/* roulang page: index */
:root{
  --brand-700:#24566E;
  --brand-900:#16323F;
  --brand-500:#3B7E9B;
  --brand-100:#E3EDF2;
  --brand-50:#F4F8FA;
  --accent:#C08A3E;
  --accent-soft:#F3E7D3;
  --bg:#FBFCFD;
  --ink:#16242B;
  --ink-2:#465A64;
  --ink-3:#7B8F99;
  --line:#E2E9ED;
  --success:#2F7D5B;
  --warn:#B4762A;
  --error:#B4423A;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(22,50,63,.06),0 14px 30px -18px rgba(22,50,63,.28);
  --shadow-hover:0 2px 4px rgba(22,50,63,.08),0 22px 40px -20px rgba(22,50,63,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-50);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;font-size:13px;color:var(--ink-2);line-height:1.6;padding-top:6px;padding-bottom:6px}
.topbar-links{display:none;gap:20px;flex-shrink:0}
.topbar-links a{transition:color .18s ease}
.topbar-links a:hover{color:var(--brand-700)}
@media (min-width:768px){.topbar-links{display:flex}}

/* ============ 品牌行 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(22,50,63,.55)}
.brandbar-inner{display:flex;align-items:center;gap:16px;height:64px}
@media (min-width:1024px){.brandbar-inner{height:80px;gap:28px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-700);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;letter-spacing:0;flex-shrink:0}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.logo-text .short{display:inline}
.logo-text .full{display:none}
@media (min-width:1024px){
  .logo-mark{width:38px;height:38px;font-size:18px}
  .logo-text{font-size:18px}
  .logo-text .short{display:none}
  .logo-text .full{display:inline}
}
.search-box{display:none}
@media (min-width:1024px){
  .search-box{
    flex:1;max-width:400px;height:40px;background:var(--brand-50);
    border:1px solid transparent;border-radius:999px;
    align-items:center;gap:8px;padding:0 18px;transition:all .18s ease;
  }
  .search-box{display:flex}
  .search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.14)}
  .search-box input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--ink);line-height:1.4}
  .search-box input::placeholder{color:var(--ink-3)}
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-actions .btn{height:40px;padding:0 16px;font-size:14px}
.header-actions .btn-ghost{display:none}
@media (min-width:768px){.header-actions .btn-ghost{display:inline-flex}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:0 12px 22px -14px rgba(22,50,63,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost,.btn-secondary{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover,.btn-secondary:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700)}
.btn-ghost:active,.btn-secondary:active{transform:translateY(0);background:var(--brand-100)}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);transition:color .18s ease}
.link-arrow .ar{transition:transform .18s ease;display:inline-block}
.link-arrow:hover{color:var(--brand-900)}
.link-arrow:hover .ar{transform:translateX(3px)}
.link-arrow:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}

/* ============ 频道行 ============ */
.chanbar{border-top:1px solid var(--line);background:#fff}
.chan-inner{display:none;align-items:center;gap:34px;height:48px;overflow-x:auto;scrollbar-width:none}
.chan-inner::-webkit-scrollbar{display:none}
@media (min-width:900px){.chan-inner{display:flex}}
.chan-link{
  position:relative;display:inline-flex;align-items:center;height:48px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .18s ease;
}
.chan-link:hover{color:var(--brand-500)}
.chan-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:4px;border-radius:4px}
.chan-link.active{color:var(--brand-700);font-weight:600}
.chan-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}

/* 移动端抽屉 */
.menu-toggle{
  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(--brand-700);cursor:pointer;flex-shrink:0;transition:all .18s ease;
}
.menu-toggle:hover{background:var(--brand-50);border-color:var(--brand-500)}
.menu-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
@media (min-width:900px){.menu-toggle{display:none}}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px}
.mobile-drawer.is-open{display:block}
@media (min-width:900px){.mobile-drawer{display:none!important}}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-link{
  display:block;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;color:var(--ink-2);background:var(--brand-50);transition:all .18s ease;
}
.drawer-link:hover{border-color:var(--brand-500);color:var(--brand-700);background:#fff}
.drawer-link.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600}
.drawer-actions{display:flex;gap:10px;margin-top:14px}
.drawer-actions .btn{flex:1;height:42px;font-size:14px}

/* ============ 通用 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-700);line-height:1;white-space:nowrap}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
@media (min-width:768px){.section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}}
.section-title{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
.section-desc{font-size:15px;color:var(--ink-3);line-height:1.8;margin-top:10px;max-width:38em}
.tag-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.06em}
.tag-label::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ============ Hero ============ */
.hero{padding:44px 0 56px;background:linear-gradient(180deg,var(--brand-50) 0%,rgba(244,248,250,0) 100%)}
@media (min-width:1024px){.hero{padding:64px 0 88px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:56px}}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:700;line-height:1.15;letter-spacing:-.02em;
  color:var(--ink);margin-top:18px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-2);margin-top:20px;max-width:34em}
@media (min-width:1024px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats .num{display:block;font-size:22px;font-weight:600;color:var(--brand-700);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats .lbl{display:block;font-size:12px;color:var(--ink-3);margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.float-card{
  position:absolute;right:14px;bottom:14px;background:#fff;border-radius:12px;
  box-shadow:var(--shadow-hover);padding:11px 15px;display:flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;color:var(--ink);line-height:1.4;max-width:calc(100% - 28px);
}
.float-card svg{flex-shrink:0;color:var(--brand-500)}
@media (min-width:1024px){.float-card{right:20px;bottom:20px;font-size:14px;padding:14px 18px}}

/* ============ 主张条 ============ */
.claims{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}
@media (min-width:768px){.claims{padding:44px 0}}
.claims-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:640px){.claims-grid{grid-template-columns:1fr 1fr;gap:28px 24px}}
@media (min-width:1024px){
  .claims-grid{grid-template-columns:repeat(4,1fr);gap:0}
  .claim{padding:0 28px;border-left:1px solid var(--line)}
  .claim:first-child{border-left:0;padding-left:0}
  .claim:last-child{padding-right:0}
}
.claim-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.claim h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;margin-top:8px}
.claim p{font-size:13px;color:var(--ink-3);line-height:1.75;margin-top:6px}

/* ============ 品牌故事 ============ */
.story{padding:56px 0}
@media (min-width:768px){.story{padding:72px 0}}
@media (min-width:1024px){.story{padding:96px 0}}
.story-row{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.story-row{grid-template-columns:1fr 1fr;gap:64px}}
.story-row + .story-row{margin-top:56px}
@media (min-width:1024px){.story-row + .story-row{margin-top:80px}}
.story-row.reverse .story-media{order:-1}
@media (min-width:1024px){.story-row.reverse .story-media{order:-1}}
.story-text h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.35;color:var(--ink);margin-top:14px;letter-spacing:-.01em}
.story-text p{font-size:16px;line-height:1.85;color:var(--ink-2);margin-top:16px;max-width:42em}
.story-text .link-arrow{margin-top:22px}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}

/* ============ 精选内容 ============ */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.bento{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.bento{grid-template-columns:repeat(12,1fr);gap:24px}}
.pick-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pick-card:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.pick-card:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.pick-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--brand-50)}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pick-card:hover .pick-thumb img{transform:scale(1.03)}
.pick-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pick-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--ink)}
.pick-body p{font-size:14px;line-height:1.75;color:var(--ink-3);flex:1}
.pick-body .link-arrow{font-size:14px}
@media (min-width:1024px){
  .pick-card.wide{flex-direction:row}
  .pick-card.wide .pick-thumb{width:46%;flex-shrink:0;aspect-ratio:auto}
  .pick-card.wide .pick-body{padding:32px;justify-content:center}
  .pick-card.wide .pick-body h3{font-size:23px}
}

/* ============ 最新信息 ============ */
.news{background:var(--brand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;height:100%;
}
.news-card:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-body h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);min-height:2.9em}
.news-body h3 a{transition:color .18s ease}
.news-body h3 a:hover{color:var(--brand-700)}
.news-body p{font-size:14px;line-height:1.75;color:var(--ink-3);flex:1}
.news-foot{margin-top:4px;display:flex;align-items:center;justify-content:space-between}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .es-title{font-size:16px;font-weight:600;color:var(--ink);margin-top:16px}
.empty-state .es-desc{font-size:14px;color:var(--ink-3);margin-top:6px}

/* ============ 信任背书 ============ */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px;padding-bottom:40px;border-bottom:1px solid var(--line)}
@media (min-width:1024px){
  .trust-grid{grid-template-columns:repeat(4,1fr);gap:0;padding-bottom:44px}
  .trust-item{padding:0 28px;border-left:1px solid var(--line)}
  .trust-item:first-child{border-left:0;padding-left:0}
  .trust-item:last-child{padding-right:0}
}
.trust-num{font-size:32px;font-weight:600;color:var(--brand-900);line-height:1.1;font-variant-numeric:tabular-nums}
.trust-num .unit{font-size:15px;font-weight:600;color:var(--brand-500);margin-left:4px}
.trust-item .tl{font-size:14px;font-weight:600;color:var(--ink);margin-top:8px}
.trust-item .td{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:4px}
.trust-tags{display:flex;flex-wrap:wrap;gap:10px 12px;padding-top:28px;align-items:center}
.trust-tags .tt-title{font-size:13px;color:var(--ink-3);margin-right:6px}
.trust-tags .tt{
  font-size:13px;color:var(--ink-3);border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;background:#fff;opacity:.65;transition:all .18s ease;
}
.trust-tags .tt:hover{opacity:1;border-color:var(--brand-500);color:var(--brand-700)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:22px 0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s ease;
}
@media (min-width:768px){.faq-q{font-size:17px}}
.faq-q:hover{color:var(--brand-700)}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:transform .22s ease,background .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.is-open .faq-a{max-height:520px}
.faq-a-inner{
  padding:0 0 24px 0;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:3px solid var(--brand-100);padding-left:16px;margin-left:2px;max-width:60em;
}

/* ============ CTA ============ */
.cta-band{background:var(--brand-50);border-radius:var(--radius-lg);padding:36px 24px}
@media (min-width:768px){.cta-band{padding:48px 40px}}
@media (min-width:1024px){.cta-band{padding:56px}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;gap:56px}}
.cta-inner h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.35;color:var(--ink);letter-spacing:-.01em}
.cta-inner .cta-desc{font-size:15px;line-height:1.85;color:var(--ink-2);margin-top:14px;max-width:34em}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){.subscribe-form{flex-direction:row}}
.subscribe-form input{
  flex:1;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--ink);outline:none;transition:all .18s ease;
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.14)}
.subscribe-form .btn{height:46px;flex-shrink:0}
@media (max-width:639px){.subscribe-form .btn{width:100%}}
.form-tip{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:10px}
.form-tip .ok{color:var(--success);font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 36px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;padding:64px 0 44px}}
.footer-logo{display:inline-flex;align-items:center;gap:10px}
.footer-logo .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-logo .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;color:rgba(255,255,255,.68);max-width:30em}
.footer-contact{margin-top:18px;font-size:13px;line-height:2;color:rgba(255,255,255,.62)}
.footer-col .footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-list a:focus-visible{outline:2px solid rgba(255,255,255,.7);outline-offset:3px;border-radius:4px}
.footer-list .plain{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;display:flex;flex-direction:column;gap:10px;font-size:13px;color:rgba(255,255,255,.55)}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .18s ease}
.footer-bottom a:hover{color:#fff}

/* 通用焦点 */
a:focus-visible,button:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* roulang page: article */
:root{
  --brand-700:#24566E;
  --brand-900:#16323F;
  --brand-500:#3B7E9B;
  --brand-100:#E3EDF2;
  --brand-50:#F4F8FA;
  --accent:#C08A3E;
  --accent-soft:#F3E7D3;
  --bg:#FBFCFD;
  --surface:#FFFFFF;
  --ink:#16242B;
  --ink-2:#465A64;
  --ink-3:#7B8F99;
  --line:#E2E9ED;
  --ok:#2F7D5B;
  --warn:#B4762A;
  --err:#B4423A;
  --r-card:14px;
  --r-lg:20px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(22,50,63,.06), 0 14px 30px -18px rgba(22,50,63,.28);
  --shadow-hover:0 2px 4px rgba(22,50,63,.08), 0 22px 40px -20px rgba(22,50,63,.34);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{line-height:1.6;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
@media (min-width:1280px){ .container{padding-left:48px;padding-right:48px;} }

/* ---------- 顶部信息条 ---------- */
.topline{background:var(--brand-50);border-bottom:1px solid var(--line);}
.topline-inner{
  display:flex;align-items:center;justify-content:flex-end;gap:22px;
  min-height:36px;font-size:13px;color:var(--ink-2);
}
.topline-inner span{display:inline-flex;align-items:center;gap:6px;}
.topline-inner a{color:var(--ink-2);transition:color .18s ease;}
.topline-inner a:hover{color:var(--brand-700);}
.topline-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}

/* ---------- 品牌行 ---------- */
.brandbar{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.brandbar.scrolled{box-shadow:0 6px 20px -14px rgba(22,50,63,.45);}
.brand-inner{
  display:flex;align-items:center;gap:20px;
  min-height:80px;
}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.logo-sub{display:block;font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:.06em;}
.brand-search{
  flex:1 1 auto;max-width:420px;position:relative;display:none;
}
@media (min-width:1024px){ .brand-search{display:block;} }
.brand-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid transparent;
  background:var(--brand-50);padding:0 18px 0 42px;color:var(--ink);
  transition:border-color .18s ease, background .18s ease;
}
.brand-search input::placeholder{color:var(--ink-3);}
.brand-search input:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(59,126,155,.14);
}
.brand-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--ink-3);}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);cursor:pointer;transition:all .18s ease;
}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--brand-50);}
@media (min-width:768px){ .menu-toggle{display:none;} }

/* ---------- 按钮 ---------- */
.btn{
  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;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-card);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-secondary:hover{border-color:var(--brand-500);background:var(--brand-50);}
.btn-secondary:active{background:var(--brand-100);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-ghost{display:none;}
@media (min-width:640px){ .btn-ghost{display:inline-flex;} }
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:15px;
  transition:color .18s ease;
}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand-900);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 频道行 ---------- */
.chanbar{border-bottom:1px solid var(--line);background:#fff;position:relative;}
.chan-inner{
  display:flex;align-items:center;gap:6px;
  min-height:52px;overflow-x:auto;scrollbar-width:none;
}
.chan-inner::-webkit-scrollbar{display:none;}
.chan-link{
  position:relative;display:inline-flex;align-items:center;
  height:52px;padding:0 16px;font-size:15px;color:var(--ink-2);
  white-space:nowrap;transition:color .18s ease;
}
.chan-link:hover{color:var(--brand-500);}
.chan-link.active{color:var(--brand-700);font-weight:600;}
.chan-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;
}
@media (max-width:767px){
  .chanbar .chan-inner{display:none;}
  .chanbar.open .chan-inner{
    display:grid;grid-template-columns:1fr 1fr;gap:8px;
    padding:14px 0 18px;overflow:visible;
  }
  .chanbar.open .chan-link{
    height:44px;padding:0 14px;border-radius:10px;background:var(--brand-50);
    border:1px solid var(--line);font-size:14px;justify-content:flex-start;
  }
  .chanbar.open .chan-link.active{background:var(--brand-100);border-color:var(--brand-500);}
  .chanbar.open .chan-link.active::after{display:none;}
}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
.crumb-list a{color:var(--ink-3);transition:color .18s ease;}
.crumb-list a:hover{color:var(--brand-700);}
.crumb-sep{color:#C3D0D7;}
.crumb-current{color:var(--ink-2);max-width:62vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 0;}
.article-head-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 26px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){ .article-head-box{padding:44px 44px 36px;} }
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.01em;
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.article-title{
  margin-top:16px;
  font-size:clamp(26px,3vw,38px);
  line-height:1.3;font-weight:700;letter-spacing:-.02em;color:var(--ink);
  max-width:22em;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3D0D7;}
.head-divider{margin-top:22px;height:1px;background:var(--line);}

/* ---------- 主体两栏 ---------- */
.article-main{padding:38px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start;}
}
.article-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){ .article-panel{padding:40px 44px;} }

/* 正文排版 */
.article-body{max-width:720px;font-size:17px;line-height:1.9;color:var(--ink-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;padding-left:16px;
  margin:2.2em 0 .8em;font-size:clamp(20px,2vw,26px);font-weight:700;
  line-height:1.4;color:var(--ink);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--accent);
}
.article-body h3{
  margin:1.8em 0 .6em;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink);
}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.2em;}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  border-radius:50%;background:var(--brand-500);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.6em;padding-left:4px;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--brand-50);
  border-left:3px solid var(--brand-500);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--shadow-card);}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease;}
.article-body a:hover{color:var(--brand-900);}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;margin:1.6em 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--brand-50);color:var(--ink);font-weight:600;white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:#FAFCFD;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{
  background:var(--brand-50);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:.92em;color:var(--brand-900);
}

/* 文章底部 */
.article-foot{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;background:var(--brand-100);color:var(--brand-700);
  font-size:13px;transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand-500);color:#fff;}
.back-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;
  color:var(--brand-700);font-weight:600;transition:color .18s ease;
}
.text-link svg{transition:transform .18s ease;}
.text-link:hover{color:var(--brand-900);}
.text-link:hover svg{transform:translateX(-3px);}
.text-link.forward:hover svg{transform:translateX(3px);}

/* 空态 */
.empty-state{
  max-width:560px;margin:8px auto;padding:34px 20px;text-align:center;
}
.empty-state svg{color:var(--brand-500);opacity:.6;margin:0 auto 18px;}
.empty-title{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.empty-desc{font-size:15px;color:var(--ink-3);line-height:1.8;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){ .side-col{position:sticky;top:104px;} }
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px;
}
.side-title::before{
  content:"";width:3px;height:15px;border-radius:2px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list li a{
  display:block;padding:8px 12px;border-left:3px solid transparent;
  border-radius:0 8px 8px 0;font-size:14px;color:var(--ink-2);
  line-height:1.6;transition:all .18s ease;
}
.toc-list li a:hover{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-500);}
.toc-empty{font-size:13px;color:var(--ink-3);line-height:1.8;}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:all .18s ease;
}
.side-nav a:hover{background:var(--brand-50);color:var(--brand-700);transform:translateX(2px);}
.side-nav svg{color:var(--ink-3);flex:0 0 auto;}
.side-nav a:hover svg{color:var(--brand-500);}
.side-cta{background:var(--brand-50);border-color:var(--brand-100);}
.side-cta p{font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}

/* ---------- 延伸阅读 ---------- */
.section{padding:64px 0 0;}
@media (min-width:768px){ .section{padding-top:80px;} }
.section-head{margin-bottom:28px;}
.section-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;
  color:var(--accent);font-weight:600;margin-bottom:10px;
}
.section-title{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.32;
  color:var(--ink);letter-spacing:-.01em;
}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:52em;}
.card-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;} }
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-hover);}
.post-thumb{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;
  background:var(--brand-50);margin-bottom:16px;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-card h3{margin-top:12px;font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);}
.post-card p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-3);}
.post-card .card-foot{margin-top:auto;padding-top:16px;}
.post-card .link-arrow{font-size:14px;}

/* ---------- 订阅 CTA ---------- */
.cta-wrap{padding:64px 0 0;}
@media (min-width:768px){ .cta-wrap{padding-top:88px;} }
.cta-box{
  background:var(--brand-50);border:1px solid var(--brand-100);
  border-radius:var(--r-lg);padding:34px 24px;
  display:grid;grid-template-columns:minmax(0,1fr);gap:26px;
}
@media (min-width:900px){
  .cta-box{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;padding:52px 56px;gap:48px;}
}
.cta-box h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--ink);line-height:1.34;}
.cta-box p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.cta-form{display:flex;flex-direction:column;gap:10px;}
@media (min-width:560px){ .cta-form{flex-direction:row;} }
.cta-form input{
  flex:1 1 auto;height:48px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;padding:0 16px;color:var(--ink);transition:all .18s ease;
}
.cta-form input::placeholder{color:var(--ink-3);}
.cta-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.16);}
@media (max-width:559px){ .cta-form .btn{width:100%;} }
.cta-note{font-size:12px;color:var(--ink-3);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--brand-900);color:rgba(255,255,255,.8);}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1fr);gap:34px;
  padding:56px 0 40px;
}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 46px;} }
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-mark{background:rgba(255,255,255,.14);}
.footer-logo .logo-text{color:#fff;font-size:18px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:26em;}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.62);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-list a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-list .plain{color:rgba(255,255,255,.55);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.58);
}

/* roulang page: category1 */
:root{
    --brand-700:#24566E;
    --brand-900:#16323F;
    --brand-500:#3B7E9B;
    --brand-100:#E3EDF2;
    --brand-50:#F4F8FA;
    --accent:#C08A3E;
    --accent-soft:#F3E7D3;
    --bg:#FBFCFD;
    --card:#FFFFFF;
    --ink:#16242B;
    --ink-2:#465A64;
    --ink-3:#7B8F99;
    --line:#E2E9ED;
    --ok:#2F7D5B;
    --warn:#B4762A;
    --err:#B4423A;
    --r-card:14px;
    --r-lg:20px;
    --r-img:12px;
    --r-btn:10px;
    --shadow-card:0 1px 2px rgba(22,50,63,.06),0 14px 30px -18px rgba(22,50,63,.28);
    --shadow-hover:0 2px 4px rgba(22,50,63,.08),0 22px 40px -20px rgba(22,50,63,.34);
    --space-section:88px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
  a:hover{color:var(--brand-500)}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  p{margin:0}
  h1,h2,h3{color:var(--ink);margin:0;font-weight:700}
  input{font:inherit}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media(min-width:768px){.container{padding:0 32px}}
  @media(min-width:1280px){.container{padding:0 48px}}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 18px -14px rgba(22,50,63,.45)}
  .topbar{display:none;height:36px;background:var(--brand-50);border-bottom:1px solid var(--line)}
  @media(min-width:768px){.topbar{display:block}}
  .topbar-inner{height:36px;display:flex;align-items:center;justify-content:flex-end;gap:22px;font-size:13px;color:var(--ink-2)}
  .topbar-inner a{color:var(--ink-2);font-size:13px}
  .topbar-inner a:hover{color:var(--brand-700)}

  .brandbar{background:#fff}
  .brand-inner{display:flex;align-items:center;gap:16px;min-height:80px;flex-wrap:wrap}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;
    background:var(--brand-700);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:700;letter-spacing:0;
    box-shadow:0 6px 14px -8px rgba(22,50,63,.7);
  }
  .logo-text{font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;white-space:nowrap}
  @media(max-width:1023px){.logo-text .logo-full{display:none}}
  @media(min-width:1024px){.logo-text .logo-short{display:none}}
  .search-box{flex:1 1 240px;display:none;min-width:180px}
  @media(min-width:768px){.search-box{display:block}}
  .search-box input{
    width:100%;height:42px;border:1px solid transparent;background:var(--brand-50);
    border-radius:999px;padding:0 18px;color:var(--ink);font-size:14px;
    transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .search-box input::placeholder{color:var(--ink-3)}
  .search-box input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.14)}
  .brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .brand-actions .btn-ghost{display:none}
  @media(min-width:768px){.brand-actions .btn-ghost{display:inline-flex}}

  .btn{
    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;white-space:nowrap;
    transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 10px 22px -16px rgba(22,50,63,.9)}
  .btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-card)}
  .btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-900)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}

  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;border:1px solid var(--line);color:var(--brand-700);
  }
  @media(min-width:768px){.nav-toggle{display:none}}
  .nav-toggle svg{width:20px;height:20px}

  .chanbar{border-top:1px solid var(--line);background:#fff;display:none}
  @media(min-width:768px){.chanbar{display:block}}
  .chan-inner{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
  .chan-inner::-webkit-scrollbar{display:none}
  .chan-link{
    position:relative;height:48px;display:inline-flex;align-items:center;
    font-size:15px;color:var(--ink-2);white-space:nowrap;font-weight:500;
  }
  .chan-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent;
    transition:background .18s ease;
  }
  .chan-link:hover{color:var(--brand-500)}
  .chan-link.active{color:var(--brand-700);font-weight:600}
  .chan-link.active::after{background:var(--accent)}

  /* mobile drawer */
  .drawer{
    position:fixed;inset:0;z-index:80;display:none;
    background:rgba(22,50,63,.42);
  }
  .drawer.open{display:block}
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
    background:#fff;padding:22px;display:flex;flex-direction:column;gap:18px;
    box-shadow:-18px 0 40px -24px rgba(22,50,63,.5);overflow-y:auto;
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-title{font-size:16px;font-weight:700;color:var(--brand-900)}
  .drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700)}
  .drawer-tags{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .drawer-tags a{
    display:block;padding:12px 10px;border-radius:12px;background:var(--brand-50);
    color:var(--brand-700);font-size:14px;text-align:center;border:1px solid transparent;
  }
  .drawer-tags a.active{background:var(--brand-100);border-color:var(--brand-500);font-weight:600}
  .drawer-tags a:hover{background:var(--brand-100)}

  /* ---------- page head ---------- */
  .page-head{
    position:relative;overflow:hidden;border-bottom:1px solid var(--line);
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .page-head::before{content:"";position:absolute;inset:0;background:rgba(251,252,253,.9)}
  .page-head-inner{position:relative;z-index:1;padding-top:26px;padding-bottom:34px}
  @media(min-width:768px){.page-head-inner{padding-top:34px;padding-bottom:44px}}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);flex-wrap:wrap}
  .breadcrumb a{color:var(--ink-3)}
  .breadcrumb a:hover{color:var(--brand-700)}
  .breadcrumb .sep{color:var(--ink-3);opacity:.7}
  .breadcrumb .current{color:var(--ink-2)}

  .page-title{
    margin-top:18px;
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.18;letter-spacing:-.02em;font-weight:700;color:var(--brand-900);
  }
  .page-title .title-dot{color:var(--accent);padding:0 6px;font-weight:700}
  .page-lead{margin-top:14px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:44em}
  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .pill{
    display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:999px;
    background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;
  }
  .pill-accent{background:var(--accent-soft);color:var(--accent)}

  /* ---------- layout ---------- */
  .section{padding-top:48px;padding-bottom:48px}
  @media(min-width:768px){.section{padding-top:64px;padding-bottom:64px}}
  @media(min-width:1280px){.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}}

  .layout{display:grid;grid-template-columns:1fr;gap:32px}
  @media(min-width:1024px){.layout{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}

  .toc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card)}
  @media(min-width:1024px){.toc{position:sticky;top:120px}}
  .toc-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase}
  .toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px}
  .toc-link{
    position:relative;display:block;padding:10px 12px 10px 16px;border-radius:8px;
    font-size:15px;color:var(--ink-2);transition:background .18s ease,color .18s ease;
  }
  .toc-link::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:0;border-radius:2px;background:var(--accent);transition:height .2s ease;
  }
  .toc-link:hover{background:var(--brand-50);color:var(--brand-700)}
  .toc-link.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
  .toc-link.is-active::before{height:18px}
  .toc-note{
    margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
    font-size:13px;line-height:1.7;color:var(--ink-3);
  }
  .toc-note a{font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:8px}
  .toc-note a span{transition:transform .18s ease}
  .toc-note a:hover span{transform:translateX(3px)}

  .section-h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;letter-spacing:-.01em}
  .section-lead{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:42em}

  .func-col{display:flex;flex-direction:column;gap:20px}
  .block-head{margin-bottom:8px}

  .module-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow-card);
    transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .module-card:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .module-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media(min-width:640px){.module-grid{grid-template-columns:1fr 168px;align-items:start}}
  .module-num{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
    color:var(--accent);font-variant-numeric:tabular-nums;
  }
  .module-title{margin-top:8px;font-size:20px;line-height:1.5;font-weight:600;color:var(--ink)}
  .module-desc{margin-top:10px;font-size:16px;line-height:1.8;color:var(--ink-2)}
  .points{margin-top:14px;display:flex;flex-direction:column;gap:8px}
  .points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
  .points li::before{
    content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
  }
  .module-thumb{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
  .module-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
  @media(max-width:639px){.module-thumb img{aspect-ratio:16/9}}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;margin-top:16px;
    font-size:14.5px;font-weight:600;color:var(--brand-700);
  }
  .link-arrow span{transition:transform .18s ease}
  .link-arrow:hover{color:var(--brand-900)}
  .link-arrow:hover span{transform:translateX(3px)}

  /* table */
  .table-card{margin-top:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden}
  .table-wrap{overflow-x:auto}
  table{width:100%;border-collapse:collapse;min-width:600px}
  thead th{
    background:var(--brand-50);color:var(--ink);font-size:14px;font-weight:600;
    text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
  }
  tbody td{padding:14px 18px;font-size:14.5px;color:var(--ink-2);border-bottom:1px solid var(--line)}
  tbody tr:last-child td{border-bottom:0}
  tbody tr:nth-child(even){background:#FAFCFD}
  tbody tr:hover{background:var(--brand-50)}
  tbody td:first-child{color:var(--ink);font-weight:600}
  .table-foot{padding:12px 18px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);background:#fff}

  /* steps */
  .steps{display:grid;grid-template-columns:1fr;gap:18px;margin-top:22px}
  @media(min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:16px}}
  .step{
    position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px 20px;box-shadow:var(--shadow-card);
    transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .step:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .step::after{
    content:"";position:absolute;left:32px;top:0;width:1px;height:18px;background:var(--brand-100);display:none;
  }
  .step-dot{
    width:34px;height:34px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:700;
    font-variant-numeric:tabular-nums;
  }
  .step h3{margin-top:14px;font-size:16px;font-weight:600;color:var(--ink)}
  .step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}

  /* ---------- related ---------- */
  .rel-section{background:var(--brand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .rel-list{display:flex;flex-direction:column;gap:12px;margin-top:26px}
  .rel-link{
    display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:var(--r-card);
    background:#fff;border:1px solid var(--line);transition:background .18s ease,border-color .18s ease,transform .18s ease;
  }
  .rel-link:hover{background:var(--brand-50);border-color:var(--brand-500);transform:translateX(2px);color:inherit}
  .rel-cat{font-size:13px;color:var(--ink-3);min-width:96px;font-weight:600}
  .rel-main{flex:1;min-width:0}
  .rel-name{font-size:16.5px;font-weight:600;color:var(--ink)}
  .rel-desc{margin-top:4px;font-size:14px;color:var(--ink-2);line-height:1.7}
  .rel-arrow{color:var(--brand-700);font-size:18px;flex:0 0 auto;transition:transform .18s ease}
  .rel-link:hover .rel-arrow{transform:translateX(3px)}
  .rel-current{font-size:12px;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600;margin-left:8px;white-space:nowrap}

  /* ---------- CTA ---------- */
  .cta-wrap{
    background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:32px 24px;display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  }
  @media(min-width:900px){.cta-wrap{grid-template-columns:1fr auto;padding:56px}}
  .cta-title{font-size:clamp(22px,2.3vw,30px);line-height:1.32;color:var(--brand-900);font-weight:700}
  .cta-desc{margin-top:12px;font-size:15.5px;color:var(--ink-2);line-height:1.8;max-width:40em}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  @media(max-width:520px){.cta-actions .btn{width:100%}}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);margin-top:0;padding-top:56px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-logo .logo-mark{background:rgba(255,255,255,.14);color:#fff;box-shadow:none}
  .footer-logo .logo-text{color:#fff}
  .footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:32em}
  .footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px}
  .footer-contact li{font-size:13.5px;color:rgba(255,255,255,.66)}
  .footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
  .footer-list{display:flex;flex-direction:column;gap:10px}
  .footer-list a{font-size:14px;color:rgba(255,255,255,.76)}
  .footer-list a:hover{color:#fff;text-decoration:underline}
  .footer-list .plain{font-size:13px;color:rgba(255,255,255,.55)}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

/* roulang page: category2 */
:root{
  --brand-700:#24566E;
  --brand-900:#16323F;
  --brand-500:#3B7E9B;
  --brand-100:#E3EDF2;
  --brand-50:#F4F8FA;
  --accent:#C08A3E;
  --accent-soft:#F3E7D3;
  --bg:#FBFCFD;
  --card:#FFFFFF;
  --ink:#16242B;
  --ink-2:#465A64;
  --ink-3:#7B8F99;
  --line:#E2E9ED;
  --success:#2F7D5B;
  --warn:#B4762A;
  --danger:#B4423A;
  --r-card:14px;
  --r-lg:20px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(22,50,63,.06), 0 14px 30px -18px rgba(22,50,63,.28);
  --shadow-hover:0 2px 4px rgba(22,50,63,.08), 0 22px 40px -20px rgba(22,50,63,.34);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
ul,ol{list-style:none;margin:0;padding:0;}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font);}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:700;line-height:1.15;letter-spacing:-0.02em;}
h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.3;letter-spacing:-0.01em;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

/* 容器 */
body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  body .container{padding-left:32px;padding-right:32px;}
}
@media (min-width:1280px){
  body .container{padding-left:48px;padding-right:48px;}
}

/* 顶部信息条 */
.topbar{background:var(--brand-50);border-bottom:1px solid var(--line);}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:36px;font-size:13px;color:var(--ink-2);
}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:var(--ink-2);transition:color .18s ease;}
.topbar-links a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
@media (max-width:767px){
  .topbar-note{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .topbar-links span{display:none;}
}

/* 品牌行 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 24px -20px rgba(22,50,63,.55);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--brand-700);color:#fff;
  font-size:15px;font-weight:700;line-height:1;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;margin-top:2px;}
.header-search{
  flex:1 1 auto;max-width:360px;margin-left:auto;
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--brand-50);
  border:1px solid transparent;border-radius:999px;
  transition:border-color .18s ease,background-color .18s ease;
}
.header-search:focus-within{border-color:var(--brand-500);background:#fff;}
.header-search i{font-size:13px;color:var(--ink-3);}
.header-search input{
  flex:1;min-width:0;border:none;background:transparent;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search input:focus{outline:none;}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}

/* 按钮 */
.btn{
  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;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:0 12px 22px -14px rgba(22,50,63,.65);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-700);
  transition:color .18s ease;
}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand-900);}
.link-arrow:hover i{transform:translateX(3px);}

/* 频道导航 */
.chanbar{border-top:1px solid var(--line);background:#fff;}
body .chan-inner{
  display:flex;align-items:center;gap:2px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
body .chan-inner::-webkit-scrollbar{display:none;}
.chan-link{
  position:relative;flex:none;
  display:inline-flex;align-items:center;
  height:48px;padding:0 16px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.chan-link:hover{color:var(--brand-500);}
.chan-link.active{color:var(--brand-700);font-weight:600;border-bottom-color:var(--accent);}

@media (max-width:1023px){
  .header-search{display:none;}
}
@media (max-width:639px){
  .brand-sub{display:none;}
  .logo-text{font-size:15px;}
  .header-inner{min-height:64px;gap:12px;}
  .header-actions .btn-ghost{display:none;}
  .header-actions .btn{height:38px;padding:0 16px;font-size:14px;}
}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-3);padding-top:24px;margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-3);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:#BAC8CF;}
.breadcrumb .current{color:var(--ink-2);font-weight:500;}

/* 页头 */
.page-hero{
  position:relative;
  background-color:var(--brand-50);
  background-image:linear-gradient(180deg,rgba(244,248,250,.94) 0%,rgba(251,252,253,.97) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  padding:8px 0 48px;
}
.page-hero h1{max-width:16em;}
.page-hero .lead{
  margin-top:18px;max-width:620px;
  font-size:17px;line-height:1.8;color:var(--ink-2);
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill-info{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
  box-shadow:0 1px 2px rgba(22,50,63,.04);
}
.pill-info::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent);flex:none;
}

/* 板块 */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1280px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:10px;
}
.section-label::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:600px;line-height:1.8;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:500;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:var(--accent);font-weight:600;}

/* 筛选 chip */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:6px 0 0;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);}
.chip:active{transform:translateY(1px);}
.chip.active{
  background:var(--brand-700);border-color:var(--brand-700);color:#fff;
  box-shadow:0 10px 20px -16px rgba(22,50,63,.8);
}

/* 时间线 */
.timeline{position:relative;padding-left:28px;margin-top:34px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:10px;bottom:10px;
  width:3px;border-radius:3px;background:var(--brand-100);
}
.tl-item{
  position:relative;
  display:flex;align-items:flex-start;gap:0;
  padding:22px 24px;
  margin-bottom:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:32px;
  width:13px;height:13px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
  box-sizing:border-box;
}
.tl-item:hover{
  border-color:var(--brand-500);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.tl-date{
  width:64px;flex:none;text-align:center;
  padding-right:14px;margin-right:18px;
  border-right:1px solid var(--line);
}
.tl-day{
  font-size:22px;font-weight:600;line-height:1.15;
  color:var(--brand-700);font-variant-numeric:tabular-nums;
}
.tl-ym{font-size:12px;color:var(--ink-3);letter-spacing:.02em;margin-top:2px;}
.tl-body{flex:1;min-width:0;}
.tl-title{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tl-text{
  margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:46em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tl-meta{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap;}
.tl-arrow{
  flex:none;align-self:center;margin-left:14px;
  width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);background:var(--brand-50);
  transition:transform .18s ease,background-color .18s ease,color .18s ease;
}
.tl-item:hover .tl-arrow{transform:translateX(3px);background:var(--brand-100);}
@media (max-width:639px){
  .timeline{padding-left:22px;}
  .timeline::before{left:4px;}
  .tl-item{padding:18px;flex-wrap:wrap;}
  .tl-item::before{left:-23px;top:26px;}
  .tl-date{
    width:100%;display:flex;align-items:baseline;gap:8px;text-align:left;
    padding-right:0;margin-right:0;border-right:none;
    margin-bottom:10px;border-bottom:1px dashed var(--line);padding-bottom:8px;
  }
  .tl-arrow{display:none;}
}
.empty-state{
  display:none;text-align:center;padding:56px 20px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
}
.empty-state i{font-size:34px;color:var(--brand-500);opacity:.5;}
.empty-state p{margin:14px 0 0;color:var(--ink-2);font-size:15px;}

/* 专题大图卡 */
.feature-card{
  margin-top:8px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.feature-card:hover{border-color:var(--brand-500);box-shadow:var(--shadow-hover);}
.feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-card:hover .feature-media img{transform:scale(1.02);}
.feature-body{padding:26px 24px 30px;}
@media (min-width:768px){.feature-body{padding:32px 36px 36px;}}
.feature-body h3{font-size:clamp(20px,2vw,24px);line-height:1.4;}
.feature-body p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:44em;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}

/* 准备清单 */
.prep-grid{display:grid;gap:20px;grid-template-columns:1fr;margin-top:34px;}
@media (min-width:768px){.prep-grid{grid-template-columns:repeat(3,1fr);}}
.prep-card{
  position:relative;
  padding:26px 24px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.prep-card:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.prep-num{
  font-size:34px;font-weight:700;line-height:1;
  color:var(--brand-100);font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.prep-card h3{font-size:17px;margin-top:10px;font-weight:600;}
.prep-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-2);}

/* 分类互链 */
.cat-link{
  display:flex;align-items:center;gap:18px;
  padding:20px 24px;margin-bottom:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.cat-link:hover{background:var(--brand-50);border-color:var(--brand-500);transform:translateX(2px);}
.cat-link .cat-index{
  flex:none;width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-700);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.cat-link .cat-main{flex:1;min-width:0;}
.cat-link .cat-name{font-size:16px;font-weight:600;color:var(--ink);}
.cat-link .cat-note{margin-top:4px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.cat-link .cat-go{flex:none;color:var(--brand-700);font-size:14px;transition:transform .18s ease;}
.cat-link:hover .cat-go{transform:translateX(3px);}
.cat-link.current{background:var(--brand-50);border-color:var(--brand-100);transform:none;}
.cat-link.current .cat-name{color:var(--brand-700);}
.cat-link.current .cat-go{color:var(--ink-3);font-size:13px;}
@media (max-width:639px){
  .cat-link{padding:16px 18px;gap:12px;}
  .cat-link .cat-index{width:32px;height:32px;font-size:12px;}
}

/* CTA 条 */
.cta-band{
  background:var(--brand-50);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 26px;
  display:flex;flex-direction:column;gap:22px;
}
@media (min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 52px;gap:36px;}
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);}
.cta-band .cta-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}
@media (max-width:520px){
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);padding-top:60px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-text{color:#fff;font-size:16px;}
.footer-brand p{margin:0 0 16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:34em;}
.footer-contact{display:grid;gap:8px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px;}
.footer-list{display:grid;gap:10px;font-size:14px;}
.footer-list a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-list .plain{color:rgba(255,255,255,.55);}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* roulang page: category3 */
:root{
  --brand-700:#24566E;
  --brand-900:#16323F;
  --brand-500:#3B7E9B;
  --brand-100:#E3EDF2;
  --brand-50:#F4F8FA;
  --accent:#C08A3E;
  --accent-soft:#F3E7D3;
  --bg:#FBFCFD;
  --card:#FFFFFF;
  --ink:#16242B;
  --ink-2:#465A64;
  --ink-3:#7B8F99;
  --line:#E2E9ED;
  --ok:#2F7D5B;
  --warn:#B4762A;
  --error:#B4423A;
  --r-card:14px;
  --r-lg:20px;
  --r-img:12px;
  --r-btn:10px;
  --maxw:1200px;
  --shadow-card:0 1px 2px rgba(22,50,63,.06),0 14px 30px -18px rgba(22,50,63,.28);
  --shadow-hover:0 2px 4px rgba(22,50,63,.08),0 22px 40px -20px rgba(22,50,63,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p,h1,h2,h3,h4{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* 顶部信息条 */
.topbar{background:var(--brand-50);border-bottom:1px solid var(--line);color:var(--ink-2);font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:8px}
.topbar-dot{width:6px;height:6px;border-radius:999px;background:var(--ok);display:inline-block}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{transition:color .18s ease}
.topbar-links a:hover{color:var(--brand-700)}
@media (max-width:560px){.topbar-links{gap:12px;font-size:12px}}

/* 品牌行 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.scrolled{box-shadow:0 6px 18px -12px rgba(22,50,63,.42)}
.brand-row{display:flex;align-items:center;gap:18px;min-height:80px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;box-shadow:0 6px 14px -10px rgba(22,50,63,.8)}
.logo-text{font-size:18px;font-weight:700;color:var(--brand-900);white-space:nowrap;letter-spacing:.01em}
.logo-text .short{display:none}
@media (max-width:1023px){.logo-text .full{display:none}.logo-text .short{display:inline}}
.head-search{position:relative;flex:1 1 auto;max-width:400px;margin-left:auto}
.head-search input{width:100%;height:42px;border-radius:999px;border:1px solid transparent;background:var(--brand-50);padding:0 44px 0 18px;font-size:14px;color:var(--ink);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}
.head-search input::placeholder{color:var(--ink-3)}
.head-search input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.14)}
.head-search button{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:999px;display:grid;place-items:center;color:var(--brand-700);transition:background .18s ease}
.head-search button:hover{background:var(--brand-100)}
.head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{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;white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--brand-700);background:#fff;transition:background .18s ease,border-color .18s ease}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-500)}
@media (max-width:1023px){
  .head-search{display:none}
  .head-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
}

/* 频道导航 */
.chanbar{border-top:1px solid var(--line);background:#fff}
.chan-inner{display:flex;align-items:center;gap:6px;min-height:50px;overflow-x:auto;scrollbar-width:none}
.chan-inner::-webkit-scrollbar{display:none}
.chan-link{position:relative;display:inline-flex;align-items:center;height:50px;padding:0 14px;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .18s ease}
.chan-link:hover{color:var(--brand-500)}
.chan-link.active{color:var(--brand-700);font-weight:600}
.chan-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--accent);border-radius:2px}
@media (max-width:1023px){
  .chanbar{display:none}
  .chanbar.open{display:block}
  .chan-inner{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px 0 18px;overflow:visible;min-height:0}
  .chan-link{height:42px;justify-content:center;padding:0 12px;border-radius:999px;background:var(--brand-50);font-size:14px}
  .chan-link.active{background:var(--brand-100);color:var(--brand-700)}
  .chan-link.active::after{display:none}
}

/* 面包屑 */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-3)}
.crumb a{transition:color .18s ease}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{margin:0 8px;color:#C4D2D9}
.crumb .now{color:var(--ink-2)}

/* 页头 */
.page-hero{position:relative;margin-top:16px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--brand-50);overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.14}
.page-hero-inner{position:relative;padding:clamp(30px,5vw,56px) clamp(22px,4vw,52px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:#8C6222;font-size:12px;font-weight:600;letter-spacing:.04em}
.page-hero h1{font-size:clamp(27px,3.6vw,42px);line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);margin-top:16px}
.page-hero .hero-sub{margin-top:14px;max-width:680px;font-size:17px;line-height:1.8;color:var(--ink-2)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand-700);font-size:13px;font-weight:500}
.pill .dot{width:6px;height:6px;border-radius:999px;background:var(--brand-500)}

/* 搜索 */
.search-block{padding:38px 0 4px}
.search-box{position:relative;max-width:760px;margin:0 auto}
.search-box .search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
.search-box input{width:100%;height:54px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 150px 0 50px;font-size:16px;color:var(--ink);box-shadow:var(--shadow-card);transition:border-color .18s ease,box-shadow .18s ease}
.search-box input::placeholder{color:var(--ink-3);font-size:15px}
.search-box input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,155,.14)}
.search-box .search-submit{position:absolute;right:6px;top:6px;bottom:6px;height:auto;padding:0 24px;border-radius:9px;font-size:15px}
.search-hint{max-width:760px;margin:12px auto 0;font-size:13px;color:var(--ink-3);text-align:center;min-height:22px}
.search-hint.warn{color:var(--warn)}
@media (max-width:560px){
  .search-box input{padding:0 108px 0 44px;font-size:15px}
  .search-box .search-submit{padding:0 16px;font-size:14px}
}

/* 板块 */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:68px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-title{font-size:clamp(23px,2.4vw,32px);line-height:1.32;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-desc{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.section-tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--accent);margin-bottom:10px}

/* 快捷入口 */
.quick-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.quick-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.quick-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;display:flex;flex-direction:column}
.quick-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-hover)}
.quick-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;margin-bottom:16px}
.quick-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.quick-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.quick-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.quick-link svg{transition:transform .18s ease}
.quick-card:hover .quick-link svg{transform:translateX(3px)}

/* FAQ 分组 */
.faq-layout{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:1024px){.faq-layout{grid-template-columns:272px 1fr;gap:52px}}
.faq-side{align-self:start}
@media (min-width:1024px){.faq-side{position:sticky;top:150px}}
.faq-side-title{font-size:16px;font-weight:600;color:var(--ink)}
.faq-nav{margin-top:16px;display:grid;gap:6px}
.faq-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);border-left:3px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease}
.faq-nav a:hover{background:var(--brand-50);color:var(--brand-700)}
.faq-nav a.on{border-left-color:var(--accent);background:var(--brand-50);color:var(--brand-700);font-weight:600}
.faq-nav .num{font-variant-numeric:tabular-nums;font-size:12px;color:var(--ink-3);min-width:18px}
.faq-side-note{margin-top:22px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;font-size:13px;line-height:1.8;color:var(--ink-2)}
.faq-side-note strong{display:block;color:var(--ink);font-size:14px;font-weight:600;margin-bottom:6px}
.faq-group{margin-bottom:38px;scroll-margin-top:150px}
.faq-group:last-child{margin-bottom:0}
.faq-group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.faq-group-head h2{font-size:20px;font-weight:600;color:var(--ink)}
.faq-group-head .count{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:18px 4px 18px 0;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);transition:color .18s ease}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{flex-shrink:0;width:22px;height:22px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700);font-size:14px;line-height:1;margin-top:2px;transition:transform .24s ease,background .18s ease,border-color .18s ease}
.faq-q:hover .faq-icon{background:var(--brand-50);border-color:var(--brand-500)}
.faq-icon::before{content:"+"}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-100);border-color:var(--brand-100)}
.faq-item.open .faq-icon::before{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a-inner{padding:0 0 20px 15px;border-left:3px solid var(--brand-100);margin-left:2px}
.faq-a-inner p{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:44em}

/* 相关分类 */
.relate-list{display:grid;gap:12px}
.relate-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:background .18s ease,border-color .18s ease,transform .18s ease}
.relate-item:hover{background:var(--brand-50);border-color:var(--brand-500);transform:translateX(2px)}
.relate-main{display:flex;flex-direction:column;gap:2px;min-width:0}
.relate-name{font-size:16px;font-weight:600;color:var(--ink)}
.relate-desc{font-size:13px;color:var(--ink-3)}
.relate-arrow{color:var(--brand-700);flex-shrink:0;transition:transform .18s ease}
.relate-item:hover .relate-arrow{transform:translateX(4px)}
.relate-item.current{background:var(--brand-100);border-color:var(--brand-100);cursor:default}
.relate-item.current:hover{transform:none}
.relate-item.current .relate-badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;background:#fff;color:var(--brand-700);font-size:12px;font-weight:600}

/* CTA */
.cta-card{background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,4vw,48px);display:grid;gap:30px;grid-template-columns:1fr;align-items:center}
@media (min-width:920px){.cta-card{grid-template-columns:1.15fr .85fr;gap:48px}}
.cta-card h2{font-size:clamp(23px,2.4vw,32px);line-height:1.32;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
.cta-card p{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff}
.cta-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media (max-width:919px){.cta-media{order:-1}}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);margin-top:64px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-mark{background:rgba(255,255,255,.12);box-shadow:none}
.footer-logo .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:32em}
.footer-contact{margin-top:18px;display:grid;gap:6px;font-size:14px;color:rgba(255,255,255,.65)}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.02em}
.footer-list li{margin-bottom:10px;font-size:14px;line-height:1.7}
.footer-list a{color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-list .plain{color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 30px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.55)}