/* roulang page: index */
:root{
  --brand:#1f5cff;
  --brand-dark:#123fb5;
  --brand-soft:#eef3ff;
  --brand-line:#d7e3ff;
  --ink:#0f1a33;
  --ink-2:#3b4a66;
  --muted:#6b7a95;
  --line:#e6ebf5;
  --bg:#ffffff;
  --bg-alt:#f6f8fd;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,26,51,.05), 0 6px 18px rgba(15,26,51,.05);
  --shadow-md:0 10px 30px rgba(20,48,120,.10);
  --shadow-lg:0 18px 48px rgba(20,48,120,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(31,92,255,.45);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部公告条 ---------- */
.promo-bar{background:linear-gradient(90deg,#0d2352 0%,#1746c4 55%,#2f6bff 100%);color:#e6efff;font-size:13px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;flex-wrap:wrap}
.promo-bar strong{color:#fff;font-weight:600}
.promo-bar a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.55);padding-bottom:1px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,26,51,.10)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(31,92,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:15px;transition:background .2s ease,color .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{width:186px;height:38px;border:1px solid var(--line);background:#f7f9fe;border-radius:9px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.2s}
.nav-search input::placeholder{color:#95a3bf}
.nav-search input:focus{border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.nav-toggle{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"]{background:var(--brand-soft);border-color:#bcd0ff}
#navDrawer{border-top:1px solid var(--line);background:#fff}
.drawer-inner{padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.drawer-inner a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:15px}
.drawer-inner a:hover,.drawer-inner a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-inner .drawer-cta{margin-top:8px;background:var(--brand);color:#fff;justify-content:center;font-weight:600}
.drawer-inner .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;box-shadow:0 8px 20px rgba(31,92,255,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,63,181,.30)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:38px;padding:0 18px;font-size:14px;box-shadow:0 6px 16px rgba(31,92,255,.20)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.07);color:#fff;font-size:15px;font-weight:600;transition:.2s}
.btn-line:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.72);color:#fff;transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid #c6d8ff;background:#fff;color:var(--brand);font-size:15px;font-weight:600;transition:.2s}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#08183a;color:#fff;padding:70px 0 78px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:.28}
.hero-veil{position:absolute;inset:0;background:radial-gradient(120% 110% at 0% 0%,rgba(8,23,55,.97) 0%,rgba(12,36,82,.92) 46%,rgba(18,54,118,.66) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:50px;align-items:start}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#dbe7ff;letter-spacing:.3px}
.hero h1{margin-top:18px;font-size:clamp(27px,3.3vw,42px);font-weight:800;letter-spacing:-.5px;line-height:1.3;color:#fff}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.85;color:#cddcf6;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#c9dbfa}
.hero-quick{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:20px}
.quick-title{margin:0 0 14px;font-size:12px;letter-spacing:2px;color:#9dbcf2}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.quick-card{display:block;padding:14px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#fff;transition:.2s}
.quick-card:hover{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.34);transform:translateY(-3px);color:#fff}
.quick-card b{display:block;font-size:14px;margin-bottom:4px}
.quick-card span{display:block;font-size:12px;line-height:1.6;color:#bfd3f2}

/* ---------- 板块 ---------- */
.section{padding:74px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.3px}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px;max-width:680px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:var(--brand);font-weight:700;margin-bottom:10px}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;border-radius:2px;background:var(--brand)}

/* ---------- 一页摘要 ---------- */
.summary-list{display:grid;gap:14px}
.summary-item{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-sm);transition:.2s}
.summary-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#cfdcf7}
.summary-num{width:40px;height:40px;border-radius:11px;background:var(--brand-soft);color:var(--brand-dark);font-weight:800;display:grid;place-items:center;font-size:16px}
.summary-item p{font-size:15px;color:var(--ink-2);line-height:1.78}
.summary-item p b{color:var(--ink)}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{position:relative;display:flex;flex-direction:column;padding:26px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);color:inherit;transition:.22s}
.cat-card::after{content:"";position:absolute;right:-46px;top:-46px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(31,92,255,.16),transparent 70%);transition:transform .3s}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c6d8ff;color:inherit}
.cat-card:hover::after{transform:scale(1.35)}
.cat-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:21px;margin-bottom:16px}
.cat-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px}
.cat-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* ---------- 精选推荐 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.pick-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);color:inherit;transition:.2s}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfdcf7;color:inherit}
.pick-thumb{aspect-ratio:16/10;overflow:hidden;background:#eef2fa}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pick-card:hover .pick-thumb img{transform:scale(1.05)}
.pick-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick-body h3{font-size:16px;font-weight:700;line-height:1.55}
.pick-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark)}
.pick-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12px;color:var(--muted)}

/* ---------- 场景演示 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.scene-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);transition:.2s}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfdcf7}
.scene-step{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:3px 12px;height:26px;border-radius:999px;background:#eaf0ff;color:var(--brand-dark);font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:14px}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:28px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-sm);color:inherit;transition:.2s}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdcf7;color:inherit}
.news-item h3{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.55}
.news-item p{font-size:14px;color:var(--muted);line-height:1.72;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#8493ad;flex-wrap:wrap}
.side-panel{padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.side-panel + .side-panel{margin-top:18px}
.side-panel h4{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-panel h4 i{color:var(--brand)}
.side-list{display:grid;gap:12px}
.side-list li{font-size:14px;color:var(--ink-2);line-height:1.7;padding-left:16px;position:relative}
.side-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand-line)}
.empty-state{padding:26px;text-align:center;color:var(--muted);font-size:14px;background:#fff;border:1px dashed var(--line);border-radius:13px}

/* ---------- 排行榜 ---------- */
.rank-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 22px}
.rank-item{display:flex;align-items:center;gap:14px;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);color:inherit;transition:.2s}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdcf7;color:inherit}
.rank-num{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:#eef2fa;color:var(--ink-2);display:grid;place-items:center;font-weight:800;font-size:13px}
.rank-item:nth-child(-n+3) .rank-num{background:var(--brand);color:#fff}
.rank-body b{display:block;font-size:14.5px;font-weight:600;line-height:1.55;color:var(--ink)}
.rank-body span{font-size:12px;color:var(--muted)}

/* ---------- 案例与证据 ---------- */
.case-wrap{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(0,.72fr);gap:28px;align-items:stretch}
.case-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.case-card h3{font-size:19px;font-weight:800;margin-bottom:14px}
.case-card p{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:14px}
.case-quote{padding:16px 18px;border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 12px 12px 0;font-size:14px;color:var(--brand-dark);line-height:1.8}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:linear-gradient(160deg,#f2f6ff,#ffffff);border:1px solid #dde7fb;border-radius:14px;padding:20px}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--brand-dark);letter-spacing:-.5px}
.stat span{font-size:13px;color:var(--muted);line-height:1.6;display:block;margin-top:4px}

/* ---------- 热门专题 ---------- */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
.topic-cloud a{padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;transition:.2s}
.topic-cloud a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}

/* ---------- 合作伙伴 ---------- */
.partner-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.partner{display:flex;align-items:center;gap:12px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-sm);transition:.2s}
.partner:hover{border-color:#cfdcf7;box-shadow:var(--shadow-md);transform:translateY(-3px)}
.partner i{flex:0 0 auto;width:9px;height:9px;border-radius:50%;background:var(--brand)}
.partner span{font-size:14px;font-weight:600;color:var(--ink-2)}

/* ---------- 保障条 ---------- */
.guarantee{background:#0f2a60;color:#fff;padding:54px 0}
.g-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.g-item h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px}
.g-item p{font-size:14px;color:#b9ccec;line-height:1.78}

/* ---------- 收口区 ---------- */
.final-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:46px;background:linear-gradient(135deg,#eef3ff,#f9fbff);border:1px solid var(--brand-line);border-radius:20px}
.final-cta h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;margin-bottom:10px}
.final-cta p{font-size:15px;color:var(--ink-2);line-height:1.8;max-width:620px}
.final-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0a1a35;color:#b9c9e5;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#7f93b8}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#93a8ca;max-width:320px}
.site-footer h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#b9c9e5}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8299bd}
.footer-bottom span{line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-grid,.pick-grid,.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:1fr}
  .case-wrap{grid-template-columns:1fr}
  .partner-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-search input{width:150px}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .section-head{margin-bottom:26px}
  .cat-grid,.pick-grid,.scene-grid,.rank-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .final-cta{padding:30px}
  .case-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .hero{padding:46px 0 54px}
  .promo-bar .container{justify-content:center;text-align:center;min-height:44px}
  .promo-bar{font-size:12px}
  .brand-text em{display:none}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .hero-tags span{font-size:12px}
  .stat-grid{grid-template-columns:1fr}
  .g-grid{grid-template-columns:1fr}
  .partner-wall{grid-template-columns:1fr}
  .summary-item{grid-template-columns:1fr;gap:10px}
  .final-actions .btn-main,.final-actions .btn-outline{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
 --brand:#1f5cff;
 --brand-dark:#123fb5;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --ink:#0f1a33;
 --ink-2:#3b4a66;
 --muted:#6b7a95;
 --line:#e6ebf5;
 --bg:#ffffff;
 --bg-alt:#f6f8fd;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(15,26,51,.05), 0 6px 18px rgba(15,26,51,.05);
 --shadow-md:0 10px 30px rgba(20,48,120,.10);
 --shadow-lg:0 18px 48px rgba(20,48,120,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部公告条 ---------- */
.promo-bar{background:linear-gradient(90deg,#123fb5 0%,#2f6bff 100%);color:#dfe9ff;font-size:13px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;flex-wrap:wrap}
.promo-bar a{color:#ffffff;border-bottom:1px dashed rgba(255,255,255,.55);padding-bottom:1px}
.promo-bar a:hover{color:#ffffff;border-bottom-style:solid}
.promo-bar i{font-size:14px;margin-right:4px;vertical-align:-1px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.95);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,26,51,.10)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(31,92,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:15px;transition:background .2s ease,color .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{width:186px;height:38px;border:1px solid var(--line);background:#f7f9fe;border-radius:9px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.2s}
.nav-search input::placeholder{color:#95a3bf}
.nav-search input:focus{border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.nav-toggle{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"]{background:var(--brand-soft);border-color:#bcd0ff}
#navDrawer{border-top:1px solid var(--line);background:#fff}
.drawer-inner{padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.drawer-inner a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:15px}
.drawer-inner a:hover,.drawer-inner a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-inner .drawer-cta{margin-top:8px;background:var(--brand);color:#fff;justify-content:center;font-weight:600}
.drawer-inner .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;box-shadow:0 8px 20px rgba(31,92,255,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,63,181,.30)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:38px;padding:0 18px;font-size:14px;box-shadow:0 6px 16px rgba(31,92,255,.20)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.10);color:#fff;font-size:15px;font-weight:600;transition:.2s}
.btn-line:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.72);color:#fff;transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid #c6d8ff;background:#fff;color:var(--brand);font-size:15px;font-weight:600;transition:.2s}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid #7ba4ff;outline-offset:3px;border-radius:8px}

/* ---------- 文章头部 ---------- */
.page-head{position:relative;overflow:hidden;padding:34px 0 40px;background:linear-gradient(180deg,#eef4ff 0%,#f8faff 62%,#ffffff 100%);border-bottom:1px solid var(--line)}
.page-head::after{content:"";position:absolute;right:-90px;top:-110px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(31,92,255,.16),rgba(31,92,255,0) 68%);pointer-events:none}
.page-head .container{position:relative;z-index:1}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:#c3cde0}
.page-head h1{font-size:clamp(24px,3vw,38px);line-height:1.36;font-weight:800;letter-spacing:-.4px;margin:0 0 18px;color:var(--ink);max-width:920px}
.page-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:13px;background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);font-weight:500}
.tag i{font-size:14px}
.meta-text{font-size:13px;color:var(--muted)}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:44px 0 62px;background:var(--bg)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 324px;gap:30px;align-items:start}
.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:32px 36px}
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:22px;line-height:1.45;color:var(--ink);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);font-weight:700}
.article-body h3{font-size:18px;line-height:1.5;color:var(--ink);margin:26px 0 10px;font-weight:700}
.article-body h4{font-size:16px;color:var(--ink);margin:22px 0 8px;font-weight:700}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body img{border-radius:12px;margin:20px 0;box-shadow:var(--shadow-sm);height:auto}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--bg-alt);border-left:4px solid var(--brand-line);border-radius:0 10px 10px 0;color:var(--ink-2)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.empty-box{padding:26px 0 6px}
.empty-box h2{border:0;padding-left:0;margin-top:0}
.empty-box .btn-outline{margin-top:8px}

/* ---------- 侧边栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:18px;position:sticky;top:90px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px}
.side-card h3{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:17px}
.side-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.side-list .num{flex:0 0 22px;height:22px;border-radius:7px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px}
.side-list strong{color:var(--ink)}
.side-cover{border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:12px}
.side-cover img{width:100%;height:150px;object-fit:cover}
.side-note{font-size:13px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- 通用板块 ---------- */
.section{padding:60px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-head h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;color:var(--ink);margin:12px 0 10px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:15px;margin:0;line-height:1.8}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line);color:var(--ink)}
.channel-icon{width:40px;height:40px;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:19px;margin-bottom:14px}
.channel-card h3{font-size:17px;font-weight:700;margin:0 0 8px;color:var(--ink)}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 14px}
.channel-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* ---------- 偏差速查卡片 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.info-card .kicker{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.6px}
.info-card h3{font-size:16px;margin:8px 0;color:var(--ink);font-weight:700}
.info-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--brand-line);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;font-size:15px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand);font-size:16px;transition:transform .2s ease}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-body{padding:14px 20px 18px;font-size:14.5px;color:var(--ink-2);line-height:1.8;border-top:1px solid var(--line)}

/* ---------- 转化条 ---------- */
.cta-band{background:linear-gradient(120deg,#0f2b66 0%,#1f5cff 100%);border-radius:18px;padding:36px 40px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);font-weight:800;margin:0 0 8px;color:#fff}
.cta-band p{margin:0;color:#cfdcf8;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1930;color:#b8c8e4;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:#8ba3cb}
.footer-desc{font-size:14px;line-height:1.8;color:#9db0cf;margin:16px 0 0;max-width:340px}
.site-footer h5{font-size:14px;color:#fff;margin:4px 0 16px;font-weight:700;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#9db0cf}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f93b5}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr)}
 .side-col{position:static;flex-direction:row;flex-wrap:wrap}
 .side-col > *{flex:1 1 280px}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .section{padding:42px 0}
 .article-wrap{padding:30px 0 44px}
 .article-main{padding:22px 20px}
 .article-body{font-size:15px}
 .article-body h2{font-size:19px;margin-top:28px}
 .article-body h3{font-size:17px}
 .channel-grid{grid-template-columns:1fr}
 .info-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .cta-band{padding:26px 22px}
 .page-head{padding:24px 0 30px}
 .btn-main,.btn-line,.btn-outline{width:auto}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 .footer-grid{grid-template-columns:1fr}
 .side-col{flex-direction:column}
 .side-col > *{flex:1 1 auto;width:100%}
 .article-main{padding:18px 16px;border-radius:12px}
 .cta-actions .btn-main,.cta-actions .btn-line{width:100%}
 .promo-bar .container{justify-content:center;text-align:center}
 .page-meta{gap:8px}
}

/* roulang page: category1 */
:root{
 --brand:#1f5cff;
 --brand-dark:#123fb5;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --ink:#0f1a33;
 --ink-2:#3b4a66;
 --muted:#6b7a95;
 --line:#e6ebf5;
 --bg:#ffffff;
 --bg-alt:#f6f8fd;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(15,26,51,.05), 0 6px 18px rgba(15,26,51,.05);
 --shadow-md:0 10px 30px rgba(20,48,120,.10);
 --shadow-lg:0 18px 48px rgba(20,48,120,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:112px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(31,92,255,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部公告条 ---------- */
.promo-bar{background:linear-gradient(90deg,#123fb5 0%,#1f5cff 58%,#3f7bff 100%);color:#fff;font-size:13px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;flex-wrap:wrap}
.promo-bar span{display:inline-flex;align-items:center;gap:7px;color:#e6eeff}
.promo-bar a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.6);padding-bottom:1px}
.promo-bar a:hover{color:#fff;border-bottom-style:solid}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,26,51,.10)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(31,92,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:15px;transition:background .2s ease,color .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{width:190px;height:38px;border:1px solid var(--line);background:#f7f9fe;border-radius:9px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.2s}
.nav-search input::placeholder{color:#95a3bf}
.nav-search input:focus{border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.nav-toggle{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"]{background:var(--brand-soft);border-color:#bcd0ff}
#navDrawer{border-top:1px solid var(--line);background:#fff}
.drawer-inner{padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.drawer-inner a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:15px}
.drawer-inner a:hover,.drawer-inner a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-inner .drawer-cta{margin-top:8px;background:var(--brand);color:#fff;justify-content:center;font-weight:600}
.drawer-inner .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;box-shadow:0 8px 20px rgba(31,92,255,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,63,181,.30)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:38px;padding:0 18px;font-size:14px;box-shadow:0 6px 16px rgba(31,92,255,.20)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.07);color:#fff;font-size:15px;font-weight:600;transition:.2s}
.btn-line:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.72);color:#fff;transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid #c6d8ff;background:#fff;color:var(--brand);font-size:15px;font-weight:600;transition:.2s}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:#08183a;color:#fff;padding:66px 0 74px}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/红中麻将.webp');background-size:cover;background-position:center 42%;opacity:.26}
.page-hero .hero-veil{position:absolute;inset:0;background:radial-gradient(120% 110% at 0% 0%,rgba(8,23,55,.97) 0%,rgba(12,36,82,.93) 46%,rgba(18,54,118,.72) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:46px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#dbe7ff;letter-spacing:.3px}
.page-hero h1{margin:18px 0 0;font-size:clamp(26px,3.2vw,42px);font-weight:800;line-height:1.28;letter-spacing:-.5px;color:#fff}
.hero-lead{margin-top:18px;max-width:640px;font-size:16px;line-height:1.85;color:#cddcf6}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{font-size:13px;padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#c9dbfa}
.spec-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:22px 22px 18px}
.spec-title{margin:0 0 6px;font-size:15px;font-weight:700;color:#fff;letter-spacing:.3px}
.spec-note{margin:0 0 16px;font-size:12.5px;color:#a9c0e8}
.spec-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.spec-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.14)}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-list span{font-size:13.5px;color:#b7c9e8}
.spec-list strong{font-size:15.5px;color:#fff;font-weight:700}

/* ---------- 指标条 ---------- */
.metric-strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative;z-index:3}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:22px 18px;text-align:center;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric strong{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2}
.metric span{display:block;margin-top:4px;font-size:13px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:70px 0}
.section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:790px;margin-bottom:34px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:var(--brand)}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);display:inline-block}
.section-head h2{margin:10px 0 0;font-size:clamp(21px,2.4vw,29px);font-weight:800;letter-spacing:-.3px;color:var(--ink)}
.section-head p{margin:12px 0 0;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.card-soft{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card-soft:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9ff}

/* ---------- 坐标卡片 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.point-card{padding:24px;display:flex;flex-direction:column;gap:14px}
.point-head{display:flex;align-items:center;gap:12px}
.point-index{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:16px;flex-shrink:0;border:1px solid var(--brand-line)}
.point-head h3{margin:0;font-size:17px;font-weight:700;color:var(--ink)}
.point-head em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}
.point-coord{display:flex;gap:10px;flex-wrap:wrap}
.coord-chip{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:13px;padding:5px 11px;border-radius:8px;background:#0f1a33;color:#dce8ff;letter-spacing:.5px}
.point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.point-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.65}
.point-list i{color:var(--brand);margin-top:4px;font-size:13px;flex-shrink:0}

/* ---------- 路线卡片 ---------- */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.route-card{padding:24px}
.route-time{font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);padding:4px 11px;border-radius:999px;display:inline-block}
.route-card h3{margin:14px 0 8px;font-size:17px;font-weight:700}
.route-card p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.route-steps{margin:14px 0 0;padding-left:18px;font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,23,55,0) 42%,rgba(8,23,55,.62) 100%)}
.split-media figcaption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;font-size:13px;letter-spacing:.2px}
.tip-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.tip-list li{display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.tip-list li:hover{border-color:#c9d9ff;box-shadow:var(--shadow-md)}
.tip-list i{color:var(--brand);font-size:18px;line-height:1.5;flex-shrink:0}
.tip-list h4{margin:0 0 4px;font-size:15px;font-weight:700}
.tip-list p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- 实测卡片 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{overflow:hidden;display:flex;flex-direction:column}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-body h3{margin:0;font-size:16.5px;font-weight:700;line-height:1.5}
.case-body p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line)}
.rank-box{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:10px 24px}
.rank-head{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.6px;padding:12px 0 6px}
.rank-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line)}
.rank-row:last-child{border-bottom:0}
.rank-no{width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:13px;display:grid;place-items:center;flex-shrink:0}
.rank-name{font-size:14.5px;font-weight:600;flex:1;color:var(--ink)}
.rank-bar{flex:2;height:8px;border-radius:999px;background:#eef2fa;overflow:hidden;min-width:80px}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#4d84ff,#1f5cff)}
.rank-val{font-size:13.5px;color:var(--muted);width:70px;text-align:right}

/* ---------- 纠错表单 ---------- */
.fix-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:38px;align-items:start}
.fix-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:26px}
.form-title{margin:0 0 18px;font-size:17px;font-weight:700;color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea{width:100%;border:1px solid var(--line);background:#f8fafe;border-radius:10px;padding:11px 14px;font-size:14.5px;color:var(--ink);transition:.2s}
.field input::placeholder,.field textarea::placeholder{color:#9aa9c4}
.field input:focus,.field textarea:focus{outline:none;border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.field textarea{min-height:100px;resize:vertical}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.partner-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.partner-list li{display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
.partner-list i{color:var(--brand);font-size:18px;flex-shrink:0;line-height:1.5}
.partner-list h4{margin:0 0 4px;font-size:15px;font-weight:700}
.partner-list p{margin:0;font-size:13.8px;color:var(--ink-2);line-height:1.75}

/* ---------- 常见问题 ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#c9d9ff;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\F282";font-family:"bootstrap-icons";color:var(--brand);font-size:13px;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 最新更新 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;gap:10px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);color:var(--ink);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9ff;color:var(--ink)}
.news-card h3{margin:0;font-size:16px;font-weight:700;line-height:1.55}
.news-card p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.75}
.news-meta{font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}
.empty-note{padding:28px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);text-align:center;background:#fff}

/* ---------- 收口 CTA ---------- */
.cta-band{margin-top:34px;background:linear-gradient(135deg,#123fb5 0%,#1f5cff 62%,#3f7bff 100%);color:#fff;border-radius:18px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h2{margin:0;font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#fff}
.cta-band p{margin:8px 0 0;font-size:14.5px;color:#d8e5ff;max-width:640px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1a36;color:#b9c8e4;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.footer-col h5{font-size:14px;color:#fff;margin:0 0 14px;font-weight:700;letter-spacing:.5px}
.site-footer .brand{color:#fff}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:#8ea5cc}
.footer-desc{font-size:14px;line-height:1.8;color:#9db0cf;margin:16px 0 0;max-width:360px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#9db0cf;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#8298bb;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .point-grid,.route-grid,.case-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
 .split,.fix-grid{grid-template-columns:1fr;gap:28px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .metric{border-left:0;border-top:1px solid var(--line)}
 .metric:nth-child(-n+2){border-top:0}
}
@media (max-width:768px){
 .section{padding:52px 0}
 .page-hero{padding:48px 0 56px}
 .point-grid,.route-grid,.case-grid,.news-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cta-band{padding:28px 24px}
 .rank-bar{display:none}
}
@media (max-width:520px){
 .metric-grid{grid-template-columns:1fr}
 .metric{border-top:1px solid var(--line)}
 .metric:first-child{border-top:0}
 .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .nav-wrap{min-height:60px}
 .point-card,.route-card,.case-body,.news-card{padding:20px}
}

/* roulang page: category2 */
:root{
 --brand:#1f5cff;
 --brand-dark:#123fb5;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --ink:#0f1a33;
 --ink-2:#3b4a66;
 --muted:#6b7a95;
 --line:#e6ebf5;
 --bg:#ffffff;
 --bg-alt:#f6f8fd;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(15,26,51,.05), 0 6px 18px rgba(15,26,51,.05);
 --shadow-md:0 10px 30px rgba(20,48,120,.10);
 --shadow-lg:0 18px 48px rgba(20,48,120,.16);
 --warn:#c2410c;
 --ok:#0f766e;
}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:3px solid rgba(31,92,255,.45);outline-offset:2px;border-radius:6px}

/* ---------- 顶部公告条 ---------- */
.promo-bar{background:linear-gradient(90deg,#123fb5,#1f5cff 60%,#2f6bff);color:#fff;font-size:13px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;flex-wrap:wrap}
.promo-bar strong{font-weight:700;letter-spacing:.4px}
.promo-bar span{color:#dce7ff}
.promo-bar a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.55);padding-bottom:1px}
.promo-bar a:hover{color:#fff;border-bottom-color:#fff}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,26,51,.10)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(31,92,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:15px;transition:background .2s ease,color .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{width:186px;height:38px;border:1px solid var(--line);background:#f7f9fe;border-radius:9px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.2s}
.nav-search input::placeholder{color:#95a3bf}
.nav-search input:focus{border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.nav-toggle{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"]{background:var(--brand-soft);border-color:#bcd0ff}
#navDrawer{border-top:1px solid var(--line);background:#fff}
.drawer-inner{padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.drawer-inner a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:15px}
.drawer-inner a:hover,.drawer-inner a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-inner .drawer-cta{margin-top:8px;background:var(--brand);color:#fff;justify-content:center;font-weight:600}
.drawer-inner .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;box-shadow:0 8px 20px rgba(31,92,255,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,63,181,.30)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:38px;padding:0 18px;font-size:14px;box-shadow:0 6px 16px rgba(31,92,255,.20)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.07);color:#fff;font-size:15px;font-weight:600;transition:.2s}
.btn-line:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.72);color:#fff;transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;border:1px solid #c6d8ff;background:#fff;color:var(--brand);font-size:15px;font-weight:600;transition:.2s}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#08183a;color:#fff;padding:66px 0 74px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:.28}
.hero-veil{position:absolute;inset:0;background:radial-gradient(120% 110% at 0% 0%,rgba(8,23,55,.97) 0%,rgba(12,36,82,.93) 46%,rgba(18,54,118,.70) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:start}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#dbe7ff;letter-spacing:.3px}
.hero h1{margin-top:18px;font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.32;color:#fff}
.hero h1 em{font-style:normal;color:#8fb4ff}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:#cddcf6;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#c9dbfa}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:22px;backdrop-filter:blur(6px)}
.hero-panel h2{font-size:13px;letter-spacing:1px;color:#9fbcf0;font-weight:600;text-transform:none}
.step-rail{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.step-rail li{display:flex;gap:12px;align-items:flex-start}
.step-num{flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:rgba(143,180,255,.18);border:1px solid rgba(143,180,255,.42);color:#c5d9ff;display:grid;place-items:center;font-size:13px;font-weight:700}
.step-rail strong{display:block;font-size:15px;color:#fff;line-height:1.5}
.step-rail small{display:block;font-size:13px;color:#a9c1e8;line-height:1.6;margin-top:2px}
.hero-panel .panel-foot{margin-top:18px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.2);font-size:13px;color:#a9c1e8;display:flex;align-items:center;gap:8px}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.6px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}
.section-head h2{margin-top:10px;font-size:clamp(22px,2.4vw,30px);line-height:1.35}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.icon-badge{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:20px;border:1px solid var(--brand-line)}
.info-card h3{margin-top:16px;font-size:18px;line-height:1.5}
.info-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:999px;background:#f1f5ff;color:#27509e;border:1px solid #dfe8ff}
.tag.warn{background:#fff5ed;color:var(--warn);border-color:#ffe0c9}
.tag.ok{background:#eefaf6;color:var(--ok);border-color:#cdeee4}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
.flow-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:.2s}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.flow-index{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;box-shadow:0 8px 18px rgba(31,92,255,.25)}
.flow-body h3{font-size:17px;line-height:1.5}
.flow-body p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.flow-body .meta{margin-top:10px;font-size:12.5px;color:var(--muted)}

/* ---------- 场景带图卡片 ---------- */
.scene-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;display:flex;flex-direction:column}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;background:#dfe7f7}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.05)}
.scene-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:17px}
.scene-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- 对照表 ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.compare-table{width:100%;border-collapse:collapse}
.compare-table thead th{background:#f2f6ff;color:var(--ink);font-size:14px;font-weight:700;padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table td{padding:16px 18px;font-size:14.5px;color:var(--ink-2);border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover td{background:#f8faff}
.compare-table td:first-child{font-weight:600;color:var(--ink)}

/* ---------- 卡点清单 ---------- */
.check-list{display:grid;gap:14px}
.check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm);transition:.2s}
.check-item:hover{border-left-color:var(--brand-dark);box-shadow:var(--shadow-md);transform:translateX(2px)}
.check-item i{color:var(--brand);font-size:19px;line-height:1.6}
.check-item h4{font-size:15.5px}
.check-item p{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:4px 20px;transition:.2s}
.faq-item:hover{border-color:var(--brand-line);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\F4FE";font-family:"bootstrap-icons";font-size:16px;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{padding-bottom:20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}
.news-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:.2s;color:var(--ink);height:100%}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line);color:var(--ink)}
.news-cat{align-self:flex-start;font-size:12px;padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line)}
.news-card h3{font-size:16.5px;line-height:1.55}
.news-card p{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1}
.news-date{font-size:12.5px;color:var(--muted)}
.news-empty{background:#fff;border:1px dashed #cfdbf3;border-radius:var(--radius);padding:34px 22px;text-align:center;color:var(--muted);font-size:15px}

/* ---------- 保障条 ---------- */
.assure{background:linear-gradient(115deg,#0b2a63,#15409a 55%,#1f5cff);border-radius:18px;padding:36px 38px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.assure h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.4}
.assure p{margin-top:10px;color:#c8d9f7;font-size:14.5px;line-height:1.8;max-width:640px}
.assure-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#08152f;color:#a8b8d4;padding:58px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#8ba1c6}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2f6bff,#123fb5)}
.footer-desc{font-size:14px;line-height:1.85;color:#93a7c8;max-width:340px}
.site-footer h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#a8b8d4;font-size:14px;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8296b8}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .card-grid,.scene-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .flow{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .nav-search input{width:150px}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .hero{padding:48px 0 54px}
 .card-grid,.scene-grid,.news-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .assure{padding:28px 22px}
 .compare-table thead{display:none}
 .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
 .compare-table tr{border-bottom:1px solid var(--line);padding:6px 0}
 .compare-table td{border-bottom:none;padding:8px 18px}
 .compare-table td:first-child{font-size:15px}
 .compare-table td::before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);margin-bottom:2px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
 .brand-text strong{font-size:15px}
 .brand-text em{display:none}
 .assure-actions .btn-line,.assure-actions .btn-main{width:100%}
}

/* roulang page: category3 */
:root{
 --brand:#1f5cff;
 --brand-dark:#123fb5;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --ink:#0f1a33;
 --ink-2:#3b4a66;
 --muted:#6b7a95;
 --line:#e6ebf5;
 --bg:#ffffff;
 --bg-alt:#f6f8fd;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(15,26,51,.05), 0 6px 18px rgba(15,26,51,.05);
 --shadow-md:0 10px 30px rgba(20,48,120,.10);
 --shadow-lg:0 18px 48px rgba(20,48,120,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.4}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.promo-bar{background:linear-gradient(90deg,#123fb5,#1f5cff 62%,#3d78ff);color:#eaf1ff;font-size:13px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;flex-wrap:wrap}
.promo-bar a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.55);padding-bottom:1px}
.promo-bar a:hover{color:#fff;border-bottom-color:#fff}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,26,51,.10)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#2f6bff,#123fb5);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(31,92,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:15px;transition:background .2s ease,color .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{width:186px;height:38px;border:1px solid var(--line);background:#f7f9fe;border-radius:9px;padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.2s}
.nav-search input::placeholder{color:#95a3bf}
.nav-search input:focus{border-color:#9cb8ff;background:#fff;box-shadow:0 0 0 3px rgba(31,92,255,.14)}
.nav-toggle{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;transition:.2s}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle:hover{border-color:#bcd0ff;background:var(--brand-soft)}
.nav-toggle[aria-expanded="true"]{background:var(--brand-soft);border-color:#bcd0ff}
#navDrawer{border-top:1px solid var(--line);background:#fff}
.drawer-inner{padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.drawer-inner a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:15px}
.drawer-inner a:hover,.drawer-inner a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-inner .drawer-cta{margin-top:8px;background:var(--brand);color:#fff;justify-content:center;font-weight:600}
.drawer-inner .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:9px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;box-shadow:0 8px 20px rgba(31,92,255,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,63,181,.30)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:38px;padding:0 18px;font-size:14px;box-shadow:0 6px 16px rgba(31,92,255,.20)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid #c6d8ff;background:#fff;color:var(--brand);font-size:15px;font-weight:600;transition:.2s}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-main:focus-visible,.btn-outline:focus-visible,.nav-toggle:focus-visible,a:focus-visible{outline:3px solid rgba(31,92,255,.35);outline-offset:2px}

/* ---------- Hero（帮助中心式） ---------- */
.hero-doc{position:relative;overflow:hidden;background:#08183a;color:#fff;padding:66px 0 96px;text-align:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 44%;opacity:.26}
.hero-veil{position:absolute;inset:0;background:radial-gradient(120% 120% at 50% 0%,rgba(10,28,66,.96) 0%,rgba(13,38,88,.92) 48%,rgba(20,58,124,.72) 100%)}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-doc .pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#dbe7ff;letter-spacing:.3px}
.hero-doc h1{margin-top:18px;font-size:clamp(26px,3.4vw,42px);font-weight:800;letter-spacing:-.5px;line-height:1.32;color:#fff}
.hero-lead{margin:18px auto 0;font-size:16px;line-height:1.85;color:#cddcf6;max-width:720px}
.hero-search{display:flex;gap:10px;justify-content:center;margin:28px auto 0;max-width:620px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:8px;backdrop-filter:blur(6px)}
.hero-search input{flex:1;min-width:0;height:46px;border:none;background:transparent;color:#fff;font-size:15px;padding:0 14px;outline:none}
.hero-search input::placeholder{color:#a9bfe2}
.hero-search .btn-main{height:46px;padding:0 24px}
.hot-chips{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:24px}
.chips-label{font-size:12px;color:#93a9cc;letter-spacing:1px}
.hot-chips a{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#c9dbfa;transition:.2s}
.hot-chips a:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45);color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 0 40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:1px}
.section-kicker::before{content:"";display:block;width:26px;height:3px;border-radius:3px;background:var(--brand)}
.section-head.center .section-kicker::before{display:none}
.section-title{margin-top:12px;font-size:clamp(22px,2.5vw,31px);font-weight:800;letter-spacing:-.3px}
.section-desc{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 要点条 ---------- */
.stats-band{margin-top:-58px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md);padding:26px}
.stat-item{text-align:center;padding:6px 10px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--brand);letter-spacing:-.5px}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.card-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:20px;margin-bottom:16px}
.card-title{font-size:18px;font-weight:700}
.card-sub{margin-top:6px;font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.4px}
.card-text{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;font-size:12px;padding:4px 10px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--line);color:var(--muted)}
.tag.tag-brand{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand)}

/* ---------- 掉落表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}
table.drop-table{width:100%;border-collapse:collapse;min-width:820px;font-size:14.5px}
table.drop-table thead th{background:#f2f6ff;color:var(--ink);font-weight:700;font-size:14px;text-align:left;padding:16px 18px;border-bottom:1px solid var(--brand-line);white-space:nowrap}
table.drop-table tbody td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.75}
table.drop-table tbody tr:last-child td{border-bottom:none}
table.drop-table tbody tr:hover td{background:#fafcff}
.drop-name{font-weight:700;color:var(--ink);white-space:nowrap}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow-sm);transition:.2s}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.step-item h3{font-size:16px;font-weight:700}
.step-item p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- 对比 ---------- */
.diff-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius-sm);padding:22px;box-shadow:var(--shadow-sm);transition:.2s}
.diff-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.diff-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.diff-card h3 i{color:var(--brand)}
.diff-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.diff-flag{display:inline-block;margin-top:14px;font-size:12px;padding:4px 10px;border-radius:6px;background:#fff6e8;border:1px solid #ffe0b8;color:#a86400}

/* ---------- 实测记录 ---------- */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.case-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.case-thumb img{width:100%;height:100%;object-fit:cover}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:17px;font-weight:700}
.case-body p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.case-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;font-size:12px;color:var(--muted)}
.case-meta span{display:inline-flex;align-items:center;gap:5px}

/* ---------- 更新列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line)}
.news-link{display:block;padding:22px;height:100%;color:inherit}
.news-link:hover{color:inherit}
.news-link h3{font-size:16.5px;font-weight:700;line-height:1.55}
.news-link p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;justify-content:space-between;gap:10px;margin-top:16px;font-size:12px;color:var(--muted)}
.news-meta .cat{color:var(--brand);font-weight:600}
.empty-tip{background:#fff;border:1px dashed var(--brand-line);border-radius:var(--radius);padding:34px;text-align:center;color:var(--muted);font-size:15px}
.list-more{margin-top:30px;text-align:center}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:960px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:.2s}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\F4FE";font-family:"bootstrap-icons";color:var(--brand);font-size:15px;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(120deg,#0f2a63,#1f5cff 78%,#3f7bff);color:#fff;border-radius:20px;padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-lg);flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(20px,2.3vw,27px);font-weight:800;letter-spacing:-.3px}
.cta-band p{margin-top:12px;color:#d3e1ff;font-size:15px;line-height:1.8;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-main{background:#fff;color:var(--brand-dark);box-shadow:0 10px 24px rgba(4,18,48,.28)}
.cta-band .btn-main:hover{background:#eaf1ff;color:var(--brand-dark)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:9px;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-weight:600;transition:.2s}
.btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1730;color:#c4d2ea;padding-top:56px;margin-top:76px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px}
.site-footer .brand{color:#fff}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:#8fa4c6}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:#93a7c6;max-width:420px}
.footer-col h5{font-size:14px;color:#fff;letter-spacing:.4px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#9db0cd;font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f92b1;padding-top:20px;padding-bottom:22px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-doc{padding:56px 0 88px}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;padding:24px}
 .stat-item{border-right:none}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-band{padding:34px 30px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section-head{margin-bottom:28px}
 .hero-doc{padding:44px 0 78px}
 .hero-search{flex-direction:column;padding:10px}
 .hero-search .btn-main{width:100%}
 .hot-chips{justify-content:flex-start}
 .stats-band{margin-top:-44px}
 .grid-3,.grid-2,.news-grid{grid-template-columns:1fr}
 .step-list{grid-template-columns:1fr}
 .cta-band{padding:28px 22px;border-radius:16px}
 .cta-actions{width:100%}
 .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1;min-width:140px}
 .sit-footer{padding-top:40px}
 .site-footer{margin-top:56px}
 .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
 .brand-text strong{font-size:15px}
 .brand-text em{display:none}
 .stats-grid{grid-template-columns:1fr;padding:20px}
 .info-card{padding:22px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-answer{padding:0 18px 18px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
}

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