/* roulang page: index */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-light:#E8F0FD;
  --accent:#F97316;
  --accent-dark:#E0620A;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --ink:#16233A;
  --muted:#5B6B82;
  --hint:#8A98AD;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 2px 4px rgba(22,35,58,.04);
  --sh-2:0 2px 4px rgba(22,35,58,.04),0 12px 28px rgba(22,35,58,.07);
  --sh-hover:0 16px 32px rgba(27,95,193,.12);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:20px;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;letter-spacing:.01em;}
h2{font-size:clamp(23px,2.6vw,31px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{color:var(--muted);}
::selection{background:var(--brand-light);color:var(--brand-dark);}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--white{background:var(--surface);}
.section--soft{background:var(--brand-light);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head p{margin-top:10px;font-size:15px;max-width:640px;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.sec-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.sec-link:hover{text-decoration:underline;}

/* 顶部倒计时条 */
.cd-bar{background:var(--brand-dark);color:#fff;min-height:48px;display:flex;align-items:center;}
.cd-inner{display:flex;align-items:center;gap:18px;justify-content:space-between;width:100%;max-width:var(--wrap);margin:0 auto;padding:6px 24px;}
.cd-text{font-size:14px;font-weight:600;letter-spacing:.02em;display:flex;align-items:center;gap:8px;color:#fff;opacity:.96;}
.cd-clock{display:flex;align-items:center;gap:6px;}
.cd-cell{background:var(--accent);border-radius:8px;padding:2px 8px;min-width:38px;text-align:center;display:flex;flex-direction:column;line-height:1.1;}
.cd-cell b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;}
.cd-cell span{font-size:10px;opacity:.9;color:#fff;}
.cd-close{width:26px;height:26px;border-radius:8px;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .2s ease;}
.cd-close:hover{background:rgba(255,255,255,.16);}
.cd-close:focus-visible{outline:3px solid rgba(255,255,255,.5);outline-offset:2px;}

/* 导航 */
.site-head{position:sticky;top:0;z-index:1030;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-head.is-scrolled{box-shadow:0 8px 24px rgba(22,35,58,.09);}
.header-top{display:flex;align-items:center;gap:26px;height:78px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 6px 14px rgba(27,95,193,.28);}
.brand-name{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.brand:hover .brand-name{color:var(--brand-dark);}
.nav-search{flex:1 1 auto;max-width:560px;position:relative;display:flex;align-items:center;background:#F7FAFE;border:1px solid var(--line);border-radius:999px;height:52px;padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.16);}
.nav-search .fa-magnifying-glass{color:var(--hint);font-size:15px;}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--ink);padding:0 12px;height:100%;font-family:inherit;}
.nav-search input::placeholder{color:var(--hint);}
.nav-search button{height:40px;padding:0 20px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease,box-shadow .2s ease;font-family:inherit;}
.nav-search button:hover{background:#17529f;box-shadow:0 8px 16px rgba(27,95,193,.24);}
.nav-search button:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.link-quiet{font-size:14px;font-weight:600;color:var(--muted);}
.link-quiet:hover{color:var(--brand-dark);text-decoration:underline;}
.chips{display:flex;gap:10px;justify-content:center;padding:0 0 14px;overflow-x:auto;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;border:1px solid transparent;background:#F2F6FD;color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;transition:all .2s ease;}
.chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.chip.is-active{background:var(--brand);color:#fff;}
.chip.is-active:hover{background:var(--brand-dark);color:#fff;}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;cursor:pointer;}
.burger:hover{border-color:var(--brand);color:var(--brand);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel .nav-search{max-width:none;height:48px;margin-bottom:16px;}
.mobile-links{display:flex;flex-direction:column;}
.mobile-links a{display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-soft);}
.mobile-links a:hover{color:var(--brand);}
.mobile-links a i{font-size:12px;color:var(--hint);}
.mobile-cta{margin-top:18px;display:flex;gap:12px;}
body.nav-open .mobile-panel{display:block;}

/* 按钮 */
.bl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background-color .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease,transform .12s ease;text-align:center;}
.bl-btn:active{transform:translateY(1px);}
.bl-btn:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;}
.bl-btn--main{background:var(--brand);color:#fff;}
.bl-btn--main:hover{background:#17529f;color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28);}
.bl-btn--outline{background:#fff;color:var(--brand);border-color:#BBD2F2;}
.bl-btn--outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);}
.bl-btn--accent{background:var(--accent);color:#fff;}
.bl-btn--accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.3);}
.bl-btn--sm{height:42px;padding:0 18px;font-size:14px;}
.bl-btn--full{width:100%;}

/* Hero */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,#F2F7FE 100%);padding:56px 0 80px;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--hint);margin-bottom:14px;flex-wrap:wrap;}
.crumb a{color:var(--hint);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CEDD;}
.crumb .now{color:var(--muted);font-weight:600;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ok);background:rgba(15,163,127,.1);padding:5px 12px;border-radius:999px;margin-bottom:18px;}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.hstat b{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.hstat span{font-size:13px;color:var(--hint);}
.hero-media{position:relative;}
.hero-media img{width:100%;height:380px;object-fit:cover;border-radius:20px;box-shadow:0 18px 40px rgba(22,35,58,.14);}
.hero-float{position:absolute;right:-12px;bottom:-24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:16px 18px;display:flex;align-items:center;gap:14px;min-width:238px;}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(15,163,127,.16);flex:0 0 auto;}
.hero-float strong{display:block;font-size:15px;color:var(--ink);line-height:1.4;}
.hero-float small{font-size:12px;color:var(--hint);}

/* 卖点 */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{position:relative;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:28px 26px 26px 30px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.point-card::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:3px;background:var(--brand);}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE0F8;}
.point-no{font-size:34px;font-weight:800;color:#C9DBF5;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-bottom:14px;}
.point-card h3{margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.point-card h3 i{color:var(--brand);font-size:17px;}
.point-card p{font-size:15px;line-height:1.8;margin:0;}

/* 图墙 */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:152px;gap:16px;}
.g-item{position:relative;overflow:hidden;border-radius:16px;border:1px solid var(--line-soft);background:#DCE6F5;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.g-item:hover img{transform:scale(1.04);}
.g-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 13px;background:linear-gradient(180deg,rgba(9,20,38,0) 0%,rgba(9,20,38,.78) 100%);color:#fff;font-size:14px;font-weight:600;transform:translateY(6px);opacity:.94;transition:transform .3s ease,opacity .3s ease;}
.g-item:hover .g-cap{transform:translateY(0);opacity:1;}
.g-item:nth-child(1){grid-column:1;grid-row:span 2;}
.g-item:nth-child(2){grid-column:2;}
.g-item:nth-child(3){grid-column:3;}
.g-item:nth-child(4){grid-column:2;}
.g-item:nth-child(5){grid-column:3;}
.g-item:nth-child(6){grid-column:1 / -1;}
.g-item:nth-child(6) .g-cap{font-size:15px;}

/* 标签 */
.tag{display:inline-block;font-size:13px;line-height:1.6;padding:3px 10px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-weight:600;}
.tag--ok{background:rgba(15,163,127,.12);color:var(--ok);}
.tag--warn{background:rgba(249,115,22,.12);color:var(--accent-dark);}

/* CMS 列表 */
.cms-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.cms-lead{display:block;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%;}
.cms-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE0F8;}
.cms-lead h3{font-size:22px;margin:14px 0 12px;color:var(--ink);}
.cms-lead:hover h3{color:var(--brand);}
.cms-lead p{font-size:15px;line-height:1.85;margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cms-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--hint);font-variant-numeric:tabular-nums;margin-bottom:20px;}
.cms-arrow{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;}
.cms-side{display:flex;flex-direction:column;gap:14px;}
.cms-row{display:block;background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.cms-row:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#CFE0F8;}
.cms-row-title{display:block;font-size:17px;font-weight:600;color:var(--ink);margin:8px 0 6px;line-height:1.5;}
.cms-row:hover .cms-row-title{color:var(--brand);}
.cms-row-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;color:var(--muted);line-height:1.7;}
.cms-row-meta{display:block;margin-top:10px;font-size:13px;color:var(--hint);font-variant-numeric:tabular-nums;}
.cms-empty{border:1px dashed #C9D8EE;border-radius:var(--r-lg);background:#FBFDFF;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:30px;}
.cms-empty i{font-size:26px;color:#A9BCD8;}
.cms-empty p{font-size:14px;margin:0;color:var(--muted);}

/* CTA 表单 */
.cta-band{background:var(--brand-light);border-top:1px solid #D8E5F9;border-bottom:1px solid #D8E5F9;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-left h2{margin-bottom:16px;}
.cta-left p{font-size:16px;line-height:1.85;margin-bottom:22px;}
.cta-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);}
.cta-list i{color:var(--ok);margin-top:6px;font-size:13px;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2);}
.form-card h3{margin-bottom:6px;font-size:20px;}
.form-card .form-tip-top{font-size:13px;color:var(--hint);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select{width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;}
.field input::placeholder{color:var(--hint);}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.16);}
.field .help{display:block;margin-top:6px;font-size:13px;color:var(--hint);}
.form-note{margin-top:14px;font-size:13px;color:var(--hint);line-height:1.7;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-aside h2{margin-bottom:14px;}
.faq-aside p{font-size:15px;line-height:1.8;}
.faq-stamp{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);background:var(--brand-light);border-radius:999px;padding:6px 14px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#CFE0F8;box-shadow:var(--sh-2);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;font-size:16px;font-weight:600;color:var(--ink);position:relative;transition:color .2s ease;border-left:3px solid transparent;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary:focus-visible{outline:3px solid rgba(27,95,193,.3);outline-offset:-3px;}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--brand);line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{border-left-color:var(--brand);color:var(--brand-dark);}
.faq-body{padding:0 22px 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid var(--line-soft);margin-top:-1px;padding-top:16px;}

/* 页脚 */
.site-foot{background:var(--brand-dark);color:#D6E2F6;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.foot-brand .brand-mark{background:#fff;color:var(--brand-dark);box-shadow:none;}
.foot-brand span{font-size:18px;font-weight:800;color:#fff;}
.site-foot p{color:#A9C0E3;font-size:14px;line-height:1.85;margin:0;max-width:330px;}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:#A9C0E3;}
.foot-col a:hover{color:#fff;text-decoration:underline;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9DB5D9;}
.foot-bottom .fl{display:flex;gap:18px;flex-wrap:wrap;}
.foot-bottom a{color:#9DB5D9;}
.foot-bottom a:hover{color:#fff;}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:#fff;color:var(--brand);border:1px solid var(--line);box-shadow:var(--sh-2);display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:1040;}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--brand-dark);box-shadow:var(--sh-hover);}
.to-top:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;}

@media (max-width:1200px){
  .header-top{gap:18px;}
  .nav-search{max-width:420px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .nav-search{display:none;}
  .header-actions .link-quiet{display:none;}
  .burger{display:inline-flex;}
  .chips{justify-content:flex-start;padding-bottom:12px;}
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{height:300px;}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;}
  .cms-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .cd-inner{padding:6px 18px;gap:10px;}
  .cd-text span.long{display:none;}
  .cd-cell{min-width:34px;padding:2px 6px;}
  .cd-cell b{font-size:17px;}
  .point-grid{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .g-item:nth-child(1){grid-column:auto;grid-row:auto;}
  .g-item:nth-child(2),.g-item:nth-child(3),.g-item:nth-child(4),.g-item:nth-child(5){grid-column:auto;grid-row:auto;}
  .g-item:nth-child(6){grid-column:1 / -1;}
  .hero-stats{gap:24px;}
  .hero-media img{height:240px;}
  .sec-head{margin-bottom:28px;}
  .form-card{padding:24px 20px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:576px){
  .section{padding:44px 0;}
  .hero{padding:32px 0 48px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .bl-btn{width:100%;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:170px;}
  .g-item:nth-child(6){grid-column:auto;}
  .cms-lead{padding:24px 20px;}
  .cms-lead h3{font-size:19px;}
  .faq-item summary{font-size:15px;padding:16px 46px 16px 16px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .to-top{right:16px;bottom:16px;}
}

/* roulang page: article */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-light:#E8F0FD;
  --accent:#F97316;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --ink:#16233A;
  --muted:#5B6B82;
  --faint:#8A98AD;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-sm:0 2px 4px rgba(22,35,58,.04),0 12px 28px rgba(22,35,58,.07);
  --shadow-hover:0 16px 32px rgba(27,95,193,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ============ 顶部活动条 ============ */
.topbar{background:var(--brand-dark);color:#fff;font-size:14px}
.topbar-inner{display:flex;align-items:center;gap:18px;height:48px}
.topbar-text{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-text i{color:#9FC2F5}
.cd{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd span{display:inline-flex;align-items:baseline;gap:2px}
.cd b{
  display:inline-block;min-width:34px;text-align:center;background:var(--accent);color:#fff;
  font-size:20px;font-weight:700;line-height:1.5;border-radius:8px;padding:0 6px;
  font-variant-numeric:tabular-nums;
}
.cd i{font-style:normal;font-size:12px;color:#C8DCFB;margin-left:2px}
.topbar-close{
  width:24px;height:24px;border-radius:8px;border:1px solid rgba(255,255,255,.35);
  background:transparent;color:#fff;display:grid;place-items:center;font-size:12px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6)}
@media (max-width:768px){
  .topbar-text{display:none}
  .cd{margin-left:0}
}

/* ============ 头部导航 ============ */
.site-head{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-head.is-stuck{box-shadow:0 6px 18px rgba(22,35,58,.08)}
.nav-row{display:flex;align-items:center;gap:24px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);flex:0 0 auto;letter-spacing:.01em}
.logo:hover{color:var(--brand-dark)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;
}
.nav-search{position:relative;flex:1 1 auto;max-width:560px}
.nav-search input{
  width:100%;height:52px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:#F7FAFF;padding:0 128px 0 46px;font-size:15px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--faint)}
.nav-search input:focus{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.18);
}
.nav-search .s-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:15px}
.nav-search .s-btn{
  position:absolute;right:6px;top:6px;height:40px;padding:0 22px;border:0;border-radius:var(--radius-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,transform .15s ease;
}
.nav-search .s-btn:hover{background:#17539f;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.nav-search .s-btn:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1;padding:0 24px;height:46px;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .12s ease;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,95,193,.35)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#17539f;color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e2660c;color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.3)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C6D9F5}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.btn-link-plain{background:none;border:0;color:var(--muted);font-size:14px;font-weight:600;padding:0 4px;height:46px}
.btn-link-plain:hover{color:var(--brand)}
.burger{display:none;width:46px;height:46px;border-radius:var(--radius-md);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;align-items:center;justify-content:center;cursor:pointer}
.burger:hover{background:var(--brand-light);color:var(--brand)}

.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0 0 16px}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);background:#F1F6FD;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-light);color:var(--brand);border-color:#CFE0F8}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.chip.is-active:hover{background:var(--brand-dark);color:#fff}

.mobile-menu{border-top:1px solid var(--line-soft);padding:16px 0 20px;background:#fff}
.mobile-menu .nav-search{max-width:none;margin-bottom:14px}
.mobile-chips{display:flex;flex-direction:column;gap:4px}
.mobile-chips .chip{height:48px;justify-content:flex-start;border-radius:var(--radius-md);background:#fff;border:1px solid var(--line-soft)}
.mobile-chips .chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}

@media (max-width:992px){
  .nav-search{display:none}
  .btn-link-plain{display:none}
  .burger{display:inline-flex}
  .nav-row{gap:14px;flex-wrap:wrap}
  .nav-actions{gap:10px}
  .logo{font-size:17px}
}
@media (max-width:576px){
  .logo{font-size:16px}
  .nav-actions .btn-primary{display:none}
  .chips{display:none}
}

/* ============ 页面主体 ============ */
.page-main{padding:32px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--faint);margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CEDE}
.crumb .cur{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.art-head{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);margin-bottom:24px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand-light);color:var(--brand);font-size:13px;font-weight:600;
}
.art-head h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.32;font-weight:800;letter-spacing:.01em;margin:14px 0 0;
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:18px;padding-top:18px;
  border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--muted);
}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{color:#A9B8CC;font-size:13px}
.art-meta em{font-style:normal;color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* 正文排版 */
.art-body{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow-sm);font-size:17px;line-height:1.9;color:#22304A;
  max-width:100%;overflow-wrap:break-word;
}
.art-body > *:first-child{margin-top:0}
.art-body p{margin:0 0 18px}
.art-body h2{
  font-size:clamp(21px,2.4vw,26px);line-height:1.45;font-weight:700;margin:32px 0 16px;
  padding-left:14px;border-left:4px solid var(--brand);color:var(--ink);
}
.art-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:24px 0 12px;color:var(--ink)}
.art-body h4{font-size:17px;font-weight:600;margin:20px 0 10px}
.art-body ul,.art-body ol{padding-left:20px;margin:0 0 18px}
.art-body li{margin:6px 0;line-height:1.9}
.art-body img{border-radius:14px;margin:22px auto;max-width:100%}
.art-body figure{margin:22px 0}
.art-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:8px}
.art-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--brand-light);border-left:3px solid var(--brand);
  border-radius:0 var(--radius-md) var(--radius-md) 0;color:#2B3A52;font-size:16px;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:var(--brand-dark)}
.art-body strong{font-weight:700;color:var(--ink)}
.art-body table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.art-body thead th{background:var(--brand-light);color:var(--brand-dark);font-weight:600;text-align:left}
.art-body th,.art-body td{padding:12px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.art-body tbody tr:nth-child(even) td{background:#FAFCFF}
.art-body tbody tr:last-child td{border-bottom:0}
.art-body .table-wrap{overflow-x:auto}

.empty-state{
  border:1px dashed #C6D5E8;border-radius:var(--radius-lg);background:#FBFDFF;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:32px 20px;
}
.empty-state i{font-size:26px;color:#A9BBD4}
.empty-state p{font-size:14px;color:var(--muted);margin:0}
.empty-state .btn{margin-top:4px}

/* 文末 */
.art-foot{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.pager a{
  display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0F8}
.pager .k{font-size:12.5px;color:var(--faint);display:block;margin-bottom:6px}
.pager .t{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.pager a:hover .t{color:var(--brand)}
@media (max-width:768px){
  .art-body{padding:22px;font-size:16px}
  .art-head{padding:22px}
  .pager{grid-template-columns:1fr}
}

/* 侧栏 */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}
.side-card h2{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h2 i{color:var(--brand);font-size:15px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line-soft)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li:first-child{padding-top:0}
.side-list a{display:block;font-size:14.5px;font-weight:500;color:var(--ink);line-height:1.65}
.side-list a:hover{color:var(--brand)}
.side-list .d{font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;margin-top:4px;display:block}
.side-chips{display:flex;flex-wrap:wrap;gap:8px}
.side-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--radius-pill);
  background:#F1F6FD;color:var(--muted);font-size:13.5px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.side-chips a:hover{background:var(--brand);color:#fff}
.side-cta{background:linear-gradient(160deg,#E8F0FD 0%,#F5F9FF 100%);border:1px solid #D5E5FA}
.side-cta h2{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.side-cta .btn{width:100%}
@media (max-width:992px){
  .side{position:static;margin-top:24px}
}

/* 相关推荐 */
.rec-sec{padding:64px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-head h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.4}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px}
.sec-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.sec-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0F8;color:inherit}
.rec-media{aspect-ratio:16/10;overflow:hidden;background:#EAF1FB}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-media img{transform:scale(1.04)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
@media (max-width:992px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:576px){.rec-grid{grid-template-columns:1fr}.rec-sec{padding-top:44px}}

/* FAQ */
.faq-sec{padding:64px 0}
.faq-wrap{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.acc-item{border-bottom:1px solid var(--line-soft)}
.acc-item:last-child{border-bottom:0}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;background:#fff;border:0;text-align:left;font-size:16px;font-weight:600;
  color:var(--ink);cursor:pointer;transition:background .2s ease,color .2s ease;
}
.acc-btn:hover{background:#F8FBFF;color:var(--brand)}
.acc-btn .ic{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand-light);
  color:var(--brand);display:grid;place-items:center;font-size:12px;transition:transform .25s ease,background .2s ease}
.acc-btn[aria-expanded="true"]{color:var(--brand)}
.acc-btn[aria-expanded="true"] .ic{background:var(--brand);color:#fff;transform:rotate(45deg)}
.acc-panel{padding:0 24px 18px;font-size:15px;line-height:1.85;color:var(--muted);border-left:3px solid transparent}
.acc-panel.open{border-left-color:var(--brand);padding-left:21px}

/* CTA */
.cta-band{padding:0 0 72px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:20px;padding:48px;
  background:linear-gradient(135deg,#123E86 0%,#1B5FC1 62%,#2A72D6 100%);color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);line-height:1.4;color:#fff;font-weight:700}
.cta-inner p{font-size:15px;color:#CFE0F8;margin-top:12px;line-height:1.85;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:2}
.cta-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45);color:#fff}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff}
@media (max-width:992px){
  .cta-inner{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:576px){
  .cta-inner{padding:26px 20px}
  .cta-actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-foot{background:#0F2B5B;color:#C9D9F0;padding:56px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-brand .brand-mark{background:var(--accent)}
.site-foot p{color:#9FB6D6;line-height:1.85;font-size:13.5px;max-width:340px}
.foot-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:#9FB6D6;font-size:13.5px}
.foot-col a:hover{color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;flex-wrap:wrap;
  gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#8FA8CA;
}
.foot-bottom .fl{display:flex;flex-wrap:wrap;gap:18px}
.foot-bottom a{color:#8FA8CA}
.foot-bottom a:hover{color:#fff}
@media (max-width:992px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:576px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

.back-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand);display:none;place-items:center;
  box-shadow:var(--shadow-sm);cursor:pointer;z-index:1200;transition:background .2s ease,color .2s ease;
}
.back-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.back-top.show{display:grid}
@media (max-width:576px){.back-top{right:16px;bottom:16px}}

/* roulang page: category1 */
:root{
  --blue:#1B5FC1;
  --blue-dark:#123E86;
  --blue-deep:#0F2A56;
  --blue-soft:#E8F0FD;
  --orange:#F97316;
  --green:#0FA37F;
  --red:#D64545;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --border:#E3E9F2;
  --border-soft:#E9EEF7;
  --ink:#16233A;
  --muted:#5B6B82;
  --hint:#8A98AD;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 2px 4px rgba(22,35,58,.04), 0 12px 28px rgba(22,35,58,.07);
  --shadow-hover:0 16px 32px rgba(27,95,193,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--blue);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--blue-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1280px;}}

/* ===== Header ===== */
.site-head{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.site-head.is-scrolled{box-shadow:0 8px 24px rgba(22,35,58,.08);}
.topbar{background:var(--blue-dark);color:#fff;}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;font-size:13px;}
.tb-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;}
.tb-status i{color:#7FD8C0;font-size:12px;}
.tb-note{color:rgba(255,255,255,.72);}
.head-main{display:flex;align-items:center;gap:24px;padding-top:16px;padding-bottom:14px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand:hover{color:var(--blue);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;}
.head-search{flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;height:52px;padding:0 6px 0 18px;background:#F7FAFF;border:1px solid var(--border);border-radius:999px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;}
.head-search:focus-within{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,95,193,.18);}
.head-search i{color:var(--hint);font-size:15px;}
.head-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;height:100%;font-size:15px;color:var(--ink);}
.head-search input::placeholder{color:var(--hint);}
.head-search button{height:40px;padding:0 20px;border:0;border-radius:999px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .22s ease,box-shadow .22s ease;white-space:nowrap;}
.head-search button:hover{background:var(--blue-dark);box-shadow:0 6px 14px rgba(27,95,193,.28);}
.head-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.link-quiet{font-size:14px;font-weight:600;color:var(--muted);}
.link-quiet:hover{color:var(--blue);text-decoration:underline;}
.nav-row{padding-bottom:12px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);background:#F2F6FD;border:1px solid transparent;transition:background .22s ease,color .22s ease,box-shadow .22s ease;}
.chip:hover{background:var(--blue-soft);color:var(--blue);border-color:#D8E5F9;}
.chip.is-active{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(27,95,193,.24);}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,95,193,.35);}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .18s ease,border-color .22s ease;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,95,193,.35);}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(27,95,193,.18);}
.btn-primary:hover{background:#1A56AD;color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--blue);border-color:#C7D8F2;}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);border-color:#A9C4EC;}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 4px 12px rgba(249,115,22,.22);}
.btn-accent:hover{background:#E2660E;color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.3);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost-light:focus-visible{box-shadow:0 0 0 3px rgba(255,255,255,.4);}

/* ===== Page hero ===== */
.page-hero{padding:36px 0 68px;background:linear-gradient(180deg,rgba(234,242,254,.97),rgba(245,248,253,.99)),url("/assets/images/backpic/back-1.png") center/cover no-repeat;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--blue);text-decoration:underline;}
.crumb .sep{color:var(--hint);}
.crumb .current{color:var(--ink);font-weight:600;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--blue);background:#fff;border:1px solid #CFDFF6;border-radius:999px;padding:4px 14px;margin-bottom:16px;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;letter-spacing:.01em;}
.lede{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:640px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:13px;color:var(--muted);}
.hero-meta i{color:var(--blue);margin-right:6px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{position:relative;margin:0;border-radius:20px;overflow:hidden;box-shadow:0 18px 40px rgba(18,62,134,.16);background:var(--blue-soft);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 22px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(18,62,134,0),rgba(18,62,134,.86));}

/* ===== Section shell ===== */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--muted);}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,#CFDFF6,#CFDFF6);z-index:0;}
.step{position:relative;z-index:1;}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;background:#fff;border:2px solid var(--blue);color:var(--blue);font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:20px;transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease;}
.step:hover .step-no{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(27,95,193,.28);transform:translateY(-2px);}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ===== Prep cards ===== */
.prep-card{height:100%;background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFDFF6;}
.prep-ico{width:48px;height:48px;border-radius:14px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:19px;margin-bottom:18px;}
.prep-card h3{font-size:20px;margin-bottom:14px;}
.check-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:10px;}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:700;}

/* ===== Notice ===== */
.notice-bar{display:flex;gap:14px;align-items:flex-start;background:#FFF4E8;border:1px solid #FBD9B4;border-left:4px solid var(--orange);border-radius:12px;padding:18px 22px;margin-top:36px;}
.notice-bar i{color:var(--orange);font-size:18px;margin-top:4px;flex:0 0 auto;}
.notice-bar p{font-size:15px;line-height:1.8;color:#7A4A16;}
.notice-bar strong{color:#8A3E06;}

/* ===== Table ===== */
.table-shell{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.table-scroll{overflow-x:auto;}
.data-table{width:100%;min-width:600px;border-collapse:collapse;font-size:15px;}
.data-table thead th{background:var(--blue-soft);color:var(--blue-dark);font-size:14px;font-weight:700;text-align:left;padding:14px 20px;white-space:nowrap;}
.data-table tbody td{padding:16px 20px;border-top:1px solid var(--border);color:var(--muted);vertical-align:top;line-height:1.8;}
.data-table tbody tr:nth-child(even){background:#FAFCFF;}
.data-table tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap;}

/* ===== CTA band ===== */
.cta-band{background:var(--blue-deep);color:#fff;padding:64px 0;}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:12px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item[open]{border-color:#CFDFF6;box-shadow:var(--shadow);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);transition:color .22s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--blue);line-height:1;transition:transform .22s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--blue);}
.faq-item summary:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(27,95,193,.28);}
.faq-body{position:relative;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-item[open] .faq-body::before{content:"";position:absolute;left:0;top:4px;bottom:20px;width:3px;border-radius:3px;background:var(--blue);}

/* ===== Footer ===== */
.site-foot{background:var(--blue-deep);color:rgba(255,255,255,.75);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--blue),#3E82E0);font-size:15px;}
.site-foot p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.foot-col ul li{margin-bottom:10px;}
.foot-col a{color:rgba(255,255,255,.7);font-size:14px;}
.foot-col a:hover{color:#fff;text-decoration:underline;}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}
.fl{display:flex;gap:20px;flex-wrap:wrap;}
.fl a{color:rgba(255,255,255,.6);}
.fl a:hover{color:#fff;text-decoration:underline;}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .head-main{gap:16px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .page-hero{padding:28px 0 52px;}
  .steps{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .steps::before{display:none;}
  .head-main{flex-wrap:wrap;gap:14px;}
  .head-search{order:3;flex:1 1 100%;max-width:none;}
  .head-actions .link-quiet{display:none;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-in{gap:24px;}
  .sec-head{margin-bottom:36px;}
}
@media (max-width:767px){
  .tb-note{display:none;}
  .hero-figure figcaption{position:static;background:var(--blue-dark);border-radius:0;}
  .hero-figure img{aspect-ratio:16/9;}
  .data-table{min-width:560px;}
}
@media (max-width:575px){
  .wrap{padding:0 18px;}
  .section{padding:44px 0;}
  .steps{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  h1{font-size:26px;}
  .topbar-in{min-height:40px;font-size:12px;}
  .head-search{height:48px;}
  .head-search button{height:36px;padding:0 16px;}
  .faq-item summary{padding:18px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.chip,.prep-card,.step-no{transition:none;}
}

/* roulang page: category2 */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-soft:#E8F0FD;
  --accent:#F97316;
  --ok:#0FA37F;
  --bad:#D64545;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --text:#16233A;
  --text-2:#5B6B82;
  --text-3:#8A98AD;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --pill:999px;
  --sh-1:0 2px 4px rgba(22,35,58,.04),0 12px 28px rgba(22,35,58,.07);
  --sh-2:0 16px 32px rgba(27,95,193,.12);
  --w:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ============ 顶部提示条 ============ */
.topbar{background:var(--brand-dark);color:#fff;min-height:48px;display:flex;align-items:center;font-size:13px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
.tb-text{opacity:.92;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.countdown{display:flex;align-items:center;gap:8px}
.cd-num{
  background:var(--accent);color:#fff;border-radius:8px;
  padding:2px 9px;font-size:17px;font-weight:700;line-height:1.5;
  display:inline-flex;align-items:baseline;gap:3px;
  font-variant-numeric:tabular-nums;
}
.cd-num small{font-size:11px;font-weight:500;opacity:.92}
.tb-close{
  background:transparent;border:0;color:#fff;opacity:.7;width:28px;height:28px;
  border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.tb-close:hover{opacity:1;background:rgba(255,255,255,.14)}

/* ============ 导航 ============ */
.nav-shell{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.nav-shell.is-scrolled{box-shadow:0 6px 20px rgba(22,35,58,.08)}
.nav-main{display:flex;align-items:center;gap:24px;min-height:80px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand)}
.nav-search{
  display:flex;align-items:center;flex:1;max-width:560px;height:52px;
  border:1px solid var(--line);border-radius:var(--pill);background:#fff;
  padding-left:18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.15)}
.nav-search i{color:var(--text-3);font-size:15px}
.nav-search input{
  flex:1;border:0;outline:none;background:transparent;height:100%;
  padding:0 12px;font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  height:40px;margin-right:6px;padding:0 20px;border:0;border-radius:var(--pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease;
}
.nav-search button:hover{background:#1a56ad;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0}
.nav-link-text{font-size:14px;color:var(--text-2);font-weight:500}
.nav-link-text:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:0 0 16px}
.chip{
  height:40px;display:inline-flex;align-items:center;padding:0 18px;
  border-radius:var(--pill);font-size:14px;color:var(--text-2);
  background:#fff;border:1px solid var(--line);
  transition:all .2s ease;white-space:nowrap;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.mobile-menu{display:none;padding:8px 0 18px;border-top:1px dashed var(--line);margin-top:4px}
.chips-vert{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:8px;padding:14px 0 0}
.chips-vert .chip{height:48px;justify-content:center;border-radius:var(--r-md)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:all .22s ease;
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:#1a56ad;color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e0650d;color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.3)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#eef4fe;color:var(--brand-dark)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-line-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 页面头部 ============ */
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:44px 0 56px}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumbs .cur{color:var(--text);font-weight:500}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
h1{
  font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;
  letter-spacing:.01em;color:var(--text);margin-bottom:16px;
}
.hero-lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:52ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:500;
}
.hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:20px;box-shadow:0 18px 40px rgba(22,35,58,.14);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tint{background:var(--bg)}
.section.white{background:#fff}
.section-head{max-width:720px;margin-bottom:48px}
.section-head .eyebrow{
  font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.08em;
  display:block;margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,31px);line-height:1.35;font-weight:700;color:var(--text);
  margin-bottom:14px;
}
.section-head p{font-size:15.5px;color:var(--text-2);line-height:1.85}

/* ============ 图文交替模块 ============ */
.zig{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  margin-bottom:64px;
}
.zig.rev{grid-template-columns:7fr 5fr}
.zig.rev .zig-media{order:2}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-1);border:1px solid var(--line-soft);
}
.zig-index{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  color:var(--brand);letter-spacing:.06em;margin-bottom:12px;
}
.zig-index b{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand);
  line-height:1;
}
.zig-body h3{font-size:21px;line-height:1.5;font-weight:600;margin-bottom:12px}
.zig-body > p{font-size:15.5px;line-height:1.85;color:var(--text-2);margin-bottom:18px}
.zig-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.zig-list li{
  display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--text-2);
  padding-left:0;
}
.zig-list li i{color:var(--ok);font-size:14px;margin-top:6px;flex-shrink:0}
.zig-list li strong{color:var(--text);font-weight:600}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
  color:var(--brand);
}
.link-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.link-more i{font-size:12px;transition:transform .2s ease}
.link-more:hover i{transform:translateX(3px)}

/* ============ 数据指标 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);transition:all .24s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe0fa}
.metric .num{
  font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.metric .num span{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2)}
.metric h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}
.metric p{font-size:13.5px;line-height:1.75;color:var(--text-3)}

/* ============ 表格 ============ */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
.table-card table{width:100%;border-collapse:collapse;min-width:680px}
.table-card thead th{
  background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;white-space:nowrap;border-bottom:1px solid #d8e5fb;
}
.table-card tbody td{
  padding:16px 20px;font-size:14.5px;color:var(--text-2);
  border-top:1px solid var(--line);vertical-align:middle;
}
.table-card tbody tr:nth-child(even){background:#FAFCFF}
.table-card tbody tr:hover{background:#F2F7FE}
.table-card td strong{color:var(--text);font-weight:600}
.table-card .num-cell{text-align:right;font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:var(--pill);font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-ok{background:rgba(15,163,127,.12);color:var(--ok)}
.badge-warn{background:rgba(249,115,22,.12);color:#c2570b}
.badge-info{background:var(--brand-soft);color:var(--brand)}
.table-note{font-size:13px;color:var(--text-3);margin-top:14px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:12px}
.faq-aside p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:16px}
.faq-aside .updated{
  font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;
}
.faq-aside .updated i{color:var(--brand)}
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:6px 24px;overflow:hidden;
}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:600;
  padding:20px 44px 20px 4px;box-shadow:none;border-radius:0;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand-dark);background:rgba(232,240,253,.45);
  border-left:3px solid var(--brand);padding-left:14px;
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;line-height:24px;
  text-align:center;font-size:18px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:50%;transform:none;
  position:absolute;right:8px;top:50%;margin-top:-13px;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none}
.faq-acc .accordion-body{
  font-size:15px;line-height:1.85;color:var(--text-2);padding:0 24px 22px 14px;
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark),#1B4FA0);
  border-radius:24px;padding:56px;color:#fff;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  box-shadow:0 24px 48px rgba(18,62,134,.22);
}
.cta-band h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;line-height:1.4;margin-bottom:14px;color:#fff}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:46ch}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-meta{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ============ 页脚 ============ */
.site-foot{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.foot-brand .brand-mark{background:rgba(255,255,255,.16);color:#fff}
.site-foot p{line-height:1.9;font-size:13.5px;color:rgba(255,255,255,.7);max-width:36ch}
.foot-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{color:rgba(255,255,255,.72);font-size:13.5px}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);
}
.foot-bottom .fl{display:flex;gap:20px;flex-wrap:wrap}
.foot-bottom .fl a{color:rgba(255,255,255,.66);font-size:13px}
.foot-bottom .fl a:hover{color:#fff}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;color:var(--brand);border:1px solid var(--line);
  box-shadow:0 8px 20px rgba(22,35,58,.14);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .25s ease;z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-main{gap:18px}
  .section{padding:80px 0}
}
@media (max-width:991.98px){
  .nav-search{display:none}
  .chips:not(.chips-vert){display:none}
  .nav-toggle{display:inline-flex}
  .nav-main{min-height:70px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .zig,.zig.rev{grid-template-columns:1fr;gap:28px;margin-bottom:48px}
  .zig.rev .zig-media{order:0}
  .section{padding:64px 0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{margin-bottom:36px}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .tb-text{display:none}
  .topbar .wrap{justify-content:center;position:relative}
  .tb-close{position:absolute;right:0}
  .page-hero{padding:32px 0 40px}
  .hero-media img{aspect-ratio:16/10}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .faq-card{padding:4px 16px}
  .cta-band{padding:32px 24px;border-radius:18px}
  .cta-actions{align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .section{padding:44px 0}
  h1{font-size:26px}
  .brand-text{font-size:16px}
  .btn{width:100%}
  .nav-actions .btn-brand{display:none}
  .cd-num{font-size:15px;padding:2px 7px}
  .zig-list li{font-size:14.5px}
  .faq-acc .accordion-button{font-size:15px;padding-right:40px}
}

/* roulang page: category3 */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-soft:#E8F0FD;
  --brand-line:#CBDDF8;
  --accent:#F97316;
  --accent-dark:#E0650B;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --text:#16233A;
  --muted:#5B6B82;
  --hint:#8A98AD;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(22,35,58,.04), 0 12px 28px rgba(22,35,58,.07);
  --sh-2:0 16px 32px rgba(27,95,193,.12);
  --wrap:1200px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.sec{padding:88px 0}
@media (max-width:992px){.sec{padding:64px 0}}
@media (max-width:576px){.sec{padding:44px 0}}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--brand-dark);color:#fff}
.topbar-in{display:flex;align-items:center;gap:16px;min-height:48px}
.topbar-status{font-size:13px;font-weight:600;letter-spacing:.01em;color:#EAF1FD}
.cd{display:flex;gap:8px;margin-left:auto}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:3px;
  background:var(--accent);border-radius:8px;padding:3px 9px;
  font-variant-numeric:tabular-nums;color:#fff;
}
.cd-cell b{font-size:20px;line-height:1.1;font-weight:800}
.cd-cell i{font-style:normal;font-size:11px;opacity:.92}
.topbar-close{
  width:24px;height:24px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.14);color:#fff;font-size:15px;line-height:1;
  display:grid;place-items:center;transition:background var(--ease);
}
.topbar-close:hover{background:rgba(255,255,255,.28)}
@media (max-width:768px){
  .topbar-status{display:none}
  .cd{margin-left:0}
  .topbar-in{justify-content:space-between;min-height:44px;gap:10px}
  .cd-cell b{font-size:17px}
}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow var(--ease);
}
.site-head.is-stuck{box-shadow:0 10px 26px rgba(22,35,58,.08)}
.head-main{display:flex;align-items:center;gap:22px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.24;color:var(--text);font-weight:700;font-size:17px}
.logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--hint);letter-spacing:.08em}
.nav-search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:10px;
  height:52px;padding:0 6px 0 18px;background:#F7FAFF;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.18)}
.nav-search .s-ico{flex:0 0 auto;color:var(--hint)}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);height:100%;
}
.nav-search input::placeholder{color:var(--hint)}
.nav-search button{
  flex:0 0 auto;border:0;cursor:pointer;height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:var(--ease);
}
.nav-search button:hover{background:var(--brand-dark)}
.head-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.head-link{font-size:14px;color:var(--muted);font-weight:500;white-space:nowrap}
.head-link:hover{color:var(--brand-dark);text-decoration:underline}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);transition:var(--ease);white-space:nowrap;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.btn-main:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  background:#fff;color:var(--brand);border:1px solid var(--brand);
  font-size:15px;font-weight:600;transition:var(--ease);white-space:nowrap;
}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-line:active{transform:translateY(1px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap;
}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.28)}
.btn-accent:active{transform:translateY(1px)}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.head-chips{border-top:1px solid var(--line-soft)}
.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;padding:10px 0 12px}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--muted);
  border:1px solid transparent;transition:var(--ease);
}
.chip:hover{background:var(--brand-soft);color:var(--brand-dark)}
.chip.is-active{background:var(--brand);color:#fff;font-weight:600}
.m-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:16px 0 22px}
.m-drawer .nav-search{max-width:none;margin-bottom:14px}
.chips-col{flex-direction:column;gap:6px;padding:0}
.chips-col .chip{width:100%;justify-content:center;height:48px;border:1px solid var(--line-soft)}
.drawer-cta{margin-top:16px}
.drawer-cta .btn-main{width:100%}
@media (max-width:992px){
  .head-main{min-height:64px;gap:12px}
  .nav-search,.head-actions,.head-chips{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .m-drawer.is-open{display:block}
}
@media (min-width:993px){.m-drawer{display:none!important}}

/* ---------- Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%, #F5F8FD 100%);
  border-bottom:1px solid var(--line);
  padding:26px 0 56px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--hint);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--hint)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--text);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(27px,3.6vw,42px);font-weight:800;letter-spacing:.01em;line-height:1.28}
.hero-copy .lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:34em}
.hero-search{
  display:flex;align-items:center;gap:10px;margin-top:24px;
  height:54px;padding:0 6px 0 18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-1);transition:var(--ease);max-width:560px;
}
.hero-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.18)}
.hero-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:15px;color:var(--text)}
.hero-search input::placeholder{color:var(--hint)}
.hero-search button{
  border:0;cursor:pointer;height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:var(--ease);
}
.hero-search button:hover{background:var(--brand-dark)}
.faq-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.fchip{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  height:36px;padding:0 16px;border-radius:var(--r-pill);font-size:13.5px;
  font-weight:500;cursor:pointer;transition:var(--ease);
}
.fchip:hover{border-color:var(--brand-line);background:var(--brand-soft);color:var(--brand-dark)}
.fchip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;
  border:1px solid var(--line-soft);
  box-shadow:0 18px 40px rgba(22,35,58,.12);
}
.hero-note{
  position:absolute;right:-14px;bottom:-24px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh-1);
}
.hero-note .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:0 0 auto;box-shadow:0 0 0 4px rgba(15,163,127,.14)}
.hero-note b{display:block;font-size:14px;color:var(--text)}
.hero-note span{display:block;font-size:12.5px;color:var(--hint)}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media{order:2}
  .hero-note{position:static;margin-top:14px;justify-content:flex-start}
}

/* ---------- 数据条 ---------- */
.stat-strip{padding:44px 0 0}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat{padding:22px 22px;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:2px}
@media (max-width:768px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--line-soft)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat b{font-size:22px}
}

/* ---------- 区块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(23px,2.6vw,30px);font-weight:700}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted)}
.kicker{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-bottom:12px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}

/* ---------- 快答卡片 ---------- */
.quick{background:#F5F8FD}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.q-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:26px 22px 24px 26px;box-shadow:var(--sh-1);
  transition:var(--ease);
}
.q-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.q-num{font-size:12.5px;font-weight:800;color:var(--hint);letter-spacing:.12em;font-variant-numeric:tabular-nums}
.q-card h3{font-size:18px;font-weight:600;margin:8px 0 10px}
.q-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
@media (max-width:992px){.quick-grid{grid-template-columns:1fr 1fr}}
@media (max-width:576px){.quick-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-block{background:#F5F8FD}
.filter-note{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  border:1px solid var(--brand-line);border-radius:var(--r-pill);
  padding:6px 16px;font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.faq-group{margin-bottom:32px}
.faq-group:last-child{margin-bottom:0}
.faq-group.is-hidden{display:none}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.group-head h3{font-size:20px;font-weight:700}
.group-head .cnt{
  font-size:12.5px;color:var(--brand-dark);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:3px 12px;font-weight:600;
}
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:#fff;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:14px}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:0 2px 4px rgba(22,35,58,.03);
  transition:border-color var(--ease), box-shadow var(--ease);
}
.faq .accordion-item:hover{border-color:var(--brand-line)}
.faq .accordion-item[hidden]{display:none!important}
.faq .accordion-button{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:18px 20px;background:#fff;border:0;border-radius:14px;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
  box-shadow:none;line-height:1.6;transition:var(--ease);
}
.faq .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);border-radius:14px 14px 0 0}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-button::after{
  content:"";flex:0 0 auto;margin-left:auto;width:11px;height:11px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  background-image:none!important;transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq .accordion-body{padding:16px 20px 20px;box-shadow:inset 3px 0 0 var(--brand);background:#fff}
.faq .accordion-body p{font-size:15px;line-height:1.85;color:var(--muted)}
.faq .accordion-body p + p{margin-top:10px}
.faq .accordion-body strong{color:var(--text)}
.faq-empty{
  border:1px dashed var(--brand-line);border-radius:var(--r-lg);
  background:#fff;min-height:200px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;padding:28px;
}
.faq-empty[hidden]{display:none!important}
.faq-empty .ico{
  width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:20px;font-weight:800;
}
.faq-empty p{font-size:14px;color:var(--muted)}

/* ---------- 相关栏目 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.topic-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.topic-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.topic-body h3{font-size:17px;font-weight:600}
.topic-body p{font-size:13.5px;line-height:1.75;color:var(--muted);flex:1 1 auto}
.topic-more{font-size:13.5px;font-weight:600;color:var(--brand)}
.topic-card:hover .topic-more{color:var(--brand-dark)}
@media (max-width:992px){.topic-grid{grid-template-columns:1fr 1fr}}
@media (max-width:576px){.topic-grid{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--brand-soft);border:1px solid var(--brand-line);
  padding:44px;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.10;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{font-size:clamp(22px,2.5vw,28px)}
.cta-card .cta-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:40em}
.cta-list{margin-top:18px;display:grid;gap:8px}
.cta-list li{position:relative;padding-left:20px;font-size:14px;color:var(--muted)}
.cta-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;
  background:var(--brand);opacity:.7;
}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-accent,.cta-actions .btn-line{width:100%}
.cta-tip{font-size:12.5px;color:var(--hint);text-align:center}
@media (max-width:992px){
  .cta-card{grid-template-columns:1fr;padding:32px 24px;gap:24px}
}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-dark);color:#D9E4F7;padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-brand .brand-mark{background:rgba(255,255,255,.16);color:#fff}
.site-foot p{font-size:14px;line-height:1.85;color:#B9CBEA;max-width:36em}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:#B9CBEA}
.foot-col a:hover{color:#fff;text-decoration:underline}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FB5DA;
}
.foot-bottom .fl{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom .fl a{color:#9FB5DA}
.foot-bottom .fl a:hover{color:#fff;text-decoration:underline}
@media (max-width:992px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-foot{padding:48px 0 24px}
}
@media (max-width:576px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* 移动端按钮 */
@media (max-width:576px){
  .hero-search{flex-wrap:wrap;height:auto;padding:10px 12px;border-radius:18px}
  .hero-search input{width:100%;height:36px;flex:1 0 100%}
  .hero-search button{width:100%;height:44px}
  .btn-main,.btn-line,.btn-accent{width:100%}
  .hero-copy h1{font-size:clamp(26px,7vw,32px)}
  .sec-head h2{font-size:22px}
}

/* roulang page: category4 */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-soft:#E8F0FD;
  --accent:#F97316;
  --accent-dark:#E2600A;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --ink:#16233A;
  --ink2:#5B6B82;
  --ink3:#8A98AD;
  --r:16px;
  --r-sm:12px;
  --sh:0 2px 4px rgba(22,35,58,.04),0 12px 28px rgba(22,35,58,.07);
  --sh-h:0 16px 32px rgba(27,95,193,.12);
  --ff:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ff);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:var(--brand-dark);color:#fff;font-size:13px}
.topbar-in{display:flex;align-items:center;gap:16px;height:48px}
.topbar-txt{color:rgba(255,255,255,.9);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto;font-variant-numeric:tabular-nums}
.cd-cell{display:inline-flex;align-items:baseline;gap:2px;background:var(--accent);border-radius:8px;padding:2px 8px;line-height:1.3}
.cd-cell b{font-size:18px;font-weight:800;letter-spacing:.02em}
.cd-cell i{font-style:normal;font-size:11px;opacity:.9}
.topbar-close{width:24px;height:24px;border:0;border-radius:6px;background:rgba(255,255,255,.14);color:#fff;font-size:15px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease}
.topbar-close:hover{background:rgba(255,255,255,.28)}
@media (max-width:768px){
  .topbar-in{height:44px;gap:10px}
  .topbar-txt{display:none}
  .countdown{margin-left:0}
  .cd-cell b{font-size:15px}
}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-head.is-scrolled{box-shadow:0 6px 20px rgba(22,35,58,.08)}
.nav-main{border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);flex:0 0 auto}
.logo:hover{text-decoration:none;color:var(--brand-dark)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;font-size:15px;font-weight:700;flex:0 0 auto}
.nav-search{flex:1 1 320px;max-width:560px;display:flex;align-items:center;height:52px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.18)}
.nav-search svg{flex:0 0 auto;color:var(--ink3)}
.nav-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;color:var(--ink);padding:0 10px;min-width:0}
.nav-search input::placeholder{color:var(--ink3)}
.nav-search button{flex:0 0 auto;height:40px;padding:0 20px;border:0;border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease}
.nav-search button:hover{background:#17519F}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);font-size:18px;cursor:pointer;margin-left:auto}
.nav-toggle:hover{background:var(--brand-soft)}
.nav-chips{border-bottom:1px solid var(--line-soft)}
.chips{display:flex;align-items:center;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink2);white-space:nowrap;transition:all .2s ease}
.chip:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.chip.is-active{background:var(--brand);color:#fff}
.chip.is-active:hover{background:var(--brand-dark);color:#fff}
@media (max-width:992px){
  .nav-actions{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-search{display:none;order:10;flex:1 1 100%;max-width:100%;margin-top:12px}
  .site-head.search-open .nav-search{display:flex}
}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .18s ease,border-color .22s ease;white-space:nowrap;line-height:1}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#17519F;color:#fff;text-decoration:none;box-shadow:0 8px 18px rgba(27,95,193,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark);text-decoration:none}
.btn-ghost:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;text-decoration:none;box-shadow:0 8px 18px rgba(249,115,22,.28)}
.btn-accent:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.btn:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink3);margin-bottom:12px}
.crumb a{color:var(--ink3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CCDA}
.crumb .now{color:var(--ink);font-weight:500}

/* ---------- Hero ---------- */
.hero{padding:48px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,#F5F8FD 100%);border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.25;letter-spacing:.01em;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--brand)}
.lead{font-size:16px;line-height:1.85;color:var(--ink2);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{display:inline-flex;align-items:center;font-size:13px;padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:500}
.tag-ok{background:rgba(15,163,127,.12);color:var(--ok)}
.tag-warn{background:rgba(249,115,22,.12);color:var(--accent-dark)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .media-note{position:absolute;left:16px;bottom:16px;background:rgba(18,62,134,.88);color:#fff;font-size:13px;padding:8px 14px;border-radius:10px;backdrop-filter:blur(4px)}
@media (max-width:992px){
  .hero{padding:36px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media img{aspect-ratio:16/9}
}
@media (max-width:576px){
  .hero-media .media-note{display:none}
  .btn{width:100%}
  .hero-actions{display:grid;gap:10px}
}

/* ---------- 区块 ---------- */
.sec{padding:64px 0}
.sec-tight{padding:44px 0}
.sec-white{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.sec-head p{margin-top:10px;color:var(--ink2);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-bottom:10px}
.eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}

/* ---------- 提示条 ---------- */
.notice-bar{display:flex;align-items:flex-start;gap:14px;background:#FFF4EA;border:1px solid #FBD9BC;border-left:4px solid var(--accent);border-radius:var(--r-sm);padding:18px 22px;color:#7A4A16;font-size:15px;line-height:1.8}
.notice-bar strong{color:#8A4B0A}
.notice-bar .nb-ico{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:4px}

/* ---------- 双栏主体 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:start}
.article-col{display:grid;gap:20px}
.point-card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r);padding:28px;box-shadow:var(--sh);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease}
.point-card:hover{box-shadow:var(--sh-h);transform:translateY(-3px);border-color:#CFE0F8}
.point-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.point-head h2,.point-head h3{font-size:20px;font-weight:600}
.ico-round{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center}
.point-card p{color:var(--ink2);font-size:15.5px;line-height:1.85}
.point-list{margin-top:16px;display:grid;gap:10px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--ink);line-height:1.75}
.point-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:11px}
.point-list li span{color:var(--ink2)}

/* ---------- 侧栏卡 ---------- */
.side-col{position:sticky;top:96px;display:grid;gap:18px}
.side-card{background:var(--brand-dark);color:#fff;border-radius:var(--r);padding:28px;box-shadow:0 18px 34px rgba(18,62,134,.24)}
.side-card h3{color:#fff;font-size:19px;font-weight:700;margin-bottom:8px}
.side-card .side-sub{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin-bottom:18px}
.side-card ul{display:grid;gap:14px;margin-bottom:22px}
.side-card li{display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.92)}
.side-card li::before{content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);margin-top:3px}
.side-card .btn{width:100%}
.side-mini{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.side-mini h4{font-size:16px;font-weight:600;margin-bottom:12px}
.side-mini .mini-row{display:flex;align-items:center;justify-content:space-between;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--ink2)}
.side-mini .mini-row:last-child{border-bottom:0}
.side-mini .mini-row b{color:var(--ok);font-weight:600}
@media (max-width:992px){
  .split{grid-template-columns:1fr;gap:24px}
  .side-col{position:static;top:auto}
}

/* ---------- 三步自检 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);padding:26px;box-shadow:var(--sh);position:relative;transition:box-shadow .25s ease,transform .25s ease}
.step-card:hover{box-shadow:var(--sh-h);transform:translateY(-4px)}
.step-num{font-size:34px;font-weight:800;color:var(--brand-soft);line-height:1;margin-bottom:10px;font-variant-numeric:tabular-nums}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--ink2);line-height:1.8}
@media (max-width:768px){.steps{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-side h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:12px}
.faq-side p{color:var(--ink2);font-size:15px}
.faq-side .upd{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--ink3);font-variant-numeric:tabular-nums}
.faq-side .upd::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
.faq-box .accordion-item{border:1px solid var(--line-soft);border-radius:var(--r-sm)!important;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-box .accordion-button{font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:18px 22px;box-shadow:none;border-radius:var(--r-sm)!important}
.faq-box .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}
.faq-box .accordion-button:focus{box-shadow:0 0 0 3px rgba(27,95,193,.28);border-color:transparent}
.faq-box .accordion-button::after{background-image:none;content:"";width:12px;height:12px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .25s ease;margin-left:auto}
.faq-box .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-box .accordion-body{padding:6px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink2)}
@media (max-width:992px){.faq-layout{grid-template-columns:1fr;gap:24px}}

/* ---------- CTA ---------- */
.cta{background:var(--brand-soft);border-radius:20px;padding:44px;display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;border:1px solid #D4E3FA}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px}
.cta p{color:var(--ink2);font-size:15.5px;line-height:1.85;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-media{border-radius:16px;overflow:hidden;box-shadow:var(--sh)}
.cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:992px){.cta{grid-template-columns:1fr;padding:32px}.cta-media img{aspect-ratio:16/9}}
@media (max-width:576px){.cta{padding:24px}}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:56px 0 26px;margin-top:64px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-brand .brand-mark{background:rgba(255,255,255,.16);color:#fff}
.site-foot p{line-height:1.85;color:rgba(255,255,255,.72);font-size:13.5px;max-width:360px}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.foot-col ul{display:grid;gap:10px}
.foot-col a{color:rgba(255,255,255,.76);font-size:14px}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}
.foot-bottom .fl{display:flex;flex-wrap:wrap;gap:18px}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:#fff;text-decoration:none}
@media (max-width:992px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:576px){.foot-grid{grid-template-columns:1fr}.foot-bottom{flex-direction:column;align-items:flex-start}}

/* roulang page: category5 */
:root{
  --primary:#1B5FC1;
  --primary-dark:#123E86;
  --primary-light:#E8F0FD;
  --orange:#F97316;
  --orange-dark:#EA6A0C;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --border:#E3E9F2;
  --border-soft:#E9EEF7;
  --text:#16233A;
  --text-2:#5B6B82;
  --text-3:#8A98AD;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 2px 4px rgba(22,35,58,.04), 0 12px 28px rgba(22,35,58,.07);
  --shadow-hover:0 16px 32px rgba(27,95,193,.12);
  --ease:.25s ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px;border-radius:8px;}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .wrap{max-width:1280px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--primary-dark);
  color:#fff;
  font-size:13px;
}
.topbar .wrap{
  height:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-left i{font-size:14px;color:#9CC0F5;}
.topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.topbar-tag{
  display:inline-block;
  padding:2px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  font-size:12px;
  letter-spacing:.02em;
}
@media (max-width:768px){
  .topbar .wrap{height:44px;}
  .topbar-right .topbar-tag{display:none;}
}

/* ---------- 主导航 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-head.is-stuck{box-shadow:0 6px 20px rgba(22,35,58,.08);}
.nav-main{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
  padding-top:16px;
  padding-bottom:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--primary);text-decoration:none;}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:700;
  flex-shrink:0;
}
.brand-text em{
  font-style:normal;
  font-weight:500;
  font-size:13px;
  color:var(--text-3);
  margin-left:6px;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:100%;
  max-width:560px;
  height:52px;
  margin:0 auto;
  padding-left:18px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,95,193,.18);
}
.nav-search i{color:var(--text-3);font-size:16px;margin-right:10px;}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-size:15px;
  color:var(--text);
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  height:40px;
  margin-right:6px;
  padding:0 22px;
  border:0;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),box-shadow var(--ease);
}
.nav-search button:hover{background:#17539f;box-shadow:0 8px 18px rgba(27,95,193,.28);}
.nav-search button:active{transform:translateY(1px);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn-main,.btn-ghost,.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  白-space:nowrap;
  white-space:nowrap;
}
.btn-main{background:var(--primary);color:#fff;}
.btn-main:hover{background:#17539f;color:#fff;text-decoration:none;box-shadow:0 8px 18px rgba(27,95,193,.28);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BFD3F2;}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);text-decoration:none;}
.btn-cta{background:var(--orange);color:#fff;}
.btn-cta:hover{background:var(--orange-dark);color:#fff;text-decoration:none;box-shadow:0 8px 18px rgba(249,115,22,.28);}
.btn-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:#BFD3F2;color:var(--primary);}
.chips-wrap{padding-bottom:14px;}
.chips{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.chip:hover{background:var(--primary-light);color:var(--primary-dark);text-decoration:none;}
.chip.is-active{background:var(--primary);color:#fff;border-color:var(--primary);}
.chip.is-active:hover{background:var(--primary-dark);color:#fff;}
.mobile-panel{display:none;}
@media (max-width:991px){
  .nav-main{
    grid-template-columns:1fr auto;
    gap:16px;
  }
  .nav-search{display:none;}
  .nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .chips-wrap{display:none;}
  .mobile-panel{
    display:block;
    border-top:1px solid var(--border-soft);
    background:#fff;
  }
  .mobile-panel .wrap{padding-top:16px;padding-bottom:18px;}
  .mobile-panel .nav-search{display:flex;max-width:none;margin:0 0 14px;}
  .mobile-panel .chips{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .mobile-panel .chip{
    height:48px;
    justify-content:flex-start;
    padding:0 16px;
    border-radius:12px;
    background:#F7FAFF;
    border-color:var(--border-soft);
  }
  .mobile-panel .chip.is-active{background:var(--primary);border-color:var(--primary);}
  .mobile-panel .btn-main{width:100%;margin-top:14px;}
}
@media (max-width:576px){
  .brand{font-size:16px;}
  .brand-text em{display:none;}
}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13.5px;
  color:var(--text-3);
  padding:22px 0 0;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);text-decoration:none;}
.crumb span{margin:0 8px;color:#C6D0DE;}
.crumb strong{font-weight:500;color:var(--text);}

/* ---------- 页面头部 ---------- */
.page-hero{padding:18px 0 64px;background:#fff;border-bottom:1px solid var(--border-soft);}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
  padding-top:26px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.25;
  margin-bottom:16px;
}
.page-hero .lead{
  font-size:16px;
  color:var(--text-2);
  line-height:1.85;
  max-width:620px;
  margin-bottom:22px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px 34px;
  padding-top:20px;
  border-top:1px solid var(--border-soft);
}
.hero-fact{min-width:96px;}
.hero-fact b{
  display:block;
  font-size:22px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-fact span{font-size:13px;color:var(--text-3);}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border-soft);
  background:#DCE8FA;
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.hero-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(18,62,134,.9);
  color:#fff;
  font-size:12.5px;
  font-weight:500;
  backdrop-filter:blur(2px);
}
.hero-badge i{color:#8FE3C7;}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:2;}
  .hero-media img{aspect-ratio:16/9;}
}
@media (max-width:576px){
  .page-hero{padding-bottom:44px;}
  .hero-facts{gap:12px 24px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:56px 0;}
.section.alt{background:#fff;}
.section.softbg{background:var(--primary-light);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;}
.sec-head .sub{
  margin:10px 0 0;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.sec-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
}
.sec-link i{font-size:12px;margin-left:4px;transition:transform var(--ease);}
.sec-link:hover{text-decoration:none;color:var(--primary-dark);}
.sec-link:hover i{transform:translateX(3px);}
@media (max-width:768px){
  .section{padding:64px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
}
@media (max-width:576px){
  .section{padding:44px 0;}
}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:18px 20px;
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin-bottom:36px;
}
.filter-bar .label{
  font-size:13px;
  color:var(--text-3);
  margin-right:4px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:500;
}
.tag:hover{background:#D8E6FB;text-decoration:none;color:var(--primary-dark);}
.tag.is-on{background:var(--primary);color:#fff;}
.tag.is-on:hover{background:var(--primary-dark);color:#fff;}
.tag-ok{background:rgba(15,163,127,.12);color:#0B7A5F;}
.tag-warn{background:rgba(249,115,22,.12);color:#B5540B;}

/* ---------- 时间轴 ---------- */
.timeline-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.timeline{
  position:relative;
  padding-left:34px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:10px;
  bottom:14px;
  width:2px;
  background:rgba(27,95,193,.2);
  border-radius:2px;
}
.tl-item{
  position:relative;
  padding:0 0 30px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:8px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
  box-sizing:content-box;
  transition:box-shadow var(--ease);
}
.tl-item:hover::before{box-shadow:0 0 0 5px rgba(27,95,193,.12);}
.tl-card{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#CFE0F8;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  margin-bottom:10px;
}
.tl-date{
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.tl-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
}
.tl-card h3 a{color:var(--text);}
.tl-card h3 a:hover{color:var(--primary);text-decoration:none;}
.tl-card p{
  font-size:15px;
  color:var(--text-2);
  margin:0 0 14px;
}
.tl-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.tl-more i{font-size:12px;transition:transform var(--ease);}
.tl-more:hover{text-decoration:none;color:var(--primary-dark);}
.tl-more:hover i{transform:translateX(3px);}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  margin-bottom:24px;
}
.side-card h4{
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
}
.side-card p{font-size:14px;color:var(--text-2);}
.side-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--border);
  font-size:14px;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{color:var(--text);}
.side-list a:hover{color:var(--primary);text-decoration:none;}
.side-list time{
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.side-cta{
  background:var(--primary-dark);
  color:#fff;
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
}
.side-cta h4{color:#fff;font-size:16px;margin-bottom:10px;}
.side-cta p{color:#B9CEEC;font-size:14px;margin-bottom:18px;}
.side-cta .btn-main{width:100%;background:#fff;color:var(--primary-dark);}
.side-cta .btn-main:hover{background:var(--primary-light);color:var(--primary-dark);}
.side-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
  padding:16px;
  border:1px dashed var(--border);
  border-radius:var(--radius-sm);
  background:#FAFCFF;
}
@media (max-width:991px){
  .timeline-layout{grid-template-columns:1fr;gap:32px;}
}

/* ---------- 关注说明 三卡 ---------- */
.info-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0F8;}
.info-icon{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:18px;
  margin-bottom:14px;
}
.info-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--text-2);margin:0;}
@media (max-width:991px){
  .info-grid{grid-template-columns:1fr;}
}

/* ---------- 指标行 ---------- */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:8px;
}
.stat-box{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:22px 20px;
  text-align:left;
  box-shadow:var(--shadow);
}
.stat-box b{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.stat-box span{font-size:13.5px;color:var(--text-3);}
@media (max-width:768px){
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* ---------- CTA + 表单 ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  background:var(--primary-light);
  border:1px solid #D3E2FA;
  border-radius:20px;
  padding:48px;
}
.cta-panel h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.cta-panel p{color:var(--text-2);font-size:15.5px;margin-bottom:0;}
.cta-form{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
}
.form-label-text{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.form-field{
  width:100%;
  height:48px;
  padding:0 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#fff;
  font-size:15px;
  color:var(--text);
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-field::placeholder{color:var(--text-3);}
.form-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,95,193,.18);}
select.form-field{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%235B6B82' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;}
.form-group{margin-bottom:16px;}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin:12px 0 0;}
.btn-block{width:100%;}
@media (max-width:991px){
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:32px;}
}
@media (max-width:576px){
  .cta-panel{padding:24px;border-radius:16px;}
  .btn-block,.cta-form .btn-main{width:100%;}
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,.38fr) minmax(0,.62fr);
  gap:48px;
  align-items:start;
}
.faq-aside h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.faq-aside p{color:var(--text-2);font-size:15px;}
.faq-stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.faq-list{
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--border-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 54px 18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);background:#FAFCFF;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:500;
  color:var(--primary);
  line-height:1;
}
.faq-item[open] summary{color:var(--primary-dark);border-left:3px solid var(--primary);padding-left:17px;}
.faq-item[open] summary::after{content:"–";}
.faq-body{
  padding:0 20px 18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
@media (max-width:991px){
  .faq-layout{grid-template-columns:1fr;gap:24px;}
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:18px 22px;
  border-radius:var(--radius-sm);
  background:rgba(249,115,22,.08);
  border:1px solid rgba(249,115,22,.22);
  font-size:14.5px;
  color:#8A4410;
  line-height:1.75;
}
.notice i{color:var(--orange);font-size:17px;margin-top:3px;}
.notice strong{color:#7A3B0D;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--primary-dark);
  color:#C6D7EE;
  padding:64px 0 28px;
  font-size:14.5px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:14px;
}
.foot-brand .brand-mark{background:#fff;color:var(--primary-dark);}
.site-foot p{color:#A9C1E1;font-size:14px;line-height:1.85;margin:0;max-width:360px;}
.foot-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
}
.foot-col li{margin-bottom:10px;}
.foot-col a{color:#A9C1E1;font-size:14px;}
.foot-col a:hover{color:#fff;text-decoration:none;}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding-top:22px;
  font-size:13px;
  color:#8FA8CA;
  flex-wrap:wrap;
}
.foot-bottom .fl{display:flex;gap:20px;flex-wrap:wrap;}
.foot-bottom a{color:#8FA8CA;font-size:13px;}
.foot-bottom a:hover{color:#fff;text-decoration:none;}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:576px){
  .site-foot{padding:44px 0 22px;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category6 */
:root{
  --brand:#1B5FC1;
  --brand-dark:#123E86;
  --brand-soft:#E8F0FD;
  --accent:#F97316;
  --accent-dark:#EA6A0C;
  --ok:#0FA37F;
  --err:#D64545;
  --bg:#F5F8FD;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --line-soft:#E9EEF7;
  --ink:#16233A;
  --ink-2:#5B6B82;
  --ink-3:#8A98AD;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 2px 4px rgba(22,35,58,.04),0 12px 28px rgba(22,35,58,.07);
  --shadow-hover:0 16px 32px rgba(27,95,193,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(27,95,193,.35);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(22,35,58,.04);
}
.head-inner{
  display:flex;align-items:center;gap:24px;
  padding-top:16px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.search{
  position:relative;flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;
  height:52px;background:#fff;
  border:1px solid var(--line);border-radius:999px;
  padding:0 6px 0 18px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.16)}
.search svg{flex:0 0 auto;color:var(--ink-3)}
.search input{
  flex:1 1 auto;border:0;outline:none;background:transparent;
  height:44px;padding:0 12px;font-size:15px;color:var(--ink);min-width:0;
}
.search input::placeholder{color:var(--ink-3)}
.search button{
  flex:0 0 auto;height:40px;padding:0 20px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .22s ease,box-shadow .22s ease,transform .15s ease;
}
.search button:hover{background:var(--brand-dark);box-shadow:0 8px 18px rgba(27,95,193,.28)}
.search button:active{transform:translateY(1px)}
.head-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .15s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 8px 18px rgba(27,95,193,.28);text-decoration:none}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.28);text-decoration:none}
.btn-accent:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.chips{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:0 0 14px;
}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;font-size:14px;font-weight:500;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);
  text-decoration:none;transition:all .2s ease;white-space:nowrap;
}
.chip:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFE0FA;text-decoration:none}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:26px 0 4px}
.crumb a{color:var(--ink-2)}
.crumb span.sep{color:#C6D1E0}
.crumb .now{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:8px 0 56px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:.01em;line-height:1.25}
.page-hero .lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:52ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;font-size:14px;color:var(--ink-2)}
.hero-meta strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;height:auto;border-radius:20px;object-fit:cover;
  box-shadow:0 18px 40px rgba(18,62,134,.16);
}
.hero-badge{
  position:absolute;left:-18px;bottom:-18px;
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:12px;
}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--ok)}
.hero-badge b{display:block;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-badge small{font-size:12px;color:var(--ink-3)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:720px}
.sec-head h2{font-size:30px;font-weight:700}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}

/* ---------- contact cards ---------- */
.contact-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  display:flex;gap:18px;align-items:flex-start;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0FA}
.contact-card + .contact-card{margin-top:18px}
.cc-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.cc-body h3{font-size:18px;font-weight:600}
.cc-body p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.cc-line{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;font-size:13px}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:13px;font-weight:500;background:var(--brand-soft);color:var(--brand-dark);
}
.tag-ok{background:rgba(15,163,127,.12);color:var(--ok)}
.tag-time{background:#F1F5FB;color:var(--ink-2)}

/* ---------- form ---------- */
.form-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;
}
.form-card h2{font-size:22px}
.form-card .form-note{margin-top:8px;font-size:14px;color:var(--ink-2)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .hint{display:block;font-size:13px;color:var(--ink-3);margin-top:6px}
.form-control,.form-select{
  width:100%;height:48px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:0 14px;font-size:15px;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease;
  box-shadow:none;
}
textarea.form-control{height:auto;min-height:120px;padding:12px 14px;resize:vertical}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,193,.16);outline:none;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.privacy{
  margin-top:16px;font-size:13px;line-height:1.7;color:var(--ink-3);
}
.form-tip{margin-top:14px;font-size:14px;color:var(--ok);font-weight:600;min-height:22px}
.submit-row{margin-top:8px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ---------- notice strip ---------- */
.notice{
  background:var(--brand-soft);border:1px solid #CFE0FA;border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:20px 24px;
  display:flex;gap:16px;align-items:flex-start;
}
.notice svg{flex:0 0 auto;color:var(--brand);margin-top:3px}
.notice b{font-size:15px}
.notice p{font-size:14px;color:var(--ink-2);margin-top:4px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step .num{
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 12px;display:inline-block;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-top:14px}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.8}
.step::after{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;
  border-radius:3px;background:var(--brand-soft);
}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 24px}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  background:transparent;color:var(--ink);font-size:16px;font-weight:600;
  padding:20px 4px 20px 16px;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand-dark);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:3px solid rgba(27,95,193,.3);outline-offset:-3px}
.accordion-button::after{
  background-image:none;
  content:"+";
  font-size:20px;font-weight:600;color:var(--brand);
  width:24px;height:24px;line-height:22px;text-align:center;
  transform:none;transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(0)}
.accordion-item{position:relative}
.accordion-button.collapsed+.accordion-collapse{}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--ink-2);
  padding:0 4px 22px 16px;
}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#E9F1FE,#F7FAFF);
  border:1px solid #D8E5FA;border-radius:20px;
  padding:40px;display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:48ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- footer ---------- */
.site-foot{background:var(--brand-dark);color:#D7E3F6;margin-top:0;padding:56px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.site-foot .brand-mark{background:rgba(255,255,255,.14)}
.foot-grid p{margin-top:14px;font-size:14px;line-height:1.85;color:#B9CBEA;max-width:34ch}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.foot-col li{margin-bottom:10px}
.foot-col a{color:#C4D4EE;font-size:14px}
.foot-col a:hover{color:#fff;text-decoration:underline}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#A9BFE2;
}
.foot-bottom .fl{display:flex;gap:20px;flex-wrap:wrap}
.foot-bottom .fl a{color:#C4D4EE}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:34px}
}
@media (max-width:992px){
  .head-inner{flex-wrap:wrap;gap:14px}
  .search{order:3;flex:1 1 100%;max-width:none;margin:0}
  .head-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .hero-badge{left:auto;right:12px;bottom:-14px}
  .page-hero{padding-bottom:40px}
  .section{padding:56px 0}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:12px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .chips::-webkit-scrollbar{height:4px}
  .chips::-webkit-scrollbar-thumb{background:#D3DEEC;border-radius:4px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:30px}
  .cta-actions{justify-content:flex-start}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
}
@media (max-width:768px){
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .sec-head h2{font-size:24px}
  .cta-band h2{font-size:22px}
  .faq-wrap{padding:4px 16px}
  .contact-card{padding:20px}
  .form-card{padding:22px}
}
@media (max-width:576px){
  .wrap{padding:0 16px}
  .page-hero h1{font-size:26px}
  .brand-text{font-size:16px}
  .btn{width:100%}
  .head-actions{width:100%}
  .head-actions .btn{width:100%}
  .submit-row .btn{width:100%}
  .section{padding:44px 0}
  .hero-badge{position:static;margin-top:14px;box-shadow:var(--shadow)}
  .cta-actions .btn{width:100%}
}