-width:520px){
  body{font-size:14.5px}
  .nav{height:60px;gap:12px}
  .logo{font-size:15.5px}
  .logo-mark{width:30px;height:30px;border-radius:9px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .stat-item{padding:18px 12px}
  .info-card,.price-card{padding:20px 18px}
  .cta-band{padding:28px 22px}
  .panel-row{flex-direction:column;align-items:flex-start;gap:4px}
  .panel-val{text-align:left}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
 --brand-1:#3b47d6;
 --brand-2:#12a3a3;
 --brand-deep:#0e1533;
 --grad:linear-gradient(135deg,#3b47d6 0%,#12a3a3 100%);
 --grad-soft:linear-gradient(135deg,rgba(59,71,214,.10),rgba(18,163,163,.10));
 --gold:#e2a03f;
 --ink:#141a2b;
 --ink-2:#3a4358;
 --muted:#6c7689;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --line:#e4e8f2;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 8px 24px rgba(20,26,43,.07);
 --shadow-hover:0 16px 38px rgba(20,26,43,.14);
 --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
 outline:2px solid var(--brand-1);outline-offset:3px;border-radius:8px;
}
.container{width:min(var(--max),92%);margin:0 auto}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.96);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(20,26,43,.05);
 backdrop-filter:saturate(160%) blur(10px);
}
.nav{height:64px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
 width:34px;height:34px;border-radius:10px;background:var(--grad);
 display:grid;place-items:center;color:#fff;flex:none;
 box-shadow:0 6px 14px rgba(59,71,214,.28);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
 display:inline-flex;align-items:center;height:40px;padding:0 14px;
 border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;
 transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#eef1fb;color:var(--brand-1)}
.nav-links a.active{background:var(--grad-soft);color:var(--brand-1);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:12px}
.search{
 display:flex;align-items:center;gap:8px;
 height:38px;padding:0 12px;border:1px solid var(--line);
 border-radius:999px;background:#f7f8fc;transition:border-color .2s,background .2s;
}
.search:focus-within{border-color:var(--brand-1);background:#fff}
.search svg{flex:none;color:var(--muted)}
.search input{border:0;background:transparent;outline:none;width:126px;font-size:13.5px;color:var(--ink)}
.search input::placeholder{color:#9aa3b6}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(59,71,214,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(59,71,214,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(59,71,214,.24)}
.btn-line{background:#fff;color:var(--brand-1);border:1px solid #ccd4f2}
.btn-line:hover{background:#f2f5ff;border-color:var(--brand-1);transform:translateY(-2px)}
.btn-block{width:100%}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 6px;border-radius:9px;font-size:15px;color:var(--ink-2)}
.mobile-nav a.active{color:var(--brand-1);font-weight:700;background:var(--grad-soft)}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ============ 本页 Hero ============ */
.page-hero{
 position:relative;overflow:hidden;padding:54px 0 58px;
 background:linear-gradient(180deg,#f7f9ff 0%,#eaeffb 100%);
 border-bottom:1px solid var(--line);
}
.page-hero::before{
 content:"";position:absolute;right:-150px;top:-150px;width:460px;height:460px;border-radius:50%;
 background:radial-gradient(circle,rgba(59,71,214,.16),rgba(59,71,214,0) 68%);
}
.page-hero::after{
 content:"";position:absolute;left:-120px;bottom:-180px;width:380px;height:380px;border-radius:50%;
 background:radial-gradient(circle,rgba(18,163,163,.16),rgba(18,163,163,0) 70%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.14fr .86fr;gap:40px;align-items:start}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;
 background:#fff;border:1px solid #d9e0f5;color:var(--brand-1);font-weight:700;
 box-shadow:0 4px 12px rgba(59,71,214,.10);
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(18,163,163,.16)}
.page-hero h1{
 font-size:clamp(26px,3.2vw,38px);line-height:1.34;font-weight:800;
 margin:16px 0 14px;letter-spacing:.01em;color:var(--ink);
}
.hero-lead{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:640px;margin:0}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{
 display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
 font-size:13px;background:#fff;border:1px solid #dde3f6;color:var(--ink-2);
 transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.pill:hover{transform:translateY(-2px);border-color:var(--brand-1);color:var(--brand-1)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-note{margin-top:14px;font-size:13px;color:var(--muted)}
.check-panel{
 background:var(--surface);border:1px solid var(--line);border-radius:18px;
 box-shadow:var(--shadow);padding:22px 22px 20px;
}
.check-title{display:flex;align-items:center;gap:9px;margin:0 0 6px;font-size:16px;font-weight:800}
.check-title span.bar{width:4px;height:17px;border-radius:3px;background:var(--grad);display:inline-block}
.check-sub{margin:0 0 8px;font-size:13px;color:var(--muted)}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{
 display:flex;gap:10px;align-items:flex-start;
 padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0}
.tick{
 flex:none;width:22px;height:22px;border-radius:7px;background:var(--grad-soft);
 color:var(--brand-1);display:grid;place-items:center;margin-top:2px;
}
.check-panel .btn{margin-top:14px}
.check-foot{margin:10px 0 0;font-size:12.5px;color:var(--muted);text-align:center}

/* ============ 板块通用 ============ */
.section{padding:64px 0}
.section--white{background:var(--surface)}
.section--soft{background:linear-gradient(180deg,#f6f8fd 0%,#eef2fa 100%)}
.section-head{max-width:760px;margin-bottom:34px}
.kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.06em;
 color:var(--brand-1);text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-head h2{
 font-size:clamp(22px,2.4vw,29px);line-height:1.42;margin:12px 0 10px;font-weight:800;letter-spacing:.01em;
}
.section-head p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.85}
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfd8f2}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--grad-soft);color:var(--brand-1);margin-bottom:14px;
}
.card h3{margin:0 0 8px;font-size:16.5px;font-weight:800;line-height:1.5}
.card p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-2)}
.card .tag-row{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
 display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
 font-size:12px;background:#f1f4fd;color:#4a5680;border:1px solid #e3e8f8;
}
.tag--brand{background:var(--grad-soft);color:var(--brand-1);border-color:#d7ddf7;font-weight:600}

/* ============ 三步流程 ============ */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.flow-item{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.flow-num{
 width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;
 box-shadow:0 8px 16px rgba(59,71,214,.24);
}
.flow-item h3{margin:0 0 8px;font-size:16px;font-weight:800}
.flow-item p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.8}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.split-media{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.split-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.split-list strong{color:var(--ink)}
.bullet{flex:none;width:8px;height:8px;border-radius:50%;background:var(--brand-2);margin-top:10px}

/* ============ 桌型对照表 ============ */
.table-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow-x:auto;
}
table.spec{width:100%;border-collapse:collapse;min-width:660px}
table.spec th,table.spec td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
table.spec thead th{
 background:#f5f7fd;color:var(--ink);font-weight:800;font-size:13.5px;white-space:nowrap;
}
table.spec tbody tr{transition:background .2s ease}
table.spec tbody tr:hover{background:#f8faff}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td strong{color:var(--brand-1)}

/* ============ 深色区块 ============ */
.band-dark{
 background:radial-gradient(circle at 82% 12%,rgba(18,163,163,.34),rgba(18,163,163,0) 55%),
            linear-gradient(135deg,#111a3d 0%,#0e1533 100%);
 color:#dfe6f7;border-radius:20px;padding:40px;box-shadow:0 22px 46px rgba(14,21,51,.28);
}
.band-dark h2{color:#fff;font-size:clamp(21px,2.3vw,27px);margin:0 0 10px;font-weight:800}
.band-dark p{color:#b9c4de;margin:0;font-size:14.5px;line-height:1.85;max-width:720px}
.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.band-cell{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:12px;padding:18px;transition:background .2s ease,transform .2s ease;
}
.band-cell:hover{background:rgba(255,255,255,.13);transform:translateY(-3px)}
.band-cell h3{margin:0 0 6px;font-size:15px;color:#fff;font-weight:800}
.band-cell p{margin:0;font-size:13.5px;color:#a9b6d3;line-height:1.75}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
details.faq{
 background:var(--surface);border:1px solid var(--line);border-radius:12px;
 padding:0 20px;box-shadow:0 4px 14px rgba(20,26,43,.05);
 transition:border-color .2s ease,box-shadow .2s ease;
}
details.faq:hover{border-color:#cfd8f2;box-shadow:0 10px 24px rgba(20,26,43,.08)}
details.faq summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:16px 0;font-weight:700;font-size:15px;color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .chev{flex:none;color:var(--brand-1);transition:transform .25s ease}
details.faq[open] summary{color:var(--brand-1)}
details.faq[open] summary .chev{transform:rotate(180deg)}
details.faq .faq-a{padding:0 0 18px;font-size:14px;line-height:1.85;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:14px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfd8f2}
.news-thumb{overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.news-body h3{margin:0;font-size:15.5px;font-weight:800;line-height:1.6;color:var(--ink)}
.news-body p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.75}
.list-empty{
 margin:0;padding:34px 22px;text-align:center;color:var(--muted);font-size:14px;
 background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}

/* ============ 收口 CTA ============ */
.cta-band{
 background:linear-gradient(135deg,#3b47d6 0%,#1b6fc4 52%,#12a3a3 100%);
 border-radius:20px;padding:40px;color:#fff;display:grid;grid-template-columns:1fr .9fr;gap:34px;
 box-shadow:0 24px 50px rgba(41,63,168,.28);align-items:start;
}
.cta-band h2{margin:0 0 12px;font-size:clamp(21px,2.3vw,28px);color:#fff;font-weight:800}
.cta-band p{margin:0;font-size:14.5px;line-height:1.85;color:#dfe8fb;max-width:520px}
.cta-points{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:9px}
.cta-points li{display:flex;gap:9px;font-size:13.5px;color:#e6eeff}
.cta-points .bullet{background:#7fe4d4}
.lead-form{background:#fff;border-radius:16px;padding:22px;display:grid;gap:13px;box-shadow:0 18px 40px rgba(10,20,60,.22)}
.lead-form h3{margin:0;font-size:16px;font-weight:800;color:var(--ink)}
.field{display:grid;gap:6px}
.field label{font-size:12.5px;font-weight:700;color:var(--ink-2)}
.field input,.field textarea{
 width:100%;border:1px solid var(--line);background:#f8faff;border-radius:10px;
 padding:10px 12px;font-size:14px;outline:none;transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(59,71,214,.12)}
.form-note{margin:0;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-tip{display:none;margin:0;font-size:13px;color:var(--brand-1);font-weight:700}
.form-tip.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#c7d0e8;padding:56px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo{color:#fff;font-size:17px}
.site-footer .logo-mark{box-shadow:0 6px 14px rgba(0,0,0,.3)}
.footer-brand p{margin:14px 0 0;font-size:13.5px;line-height:1.85;color:#9fabc9;max-width:340px}
.footer-col h4{margin:0 0 12px;font-size:14.5px;color:#fff;font-weight:800}
.footer-col a{display:block;padding:5px 0;font-size:13.5px;color:#a9b4cf;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
 padding:18px 0;font-size:12.5px;color:#8b96b4;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:28px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3,.news-grid,.band-grid{grid-template-columns:repeat(2,1fr)}
 .flow{grid-template-columns:repeat(3,1fr)}
 .split{grid-template-columns:1fr;gap:26px}
 .cta-band{grid-template-columns:1fr;padding:32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .nav-links{display:none}
 .search{display:none}
 .nav-toggle{display:inline-flex}
 .nav{gap:14px}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .page-hero{padding:40px 0 44px}
 .grid-4,.grid-3,.grid-2,.news-grid,.band-grid,.flow{grid-template-columns:1fr}
 .section-head{margin-bottom:26px}
 .band-dark{padding:28px 22px}
 .cta-band{padding:26px 20px;gap:24px}
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .footer-bottom{justify-content:flex-start}
 .nav-cta{display:none}
}
@media (max-width:520px){
 body{font-size:14.5px}
 .btn{height:42px;padding:0 16px;font-size:14px}
 .hero-actions{gap:10px}
 .hero-actions .btn{width:100%}
 .card{padding:18px}
 .check-panel{padding:18px}
 .page-hero h1{font-size:24px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}