/* roulang page: index */
:root{
  --brand-900:#0B2C4D;
  --brand-700:#134A80;
  --brand-600:#1B5FA8;
  --brand-500:#2E7CC7;
  --brand-100:#E6F0FA;
  --accent-500:#FF7A2F;
  --accent-100:#FFF0E6;
  --ink:#16212E;
  --ink-2:#5A6B7D;
  --ink-3:#8A99A8;
  --line:#E3E9F1;
  --bg:#F7F9FC;
  --bg-soft:#F2F7FD;
  --card:#FFFFFF;
  --ok:#18A05E;
  --warn:#D98A00;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,54,92,.06);
  --shadow-2:0 12px 28px -12px rgba(18,54,92,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.3;font-weight:600}
.section-head .sub{margin-top:10px;font-size:14px;color:var(--ink-3);max-width:34em}
.section-link{font-size:14px;color:var(--brand-600);white-space:nowrap}
.section-link:hover{text-decoration:underline}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand-600);
  background:var(--brand-100);padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:18px;font-weight:600;
}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:200;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--brand-900);flex-shrink:0}
.logo:hover{text-decoration:none;color:var(--brand-900)}
.logo__mark{width:28px;height:28px;color:var(--brand-600)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--brand-900)}
.logo__sub{font-size:12px;color:var(--ink-3)}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink-2);transition:color .18s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand-900);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--accent-100);color:var(--accent-500);
  border:1px solid rgba(255,122,47,.35);
  font-size:14px;font-weight:600;transition:all .2s ease;
}
.nav-cta:hover{background:var(--accent-500);color:#fff;border-color:var(--accent-500);text-decoration:none;transform:translateY(-1px)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-100);color:var(--brand-600);background:var(--brand-100)}
.menu-btn{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand-900);align-items:center;justify-content:center}
.drawer{
  position:fixed;inset:0;z-index:300;background:rgba(11,44,77,.35);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;
  background:#fff;padding:24px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .25s cubic-bezier(.2,.7,.3,1);
  box-shadow:var(--shadow-2);overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer__link{font-size:17px;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}
.drawer__link:hover{color:var(--brand-600);text-decoration:none}
.drawer__link.active{color:var(--brand-600);font-weight:600}
.drawer__cta{margin-top:22px}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:84px 0 96px;
  background-image:linear-gradient(90deg,#ffffff 0%,rgba(255,255,255,.94) 40%,rgba(255,255,255,.62) 72%,rgba(255,255,255,.35) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;font-weight:700;
  color:var(--brand-900);letter-spacing:-.01em;
}
.hero-lead{margin-top:18px;font-size:1.0625rem;color:var(--ink-2);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;margin-top:30px;font-size:13px;color:var(--ink-3)}
.trust-row li{padding:0 16px;border-left:1px solid var(--line)}
.trust-row li:first-child{padding-left:0;border-left:0}
.hero-visual{position:relative}
.hero-visual img{border-radius:16px;box-shadow:var(--shadow-2);width:100%;object-fit:cover}
.hero-chip{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-2);padding:14px 18px;min-width:190px;
}
.hero-chip strong{display:block;font-size:20px;color:var(--brand-600);line-height:1.2}
.hero-chip span{font-size:12px;color:var(--ink-3)}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s cubic-bezier(.2,.7,.3,1);border:1.5px solid transparent;
}
.btn-main{background:var(--accent-500);color:#fff;box-shadow:0 8px 18px -10px rgba(255,122,47,.7)}
.btn-main:hover{background:#ef6a1d;color:#fff;transform:translateY(-1px);text-decoration:none}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.btn-line{background:transparent;color:var(--brand-600);border-color:var(--line)}
.btn-line:hover{background:#fff;border-color:var(--brand-100);color:var(--brand-700);text-decoration:none}

/* ---------- badge ---------- */
.badge-soft{
  display:inline-block;background:var(--brand-100);color:var(--brand-600);
  border-radius:var(--r-pill);font-size:12px;padding:4px 10px;line-height:1.5;font-weight:600;
}
.badge-accent{display:inline-block;background:var(--accent-100);color:var(--accent-500);border-radius:var(--r-pill);font-size:12px;padding:4px 10px;line-height:1.5;font-weight:600}

/* ---------- 主张区 ---------- */
.claim-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:start}
.claim-copy p{font-size:16px;color:var(--ink-2);margin-bottom:16px}
.claim-copy p:last-child{margin-bottom:0}
.claim-copy strong{color:var(--brand-900)}
.claim-list{border-top:1px solid var(--line)}
.claim-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.claim-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-600);margin-top:10px;flex-shrink:0}
.claim-item h3{font-size:1.0625rem;font-weight:600;color:var(--brand-900)}
.claim-item p{font-size:14px;color:var(--ink-2);margin-top:6px}

/* ---------- 入口卡 1大2小 ---------- */
.entry-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}
.entry-side{display:grid;gap:24px}
.p-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
  position:relative;
}
.p-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.p-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none}
.p-card:hover::before{transform:scaleX(1)}
.p-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100)}
.p-card__media img{width:100%;height:100%;object-fit:cover}
.p-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.p-card__title{font-size:1.125rem;font-weight:600;color:var(--brand-900);line-height:1.4}
.p-card__desc{font-size:14px;color:var(--ink-2);line-height:1.7}
.p-card__foot{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.p-card:hover .p-card__foot svg{transform:translateX(4px)}
.p-card__foot svg{transition:transform .2s ease}
.entry-feature{display:flex;flex-direction:column}
.entry-feature .p-card__media{aspect-ratio:16/9}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1);position:relative}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-600);font-weight:700;font-size:15px;margin-bottom:16px;
}
.flow-item h3{font-size:1rem;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2)}

/* ---------- 精选内容 ---------- */
.pick-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}
.pick-side{display:grid;gap:24px}
.mini-card{
  display:grid;grid-template-columns:120px 1fr;gap:18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);padding:16px;
  box-shadow:var(--shadow-1);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);text-decoration:none}
.mini-card img{width:120px;height:88px;object-fit:cover;border-radius:10px}
.mini-card h3{font-size:1rem;font-weight:600;margin:8px 0 6px;line-height:1.45;color:var(--brand-900)}
.mini-card p{font-size:13px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-row{
  display:grid;grid-template-columns:140px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.news-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.news-row__thumb img{width:140px;height:96px;object-fit:cover;border-radius:10px}
.news-row__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.news-row__title{font-size:1.0625rem;font-weight:600;line-height:1.5}
.news-row__title a{color:var(--brand-900)}
.news-row__title a:hover{color:var(--brand-600);text-decoration:none}
.news-row__desc{font-size:14px;color:var(--ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row__go{color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);transition:all .2s ease}
.news-row__go:hover{background:var(--brand-100);border-color:var(--brand-100);text-decoration:none}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;color:var(--ink-3);
}
.empty-state svg{width:32px;height:32px;color:var(--brand-500);margin:0 auto 14px}
.empty-state p{font-size:14px;margin-bottom:10px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:34px 24px;border-left:1px solid var(--line);text-align:center}
.stat:first-child{border-left:0}
.stat strong{display:block;font-size:clamp(1.6rem,2.4vw,2.1rem);color:var(--brand-600);font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:16px;font-weight:600;color:var(--brand-900);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-icon{flex-shrink:0;width:24px;height:24px;color:var(--brand-600);transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:62em}

/* ---------- CTA / 表单 ---------- */
.cta-band{background:var(--bg-soft);padding:96px 0}
.cta-inner{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-inner h2{font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.3}
.cta-inner p{margin-top:14px;color:var(--ink-2);font-size:15px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form-row input{
  flex:1 1 200px;min-height:48px;padding:12px 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row input::placeholder{color:var(--ink-3)}
.form-row input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(27,95,168,.15)}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3)}
.form-msg{margin-top:12px;font-size:13px;color:var(--ok);min-height:20px}
.form-msg.is-warn{color:var(--warn)}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand-600);text-decoration:none}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--ink-2);max-width:26em}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:24px}
  .nav-list{gap:20px}
}
@media (max-width:991px){
  .nav-list,.header-actions .nav-cta{display:none}
  .menu-btn{display:inline-flex;margin-left:auto}
  .header-actions{gap:10px}
  .hero{padding:60px 0 72px;background-image:linear-gradient(180deg,#ffffff 0%,rgba(255,255,255,.92) 55%,rgba(255,255,255,.75) 100%),url('/assets/images/backpic/back-1.png')}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .hero-chip{left:auto;right:16px;bottom:-18px}
  .claim-grid{grid-template-columns:1fr;gap:36px}
  .entry-grid{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
  .cta-band{padding:72px 0}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .flow-grid{grid-template-columns:1fr}
  .news-row{grid-template-columns:1fr;gap:14px}
  .news-row__thumb img{width:100%;height:150px}
  .news-row__go{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-left:0;border-top:1px solid var(--line);padding:24px 12px}
  .stat:nth-child(-n+2){border-top:0}
  .mini-card{grid-template-columns:1fr}
  .mini-card img{width:100%;height:150px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .btn-main,.btn-ghost,.btn-line,.form-row input{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .trust-row li{padding:0 12px}
  .trust-row li:first-child{padding-left:0}
}

/* roulang page: article */
:root{
  --brand-900:#0B2C4D;
  --brand-700:#134A80;
  --brand-600:#1B5FA8;
  --brand-500:#2E7CC7;
  --brand-100:#E6F0FA;
  --accent-500:#FF7A2F;
  --accent-100:#FFF0E6;
  --text:#16212E;
  --text-2:#5A6B7D;
  --text-3:#8A99A8;
  --border:#E3E9F1;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ok:#18A05E;
  --warn:#D98A00;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,54,92,.06);
  --shadow-2:0 12px 28px -12px rgba(18,54,92,.14);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);
  background:var(--bg);font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:600;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand-700);flex:0 0 auto}
.logo:hover{color:var(--brand-700)}
.logo__mark{width:28px;height:28px;color:var(--brand-600);flex:0 0 auto}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:16px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.logo__sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.14em}
.nav-list{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{
  position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:8px 18px;
  background:var(--accent-500);color:#fff;border-radius:999px;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease;
  box-shadow:0 6px 14px -8px rgba(255,122,47,.9);
}
.nav-cta:hover{background:#f06a1c;color:#fff;transform:translateY(-1px)}
.nav-cta svg{transition:transform .2s ease}
.nav-cta:hover svg{transform:translateX(3px)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid var(--border);border-radius:10px;color:var(--text-2);background:#fff;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--brand-100);background:var(--brand-100);color:var(--brand-700)}
.menu-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text-2);cursor:pointer;
}
.nav-cta--mobile{display:none}

/* ---------- article head ---------- */
.article-head{
  background:linear-gradient(180deg,#FFFFFF 0%, #F2F7FD 100%);
  border-bottom:1px solid var(--border);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:18px 0 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#C7D2DE}
.crumb .current{color:var(--brand-600);font-weight:600}
.head-body{padding:22px 0 40px;max-width:900px}
.head-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand-100);color:var(--brand-700);
  border-radius:999px;font-size:12px;font-weight:600;padding:4px 12px;margin-bottom:16px;
}
.article-h1{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;font-weight:700;color:var(--brand-900)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:18px;font-size:13.5px;color:var(--text-2)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{color:var(--brand-500);flex:0 0 auto}
.cover-band{margin-top:28px;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);background:var(--brand-100)}
.cover-band img{width:100%;height:100%;max-height:380px;object-fit:cover;border-radius:0}

/* ---------- layout ---------- */
.page-main{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start}
.article-main{max-width:820px;min-width:0}

/* ---------- prose ---------- */
.prose{font-size:16px;line-height:1.85;color:var(--text)}
.prose>*+*{margin-top:1.2em}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.3;font-weight:600;
  color:var(--brand-900);margin:2.2em 0 .8em;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:1.05em;border-radius:2px;background:var(--brand-600);
}
.prose h3{font-size:1.125rem;line-height:1.4;font-weight:600;color:var(--brand-900);margin:1.6em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em;line-height:1.8}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--brand-500)}
.prose blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--bg);border-left:3px solid var(--accent-500);
  border-radius:0 12px 12px 0;color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{margin:1.8em auto;border-radius:12px;width:100%;height:auto}
.prose a{color:var(--brand-600);text-decoration:none;border-bottom:1px solid rgba(27,95,168,.3)}
.prose a:hover{border-bottom-color:var(--brand-600)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px}
.prose thead th{background:var(--brand-100);color:var(--brand-900);font-weight:600;text-align:left}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.prose tbody tr:hover{background:#FBFDFF}
.prose hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}
.prose code{background:var(--brand-100);color:var(--brand-700);padding:2px 6px;border-radius:6px;font-size:.92em}
.prose strong{color:var(--brand-900)}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;background:var(--brand-100);color:var(--brand-700);
  border-radius:999px;font-size:12px;font-weight:500;padding:4px 12px;transition:background .2s ease;
}
.tag:hover{background:#D6E7F8;color:var(--brand-700)}

/* ---------- sidebar ---------- */
.article-side{display:grid;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-weight:600;color:var(--brand-900);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent-500)}
.side-list{display:grid;gap:12px}
.side-list a{display:block;font-size:14px;color:var(--text-2);line-height:1.6;padding-left:14px;position:relative}
.side-list a::before{
  content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;
  background:#C7D2DE;transition:background .2s ease;
}
.side-list a:hover{color:var(--brand-600)}
.side-list a:hover::before{background:var(--accent-500)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:12px}

/* ---------- related ---------- */
.related{margin-top:64px;padding-top:44px;border-top:1px solid var(--border)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.related-head h2{font-size:clamp(1.2rem,1.9vw,1.5rem);font-weight:600;color:var(--brand-900)}
.related-head p{font-size:13.5px;color:var(--text-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rcard{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,border-color .2s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.rcard .rc-tag{font-size:12px;color:var(--brand-600);font-weight:600}
.rcard h3{font-size:15.5px;line-height:1.5;color:var(--brand-900);font-weight:600}
.rcard p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.rcard .rc-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand-600);margin-top:auto}
.rcard .rc-link svg{transition:transform .2s ease}
.rcard:hover .rc-link svg{transform:translateX(4px)}

/* ---------- buttons ---------- */
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;
  border:1.5px solid var(--brand-600);border-radius:var(--radius-btn);color:var(--brand-600);
  font-size:14.5px;font-weight:600;background:transparent;
  transition:background .2s ease,transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;
  background:var(--accent-500);color:#fff;border:0;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;
  transition:background .2s ease,transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease;
}
.btn-solid:hover{background:#f06a1c;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(255,122,47,.95)}
.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-start;margin-top:40px}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed #C7D2DE;border-radius:var(--radius-card);background:#fff;
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state svg{color:var(--brand-500);margin:0 auto 16px}
.empty-state h2{font-size:1.15rem;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}

/* ---------- cta band ---------- */
.cta-band{margin-top:0;background:var(--brand-900);color:#fff;border-radius:0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:48px 0}
.cta-inner h2{color:#fff;font-size:clamp(1.2rem,2vw,1.6rem);font-weight:600}
.cta-inner p{color:#B9CDE2;font-size:14.5px;margin-top:8px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
  background:#fff;color:var(--brand-900);font-weight:600;font-size:14.5px;border:0;transition:transform .2s ease,background .2s ease;
}
.btn-light:hover{background:#EEF5FC;color:var(--brand-900);transform:translateY(-1px)}
.btn-outline-light2{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
  border:1.5px solid rgba(255,255,255,.5);color:#fff;font-weight:600;font-size:14.5px;background:transparent;
  transition:background .2s ease,border-color .2s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:16px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand-600)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--border);padding:22px 0 28px;font-size:13px;color:var(--text-3);
}
.footer-brand h4{font-size:16px;color:var(--brand-900)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .article-main{max-width:100%}
  .article-side{position:static;grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991px){
  .wrap{padding:0 20px}
  .header-inner{height:60px;gap:16px}
  .menu-btn{display:inline-flex}
  .nav-cta{display:none}
  .nav-list{
    position:fixed;inset:0 0 0 auto;width:min(340px,86vw);height:100%;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:84px 24px 32px;margin:0;
    box-shadow:-18px 0 40px -22px rgba(18,54,92,.35);transform:translateX(102%);
    transition:transform .3s cubic-bezier(.2,.7,.3,1);z-index:60;overflow-y:auto;
  }
  body.menu-open .nav-list{transform:translateX(0)}
  .nav-link{font-size:17px;padding:16px 0;border-bottom:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-600)}
  .nav-cta--mobile{display:inline-flex;justify-content:center;margin-top:24px;padding:14px 22px;font-size:15px;border-radius:var(--radius-btn)}
  body.menu-open{overflow:hidden}
  .page-main{padding:40px 0 56px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .cta-inner{padding:40px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .head-body{padding:18px 0 30px}
  .cover-band img{max-height:230px}
  .related-grid,.article-side{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-col p{max-width:100%}
  .back-row .btn-ghost,.back-row .btn-solid{width:100%}
  .cta-actions{width:100%}
  .cta-actions a{width:100%;justify-content:center}
  .prose table{font-size:13.5px}
  .prose th,.prose td{padding:10px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2C4D;
  --brand-700:#134A80;
  --brand-600:#1B5FA8;
  --brand-500:#2E7CC7;
  --brand-100:#E6F0FA;
  --accent-500:#FF7A2F;
  --accent-100:#FFF0E6;
  --text:#16212E;
  --text-2:#5A6B7D;
  --text-3:#8A99A8;
  --line:#E3E9F1;
  --bg:#F7F9FC;
  --soft:#F2F7FD;
  --card:#FFFFFF;
  --ok:#18A05E;
  --warn:#D98A00;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --shadow-1:0 1px 2px rgba(18,54,92,.06);
  --shadow-2:0 12px 28px -12px rgba(18,54,92,.14);
  --sec-y:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-700);text-decoration:underline}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
h1{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;font-weight:700}
h2{font-size:clamp(1.35rem,2.1vw,1.85rem);font-weight:600}
h3{font-size:1.125rem;font-weight:600;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(18,54,92,.45)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none!important;color:var(--brand-700)}
.logo__mark{width:28px;height:28px;flex:0 0 28px;color:var(--brand-600)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:16px;font-weight:700;letter-spacing:.2px;color:var(--brand-900)}
.logo__sub{font-size:12px;font-weight:500;color:var(--brand-500);letter-spacing:2px}
.nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);
  border-radius:8px;text-decoration:none!important;transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:center;
  transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;min-height:40px;border-radius:999px;
  background:var(--accent-100);color:#C9521A;font-size:14px;font-weight:600;
  border:1px solid #FFD9C2;text-decoration:none!important;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:#FFE3D2;transform:translateY(-1px);color:#B8460F}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;color:var(--text-2);
  border:1px solid var(--line);background:#fff;text-decoration:none!important;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-100)}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;background:#fff;color:var(--text-2);
  border:1px solid var(--line);cursor:pointer;transition:color .2s var(--ease);
}
.menu-btn:hover{color:var(--brand-600)}

/* ---------- banner ---------- */
.page-banner{
  position:relative;padding:40px 0 44px;overflow:hidden;
  background:#EFF6FD url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  min-height:260px;display:flex;align-items:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 52%,rgba(255,255,255,.55) 100%);
}
.page-banner .wrap{position:relative;z-index:1;width:100%}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-600);text-decoration:none}
.crumb span.sep{color:#C6D2E0}
.crumb .current{color:var(--brand-600)}
.banner-h1{max-width:840px}
.banner-lead{max-width:720px;margin-top:16px;color:var(--text-2);font-size:16px}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;min-height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  text-decoration:none!important;border:1.5px solid transparent;
}
.btn-main{background:var(--accent-500);color:#fff!important;box-shadow:0 10px 22px -14px rgba(255,122,47,.9)}
.btn-main:hover{background:#F26A1E;transform:translateY(-1px);color:#fff!important}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600)!important}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700)!important}
.btn-text{background:transparent;padding:8px 0;min-height:auto;color:var(--brand-600)!important}
.btn-text:hover{color:var(--brand-700)!important;text-decoration:none}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:4px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;letter-spacing:.5px;
}
.section-head h2 + p{margin-top:14px;color:var(--text-2)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split__media{order:2}
.split__media img{width:100%;border-radius:var(--r-img);object-fit:cover;box-shadow:var(--shadow-2)}
.split__body h2{margin-bottom:14px}
.split__body p{color:var(--text-2)}

.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list .dot{
  flex:0 0 22px;width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
}
.check-list b{display:block;font-weight:600;color:var(--text)}
.check-list span{color:var(--text-2);font-size:15px}

/* ---------- steps ---------- */
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-100)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-600);font-weight:700;font-size:14px;margin-bottom:14px;
}
.step h3{margin-bottom:8px}
.step p{color:var(--text-2);font-size:15px}

/* ---------- table ---------- */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.plain{width:100%;border-collapse:collapse;min-width:640px}
table.plain th,table.plain td{
  padding:16px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.plain thead th{background:var(--brand-100);color:var(--brand-700);font-weight:600;font-size:14px;white-space:nowrap}
table.plain tbody tr:last-child th,table.plain tbody tr:last-child td{border-bottom:none}
table.plain tbody th{font-weight:600;color:var(--text);white-space:nowrap}
table.plain td{color:var(--text-2)}

/* ---------- tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tile{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 24px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.tile::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.tile:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-100)}
.tile:hover::before{transform:scaleX(1)}
.tile .ico{
  width:42px;height:42px;border-radius:12px;background:var(--brand-100);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.tile h3{margin-bottom:10px}
.tile p{color:var(--text-2);font-size:15px}

/* ---------- faq ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:8px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{flex:0 0 18px;color:var(--brand-600);transition:transform .25s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 0 20px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- cta ---------- */
.cta-block{
  background:var(--soft);border:1px solid var(--line);border-radius:20px;
  padding:52px 40px;text-align:center;max-width:1000px;margin:0 auto;
}
.cta-block h2{margin-bottom:14px}
.cta-block p{color:var(--text-2);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{margin-top:18px;font-size:13px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand-600);text-decoration:none}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;margin-top:12px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .split{gap:40px}
}
@media (max-width:991.98px){
  :root{--sec-y:72px}
  .header-inner{height:60px;gap:16px}
  .nav-list{
    position:fixed;top:60px;right:0;bottom:0;width:min(320px,86vw);z-index:70;
    background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:2px;padding:16px 20px 32px;overflow:auto;
    transform:translateX(101%);transition:transform .28s var(--ease);
    box-shadow:-14px 0 30px -22px rgba(18,54,92,.55);
  }
  body.nav-open .nav-list{transform:none}
  .nav-link{padding:15px 4px;font-size:17px;border-radius:0;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-600)}
  .menu-btn{display:inline-flex}
  .split{grid-template-columns:1fr;gap:28px}
  .split--rev .split__media{order:0}
  .steps-row{grid-template-columns:repeat(2,1fr)}
  .tiles{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-block{padding:40px 24px}
}
@media (max-width:767.98px){
  :root{--sec-y:56px}
  .wrap{padding:0 18px}
  .page-banner{padding:28px 0 32px;min-height:0}
  .banner-actions{gap:12px}
  .banner-actions .btn-main,.banner-actions .btn-ghost{width:100%}
  .steps-row{grid-template-columns:1fr}
  .faq{padding:4px 20px}
  .table-card table.plain{min-width:520px}
  table.plain th,table.plain td{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .nav-cta{display:none}
  h1{font-size:1.6rem}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B2C4D;
  --brand-700:#134A80;
  --brand-600:#1B5FA8;
  --brand-500:#2E7CC7;
  --brand-100:#E6F0FA;
  --accent-500:#FF7A2F;
  --accent-600:#EB671C;
  --accent-100:#FFF0E6;
  --text:#16212E;
  --text-2:#5A6B7D;
  --text-3:#8A99A8;
  --border:#E3E9F1;
  --bg:#F7F9FC;
  --soft:#F2F7FD;
  --card:#FFFFFF;
  --success:#18A05E;
  --warn:#D98A00;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(18,54,92,.06);
  --shadow-2:0 12px 28px -12px rgba(18,54,92,.14);
  --header-h:72px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-700)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:92px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -22px rgba(18,54,92,.55)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-900)}
.logo__mark{width:28px;height:28px;color:var(--brand-600);flex:0 0 auto}
.logo__text{display:flex;flex-direction:column;line-height:1.12}
.logo__main{font-size:15px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.logo__sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.16em}
.nav-list{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;
  color:var(--text-2);transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--brand-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-link:focus-visible,.logo:focus-visible,.icon-btn:focus-visible,.nav-cta:focus-visible,.menu-btn:focus-visible{
  outline:2px solid var(--brand-600);outline-offset:3px;border-radius:6px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-500);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;min-height:38px;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 6px 16px -10px rgba(255,122,47,.85);
}
.nav-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);color:var(--text-2);background:#fff;
  transition:.2s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-600);border-color:#CFE1F3}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--text);cursor:pointer;transition:.2s var(--ease);
}
.menu-btn:hover{background:var(--brand-100);color:var(--brand-600)}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--text-3);padding:18px 0 0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{margin:0 8px;color:#C3CEDA}
.crumb .current{color:var(--brand-600)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:44px 0 76px;
  background-image:linear-gradient(180deg,rgba(247,249,252,.90) 0%,rgba(247,249,252,.97) 62%,#F7F9FC 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero-inner{max-width:840px;margin:0 auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand-600);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;
}
.cat-hero h1{
  font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;font-weight:700;
  margin:22px 0 16px;color:var(--brand-900);
}
.cat-hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-lead{font-size:16px;color:var(--text-2);max-width:700px;margin:0 auto 26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.chip{
  font-size:13px;color:var(--brand-700);background:#fff;
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;
  box-shadow:var(--shadow-1);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s var(--ease);border:1.5px solid transparent;
}
.btn-main{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -14px rgba(255,122,47,.95)}
.btn-main:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-link{background:transparent;color:var(--brand-600);padding:12px 6px;border:none}
.btn-link:hover{color:var(--brand-700);gap:12px}
.btn-main:focus-visible,.btn-ghost:focus-visible,.btn-link:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section--white{background:#fff}
.section--soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.3;margin-bottom:12px}
.section-head .sub{font-size:15px;color:var(--text-2)}
.section-head .eyebrow{margin-bottom:14px}

/* ---------- two column layout ---------- */
.cat2-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}

/* ---------- timeline ---------- */
.step-list{list-style:none;margin:0;padding:0}
.step-item{position:relative;padding:0 0 38px 68px}
.step-item::before{
  content:"";position:absolute;left:21px;top:46px;bottom:4px;width:1px;
  background:linear-gradient(180deg,var(--border),rgba(227,233,241,.15));
}
.step-item:last-child{padding-bottom:0}
.step-item:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.step-item.is-key .step-num{background:var(--accent-100);color:var(--accent-600)}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body>p{font-size:15px;color:var(--text-2);margin-bottom:12px}
.step-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:4px 10px;margin-bottom:12px;
}
.tick-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.tick-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;
  border-radius:2px;background:var(--brand-500);
}

/* ---------- sticky rail ---------- */
.rail{position:sticky;top:96px}
.rail-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
}
.rail-card+.rail-card{margin-top:20px}
.rail-card h3{
  font-size:15px;margin-bottom:16px;padding-bottom:12px;
  border-bottom:1px solid var(--border);
}
.rail-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.rail-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.rail-list li svg{flex:0 0 auto;margin-top:4px;color:var(--brand-600)}
.rail-note{font-size:13px;color:var(--text-3);margin-top:14px;padding-top:14px;border-top:1px dashed var(--border)}
.rail-cta{display:inline-flex;width:100%;margin-top:16px}

/* ---------- scenario split ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center}
.split__media img{border-radius:var(--radius-img);width:100%;object-fit:cover}
.scene-list{list-style:none;padding:0;margin:0;display:grid;gap:22px}
.scene-list li{display:flex;gap:16px}
.scene-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.scene-list h3{font-size:16px;margin-bottom:6px}
.scene-list p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- compare table ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px}
.cmp-table th,.cmp-table td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;
}
.cmp-table thead th{
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.06em;border-bottom:1px solid #D3E3F4;
}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr{transition:background .18s var(--ease)}
.cmp-table tbody tr:hover{background:#FBFDFF}
.cmp-table td:first-child{color:var(--text);font-weight:600}
.cmp-table td{color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px}
.faq-icon{flex:0 0 auto;width:22px;height:22px;color:var(--brand-600);transition:transform .22s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:760px}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#EFF6FD 0%,#FFFFFF 62%);
  border:1px solid #DBE8F5;border-radius:20px;
  padding:52px 48px;display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:34px;align-items:center;
}
.cta-band h2{font-size:clamp(1.3rem,2vw,1.7rem);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--brand-900)}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-600)}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:330px;margin-top:12px}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat2-layout{grid-template-columns:minmax(0,1fr) 290px;gap:40px}
}
@media (max-width:991px){
  .header-inner{height:60px;gap:16px}
  .menu-btn{display:inline-flex}
  .nav-list{
    position:fixed;top:60px;left:0;right:0;z-index:999;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-2);
    padding:8px 24px 22px;
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .site-header.nav-open .nav-list{transform:none;opacity:1;visibility:visible}
  .nav-link{padding:15px 0;font-size:17px;border-bottom:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-600)}
  .nav-link.active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
    background:var(--accent-500);margin-right:10px;vertical-align:middle;
  }
  .header-actions .icon-btn{display:none}
  .cat2-layout{grid-template-columns:1fr;gap:40px}
  .rail{position:static;top:auto}
  .split{grid-template-columns:1fr;gap:32px}
  .section{padding:72px 0}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .cat-hero{padding:32px 0 56px}
  .hero-lead{font-size:15px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .step-item{padding:0 0 32px 56px}
  .step-item::before{left:17px;top:40px}
  .step-num{width:36px;height:36px;font-size:13px}
  .step-body h3{font-size:17px}
  .cmp-table th,.cmp-table td{padding:13px 14px;font-size:14px}
  .table-wrap{overflow-x:auto}
  .cmp-table{min-width:520px}
  .cta-band{padding:32px 22px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B2C4D;
  --brand-700:#134A80;
  --brand-600:#1B5FA8;
  --brand-500:#2E7CC7;
  --brand-100:#E6F0FA;
  --accent-500:#FF7A2F;
  --accent-600:#F26A18;
  --accent-100:#FFF0E6;
  --ink-900:#16212E;
  --ink-600:#5A6B7D;
  --ink-400:#8A99A8;
  --line:#E3E9F1;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --ok:#18A05E;
  --warn:#D98A00;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,54,92,.06);
  --shadow-2:0 12px 28px -12px rgba(18,54,92,.14);
  --sec-y:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink-900);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;}
h1{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;font-weight:700;}
h2{font-size:clamp(1.35rem,2.1vw,1.85rem);line-height:1.3;font-weight:600;}
h3{font-size:1.125rem;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--brand-900);flex:0 0 auto;}
.logo__mark{width:28px;height:28px;color:var(--brand-600);flex:0 0 auto;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__main{font-size:16px;font-weight:700;letter-spacing:.01em;}
.logo__sub{font-size:12px;font-weight:500;color:var(--ink-400);letter-spacing:.16em;}
.nav-list{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-900);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-100);color:var(--accent-600);
  border:1px solid #FFDCC5;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;padding:8px 16px;min-height:38px;
  transition:all .2s var(--ease);
}
.nav-cta:hover{background:var(--accent-500);color:#fff;border-color:var(--accent-500);transform:translateY(-1px);}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:var(--r-pill);color:var(--ink-600);border:1px solid transparent;transition:all .2s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700);}
.menu-btn{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink-900);cursor:pointer;
}
.menu-btn:hover{border-color:var(--brand-100);color:var(--brand-700);}

/* ---------- mobile nav ---------- */
.mobile-panel{
  display:none;background:#fff;border-bottom:1px solid var(--line);
}
.mobile-panel.is-open{display:block;}
.mobile-panel .wrap{padding-top:12px;padding-bottom:20px;}
.mobile-panel a{
  display:block;font-size:17px;font-weight:500;color:var(--ink-900);padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.mobile-panel a.active{color:var(--brand-600);font-weight:600;}
.mobile-panel .mobile-cta{
  display:inline-flex;margin-top:18px;background:var(--accent-500);color:#fff;
  border-radius:var(--r-btn);padding:13px 22px;font-weight:600;border-bottom:none;
}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--ink-400);padding:18px 0 0;}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{margin:0 8px;color:#CBD5E1;}
.crumb .now{color:var(--brand-600);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;background-color:#0F3A63;
  background-image:linear-gradient(115deg,rgba(11,44,77,.94) 0%,rgba(19,74,128,.86) 48%,rgba(46,124,199,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero .wrap{padding-top:52px;padding-bottom:64px;}
.page-hero h1{color:#fff;max-width:840px;}
.page-hero .lede{color:rgba(255,255,255,.86);font-size:17px;max-width:720px;margin:18px 0 0;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;
  border-top:1px solid rgba(255,255,255,.2);padding-top:22px;
}
.hero-strip div{font-size:14px;color:rgba(255,255,255,.82);}
.hero-strip strong{display:block;color:#fff;font-size:18px;font-weight:600;margin-bottom:2px;}

/* ---------- section ---------- */
.section{padding:var(--sec-y) 0;}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head .kicker{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.18em;
  color:var(--brand-600);background:var(--brand-100);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;
}
.sec-head p{color:var(--ink-600);margin:12px 0 0;}

/* ---------- entry cards (uneven 2 col) ---------- */
.entry-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:24px;}
.entry-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.entry-card:hover::before{transform:scaleX(1);}
.entry-card__body{padding:24px;}
.entry-card__cover{aspect-ratio:16/10;overflow:hidden;background:rgba(27,95,168,.06);}
.entry-card__cover img{width:100%;height:100%;object-fit:cover;}
.entry-card h3{margin-bottom:10px;}
.entry-card p{color:var(--ink-600);font-size:15px;margin-bottom:16px;}
.entry-card.wide{grid-row:span 1;}
.entry-list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--ink-600);line-height:1.9;
}
.entry-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.badge-soft{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:var(--r-pill);padding:4px 10px;margin-bottom:14px;
}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.card-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);
}
.card-link svg{transition:transform .2s var(--ease);}
.card-link:hover svg{transform:translateX(4px);}

/* ---------- table ---------- */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-shell table{width:100%;border-collapse:collapse;}
.table-shell th,.table-shell td{
  padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;
}
.table-shell thead th{
  background:var(--brand-100);color:var(--brand-700);font-weight:600;font-size:14px;letter-spacing:.02em;
}
.table-shell tbody tr:last-child td{border-bottom:none;}
.table-shell tbody tr:hover{background:#FBFDFF;}
.table-shell td strong{color:var(--ink-900);}
.tag-ok{color:var(--ok);font-weight:600;}
.tag-warn{color:var(--warn);font-weight:600;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--brand-600);color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-600);margin:0;}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer;
}
.faq-q:hover{color:var(--brand-600);}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--accent-100);color:var(--accent-600);}
.faq-a{display:none;padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-600);max-width:860px;}
.faq-item.open .faq-a{display:block;}

/* ---------- cta banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--accent-500) 0%,var(--accent-600) 100%);
  border-radius:20px;padding:48px;color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;box-shadow:0 18px 40px -20px rgba(242,106,24,.55);
}
.cta-banner h2{color:#fff;max-width:620px;}
.cta-banner p{color:rgba(255,255,255,.92);margin:12px 0 0;font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--accent-600);border:1px solid #fff;border-radius:var(--r-btn);
  padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;
  transition:all .2s var(--ease);
}
.btn-main:hover{background:var(--brand-900);color:#fff;border-color:var(--brand-900);transform:translateY(-1px);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);border-radius:var(--r-btn);
  padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;transition:all .2s var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;border:1px solid var(--accent-500);border-radius:var(--r-btn);
  padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;transition:all .2s var(--ease);
}
.btn-primary-solid:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600);border-radius:var(--r-btn);
  padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;transition:all .2s var(--ease);
}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-700);}

/* ---------- note / checklist ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.checklist li{
  position:relative;padding:14px 0 14px 26px;font-size:15px;color:var(--ink-600);border-bottom:1px solid var(--line);
}
.checklist li::before{
  content:"";position:absolute;left:0;top:22px;width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
}
.checklist li strong{color:var(--ink-900);font-weight:600;}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1);
}
.panel h3{margin-bottom:12px;}
.panel p{font-size:15px;color:var(--ink-600);}
.panel .meta{font-size:13px;color:var(--ink-400);margin-top:16px;}
.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.chip{
  display:inline-block;font-size:13px;color:var(--brand-600);background:var(--brand-100);
  border-radius:var(--r-pill);padding:6px 14px;transition:all .2s var(--ease);
}
.chip:hover{background:var(--brand-600);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand h4{font-size:16px;font-weight:700;color:var(--brand-900);margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--ink-600);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-600);}
.footer-col a:hover{color:var(--brand-600);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:44px;padding-top:22px;font-size:13px;color:var(--ink-400);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sec-y:72px;}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .nav-list,.header-actions .nav-cta,.header-actions .icon-btn{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{height:60px;}
  .hero-strip{grid-template-columns:1fr;gap:14px;}
  .entry-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  .wrap{padding:0 16px;}
  .page-hero .wrap{padding-top:36px;padding-bottom:48px;}
  .cta-banner{padding:32px 24px;border-radius:16px;}
  .btn-main,.btn-ghost-light,.btn-primary-solid,.btn-outline-brand{width:100%;}
  .cta-actions{width:100%;}
  .table-shell th,.table-shell td{padding:14px 14px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}