/* roulang page: index */
:root{
  --c-primary:#2B5BA8;
  --c-primary-d:#1E4682;
  --c-primary-l:#E8F0FB;
  --c-accent:#FF6B3D;
  --c-accent-l:#FFF0EA;
  --c-mint:#12A08A;
  --c-mint-l:#E6F6F3;
  --c-bg:#F5F8FC;
  --c-card:#FFFFFF;
  --c-line:#E6ECF5;
  --c-text:#101B2C;
  --c-text-2:#5B6979;
  --c-text-3:#8A97A8;
  --c-err:#D64545;
  --c-warn:#E0A008;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(18,38,74,.06);
  --sh-2:0 14px 32px rgba(18,38,74,.10);
  --sh-nav:0 2px 12px rgba(18,38,74,.06);
  --maxw:1200px;
  --t:200ms ease;
  --f-num:"Manrope","DIN Alternate","PingFang SC",system-ui,sans-serif;
}
*,*::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","Manrope","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(43,91,168,.35);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-l);color:var(--c-primary-d);}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 10px 22px rgba(30,70,130,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#ef5a2b;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,107,61,.26);}
.btn-ghost{background:#fff;border-color:#D6DFEC;color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;transition:gap var(--t),color var(--t);}
.link-arrow:hover{gap:12px;color:var(--c-primary-d);}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary);}
.tag-mint{background:var(--c-mint-l);color:var(--c-mint);}
.tag-accent{background:var(--c-accent-l);color:#D9502A;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;}
.badge-primary{background:var(--c-primary-l);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-mint{background:var(--c-mint-l);color:var(--c-mint);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.nav-top{display:flex;align-items:center;gap:20px;height:76px;transition:height var(--t);}
.site-header.is-stuck .nav-top{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center;color:#fff;flex:0 0 auto;transition:background var(--t);}
.brand:hover .brand-mark{background:var(--c-primary-d);}
.brand-text{font-size:clamp(15px,1.55vw,19px);font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.nav-search{
  display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0;
  max-width:560px;height:46px;padding:0 6px 0 16px;
  background:#F2F5FA;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background var(--t),border-color var(--t),box-shadow var(--t),height var(--t);
}
.site-header.is-stuck .nav-search{height:42px;}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,91,168,.14);}
.search-icon{flex:0 0 auto;color:var(--c-text-3);}
.search-input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:14px;outline:none;}
.search-input::placeholder{color:var(--c-text-3);}
.search-btn{flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;transition:background var(--t);}
.search-btn:hover{background:var(--c-primary-d);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-text);background:#fff;}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-cats{display:flex;align-items:center;gap:10px;height:48px;position:relative;flex-wrap:wrap;}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--c-text-2);
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.cat-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:0;transition:opacity var(--t);}
.cat-pill:hover{background:#F2F5FA;color:var(--c-primary);}
.cat-pill.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;}
.cat-pill.is-active .dot{opacity:1;}
.hot-note{margin-left:auto;font-size:13px;color:var(--c-text-3);letter-spacing:.5px;}

/* 移动抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:120;background:rgba(16,27,44,.42);display:none;}
.nav-drawer.is-open{display:block;}
.drawer-inner{
  position:absolute;top:0;left:0;right:0;max-height:100%;overflow-y:auto;
  background:#fff;padding:20px 20px 32px;border-radius:0 0 20px 20px;
  box-shadow:0 18px 40px rgba(18,38,74,.18);
}
.drawer-search{max-width:none;width:100%;margin-bottom:20px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{padding:14px 4px;font-size:16px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-line);}
.drawer-links a:hover{color:var(--c-primary);}
.drawer-cta{display:grid;gap:12px;margin-top:22px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-bg);padding:64px 0 72px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(43,91,168,.055) 0 1px,transparent 1px 36px);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:rgba(43,91,168,.06);pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-copy h1{font-size:48px;line-height:1.2;font-weight:700;letter-spacing:-.5px;margin:18px 0 16px;}
.hero-copy h1 em{
  font-style:normal;color:var(--c-primary);
  background:linear-gradient(var(--c-primary),var(--c-primary)) left 100%/100% 4px no-repeat;
  padding-bottom:4px;
}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;}
.trust-row li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.trust-row svg{color:var(--c-mint);flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-img-wrap{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);background:#fff;}
.hero-img-wrap img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:-24px;min-width:210px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-2);
}
.hf-label{font-size:13px;color:var(--c-text-3);}
.hf-price{font-family:var(--f-num);font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.3;}
.hf-price span{font-size:13px;font-weight:500;color:var(--c-text-3);}
.hf-note{font-size:13px;color:var(--c-text-2);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section--white{background:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--c-primary);margin-bottom:12px;text-transform:uppercase;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.3px;}
.section-desc{font-size:16px;color:var(--c-text-2);margin-top:10px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 对比表 ---------- */
.cmp-scroll{
  overflow-x:auto;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.cmp-table{width:100%;min-width:880px;border-collapse:collapse;font-size:15px;}
.cmp-table th,.cmp-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--c-line);vertical-align:middle;}
.cmp-table thead th{
  background:#fff;font-weight:700;color:var(--c-text);
  padding-top:24px;padding-bottom:24px;vertical-align:top;border-bottom:2px solid var(--c-line);
}
.cmp-table thead th:nth-child(3){background:var(--c-primary-l);border-top:3px solid var(--c-primary);position:relative;}
.cmp-table td:nth-child(3){background:#F3F7FD;}
.cmp-table tbody tr:nth-child(even) td{background:#FAFBFD;}
.cmp-table tbody tr:nth-child(even) td:nth-child(3){background:#EFF4FC;}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table td:first-child,.cmp-table th:first-child{width:27%;font-weight:600;}
.th-name{font-size:17px;display:block;margin-bottom:4px;}
.th-note{font-size:13px;font-weight:400;color:var(--c-text-2);display:block;line-height:1.55;margin-bottom:12px;}
.th-price{font-family:var(--f-num);font-size:28px;font-weight:700;color:var(--c-primary);display:block;line-height:1.2;margin-bottom:14px;}
.th-price small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:2px;}
.th-price--accent{color:var(--c-accent);}
.cmp-yes{display:inline-flex;align-items:center;gap:7px;color:var(--c-mint);font-weight:600;}
.cmp-no{display:inline-flex;align-items:center;gap:7px;color:#C6D0DD;font-weight:600;}
.cmp-tip{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:24px;}
.cmp-tip p{font-size:14px;color:var(--c-text-2);}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.tier-main{grid-column:span 7;grid-row:span 2;padding:32px;display:flex;flex-direction:column;border-top:3px solid var(--c-primary);}
.tier-side{grid-column:span 5;padding:26px;display:flex;flex-direction:column;}
.tier-name{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;}
.tier-fit{font-size:14px;color:var(--c-text-2);margin-top:8px;}
.tier-price{font-family:var(--f-num);font-size:40px;font-weight:700;color:var(--c-accent);line-height:1.2;margin:18px 0 4px;}
.tier-price small{font-size:14px;font-weight:500;color:var(--c-text-3);margin-left:4px;}
.tier-price--free{color:var(--c-primary);}
.tier-list{margin:20px 0 24px;display:grid;gap:12px;}
.tier-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);}
.tier-list svg{flex:0 0 auto;margin-top:5px;color:var(--c-mint);}
.tier-main .btn{margin-top:auto;align-self:flex-start;}
.tier-side .btn{margin-top:auto;align-self:flex-start;}
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh-1);
}
.stat-num{font-family:var(--f-num);font-size:36px;font-weight:700;color:var(--c-primary);line-height:1.15;}
.stat-label{font-size:14px;color:var(--c-text-2);margin-top:4px;}
.stat-item + .stat-item{border-left:1px solid var(--c-line);padding-left:24px;}

/* ---------- 专属内容 ---------- */
.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.content-card{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.cc-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EEF3FA;}
.cc-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.content-card:hover .cc-img img{transform:scale(1.03);}
.cc-img .badge{position:absolute;left:12px;top:12px;}
.cc-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.cc-body h3{font-size:18px;line-height:1.45;font-weight:700;}
.cc-body p{font-size:14px;color:var(--c-text-2);flex:1 1 auto;}
.cc-foot{display:flex;align-items:center;justify-content:space-between;padding-top:6px;}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.news-feature{display:grid;grid-template-columns:1fr;overflow:hidden;padding:0;}
.nf-img{display:block;aspect-ratio:16/9;overflow:hidden;background:#EEF3FA;}
.nf-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.news-feature:hover .nf-img img{transform:scale(1.03);}
.nf-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.nf-body h3{font-size:20px;line-height:1.5;font-weight:700;}
.nf-body h3 a:hover{color:var(--c-primary);}
.nf-body p{font-size:15px;color:var(--c-text-2);}
.nf-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--c-text-3);padding-top:4px;}
.news-list{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:8px 24px;}
.news-row{display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--c-line);position:relative;transition:padding-left var(--t);}
.news-row::before{content:"";position:absolute;left:-24px;top:20px;bottom:20px;width:3px;background:var(--c-primary);opacity:0;transition:opacity var(--t);}
.news-row:last-child{border-bottom:0;}
.news-row:hover{padding-left:10px;}
.news-row:hover::before{opacity:1;}
.news-row:hover .nr-main strong{color:var(--c-primary);}
.nr-date{flex:0 0 auto;width:88px;font-size:13px;color:var(--c-text-3);padding-top:2px;font-family:var(--f-num);}
.nr-main{display:flex;flex-direction:column;gap:6px;min-width:0;}
.nr-main strong{font-size:16px;font-weight:600;line-height:1.55;transition:color var(--t);}
.nr-main em{font-style:normal;font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.nr-cat{font-size:12px;color:var(--c-primary);background:var(--c-primary-l);border-radius:var(--r-pill);padding:1px 10px;align-self:flex-start;}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:180px;border:1px dashed #C9D6E8;border-radius:var(--r-lg);background:#FBFCFE;color:var(--c-text-2);
}
.news-empty svg{color:var(--c-primary);}
.news-empty p{font-size:15px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start;}
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:border-color var(--t);}
.faq-item.is-open{border-color:#C6D8F0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 24px;text-align:left;font-size:18px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary);}
.faq-ico{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary);display:grid;place-items:center;font-size:18px;line-height:1;transition:transform var(--t),background var(--t);}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a p{padding:0 24px 24px;font-size:15.5px;line-height:1.85;color:var(--c-text-2);}
.faq-aside{background:var(--c-primary-l);border-radius:var(--r-lg);padding:28px;border:1px solid #D5E2F5;position:sticky;top:120px;}
.faq-aside h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.faq-aside p{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}

/* ---------- CTA + 表单 ---------- */
.cta-band{background:var(--c-primary-l);padding:88px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:30px;line-height:1.35;font-weight:700;}
.cta-copy p{font-size:16px;color:var(--c-text-2);margin-top:12px;}
.cta-points{display:grid;gap:12px;margin-top:26px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-text);}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--c-mint);}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-2);}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--c-text-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--c-text-2);margin-bottom:6px;}
.field .req{color:var(--c-accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);
  background:#F7F9FD;border:1px solid var(--c-line);font-size:15px;
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,91,168,.14);
}
.field .hint{font-size:13px;color:var(--c-text-3);margin-top:6px;}
.form-note{font-size:13px;color:var(--c-text-3);margin-top:14px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--c-text-2);max-width:340px;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--c-text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--c-text-2);transition:color var(--t);}
.footer-col li a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 24px;}
  .hero-copy h1{font-size:42px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:620px;}
  .hero-copy h1{font-size:38px;}
  .content-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .tier-main{grid-column:span 12;grid-row:auto;}
  .tier-side{grid-column:span 12;}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-item + .stat-item{border-left:0;padding-left:0;}
  .stat-item:nth-child(even){border-left:1px solid var(--c-line);padding-left:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-search{display:none;}
  .nav-cats{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .cta-band{padding:56px 0;}
  .hero{padding:44px 0 56px;}
  .hero-copy h1{font-size:30px;letter-spacing:-.2px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .cta-copy h2{font-size:22px;}
  .eyebrow{margin-bottom:8px;}
  .hero-float{position:relative;left:0;bottom:0;margin-top:16px;max-width:260px;}
  .content-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .news-list{padding:4px 18px;}
  .news-row:hover{padding-left:0;}
  .news-row::before{display:none;}
  .nr-date{width:74px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:span 2;}
  .footer-bottom{justify-content:center;text-align:center;}
  .tier-main,.tier-side{padding:24px;}
  .form-card{padding:22px;}
}
@media (max-width:520px){
  .nav-top{height:64px;gap:12px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:14px;}
  .content-grid{gap:18px;}
  .stat-bar{padding:22px 18px;gap:16px;}
  .stat-num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
  .th-price{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .card:hover,.btn:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2B5BA8;
  --c-primary-d:#1E4682;
  --c-primary-l:#E8F0FB;
  --c-accent:#FF6B3D;
  --c-accent-l:#FFF0EA;
  --c-mint:#12A08A;
  --c-mint-l:#E6F6F3;
  --c-bg:#F5F8FC;
  --c-card:#FFFFFF;
  --c-line:#E6ECF5;
  --c-ink:#101B2C;
  --c-ink-2:#5B6979;
  --c-ink-3:#8A97A8;
  --c-white:#FFFFFF;
  --c-err:#D64545;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(18,38,74,.06);
  --sh-hover:0 14px 32px rgba(18,38,74,.10);
  --sh-nav:0 2px 12px rgba(18,38,74,.06);
  --f-num:"Manrope","DIN Alternate",system-ui,sans-serif;
  --t:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(43,91,168,.35);outline-offset:2px;}
::selection{background:var(--c-primary-l);color:var(--c-primary-d);}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 12px rgba(43,91,168,.18);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(30,70,130,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px rgba(30,70,130,.22);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 4px 12px rgba(255,107,61,.22);}
.btn-accent:hover{background:#EF5A2B;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(239,90,43,.26);}
.btn-ghost{background:#fff;border-color:#D6DFEC;color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;border:0;background:none;
  color:var(--c-primary);font-size:15px;font-weight:600;
}
.btn-text svg{transition:transform var(--t);}
.btn-text:hover{color:var(--c-primary-d);}
.btn-text:hover svg{transform:translateX(4px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary-d);}
.tag-mint{background:var(--c-mint-l);color:#0B7F6E;}
.tag-accent{background:var(--c-accent-l);color:#D14A1E;}
.tag-line{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:13px;font-weight:700;letter-spacing:.4px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),height var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.nav-top{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height var(--t);
}
.site-header.is-stuck .nav-top{height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;flex:0 0 auto;
  box-shadow:0 4px 10px rgba(43,91,168,.24);
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-.4px;line-height:1.2;}

.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;margin:0 auto;
  height:46px;padding:0 6px 0 42px;
  background:#F2F5FA;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background var(--t),border-color var(--t),box-shadow var(--t),height var(--t);
}
.site-header.is-stuck .nav-search{height:40px;}
.nav-search .search-icon{position:absolute;left:15px;color:var(--c-ink-3);}
.search-input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:14.5px;color:var(--c-ink);outline:none;
  appearance:none;
}
.search-input::placeholder{color:var(--c-ink-3);}
.search-input::-webkit-search-cancel-button{-webkit-appearance:none;}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,91,168,.16);}
.search-btn{
  height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:13.5px;font-weight:600;
  transition:background var(--t);
}
.search-btn:hover{background:var(--c-primary-d);}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink);
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

.nav-cats{
  display:flex;align-items:center;gap:10px;
  height:40px;padding-bottom:10px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  height:32px;padding:0 15px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--c-ink-2);
  border:1px solid transparent;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.cat-pill .dot{width:6px;height:6px;border-radius:50%;background:transparent;transition:background var(--t);}
.cat-pill:hover{background:#EFF4FB;color:var(--c-primary);}
.cat-pill.is-active{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:700;}
.cat-pill.is-active .dot{background:var(--c-primary);}
.hot-note{
  margin-left:auto;flex:0 0 auto;
  font-size:12.5px;color:var(--c-ink-3);font-weight:600;letter-spacing:.5px;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,27,44,.42);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:200;
  width:min(88vw,380px);height:100%;
  background:#fff;box-shadow:-12px 0 40px rgba(18,38,74,.16);
  transform:translateX(102%);transition:transform var(--t);
  padding:20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:18px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:#F4F7FC;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);
}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 6px 0 14px;
  background:#F2F5FA;border:1px solid var(--c-line);border-radius:var(--r-pill);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px;}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;font-weight:600;color:var(--c-ink);
  border:1px solid var(--c-line);
}
.drawer-list a:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:#C9DAF2;}
.drawer-list a.is-active{background:var(--c-primary-l);color:var(--c-primary-d);border-color:#C9DAF2;}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:8px;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:20px;
}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#C6D0DD;}
.crumbs .current{color:var(--c-ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  padding:48px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(43,91,168,.055) 0 1px,transparent 1px 52px);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:rgba(43,91,168,.07);pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:36px;line-height:1.24;font-weight:700;letter-spacing:-.5px;
  margin:16px 0 16px;
}
.hero h1 .hl{color:var(--c-primary);position:relative;white-space:nowrap;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;border-radius:2px;
  background:var(--c-primary);opacity:.22;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;
  padding-top:22px;border-top:1px solid var(--c-line);
}
.trust-item{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--c-ink-2);font-weight:500;}
.trust-item .ico{
  width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-mint-l);color:#0B7F6E;flex:0 0 auto;
}
.hero-media{position:relative;}
.hero-media .shot{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh);background:#EEF3FA;aspect-ratio:16/11;
}
.hero-media .shot img{width:100%;height:100%;object-fit:cover;}
.hero-media .float-card{
  position:absolute;left:-22px;bottom:-26px;width:min(300px,86%);
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-hover);padding:16px 18px;
}
.float-card .fc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.float-card .fc-num{font-family:var(--f-num);font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.1;}
.float-card .fc-label{font-size:13px;color:var(--c-ink-3);margin-top:2px;}
.float-card .fc-note{font-size:13px;color:var(--c-ink-2);margin:10px 0 0;padding-top:10px;border-top:1px dashed var(--c-line);}

/* ---------- 数据条 ---------- */
.stats-band{padding:0 0 8px;margin-top:-34px;position:relative;z-index:2;}
.stats-card{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.stat-cell{padding:26px 24px;border-left:1px solid var(--c-line);}
.stat-cell:first-child{border-left:0;}
.stat-num{
  font-family:var(--f-num);font-size:36px;font-weight:700;color:var(--c-primary);
  line-height:1.1;letter-spacing:-.5px;
}
.stat-num span{font-size:16px;font-weight:600;margin-left:2px;color:var(--c-primary-d);}
.stat-label{font-size:14px;color:var(--c-ink-2);margin-top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.4px;margin:14px 0 10px;
}
.section-head p{font-size:16px;color:var(--c-ink-2);}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 交错图文 ---------- */
.zig-row{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;
  padding:36px 0;
}
.zig-row + .zig-row{border-top:1px dashed var(--c-line);}
.zig-row.reverse .zig-media{order:2;}
.zig-row.reverse .zig-text{order:1;}
.zig-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh);background:#EEF3FA;aspect-ratio:4/3;}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.zig-media:hover img{transform:scale(1.02);}
.zig-text h3{font-size:22px;line-height:1.4;font-weight:700;margin:12px 0 12px;letter-spacing:-.2px;}
.zig-text p{font-size:15.5px;color:var(--c-ink-2);margin-bottom:12px;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink);}
.check-list .ck{
  width:22px;height:22px;border-radius:50%;flex:0 0 auto;margin-top:2px;
  background:var(--c-mint-l);color:#0B7F6E;
  display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- 赛程条目列表 ---------- */
.agenda-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.agenda-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 26px;border-bottom:1px solid var(--c-line);background:linear-gradient(180deg,#FBFCFE,#FFFFFF);
}
.agenda-head .ah-title{font-size:16px;font-weight:700;}
.agenda-head .ah-note{font-size:13.5px;color:var(--c-ink-3);}
.agenda-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;
  padding:20px 26px;border-bottom:1px dashed var(--c-line);
  transition:background var(--t);
}
.agenda-item:last-child{border-bottom:0;}
.agenda-item:hover{background:#FAFBFD;}
.agenda-date{
  display:flex;flex-direction:column;align-items:flex-start;
  padding-left:12px;border-left:3px solid transparent;transition:border-color var(--t);
}
.agenda-item:hover .agenda-date{border-left-color:var(--c-primary);}
.agenda-date .d-day{font-family:var(--f-num);font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.1;}
.agenda-date .d-ym{font-size:12.5px;color:var(--c-ink-3);margin-top:2px;}
.agenda-main .a-title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.agenda-main .a-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:8px;font-size:13.5px;color:var(--c-ink-3);}
.agenda-main .a-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D0DD;}
.agenda-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.agenda-side .time{font-family:var(--f-num);font-size:18px;font-weight:700;color:var(--c-ink);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#D2DFEF;}
.faq-item.is-open{border-color:#C9DAF2;box-shadow:var(--sh-hover);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:12px 24px;
  background:none;border:0;text-align:left;
  font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq-q .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a .inner{padding:0 24px 24px;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}
.faq-aside{
  background:var(--c-primary-l);border:1px solid #CFDFF5;border-radius:var(--r-card);
  padding:28px 24px;position:sticky;top:110px;
}
.faq-aside h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.faq-aside p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:18px;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--c-primary-l);
  border:1px solid #CFDFF5;border-radius:24px;
  padding:52px;
  display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(105deg,rgba(43,91,168,.06) 0 1px,transparent 1px 48px);
}
.cta-card > *{position:relative;z-index:1;}
.cta-card h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.3px;margin:12px 0 12px;}
.cta-card .cta-sub{font-size:16px;color:var(--c-ink-2);max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:24px;}
.cta-points .trust-item{font-size:14px;}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-hover);padding:26px;
}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--c-ink-3);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;color:var(--c-ink-2);margin-bottom:6px;font-weight:500;}
.field label .req{color:var(--c-accent);margin-left:2px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;
  background:#F7F9FD;border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:15px;color:var(--c-ink);outline:none;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
  appearance:none;
}
.field input::placeholder{color:var(--c-ink-3);}
.field input:focus,.field select:focus{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,91,168,.14);}
.field .hint{font-size:13px;color:var(--c-err);margin-top:6px;display:none;}
.form-card .btn{width:100%;margin-top:6px;}
.form-tip{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:64px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr .8fr .8fr 1fr;gap:40px;
}
.footer-brand p{font-size:14.5px;color:var(--c-ink-2);line-height:1.85;margin:16px 0 18px;max-width:360px;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--c-ink);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--c-ink-2);}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:14px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{max-width:1120px;}
  .hero-grid{gap:40px;}
}
@media (max-width:1024px){
  .nav-search{max-width:380px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-media{max-width:560px;}
  .hero-media .float-card{left:auto;right:0;bottom:-22px;}
  .stats-card{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(3){border-left:0;}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--c-line);}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row.reverse .zig-media{order:0;}
  .zig-row.reverse .zig-text{order:0;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .cta-card{grid-template-columns:1fr;padding:40px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cats{height:auto;padding:0 0 12px;}
  .hot-note{display:none;}
  .section{padding:64px 0;}
  .cta-section{padding-bottom:64px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .hero{padding:32px 0 56px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-trust{gap:16px 22px;}
  .section-head h2{font-size:22px;}
  .cta-card h2{font-size:23px;}
  .agenda-item{grid-template-columns:72px 1fr;gap:14px;padding:18px 18px;}
  .agenda-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .agenda-head{padding:16px 18px;}
  .faq-q{font-size:16px;padding:12px 18px;}
  .faq-a .inner{padding:0 18px 20px;}
  .cta-card{padding:28px 22px;border-radius:18px;}
  .hero-media .float-card{position:static;width:100%;margin-top:-24px;margin-left:16px;}
  .section-head{margin-bottom:32px;}
  .zig-text h3{font-size:20px;}
}
@media (max-width:520px){
  .brand-text{font-size:17px;}
  .hero h1{font-size:25px;}
  .hero-actions .btn{width:100%;}
  .hero-media .float-card{margin-left:0;width:100%;}
  .stats-card{grid-template-columns:1fr;}
  .stat-cell{border-left:0;border-top:1px solid var(--c-line);padding:20px;}
  .stat-cell:first-child{border-top:0;}
  .stat-num{font-size:30px;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .drawer-cta .btn{width:100%;}
  .crumbs{font-size:12.5px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .btn:hover,.btn-primary:hover,.btn-accent:hover,.btn-ghost:hover{transform:none;}
  .zig-media:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#2B5BA8;
  --c-primary-d:#1E4682;
  --c-primary-l:#E8F0FB;
  --c-accent:#FF6B3D;
  --c-accent-l:#FFF0EA;
  --c-mint:#12A08A;
  --c-mint-l:#E6F6F3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --line-2:#D6DFEC;
  --text:#101B2C;
  --text-2:#5B6979;
  --text-3:#8A97A8;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh:0 8px 24px rgba(18,38,74,.06);
  --sh-hover:0 14px 32px rgba(18,38,74,.10);
  --num:"Manrope","DIN Alternate","PingFang SC",system-ui,sans-serif;
  --tr:200ms ease;
}
*,*::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",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(43,91,168,.35);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

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

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(43,91,168,.24)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#E85A2C;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,61,.26)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}

/* ---------- Tags / Badges ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;line-height:1;white-space:nowrap;
}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary)}
.tag-mint{background:var(--c-mint-l);color:#0B7F6E}
.tag-accent{background:var(--c-accent-l);color:#C74B22}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;line-height:1;background:var(--c-primary-l);color:var(--c-primary);font-weight:600;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-stuck{box-shadow:0 2px 12px rgba(18,38,74,.06)}
.nav-top{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;color:var(--text)}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:560px;min-width:0;margin:0 auto;height:46px;
  padding:0 6px 0 42px;background:#F2F5FA;border:1px solid transparent;
  border-radius:999px;transition:background var(--tr),border-color var(--tr),box-shadow var(--tr),height var(--tr);
}
.site-header.is-stuck .nav-search{height:40px}
.nav-search .search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}
.search-input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:14.5px;color:var(--text);outline:none;
}
.search-input::placeholder{color:var(--text-3)}
.search-btn{
  flex:0 0 auto;height:34px;padding:0 18px;border:0;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--tr);
}
.search-btn:hover{background:var(--c-primary-d)}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,91,168,.14)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:10px;border:1px solid var(--line-2);background:#fff;color:var(--text);cursor:pointer;
  transition:border-color var(--tr),color var(--tr);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-cats{display:flex;align-items:center;gap:8px;padding-bottom:12px;flex-wrap:wrap}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.cat-pill:hover{background:var(--c-primary-l);color:var(--c-primary)}
.cat-pill.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600}
.cat-pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:none}
.cat-pill.is-active .dot{display:inline-block}
.hot-note{
  margin-left:auto;font-size:12px;color:var(--text-3);
  border:1px dashed var(--line-2);border-radius:999px;padding:3px 12px;
}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,27,44,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:90;
  transform:translateX(101%);transition:transform 250ms ease;
  padding:20px;overflow-y:auto;box-shadow:-12px 0 32px rgba(18,38,74,.14);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-close{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;
}
.drawer-close span{font-size:16px;font-weight:700}
.drawer-close button{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);
  background:#fff;color:var(--text-2);cursor:pointer;display:grid;place-items:center;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 14px;
  background:#F2F5FA;border:1px solid transparent;border-radius:999px;margin-bottom:20px;
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;height:100%;outline:none;font-size:14.5px}
.drawer-search button{
  height:34px;padding:0 16px;border:0;border-radius:999px;background:var(--c-primary);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;
}
.drawer-cats{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-cats a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text-2);
  border:1px solid var(--line);transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.drawer-cats a:hover,.drawer-cats a.is-active{background:var(--c-primary-l);color:var(--c-primary);border-color:#D3E2F7}
.drawer-actions{display:flex;flex-direction:column;gap:10px}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;background:var(--bg);
  border-bottom:1px solid var(--line);padding:0 0 40px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(43,91,168,.055) 0 1px,transparent 1px 24px);
}
.article-hero::after{
  content:"";position:absolute;right:-90px;top:-140px;width:320px;height:320px;border-radius:50%;
  background:rgba(43,91,168,.06);pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding-top:24px;margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color var(--tr)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C6D0DD}
.breadcrumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{
  font-size:36px;line-height:1.32;letter-spacing:-.4px;font-weight:700;
  max-width:900px;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13px;color:var(--text-3);
}
.article-meta .meta-dot{color:#C6D0DD}
.share-group{display:inline-flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border:1px solid var(--line-2);border-radius:999px;background:#fff;color:var(--text-2);
  font-size:13px;cursor:pointer;transition:border-color var(--tr),color var(--tr),background var(--tr);
}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:#F7FAFF}

/* ---------- Article layout ---------- */
.article-wrap{padding:40px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:56px;justify-content:space-between;align-items:start;
  padding-bottom:64px;
}
.article-main{min-width:0}
.article-cover{
  margin:0 0 32px;border-radius:var(--r-sm);overflow:hidden;background:#EEF3FA;
  aspect-ratio:16/9;box-shadow:var(--sh);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;
  margin:40px 0 16px;padding-left:14px;scroll-margin-top:130px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:32px 0 12px;scroll-margin-top:130px}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:600}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-d)}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:#F0F5FF;
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th{background:#F5F8FC;text-align:left;font-weight:600;color:var(--text)}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;vertical-align:top}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:24px;
  border-top:1px solid var(--line);
}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav a{
  display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh);
  transition:border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.post-nav a:hover{border-color:var(--c-primary);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.post-nav .nav-label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.post-nav .nav-title{
  display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:130px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;letter-spacing:-.2px}
.toc-list{list-style:none;font-size:14px}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;color:var(--text-2);
  border-left:3px solid transparent;line-height:1.5;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-primary-l)}
.toc-list a.active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:#F5F9FF}
.rel-list{list-style:none}
.rel-list li + li{border-top:1px dashed var(--line);margin-top:12px;padding-top:12px}
.rel-list a{display:flex;gap:12px;align-items:flex-start}
.rel-thumb{
  width:64px;height:64px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#EEF3FA;
}
.rel-title{
  font-size:14px;font-weight:600;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--tr);
}
.rel-list a:hover .rel-title{color:var(--c-primary)}
.rel-time{display:block;font-size:12.5px;color:var(--text-3);margin-top:5px}
.side-cta{
  background:var(--c-primary-l);border:1px solid #DCE7F8;border-radius:var(--r-card);
  padding:20px;
}
.side-cta h3{font-size:16px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- Related grid ---------- */
.related-section{padding:0 0 64px;border-top:1px solid var(--line);margin-top:0}
.related-section .section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding:44px 0 24px;flex-wrap:wrap;
}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
}
.text-link svg{transition:transform var(--tr)}
.text-link:hover svg{transform:translateX(4px)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6E2F2}
.post-card-img{aspect-ratio:16/9;background:#EEF3FA;overflow:hidden}
.post-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.post-card:hover .post-card-img img{transform:scale(1.03)}
.post-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card-body h3{
  font-size:18px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-body .card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);padding-top:6px;
}
.post-card:hover .card-foot span{color:var(--c-primary)}

/* ---------- Empty state ---------- */
.empty-state{
  background:#fff;border:1px dashed #C9D8EC;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:50%;background:var(--c-primary-l);
  color:var(--c-primary);display:grid;place-items:center;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:520px;margin:0 auto 24px}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  background:var(--c-primary-l);border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;bottom:-100px;width:260px;height:260px;
  border-radius:50%;background:rgba(43,91,168,.07);pointer-events:none;
}
.cta-inner h2{font-size:26px;font-weight:700;letter-spacing:-.3px;margin-bottom:8px;position:relative}
.cta-inner p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:560px;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:56px}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px;max-width:330px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--tr)}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:14px;max-width:260px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0 24px;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1120px}
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:40px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-search{display:none}
  .nav-cats{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .nav-top{gap:12px;justify-content:space-between}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-top{height:62px}
  .brand-text{font-size:17px}
  .brand-mark{width:30px;height:30px}
  .article-head h1{font-size:26px;line-height:1.4}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .post-nav{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .section-head h2{font-size:21px}
  .cta-inner{padding:28px 24px;flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:21px}
  .share-group{margin-left:0}
  .related-section{padding-bottom:48px}
  .cta-band{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:520px){
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .article-cover{margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#2B5BA8;
  --c-primary-d:#1E4682;
  --c-primary-l:#E8F0FB;
  --c-accent:#FF6B3D;
  --c-accent-l:#FFF0EA;
  --c-mint:#12A08A;
  --c-mint-l:#E6F6F3;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --line-strong:#D6DFEC;
  --t1:#101B2C;
  --t2:#5B6979;
  --t3:#8A97A8;
  --white:#FFFFFF;
  --err:#D64545;
  --warn:#E0A008;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(18,38,74,.06);
  --sh-h:0 14px 32px rgba(18,38,74,.10);
  --sh-nav:0 2px 12px rgba(18,38,74,.06);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Manrope","DIN Alternate","PingFang SC",system-ui,sans-serif;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary-d);}
img{max-width:100%;display:block;border-radius:var(--r-md);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(43,91,168,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.narrow{max-width:880px;margin:0 auto;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.nav-top{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-stuck .nav-top{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex:none;}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:34px;height:34px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--c-primary);
  color:#FFFFFF;
  box-shadow:0 4px 10px rgba(43,91,168,.24);
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:clamp(320px,42vw,560px);
  margin:0 auto;
  height:46px;
  padding:0 6px 0 14px;
  background:#F2F5FA;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease,height .2s ease;
}
.site-header.is-stuck .nav-search{height:40px;}
.nav-search:focus-within{
  background:#FFFFFF;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(43,91,168,.16);
}
.search-icon{color:var(--t3);flex:none;}
.search-input{
  flex:1;min-width:0;border:0;background:transparent;
  height:100%;font-size:15px;color:var(--t1);
}
.search-input::placeholder{color:var(--t3);}
.search-input:focus{outline:none;}
.search-btn{
  flex:none;height:34px;padding:0 20px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#FFFFFF;
  font-size:14px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--c-primary-d);}
.search-btn:active{transform:scale(.97);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);
  background:#FFFFFF;color:var(--t1);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-cats{
  display:flex;align-items:center;gap:10px;
  flex-wrap:wrap;
  min-height:44px;
  padding:0 0 10px;
}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14px;color:var(--t2);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.cat-pill:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.cat-pill.is-active{
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  font-weight:600;
  border-color:rgba(43,91,168,.18);
}
.cat-pill .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
  opacity:0;transition:opacity .2s ease;
}
.cat-pill.is-active .dot{opacity:1;}
.hot-note{
  margin-left:4px;font-size:13px;color:var(--t3);
  letter-spacing:.4px;
}

/* mobile drawer */
.nav-drawer{
  position:fixed;inset:0;
  z-index:300;
  background:#FFFFFF;
  transform:translateX(100%);
  transition:transform .22s ease;
  display:flex;flex-direction:column;
  padding:16px 16px 32px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);background:#FFFFFF;color:var(--t1);
}
.nav-drawer .nav-search{width:100%;margin:0 0 18px;height:46px;}
.drawer-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-md);
  font-size:16px;color:var(--t1);background:#FAFBFD;
}
.drawer-list a.is-active{
  background:var(--c-primary-l);border-color:rgba(43,91,168,.2);
  color:var(--c-primary-d);font-weight:600;
}
.drawer-cta{display:flex;flex-direction:column;gap:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:1px solid transparent;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  line-height:1;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#FFFFFF;}
.btn-primary:hover{background:var(--c-primary-d);color:#FFFFFF;box-shadow:0 10px 22px rgba(30,70,130,.22);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:#FFFFFF;}
.btn-accent:hover{background:#E85C31;color:#FFFFFF;box-shadow:0 10px 22px rgba(255,107,61,.26);transform:translateY(-2px);}
.btn-ghost{background:#FFFFFF;color:var(--t1);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:#FFFFFF;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  background:none;border:0;padding:0;
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(4px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:5px;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:500;
  white-space:nowrap;
}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary-d);}
.tag-mint{background:var(--c-mint-l);color:#0B7C6B;}
.tag-accent{background:var(--c-accent-l);color:#C8441D;}
.tag-line{background:#FFFFFF;color:var(--t2);border:1px solid var(--line-strong);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:40px 0 64px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(43,91,168,.055) 0 1px,transparent 1px 28px);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  width:420px;height:420px;border-radius:50%;
  right:-140px;top:-160px;
  background:var(--c-primary-l);
  opacity:.65;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:820px;margin:0 auto;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:13px;color:var(--t3);
  margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C6D0DD;}
.breadcrumb .current{color:var(--t1);}
.hero h1{
  font-size:36px;line-height:1.25;font-weight:700;letter-spacing:-.4px;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;color:var(--c-primary);
  box-shadow:inset 0 -8px 0 rgba(43,91,168,.14);
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--t2);
  max-width:660px;margin:0 auto 28px;
}
.hero-search{
  display:flex;align-items:center;gap:8px;
  width:min(560px,100%);
  margin:0 auto;
  height:52px;padding:0 6px 0 18px;
  background:#FFFFFF;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  box-shadow:var(--sh);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(43,91,168,.16);
}
.hero-search .search-input{font-size:15px;}
.hero-search .search-btn{height:40px;padding:0 24px;}
.hero-meta{
  display:flex;align-items:center;justify-content:center;gap:18px;
  flex-wrap:wrap;margin-top:22px;
  font-size:13px;color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta i{
  width:6px;height:6px;border-radius:50%;background:var(--c-mint);display:inline-block;
}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 14px;margin-bottom:12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.section-head h2{
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px;
  margin-bottom:10px;
}
.section-head p{font-size:16px;color:var(--t2);line-height:1.8;}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}

/* ---------- filters ---------- */
.filters{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:32px;
  padding-bottom:20px;
  border-bottom:1px dashed var(--line-strong);
}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:#FFFFFF;
  color:var(--t2);font-size:14px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.chip.is-active{
  background:var(--c-primary);border-color:var(--c-primary);
  color:#FFFFFF;font-weight:600;
  box-shadow:0 8px 18px rgba(43,91,168,.2);
}
.chip.is-active:hover{color:#FFFFFF;}

/* ---------- content grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.content-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(43,91,168,.28);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:#EEF3FA;
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.content-card:hover .card-media img{transform:scale(1.03);}
.card-badge{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:#FFFFFF;color:var(--c-primary-d);
  box-shadow:0 4px 12px rgba(18,38,74,.12);
}
.card-badge.accent{background:var(--c-accent);color:#FFFFFF;}
.card-badge.mint{background:var(--c-mint);color:#FFFFFF;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:20px;line-height:1.45;font-weight:700;margin-bottom:10px;}
.card-desc{font-size:15px;color:var(--t2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px dashed var(--line-strong);
  font-size:13px;color:var(--t3);
}

/* ---------- pagination ---------- */
.pagination{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:40px;flex-wrap:wrap;
}
.page-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:#FFFFFF;color:var(--t2);font-size:14px;
  transition:all .2s ease;
}
.page-num:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.page-num.is-active{
  background:var(--c-primary);border-color:var(--c-primary);
  color:#FFFFFF;font-weight:600;
}
.page-num.is-active:hover{color:#FFFFFF;}

/* ---------- tier list ---------- */
.tier-wrap{
  display:grid;grid-template-columns:0.9fr 1.4fr;gap:48px;align-items:start;
}
.tier-aside h2{font-size:30px;line-height:1.3;margin-bottom:14px;letter-spacing:-.3px;}
.tier-aside p{color:var(--t2);font-size:16px;line-height:1.85;margin-bottom:22px;}
.tier-points{display:flex;flex-direction:column;gap:12px;}
.tier-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--t1);line-height:1.7;
}
.tick{
  flex:none;width:22px;height:22px;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--c-mint-l);color:var(--c-mint);
}
.tier-table{
  width:100%;border-collapse:collapse;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.tier-table th,.tier-table td{
  padding:14px 18px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--line);
}
.tier-table thead th{
  background:#F0F5FF;
  font-size:14px;color:var(--c-primary-d);font-weight:700;
}
.tier-table tbody tr:nth-child(even){background:#FAFBFD;}
.tier-table tbody tr:last-child td{border-bottom:0;}
.tier-table td:first-child{color:var(--t1);font-weight:600;}
.tier-table .yes{color:#0B7C6B;font-weight:600;}
.tier-table .no{color:#C6D0DD;}
.table-scroll{overflow-x:auto;}
.table-hint{margin-top:14px;font-size:13px;color:var(--t3);}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#FFFFFF;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-family:var(--font-num);font-size:17px;font-weight:700;
  margin-bottom:16px;
}
.step h3{font-size:18px;line-height:1.5;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t2);line-height:1.75;}

/* ---------- stat band ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
}
.stat{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0;}
.stat strong{
  display:block;font-family:var(--font-num);
  font-size:36px;line-height:1.15;font-weight:700;color:var(--c-primary);
  letter-spacing:-.5px;
}
.stat span{display:block;font-size:14px;color:var(--t2);margin-top:6px;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(43,91,168,.28);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:14px 24px;
  background:none;border:0;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);
  line-height:1.6;
}
.faq-q:hover{color:var(--c-primary-d);}
.faq-icon{
  flex:none;width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  transition:transform .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  display:none;
  padding:0 24px 22px;
  font-size:15.5px;line-height:1.85;color:var(--t2);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- notice bar ---------- */
.notice-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
  padding:24px 28px;
  background:var(--c-mint-l);
  border:1px solid rgba(18,160,138,.22);
  border-radius:var(--r-lg);
}
.notice-left{display:flex;align-items:center;gap:16px;min-width:260px;flex:1;}
.notice-icon{
  flex:none;width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#FFFFFF;color:var(--c-mint);
  box-shadow:0 6px 16px rgba(18,160,138,.16);
}
.notice-left h3{font-size:17px;line-height:1.5;margin-bottom:2px;}
.notice-left p{font-size:14px;color:#3F5A56;line-height:1.7;}

/* ---------- cta / form ---------- */
.cta-band{
  background:var(--c-primary-l);
  border-radius:20px;
  padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
}
.cta-band h2{font-size:30px;line-height:1.3;margin-bottom:14px;letter-spacing:-.3px;}
.cta-band > div > p{color:#3A5273;font-size:16px;line-height:1.85;margin-bottom:22px;}
.cta-list{display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--t1);line-height:1.7;}
.form-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:28px;
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:14px;color:var(--t2);margin-bottom:20px;line-height:1.7;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;color:var(--t2);margin-bottom:8px;
}
.field label .req{color:var(--c-accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  background:#F7F9FD;
  color:var(--t1);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#FFFFFF;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(43,91,168,.16);
}
.form-hint{font-size:13px;color:var(--t3);margin-top:12px;line-height:1.7;}
.form-error{font-size:13px;color:var(--err);margin-top:6px;display:none;}
.field.has-error input{border-color:var(--err);}
.field.has-error .form-error{display:block;}

/* ---------- footer ---------- */
.site-footer{
  background:#FFFFFF;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.8;max-width:340px;}
.footer-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:var(--t1);
  margin-bottom:16px;letter-spacing:.2px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;color:var(--t2);line-height:1.8;margin-bottom:14px;max-width:280px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 22px;}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tier-wrap{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:36px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .nav-top{grid-template-columns:1fr auto;height:64px;gap:12px;}
  .site-header.is-stuck .nav-top{height:60px;}
  .nav-top .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cats{overflow-x:auto;flex-wrap:nowrap;padding-bottom:12px;scrollbar-width:none;}
  .nav-cats::-webkit-scrollbar{display:none;}
  .cat-pill{flex:none;}
  .hero{padding:28px 0 48px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .section-head p{font-size:15px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .cta-band{padding:28px 22px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
  .notice-bar{padding:20px 18px;}
  .tier-table th,.tier-table td{padding:12px 14px;font-size:14px;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a{padding:0 18px 18px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero h1{font-size:24px;}
  .section-head h2{font-size:20px;}
  .hero-search{height:48px;padding-left:14px;}
  .hero-search .search-btn{height:36px;padding:0 16px;font-size:13px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .nav-actions .btn-accent{height:38px;padding:0 14px;font-size:13px;}
  .brand-text{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .pagination{gap:6px;}
  .page-num{min-width:38px;height:38px;padding:0 10px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  a:hover,.content-card:hover,.step:hover,.btn:hover{transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --c-primary:#2B5BA8;
  --c-primary-d:#1E4682;
  --c-primary-l:#E8F0FB;
  --c-accent:#FF6B3D;
  --c-accent-d:#E85B2E;
  --c-mint:#12A08A;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --t1:#101B2C;
  --t2:#5B6979;
  --t3:#8A97A8;
  --danger:#D64545;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(18,38,74,.06);
  --shadow-h:0 14px 32px rgba(18,38,74,.10);
  --num:"Manrope","DIN Alternate","PingFang SC",system-ui,sans-serif;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(43,91,168,.35);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 2px 12px rgba(18,38,74,.08);}
.nav-top{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-stuck .nav-top{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-primary);
  color:#FFFFFF;
  display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(43,91,168,.22);
  flex:0 0 auto;
}
.brand-text{
  font-size:20px;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--t1);
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-search{
  flex:1 1 auto;
  max-width:560px;
  min-width:0;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 6px 0 14px;
  background:#F2F5FA;
  border:1px solid transparent;
  border-radius:999px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,height .2s ease;
}
.site-header.is-stuck .nav-search{height:40px;}
.nav-search:focus-within{
  background:#FFFFFF;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(43,91,168,.16);
}
.search-icon{color:var(--t3);flex:0 0 auto;}
.search-input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-family:inherit;
  font-size:14.5px;
  color:var(--t1);
  outline:none;
}
.search-input::placeholder{color:var(--t3);}
.search-btn{
  flex:0 0 auto;
  height:34px;
  padding:0 18px;
  border:0;
  border-radius:999px;
  background:var(--c-primary);
  color:#FFFFFF;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--c-primary-d);}
.search-btn:active{transform:scale(.97);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  margin-left:auto;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#FFFFFF;
  color:var(--t2);
  cursor:pointer;
  place-items:center;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 分类胶囊行 */
.nav-cats{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 15px;
  border-radius:999px;
  font-size:14px;
  color:var(--t2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.cat-pill:hover{background:var(--c-primary-l);color:var(--c-primary);}
.cat-pill .dot{
  width:6px;height:6px;border-radius:50%;
  background:currentColor;
  display:none;
}
.cat-pill.is-active{
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-weight:600;
}
.cat-pill.is-active .dot{display:block;}
.hot-note{
  margin-left:auto;
  padding-right:4px;
  font-size:12px;
  color:var(--t3);
  white-space:nowrap;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:1px solid transparent;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--c-primary);
  color:#FFFFFF;
  box-shadow:0 6px 16px rgba(43,91,168,.20);
}
.btn-primary:hover{
  background:var(--c-primary-d);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(43,91,168,.26);
}
.btn-accent{
  background:var(--c-accent);
  color:#FFFFFF;
  box-shadow:0 6px 16px rgba(255,107,61,.22);
}
.btn-accent:hover{
  background:var(--c-accent-d);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(255,107,61,.28);
}
.btn-ghost{
  background:#FFFFFF;
  color:var(--t1);
  border-color:#D6DFEC;
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:32px 0 64px;
  background:linear-gradient(180deg,#F5F8FC 0%,#EDF3FC 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-140px;right:-90px;
  width:360px;height:360px;
  border-radius:50%;
  background:var(--c-primary-l);
  opacity:.9;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(43,91,168,.06) 0 1px,transparent 1px 28px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:24px;
}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C6D0DD;}
.breadcrumb .current{color:var(--t1);}
.hero-narrow{max-width:880px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  margin-bottom:18px;
  border-radius:999px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
}
.page-hero h1{
  font-size:36px;
  line-height:1.28;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.page-hero h1 .hl{color:var(--c-primary);}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--t2);
  max-width:780px;
  margin-bottom:26px;
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  background:#FFFFFF;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--t2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pill:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
  box-shadow:0 8px 18px rgba(18,38,74,.07);
}

/* ============ 数据条 ============ */
.stats-band{background:#FFFFFF;border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{
  padding:28px 20px;
  text-align:center;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-family:var(--num);
  font-size:36px;
  font-weight:700;
  line-height:1.1;
  color:var(--c-primary);
  letter-spacing:-.5px;
}
.stat-label{font-size:14px;color:var(--t2);margin-top:6px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-white{background:#FFFFFF;}
.section-head{max-width:760px;margin-bottom:40px;}
.label{
  display:inline-block;
  padding:5px 12px;
  margin-bottom:12px;
  border-radius:999px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
}
.section-head h2{
  font-size:30px;
  line-height:1.32;
  letter-spacing:-.4px;
  margin-bottom:12px;
}
.section-desc{font-size:16px;color:var(--t2);line-height:1.8;}

/* ============ 开通流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-h);
  border-color:#D6E2F5;
}
.step-no{
  width:38px;height:38px;
  margin-bottom:16px;
  border-radius:12px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-family:var(--num);
  font-size:17px;
  font-weight:700;
  display:grid;place-items:center;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--t2);line-height:1.8;}

/* ============ 两栏：目录 + 内容 ============ */
.two-col{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.toc{position:sticky;top:104px;}
.toc-title{
  padding-left:14px;
  margin-bottom:14px;
  font-size:13px;
  font-weight:700;
  color:var(--t3);
  letter-spacing:.06em;
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;
  padding:9px 14px;
  border-left:3px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:14.5px;
  color:var(--t2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc a:hover{color:var(--c-primary);background:#FFFFFF;}
.toc a.is-active{
  color:var(--c-primary);
  font-weight:600;
  border-left-color:var(--c-primary);
  background:#FFFFFF;
}
.group{
  margin-bottom:56px;
  scroll-margin-top:120px;
}
.group:last-child{margin-bottom:0;}
.group h3{
  font-size:22px;
  line-height:1.4;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
  margin-bottom:14px;
}
.group-lead{font-size:15.5px;color:var(--t2);margin-bottom:20px;line-height:1.85;}
.info-list{
  display:grid;
  gap:12px;
  margin-bottom:18px;
}
.info-list li{
  position:relative;
  padding-left:30px;
  font-size:15.5px;
  color:var(--t2);
  line-height:1.8;
}
.info-list li::before{
  content:"✓";
  position:absolute;
  left:0;top:3px;
  width:18px;height:18px;
  border-radius:50%;
  background:rgba(18,160,138,.12);
  color:var(--c-mint);
  font-size:12px;
  font-weight:700;
  display:grid;place-items:center;
  line-height:1;
}
.note-box{
  padding:16px 20px;
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:#F0F5FF;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}

/* ============ 规则表 ============ */
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:#FFFFFF;
  box-shadow:var(--shadow);
  margin-bottom:18px;
}
.rule-table{
  width:100%;
  min-width:600px;
  border-collapse:collapse;
  font-size:15px;
}
.rule-table th,
.rule-table td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.rule-table thead th{
  background:#F0F5FC;
  color:var(--c-primary);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
}
.rule-table tbody tr:nth-child(even){background:#FAFBFD;}
.rule-table tbody tr:last-child td{border-bottom:0;}
.rule-table td:first-child{
  font-weight:600;
  color:var(--t1);
  white-space:nowrap;
}
.rule-table td{color:var(--t2);line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6E2F5;}
.faq-q{
  width:100%;
  min-height:56px;
  padding:16px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:16px;
  font-weight:700;
  line-height:1;
  display:grid;place-items:center;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-ico{
  transform:rotate(45deg);
  background:var(--c-primary);
  color:#FFFFFF;
}
.faq-a{
  display:none;
  padding:0 24px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--t2);
}
.faq-item.open .faq-a{display:block;}

/* ============ 协助表单 ============ */
.assist{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.assist-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
}
.assist-media p{
  margin-top:14px;
  font-size:14px;
  color:var(--t3);
}
.form-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-intro{font-size:14px;color:var(--t2);margin-bottom:20px;}
.form-row{margin-bottom:16px;}
.form-row label{
  display:block;
  margin-bottom:8px;
  font-size:14px;
  color:var(--t2);
}
.req{color:var(--c-accent);}
.form-input{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#F7F9FD;
  font-family:inherit;
  font-size:15px;
  color:var(--t1);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
textarea.form-input{
  height:110px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.form-input::placeholder{color:var(--t3);}
.form-input:focus{
  outline:none;
  background:#FFFFFF;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(43,91,168,.16);
}
.form-hint{
  margin-top:12px;
  font-size:13px;
  color:var(--t3);
  line-height:1.7;
}

/* ============ 尾部 CTA ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:44px;
  border-radius:var(--r-lg);
  background:var(--c-primary-l);
  border:1px solid #D8E5F8;
}
.cta-band h2{font-size:26px;line-height:1.35;margin-bottom:8px;}
.cta-band p{font-size:15.5px;color:var(--t2);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:#FFFFFF;
  border-top:1px solid var(--line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin:16px 0 18px;
  max-width:340px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary);}
.tag-mint{background:rgba(18,160,138,.12);color:#0E8571;}
.tag-accent{background:rgba(255,107,61,.12);color:#D9522A;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;color:var(--t2);margin-bottom:14px;line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1100px;}
  .two-col{gap:36px;}
}
@media (max-width:1024px){
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .two-col{grid-template-columns:1fr;}
  .toc{
    position:static;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    padding-bottom:8px;
    margin-bottom:12px;
    overflow-x:auto;
  }
  .toc-title{width:100%;padding-left:0;margin-bottom:4px;}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc a{
    border-left:0;
    border-radius:999px;
    border:1px solid var(--line);
    background:#FFFFFF;
    font-size:14px;
    padding:7px 14px;
  }
  .toc a.is-active{border-color:var(--c-primary);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-top{
    flex-wrap:wrap;
    height:auto;
    padding:12px 0;
    gap:12px;
  }
  .site-header.is-stuck .nav-top{height:auto;padding:10px 0;}
  .brand-text{font-size:17px;}
  .nav-search{
    order:3;
    flex:1 0 100%;
    max-width:none;
    height:44px;
    margin:0;
  }
  .site-header.is-stuck .nav-search{height:44px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cats{
    display:none;
    height:auto;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:6px 0 14px;
    overflow:visible;
  }
  .nav-cats.open{display:flex;}
  .cat-pill{
    height:44px;
    justify-content:flex-start;
    padding:0 16px;
    width:100%;
  }
  .hot-note{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero{padding:24px 0 44px;}
  .page-hero h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .section-head{margin-bottom:28px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{
    border-right:0;
    border-bottom:1px solid var(--line);
    padding:20px 12px;
  }
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .stat-num{font-size:28px;}
  .stat-label{font-size:13px;}
  .flow-grid{grid-template-columns:1fr;gap:16px;}
  .step:hover{transform:none;}
  .assist{grid-template-columns:1fr;gap:24px;}
  .form-card{padding:22px;}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .group h3{font-size:20px;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .nav-actions .btn-ghost{display:none;}
  .search-btn{padding:0 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:center;text-align:center;}
  .page-hero h1{font-size:24px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .pill{height:36px;font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
  .step:hover,.pill:hover,.btn:hover{transform:none;}
}