/* roulang page: index */
:root{
  --brand:#1C64C8;
  --brand-600:#1550A6;
  --brand-05:#EEF4FE;
  --brand-deep:#0E2F5C;
  --accent:#F26722;
  --accent-2:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF3;
  --ink:#17202E;
  --ink-2:#55637A;
  --ink-3:#8C99AD;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,32,46,.04),0 4px 12px rgba(28,100,200,.06);
  --sh-2:0 6px 20px rgba(28,100,200,.12);
  --sh-3:0 8px 28px rgba(23,32,46,.10);
  --sec-pc:88px;
  --sec-tb:64px;
  --sec-mb:48px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding-left:1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(28,100,200,.35);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec-pc) 0;}
.sec-tight{padding:56px 0;}
.sec-h2{font-size:28px;line-height:38px;font-weight:800;letter-spacing:-.3px;color:var(--ink);}
.sec-lead{font-size:16px;line-height:28px;color:var(--ink-2);margin-top:12px;max-width:720px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.more-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.more-link i{font-size:12px;margin-left:4px;transition:transform .16s ease;}
.more-link:hover i{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-3);}
.hd-top{display:flex;align-items:center;gap:18px;height:60px;transition:height .22s ease;}
.logo{display:flex;flex-direction:column;line-height:1.12;text-decoration:none;letter-spacing:-.5px;}
.logo-l1{font-size:17px;font-weight:800;color:var(--brand-deep);transition:font-size .22s ease;}
.logo-l2{font-size:11px;font-weight:700;color:var(--brand);letter-spacing:.5px;transition:font-size .22s ease;}
.hd-tel{margin-left:auto;font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.hd-tel i{color:var(--brand);}
.hd-cta{height:38px;padding:0 18px;font-size:14px;}
.hd-burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);align-items:center;justify-content:center;font-size:17px;}
.hd-search-m{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);align-items:center;justify-content:center;font-size:16px;}
.hd-ch{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line);transition:height .22s ease,border-color .22s ease;}
.ch-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:10px 0;}
.ch-link:hover{color:var(--brand);}
.ch-link.active{color:var(--brand);font-weight:600;}
.ch-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);border-radius:2px;}
.hd-search{margin-left:auto;position:relative;}
.hd-search input{
  width:220px;height:36px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 38px 0 14px;font-size:14px;color:var(--ink);background:#fff;transition:.18s ease;
}
.hd-search input::placeholder{color:var(--ink-3);}
.hd-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.hd-search i{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-3);}
.hd-hot{height:34px;display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);overflow:hidden;transition:opacity .2s ease;}
.hot-label{font-size:12px;color:var(--ink-3);white-space:nowrap;}
.hot-chip{font-size:12px;color:var(--brand);background:var(--brand-05);border-radius:var(--r-badge);padding:3px 10px;white-space:nowrap;}
.hot-chip:hover{background:#e1ecfd;color:var(--brand-600);}
.hot-trend{margin-left:auto;font-size:12px;color:var(--ink-2);white-space:nowrap;}
.is-stuck .hd-top{height:34px;}
.is-stuck .logo-l1{font-size:14px;}
.is-stuck .logo-l2{font-size:9px;}
.is-stuck .hd-tel{display:none;}
.is-stuck .hd-cta{height:32px;font-size:13px;}
.is-stuck .hd-ch{height:30px;border-top-color:transparent;}
.is-stuck .ch-link{padding:4px 0;font-size:14px;}
.is-stuck .hd-hot{display:none;}
.drawer{width:82vw!important;max-width:380px;}
.drawer-body{padding:20px 22px 28px;}
.drawer-title{font-size:14px;font-weight:700;color:var(--ink-3);letter-spacing:.4px;margin:18px 0 10px;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:13px 0;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--brand);}
.drawer-link.active{color:var(--brand);font-weight:600;}
.btn-close{width:40px;height:40px;border-radius:10px;background-size:14px;}

/* ---------- Buttons ---------- */
.btn-brand,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  cursor:pointer;
}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#dd5a17;color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(242,103,34,.25);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-05);}
.btn-brand:disabled,.btn-accent:disabled{background:#c9d4e4;color:#fff;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 56px;background:linear-gradient(180deg,#F7FAFF 0%,var(--bg) 100%);}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-05);border-radius:var(--r-badge);padding:5px 12px;margin-bottom:18px;}
.hero h1{font-size:40px;line-height:52px;font-weight:800;letter-spacing:-.6px;color:var(--ink);}
.hero-sub{font-size:18px;line-height:30px;color:var(--ink-2);margin-top:18px;max-width:560px;}
.hero-text{font-size:15px;line-height:27px;color:var(--ink-2);margin-top:14px;max-width:560px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:390px;object-fit:cover;border-radius:18px;box-shadow:var(--sh-2);}
.hero-float{
  position:absolute;right:-6px;bottom:-20px;width:200px;background:#fff;border-radius:14px;
  box-shadow:var(--sh-2);padding:16px 18px;
}
.hero-float .num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;}
.hero-float .num span{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.hero-float .txt{font-size:13px;line-height:20px;color:var(--ink-2);margin-top:6px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;}
.hero-badges span{
  font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-05);
  border-radius:var(--r-badge);padding:7px 14px;
}

/* ---------- Pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 24px;margin-top:34px;}
.pain-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 24px 22px 26px;position:relative;transition:box-shadow .18s ease,transform .18s ease;}
.pain-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);}
.pain-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.pain-q{font-size:17px;font-weight:700;line-height:26px;color:var(--ink);}
.pain-a{font-size:14px;line-height:22px;color:var(--ink-2);margin-top:8px;}

/* ---------- Solutions ---------- */
.sol-main{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;}
.sol-main img{width:100%;height:212px;object-fit:cover;border-radius:0;}
.sol-body{padding:24px;}
.sol-main .sol-title{font-size:20px;line-height:30px;font-weight:800;color:var(--ink);}
.sol-main .sol-desc{font-size:14px;line-height:23px;color:var(--ink-2);margin-top:10px;}
.point-list{list-style:none;padding:0;margin:18px 0 0;}
.point-list li{position:relative;padding-left:20px;font-size:14px;line-height:24px;color:var(--ink-2);margin-bottom:10px;}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.sol-side{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;height:100%;display:flex;flex-direction:column;}
.sol-side + .sol-side{margin-top:20px;}
.sol-side .sol-title{font-size:17px;line-height:26px;font-weight:700;color:var(--ink);}
.sol-side .sol-desc{font-size:14px;line-height:23px;color:var(--ink-2);margin-top:8px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);margin-top:auto;padding-top:16px;}
.text-link i{font-size:12px;transition:transform .16s ease;}
.text-link:hover i{transform:translateX(3px);}
.mini-list{list-style:none;padding:0;margin:14px 0 0;}
.mini-list li{font-size:13px;line-height:22px;color:var(--ink-2);padding:5px 0 5px 16px;position:relative;}
.mini-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ---------- Stats ---------- */
.stats{background:var(--brand-deep);padding:64px 0;}
.stats .sec-h2{color:#fff;}
.stats .sec-lead{color:rgba(255,255,255,.72);}
.stat-num{font-size:44px;line-height:1.1;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-1px;}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--accent);margin-left:4px;}
.stat-txt{font-size:14px;line-height:22px;color:rgba(255,255,255,.72);margin-top:10px;border-top:1px solid rgba(255,255,255,.16);padding-top:12px;}

/* ---------- News ---------- */
.news-list{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:8px 12px;}
.news-row{display:flex;align-items:center;gap:18px;padding:18px 12px;border-bottom:1px solid var(--line);border-radius:10px;transition:background .16s ease;}
.news-row:last-child{border-bottom:none;}
.news-row:hover{background:var(--brand-05);}
.news-thumb{width:120px;height:80px;flex:0 0 120px;border-radius:10px;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:10px;}
.news-main{flex:1;min-width:0;}
.badge-cat{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);border:1px solid rgba(28,100,200,.28);border-radius:var(--r-badge);padding:1px 8px;margin-bottom:8px;}
.news-title{font-size:18px;line-height:26px;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s ease;}
.news-sum{font-size:14px;line-height:22px;color:var(--ink-2);margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-row:hover .news-title{color:var(--brand);}
.news-time{flex:0 0 90px;font-size:14px;color:var(--ink-3);text-align:right;font-variant-numeric:tabular-nums;}
.news-arrow{flex:0 0 20px;text-align:center;color:var(--ink-3);font-size:13px;transition:transform .16s ease,color .16s ease;}
.news-row:hover .news-arrow{transform:translateX(2px);color:var(--brand);}
.empty-box{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:48px 24px;text-align:center;}
.empty-box i{font-size:48px;color:var(--ink-3);}
.empty-box p{font-size:14px;color:var(--ink-2);margin:16px 0 20px;}
.side-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;position:sticky;top:104px;}
.side-card + .side-card{margin-top:20px;position:static;}
.side-title{font-size:15px;font-weight:700;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--line);}
.hot-list{list-style:none;padding:0;margin:8px 0 0;counter-reset:h;}
.hot-list li{counter-increment:h;display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:none;}
.hot-list li::before{
  content:counter(h);flex:0 0 22px;height:22px;border-radius:6px;background:var(--brand-05);
  color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.hot-list li:nth-child(-n+3)::before{background:var(--accent);color:#fff;}
.hot-list a{font-size:14px;color:var(--ink-2);}
.hot-list a:hover{color:var(--brand);}
.cat-list{list-style:none;padding:0;margin:8px 0 0;}
.cat-list li{border-bottom:1px solid var(--line);}
.cat-list li:last-child{border-bottom:none;}
.cat-list a{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:14px;color:var(--ink-2);}
.cat-list a:hover{color:var(--brand);}
.cat-list span{font-size:12px;color:var(--ink-3);}

/* ---------- Form ---------- */
.form-panel{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;}
.field-full{grid-column:1/-1;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-c{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);font-size:15px;padding:0 14px;transition:.16s ease;
}
textarea.form-c{height:auto;min-height:92px;padding:12px 14px;line-height:24px;resize:vertical;}
select.form-c{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-c::placeholder{color:var(--ink-3);}
.form-c:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.form-c.is-error{border-color:#E0483C;}
.form-c.is-error:focus{box-shadow:0 0 0 4px rgba(224,72,60,.12);}
.err-msg{display:none;font-size:12px;line-height:20px;color:#E0483C;margin-top:6px;}
.err-msg.show{display:block;}
.privacy-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;}
.privacy-row input[type="checkbox"]{width:18px;height:18px;margin-top:3px;accent-color:var(--accent-2);flex:0 0 18px;}
.privacy-row label{font-size:13px;line-height:22px;color:var(--ink-2);}
.privacy-note{font-size:12px;line-height:20px;color:var(--ink-3);margin-top:10px;}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.modal-content{border:none;border-radius:16px;box-shadow:var(--sh-3);}
.modal-body{padding:28px;}
.modal-head{font-size:19px;font-weight:800;color:var(--ink);}
.modal-sub{font-size:13px;line-height:22px;color:var(--ink-2);margin-top:6px;}
.modal-dialog{max-width:520px;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{border:none;border-radius:12px;margin-bottom:10px;background:#fff;box-shadow:var(--sh-1);overflow:hidden;}
.faq-acc .accordion-button{
  position:relative;font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 56px 18px 22px;box-shadow:none;border-radius:12px;line-height:26px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-05);}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;
}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;margin:0;
  transform:translateY(-50%);
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-position:center center,center center;
  background-size:14px 2px,2px 14px;
  background-repeat:no-repeat;
  transition:background-size .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{background-size:14px 2px,2px 0;}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-body{font-size:15px;line-height:26px;color:var(--ink-2);padding:4px 22px 20px;background:var(--brand-05);}

/* ---------- Dual CTA ---------- */
.dual-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.dual-dark{background:var(--brand-deep);border-radius:var(--r-card);padding:36px;color:#fff;display:flex;flex-direction:column;}
.dual-dark .dual-title{font-size:24px;line-height:34px;font-weight:800;color:#fff;}
.dual-dark .dual-text{font-size:15px;line-height:27px;color:rgba(255,255,255,.76);margin-top:12px;max-width:520px;}
.dual-light{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:36px;display:flex;flex-direction:column;}
.dual-light .dual-title{font-size:22px;line-height:32px;font-weight:800;color:var(--ink);}
.dual-light .dual-text{font-size:15px;line-height:27px;color:var(--ink-2);margin-top:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag-row span{font-size:12px;color:var(--brand);background:var(--brand-05);border-radius:var(--r-badge);padding:4px 10px;}
.dual-dark .tag-row span{background:rgba(255,255,255,.12);color:#fff;}
.dual-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:var(--sec-pc);}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:56px 0 40px;}
.ft-brand{display:flex;flex-direction:column;line-height:1.12;letter-spacing:-.5px;margin-bottom:14px;}
.ft-brand .b1{font-size:17px;font-weight:800;color:var(--brand-deep);}
.ft-brand .b2{font-size:11px;font-weight:700;color:var(--brand);letter-spacing:.5px;}
.ft-desc{font-size:14px;line-height:24px;color:var(--ink-2);max-width:300px;}
.ft-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.ft-links{list-style:none;padding:0;margin:0;}
.ft-links li{margin-bottom:11px;}
.ft-links a{font-size:14px;color:var(--ink-2);}
.ft-links a:hover{color:var(--brand);}
.ft-note{font-size:13px;line-height:23px;color:var(--ink-2);}
.ft-bar{background:var(--brand-deep);padding:14px 0;}
.ft-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.ft-bar p{font-size:12px;line-height:20px;color:rgba(255,255,255,.72);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .wrap{max-width:960px;}
  .hero h1{font-size:34px;line-height:46px;}
  .hero-visual img{height:340px;}
  .ft-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .sec{padding:var(--sec-tb) 0;}
  .hd-tel{display:none;}
  .hd-ch,.hd-hot{display:none!important;}
  .hd-burger{display:inline-flex;}
  .hd-search{display:none;}
  .hd-search-m{display:inline-flex;margin-left:auto;}
  .hd-top{height:60px;}
  .is-stuck .hd-top{height:56px;}
  .hero{padding:52px 0 44px;}
  .hero-visual{margin-top:36px;}
  .hero-visual img{height:300px;}
  .hero-float{right:12px;bottom:-16px;}
  .pain-grid{grid-template-columns:1fr;}
  .dual-grid{grid-template-columns:1fr;}
  .news-time{display:none;}
  .side-card{position:static;margin-top:20px;}
  .ft-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  body{font-size:16px;line-height:27px;}
  .wrap{padding:0 16px;}
  .sec{padding:var(--sec-mb) 0;}
  .sec-h2{font-size:22px;line-height:32px;}
  .hero h1{font-size:28px;line-height:40px;}
  .hero-sub{font-size:16px;line-height:27px;}
  .hero-badges{margin-top:32px;gap:10px;}
  .hero-badges span{font-size:12px;padding:6px 11px;}
  .hero-visual img{height:240px;}
  .hero-float{width:170px;padding:13px 15px;}
  .hero-float .num{font-size:24px;}
  .form-panel{padding:22px 18px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions .btn-brand,.form-actions .btn-accent{width:100%;}
  .dual-dark,.dual-light{padding:26px 20px;}
  .dual-dark .dual-title{font-size:20px;line-height:30px;}
  .stats{padding:44px 0;}
  .stat-num{font-size:34px;}
  .news-list{padding:4px 6px;}
  .news-row{flex-wrap:wrap;gap:12px;padding:16px 10px;}
  .news-thumb{width:100%;flex:0 0 100%;height:150px;}
  .news-sum{white-space:normal;}
  .news-arrow{margin-left:auto;}
  .ft-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 30px;}
  .site-footer{margin-top:var(--sec-mb);}
}
@media (max-width:479px){
  .hot-trend{display:none;}
  .hero-actions{gap:14px;}
  .hero-actions .btn-accent{width:100%;}
  .stat-num{font-size:30px;}
}

/* roulang page: category1 */
:root{
  --brand:#1C64C8;
  --brand-600:#1550A6;
  --brand-05:#EEF4FE;
  --brand-deep:#0E2F5C;
  --accent:#F26722;
  --accent-2:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF3;
  --ink:#17202E;
  --ink-2:#55637A;
  --ink-3:#8C99AD;
  --sh-1:0 1px 2px rgba(23,32,46,.04),0 4px 12px rgba(28,100,200,.06);
  --sh-2:0 6px 20px rgba(28,100,200,.12);
  --sh-3:0 8px 28px rgba(23,32,46,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-hero:18px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .16s ease,border-color .16s ease,background-color .16s ease;}
img{max-width:100%;display:block;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(28,100,200,.45);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.scrolled{box-shadow:var(--sh-3);}
.hd-top{
  height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:height .22s ease;
}
.site-header.scrolled .hd-top{height:52px;}
.hd-logo{display:flex;flex-direction:column;line-height:1.05;letter-spacing:-0.5px;}
.hd-logo .b1{font-size:19px;font-weight:800;color:var(--brand);}
.hd-logo .b2{font-size:12.5px;font-weight:700;color:var(--ink);letter-spacing:0.5px;}
.hd-top-right{display:flex;align-items:center;gap:16px;}
.hd-tel{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:6px;}
.hd-tel i{color:var(--accent);}
.btn-cta{
  height:40px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-cta:active{transform:translateY(0);}
.hd-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);color:var(--ink);font-size:17px;cursor:pointer;
}
.hd-ch{
  height:44px;display:flex;align-items:center;gap:26px;
  border-top:1px solid transparent;
}
.ch-link{
  position:relative;height:44px;display:inline-flex;align-items:center;
  font-size:15px;color:var(--ink-2);font-weight:500;
}
.ch-link:hover{color:var(--brand);}
.ch-link.active{color:var(--ink);font-weight:700;}
.ch-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);border-radius:2px;
}
.hd-search{margin-left:auto;position:relative;}
.hd-search input{
  width:220px;height:34px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 34px 0 14px;font-size:14px;color:var(--ink);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.hd-search input::placeholder{color:var(--ink-3);}
.hd-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.hd-search i{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px;pointer-events:none;}
.hd-hot{
  border-top:1px solid var(--line);
  height:34px;overflow:hidden;
  transition:height .22s ease,opacity .18s ease,border-color .22s ease;
}
.site-header.scrolled .hd-hot{height:0;opacity:0;border-color:transparent;}
.hd-hot-inner{display:flex;align-items:center;gap:14px;height:34px;}
.hot-label{font-size:13px;color:var(--ink-3);white-space:nowrap;display:flex;align-items:center;gap:5px;}
.hot-label i{color:var(--accent);}
.hot-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1;}
.hot-scroll::-webkit-scrollbar{display:none;}
.hot-chip{
  font-size:12.5px;padding:3px 11px;border-radius:6px;background:var(--brand-05);color:var(--brand);
  white-space:nowrap;border:1px solid transparent;
}
.hot-chip:hover{border-color:rgba(28,100,200,.25);}
.hot-trend{font-size:12.5px;color:var(--ink-3);white-space:nowrap;display:flex;align-items:center;gap:5px;}
.hot-trend:hover{color:var(--accent);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,47,92,.42);z-index:1050;
  opacity:0;visibility:hidden;transition:.22s ease;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100%;background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform .26s ease;padding:20px;overflow-y:auto;
  box-shadow:var(--sh-3);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);font-size:16px;color:var(--ink);cursor:pointer;}
.drawer-title{font-size:13px;color:var(--ink-3);margin:18px 0 10px;letter-spacing:.05em;}
.drawer-link{display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink);background:var(--bg);margin-bottom:8px;}
.drawer-link.active{background:var(--brand-05);color:var(--brand);font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer .btn-main{width:100%;margin-top:22px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:16px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--ink-2);}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;margin-top:18px;height:260px;border-radius:var(--r-hero);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,47,92,.45),rgba(14,47,92,.40)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  display:flex;align-items:center;
}
.page-hero .inner{padding:0 40px;max-width:720px;}
.page-hero h1{font-size:32px;line-height:1.4;color:#fff;font-weight:800;letter-spacing:.5px;}
.page-hero p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.88);}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0;}
.sec-tight{padding:0 0 88px;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:28px;line-height:38px;font-weight:800;letter-spacing:.3px;}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--ink-2);}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-05);border-radius:6px;padding:4px 10px;margin-bottom:14px;letter-spacing:.06em;
}

/* ---------- 图文交替 ---------- */
.split-img{border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-1);}
.split-img img{width:100%;height:320px;object-fit:cover;}
.split h3{font-size:20px;line-height:1.6;font-weight:700;margin-bottom:14px;}
.split p{font-size:15.5px;color:var(--ink-2);line-height:1.9;}
.dot-list{margin-top:18px;}
.dot-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:10px;line-height:1.8;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--brand);border-radius:2px;
}
.dot-list li strong{color:var(--ink);font-weight:700;}

/* ---------- 步骤条 ---------- */
.steps-wrap{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px 32px;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.steps::before{
  content:"";position:absolute;top:19px;left:12%;right:12%;height:2px;background:var(--brand-05);z-index:0;
}
.step{position:relative;z-index:1;text-align:center;padding:0 8px;}
.step .dot{
  width:38px;height:38px;margin:0 auto 16px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  box-shadow:0 0 0 5px #fff,0 0 0 6px var(--brand-05);
}
.step h4{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;background:var(--brand-05);border-left:4px solid var(--brand);
  border-radius:10px;padding:18px 22px;margin-top:26px;
}
.notice i{color:var(--brand);font-size:17px;margin-top:3px;}
.notice p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- 文字链 CTA ---------- */
.inline-cta{margin-top:48px;}
.inline-cta a{
  display:inline-flex;align-items:center;gap:8px;font-size:15.5px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(28,100,200,.35);padding-bottom:3px;
}
.inline-cta a i{transition:transform .18s ease;}
.inline-cta a:hover{color:var(--accent);border-color:var(--accent);}
.inline-cta a:hover i{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:0;background:var(--surface);border-radius:12px;box-shadow:var(--sh-1);
  margin-bottom:10px;overflow:hidden;position:relative;
}
.faq-acc .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  opacity:0;transition:opacity .2s ease;z-index:2;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.faq-acc .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:transparent;
  padding:18px 22px;box-shadow:none!important;display:flex;align-items:center;gap:14px;
  transition:color .2s ease,background-color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-05);}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .faq-sign{margin-left:auto;position:relative;width:16px;height:16px;flex:0 0 16px;color:var(--brand);}
.faq-acc .faq-sign::before,.faq-acc .faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-acc .faq-sign::before{left:0;top:7px;width:16px;height:2px;}
.faq-acc .faq-sign::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s ease,opacity .2s ease;}
.faq-acc .accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);opacity:0;}
.faq-acc .accordion-body{padding:6px 22px 22px;font-size:15px;line-height:26px;color:var(--ink-2);}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px;
}
.form-card .row{gap:0;}
.fld{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;
  font-size:15px;color:var(--ink);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.fld{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.fld::placeholder{color:var(--ink-3);}
.fld:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.fld.is-err{border-color:#E0483C;}
.f-err{display:none;font-size:12px;color:#E0483C;margin-top:6px;}
.f-err.show{display:block;}
.f-label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.f-label i{color:var(--accent);font-style:normal;margin-left:3px;}
.chk{display:flex;gap:10px;align-items:flex-start;margin:18px 0 16px;font-size:12.5px;color:var(--ink-3);line-height:20px;}
.chk input{width:16px;height:16px;margin-top:2px;accent-color:var(--accent-2);flex:0 0 16px;}
.chk a{color:var(--brand);border-bottom:1px solid rgba(28,100,200,.3);}
.btn-main{
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);background:var(--accent);color:#fff;
  font-size:15.5px;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.btn-main:hover{background:#DE5A17;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled{background:#C9D2E0;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{
  height:44px;padding:0 22px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink);
  font-size:15.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-05);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  height:44px;padding:0 22px;border:1px solid rgba(255,255,255,.35);border-radius:var(--r-btn);
  background:#fff;color:var(--brand);font-size:15.5px;font-weight:700;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}

/* ---------- 页尾 CTA ---------- */
.end-cta{
  background:var(--brand-deep);border-radius:var(--r-card);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.end-cta h2{font-size:24px;line-height:1.5;color:#fff;font-weight:800;}
.end-cta p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.75);}
.end-cta .stat{
  font-size:13px;color:rgba(255,255,255,.65);margin-top:8px;
}
.end-cta .stat b{font-size:26px;color:#fff;font-variant-numeric:tabular-nums;margin-right:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:88px;}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px;}
.ft-brand{display:flex;flex-direction:column;line-height:1.1;letter-spacing:-0.5px;margin-bottom:16px;}
.ft-brand .b1{font-size:19px;font-weight:800;color:var(--brand);}
.ft-brand .b2{font-size:12.5px;font-weight:700;color:var(--ink);letter-spacing:.5px;}
.ft-desc{font-size:14px;color:var(--ink-2);line-height:1.85;}
.ft-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.ft-links li{margin-bottom:10px;}
.ft-links a{font-size:14px;color:var(--ink-2);}
.ft-links a:hover{color:var(--brand);}
.ft-note{font-size:13.5px;color:var(--ink-2);line-height:1.85;}
.ft-note a{color:var(--brand);border-bottom:1px solid rgba(28,100,200,.3);}
.ft-bar{background:var(--brand-deep);}
.ft-bar .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px;
}
.ft-bar p{font-size:12px;color:rgba(255,255,255,.72);}

/* ---------- Modal ---------- */
.modal-content{border:0;border-radius:var(--r-card);box-shadow:var(--sh-3);}
.modal-dialog{max-width:520px;}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-size:18px;font-weight:700;}
.modal-body{padding:24px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 24px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{max-width:960px;}
  .ft-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .hd-ch,.hd-hot,.hd-tel{display:none;}
  .hd-burger{display:inline-flex;align-items:center;justify-content:center;}
  .sec{padding:64px 0;}
  .sec-tight{padding-bottom:64px;}
  .split-img img{height:280px;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-hero{height:240px;}
  .page-hero .inner{padding:0 28px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .sec{padding:48px 0;}
  .sec-tight{padding-bottom:48px;}
  .site-header.scrolled .hd-top{height:56px;}
  .hd-logo .b1{font-size:17px;}
  .hd-logo .b2{font-size:11.5px;}
  .btn-cta{padding:0 14px;font-size:14px;}
  .page-hero{height:220px;margin-top:14px;}
  .page-hero .inner{padding:0 20px;}
  .page-hero h1{font-size:26px;line-height:36px;}
  .page-hero p{font-size:14px;}
  .sec-head h2{font-size:22px;line-height:32px;}
  .steps{grid-template-columns:1fr;}
  .steps::before{display:none;}
  .step{display:flex;gap:16px;text-align:left;align-items:flex-start;padding:0;margin-bottom:20px;}
  .step .dot{margin:0;flex:0 0 38px;box-shadow:0 0 0 4px #fff,0 0 0 5px var(--brand-05);}
  .step:last-child{margin-bottom:0;}
  .steps-wrap{padding:26px 20px;}
  .split-img img{height:220px;}
  .form-card{padding:22px 18px;}
  .end-cta{padding:32px 24px;}
  .end-cta h2{font-size:20px;}
  .ft-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 30px;}
  .ft-bar .wrap{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn-main,.btn-ghost,.btn-light{width:100%;}
  .inline-cta a{font-size:15px;}
}
@media (max-width:480px){
  .hot-label,.hot-trend{display:none;}
  .hd-search input{width:150px;}
}

/* roulang page: article */
:root{
  --brand:#1C64C8;
  --brand-600:#1550A6;
  --brand-05:#EEF4FE;
  --brand-deep:#0E2F5C;
  --accent:#F26722;
  --accent-600:#D9541A;
  --accent-2:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF3;
  --ink:#17202E;
  --ink-2:#55637A;
  --ink-3:#8C99AD;
  --sh-1:0 1px 2px rgba(23,32,46,.04), 0 4px 12px rgba(28,100,200,.06);
  --sh-2:0 6px 20px rgba(28,100,200,.12);
  --sh-3:0 8px 28px rgba(23,32,46,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --container:1200px;
  --inner:1140px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.hd{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  transition:box-shadow .22s ease,background .22s ease;
}
.hd.scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  box-shadow:var(--sh-3);
}
.hd-top{border-bottom:1px solid var(--line);}
.hd-top .wrap{display:flex;align-items:center;gap:22px;height:60px;transition:height .22s ease;}
.hd-brand{display:flex;flex-direction:column;line-height:1.05;font-weight:800;letter-spacing:-.5px;flex-shrink:0;}
.hd-brand .b1{font-size:19px;color:var(--brand-deep);transition:font-size .22s ease;}
.hd-brand .b2{font-size:12.5px;color:var(--brand);transition:font-size .22s ease;}
.hd-quick{margin-left:auto;display:flex;align-items:center;gap:16px;}
.hd-phone{font-size:13px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;}
.hd-phone i{color:var(--accent-2);}
.hd-menu-btn{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-2);align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.hd-menu-btn:hover{border-color:var(--brand);color:var(--brand);}

.hd-ch{border-bottom:1px solid var(--line);background:#fff;}
.hd-ch .wrap{display:flex;align-items:center;gap:2px;height:44px;transition:height .22s ease;}
.ch-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .18s ease,height .22s ease;
}
.ch-link:hover{color:var(--brand);}
.ch-link.active{color:var(--brand);font-weight:600;}
.ch-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;
}
.hd-search{margin-left:auto;position:relative;}
.hd-search input{
  width:220px;height:34px;border:1px solid var(--line);border-radius:10px;
  padding:0 34px 0 12px;font-size:13px;color:var(--ink);background:#F8FAFE;transition:.18s ease;
}
.hd-search input::placeholder{color:var(--ink-3);}
.hd-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.hd-search i{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-3);pointer-events:none;}

.hd-hot{background:var(--brand-05);border-bottom:1px solid var(--line);}
.hd-hot .wrap{display:flex;align-items:center;gap:12px;height:34px;}
.hot-label{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--accent);white-space:nowrap;}
.hot-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;flex:1;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.hot-chips a{
  font-size:12.5px;color:var(--ink-2);white-space:nowrap;padding:2px 10px;border-radius:6px;
  background:#fff;border:1px solid var(--line);transition:.16s ease;
}
.hot-chips a:hover{color:#fff;background:var(--accent);border-color:var(--accent);}
.hot-trend{font-size:12.5px;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:4px;}

.hd.scrolled .hd-top .wrap{height:32px;}
.hd.scrolled .hd-brand .b1{font-size:15px;}
.hd.scrolled .hd-brand .b2{font-size:10px;}
.hd.scrolled .hd-ch .wrap{height:32px;}
.hd.scrolled .ch-link{height:32px;font-size:14px;padding:0 12px;}
.hd.scrolled .ch-link.active::after{left:12px;right:12px;}
.hd.scrolled .hd-hot{display:none;}
.hd.scrolled .hd-quick .btn-a{height:28px;padding:0 14px;font-size:12.5px;}

/* 抽屉 */
.hd-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:1060;
  transform:translateX(101%);transition:transform .26s ease;padding:18px;overflow-y:auto;box-shadow:var(--sh-3);
}
.hd-drawer.open{transform:translateX(0);}
.dr-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.dr-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink-2);cursor:pointer;}
.dr-close:hover{border-color:var(--brand);color:var(--brand);}
.dr-nav{display:flex;flex-direction:column;padding:8px 0;}
.dr-nav a{font-size:15px;color:var(--ink-2);padding:13px 4px;border-bottom:1px dashed var(--line);}
.dr-nav a.active{color:var(--brand);font-weight:600;}
.dr-hot{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;}
.dr-hot a{font-size:12.5px;color:var(--ink-2);padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:#F8FAFE;}
.dr-phone{font-size:13px;color:var(--ink-3);margin-top:14px;}
.hd-mask{position:fixed;inset:0;background:rgba(14,47,92,.42);opacity:0;visibility:hidden;transition:.24s;z-index:1050;}
.hd-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn-a,.btn-b,.btn-g{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1;
}
.btn-a{background:var(--accent);color:#fff;}
.btn-a:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-a:active{transform:translateY(0);}
.btn-a:focus-visible{outline:2px solid rgba(242,103,34,.4);outline-offset:2px;}
.btn-b{background:var(--brand);color:#fff;}
.btn-b:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-b:active{transform:translateY(0);}
.btn-b:focus-visible{outline:2px solid rgba(28,100,200,.35);outline-offset:2px;}
.btn-g{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-g:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-05);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600;}
.link-arrow i{transition:transform .18s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 文章头部 ============ */
.art-head{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CEE0;}
.crumb .now{color:var(--ink-2);}
.art-h1{
  font-size:32px;line-height:44px;font-weight:800;margin:18px 0 0;letter-spacing:-.4px;max-width:880px;
  overflow-wrap:break-word;
}
.art-lead{font-size:16px;line-height:28px;color:var(--ink-2);margin-top:14px;max-width:760px;}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;font-size:13.5px;color:var(--ink-3);}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12.5px;color:var(--brand);border:1px solid rgba(28,100,200,.28);background:var(--brand-05);
}
.badge-safe{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:6px;
  font-size:12.5px;color:#0C7F72;background:rgba(18,165,148,.1);border:1px solid rgba(18,165,148,.25);
}
.art-cover{margin-top:22px;border-radius:14px;overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--brand-05);}
.art-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文布局 ============ */
.art-main{padding:36px 0 0;}
.side-sticky{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);border:1px solid transparent;transition:.2s ease;
}
.side-title{
  font-size:16px;font-weight:700;margin:0 0 14px;padding-left:10px;border-left:3px solid var(--accent);line-height:20px;
}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);padding:8px 0 8px 2px;
  border-bottom:1px dashed var(--line);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:last-child{border-bottom:none;}
.toc-list a:hover,.toc-list a.active{color:var(--brand);font-weight:600;}
.hot-list{list-style:none;}
.hot-list li{padding:9px 0;border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:none;padding-bottom:0;}
.hot-list a{font-size:14px;color:var(--ink-2);line-height:22px;display:flex;gap:8px;}
.hot-list a span{color:var(--brand);font-weight:700;font-size:13px;flex-shrink:0;}
.hot-list a:hover{color:var(--brand);}
.side-form .fld{margin-bottom:10px;}
.side-form .btn-b{margin-top:6px;}

/* ============ 正文排版 ============ */
.art-body{
  background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:34px 36px;font-size:17px;line-height:30px;color:#22303F;
  max-width:100%;overflow-wrap:break-word;
}
.art-body>*:first-child{margin-top:0;}
.art-body p{margin:0 0 1.5em;}
.art-body h2{
  font-size:22px;line-height:32px;font-weight:700;margin:40px 0 16px;
  padding-left:12px;border-left:4px solid var(--brand);scroll-margin-top:96px;
}
.art-body h3{font-size:18px;line-height:28px;font-weight:600;margin:28px 0 12px;}
.art-body a{color:var(--brand);border-bottom:1px solid rgba(28,100,200,.35);}
.art-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.art-body strong{color:var(--brand-deep);}
.art-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--brand-05);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16px;line-height:28px;
}
.art-body ul,.art-body ol{margin:0 0 1.5em;padding-left:4px;list-style:none;}
.art-body ol{counter-reset:li;padding-left:0;}
.art-body ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.art-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.art-body ol li{position:relative;padding-left:26px;margin-bottom:8px;counter-increment:li;}
.art-body ol li::before{
  content:counter(li);position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:5px;
  background:var(--brand-05);color:var(--brand);font-size:12px;font-weight:700;text-align:center;line-height:18px;
}
.art-body img{border-radius:var(--r-img);margin:1.2em 0 .5em;}
.art-body figcaption{font-size:13px;color:var(--ink-3);line-height:20px;margin-bottom:1.2em;}
.art-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;line-height:24px;}
.art-body th{
  background:var(--brand-05);color:var(--brand-deep);font-weight:600;text-align:left;
  padding:11px 14px;border-bottom:1px solid var(--line);
}
.art-body td{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--ink-2);}
.art-body tbody tr:nth-child(even) td{background:var(--brand-05);}
.art-body hr{border:none;border-top:1px dashed var(--line);margin:2em 0;}

.empty-box{
  background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:56px 32px;text-align:center;
}
.empty-box i{font-size:44px;color:#C3CEE0;}
.empty-box h2{font-size:20px;margin:16px 0 8px;}
.empty-box p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* ============ 标签与延伸 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:6px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:.16s ease;
}
.tag-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-05);}
.sec{padding:48px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.sec-h2{font-size:24px;line-height:34px;}
.sec-sub{font-size:14px;color:var(--ink-2);margin-top:8px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);height:100%;transition:transform .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--ink);}
.rel-card .rc-tag{font-size:12.5px;color:var(--brand);}
.rel-card .rc-t{font-size:17px;line-height:26px;font-weight:600;color:var(--ink);}
.rel-card .rc-d{font-size:14px;line-height:24px;color:var(--ink-2);}

/* 双向导流 */
.flow{display:grid;grid-template-columns:7fr 5fr;gap:22px;margin-top:48px;}
.flow-dark{
  background:var(--brand-deep);border-radius:var(--r-card);padding:32px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
}
.flow-dark h3{font-size:21px;line-height:32px;}
.flow-dark p{font-size:14.5px;line-height:26px;color:#C3D5EE;margin-top:10px;}
.flow-light{
  background:var(--brand-05);border-radius:var(--r-card);padding:32px;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
}
.flow-light h3{font-size:21px;line-height:32px;color:var(--brand-deep);}
.flow-light p{font-size:14.5px;line-height:26px;color:var(--ink-2);margin-top:10px;}
.flow-dark .link-arrow{color:#8FC0FF;}
.flow-dark .link-arrow:hover{color:#fff;}

/* ============ 表单 ============ */
.form-sec{padding:56px 0 0;}
.form-panel{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:34px;
}
.form-panel h2{font-size:24px;line-height:34px;margin-bottom:10px;}
.form-panel .fp-lead{font-size:14.5px;color:var(--ink-2);margin-bottom:22px;}
.fld{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font-size:14.5px;color:var(--ink);background:#fff;transition:.18s ease;
}
textarea.fld{height:auto;padding:12px 14px;line-height:24px;resize:vertical;}
select.fld{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8C99AD 50%),linear-gradient(135deg,#8C99AD 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.fld::placeholder{color:var(--ink-3);}
.fld:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.fld.err{border-color:#E0483C;box-shadow:0 0 0 4px rgba(224,72,60,.1);}
.fld-tip{font-size:12px;color:#E0483C;margin-top:6px;display:none;}
.fld-tip.show{display:block;}
.f-label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:8px;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:20px;color:var(--ink-3);margin:16px 0 14px;}
.agree input{width:16px;height:16px;margin-top:2px;accent-color:var(--accent-2);flex-shrink:0;}
.agree a{color:var(--brand);}
.privacy-note{font-size:12px;color:var(--ink-3);margin-top:10px;line-height:20px;}
.submit-btn[disabled]{background:#BCC7D8;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ FAQ ============ */
.accordion-item{
  background:#fff;border:1px solid transparent;border-radius:12px;margin-bottom:10px;
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
}
.accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:.2s;
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{background:var(--accent);}
.accordion-button{
  background:#fff;font-size:17px;font-weight:600;color:var(--ink);padding:18px 52px 18px 22px;
  border:none;box-shadow:none!important;transition:.2s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;background:var(--ink-3);
  background-image:none;transform:translateY(-50%);transition:background .2s;
}
.accordion-button::before{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;background:var(--ink-3);
  transform:translateY(-50%);transition:.2s;
}
.accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.accordion-button:not(.collapsed)::after{background:var(--accent);}
.accordion-body{font-size:15px;line-height:26px;color:var(--ink-2);padding:0 22px 20px;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:88px;}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:56px 0 44px;}
.ft-brand{display:flex;flex-direction:column;line-height:1.05;font-weight:800;letter-spacing:-.5px;}
.ft-brand .b1{font-size:20px;color:var(--brand-deep);}
.ft-brand .b2{font-size:13px;color:var(--brand);}
.ft-desc{font-size:14px;line-height:24px;color:var(--ink-2);margin-top:14px;}
.ft-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.ft-links{list-style:none;}
.ft-links li{margin-bottom:10px;}
.ft-links a{font-size:14px;color:var(--ink-2);}
.ft-links a:hover{color:var(--brand);}
.ft-note{font-size:14px;line-height:24px;color:var(--ink-2);}
.ft-note a{color:var(--brand);}
.ft-bar{background:var(--brand-deep);}
.ft-bar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:16px;padding-bottom:16px;}
.ft-bar p{font-size:12px;line-height:20px;color:#B9CBE5;}

/* ============ Modal ============ */
.modal-content{border:none;border-radius:16px;box-shadow:var(--sh-3);}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-size:18px;font-weight:700;}
.modal-body{padding:22px 24px 26px;}
.btn-close:focus{box-shadow:none;}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .side-sticky{position:sticky;top:84px;}
}
@media (max-width:1199px){
  .wrap{max-width:960px;}
  .art-body{padding:30px 28px;}
}
@media (max-width:991px){
  .hd-search input{width:170px;}
  .art-h1{font-size:28px;line-height:40px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 34px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .hd-menu-btn{display:flex;}
  .hd-phone{display:none;}
  .hd-top .wrap{height:56px;gap:12px;}
  .hd-ch .wrap{height:44px;overflow-x:auto;scrollbar-width:none;}
  .hd-ch .wrap::-webkit-scrollbar{display:none;}
  .hd-search{display:none;}
  .hd-hot{display:none;}
  .hd.scrolled .hd-top .wrap{height:52px;}
  .hd.scrolled .hd-brand .b1{font-size:18px;}
  .hd.scrolled .hd-brand .b2{font-size:12px;}
  .hd.scrolled .hd-ch .wrap{height:44px;}
  .hd.scrolled .ch-link{height:44px;font-size:14.5px;padding:0 12px;}
  .art-h1{font-size:26px;line-height:36px;margin-top:14px;}
  .art-lead{font-size:15px;line-height:26px;}
  .art-body{padding:22px 18px;font-size:16px;line-height:28px;}
  .art-body h2{font-size:20px;line-height:30px;margin:32px 0 14px;}
  .art-body h3{font-size:17px;}
  .art-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .side-card{padding:18px;}
  .sec-h2{font-size:21px;line-height:30px;}
  .rel-grid{grid-template-columns:1fr;}
  .flow-dark,.flow-light{padding:24px;}
  .form-panel{padding:22px 18px;}
  .form-panel h2{font-size:21px;line-height:30px;}
  .btn-a,.btn-b,.btn-g{min-height:44px;}
  .btn-block{width:100%;}
  .site-footer{margin-top:56px;}
  .ft-grid{grid-template-columns:1fr;gap:26px;padding:36px 0 28px;}
  .empty-box{padding:40px 20px;}
}
@media (max-width:479px){
  .hot-chips{display:none;}
  .rel-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
  --brand:#1C64C8;
  --brand-600:#1550A6;
  --brand-05:#EEF4FE;
  --brand-deep:#0E2F5C;
  --accent:#F26722;
  --accent-d:#D9561A;
  --accent-2:#12A594;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF3;
  --ink:#17202E;
  --ink-2:#55637A;
  --ink-3:#8C99AD;
  --danger:#E0483C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-hero:18px;
  --sh-1:0 1px 2px rgba(23,32,46,.04), 0 4px 12px rgba(28,100,200,.06);
  --sh-2:0 6px 20px rgba(28,100,200,.12);
  --sh-3:0 8px 28px rgba(23,32,46,.10);
  --wrap:1200px;
  --hd-h:60px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(28,100,200,.45);outline-offset:2px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-accent,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn-main{background:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-05);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-disabled,.btn-main[disabled]{background:#C3CEDD;color:#fff;cursor:not-allowed;transform:none;box-shadow:none;}
.text-cta{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.text-cta i{transition:transform .18s ease;font-size:13px;}
.text-cta:hover i{transform:translateX(3px);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.98);transition:box-shadow .22s ease;}
.site-header.scrolled{box-shadow:var(--sh-3);border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(6px);}
.hd-top{display:flex;align-items:center;justify-content:space-between;height:var(--hd-h);transition:height .22s ease;}
.site-header.scrolled .hd-top{height:40px;}
.brand{display:flex;flex-direction:column;line-height:1.05;letter-spacing:-.5px;color:var(--ink);}
.brand .b1{font-size:18px;font-weight:800;color:var(--brand);}
.brand .b2{font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.5px;}
.brand:hover{color:var(--ink);}
.site-header.scrolled .brand{flex-direction:row;align-items:baseline;gap:6px;}
.site-header.scrolled .brand .b1{font-size:15px;}
.site-header.scrolled .brand .b2{font-size:11px;}
.hd-top-right{display:flex;align-items:center;gap:16px;}
.hd-phone{font-size:14px;color:var(--ink-2);display:inline-flex;align-items:center;gap:7px;}
.hd-phone i{color:var(--brand);}
.hd-search-mb{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink-2);cursor:pointer;font-size:15px;}
.hd-search-mb:hover{border-color:var(--brand);color:var(--brand);}

.hd-ch-outer{border-top:1px solid var(--line);transition:height .22s ease;}
.hd-ch{display:flex;align-items:center;gap:4px;height:44px;overflow-x:auto;scrollbar-width:none;}
.hd-ch::-webkit-scrollbar{display:none;}
.site-header.scrolled .hd-ch{height:32px;}
.ch-link{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.site-header.scrolled .ch-link{font-size:13.5px;padding:0 12px;}
.ch-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .18s ease;border-radius:2px;}
.ch-link:hover{color:var(--brand);}
.ch-link.active{color:var(--brand);}
.ch-link.active::after{transform:scaleX(1);}
.hd-search{position:relative;margin-left:auto;flex:0 0 auto;}
.hd-search input{width:220px;height:38px;padding:0 38px 0 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);transition:all .18s ease;font-size:14px;}
.hd-search input::placeholder{color:var(--ink-3);}
.hd-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.hd-search i{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;pointer-events:none;}

.hd-hot{height:34px;border-top:1px solid var(--line);overflow:hidden;transition:height .22s ease,opacity .18s ease;background:#fff;}
.site-header.scrolled .hd-hot{height:0;opacity:0;border-top-color:transparent;}
.hd-hot-inner{display:flex;align-items:center;gap:10px;height:34px;overflow-x:auto;scrollbar-width:none;}
.hd-hot-inner::-webkit-scrollbar{display:none;}
.hot-label{font-size:13px;font-weight:700;color:var(--accent);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.hot-chip{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:6px;background:var(--brand-05);color:var(--brand);font-size:13px;white-space:nowrap;}
.hot-chip:hover{background:var(--brand);color:#fff;}
.hot-trend{margin-left:auto;font-size:13px;color:var(--ink-3);white-space:nowrap;}

.hd-mb-search{display:none;padding:10px 0;border-top:1px solid var(--line);}
.hd-mb-search.show{display:block;}
.hd-mb-search input{width:100%;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);}
.hd-mb-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(28,100,200,.12);}

.hd-burger{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);font-size:16px;cursor:pointer;}
.drawer-mask{position:fixed;inset:0;background:rgba(14,47,92,.42);opacity:0;visibility:hidden;transition:.2s ease;z-index:1040;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:-84vw;width:82vw;max-width:360px;height:100%;background:#fff;z-index:1050;box-shadow:var(--sh-3);transition:right .26s ease;padding:18px 20px;overflow-y:auto;}
.drawer.show{right:0;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand .b1{font-size:17px;}
.drawer-head .brand .b2{font-size:11.5px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:16px;color:var(--ink-2);cursor:pointer;}
.drawer-sec{margin-bottom:20px;}
.drawer-sec h4{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:10px;}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink);}
.drawer-link:hover,.drawer-link.active{background:var(--brand-05);color:var(--brand);}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-phone{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- 面包屑 ---------- */
.crumb{padding:16px 0;font-size:14px;color:var(--ink-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;align-items:center;
  background-image:linear-gradient(rgba(14,47,92,.42),rgba(14,47,92,.42)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-hero) var(--r-hero);
  overflow:hidden;
}
.page-hero .wrap{padding-top:44px;padding-bottom:44px;}
.page-hero h1{font-size:32px;line-height:44px;color:#fff;letter-spacing:-.4px;}
.page-hero .hero-sub{margin-top:12px;font-size:16px;line-height:28px;color:rgba(255,255,255,.88);max-width:620px;}

/* ---------- 板块 ---------- */
.sec{padding:88px 0;}
.sec-tight{padding:56px 0;}
.sec-white{background:var(--surface);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:28px;line-height:38px;}
.sec-head .lead{margin-top:12px;font-size:16px;line-height:28px;color:var(--ink-2);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-05);border-radius:6px;padding:5px 12px;margin-bottom:14px;letter-spacing:.4px;}

/* ---------- 快速自检（图 + 清单） ---------- */
.check-grid{display:grid;grid-template-columns:6fr 6fr;gap:32px;align-items:center;}
.check-figure{position:relative;}
.check-figure img{border-radius:var(--r-img);box-shadow:var(--sh-1);width:100%;height:320px;object-fit:cover;}
.check-figure figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list i{color:var(--accent-2);font-size:16px;margin-top:5px;}
.check-list h3{font-size:17px;line-height:26px;margin-bottom:4px;}
.check-list p{font-size:14px;line-height:24px;color:var(--ink-2);margin:0;}

/* ---------- 时间轴 ---------- */
.tl{position:relative;padding:6px 0;}
.tl::before{content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,rgba(28,100,200,.16) 100%);border-radius:2px;}
.tl-item{position:relative;padding-left:66px;margin-bottom:18px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{position:absolute;left:8px;top:20px;width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;z-index:1;}
.tl-card{background:var(--surface);border:1px solid transparent;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 24px;transition:all .2s ease;}
.tl-item:hover .tl-card{box-shadow:var(--sh-2);border-color:rgba(28,100,200,.12);transform:translateY(-2px);}
.tl-card h3{font-size:18px;line-height:28px;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-tag{font-size:12px;font-weight:600;color:var(--brand);border:1px solid rgba(28,100,200,.35);border-radius:6px;padding:2px 8px;line-height:18px;background:var(--brand-05);}
.tl-card p{font-size:15px;line-height:26px;color:var(--ink-2);margin:0;}

/* ---------- 对照卡组 ---------- */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.cmp-card{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px 22px;border-left:3px solid var(--accent);transition:all .2s ease;}
.cmp-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.cmp-card .cmp-q{font-size:16px;font-weight:700;line-height:26px;display:flex;align-items:center;gap:8px;}
.cmp-card .cmp-q i{color:var(--accent);font-size:14px;}
.cmp-card .cmp-a{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:14px;line-height:24px;color:var(--ink-2);display:flex;gap:8px;}
.cmp-card .cmp-a i{color:var(--accent-2);font-size:14px;margin-top:4px;}

/* ---------- 文字链 CTA 条 ---------- */
.link-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:22px 26px;background:var(--brand-05);border-radius:var(--r-card);border:1px solid rgba(28,100,200,.14);}
.link-cta p{margin:0;font-size:15px;color:var(--ink-2);}
.link-cta .text-cta{margin-left:auto;font-size:16px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq .accordion-item{border:0;border-radius:12px;background:var(--surface);box-shadow:var(--sh-1);margin-bottom:10px;overflow:hidden;}
.faq .accordion-button{
  width:100%;text-align:left;background:var(--surface);border:0;
  padding:18px 52px 18px 22px;font-size:17px;line-height:26px;font-weight:600;color:var(--ink);
  position:relative;box-shadow:none;transition:all .2s ease;cursor:pointer;
}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-button:not(.collapsed){color:var(--brand);box-shadow:inset 3px 0 0 0 var(--accent);background:var(--surface);}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed)::before{content:"−";color:var(--accent);}
.faq .accordion-body{padding:0 22px 20px;font-size:15px;line-height:26px;color:var(--ink-2);}
.faq .accordion-collapse{transition:height .2s ease;}

/* ---------- 表单 ---------- */
.ask-wrap{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.ask-aside h2{font-size:28px;line-height:38px;margin-bottom:14px;}
.ask-aside p{font-size:15px;line-height:26px;color:var(--ink-2);}
.ask-aside .aside-note{margin-top:18px;padding:16px 18px;background:var(--brand-05);border-radius:var(--r-card);font-size:14px;line-height:24px;color:var(--brand-600);}
.form-card{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.field label .opt{font-weight:400;color:var(--ink-3);font-size:13px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;
  padding:0 14px;height:44px;transition:all .18s ease;
}
.field textarea{height:auto;padding:11px 14px;line-height:24px;resize:vertical;min-height:88px;}
.field select{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='%2355637A' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,100,200,.12);}
.field input.err,.field select.err{border-color:var(--danger);}
.field .msg{display:none;margin-top:6px;font-size:12px;color:var(--danger);}
.field .msg.show{display:block;}
.privacy-line{display:flex;gap:10px;align-items:flex-start;margin:6px 0 14px;font-size:12.5px;line-height:20px;color:var(--ink-3);}
.privacy-line input{width:18px;height:18px;margin-top:1px;accent-color:var(--accent-2);flex:0 0 auto;}
.privacy-line a{color:var(--brand);}
.form-tip{margin-top:10px;font-size:12px;line-height:20px;color:var(--ink-3);}

/* ---------- 页尾 CTA ---------- */
.cta-band{background:var(--brand-deep);border-radius:var(--r-card);padding:44px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;}
.cta-band h2{color:#fff;font-size:26px;line-height:36px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;line-height:26px;margin:0;max-width:640px;}
.cta-band .cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:0;}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding:56px 0 44px;}
.ft-brand{display:flex;flex-direction:column;line-height:1.1;letter-spacing:-.5px;margin-bottom:14px;}
.ft-brand .b1{font-size:18px;font-weight:800;color:var(--brand);}
.ft-brand .b2{font-size:12px;font-weight:600;color:var(--ink-2);}
.ft-desc{font-size:14px;line-height:24px;color:var(--ink-2);}
.ft-title{font-size:15px;font-weight:700;margin-bottom:14px;}
.ft-links li{margin-bottom:10px;}
.ft-links a{font-size:14px;color:var(--ink-2);}
.ft-links a:hover{color:var(--brand);}
.ft-note{font-size:14px;line-height:24px;color:var(--ink-2);}
.ft-note a{color:var(--brand);}
.ft-bar{background:var(--brand-deep);padding:16px 0;}
.ft-bar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;}
.ft-bar p{margin:0;font-size:12px;line-height:20px;color:rgba(255,255,255,.66);}

/* ---------- Modal ---------- */
.modal-content{border:0;border-radius:16px;box-shadow:var(--sh-3);}
.modal-header{border-bottom:1px solid var(--line);padding:18px 24px;}
.modal-title{font-size:18px;font-weight:700;}
.modal-body{padding:22px 24px 24px;}
.modal-dialog{max-width:520px;}
.btn-close:focus{box-shadow:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{max-width:960px;}
}
@media (max-width:991px){
  .sec{padding:64px 0;}
  .page-hero h1{font-size:30px;line-height:42px;}
  .check-grid{grid-template-columns:1fr;gap:24px;}
  .check-figure img{height:260px;}
  .ask-wrap{grid-template-columns:1fr;gap:22px;}
  .cmp-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px;}
  .cta-band .cta-actions{margin-left:0;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 34px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:26px;}
  .wrap{padding:0 16px;}
  .hd-phone,.hd-top-right .btn-accent{display:none;}
  .hd-burger,.hd-search-mb{display:inline-flex;align-items:center;justify-content:center;}
  .hd-search{display:none;}
  .hd-ch{height:46px;}
  .ch-link{padding:0 11px;font-size:14.5px;}
  .page-hero{min-height:220px;border-radius:0 0 14px 14px;}
  .page-hero .wrap{padding-top:34px;padding-bottom:34px;}
  .page-hero h1{font-size:26px;line-height:36px;}
  .page-hero .hero-sub{font-size:14.5px;line-height:24px;}
  .sec,.sec-tight{padding:48px 0;}
  .sec-head{margin-bottom:24px;}
  .sec-head h2,.ask-aside h2{font-size:22px;line-height:32px;}
  .tl::before{left:11px;}
  .tl-item{padding-left:44px;margin-bottom:14px;}
  .tl-dot{left:0;width:22px;height:22px;font-size:11px;top:18px;}
  .tl-card{padding:18px;}
  .tl-card h3{font-size:17px;line-height:26px;}
  .form-card{padding:18px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .link-cta{padding:18px;flex-direction:column;align-items:flex-start;}
  .link-cta .text-cta{margin-left:0;}
  .cta-band{padding:26px 20px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:21px;line-height:30px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn-accent,.cta-band .cta-actions .btn-line{width:100%;}
  .ft-grid{grid-template-columns:1fr;gap:26px;padding:36px 0 28px;}
  .ft-bar .wrap{flex-direction:column;}
  .btn-main,.btn-accent{width:100%;}
  .hd-top-right .btn-main,.hd-top-right .btn-accent{width:auto;}
  .check-figure img{height:220px;}
}
@media (max-width:479px){
  .hd-hot{display:none;}
  .page-hero h1{font-size:23px;line-height:33px;}
  .tl-card h3{flex-direction:column;align-items:flex-start;gap:6px;}
}