/* roulang page: index */
:root{
  --primary:#1B3A6B;--primary-dark:#12294D;--primary-soft:#E7EEF9;
  --accent:#2E8FB8;--gold:#E3A63A;--ok:#2F9E6E;
  --bg:#F5F7FB;--card:#FFFFFF;--line:#E3E8F2;
  --ink:#1F2A3C;--sub:#5A6B85;--muted:#8A99B3;
  --r-card:14px;--r-btn:10px;--r-img:12px;
  --sh:0 1px 2px rgba(27,58,107,.06),0 8px 24px rgba(27,58,107,.08);
  --sh-hover:0 2px 4px rgba(27,58,107,.08),0 14px 32px rgba(27,58,107,.12);
  --header-h:118px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink);}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%!important;max-width:1200px!important;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.container{max-width:1280px!important;}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px;}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .2s ease;}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 10px 22px rgba(18,41,77,.22);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(18,41,77,.2);}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.55;cursor:not-allowed;}

/* ===== 头部 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.compact{box-shadow:0 6px 20px rgba(27,58,107,.09);}
.brand-row{padding:14px 0;transition:padding .2s ease;}
.site-header.compact .brand-row{padding:8px 0;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--primary);}
.brand:hover{color:var(--primary-dark);}
.brand svg{width:26px;height:26px;flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-0.01em;white-space:nowrap;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.search{position:relative;display:flex;align-items:center;}
.search i{position:absolute;left:14px;font-size:13px;color:var(--muted);pointer-events:none;}
.search input{width:250px;padding:10px 16px 10px 38px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px;transition:all .18s ease;}
.search input::placeholder{color:var(--muted);}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,143,184,.12);}
.channel-row{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;padding:8px 0;}
.channels::-webkit-scrollbar{display:none;}
.channel{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--sub);white-space:nowrap;transition:all .18s ease;}
.channel:hover{background:var(--primary-soft);color:var(--primary);}
.channel.active{background:var(--primary);color:#fff;font-weight:600;}

/* ===== 锚点导航 ===== */
.anchor-bar{position:sticky;top:var(--header-h);z-index:1020;background:rgba(245,247,251,.96);border-bottom:1px solid var(--line);}
.anchor-inner{display:flex;align-items:center;gap:18px;padding:10px 24px;}
.anchor-label{font-size:13px;color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:6px;}
.anchor-label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.anchor-links{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;}
.anchor-links::-webkit-scrollbar{display:none;}
.anchor-links a{padding:6px 14px;border-radius:999px;font-size:14px;color:var(--sub);white-space:nowrap;transition:all .18s ease;}
.anchor-links a:hover{background:#fff;color:var(--primary);}
.anchor-links a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;padding:76px 0 80px;background:var(--bg);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(circle at 12% 22%, #1B3A6B 1.4px, transparent 1.6px),
    radial-gradient(circle at 68% 12%, #1B3A6B 1.2px, transparent 1.4px),
    radial-gradient(circle at 88% 46%, #1B3A6B 1.5px, transparent 1.7px),
    radial-gradient(circle at 34% 74%, #1B3A6B 1.2px, transparent 1.4px),
    radial-gradient(circle at 56% 52%, #1B3A6B 1px, transparent 1.2px);
  background-size:340px 340px,420px 420px,300px 300px,380px 380px,260px 260px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--sub);margin-bottom:22px;}
.eyebrow i{color:var(--accent);font-size:12px;}
.hero h1{font-size:46px;line-height:1.25;font-weight:700;color:var(--primary-dark);margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--sub);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px;}
.hero-note{font-size:13px;color:var(--muted);margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--sub);}
.hero-points i{color:var(--accent);font-size:13px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:var(--primary-soft);box-shadow:var(--sh);}
.float-card{position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;box-shadow:var(--sh);display:flex;align-items:center;gap:12px;}
.float-card .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:0 0 auto;box-shadow:0 0 0 4px rgba(47,158,110,.15);}
.float-card strong{display:block;font-size:14px;font-weight:600;color:var(--ink);}
.float-card span{font-size:12px;color:var(--muted);}

/* ===== 分区 ===== */
.section{position:relative;padding:88px 0;}
.section::before{content:"";position:absolute;top:0;left:24px;width:33%;max-width:340px;height:1px;background:var(--line);}
.sec-head{margin-bottom:48px;max-width:760px;}
.sec-no{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:16px;}
.sec-no i{font-size:11px;color:var(--accent);}
.sec-head h2{font-size:32px;line-height:1.3;margin-bottom:14px;color:var(--primary-dark);}
.sec-lead{font-size:16px;line-height:1.8;color:var(--sub);margin:0;}

/* ===== 卖点横条 ===== */
.feature-list{display:flex;flex-direction:column;gap:28px;}
.feature-item{display:grid;grid-template-columns:56px 1fr 320px;gap:28px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh);transition:all .2s ease;}
.feature-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.feature-item.reverse{grid-template-columns:320px 1fr 56px;}
.feature-item.reverse .feature-num{order:3;}
.feature-item.reverse .feature-body{order:2;}
.feature-item.reverse .feature-media{order:1;}
.feature-num{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;}
.feature-body h3{font-size:20px;line-height:1.5;margin-bottom:10px;}
.feature-body p{font-size:15px;color:var(--sub);margin-bottom:14px;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--primary-soft);}

/* ===== 演示区 ===== */
.demo-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.demo-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);background:var(--primary-soft);box-shadow:var(--sh);}
.steps{display:flex;flex-direction:column;gap:18px;}
.step{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh);transition:all .2s ease;}
.step:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.step-num{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;}
.step h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.step p{font-size:15px;color:var(--sub);margin:0;}

/* ===== 证据区 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);text-align:left;}
.stat-num{font-size:32px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:-0.02em;}
.stat-label{font-size:14px;color:var(--sub);margin-top:6px;}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px;}
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);}
.quote-stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-bottom:12px;}
.quote p{font-size:15px;color:var(--ink);line-height:1.8;margin-bottom:16px;}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.quote-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;}
.industry-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:20px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);}
.industry-row span.title{font-size:13px;color:var(--muted);margin-right:6px;}
.industry-chip{padding:6px 16px;border-radius:8px;background:#F2F5FA;color:var(--sub);font-size:13px;filter:grayscale(1);opacity:.9;}

/* ===== 价格 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh);transition:all .2s ease;}
.price-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.price-card.featured{border-color:var(--primary);border-width:1.5px;}
.price-badge{position:absolute;top:-13px;left:26px;padding:4px 14px;border-radius:999px;background:var(--gold);color:#3A2A08;font-size:12px;font-weight:600;}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-desc{font-size:14px;color:var(--sub);margin-bottom:18px;}
.price-amount{font-size:30px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:-0.02em;}
.price-amount small{font-size:14px;font-weight:400;color:var(--muted);margin-left:6px;letter-spacing:0;}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--sub);line-height:1.7;}
.price-list i{color:var(--accent);font-size:12px;margin-top:6px;flex:0 0 auto;}
.price-foot{font-size:12px;color:var(--muted);text-align:center;margin-top:16px;}

/* ===== 最新信息 ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.news-head .sec-head{margin-bottom:0;}
.link-more{font-size:15px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.link-more:hover{color:var(--primary);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-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);transition:all .2s ease;}
.news-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.news-thumb{display:block;overflow:hidden;background:var(--primary-soft);aspect-ratio:16/9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--muted);font-size:26px;background:linear-gradient(135deg,#E7EEF9,#F2F5FA);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge-soft{display:inline-block;align-self:flex-start;padding:3px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;margin-bottom:12px;}
.news-title{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--primary);}
.news-excerpt{font-size:14px;color:var(--sub);line-height:1.75;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);gap:12px;}
.news-foot a{color:var(--accent);font-weight:600;}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:220px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;padding:32px;}
.news-empty-icon{font-size:26px;color:var(--muted);}
.news-empty p{font-size:15px;color:var(--sub);margin:0;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);overflow:hidden;}
.faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .18s ease;}
.faq-btn:hover{color:var(--primary);}
.faq-btn .faq-icon{flex:0 0 auto;width:22px;height:22px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:transform .22s ease,color .22s ease;}
.faq-btn[aria-expanded="true"] .faq-icon{transform:rotate(180deg);color:var(--primary);}
.faq-btn[aria-expanded="true"]{color:var(--primary);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--sub);}

/* ===== 底部转化 ===== */
.cta-section{padding:88px 0;}
.cta-box{position:relative;display:grid;grid-template-columns:1fr 460px;gap:48px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:48px;box-shadow:var(--sh);overflow:hidden;}
.cta-box::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:var(--primary-soft);opacity:.6;pointer-events:none;}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:30px;line-height:1.3;margin-bottom:16px;color:var(--primary-dark);}
.cta-copy p{font-size:15px;color:var(--sub);max-width:520px;}
.cta-mini{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;}
.cta-mini li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--sub);}
.cta-mini i{color:var(--accent);font-size:12px;}
.lead-form{position:relative;z-index:1;background:#FBFCFE;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;}
.field{margin-bottom:16px;}
.field:last-of-type{margin-bottom:20px;}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:15px;transition:all .18s ease;}
.field textarea{resize:vertical;min-height:88px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,143,184,.12);}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);}
.form-tip{display:none;margin-top:14px;padding:10px 14px;border-radius:10px;background:#E9F7F0;border:1px solid #C9EBDC;color:var(--ok);font-size:13px;}
.form-tip.show{display:block;}
.form-note{font-size:12px;color:var(--muted);margin:12px 0 0;}

/* ===== 浮动 CTA ===== */
.float-cta{position:fixed;right:24px;bottom:28px;z-index:1040;display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;box-shadow:0 12px 28px rgba(18,41,77,.28);transition:all .2s ease;}
.float-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);}
.float-cta i{color:#fff;font-size:13px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-dark);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:24px;height:24px;}
.footer-brand span{font-size:18px;font-weight:700;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;margin-bottom:0;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;line-height:1.8;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);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,.6);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero h1{font-size:40px;}
  .hero-grid{gap:40px;}
  .feature-item{grid-template-columns:52px 1fr 260px;gap:22px;}
  .feature-item.reverse{grid-template-columns:260px 1fr 52px;}
  .cta-box{grid-template-columns:1fr;gap:32px;padding:36px;}
}
@media (max-width:991px){
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero-sub{max-width:100%;}
  .hero-visual img{aspect-ratio:16/10;}
  .float-card{left:16px;bottom:16px;}
  .feature-item,.feature-item.reverse{grid-template-columns:52px 1fr;}
  .feature-item.reverse .feature-num{order:1;}
  .feature-item.reverse .feature-body{order:2;}
  .feature-item.reverse .feature-media{order:3;grid-column:1/-1;}
  .feature-media{grid-column:1/-1;}
  .demo-wrap{grid-template-columns:1fr;gap:32px;}
  .demo-visual img{aspect-ratio:16/10;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;max-width:520px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search input{width:200px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .cta-section{padding:56px 0;}
  .sec-head h2{font-size:26px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .brand-name{font-size:17px;}
  .search{display:none;}
  .stats{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .brand-inner{gap:12px;}
  .anchor-inner{padding:8px 16px;gap:12px;}
  .anchor-label{display:none;}
  body{padding-bottom:76px;}
  .float-cta{right:0;bottom:0;left:0;width:100%;border-radius:0;justify-content:center;padding:16px 20px;padding-bottom:calc(16px + env(safe-area-inset-bottom));font-size:15px;}
  .float-cta:hover{transform:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-box{padding:26px;}
}
@media (max-width:575px){
  .hero h1{font-size:27px;line-height:1.35;}
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:8px;}
  .stats{grid-template-columns:1fr;}
  .price-amount{font-size:26px;}
  .news-body{padding:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .feature-item:hover,.step:hover,.news-card:hover,.price-card:hover,.float-cta:hover{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#1B3A6B;
  --ink-deep:#12294D;
  --ink-soft:#E7EEF9;
  --cyan:#2E8FB8;
  --gold:#E3A63A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --line:#E3E8F2;
  --text:#1F2A3C;
  --text-sub:#5A6B85;
  --text-mute:#8A99B3;
  --success:#2F9E6E;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(27,58,107,.06),0 8px 24px rgba(27,58,107,.08);
  --shadow-2:0 2px 4px rgba(27,58,107,.08),0 14px 32px rgba(27,58,107,.12);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-deep);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 18px;padding-left:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(27,58,107,.08);}
.brand-row{padding:12px 0;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-deep);}
.brand:hover{color:var(--ink-deep);}
.brand svg{width:26px;height:26px;flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.search{
  display:flex;align-items:center;gap:8px;
  background:#F1F4FA;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  min-width:260px;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.search i{color:var(--text-mute);font-size:13px;}
.search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--text-mute);}
.search:focus-within{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 3px rgba(46,143,184,.12);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:11px 22px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 1px 2px rgba(27,58,107,.12);}
.btn-primary:hover{background:var(--ink-deep);color:#fff;box-shadow:0 8px 20px rgba(27,58,107,.22);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink-soft);color:var(--ink);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn[disabled],.btn.disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}
.channel-row{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;}
.channels{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;
  padding:0;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-block;
  padding:12px 14px;
  font-size:15px;
  color:var(--text-sub);
  border-radius:8px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.channel:hover{color:var(--ink);background:var(--ink-soft);}
.channel.active{color:var(--ink);font-weight:600;}
.channel.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--ink);border-radius:2px;
}

/* ===== 面包屑 ===== */
.crumb-bar{padding:22px 0 4px;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-mute);
}
.crumbs a{color:var(--text-mute);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{color:#C3CCDC;}
.crumbs .current{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头 ===== */
.article-head{padding:18px 0 34px;border-bottom:1px solid var(--line);}
.article-head .tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--ink-soft);color:var(--ink);
  font-size:12px;font-weight:600;
  padding:5px 14px;border-radius:999px;
  margin-bottom:16px;
}
.article-head .tag-pill i{font-size:11px;color:var(--cyan);}
.article-title{
  font-size:38px;line-height:1.32;font-weight:700;
  color:var(--ink-deep);
  max-width:900px;
  margin-bottom:18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-sub);
}
.meta-row .dot{color:#C3CCDC;}
.meta-row i{color:var(--cyan);margin-right:5px;font-size:12px;}

/* ===== 正文布局 ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  padding:44px 0 20px;
  align-items:start;
}
.article-main{max-width:780px;}
.article-body{font-size:16px;line-height:1.78;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:23px;line-height:1.4;font-weight:700;
  margin:38px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--ink);
  color:var(--ink-deep);
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;
  margin:28px 0 12px;color:var(--ink-deep);
}
.article-body h4{
  font-size:16px;font-weight:600;margin:22px 0 10px;color:var(--ink);
}
.article-body p{margin:0 0 18px;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--ink);}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--ink-soft);
  border-left:3px solid var(--ink);
  border-radius:0 10px 10px 0;
  color:var(--ink-deep);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;list-style:none;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:2px;background:var(--ink);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;
  font-size:13px;font-weight:700;color:var(--cyan);
}
.article-body img{
  width:100%;height:auto;border-radius:var(--r-img);
  margin:22px 0 8px;background:#EEF2F9;object-fit:cover;
}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--text-mute);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body th{background:var(--ink-soft);color:var(--ink-deep);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body strong{color:var(--ink-deep);}

.empty-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:56px 32px;
  text-align:center;
}
.empty-box .empty-icon{
  width:56px;height:56px;border-radius:50%;
  background:var(--ink-soft);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.empty-box h2{font-size:20px;margin-bottom:10px;}
.empty-box p{color:var(--text-sub);font-size:15px;margin-bottom:22px;}

/* ===== 侧栏 ===== */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:112px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink-deep);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--gold);display:inline-block;
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{
  display:flex;align-items:flex-start;gap:8px;
  font-size:14px;color:var(--text-sub);line-height:1.55;
}
.side-list a i{color:var(--cyan);font-size:11px;margin-top:6px;flex:0 0 auto;}
.side-list a:hover{color:var(--ink);}
.side-note{font-size:13px;color:var(--text-mute);line-height:1.7;margin:0;}
.side-cta{
  background:var(--ink-deep);
  border-radius:var(--r-card);
  padding:24px 22px;
  color:#fff;
}
.side-cta h3{color:#fff;font-size:16px;margin-bottom:8px;}
.side-cta h3::before{background:var(--gold);}
.side-cta p{color:rgba(255,255,255,.72);font-size:13px;line-height:1.7;margin-bottom:16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--ink-deep);border-color:#fff;}
.side-cta .btn:hover{background:var(--ink-soft);color:var(--ink-deep);}

/* ===== 相关推荐 ===== */
.related-section{padding:56px 0 20px;border-top:1px solid var(--line);margin-top:32px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:26px;
}
.section-head h2{font-size:26px;line-height:1.3;}
.section-head .link-more{font-size:14px;font-weight:600;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.rel-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease);
}
.rel-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.rel-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:#EEF2F9;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-badge{
  align-self:flex-start;
  background:var(--ink-soft);color:var(--ink);
  font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;
}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-deep);}
.rel-card:hover .rel-body h3{color:var(--ink);}
.rel-body p{
  font-size:14px;color:var(--text-sub);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-mute);
}
.rel-foot a{font-weight:600;color:var(--cyan);}
.rel-foot a:hover{color:var(--ink);}

.back-line{padding:26px 0 10px;}
.link-under{font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}

/* ===== 转化区 ===== */
.cta-section{padding:64px 0 8px;}
.cta-box{
  background:linear-gradient(160deg,#1B3A6B 0%,#12294D 100%);
  border-radius:18px;
  padding:48px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:32px;align-items:center;
  color:#fff;
}
.cta-box h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:12px;}
.cta-box p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-primary{background:#fff;color:var(--ink-deep);}
.cta-actions .btn-primary:hover{background:var(--ink-soft);color:var(--ink-deep);}
.cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-deep);
  color:#fff;
  margin-top:72px;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand svg{width:24px;height:24px;}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);margin:0;max-width:320px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a,.footer-col p{
  font-size:14px;color:rgba(255,255,255,.7);
}
.site-footer ul a:hover{color:var(--cyan);}
.footer-col p{margin:0 0 8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;
  padding:13px 22px;border-radius:999px;
  font-size:15px;font-weight:600;
  box-shadow:0 10px 28px rgba(27,58,107,.28);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.float-cta:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 34px rgba(27,58,107,.32);}
.float-cta i{color:var(--gold);font-size:13px;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-main{max-width:none;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;gap:20px;}
  .side-col > *{flex:1 1 280px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .article-title{font-size:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:1fr;padding:36px;gap:24px;}
  .brand-tools .btn{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-name{font-size:17px;}
  .search{min-width:0;width:100%;max-width:200px;}
  .channel{padding:10px 12px;font-size:14px;}
  .article-title{font-size:26px;line-height:1.4;}
  .article-head{padding:14px 0 26px;}
  .crumbs .current{max-width:180px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:22px;}
  .cta-box{padding:28px 22px;}
  .cta-box h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;height:56px;padding:0 16px 0;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(27,58,107,.18);
  }
  body{padding-bottom:76px;}
}
@media (max-width:575px){
  .brand-tools{gap:8px;}
  .search{max-width:150px;padding:7px 12px;}
  .search input{font-size:13px;}
  .article-title{font-size:23px;}
  .meta-row{font-size:12px;gap:8px;}
  .side-card{padding:18px;}
  .crumbs{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .rel-card:hover{transform:none;}
  .float-cta:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#1B3A6B;
  --ink-deep:#12294D;
  --ink-soft:#E7EEF9;
  --cyan:#2E8FB8;
  --gold:#E3A63A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --line:#E3E8F2;
  --text:#1F2A3C;
  --muted:#5A6B85;
  --faint:#8A99B3;
  --success:#2F9E6E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(27,58,107,.06),0 8px 24px rgba(27,58,107,.08);
  --shadow-2:0 2px 4px rgba(27,58,107,.08),0 14px 32px rgba(27,58,107,.12);
  --ease:200ms ease;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink)}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:576px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font);
  font-size:15.5px;
  font-weight:600;
  line-height:1.4;
  padding:12px 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;box-shadow:0 6px 18px rgba(18,41,77,.22)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink-soft);color:var(--ink)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px}
.btn-light{background:#fff;border-color:#fff;color:var(--ink-deep)}
.btn-light:hover{background:var(--ink-soft);border-color:var(--ink-soft);color:var(--ink-deep)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(27,58,107,.08)}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:13px;
  padding-bottom:13px;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand svg{width:26px;height:26px;flex:none}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink-deep);white-space:nowrap}
.brand-tools{display:flex;align-items:center;gap:12px}
.search{position:relative;display:flex;align-items:center}
.search i{position:absolute;left:15px;font-size:13px;color:var(--faint);pointer-events:none}
.search input{
  width:250px;
  padding:9px 16px 9px 38px;
  font-family:var(--font);
  font-size:14px;
  color:var(--text);
  background:#F7F9FD;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search input::placeholder{color:var(--faint)}
.search input:focus{outline:none;background:#fff;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,143,184,.12)}
.channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center}
.channels{
  display:flex;
  gap:6px;
  padding:9px 0;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  flex:none;
  padding:7px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.channel:hover{background:var(--ink-soft);color:var(--ink)}
.channel.active{background:var(--ink);color:#fff}
.channel.active:hover{background:var(--ink-deep);color:#fff}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;overflow:hidden;padding-top:26px;background:var(--bg)}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(27,58,107,.55) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:.06;
  pointer-events:none;
}
.page-head .container{position:relative}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:20px}
.breadcrumb a{color:var(--faint)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:#C6D0E2}
.breadcrumb .current{color:var(--text);font-weight:500}
.page-head-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:48px;
  align-items:center;
  padding-bottom:44px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--ink-soft);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
}
.page-head h1{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink-deep);
  margin:16px 0 18px;
}
.lead{font-size:16.5px;line-height:1.85;color:var(--muted);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-note{margin-top:14px;font-size:13.5px;color:var(--faint)}
.page-head-figure{margin:0}
.page-head-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--ink-soft);
  box-shadow:var(--shadow-1);
}

/* ---------- 分类切换 ---------- */
.switch-bar{
  display:flex;
  gap:8px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.switch-bar::-webkit-scrollbar{display:none}
.switch-item{
  flex:none;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:all var(--ease);
}
.switch-item:hover{border-color:var(--ink);background:var(--ink-soft);color:var(--ink)}
.switch-item.current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.switch-item.current:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section + .section{padding-top:0}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink-deep);
}
.section-head p{margin-top:10px;color:var(--muted);max-width:640px}
.section-line{
  height:1px;
  background:var(--line);
  width:33%;
  margin:0 0 40px;
}

/* ---------- 主体两栏 ---------- */
.layout-with-aside{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:36px;
  align-items:start;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:30px;
}
.demo-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.demo-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.thumb{position:relative;overflow:hidden;background:var(--ink-soft)}
.thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform 420ms ease;
}
.demo-card:hover .thumb img{transform:scale(1.03)}
.badge-cat{
  position:absolute;
  left:12px;
  top:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(231,238,249,.95);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
  transition:color var(--ease);
}
.demo-card:hover .card-body h3{color:var(--ink)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:16px}
.card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:13px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--faint);
}
.card-meta a{font-size:13px;font-weight:600;color:var(--cyan)}
.card-meta a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.side-card h3{
  font-size:15px;
  font-weight:600;
  color:var(--ink-deep);
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:9px 12px;
  border-radius:8px;
  font-size:14px;
  color:var(--muted);
  transition:all var(--ease);
}
.side-nav a:hover{background:var(--ink-soft);color:var(--ink)}
.side-nav a.current{background:var(--ink);color:#fff;font-weight:600}
.side-nav a.current:hover{background:var(--ink-deep);color:#fff}
.side-nav i{font-size:11px;opacity:.7}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.kw{
  padding:5px 12px;
  border-radius:999px;
  background:var(--ink-soft);
  color:var(--ink);
  font-size:12.5px;
  font-weight:500;
}
.hot-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.hot-list a{font-size:14px;color:var(--text);font-weight:500;display:block}
.hot-list a:hover{color:var(--cyan)}
.hot-list span{display:block;font-size:12.5px;color:var(--faint);margin-top:4px}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:32px;
}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:999px;
  background:var(--ink-soft);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 20px;
  font-family:var(--font);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  background:#fff;
  border:0;
  border-radius:12px;
  box-shadow:none;
  text-align:left;
}
.accordion-button:not(.collapsed){color:var(--ink);background:var(--ink-soft)}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}
.accordion-button::after{
  content:"＋";
  flex:none;
  width:auto;
  height:auto;
  margin-left:auto;
  background-image:none;
  font-size:18px;
  line-height:1;
  color:var(--faint);
  transform:none;
  transition:color var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"－";color:var(--ink);transform:none}
.accordion-body{
  padding:4px 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  background:#fff;
}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:32px;
  align-items:center;
  padding:48px;
  border-radius:18px;
  background:var(--ink-deep);
  color:#fff;
}
.cta-panel h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
}
.cta-panel p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 22px;
  border-radius:999px;
  background:var(--ink);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--shadow-2);
  transition:background var(--ease),transform var(--ease);
}
.float-cta:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px)}
.float-cta svg{width:16px;height:16px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#fff;padding-top:56px;margin-top:8px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand svg{width:26px;height:26px;flex:none}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--cyan)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .layout-with-aside{grid-template-columns:1fr}
  .side-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
}
@media (max-width:991px){
  .section{padding:56px 0}
  .page-head-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .page-head h1{font-size:34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .search input{width:180px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .page-head h1{font-size:30px}
  .hero-actions .btn{flex:1 1 auto}
  .side-col{grid-template-columns:1fr}
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    border-radius:0;
    height:56px;
    padding:0 16px;
    padding-bottom:env(safe-area-inset-bottom);
    justify-content:center;
    transform:none;
  }
  .float-cta:hover{transform:none}
  body{padding-bottom:56px}
  .brand-name{font-size:17px}
  .search{display:none}
  .cta-panel{padding:30px 24px}
  .footer-grid{padding-bottom:28px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .page-head h1{font-size:27px}
  .lead{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .demo-card:hover,.step:hover,.float-cta:hover{transform:none !important}
  .demo-card:hover .thumb img{transform:none !important}
}

/* roulang page: category2 */
:root{
  --primary:#1B3A6B;
  --primary-dark:#12294D;
  --primary-light:#E7EEF9;
  --cyan:#2E8FB8;
  --gold:#E3A63A;
  --gold-soft:#FBF1DE;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --line:#E3E8F2;
  --ink:#1F2A3C;
  --ink-2:#5A6B85;
  --ink-3:#8A99B3;
  --ok:#2F9E6E;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(27,58,107,.06), 0 8px 24px rgba(27,58,107,.08);
  --sh-hover:0 2px 4px rgba(27,58,107,.08), 0 14px 32px rgba(27,58,107,.12);
  --sh-deep:0 18px 44px rgba(27,58,107,.14);
  --ease:180ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink);line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ===== 布局容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.container{max-width:1280px}}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.sec-head{margin-bottom:36px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--cyan);letter-spacing:.06em;margin-bottom:12px}
.sec-tag svg{width:14px;height:14px;flex:none}
.sec-title{font-size:32px;line-height:1.3}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:760px}
.sec-rule{width:33%;max-width:280px;height:1px;background:var(--line);margin-top:22px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  text-decoration:none;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(27,58,107,.18)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 10px 22px rgba(18,41,77,.24)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-soft{background:var(--primary-light);border-color:transparent;color:var(--primary)}
.btn-soft:hover{background:#DAE6F7;color:var(--primary-dark)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(27,58,107,.09)}
.brand-row{padding:14px 0;transition:padding var(--ease)}
.site-header.is-stuck .brand-row{padding:9px 0}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}
.brand-name{font-size:19px;font-weight:700;color:var(--primary);letter-spacing:-0.01em;white-space:nowrap}
.brand:hover .brand-name{color:var(--primary-dark)}
.brand-tools{display:flex;align-items:center;gap:12px}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;color:var(--ink-3);transition:border-color var(--ease),box-shadow var(--ease)}
.search i{font-size:13px}
.search input{border:0;outline:0;background:transparent;font-size:14px;width:208px;color:var(--ink)}
.search input::placeholder{color:var(--ink-3)}
.search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,143,184,.13)}
.channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center}
.channels{display:flex;align-items:center;gap:6px;padding:7px 0;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  display:inline-block;padding:8px 15px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.channel:hover{background:var(--primary-light);color:var(--primary)}
.channel.active{background:var(--primary);color:#fff;font-weight:600}
.channel.active:hover{background:var(--primary-dark);color:#fff}

/* ===== 面包屑 ===== */
.crumb{background:#fff;border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:14px 0;flex-wrap:wrap}
.crumb-inner a{color:var(--ink-2)}
.crumb-inner a:hover{color:var(--primary)}
.crumb-inner .sep{color:#C6D0E0}
.crumb-inner .current{color:var(--ink);font-weight:600}

/* ===== 首屏 ===== */
.page-hero{position:relative;background:var(--bg);padding:56px 0 64px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle, rgba(27,58,107,.05) 1px, transparent 1.4px);
  background-size:26px 26px;
  opacity:.9;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(46,143,184,.10), rgba(46,143,184,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow svg{width:12px;height:12px}
h1.hero-title{font-size:44px;line-height:1.25;letter-spacing:-0.015em;color:var(--primary-dark)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;
  border:1px solid var(--line);background:var(--primary-light);box-shadow:var(--sh-card);
}
.float-card{
  position:absolute;left:-20px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--sh-hover);min-width:200px;
}
.float-card .fc-top{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary)}
.float-card .fc-top .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.float-card .fc-bottom{margin-top:6px;font-size:12.5px;color:var(--ink-3)}

/* ===== 分类切换标签条 ===== */
.cat-strip{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.cat-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.cat-tabs::-webkit-scrollbar{display:none}
.cat-tabs a{
  display:inline-block;padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:all var(--ease);
}
.cat-tabs a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.cat-tabs a.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ===== 档位卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.plan-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.plan-card.featured{border-color:rgba(227,166,58,.55);box-shadow:0 2px 4px rgba(27,58,107,.08),0 18px 40px rgba(27,58,107,.13)}
.plan-badge{
  position:absolute;top:-13px;left:24px;display:inline-flex;align-items:center;gap:6px;
  background:var(--gold-soft);color:#8A5F13;border:1px solid rgba(227,166,58,.5);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;
}
.plan-badge svg{width:11px;height:11px}
.plan-name{font-size:20px;font-weight:700;color:var(--primary);margin-top:6px}
.plan-for{margin-top:8px;font-size:13.5px;color:var(--ink-3)}
.plan-price{margin-top:18px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plan-price strong{font-size:19px;color:var(--primary-dark);font-weight:700}
.plan-price span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-3)}
.plan-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px}
.plan-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.plan-list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.plan-card .btn{margin-top:auto}

/* ===== 费用构成（左图右文条目） ===== */
.cost-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.cost-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);background:var(--primary-light);box-shadow:var(--sh-card)}
.cost-rows{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.cost-row{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-card);transition:box-shadow var(--ease),transform var(--ease);
}
.cost-row:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.cost-row .idx{
  flex:none;width:34px;height:34px;border-radius:10px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.cost-row h3{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.cost-row p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ===== 步骤流程 ===== */
.steps{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px;transition:box-shadow var(--ease),transform var(--ease),background var(--ease);
}
.step-card:hover{background:#fff;box-shadow:var(--sh-hover);transform:translateY(-2px)}
.step-no{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--cyan);letter-spacing:.05em}
.step-no svg{width:12px;height:12px}
.step-card h3{font-size:17px;margin-top:10px;font-weight:600}
.step-card p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:var(--sh-card);margin-bottom:12px;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  background:#fff;border:0;border-radius:12px;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq .accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary);border-radius:12px 12px 0 0}
.faq .accordion-button:focus{box-shadow:inset 0 0 0 2px var(--cyan);border-color:var(--cyan);z-index:2}
.faq .accordion-button::after{
  content:"+";flex:none;width:24px;height:24px;background-image:none;background:none;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;line-height:1;color:var(--ink-3);
  transition:transform var(--ease),color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--primary);transform:rotate(180deg)}
.faq .accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.75;color:var(--ink-2);background:#fff}

/* ===== 转化区 ===== */
.cta-band{
  background:var(--primary-dark);border-radius:20px;padding:52px 48px;
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
  box-shadow:var(--sh-deep);
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35}
.cta-band p{color:rgba(255,255,255,.76);margin-top:14px;font-size:15.5px;line-height:1.8}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:22px;color:rgba(255,255,255,.82);font-size:14.5px}
.cta-points li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--cyan);
}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 20px 40px rgba(0,0,0,.16)}
.form-card h3{font-size:19px;margin-bottom:6px;color:var(--primary-dark)}
.form-card .form-hint{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.form-group{margin-bottom:16px}
.form-group:last-of-type{margin-bottom:20px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-control{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:12px 16px;font-size:15px;color:var(--ink);line-height:1.5;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,143,184,.12)}
textarea.form-control{min-height:96px;resize:vertical}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-3);line-height:1.6}
.form-success{
  display:none;margin-top:14px;background:#E8F6EF;border:1px solid rgba(47,158,110,.35);
  color:#1E7654;border-radius:10px;padding:10px 14px;font-size:13.5px;
}
.form-success.show{display:block}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-dark);color:#fff;padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand svg{width:24px;height:24px;flex:none}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  h1.hero-title{font-size:38px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .sec-title{font-size:29px}
  .cost-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:44px 36px}
  .step-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .search input{width:150px}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  h1.hero-title{font-size:32px}
  .hero-sub{font-size:16px}
  .sec-title{font-size:26px}
  .grid-3{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .brand-tools .search{display:none}
  .brand-name{font-size:17px}
  .float-card{left:12px;bottom:12px;padding:10px 14px;min-width:0}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-band h2{font-size:24px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575px){
  h1.hero-title{font-size:28px}
  .hero-actions .btn{width:100%}
  .sec-title{font-size:23px}
  .plan-card{padding:24px 20px}
  .cat-tabs a{padding:8px 14px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .plan-card:hover,.cost-row:hover,.step-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#1B3A6B;
  --brand-dark:#12294D;
  --brand-light:#E7EEF9;
  --cyan:#2E8FB8;
  --cyan-soft:#7FC6E8;
  --gold:#E3A63A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --border:#E3E8F2;
  --text:#1F2A3C;
  --text-2:#5A6B85;
  --text-3:#8A99B3;
  --success:#2F9E6E;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,58,107,.06),0 8px 24px rgba(27,58,107,.08);
  --shadow-2:0 2px 4px rgba(27,58,107,.08),0 14px 32px rgba(27,58,107,.12);
  --gap-section:80px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body{font-variant-numeric:tabular-nums;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);}
h1{letter-spacing:-0.01em;}
h2,h3{letter-spacing:-0.005em;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
a{color:var(--cyan);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 按钮 ---------- */
.btn.btn-primary,
.btn.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:11px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  text-decoration:none;
}
.btn.btn-primary{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  box-shadow:0 1px 2px rgba(27,58,107,.14);
}
.btn.btn-primary:hover{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
  color:#fff;
  box-shadow:0 10px 24px rgba(27,58,107,.22);
  transform:translateY(-1px);
}
.btn.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 1px 2px rgba(27,58,107,.18);
  background:var(--brand-dark);
}
.btn.btn-outline{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand);
}
.btn.btn-outline:hover{
  background:var(--brand-light);
  border-color:var(--brand);
  color:var(--brand-dark);
}
.btn.btn-outline:active{transform:translateY(1px);}
.btn.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.btn.btn-lg{padding:14px 30px;font-size:16px;}
.btn.btn-block{width:100%;}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(27,58,107,.10);}
.brand-row{padding:0;}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:14px;
  padding-bottom:14px;
  transition:padding .2s ease;
}
.site-header.is-scrolled .brand-inner{padding-top:9px;padding-bottom:9px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-dark);}
.brand svg{width:26px;height:26px;flex:none;}
.brand-name{display:inline-block;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.search{
  position:relative;
  display:flex;
  align-items:center;
  margin:0;
}
.search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--text-3);
  pointer-events:none;
}
.search input{
  width:236px;
  height:38px;
  padding:0 14px 0 36px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:#F8FAFD;
  font-size:14px;
  color:var(--text);
  font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(46,143,184,.12);
}
.channel-row{border-top:1px solid var(--border);}
.channel-inner{display:flex;align-items:center;}
.channels{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:12px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  border-radius:8px 8px 0 0;
  transition:color .18s ease,background-color .18s ease;
}
.channel:hover{color:var(--brand);background:var(--brand-light);}
.channel.active{color:var(--brand);font-weight:600;}
.channel.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs strong{color:var(--text);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:26px 0 64px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(rgba(27,58,107,.95) 1px, transparent 1.6px),
    radial-gradient(rgba(46,143,184,.9) 1px, transparent 1.6px);
  background-size:78px 78px,132px 132px;
  background-position:0 0,44px 62px;
  opacity:.055;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.01em;
}
.hero-label i{font-size:11px;color:var(--gold);}
.hero-title{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  margin:16px 0 18px;
  color:var(--brand-dark);
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:588px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
.hero-note{
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-note i{color:var(--success);font-size:12px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-2);
  background:var(--brand-light);
}
.hero-float{
  position:absolute;
  left:-16px;
  bottom:24px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:var(--shadow-2);
  font-size:13px;
  color:var(--text-2);
  line-height:1.4;
}
.hero-float i{color:var(--cyan);font-size:15px;}
.hero-float b{display:block;color:var(--text);font-size:13px;font-weight:600;}

/* ---------- 分类切换标签 ---------- */
.cat-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:22px 0 0;
  border-top:1px solid var(--border);
  margin-top:8px;
}
.cat-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.cat-tab:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-light);}
.cat-tab.active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  font-weight:600;
}
.cat-tab.active:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--gap-section) 0;position:relative;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:760px;}
.sec-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:600;
  color:var(--cyan);
  letter-spacing:.04em;
}
.sec-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  letter-spacing:0;
}
.sec-title{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin:12px 0 14px;
  color:var(--brand-dark);
}
.sec-desc{
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:720px;
}

/* ---------- 要点卡片 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:38px;
}
.point{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E0F0;}
.point-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  margin-bottom:16px;
}
.point h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:8px;}
.point p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:36px;
}
.stat{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
}
.stat b{
  display:block;
  font-size:28px;
  line-height:1.2;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-0.01em;
  margin-bottom:4px;
}
.stat span{font-size:13px;color:var(--text-2);line-height:1.6;display:block;}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  margin-top:44px;
}
.split + .split{margin-top:56px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--border);
  box-shadow:var(--shadow-1);
  background:var(--brand-light);
}
.split-body h3{
  font-size:22px;
  line-height:1.45;
  font-weight:700;
  margin-bottom:14px;
  padding-left:14px;
  border-left:3px solid var(--brand);
}
.split-body p{font-size:16px;line-height:1.8;color:var(--text-2);}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tagline span{
  display:inline-flex;
  align-items:center;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:16px;margin-top:40px;}
.step{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  align-items:start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E0F0;}
.step-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:16px;
  font-weight:700;
}
.step-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:6px;}
.step-body p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- 准备清单 ---------- */
.check-panel{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-1);
  padding:36px;
  margin-top:36px;
}
.check-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 40px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--text-2);
  padding:10px 0;
  border-bottom:1px dashed var(--border);
}
.check-list li:last-child{border-bottom:0;}
.check-list li i{
  flex:none;
  margin-top:3px;
  color:var(--brand);
  font-size:12px;
}
.check-list li b{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:36px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
  align-self:start;
}
.faq-item:hover{border-color:#CFDCF0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:transparent;
  border:0;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  text-align:left;
  cursor:pointer;
  transition:color .18s ease;
  margin:0;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{
  flex:none;
  color:var(--cyan);
  font-size:13px;
  transition:transform .2s ease,color .2s ease;
}
.faq-q[aria-expanded="true"]{color:var(--brand);}
.faq-q[aria-expanded="true"] i{transform:rotate(45deg);color:var(--brand);}
.faq-a{
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-2);
  padding:44px;
  margin-top:8px;
}
.cta-copy h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:var(--brand-dark);
  margin-bottom:14px;
}
.cta-copy p{font-size:15px;line-height:1.8;color:var(--text-2);}
.cta-list{margin-top:22px;display:grid;gap:10px;}
.cta-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.cta-list li i{color:var(--cyan);font-size:12px;margin-top:5px;flex:none;}

.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:500;
  color:var(--text-2);
  margin-bottom:6px;
}
.field input,
.field textarea{
  width:100%;
  padding:12px 16px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
  font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:112px;resize:vertical;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(46,143,184,.12);
}
.field.is-invalid input,
.field.is-invalid textarea{border-color:var(--danger);}
.err{display:none;font-size:12px;color:var(--danger);margin-top:6px;}
.field.is-invalid .err{display:block;}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:10px;
  background:#EAF7F1;
  border:1px solid #CDEBDF;
  color:var(--success);
  font-size:14px;
  line-height:1.6;
}
.form-alert.show{display:block;}
.form-tip{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:1040;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 10px 26px rgba(27,58,107,.28);
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.float-cta:hover{
  background:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(27,58,107,.34);
}
.float-cta i{font-size:13px;color:var(--gold);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:#fff;
  padding-top:64px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  margin-bottom:14px;
  color:#fff;
}
.footer-brand svg{width:26px;height:26px;flex:none;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  max-width:320px;
  margin:0;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--cyan-soft);}
.footer-col p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin:0 0 8px;
  line-height:1.7;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-title{font-size:38px;}
  .split{gap:36px;}
  .cta-panel{gap:36px;padding:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--gap-section:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-title{font-size:36px;}
  .hero-media{order:2;max-width:620px;}
  .hero-float{left:12px;bottom:16px;}
  .point-grid{grid-template-columns:1fr 1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-body{order:2;}
  .cta-panel{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:auto;}
}
@media (max-width:767px){
  :root{--gap-section:52px;}
  .container{padding-left:20px;padding-right:20px;}
  .search{display:none;}
  .hero-title{font-size:30px;}
  .hero-lead{font-size:16px;}
  .sec-title{font-size:26px;}
  .point-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr;}
  .check-panel{padding:24px;}
  .step{grid-template-columns:1fr;gap:14px;padding:20px;}
  .cat-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .cat-tabs::-webkit-scrollbar{display:none;}
  .cat-tab{flex:none;}
  .cta-panel{padding:24px;}
  .cta-copy h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    border-radius:0;
    justify-content:center;
    height:56px;
    padding:0 16px;
    font-size:15px;
    box-shadow:0 -2px 14px rgba(27,58,107,.18);
  }
  .float-cta:hover{transform:none;}
  body{padding-bottom:56px;}
}
@media (max-width:575px){
  .hero-title{font-size:27px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;}
  .brand{font-size:17px;}
  .brand svg{width:23px;height:23px;}
  .btn.btn-sm{padding:8px 14px;font-size:13px;}
  .section{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --navy:#1B3A6B;
  --navy-d:#12294D;
  --navy-l:#E7EEF9;
  --cyan:#2E8FB8;
  --gold:#E3A63A;
  --ok:#2F9E6E;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --line:#E3E8F2;
  --ink:#1F2A3C;
  --sub:#5A6B85;
  --weak:#8A99B3;
  --danger:#D9534F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(27,58,107,.06),0 8px 24px rgba(27,58,107,.08);
  --sh-h:0 2px 4px rgba(27,58,107,.08),0 14px 32px rgba(27,58,107,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--navy);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(27,58,107,.09);}
.brand-row{padding:14px 0;transition:padding .2s ease;}
.site-header.is-stuck .brand-row{padding:8px 0;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--navy);font-weight:700;font-size:19px;letter-spacing:-.01em;}
.brand:hover{color:var(--navy-d);}
.brand svg{width:26px;height:26px;flex:none;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.search{
  display:flex;align-items:center;gap:8px;
  height:38px;width:262px;
  padding:0 14px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,143,184,.12);}
.search i{color:var(--weak);font-size:13px;}
.search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink);}
.search input::placeholder{color:var(--weak);}
.channel-row{border-top:1px solid var(--line);}
.channel-inner{display:flex;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channels{display:flex;gap:6px;padding:7px 0;}
.channel{
  display:inline-flex;align-items:center;
  padding:8px 15px;
  font-size:15px;
  color:var(--sub);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.channel:hover{background:var(--navy-l);color:var(--navy);}
.channel.active{background:var(--navy);color:#fff;font-weight:600;}
.channel.active:hover{background:var(--navy-d);color:#fff;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  font-size:15px;font-weight:600;line-height:1.4;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 6px 16px rgba(27,58,107,.18);}
.btn-primary:hover{background:var(--navy-d);color:#fff;box-shadow:0 10px 22px rgba(27,58,107,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy);}
.btn-outline:hover{background:var(--navy-l);color:var(--navy-d);}
.btn-outline:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--navy);}
.btn-light:hover{background:var(--navy-l);color:var(--navy-d);}
.btn-light:active{transform:translateY(1px);}
.btn-sm{padding:8px 16px;font-size:14px;}
/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{font-size:13px;color:var(--weak);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumb a{color:var(--weak);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{color:#C6D0E0;}
.crumb span.now{color:var(--ink);font-weight:500;}
/* ---------- Hero ---------- */
.cat-hero{
  padding:34px 0 56px;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 14% 22%, rgba(27,58,107,.06) 1.4px, transparent 1.6px),
    radial-gradient(circle at 72% 16%, rgba(46,143,184,.06) 1.2px, transparent 1.4px),
    radial-gradient(circle at 46% 78%, rgba(27,58,107,.05) 1.2px, transparent 1.4px);
  background-size:180px 180px, 230px 230px, 280px 280px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;
  font-size:13px;font-weight:600;color:var(--navy);
  background:var(--navy-l);
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.hero-badge i{color:var(--cyan);font-size:12px;}
.cat-hero h1{
  font-size:40px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  color:var(--sub);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--weak);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--navy-l);
  box-shadow:var(--sh);
}
.float-card{
  position:absolute;
  left:-16px;
  bottom:-20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--sh);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
  min-width:210px;
}
.float-card .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(47,158,110,.14);
  flex:none;
}
.float-card strong{display:block;font-size:14px;color:var(--ink);font-weight:600;}
.float-card small{display:block;font-size:12.5px;color:var(--weak);}
/* ---------- 频道标签条 ---------- */
.tag-bar{padding:0 0 8px;}
.tag-bar-inner{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:7px 16px;
  font-size:14px;
  color:var(--sub);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:all .18s ease;
}
.tag-pill:hover{background:var(--navy-l);color:var(--navy);border-color:var(--navy-l);}
.tag-pill.current{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600;}
.tag-pill.current:hover{background:var(--navy-d);color:#fff;}
/* ---------- 区块 ---------- */
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:36px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--cyan);
  letter-spacing:.04em;
  margin-bottom:10px;
}
.eyebrow svg{width:13px;height:13px;flex:none;}
.section-title{
  font-size:32px;
  line-height:1.32;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-sub{margin-top:12px;font-size:16px;color:var(--sub);}
/* ---------- 网格与卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.card-body{padding:24px;}
.card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px;line-height:1.5;}
.card p{font-size:15px;color:var(--sub);line-height:1.75;}
.point-card .card-body{padding:26px 24px;}
.point-card .card-body::before{
  content:"";
  display:block;
  width:34px;height:3px;border-radius:2px;
  background:var(--navy);
  margin-bottom:16px;
}
.number-mark{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--gold);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.number-mark svg{width:12px;height:12px;}
/* ---------- 横向图文卡 ---------- */
.type-card{display:grid;grid-template-columns:190px 1fr;align-items:stretch;}
.type-card .media{
  overflow:hidden;
  background:var(--navy-l);
  border-right:1px solid var(--line);
}
.type-card .media img{
  width:100%;height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.type-card:hover .media img{transform:scale(1.03);}
.type-card .body{padding:22px 24px;}
.type-card h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.type-card p{font-size:15px;color:var(--sub);}
.chip{
  display:inline-flex;align-items:center;
  padding:3px 11px;
  font-size:12px;font-weight:600;
  color:var(--navy);
  background:var(--navy-l);
  border-radius:var(--r-pill);
  margin-bottom:10px;
}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px 24px;
  box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.step-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--navy-l);
  color:var(--navy);
  font-size:14px;font-weight:700;
  margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.step p{font-size:15px;color:var(--sub);}
/* ---------- 订阅区 ---------- */
.subscribe{
  background:var(--navy-d);
  border-radius:18px;
  padding:48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.subscribe h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;letter-spacing:-.01em;}
.subscribe p.sub-lead{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.76);}
.subscribe ul{margin-top:18px;display:grid;gap:9px;}
.subscribe ul li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14.5px;color:rgba(255,255,255,.82);
}
.subscribe ul li i{color:var(--gold);font-size:12px;margin-top:6px;}
.sub-form label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:8px;
}
.field-row{display:flex;gap:12px;}
.field-row input[type="email"]{
  flex:1 1 auto;
  min-width:0;
  padding:12px 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);
  background:#fff;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field-row input[type="email"]::placeholder{color:var(--weak);}
.field-row input[type="email"]:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(46,143,184,.22);
}
.field-row input.has-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,83,79,.16);}
.form-hint{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.62);min-height:20px;}
.form-hint.error{color:#FFB4B0;}
.form-hint.success{
  color:#BFEBD5;
  background:rgba(47,158,110,.18);
  border:1px solid rgba(47,158,110,.42);
  border-radius:8px;
  padding:8px 12px;
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:0 1px 2px rgba(27,58,107,.05);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.open{border-color:#CFDCEE;box-shadow:var(--sh);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--navy);}
.faq-icon{
  position:relative;
  width:18px;height:18px;flex:none;
  transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--navy);
  border-radius:2px;
  transition:background .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--cyan);}
.faq-a{
  max-height:0;
  overflow:hidden;
  padding:0 20px;
  transition:max-height .28s ease,padding .28s ease;
}
.faq-a p{font-size:15px;line-height:1.78;color:var(--sub);}
.faq-item.open .faq-a{max-height:340px;padding:0 20px 20px;}
/* ---------- 底部 CTA ---------- */
.cta-band{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh);
}
.cta-band h2{font-size:26px;font-weight:700;color:var(--ink);line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--sub);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}
/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:1040;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;
  font-size:15px;font-weight:600;
  color:#fff;
  background:var(--navy);
  border-radius:var(--r-pill);
  box-shadow:0 10px 26px rgba(18,41,77,.28);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.float-cta:hover{background:var(--navy-d);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,41,77,.34);}
.float-cta svg{width:15px;height:15px;flex:none;}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--navy-d);
  color:#fff;
  padding:64px 0 0;
  margin-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.footer-brand svg{width:26px;height:26px;flex:none;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:330px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--cyan);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .cat-hero h1{font-size:36px;}
  .hero-figure img{aspect-ratio:16/9;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .subscribe{grid-template-columns:1fr;gap:32px;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:991px){
  .search{display:none;}
  .type-card{grid-template-columns:1fr;}
  .type-card .media{border-right:0;border-bottom:1px solid var(--line);}
  .type-card .media img{aspect-ratio:16/9;}
  .float-card{left:0;bottom:-18px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .cat-hero{padding:24px 0 44px;}
  .cat-hero h1{font-size:31px;}
  .hero-lead{font-size:16px;}
  .section-title{font-size:26px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .brand-name{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .float-cta{
    left:0;right:0;bottom:0;
    border-radius:0;
    justify-content:center;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    font-size:15px;
  }
  body{padding-bottom:72px;}
  .subscribe{padding:32px 22px;}
  .subscribe h2{font-size:23px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .cta-band{padding:32px 24px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .card-body,.point-card .card-body{padding:20px 18px;}
  .type-card .body{padding:20px 18px;}
  .tag-pill{font-size:13px;padding:6px 13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .card:hover,.step:hover,.float-cta:hover,.type-card:hover .media img{transform:none;}
}