/* roulang page: index */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-soft:#E8F1FA;
  --accent:#E8703A;
  --ink:#14202B;
  --ink-2:#4A5A6A;
  --ink-3:#8A98A6;
  --line:#E6EDF4;
  --bg-soft:#F6F8FB;
  --card:#FFFFFF;
  --footer-bg:#0F1B26;
  --ok:#2E9E6B;
  --err:#D9453D;
  --r-card:12px;
  --r-btn:10px;
  --r-panel:14px;
  --r-img:8px;
  --sh-sm:0 1px 2px rgba(20,32,43,.06);
  --sh-md:0 8px 24px rgba(20,32,43,.08);
  --sh-lg:0 16px 40px rgba(20,32,43,.10);
  --sec-y:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--card);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--primary-soft);border-bottom:1px solid rgba(35,97,168,.10);font-size:13px;color:var(--primary-deep);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;}
.topbar-text{display:inline-flex;align-items:center;gap:8px;}
.topbar-text i{color:var(--accent);}
.topbar-close{background:transparent;border:0;font-size:20px;line-height:1;color:var(--ink-3);padding:0 4px;border-radius:6px;}
.topbar-close:hover{color:var(--primary);}
.topbar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,height .2s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.2px;}
.brand:hover{color:var(--primary);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px;}
.brand-mark svg{width:19px;height:19px;}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--ink-3);line-height:1.2;letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink-2);}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(35,97,168,.35);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{background:transparent;border:0;color:var(--primary);font-weight:600;padding:0;height:auto;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;}
.btn-text:hover{text-decoration-color:var(--primary);}

/* Mega */
.mega{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:15px;font-weight:500;position:relative;}
.mega-trigger:hover,.mega.is-open .mega-trigger{color:var(--primary);border-color:rgba(35,97,168,.35);background:var(--primary-soft);}
.mega.is-open .mega-trigger::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--primary);}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:760px;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-lg);padding:24px;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s ease,transform .15s ease,visibility .15s ease;}
.mega:hover .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.6px;margin-bottom:12px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mega-links a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;border:1px solid transparent;color:var(--ink);}
.mega-links a:hover{background:var(--bg-soft);border-color:var(--line);color:var(--primary);}
.mega-links strong{font-size:14px;font-weight:600;}
.mega-links span{font-size:12px;color:var(--ink-3);line-height:1.6;}
.mega-entry{background:var(--primary-soft);border-radius:var(--r-card);padding:20px;display:flex;flex-direction:column;gap:10px;justify-content:space-between;}
.mega-entry h4{font-size:15px;color:var(--primary-deep);}
.mega-entry p{font-size:13px;color:var(--ink-2);line-height:1.7;}
.mega-entry a{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--primary);font-size:18px;align-items:center;justify-content:center;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 22px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .grid-container{display:flex;flex-direction:column;gap:4px;}
.mobile-panel a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);font-weight:500;}
.mobile-panel a:hover{color:var(--primary);}
.mobile-panel .btn{margin-top:14px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg-soft);overflow:hidden;padding:84px 0 88px;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(35,97,168,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(35,97,168,.06) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(35,97,168,.18);color:var(--primary);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;}
.eyebrow i{color:var(--accent);}
.hero h1{font-size:42px;line-height:1.3;color:var(--ink);margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding-top:22px;}
.hero-stat{padding:0 16px;border-left:1px solid var(--line);}
.hero-stat:first-child{border-left:0;padding-left:0;}
.hero-stat b{display:block;font-size:20px;font-weight:600;color:var(--primary-deep);line-height:1.4;}
.hero-stat span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px;}
.hero-visual{position:relative;}
.hero-visual::after{content:"";position:absolute;right:-18px;bottom:-18px;width:64%;height:56%;background:var(--primary-soft);border-radius:var(--r-panel);z-index:0;}
.hero-img{position:relative;z-index:1;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);aspect-ratio:5/4;}
.hero-img img{width:100%;height:100%;object-fit:cover;}
.hero-tag{position:absolute;left:20px;bottom:20px;z-index:2;background:#fff;border-radius:10px;box-shadow:var(--sh-md);padding:10px 16px;font-size:13px;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px;}
.hero-tag b{color:var(--primary);font-size:15px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:31px;color:var(--ink);margin-bottom:14px;}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.85;}
.kicker{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;margin-bottom:10px;}

/* ---------- 信任条 ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.trust-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:20px 0;}
.trust-label{font-size:13px;color:var(--ink-3);flex:0 0 auto;}
.trust-list{display:flex;flex-wrap:wrap;gap:28px;font-size:14px;color:var(--ink-2);font-weight:500;}
.trust-list span{display:inline-flex;align-items:center;gap:8px;}
.trust-list i{color:var(--primary);opacity:.7;}

/* ---------- 数据卡 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:34px;}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease;}
.metric:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.metric-num{font-size:34px;font-weight:600;color:var(--primary);line-height:1.2;}
.metric-num small{font-size:15px;color:var(--ink-3);font-weight:500;margin-left:4px;}
.metric-label{font-size:15px;font-weight:600;margin:8px 0 6px;}
.metric p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- 频道矩阵 ---------- */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.matrix-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.matrix-main:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,97,168,.3);}
.matrix-main .media{aspect-ratio:16/9;overflow:hidden;}
.matrix-main .media img{width:100%;height:100%;object-fit:cover;}
.matrix-main .body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-tag{align-self:flex-start;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;}
.matrix-main h3{font-size:21px;}
.matrix-main p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.matrix-main .more{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.matrix-side{display:grid;gap:20px;}
.mini-card{display:grid;grid-template-columns:120px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.mini-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,97,168,.3);}
.mini-card .thumb{aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mini-card h3{font-size:16px;margin-bottom:6px;}
.mini-card p{font-size:13px;color:var(--ink-2);line-height:1.7;}
.mini-card:hover h3{color:var(--primary);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{content:"";position:absolute;left:82px;top:6px;bottom:6px;width:1px;background:var(--line);}
.tl-item{display:grid;grid-template-columns:82px 1fr;gap:28px;padding-bottom:22px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-time{font-size:15px;font-weight:600;color:var(--ink-2);text-align:right;padding-top:18px;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.tl-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.tl-card::before{content:"";position:absolute;left:-34px;top:26px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--primary);}
.tl-item.is-now .tl-card::before{background:var(--accent);border-color:var(--accent);}
.tl-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,97,168,.3);}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.tl-head h3{font-size:17px;}
.tl-badge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--bg-soft);color:var(--ink-2);border:1px solid var(--line);}
.tl-item.is-now .tl-badge{background:var(--accent);color:#fff;border-color:var(--accent);}
.tl-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.tl-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--ink-3);}
.tl-meta i{margin-right:5px;color:var(--primary);opacity:.75;}

/* ---------- 服务方案 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease;}
.plan:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.plan.is-featured{border:1.5px solid var(--primary);box-shadow:var(--sh-lg);transform:translateY(-8px);}
.plan-badge{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:14px;}
.plan h3{font-size:19px;margin-bottom:6px;}
.plan .plan-for{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.plan-price{font-size:32px;font-weight:600;color:var(--primary-deep);line-height:1.2;}
.plan-price small{font-size:14px;color:var(--ink-3);font-weight:500;}
.plan-rows{margin:20px 0 22px;border-top:1px solid var(--line);}
.plan-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;}
.plan-row span{color:var(--ink-3);}
.plan-row b{font-weight:600;color:var(--ink);text-align:right;}

/* ---------- 内容列表（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.post-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.post-main:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,97,168,.25);}
.post-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.post-media img{width:100%;height:100%;object-fit:cover;}
.post-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;}
.post-body{padding:22px 24px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;}
.post-main:hover h3{color:var(--primary);}
.post-body p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);}
.post-foot .read{font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.post-side{display:grid;gap:18px;}
.post-row{display:grid;grid-template-columns:132px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.post-row:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,97,168,.25);}
.post-row .thumb{aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--primary-soft);}
.post-row .thumb img{width:100%;height:100%;object-fit:cover;}
.post-row h4{font-size:15px;line-height:1.55;margin-bottom:6px;font-weight:600;}
.post-row:hover h4{color:var(--primary);}
.post-row p{font-size:13px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-row .meta{font-size:12px;color:var(--ink-3);margin-top:8px;}
.news-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:40px 24px;text-align:center;color:var(--ink-2);font-size:15px;}
.news-empty a{font-weight:600;margin-left:6px;}

/* ---------- 用户反馈 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote{background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:12px;padding:24px;box-shadow:var(--sh-sm);}
.quote p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.quote footer{margin-top:16px;font-size:13px;color:var(--ink-3);}
.quote b{display:block;color:var(--ink);font-size:14px;font-weight:600;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 22px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item[open]{box-shadow:var(--sh-md);border-color:rgba(35,97,168,.35);}
.faq-item summary{list-style:none;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:500;line-height:1;color:var(--primary);flex:0 0 auto;transition:transform .18s ease;}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-a{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA / 表单 ---------- */
.cta{background:var(--primary-soft);padding:var(--sec-y) 0;position:relative;overflow:hidden;}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(35,97,168,.10) 1px,transparent 1px);background-size:22px 22px;pointer-events:none;}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-copy h2{font-size:30px;margin-bottom:14px;}
.cta-copy>p{font-size:16px;color:var(--ink-2);line-height:1.85;margin-bottom:24px;}
.checklist{display:grid;gap:14px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7;}
.checklist i{color:var(--primary);margin-top:5px;flex:0 0 auto;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:30px;box-shadow:var(--sh-lg);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .hint{font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink);}
.field label .req{color:var(--accent);margin-left:3px;}
.field input[type="text"],.field input[type="tel"],.field input[type="email"],.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;padding:0 14px;transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,97,168,.12);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;margin:6px 0 18px;}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary);}
.form-tip{display:none;margin-top:14px;font-size:14px;color:var(--ok);}
.form-tip.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;font-size:18px;margin-bottom:14px;}
.footer-brand .brand:hover{color:var(--primary-soft);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.85;margin-bottom:18px;max-width:300px;}
.socials{display:flex;gap:10px;}
.socials a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);font-size:15px;}
.socials a:hover{background:var(--primary);color:#fff;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--primary-soft);}
.footer-contact{display:grid;gap:11px;font-size:14px;color:rgba(255,255,255,.68);}
.qr{width:104px;height:104px;border-radius:var(--r-img);background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.45);font-size:12px;margin-top:14px;text-align:center;line-height:1.5;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:660px;}
}
@media (max-width:1024px){
  :root{--sec-y:76px;}
  .hero{padding:64px 0 68px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .plans{grid-template-columns:1fr;}
  .plan.is-featured{transform:none;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:899px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{min-height:64px;}
  .matrix{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .timeline::before{left:5px;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:26px;}
  .tl-time{text-align:left;padding-top:0;font-size:13px;color:var(--primary);background:var(--primary-soft);display:inline-block;padding:3px 10px;border-radius:999px;justify-self:start;}
  .tl-card::before{left:-26px;top:22px;}
}
@media (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px 0;}
  .hero-stat{padding:0 12px;}
  .hero-stat:nth-child(odd){border-left:0;padding-left:0;}
  .metrics{grid-template-columns:1fr;}
  .section-title{font-size:23px;}
  .cta-copy h2{font-size:23px;}
  .form-card{padding:22px;}
  .mini-card{grid-template-columns:96px 1fr;}
  .post-row{grid-template-columns:100px 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-cta .btn{width:100%;}
}

/* roulang page: article */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-soft:#E8F1FA;
  --accent:#E8703A;
  --ink:#14202B;
  --ink-2:#4A5A6A;
  --ink-3:#8A98A6;
  --line:#E6EDF4;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D9453D;
  --r-sm:8px;
  --r-card:12px;
  --r-btn:10px;
  --r-panel:14px;
  --sh-sm:0 1px 2px rgba(20,32,43,.06);
  --sh-md:0 8px 24px rgba(20,32,43,.08);
  --sh-lg:0 16px 40px rgba(20,32,43,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink)}
p{margin:0}
ul,ol{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ------- 顶部导航 ------- */
.site-header{
  position:sticky;top:0;z-index:90;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:10px;background:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(35,97,168,.24);
}
.brand-mark::before{content:"";width:13px;height:13px;border:2px solid #fff;border-radius:4px;transform:rotate(45deg)}
.brand-mark::after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--accent);right:6px;top:6px}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:10px;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(35,97,168,.22)}
.btn-primary:hover{background:#1D5490;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ------- 面包屑 ------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:28px 0 18px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C7D3DF}
.crumb .current{color:var(--ink-2)}

/* ------- 文章卡片 ------- */
.article-card{
  max-width:880px;margin:0 auto 48px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh-sm);padding:48px 48px 40px;
}
.article-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.2px;
}
.article-title{font-size:34px;font-weight:600;line-height:1.42;letter-spacing:-.2px;margin:16px 0 18px}
.meta-row{
  display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--ink-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item::before{content:"";width:5px;height:5px;border-radius:50%;background:#C7D3DF}
.article-cover{
  margin-top:26px;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:21/9;background:var(--primary-soft);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ------- 正文排版 ------- */
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink-2);margin-top:32px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:23px;font-weight:600;color:var(--ink);line-height:1.5;
  margin:44px 0 16px;padding-left:12px;border-left:3px solid var(--primary);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--primary-soft);
  border-left:3px solid var(--primary);border-radius:0 10px 10px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:22px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-deep)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg);font-weight:600;color:var(--ink)}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre{background:#0F1B26;color:#D7E4F0;border-radius:var(--r-card);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ------- 空状态 ------- */
.empty-state{text-align:center;padding:24px 0 8px}
.empty-state h2{font-size:22px;margin-bottom:12px;border:0;padding:0}
.empty-state p{color:var(--ink-2);margin-bottom:24px}

/* ------- 标签行 ------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:4px 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:#D5E6F7;color:var(--primary-deep)}

/* ------- 上下篇 ------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pn-item{
  display:block;padding:18px 20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.pn-item:hover{border-color:rgba(35,97,168,.35);box-shadow:var(--sh-md);transform:translateY(-2px)}
.pn-dir{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px}
.pn-title{display:block;font-size:15px;font-weight:600;color:var(--ink);transition:color .18s ease}
.pn-item:hover .pn-title{color:var(--primary)}
.pn-next{text-align:right}

/* ------- 相关推荐 ------- */
.relate{padding:8px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.section-title{font-size:22px;font-weight:600}
.section-title span{display:block;width:36px;height:3px;border-radius:3px;background:var(--accent);margin-top:10px}
.section-sub{font-size:14px;color:var(--ink-3)}
.relate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(35,97,168,.2)}
.post-thumb{aspect-ratio:16/9;background:var(--primary-soft);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;font-weight:600;line-height:1.55;transition:color .18s ease}
.post-card:hover .post-body h3{color:var(--primary)}
.post-body p{
  font-size:15px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:8px;font-size:13px;color:var(--ink-3);
}
.post-foot .more{color:var(--primary);font-weight:500}

/* ------- CTA 条 ------- */
.cta-band{
  margin:56px 0 8px;padding:38px 44px;border-radius:var(--r-panel);
  background:var(--primary-soft);border:1px solid #D5E5F5;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:21px;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--ink-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ------- 页脚 ------- */
.site-footer{background:#0F1B26;color:#B9C6D3;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.3px}
.footer-brand .brand-text{color:#fff}
.footer-note{font-size:14px;line-height:1.85;color:#8FA3B6;margin-top:16px;max-width:290px}
.footer-links a{display:block;color:#B9C6D3;font-size:14px;padding:5px 0}
.footer-links a:hover{color:#8FBDF0}
.qr-box{
  width:88px;height:88px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.4;color:#7A8FA3;margin-top:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7A8FA3;
}
.footer-bottom b{color:#B9C6D3;font-weight:600}

/* ------- 响应式 ------- */
@media (max-width:1024px){
  .relate-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;margin-left:auto}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-md);padding:8px 12px 16px;margin-left:0;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:16px}
  .nav-link.is-active::after{display:none}
  .header-cta{display:none}
  .article-card{padding:36px 28px 32px}
  .article-title{font-size:28px}
  .cta-band{padding:30px 26px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .header-inner{height:64px;gap:14px}
  .main-nav{top:64px}
  .brand-text{font-size:17px}
  .article-card{padding:26px 18px 24px;border-radius:12px}
  .article-title{font-size:24px;line-height:1.45}
  .article-cover{aspect-ratio:16/9;margin-top:20px}
  .article-body{font-size:16px;margin-top:24px}
  .article-body h2{font-size:20px;margin-top:34px}
  .article-body h3{font-size:17.5px}
  .post-nav{grid-template-columns:1fr}
  .pn-next{text-align:left}
  .relate-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-soft:#E8F1FA;
  --primary-soft-2:#F2F7FC;
  --accent:#E8703A;
  --text:#14202B;
  --text-2:#4A5A6A;
  --text-3:#8A98A6;
  --border:#E6EDF4;
  --bg-soft:#F6F8FB;
  --card:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D9453D;
  --r-card:12px;
  --r-btn:10px;
  --r-panel:14px;
  --sh-sm:0 1px 2px rgba(20,32,43,.06);
  --sh-md:0 8px 24px rgba(20,32,43,.08);
  --sh-lg:0 16px 40px rgba(20,32,43,.10);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:#fff;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-deep);}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 顶部提示条 ============ */
.topbar{background:var(--primary-soft);border-bottom:1px solid var(--border);font-size:13px;color:var(--text-2);}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar p{margin:0;line-height:1.6;}
.topbar strong{color:var(--primary-deep);font-weight:600;}
.topbar-close{background:none;border:0;color:var(--text-3);font-size:17px;line-height:1;padding:4px 8px;border-radius:6px;transition:color .18s,background .18s;}
.topbar-close:hover{color:var(--primary);background:rgba(35,97,168,.08);}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .22s ease;}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.nav-inner{display:flex;align-items:center;gap:26px;height:var(--nav-h);transition:height .22s ease;}
.site-header.is-stuck .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{position:relative;width:36px;height:36px;border-radius:10px;background:var(--primary);flex:0 0 auto;box-shadow:var(--sh-sm);}
.brand-mark::before{content:"";position:absolute;left:9px;top:9px;width:18px;height:18px;border:2px solid #fff;border-radius:50%;border-bottom-color:transparent;transform:rotate(-45deg);}
.brand-mark::after{content:"";position:absolute;left:16px;top:16px;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:color .18s ease,background .18s ease;}
.nav-link:hover{color:var(--primary);background:var(--primary-soft-2);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.mega{position:relative;}
.mega-btn{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:15px;font-weight:500;transition:color .18s,border-color .18s,background .18s;}
.mega-btn:hover{color:var(--primary);border-color:#c9dcf0;background:var(--primary-soft-2);}
.mega-btn::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .2s ease;}
.mega.is-open .mega-btn{color:var(--primary);border-color:#c9dcf0;background:var(--primary-soft-2);}
.mega.is-open .mega-btn::after{transform:translateY(1px) rotate(225deg);}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);box-shadow:var(--sh-lg);padding:26px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s ease,transform .15s ease,visibility .15s;}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px;}
.mega-list li{margin-bottom:2px;}
.mega-list a{display:block;font-size:14px;color:var(--text-2);padding:7px 0;border-radius:6px;}
.mega-list a:hover{color:var(--primary);padding-left:4px;}
.mega-post{display:flex;gap:12px;align-items:flex-start;padding:8px 0;}
.mega-post img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;}
.mega-post span{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}
.mega-cta{background:var(--primary-soft);border-radius:var(--r-card);padding:18px;display:flex;flex-direction:column;gap:8px;height:100%;}
.mega-cta b{font-size:15px;font-weight:600;color:var(--primary-deep);}
.mega-cta p{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;}
.mega-cta a{font-size:14px;font-weight:600;color:var(--primary);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;flex:0 0 auto;}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--text-2);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:#1d5596;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--primary);border-color:#bcd6ee;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--text-3);padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#c3d0dc;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--text-2);}

/* ============ 页面头带 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--primary-soft);border-bottom:1px solid var(--border);padding:0 0 68px;}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(35,97,168,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(35,97,168,.06) 1px,transparent 1px);
  background-size:34px 34px;}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:52px;align-items:center;padding-top:26px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:#fff;border:1px solid #cfe0f0;border-radius:999px;padding:5px 14px;}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-copy h1{margin-top:20px;font-size:40px;line-height:1.32;font-weight:700;color:var(--primary-deep);letter-spacing:-.2px;}
.hero-copy .hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{position:relative;}
.hero-figure::before{content:"";position:absolute;left:-14px;bottom:-14px;width:62%;height:62%;background:rgba(35,97,168,.12);border-radius:var(--r-card);}
.hero-figure img{position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-md);}

/* ============ 板块基础 ============ */
.section{padding:96px 0;}
.section.is-soft{background:var(--bg-soft);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{margin-top:14px;font-size:30px;line-height:1.4;font-weight:700;color:var(--primary-deep);}
.section-sub{margin-top:12px;font-size:16px;color:var(--text-2);}

/* ============ 内容矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.mcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.mcard:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#cfe0f0;}
.mcard:hover h3{color:var(--primary);}
.mcard h3{margin-top:16px;font-size:18px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s ease;}
.mcard p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2);}
.mcard-icon{position:relative;width:42px;height:42px;border-radius:10px;background:var(--primary-soft);flex:0 0 auto;}
.mcard-icon::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:16px;height:16px;border:2px solid var(--primary);border-radius:4px;}
.mcard-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:5px;height:5px;border-radius:50%;background:var(--accent);}
.mcard.big{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden;}
.mcard.big .mcard-media{aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.mcard.big .mcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.mcard.big:hover .mcard-media img{transform:scale(1.04);}
.mcard.big .mcard-body{padding:26px;display:flex;flex-direction:column;}
.mcard.big h3{margin-top:14px;font-size:22px;}
.mcard.big p{font-size:15.5px;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;}
.tag-accent{background:rgba(232,112,58,.12);color:var(--accent);}

/* ============ 数据条 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease;}
.stat:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.stat b{display:block;font-size:32px;line-height:1.15;font-weight:700;color:var(--primary);font-family:system-ui,-apple-system,"Segoe UI",Inter,Arial,sans-serif;letter-spacing:-.5px;}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.6;}

/* ============ 入口卡 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;color:var(--text);}
.entry-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:#cfe0f0;color:var(--text);}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-card .entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.entry-card h3{font-size:18px;font-weight:600;color:var(--text);transition:color .2s ease;}
.entry-card:hover h3{color:var(--primary);}
.entry-card p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2);}
.entry-card .entry-link{margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;color:var(--primary);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.faq-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;background:var(--primary);opacity:0;transition:opacity .2s ease;}
.faq-item.is-open{border-color:#cfe0f0;box-shadow:var(--sh-md);}
.faq-item.is-open::before{opacity:1;}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);line-height:1.65;transition:color .2s ease;}
.faq-item.is-open .faq-q{color:var(--primary);}
.sign{position:relative;flex:0 0 auto;width:16px;height:16px;margin-top:5px;}
.sign::before,.sign::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.sign::before{left:0;top:7.25px;width:16px;height:1.5px;}
.sign::after{left:7.25px;top:0;width:1.5px;height:16px;}
.faq-item.is-open .sign::after{transform:scaleY(0);opacity:0;}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 区 ============ */
.cta-band{background:var(--primary-deep);border-radius:var(--r-panel);padding:52px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.05);}
.cta-band h2{position:relative;font-size:28px;line-height:1.4;font-weight:700;color:#fff;}
.cta-band p{position:relative;margin-top:14px;font-size:15px;line-height:1.8;color:#C4D6E8;max-width:52ch;}
.cta-side{position:relative;display:flex;flex-direction:column;gap:12px;}
.cta-side .btn-primary{background:#fff;color:var(--primary-deep);}
.cta-side .btn-primary:hover{background:var(--primary-soft);color:var(--primary-deep);}
.cta-side .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.cta-side .btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:#fff;}
.cta-note{font-size:13px;color:#9FB6CC;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:#0F1B26;color:#B9C7D4;padding:68px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8FA3B5;max-width:34ch;}
.footer-credit{margin-top:14px;font-size:13px;color:#7D90A1;}
.footer-credit b{color:#B9C7D4;font-weight:600;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#A9BCCB;font-size:14px;}
.footer-links a:hover{color:#7FB2E5;}
.footer-contact li{margin-bottom:12px;font-size:14px;color:#A9BCCB;}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:15px;}
.qr{width:96px;height:96px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);margin-top:16px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#7D90A1;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:#7D90A1;}
.footer-bottom a{color:#7D90A1;}
.footer-bottom a:hover{color:#7FB2E5;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .container{padding:0 20px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-top:20px;}
  .hero-copy h1{font-size:32px;}
  .section{padding:72px 0;}
  .section-title{font-size:26px;}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .mcard.big{grid-column:span 2;grid-row:auto;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:899px){
  .main-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;margin-left:0;padding:10px 16px 18px;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--sh-md);max-height:calc(100vh - 72px);overflow-y:auto;}
  .main-nav.is-open{display:flex;}
  .nav-inner{position:relative;gap:14px;}
  .nav-link{height:46px;padding:0 12px;border-radius:8px;font-size:15px;}
  .nav-link.is-active{background:var(--primary-soft);}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-actions .mega{display:none;}
  .brand-text{font-size:17px;}
}
@media screen and (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-title{font-size:22px;}
  .hero-copy h1{font-size:28px;line-height:1.36;}
  .hero-copy .hero-sub{font-size:15.5px;}
  .page-hero{padding-bottom:48px;}
  .hero-figure::before{display:none;}
  .matrix{grid-template-columns:1fr;gap:18px;}
  .mcard.big{grid-column:span 1;}
  .mcard.big h3{font-size:19px;}
  .mcard{padding:20px;}
  .mcard.big .mcard-body{padding:20px;}
  .stat-row{grid-template-columns:1fr;gap:14px;}
  .stat{padding:22px 20px;}
  .stat b{font-size:26px;}
  .entry-card .entry-body{padding:18px 20px 22px;}
  .faq-q{padding:18px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-card);}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-dark:#1B4C86;
  --primary-soft:#E8F1FA;
  --accent:#E8703A;
  --ink:#14202B;
  --ink-2:#4A5A6A;
  --ink-3:#8A98A6;
  --line:#E6EDF4;
  --bg:#F6F8FB;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D9453D;
  --radius:12px;
  --radius-sm:8px;
  --radius-btn:10px;
  --radius-panel:14px;
  --shadow-sm:0 1px 2px rgba(20,32,43,.06);
  --shadow-md:0 8px 24px rgba(20,32,43,.08);
  --shadow-lg:0 16px 40px rgba(20,32,43,.10);
  --container:1200px;
  --nav-h:72px;
}
*,*::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","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink);letter-spacing:0;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 容器 ---------- */
.grid-container{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg);}
.section--soft{background:var(--primary-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
  font-size:32px;
  color:var(--primary-deep);
  margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}

/* ---------- 顶部提示条 ---------- */
.topbar{
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-size:13px;
  border-bottom:1px solid var(--line);
}
.topbar .grid-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar span i{color:var(--accent);margin-right:6px;}
.topbar-close{
  font-size:12px;
  color:var(--ink-3);
  padding:2px 8px;
  border-radius:999px;
  transition:background .18s ease,color .18s ease;
}
.topbar-close:hover{background:rgba(35,97,168,.10);color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-stuck{
  box-shadow:var(--shadow-md);
  background:#fff;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:700;
  font-size:19px;
  letter-spacing:.2px;
  flex:none;
}
.brand:hover{color:var(--primary-deep);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:var(--shadow-sm);
  flex:none;
}
.brand-mark::before{content:"M";}
.brand-text b{font-weight:700;}
.brand-text small{
  display:block;
  font-size:11px;
  font-weight:500;
  color:var(--ink-3);
  letter-spacing:.4px;
  line-height:1;
  margin-top:3px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:var(--radius-sm);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary-deep);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  margin-left:auto;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:10px 14px;
  border-radius:var(--radius-sm);
  transition:color .18s ease,background .18s ease;
}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--primary);background:var(--primary-soft);}
.mega-trigger i{font-size:12px;transition:transform .2s ease;}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:760px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-lg);
  padding:22px;
  display:grid;
  grid-template-columns:1.1fr 1.3fr .9fr;
  gap:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col h4{
  font-size:13px;
  color:var(--ink-3);
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:12px;
}
.mega-list li + li{margin-top:6px;}
.mega-list a{
  display:block;
  padding:7px 10px;
  border-radius:var(--radius-sm);
  font-size:14px;
  color:var(--ink-2);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.mega-list a:hover{background:var(--primary-soft);color:var(--primary);padding-left:14px;}
.mega-post{
  display:flex;
  gap:12px;
  padding:8px;
  border-radius:var(--radius-sm);
  transition:background .18s ease;
}
.mega-post:hover{background:var(--bg);}
.mega-post img{
  width:64px;height:48px;
  object-fit:cover;
  border-radius:var(--radius-sm);
  flex:none;
}
.mega-post .mp-body{min-width:0;}
.mega-post strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mega-post span{font-size:12px;color:var(--ink-3);}
.mega-entry{
  background:var(--primary-soft);
  border-radius:var(--radius);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  justify-content:space-between;
}
.mega-entry strong{font-size:15px;color:var(--primary-deep);}
.mega-entry p{font-size:13px;color:var(--ink-2);line-height:1.7;}
.mega-entry a{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.mega-entry a:hover{gap:10px;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  color:var(--primary-deep);
  font-size:16px;
  align-items:center;
  justify-content:center;
  background:#fff;
}
.nav-toggle:hover{background:var(--primary-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-md);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.btn-link:hover{border-bottom-color:var(--primary);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:20px 0 0;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C7D3DF;}
.breadcrumb .current{color:var(--ink-2);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--primary-soft);
  border-bottom:1px solid var(--line);
  padding:56px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(35,97,168,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(35,97,168,.05) 1px,transparent 1px);
  background-size:36px 36px;
  opacity:.9;
  pointer-events:none;
}
.page-hero .grid-container{position:relative;}
.hero-split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.page-hero h1{
  font-size:42px;
  line-height:1.28;
  color:var(--primary-deep);
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid rgba(35,97,168,.16);
}
.hero-meta div{border-left:1px solid rgba(35,97,168,.16);padding-left:16px;}
.hero-meta div:first-child{border-left:0;padding-left:0;}
.hero-meta strong{display:block;font-size:20px;font-weight:600;color:var(--primary-deep);line-height:1.3;}
.hero-meta span{font-size:12px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  position:relative;
  z-index:2;
}
.hero-visual::after{
  content:"";
  position:absolute;
  left:18px;
  top:18px;
  right:-18px;
  bottom:-18px;
  border-radius:var(--radius);
  background:rgba(35,97,168,.12);
  z-index:1;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  background:#fff;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.stat-strip .stat{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.stat-strip .stat:last-child{border-right:0;}
.stat-strip strong{
  display:block;
  font-size:28px;
  font-weight:600;
  color:var(--primary);
  line-height:1.2;
}
.stat-strip span{font-size:13px;color:var(--ink-3);}

/* ---------- 时间线（步骤） ---------- */
.timeline{
  position:relative;
  margin-top:8px;
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:28px;
  padding-bottom:28px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:47px;
  top:34px;
  bottom:-4px;
  width:1px;
  background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  letter-spacing:.5px;
  position:relative;
  z-index:2;
  margin-left:26px;
  box-shadow:var(--shadow-sm);
}
.tl-item.is-current .tl-num{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:24px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
  border-color:rgba(35,97,168,.2);
}
.tl-card h3{font-size:20px;margin-bottom:10px;color:var(--ink);}
.tl-card p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:500;
}
.tag--accent{background:rgba(232,112,58,.12);color:var(--accent);}

/* ---------- 双列说明卡 ---------- */
.duo-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.info-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:28px;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.info-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
  border-color:rgba(35,97,168,.2);
}
.info-card .ic-media{
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin-bottom:20px;
  background:var(--primary-soft);
}
.info-card .ic-media img{width:100%;height:100%;object-fit:cover;}
.info-card h3{font-size:20px;margin-bottom:10px;}
.info-card > p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--ink-2);
  padding:8px 0;
  border-top:1px solid var(--line);
}
.check-list li:first-child{border-top:0;}
.check-list i{color:var(--primary);font-size:13px;margin-top:7px;flex:none;}

/* ---------- 指标清单（细线分隔，非卡片） ---------- */
.metric-columns{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.metric-columns .mcol{
  padding:28px 26px 28px 0;
  border-right:1px solid var(--line);
}
.metric-columns .mcol:last-child{border-right:0;padding-right:0;}
.metric-columns .mcol:not(:first-child){padding-left:26px;}
.metric-columns h3{
  font-size:17px;
  margin-bottom:6px;
  color:var(--primary-deep);
}
.metric-columns h3 span{
  display:block;
  font-size:12px;
  color:var(--ink-3);
  font-weight:500;
  letter-spacing:.4px;
  margin-bottom:6px;
}
.metric-list li{
  font-size:15px;
  color:var(--ink-2);
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  display:flex;
  justify-content:space-between;
  gap:12px;
}
.metric-list li:last-child{border-bottom:0;}
.metric-list b{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px 24px;
}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:20px 22px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:22px;
  width:2px;height:0;
  background:var(--primary);
  border-radius:2px;
  transition:height .22s ease;
}
.faq-item[open]{
  border-color:rgba(35,97,168,.28);
  box-shadow:var(--shadow-md);
}
.faq-item[open]::before{height:22px;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  position:relative;
  flex:none;
  width:14px;height:14px;
  margin-top:6px;
  background:
    linear-gradient(var(--primary),var(--primary)) center/14px 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 14px no-repeat;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--primary),var(--primary)) center/14px 2px no-repeat;
}
.faq-item summary:hover{color:var(--primary);}
.faq-item[open] summary{color:var(--primary);margin-bottom:12px;}
.faq-item .faq-body{
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- CTA 轻量条 ---------- */
.cta-band{
  position:relative;
  background:var(--primary-deep);
  border-radius:var(--radius-panel);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.6;
}
.cta-band > *{position:relative;}
.cta-band h2{
  font-size:26px;
  color:#fff;
  margin-bottom:8px;
}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);max-width:640px;}
.cta-band .cta-actions{display:flex;gap:12px;flex:none;flex-wrap:wrap;}
.cta-band .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.cta-band .btn-primary{background:var(--accent);}
.cta-band .btn-primary:hover{background:#d4602d;}

/* ---------- 咨询表单 ---------- */
.form-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-md);
  padding:32px;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px 20px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
}
.field .req{color:var(--accent);margin-left:4px;}
.field input,
.field select,
.field textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(35,97,168,.14);
}
.field .hint{font-size:12px;color:var(--ink-3);}
.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
}
.consent input{width:16px;height:16px;margin-top:5px;flex:none;accent-color:var(--primary);}
.form-side{display:flex;flex-direction:column;gap:18px;}
.form-side .side-note{
  background:var(--primary-soft);
  border-radius:var(--radius);
  padding:20px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.form-side .side-note strong{display:block;color:var(--primary-deep);font-size:15px;margin-bottom:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F1B26;
  color:#fff;
  padding:64px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-col p{
  font-size:14px;
  color:rgba(255,255,255,.62);
  line-height:1.8;
  margin-top:16px;
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color .18s ease;
}
.footer-col ul a:hover{color:#8FB6DF;color:#9CC0E6;}
.footer-author{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:20px;
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);
}
.footer-author b{font-size:14px;color:#fff;font-weight:600;}
.footer-author span{font-size:13px;color:rgba(255,255,255,.6);}
.qr-box{
  width:112px;height:112px;
  border-radius:var(--radius-sm);
  background:repeating-conic-gradient(rgba(255,255,255,.16) 0% 25%,rgba(255,255,255,.04) 0% 50%) 50%/14px 14px;
  border:1px solid rgba(255,255,255,.16);
  margin-bottom:12px;
}
.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.66);
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-contact li i{color:var(--accent);width:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#9CC0E6;}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega-panel{width:660px;grid-template-columns:1fr 1fr;}
  .mega-col--post{display:none;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:60px 0;}
  .header-inner{min-height:64px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;
    left:0;right:0;
    top:100%;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    padding:12px 24px 20px;
    margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 10px;font-size:15px;}
  .nav-link.is-active::after{left:10px;right:auto;width:22px;bottom:6px;}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:1px solid var(--line);
    margin-top:10px;
    grid-template-columns:1fr;
    display:none;
  }
  .mega-wrap.is-open .mega-panel{display:grid;}
  .mega-wrap:hover .mega-panel{display:none;}
  .mega-wrap.is-open:hover .mega-panel{display:grid;}
  .mega-col--post{display:block;}
  .hero-split{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:32px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-strip .stat:nth-child(2){border-right:0;}
  .stat-strip .stat:nth-child(1),
  .stat-strip .stat:nth-child(2){border-bottom:1px solid var(--line);}
  .duo-grid{grid-template-columns:1fr;}
  .metric-columns{grid-template-columns:1fr;}
  .metric-columns .mcol{
    border-right:0;
    border-bottom:1px solid var(--line);
    padding:24px 0;
  }
  .metric-columns .mcol:not(:first-child){padding-left:0;}
  .metric-columns .mcol:last-child{border-bottom:0;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .page-hero{padding:40px 0 52px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:18px;margin-top:28px;}
  .hero-meta strong{font-size:18px;}
  .hero-visual::after{right:-10px;bottom:-10px;left:10px;top:10px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px;}
  .stat-strip .stat:last-child{border-bottom:0;}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-bottom:22px;}
  .tl-item::before{left:21px;top:44px;}
  .tl-num{margin-left:0;}
  .tl-card{padding:20px;}
  .info-card{padding:22px;}
  .faq-item{padding:18px;}
  .cta-band h2{font-size:21px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .form-panel{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-soft:#E8F1FA;
  --accent:#E8703A;
  --ink:#14202B;
  --ink-2:#4A5A6A;
  --ink-3:#8A98A6;
  --line:#E6EDF4;
  --bg-soft:#F6F8FB;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D9453D;
  --r-card:12px;
  --r-btn:10px;
  --r-panel:14px;
  --sh-sm:0 1px 2px rgba(20,32,43,.06);
  --sh-md:0 8px 24px rgba(20,32,43,.08);
  --sh-lg:0 16px 40px rgba(20,32,43,.10);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--white);
  font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink)}
h1{font-size:42px;letter-spacing:-.2px}
h2{font-size:30px}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 顶部提示条 */
.topbar{background:var(--primary-soft);color:var(--primary-deep);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 0}
.topbar p{display:flex;align-items:center;gap:8px}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.topbar-close{background:transparent;border:1px solid rgba(35,97,168,.25);color:var(--primary-deep);border-radius:999px;font-size:12px;padding:3px 10px;cursor:pointer;transition:background .18s ease,color .18s ease}
.topbar-close:hover{background:#fff;color:var(--primary)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:var(--sh-md)}
.nav-wrap{position:relative}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:72px}
.site-header.is-stuck .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:600;color:var(--primary-deep);flex:0 0 auto}
.brand:hover{color:var(--primary)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-sm)}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:.08em;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:8px 13px;border-radius:8px;font-size:15px;color:var(--ink-2);white-space:nowrap}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.is-active{color:var(--primary-deep);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:-2px;height:2px;border-radius:2px;background:var(--primary)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-more{position:relative}
.more-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:9px 15px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease}
.more-btn::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px)}
.more-btn:hover,.nav-more.is-open .more-btn{color:var(--primary);border-color:#cfe0f2;background:var(--primary-soft)}
.mega-panel{position:absolute;top:calc(100% + 16px);right:0;width:780px;background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-lg);padding:24px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .15s ease,transform .15s ease,visibility .15s ease;z-index:90}
.nav-more:hover .mega-panel,.nav-more.is-open .mega-panel,.nav-more:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:24px}
.mega-col h4{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:12px}
.mega-link{display:block;font-size:14px;color:var(--ink-2);padding:7px 0;border-bottom:1px dashed var(--line)}
.mega-link:last-child{border-bottom:0}
.mega-link:hover{color:var(--primary)}
.mega-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-post:last-child{border-bottom:0}
.mega-post img{width:72px;height:52px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-post span{font-size:12px;color:var(--ink-3)}
.mega-entry{background:var(--primary-soft);border-radius:var(--r-card);padding:18px;display:block}
.mega-entry b{display:block;font-size:15px;color:var(--primary-deep);margin-bottom:6px}
.mega-entry span{font-size:13px;color:var(--ink-2);display:block;line-height:1.7}
.mega-entry em{display:inline-block;margin-top:10px;font-style:normal;font-size:13px;font-weight:600;color:var(--primary)}
.mega-entry:hover{background:#dceaf8}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer;margin-left:auto}
.nav-toggle span{width:18px;height:2px;background:var(--ink-2);border-radius:2px;display:block}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);padding:12px 22px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:#1d5490;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-link{color:var(--primary);font-weight:600;font-size:14px;border-bottom:1px solid transparent}
.btn-link:hover{border-bottom-color:var(--primary)}

/* 面包屑 */
.crumb{padding:18px 0 0;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{margin:0 8px;color:#c6d2dd}
.crumb strong{font-weight:600;color:var(--ink-2)}

/* 页头带 */
.page-hero{position:relative;background:var(--primary-soft);padding:56px 0 64px;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(35,97,168,.35) 1px,transparent 1px);background-size:22px 22px;opacity:.06;pointer-events:none}
.page-hero .grid-x{position:relative;z-index:1;align-items:center}
.page-hero h1{font-size:40px;color:var(--primary-deep)}
.page-hero .lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #d7e6f5;color:var(--primary);font-size:13px;border-radius:999px;padding:5px 12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-figure{position:relative;margin-top:8px}
.hero-figure::before{content:"";position:absolute;left:-14px;top:14px;right:14px;bottom:-14px;background:#d7e6f5;border-radius:var(--r-card);z-index:0}
.hero-figure img{position:relative;z-index:1;width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-md)}

/* 数据条 */
.stat-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.stat-strip .grid-x{padding:32px 0}
.stat{padding:0 8px}
.stat+.stat{border-left:1px solid var(--line)}
.stat b{display:block;font-size:24px;font-weight:600;color:var(--primary-deep);line-height:1.3}
.stat span{font-size:13px;color:var(--ink-3)}

/* 图文交替 */
.split{padding:88px 0}
.split--soft{background:var(--bg-soft)}
.split .grid-x{align-items:center}
.split-media{position:relative;padding:0 12px 12px 0}
.split-media::after{content:"";position:absolute;right:0;bottom:0;width:58%;height:58%;border-right:1px solid #d7e6f5;border-bottom:1px solid #d7e6f5;border-radius:0 0 var(--r-card) 0;z-index:0}
.split-media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-md)}
.split-text{padding:0 8px}
.split-text h2{font-size:28px;margin-bottom:14px}
.split-text p{color:var(--ink-2);font-size:16px}
.mini-list{margin-top:20px;border-top:1px solid var(--line)}
.mini-list li{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.mini-list li b{color:var(--ink);font-weight:600;flex:0 0 auto}
.mini-list .tick{flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;margin-top:5px}

/* 清单（非卡片） */
.check-list{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.check-col{border-top:2px solid var(--primary);padding-top:18px}
.check-col h3{font-size:19px;margin-bottom:6px}
.check-col .col-sub{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.check-col li{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)}
.check-col li:last-child{border-bottom:0}
.check-col li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:10px;flex:0 0 auto}

/* 入口卡 */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(35,97,168,.35)}
.entry-card .badge{display:inline-block;font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:3px 10px;margin-bottom:14px}
.entry-card h3{font-size:18px;transition:color .18s ease}
.entry-card:hover h3{color:var(--primary)}
.entry-card p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.entry-card .more{display:block;margin-top:16px;font-size:14px;font-weight:600;color:var(--primary)}

/* CTA */
.cta-band{background:var(--primary-deep);color:#fff;border-radius:var(--r-panel);padding:44px;display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;box-shadow:var(--sh-md)}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{margin-top:12px;color:#c3d5e8;font-size:15px;max-width:640px}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* 页脚 */
.site-footer{background:#0F1B26;color:#cfd9e3;padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;margin-bottom:14px}
.footer-brand .brand-mark{background:#2361A8}
.site-footer p{font-size:14px;color:#93a4b5;line-height:1.9}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links a{display:block;font-size:14px;color:#b7c4d1;padding:6px 0}
.footer-links a:hover{color:#8cb8e6}
.footer-sign{font-size:13px;color:#8a98a6;line-height:1.9}
.footer-sign b{color:#cfd9e3;font-weight:600}
.qr-box{width:96px;height:96px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:12px;color:#8a98a6;margin-bottom:12px;text-align:center;padding:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8a98a6}
.footer-bottom a{color:#8a98a6}
.footer-bottom a:hover{color:#8cb8e6}

/* 响应式 */
@media (max-width:1199px){
  .mega-panel{width:660px}
  .mega-grid{grid-template-columns:1fr 1fr}
  .mega-col--entry{display:none}
}
@media (max-width:1024px){
  h1{font-size:34px}
  .page-hero h1{font-size:32px}
  .nav-inner{gap:12px}
  .nav-link{padding:8px 10px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .check-list{grid-template-columns:1fr 1fr}
  .entry-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:899px){
  .nav-toggle{display:flex}
  .nav-actions{margin-left:0}
  .nav-more,.nav-cta{display:none}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--sh-md);padding:10px 16px 16px;margin:0}
  .main-nav .nav-link{padding:12px 4px;border-bottom:1px dashed var(--line);border-radius:0}
  .main-nav .nav-link:last-child{border-bottom:0}
  .main-nav .nav-link.is-active::after{left:4px;right:auto;width:28px;bottom:8px}
  .nav-open .main-nav{display:flex}
  .section{padding:72px 0}
  .split{padding:64px 0}
  .split-media{margin-bottom:28px;padding:0 10px 10px 0}
  .split--reverse .split-text{order:1}
  .split--reverse .split-media{order:2}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .cta-band .cta-actions{align-items:flex-start}
  .stat-strip .grid-x{padding:24px 0}
  .stat{padding:12px 8px}
  .stat+.stat{border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:640px){
  .container{padding:0 18px}
  h1{font-size:28px}
  h2{font-size:22px}
  .page-hero{padding:40px 0 48px}
  .page-hero h1{font-size:28px}
  .section{padding:56px 0}
  .split{padding:52px 0}
  .split-text h2{font-size:22px}
  .stat b{font-size:20px}
  .check-list{grid-template-columns:1fr;gap:24px}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-band{padding:24px}
  .site-footer{margin-top:56px;padding-top:44px}
}

/* roulang page: category4 */
:root{
  --primary:#2361A8;
  --primary-deep:#163E6B;
  --primary-soft:#E8F1FA;
  --accent:#E8703A;
  --ink:#14202B;
  --ink-2:#4A5A6A;
  --ink-3:#8A98A6;
  --line:#E6EDF4;
  --bg-soft:#F6F8FB;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D9453D;
  --r-card:12px;
  --r-btn:10px;
  --r-img:8px;
  --r-panel:14px;
  --sh-sm:0 1px 2px rgba(20,32,43,.06);
  --sh-md:0 8px 24px rgba(20,32,43,.08);
  --sh-lg:0 16px 40px rgba(20,32,43,.10);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:16px;line-height:1.8;color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--primary-deep);letter-spacing:.1px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x{margin-bottom:0;}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--primary-soft);border-bottom:1px solid #d5e5f5;font-size:13px;color:var(--primary-deep);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;}
.topbar-text{display:flex;align-items:center;gap:8px;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.topbar-close{background:none;border:0;color:var(--ink-3);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:6px;}
.topbar-close:hover{color:var(--primary);background:#fff;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--primary-deep);flex:0 0 auto;}
.brand:hover{color:var(--primary);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;box-shadow:var(--sh-sm);flex:0 0 auto;}
.brand-name{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{position:relative;display:inline-block;padding:9px 13px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary-deep);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink-2);font-size:14px;font-weight:500;cursor:pointer;transition:.18s ease;}
.mega-trigger:hover,.mega-trigger:focus{border-color:#bcd5ee;color:var(--primary);}
.mega-trigger .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;display:inline-block;}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh-lg);padding:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
  z-index:90;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-wrap:hover .mega-trigger{border-color:var(--primary);color:var(--primary);}
.mega-grid{display:flex;gap:24px;}
.mega-col{flex:1 1 0;min-width:0;}
.mega-col--wide{flex:1.3 1 0;}
.mega-title{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.4px;margin-bottom:12px;}
.mega-list li + li{margin-top:4px;}
.mega-list a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--ink-2);}
.mega-list a:hover{background:var(--primary-soft);color:var(--primary);}
.mega-entry{display:block;background:var(--primary-soft);border-radius:var(--r-card);padding:16px;transition:.18s ease;}
.mega-entry:hover{background:#dbeaf8;transform:translateY(-1px);}
.mega-entry strong{display:block;font-size:15px;color:var(--primary-deep);font-weight:600;margin-bottom:4px;}
.mega-entry span{font-size:13px;color:var(--ink-2);}
.mega-arrow{display:inline-block;margin-left:4px;color:var(--primary);}

.nav-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;padding:0;place-items:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-2);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#1c528f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);background:#17456F;box-shadow:var(--sh-sm);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#c3d9ee;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;border-bottom:1px solid transparent;}
.btn-text:hover{border-bottom-color:var(--primary);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;margin:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:#fff;border:1px solid #cfe2f4;border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.section--soft .eyebrow{background:#fff;}
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:3px 10px;}
.badge-accent{color:#fff;background:var(--accent);}

/* ---------- 页面头带 ---------- */
.page-hero{position:relative;background:var(--primary-soft);padding:52px 0 88px;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(35,97,168,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(35,97,168,.055) 1px,transparent 1px);
  background-size:30px 30px;
}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{margin:0 7px;color:#b6c3cf;font-weight:300;}
.breadcrumb .current{color:var(--ink-2);}
.page-hero h1{font-size:42px;line-height:1.28;margin-bottom:16px;color:var(--primary-deep);}
.page-hero .lead{max-width:620px;font-size:17px;line-height:1.8;color:var(--ink-2);margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media-wrap{position:relative;padding:0 18px 18px 0;}
.hero-media-wrap::before{content:"";position:absolute;right:0;bottom:0;width:78%;height:78%;background:#d5e6f6;border-radius:var(--r-card);}
.media{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--primary-soft);}
.media img{width:100%;height:100%;object-fit:cover;}
.media--4x3{aspect-ratio:4/3;}
.media--16x9{aspect-ratio:16/9;}
.media--5x4{aspect-ratio:5/4;}
.hero-media-wrap .media{position:relative;z-index:2;box-shadow:var(--sh-lg);}

/* ---------- 数据条 ---------- */
.stats-bar{
  position:relative;z-index:5;margin-top:-56px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh-md);padding:26px 8px;
}
.stat{padding:6px 18px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat-num{font-size:26px;font-weight:600;color:var(--primary-deep);line-height:1.4;}
.stat-num em{font-style:normal;font-size:14px;font-weight:500;color:var(--ink-2);margin-left:3px;}
.stat-label{font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh-sm);padding:8px 24px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 44px 20px 18px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:24px;width:2px;height:0;background:var(--primary);border-radius:2px;transition:height .2s ease;}
.faq-item summary::after{
  content:"";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;
  background-image:linear-gradient(var(--ink-3),var(--ink-3)),linear-gradient(var(--ink-3),var(--ink-3));
  background-size:14px 1.5px,1.5px 14px;background-position:center;background-repeat:no-repeat;
  transition:transform .2s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::before{height:18px;}
.faq-item[open] summary::after{background-image:linear-gradient(var(--primary),var(--primary));}
.faq-body{padding:0 44px 22px 18px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-body p{margin:0;}
.faq-link{margin-top:10px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.faq-link:hover{color:var(--primary-deep);}

/* ---------- 咨询表单 ---------- */
.contact-wrap{background:var(--primary-soft);border-radius:var(--r-panel);padding:40px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-md);padding:32px;}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-intro{font-size:14px;color:var(--ink-2);margin-bottom:24px;}
.field{margin-bottom:20px;}
.field-label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field-label .req{color:var(--accent);margin-left:2px;}
.field-input,.field-select,.field-textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid #d9e4ee;border-radius:var(--r-btn);
  background:#fff;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field-textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field-select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(#4A5A6A,#4A5A6A),linear-gradient(#4A5A6A,#4A5A6A);
  background-size:10px 1.5px,1.5px 10px;
  background-position:calc(100% - 20px) 22px,calc(100% - 15px) 18px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field-input::placeholder,.field-textarea::placeholder{color:#a9b5c1;}
.field-input:focus,.field-select:focus,.field-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,97,168,.12);}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.checkbox-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:0 0 auto;}
.form-tip{margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:#EAF7F0;border:1px solid #c6e8d6;color:var(--ok);font-size:14px;font-weight:500;}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--ink-3);}
.point-list{display:flex;flex-direction:column;gap:16px;}
.point-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.75;}
.point-icon{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:#fff;border:1px solid #bcd5ee;display:grid;place-items:center;margin-top:4px;}
.point-icon::after{content:"";width:9px;height:5px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg) translate(1px,-1px);}
.contact-side-title{font-size:20px;color:var(--primary-deep);margin-bottom:20px;}
.contact-side-note{margin-top:24px;background:#fff;border:1px dashed #c3d9ee;border-radius:var(--r-card);padding:18px 20px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.contact-side-note strong{color:var(--primary-deep);}

/* ---------- 卡片通用 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;overflow:hidden;height:100%;display:flex;flex-direction:column;}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#cfe0f0;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:18px;line-height:1.5;margin:12px 0 10px;transition:color .18s ease;}
.card:hover .card-body h3{color:var(--primary);}
.card-body p{font-size:15px;line-height:1.7;color:var(--ink-2);margin:0 0 18px;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);padding-top:14px;border-top:1px solid var(--line);}
.card-meta .go{color:var(--primary);font-weight:600;}

/* ---------- 入口区 ---------- */
.entry-grid{display:flex;flex-wrap:wrap;gap:16px;}
.entry-card{flex:1 1 220px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-sm);transition:.2s ease;font-size:15px;font-weight:600;color:var(--primary-deep);}
.entry-card:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-md);}
.entry-card .arrow{color:var(--primary);font-weight:600;}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--primary-deep);color:#fff;padding:64px 0;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:#c8dbee;font-size:16px;margin-bottom:0;max-width:640px;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B26;color:#c3d2e0;padding:64px 0 0;font-size:14px;}
.footer-grid{padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-desc{color:#9db0c3;font-size:14px;line-height:1.8;max-width:330px;margin-bottom:14px;}
.footer-note{color:#8fa3b6;font-size:13px;margin:0;}
.footer-note b{color:#e3edf7;font-weight:600;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-list li+li{margin-top:10px;}
.footer-list a{color:#9db0c3;}
.footer-list a:hover{color:#7fb6ea;}
.footer-qr{width:104px;height:104px;border-radius:var(--r-img);background:#1b2b3a;border:1px solid #24384b;display:grid;place-items:center;color:#5f7488;font-size:12px;text-align:center;line-height:1.5;}
.footer-contact{color:#9db0c3;line-height:1.9;}
.footer-contact strong{color:#e3edf7;font-weight:600;}
.footer-bottom{border-top:1px solid #1c2b3a;padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7d90a3;}
.footer-bottom a{color:#7fb6ea;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .page-hero h1{font-size:38px;}
  .mega-panel{width:640px;}
}
@media screen and (max-width:1023px){
  .nav-bar{height:64px;gap:12px;}
  .nav-toggle{display:grid;}
  .main-nav{
    display:none;position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-md);
    padding:12px 16px 18px;margin:0;max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:16px;}
  .nav-link.is-active::after{left:14px;right:auto;width:22px;}
  .mega-wrap{display:none;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-hero{padding:40px 0 72px;}
  .page-hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
  .contact-wrap{padding:28px;}
  .stats-bar{margin-top:-48px;padding:18px 4px;}
  .stat{border-left:0;border-top:1px solid var(--line);padding:14px 6px;}
  .stat:first-child{border-top:0;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .page-hero{padding:32px 0 64px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-media-wrap{margin-top:32px;padding:0 12px 12px 0;}
  .faq-panel{padding:4px 16px;}
  .faq-item summary{padding:18px 40px 18px 16px;font-size:15px;}
  .faq-body{padding:0 40px 20px 16px;font-size:14px;}
  .form-card{padding:24px 20px;}
  .contact-wrap{padding:16px;border-radius:var(--r-card);}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .card-body{padding:18px 20px 20px;}
  .footer-grid>div{margin-bottom:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media screen and (max-width:519px){
  .topbar-text span.topbar-long{display:none;}
  .brand-name{font-size:17px;}
  .btn{height:46px;padding:0 18px;font-size:15px;}
  .stat-num{font-size:22px;}
  .field-input,.field-select,.field-textarea{font-size:16px;}
}