/* roulang page: index */
:root{
  --sk-indigo:#1B2C63;
  --sk-indigo-2:#2F4A9E;
  --sk-indigo-soft:#EDF1FB;
  --sk-orange:#E4570F;
  --sk-orange-2:#C8490A;
  --sk-orange-soft:#FDEDE4;
  --sk-cyan:#0E8F9E;
  --sk-cyan-soft:#E4F5F7;
  --sk-bg:#F6F8FC;
  --sk-card:#FFFFFF;
  --sk-line:#E4E9F2;
  --sk-ink:#0F172A;
  --sk-ink-2:#475569;
  --sk-ink-3:#94A3B8;
  --sk-r-card:14px;
  --sk-r-btn:10px;
  --sk-r-img:12px;
  --sk-r-pill:999px;
  --sk-sh-card:0 2px 4px rgba(16,24,40,.04),0 12px 28px -12px rgba(27,44,99,.16);
  --sk-sh-hover:0 4px 10px rgba(16,24,40,.06),0 22px 44px -16px rgba(27,44,99,.28);
  --sk-sh-btn:0 10px 22px -12px rgba(228,87,15,.75);
  --sk-sec:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sk-bg);
  color:var(--sk-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--sk-indigo-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--sk-orange);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--sk-ink);}
p{margin:0;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--sk-cyan);outline-offset:2px;}

.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sk-section{padding:var(--sk-sec) 0;}
.sk-section-white{background:#fff;border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);}

.sk-h2{position:relative;font-size:26px;line-height:1.35;padding-left:16px;color:var(--sk-ink);}
.sk-h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--sk-orange);}
.sk-h2-light{color:#fff;}
.sk-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.sk-sec-head p{margin-top:10px;font-size:15px;color:var(--sk-ink-2);max-width:640px;}
.sk-sec-more{flex:0 0 auto;font-size:15px;font-weight:600;color:var(--sk-indigo-2);border-bottom:2px solid transparent;padding-bottom:2px;}
.sk-sec-more:hover{border-bottom-color:var(--sk-orange);}

.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:700;line-height:1;padding:0 22px;min-height:46px;
  border-radius:var(--sk-r-btn);border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.sk-btn-lg{min-height:52px;padding:0 28px;font-size:17px;}
.sk-btn-block{width:100%;}
.sk-btn-primary{background:var(--sk-orange);color:#fff;box-shadow:var(--sk-sh-btn);}
.sk-btn-primary:hover{background:var(--sk-orange-2);color:#fff;transform:translateY(-2px);}
.sk-btn-outline{background:#fff;color:var(--sk-indigo);border-color:var(--sk-indigo);}
.sk-btn-outline:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);transform:translateY(-2px);}
.sk-btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
.sk-btn-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.sk-btn-text{color:var(--sk-indigo-2);padding:0;min-height:auto;border-bottom:2px solid currentColor;border-radius:0;font-size:15px;}
.sk-btn-text:hover{color:var(--sk-orange);}

.sk-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--sk-r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;}
.sk-badge-orange{background:var(--sk-orange);color:#fff;}
.sk-badge-indigo{background:var(--sk-indigo-soft);color:var(--sk-indigo);}
.sk-badge-cyan{background:var(--sk-cyan-soft);color:var(--sk-cyan);}
.sk-badge-soft-orange{background:var(--sk-orange-soft);color:var(--sk-orange);}

/* ============ 导航 ============ */
.sk-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--sk-line);transition:box-shadow .25s ease;}
.sk-header.is-stuck{box-shadow:0 10px 26px -16px rgba(27,44,99,.55);}
.sk-nav{display:flex;align-items:center;gap:24px;height:72px;}
.sk-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--sk-indigo);}
.sk-brand:hover{color:var(--sk-indigo);}
.sk-brand-mark{width:30px;height:30px;flex:0 0 auto;color:var(--sk-orange);}
.sk-brand em{font-style:normal;color:var(--sk-indigo-2);}
.sk-navlinks{display:flex;align-items:center;gap:4px;margin-left:6px;}
.sk-navlink{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;font-size:15px;font-weight:600;color:var(--sk-ink-2);}
.sk-navlink::after{content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:2px;background:var(--sk-orange);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;}
.sk-navlink:hover{color:var(--sk-indigo);}
.sk-navlink:hover::after,.sk-navlink.is-active::after{transform:scaleX(1);}
.sk-navlink.is-active{color:var(--sk-indigo);font-weight:700;}
.sk-nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.sk-burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:var(--sk-r-btn);border:1px solid var(--sk-line);background:#fff;align-items:center;justify-content:center;color:var(--sk-indigo);}
.sk-burger:hover{background:var(--sk-indigo-soft);}
.sk-burger svg{width:22px;height:22px;}

/* ============ 抽屉 ============ */
.sk-drawer{width:308px;max-width:88vw;background:#fff;border-left:1px solid var(--sk-line);}
.sk-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--sk-line);}
.sk-drawer-close{width:40px;height:40px;border-radius:var(--sk-r-btn);display:inline-flex;align-items:center;justify-content:center;color:var(--sk-ink-2);border:1px solid var(--sk-line);}
.sk-drawer-close:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);}
.sk-drawer-body{padding:8px 20px 20px;}
.sk-drawer-link{display:block;padding:16px 2px;font-size:17px;font-weight:600;color:var(--sk-ink-2);border-bottom:1px solid var(--sk-line);}
.sk-drawer-link:hover{color:var(--sk-indigo);}
.sk-drawer-link.is-active{color:var(--sk-orange);}
.sk-drawer-foot{padding:16px 20px 26px;border-top:1px solid var(--sk-line);}

/* ============ Hero ============ */
.sk-hero{padding:64px 0 56px;background:#fff;}
.sk-hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,1fr);gap:52px;align-items:center;}
.sk-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--sk-cyan);background:var(--sk-cyan-soft);border-radius:var(--sk-r-pill);padding:6px 14px;margin-bottom:20px;}
.sk-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--sk-cyan);display:inline-block;}
.sk-h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.02em;color:var(--sk-ink);}
.sk-h1 span{color:var(--sk-indigo);}
.sk-hero-sub{margin-top:18px;max-width:580px;font-size:17px;line-height:1.85;color:var(--sk-ink-2);}
.sk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.sk-trust{display:flex;flex-wrap:wrap;gap:40px;margin-top:36px;padding-top:26px;border-top:1px solid var(--sk-line);}
.sk-trust li{display:flex;flex-direction:column;gap:2px;}
.sk-trust b{font-size:25px;font-weight:700;color:var(--sk-indigo);font-variant-numeric:tabular-nums;line-height:1.2;}
.sk-trust span{font-size:13px;color:var(--sk-ink-3);}
.sk-hero-media{position:relative;}
.sk-cover-card{position:relative;border-radius:var(--sk-r-card);overflow:hidden;background:var(--sk-card);box-shadow:var(--sk-sh-card);}
.sk-cover-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--sk-r-card);}
.sk-cover-card .sk-badge{position:absolute;top:14px;left:14px;}
.sk-cover-time{position:absolute;right:14px;bottom:14px;background:rgba(15,23,42,.74);color:#fff;font-size:13px;font-weight:600;padding:6px 12px;border-radius:var(--sk-r-pill);font-variant-numeric:tabular-nums;}
.sk-hero-note{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--sk-ink-3);}
.sk-hero-note svg{width:16px;height:16px;color:var(--sk-cyan);flex:0 0 auto;}

/* ============ 倒计时 ============ */
.sk-cd{background:#fff;border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);}
.sk-cd-inner{display:flex;align-items:center;gap:26px;padding:20px 0;flex-wrap:wrap;}
.sk-cd-label{display:flex;flex-direction:column;gap:2px;min-width:220px;}
.sk-cd-label strong{font-size:17px;font-weight:700;color:var(--sk-indigo);}
.sk-cd-label span{font-size:13px;color:var(--sk-ink-3);}
.sk-cd-timer{display:flex;align-items:center;gap:12px;margin-left:auto;}
.sk-cd-cell{width:70px;background:var(--sk-indigo-soft);border-radius:12px;padding:9px 0;text-align:center;}
.sk-cd-cell b{display:block;font-size:24px;font-weight:700;line-height:1.15;color:var(--sk-indigo);font-variant-numeric:tabular-nums;}
.sk-cd-cell i{font-style:normal;font-size:12px;color:var(--sk-ink-3);}
.sk-cd-sep{width:5px;height:5px;border-radius:50%;background:var(--sk-orange);flex:0 0 auto;}

/* ============ 看点列表 ============ */
.sk-points{border-top:1px solid var(--sk-line);}
.sk-point{display:flex;align-items:center;gap:20px;padding:22px 6px;border-bottom:1px solid var(--sk-line);transition:background-color .2s ease,padding-left .2s ease;}
.sk-point:hover{background:#fff;padding-left:16px;}
.sk-point-num{flex:0 0 auto;font-size:20px;font-weight:700;color:var(--sk-orange);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.sk-point-body{display:flex;flex-direction:column;gap:2px;min-width:0;}
.sk-point-body h3{font-size:19px;font-weight:600;color:var(--sk-ink);}
.sk-point-body p{font-size:14px;line-height:1.7;color:var(--sk-ink-2);}
.sk-point .sk-badge{margin-left:auto;flex:0 0 auto;}

/* ============ 订阅 ============ */
.sk-sub-card{background:#fff;border-radius:var(--sk-r-card);box-shadow:var(--sk-sh-card);padding:36px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:36px;align-items:center;border:1px solid var(--sk-line);}
.sk-sub-card h2{font-size:24px;line-height:1.4;}
.sk-sub-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--sk-ink-2);}
.sk-sub-form{display:flex;gap:12px;}
.sk-input{flex:1 1 auto;min-width:0;height:48px;border:1px solid var(--sk-line);border-radius:var(--sk-r-btn);padding:0 16px;font-size:15px;color:var(--sk-ink);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;}
.sk-input::placeholder{color:var(--sk-ink-3);}
.sk-input:focus{outline:none;border-color:var(--sk-indigo-2);box-shadow:0 0 0 3px rgba(47,74,158,.14);}
.sk-form-note{margin-top:12px;font-size:12px;color:var(--sk-ink-3);}

/* ============ 入口横条 ============ */
.sk-band{background:var(--sk-indigo-soft);padding:44px 0;}
.sk-band-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.sk-band-inner h2{font-size:24px;line-height:1.4;color:var(--sk-indigo);}
.sk-band-inner p{margin-top:8px;font-size:15px;color:var(--sk-ink-2);max-width:640px;}
.sk-band-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 资讯列表 ============ */
.sk-news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.sk-news-card{display:flex;gap:18px;padding:18px;background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);box-shadow:var(--sk-sh-card);transition:transform .22s ease,box-shadow .22s ease;}
.sk-news-card:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-hover);}
.sk-news-thumb{flex:0 0 168px;width:168px;height:112px;border-radius:var(--sk-r-img);overflow:hidden;background:var(--sk-indigo-soft);}
.sk-news-thumb img{width:100%;height:100%;object-fit:cover;}
.sk-news-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1 1 auto;}
.sk-news-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--sk-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sk-news-desc{font-size:14px;line-height:1.7;color:var(--sk-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sk-news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--sk-ink-3);flex-wrap:wrap;}
.sk-news-more{margin-left:auto;font-size:13px;font-weight:600;color:var(--sk-indigo-2);}
.sk-news-card:hover .sk-news-title{color:var(--sk-indigo-2);}
.sk-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:148px;padding:32px;background:#fff;border:1px dashed var(--sk-line);border-radius:var(--sk-r-card);text-align:center;}
.sk-empty svg{width:44px;height:44px;color:var(--sk-ink-3);}
.sk-empty p{font-size:15px;color:var(--sk-ink-2);}

/* ============ 数据横条 ============ */
.sk-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.sk-stat{background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);padding:26px 24px;box-shadow:var(--sk-sh-card);}
.sk-stat b{display:block;font-size:30px;font-weight:700;line-height:1.2;color:var(--sk-indigo);font-variant-numeric:tabular-nums;}
.sk-stat span{display:block;margin-top:6px;font-size:14px;color:var(--sk-ink-2);}
.sk-stat em{display:block;margin-top:10px;font-style:normal;font-size:13px;color:var(--sk-cyan);}

/* ============ FAQ ============ */
.sk-faq-wrap{max-width:880px;}
.sk-faq .accordion-item{border:1px solid var(--sk-line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--sk-sh-card);margin-bottom:14px;}
.sk-faq .accordion-item:last-child{margin-bottom:0;}
.sk-faq .accordion-button{position:relative;display:block;width:100%;text-align:left;background:#fff;color:var(--sk-ink);font-size:17px;font-weight:600;line-height:1.6;padding:20px 62px 20px 22px;border:0;box-shadow:none;}
.sk-faq .accordion-button:not(.collapsed){color:var(--sk-indigo);font-weight:700;box-shadow:inset 4px 0 0 var(--sk-orange);background:#fff;}
.sk-faq .accordion-button:focus{box-shadow:inset 4px 0 0 var(--sk-orange);outline:2px solid var(--sk-cyan);outline-offset:-2px;}
.sk-faq .accordion-button::before,
.sk-faq .accordion-button::after{content:"";position:absolute;right:24px;top:50%;background:var(--sk-orange);border-radius:2px;transition:transform .25s ease;}
.sk-faq .accordion-button::before{width:16px;height:2px;transform:translateY(-50%);}
.sk-faq .accordion-button::after{width:2px;height:16px;transform:translate(-7px,-50%);}
.sk-faq .accordion-button:not(.collapsed)::after{transform:translate(-7px,-50%) scaleY(0);}
.sk-faq-body{padding:2px 22px 22px;font-size:15px;line-height:1.9;color:var(--sk-ink-2);border-top:1px solid var(--sk-line);margin-top:0;}

/* ============ 底部 CTA ============ */
.sk-cta{position:relative;background-color:var(--sk-indigo);background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;padding:var(--sk-sec) 0;}
.sk-cta::before{content:"";position:absolute;inset:0;background:rgba(27,44,99,.9);}
.sk-cta .sk-container{position:relative;z-index:1;}
.sk-cta-box{max-width:760px;}
.sk-cta-box h2{font-size:30px;line-height:1.35;color:#fff;}
.sk-cta-box p{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);}
.sk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ============ 页脚 ============ */
.sk-footer{background:var(--sk-indigo);color:#fff;padding:64px 0 28px;}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.sk-footer .sk-brand{color:#fff;font-size:18px;}
.sk-footer .sk-brand em{color:rgba(255,255,255,.72);}
.sk-footer .sk-brand:hover{color:#fff;}
.sk-footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:320px;}
.sk-footer h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.sk-footer-list li{margin-bottom:10px;}
.sk-footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.sk-footer-list a:hover{color:var(--sk-orange);}
.sk-footer-list span{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
.sk-footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.sk-footer-bottom p{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sk-container{padding:0 20px;}
  .sk-h1{font-size:34px;}
  .sk-hero-grid{gap:40px;}
}
@media (max-width:991.98px){
  :root{--sk-sec:64px;}
  .sk-navlinks,.sk-nav-actions{display:none;}
  .sk-burger{display:inline-flex;}
  .sk-hero{padding:44px 0 40px;}
  .sk-hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .sk-h1{font-size:31px;}
  .sk-hero-sub{font-size:16px;}
  .sk-news-grid{grid-template-columns:minmax(0,1fr);}
  .sk-sub-card{grid-template-columns:minmax(0,1fr);gap:22px;padding:28px;}
  .sk-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sk-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .sk-cta-box h2{font-size:26px;}
}
@media (max-width:767.98px){
  :root{--sk-sec:56px;}
  .sk-container{padding:0 16px;}
  .sk-h1{font-size:27px;}
  .sk-h2{font-size:22px;}
  .sk-sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .sk-nav{height:64px;gap:12px;}
  .sk-brand{font-size:16px;}
  .sk-brand-mark{width:26px;height:26px;}
  .sk-hero-actions .sk-btn{width:100%;}
  .sk-trust{gap:22px 32px;margin-top:28px;}
  .sk-trust b{font-size:22px;}
  .sk-cd-inner{gap:16px;padding:18px 0;}
  .sk-cd-label{min-width:0;}
  .sk-cd-timer{width:100%;margin-left:0;justify-content:space-between;gap:6px;}
  .sk-cd-cell{flex:1 1 0;width:auto;padding:8px 0;}
  .sk-cd-cell b{font-size:20px;}
  .sk-cd-sep{display:none;}
  .sk-point{flex-wrap:wrap;gap:12px;padding:18px 2px;}
  .sk-point .sk-badge{margin-left:34px;}
  .sk-sub-form{flex-direction:column;}
  .sk-sub-form .sk-btn{width:100%;}
  .sk-band-inner{gap:20px;}
  .sk-band-actions{margin-left:0;width:100%;}
  .sk-band-actions .sk-btn{width:100%;}
  .sk-news-card{gap:14px;padding:14px;flex-direction:column;}
  .sk-news-thumb{flex:0 0 auto;width:100%;height:180px;}
  .sk-stats{grid-template-columns:minmax(0,1fr);gap:16px;}
  .sk-cta-actions .sk-btn{width:100%;}
  .sk-footer{padding:48px 0 24px;}
  .sk-footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .sk-footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519.98px){
  .sk-h1{font-size:25px;}
  .sk-faq .accordion-button{font-size:16px;padding:16px 54px 16px 18px;}
  .sk-faq-body{padding:2px 18px 18px;}
  .sk-cta-box h2{font-size:22px;}
}

/* roulang page: article */
:root{
  --sk-indigo:#1B2C63;
  --sk-indigo-2:#2F4A9E;
  --sk-indigo-soft:#EDF1FB;
  --sk-orange:#E4570F;
  --sk-orange-soft:#FDEDE4;
  --sk-cyan:#0E8F9E;
  --sk-cyan-soft:#E4F5F7;
  --sk-bg:#F6F8FC;
  --sk-card:#FFFFFF;
  --sk-line:#E4E9F2;
  --sk-text:#0F172A;
  --sk-text-2:#475569;
  --sk-text-3:#94A3B8;
  --sk-r-card:14px;
  --sk-r-btn:10px;
  --sk-r-pill:999px;
  --sk-r-img:12px;
  --sk-shadow:0 2px 4px rgba(16,24,40,.04), 0 12px 28px -12px rgba(27,44,99,.16);
  --sk-shadow-hover:0 4px 8px rgba(16,24,40,.06), 0 22px 42px -14px rgba(27,44,99,.26);
  --sk-gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--sk-indigo-2);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--sk-orange);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
:focus-visible{outline:2px solid var(--sk-cyan);outline-offset:2px;border-radius:4px;}
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sk-main{padding-bottom:8px;}

/* ============ 头部导航 ============ */
.sk-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--sk-line);
  transition:box-shadow .22s ease;
}
.sk-header.is-stuck{box-shadow:0 8px 26px -14px rgba(27,44,99,.34);}
.sk-nav{display:flex;align-items:center;gap:22px;height:72px;}
.sk-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--sk-indigo);
  letter-spacing:.02em;white-space:nowrap;
}
.sk-brand:hover{color:var(--sk-indigo);}
.sk-brand em{font-style:normal;color:var(--sk-orange);}
.sk-brand-mark{width:28px;height:28px;flex:none;color:var(--sk-orange);}
.sk-navlinks{display:flex;align-items:center;gap:4px;margin-left:6px;}
.sk-navlink{
  position:relative;display:inline-flex;align-items:center;height:72px;
  padding:0 14px;font-size:15.5px;font-weight:500;color:var(--sk-text-2);
}
.sk-navlink::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:transparent;transition:background .2s ease;
}
.sk-navlink:hover{color:var(--sk-indigo);}
.sk-navlink.is-active{color:var(--sk-indigo);font-weight:700;}
.sk-navlink.is-active::after{background:var(--sk-orange);}
.sk-nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border:1px solid transparent;
  border-radius:var(--sk-r-btn);font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.sk-btn-primary{
  background:var(--sk-orange);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 10px 20px -12px rgba(228,87,15,.95);
}
.sk-btn-primary:hover{background:#C94A09;color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(228,87,15,.9);}
.sk-btn-outline{background:#fff;color:var(--sk-indigo);border-color:#C9D3EC;}
.sk-btn-outline:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);transform:translateY(-2px);}
.sk-btn-soft{background:var(--sk-indigo-soft);color:var(--sk-indigo);}
.sk-btn-soft:hover{background:#DDE5F8;color:var(--sk-indigo);transform:translateY(-2px);}
.sk-btn-block{width:100%;}
.sk-burger{
  display:none;margin-left:auto;width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--sk-line);border-radius:10px;background:#fff;color:var(--sk-indigo);
}
.sk-burger svg{width:22px;height:22px;}
.sk-burger:hover{background:var(--sk-indigo-soft);}

/* 抽屉 */
.sk-drawer{width:min(340px,88vw)!important;background:#fff;border-left:1px solid var(--sk-line);}
.sk-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--sk-line);}
.sk-drawer .offcanvas-body{padding:8px 20px 12px;display:flex;flex-direction:column;}
.sk-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 0;font-size:17px;font-weight:500;color:var(--sk-text);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer-link:hover{color:var(--sk-orange);}
.sk-drawer-link.is-active{color:var(--sk-indigo);font-weight:700;}
.sk-drawer-link.is-active::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--sk-orange);}
.sk-drawer-foot{padding:16px 20px 22px;border-top:1px solid var(--sk-line);margin-top:auto;}
.sk-drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--sk-line);border-radius:10px;background:#fff;color:var(--sk-text-2);
}
.sk-drawer-close svg{width:18px;height:18px;}
.sk-drawer-close:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);}

/* ============ 面包屑 ============ */
.sk-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 6px;font-size:13.5px;color:var(--sk-text-3);
}
.sk-crumbs a{color:var(--sk-text-2);}
.sk-crumbs a:hover{color:var(--sk-orange);}
.sk-crumb-sep{color:#C3CDE0;}
.sk-crumb-current{color:var(--sk-text-3);max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.sk-article-head{padding:14px 0 0;}
.sk-article-title{
  font-size:36px;line-height:1.28;font-weight:700;color:var(--sk-text);
  margin-top:16px;letter-spacing:.02em;
}
.sk-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;
  margin-top:20px;padding-bottom:22px;border-bottom:1px solid var(--sk-line);
  font-size:13.5px;color:var(--sk-text-3);
}
.sk-meta-item{display:inline-flex;align-items:center;gap:7px;}
.sk-meta-item svg{width:15px;height:15px;flex:none;color:var(--sk-cyan);}
.sk-meta-item time{color:var(--sk-cyan);font-weight:700;font-variant-numeric:tabular-nums;}
.sk-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--sk-r-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.sk-badge-orange{background:var(--sk-orange-soft);color:var(--sk-orange);}
.sk-badge-indigo{background:var(--sk-indigo-soft);color:var(--sk-indigo);}
.sk-badge-cyan{background:var(--sk-cyan-soft);color:var(--sk-cyan);}

/* ============ 正文 ============ */
.sk-article-body{padding-top:30px;}
.sk-prose{max-width:800px;font-size:17px;line-height:1.9;color:var(--sk-text-2);}
.sk-prose > :first-child{margin-top:0;}
.sk-prose > * + *{margin-top:18px;}
.sk-prose h2{
  position:relative;padding-left:16px;margin-top:42px;margin-bottom:16px;
  font-size:26px;line-height:1.35;color:var(--sk-text);scroll-margin-top:96px;
}
.sk-prose h2::before{
  content:"";position:absolute;left:0;top:.38em;
  width:4px;height:18px;border-radius:2px;background:var(--sk-orange);
}
.sk-prose h3{
  font-size:19.5px;font-weight:600;color:var(--sk-text);
  margin-top:32px;margin-bottom:12px;scroll-margin-top:96px;
}
.sk-prose p{font-size:17px;line-height:1.9;color:var(--sk-text-2);}
.sk-prose strong{color:var(--sk-text);font-weight:700;}
.sk-prose a{color:var(--sk-indigo-2);text-decoration:underline;text-underline-offset:3px;}
.sk-prose a:hover{color:var(--sk-orange);}
.sk-prose ul li{
  position:relative;padding-left:22px;margin-top:10px;
  font-size:16.5px;line-height:1.85;color:var(--sk-text-2);
}
.sk-prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--sk-orange);
}
.sk-prose ol{counter-reset:skcount;}
.sk-prose ol li{
  position:relative;padding-left:30px;margin-top:10px;
  font-size:16.5px;line-height:1.85;color:var(--sk-text-2);counter-increment:skcount;
}
.sk-prose ol li::before{
  content:counter(skcount);position:absolute;left:0;top:0;
  color:var(--sk-orange);font-weight:700;font-variant-numeric:tabular-nums;
}
.sk-prose blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--sk-orange);background:var(--sk-indigo-soft);
  border-radius:0 var(--sk-r-img) var(--sk-r-img) 0;
}
.sk-prose blockquote p{color:var(--sk-indigo);font-size:16.5px;}
.sk-prose img{border-radius:var(--sk-r-img);margin:26px 0;}
.sk-prose figure{margin:26px 0;}
.sk-prose figure img{margin:0;}
.sk-prose figcaption{font-size:14px;color:var(--sk-text-3);margin-top:10px;text-align:center;}
.sk-prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.sk-prose thead th{
  background:var(--sk-indigo-soft);color:var(--sk-indigo);font-weight:700;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--sk-line);
}
.sk-prose tbody td{padding:12px 14px;border-bottom:1px solid var(--sk-line);color:var(--sk-text-2);}
.sk-prose code{
  background:var(--sk-indigo-soft);color:var(--sk-indigo);
  padding:2px 7px;border-radius:6px;font-size:15px;
}
.sk-prose hr{border:0;border-top:1px solid var(--sk-line);margin:32px 0;}

.sk-empty{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  box-shadow:var(--sk-shadow);padding:56px 24px;text-align:center;
}
.sk-empty svg{width:56px;height:56px;color:var(--sk-text-3);margin:0 auto 16px;}
.sk-empty h2{font-size:20px;color:var(--sk-text);margin-bottom:10px;}
.sk-empty p{font-size:14.5px;color:var(--sk-text-2);margin-bottom:20px;}

/* ============ 侧栏 ============ */
.sk-sidebar{position:sticky;top:96px;}
.sk-side-card{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:22px;box-shadow:var(--sk-shadow);
}
.sk-side-card + .sk-side-card{margin-top:20px;}
.sk-side-title{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--sk-indigo);margin-bottom:14px;
}
.sk-side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sk-orange);}
.sk-toc a{
  display:block;padding:8px 0 8px 12px;font-size:14.5px;line-height:1.6;
  color:var(--sk-text-2);border-left:2px solid var(--sk-line);
}
.sk-toc a:hover{color:var(--sk-orange);border-left-color:var(--sk-orange);}
.sk-toc a.is-sub{padding-left:26px;font-size:13.5px;color:var(--sk-text-3);}
.sk-toc-note{font-size:13px;color:var(--sk-text-3);line-height:1.7;}
.sk-hot li + li{border-top:1px solid var(--sk-line);}
.sk-hot a{display:flex;gap:12px;padding:13px 0;font-size:15px;line-height:1.6;color:var(--sk-text);}
.sk-hot a:hover{color:var(--sk-orange);}
.sk-hot-num{
  flex:none;width:22px;font-weight:700;color:var(--sk-orange);
  font-variant-numeric:tabular-nums;font-size:14px;
}
.sk-side-cta{
  background:linear-gradient(160deg,#E4570F 0%,#C94A09 100%);
  border:0;color:#fff;
}
.sk-side-cta .sk-side-title{color:#fff;}
.sk-side-cta .sk-side-title::before{background:#FFD8BE;}
.sk-side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.9);margin-bottom:16px;}
.sk-side-cta .sk-btn{background:#fff;color:var(--sk-orange);font-weight:700;box-shadow:none;}
.sk-side-cta .sk-btn:hover{background:#FFF4EC;color:var(--sk-orange);transform:translateY(-2px);}

/* ============ 相关推荐 ============ */
.sk-related{margin-top:52px;padding-top:32px;border-top:1px solid var(--sk-line);}
.sk-related h2{
  position:relative;padding-left:16px;font-size:22px;color:var(--sk-text);margin-bottom:22px;
}
.sk-related h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--sk-orange);
}
.sk-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.sk-rel-card{
  display:block;background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);overflow:hidden;box-shadow:var(--sk-shadow);
  transition:transform .22s ease,box-shadow .22s ease;color:inherit;
}
.sk-rel-card:hover{transform:translateY(-4px);box-shadow:var(--sk-shadow-hover);color:inherit;}
.sk-rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sk-rel-body{padding:16px;}
.sk-rel-body h3{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--sk-text);}
.sk-rel-body .sk-rel-time{
  display:block;margin-top:10px;font-size:12.5px;color:var(--sk-text-3);
  font-variant-numeric:tabular-nums;
}
.sk-related-foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.sk-footer{
  background:var(--sk-indigo);color:#fff;margin-top:88px;
  padding:58px 0 26px;
}
.sk-footer .sk-brand{color:#fff;font-size:19px;}
.sk-footer .sk-brand em{color:#FFB27A;}
.sk-footer .sk-brand-mark{color:#FFB27A;}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.sk-footer h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.sk-footer-list li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.sk-footer-list li + li{margin-top:4px;}
.sk-footer-list a{color:rgba(255,255,255,.72);}
.sk-footer-list a:hover{color:#FFB27A;}
.sk-footer-desc{
  font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);
  margin-top:16px;max-width:330px;
}
.sk-footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
}
.sk-footer-bottom p{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sk-article-title{font-size:32px;}
  .sk-nav{gap:16px;}
}
@media (max-width:991.98px){
  .sk-navlinks,.sk-nav-actions{display:none;}
  .sk-burger{display:inline-flex;}
  .sk-sidebar{position:static;margin-top:28px;}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sk-footer{margin-top:64px;}
  .sk-article-title{font-size:29px;}
}
@media (max-width:767.98px){
  .sk-container{padding:0 16px;}
  .sk-nav{height:64px;}
  .sk-brand{font-size:17px;}
  .sk-brand-mark{width:24px;height:24px;}
  .sk-article-title{font-size:26px;line-height:1.35;}
  .sk-crumbs{font-size:12.5px;padding:16px 0 4px;}
  .sk-crumb-current{max-width:200px;}
  .sk-meta{gap:14px;font-size:12.5px;}
  .sk-prose{font-size:16px;}
  .sk-prose p{font-size:16px;}
  .sk-prose h2{font-size:21px;}
  .sk-prose h3{font-size:18px;}
  .sk-related-grid{grid-template-columns:1fr;}
  .sk-related{margin-top:36px;}
  .sk-footer-grid{grid-template-columns:1fr;gap:26px;}
  .sk-footer{padding:44px 0 22px;}
  .sk-footer-bottom{flex-direction:column;}
  .sk-side-card{padding:18px;}
  .sk-related-foot .sk-btn{width:100%;}
}
@media (max-width:520px){
  .sk-article-title{font-size:23px;}
  .sk-btn{min-height:44px;padding:0 16px;font-size:14.5px;}
  .sk-related-grid{gap:16px;}
}

/* roulang page: category1 */
:root{
  --sk-indigo:#1B2C63;
  --sk-indigo-2:#2F4A9E;
  --sk-indigo-soft:#EDF1FB;
  --sk-orange:#E4570F;
  --sk-orange-soft:#FDEDE4;
  --sk-cyan:#0E8F9E;
  --sk-cyan-soft:#E4F5F7;
  --sk-bg:#F6F8FC;
  --sk-card:#FFFFFF;
  --sk-line:#E4E9F2;
  --sk-text:#0F172A;
  --sk-text-2:#475569;
  --sk-text-3:#94A3B8;
  --sk-r-card:14px;
  --sk-r-btn:10px;
  --sk-r-img:12px;
  --sk-r-pill:999px;
  --sk-shadow:0 2px 4px rgba(16,24,40,.04), 0 12px 28px -12px rgba(27,44,99,.16);
  --sk-shadow-hover:0 4px 10px rgba(16,24,40,.06), 0 22px 40px -16px rgba(27,44,99,.26);
  --sk-gap:24px;
  --sk-sec:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;font-weight:700;line-height:1.28;}
h2{font-size:26px;}
h3{font-size:19px;font-weight:600;}
p{margin:0;}
a{color:var(--sk-indigo-2);text-decoration:none;transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;}
a:hover{color:var(--sk-orange);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--sk-cyan);outline-offset:2px;}

.sk-container{max-width:1200px;margin:0 auto;padding:0 24px;}
.sk-section{padding:var(--sk-sec) 0;}
.sk-section-tight{padding:56px 0;}

/* ---------- 导航 ---------- */
.sk-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--sk-line);
  transition:box-shadow .22s ease;
}
.sk-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(27,44,99,.35);}
.sk-nav{display:flex;align-items:center;gap:20px;height:72px;}
.sk-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--sk-indigo);letter-spacing:.02em;white-space:nowrap;
}
.sk-brand:hover{color:var(--sk-indigo);}
.sk-brand em{font-style:normal;color:var(--sk-orange);}
.sk-brand-mark{width:30px;height:30px;color:var(--sk-orange);flex:none;}
.sk-navlinks{display:flex;align-items:center;gap:4px;margin-left:auto;}
.sk-navlink{
  position:relative;padding:8px 14px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:600;color:var(--sk-text-2);
}
.sk-navlink:hover{color:var(--sk-indigo);background:var(--sk-indigo-soft);}
.sk-navlink.is-active{color:var(--sk-indigo);}
.sk-navlink.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--sk-orange);border-radius:2px;
}
.sk-nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.sk-burger{
  display:none;align-items:center;justify-content:center;margin-left:auto;
  width:44px;height:44px;border-radius:var(--sk-r-btn);
  border:1px solid var(--sk-line);background:#fff;color:var(--sk-indigo);
}
.sk-burger svg{width:22px;height:22px;}

.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--sk-r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.sk-btn-primary{background:var(--sk-orange);color:#fff;box-shadow:0 8px 18px -10px rgba(228,87,15,.75);}
.sk-btn-primary:hover{background:#C94909;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(228,87,15,.8);}
.sk-btn-primary:active{transform:translateY(0);}
.sk-btn-outline{background:#fff;color:var(--sk-indigo);border-color:var(--sk-indigo);}
.sk-btn-outline:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);transform:translateY(-2px);}
.sk-btn-ghost{background:transparent;color:var(--sk-indigo);border-color:transparent;text-decoration:underline;text-underline-offset:4px;}
.sk-btn-ghost:hover{color:var(--sk-orange);}
.sk-btn-block{width:100%;}
.sk-btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}

/* 抽屉 */
.sk-drawer{width:320px;background:#fff;}
.sk-drawer .offcanvas-header{
  padding:18px 20px;border-bottom:1px solid var(--sk-line);align-items:center;
}
.sk-drawer .offcanvas-body{padding:12px 12px 96px;display:flex;flex-direction:column;gap:4px;}
.sk-drawer-link{
  display:block;padding:14px 16px;border-radius:var(--sk-r-btn);
  font-size:17px;font-weight:600;color:var(--sk-text);border-bottom:1px solid var(--sk-line);
}
.sk-drawer-link:last-child{border-bottom:0;}
.sk-drawer-link.is-active{color:var(--sk-indigo);background:var(--sk-indigo-soft);}
.sk-drawer-foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px 22px;
  background:#fff;border-top:1px solid var(--sk-line);
}
.sk-drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--sk-line);background:#fff;border-radius:var(--sk-r-btn);color:var(--sk-text-2);
}
.sk-drawer-close svg{width:18px;height:18px;}

/* ---------- 面包屑 ---------- */
.sk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--sk-text-3);padding:16px 0 0;
}
.sk-breadcrumb a{color:var(--sk-text-2);}
.sk-breadcrumb a:hover{color:var(--sk-orange);}
.sk-breadcrumb .sep{color:var(--sk-text-3);}
.sk-breadcrumb .now{color:var(--sk-text-3);}

/* ---------- 顶部头区 ---------- */
.sk-subhero{
  background:var(--sk-indigo-soft);
  border-bottom:1px solid var(--sk-line);
  padding:8px 0 48px;
}
.sk-subhero-inner{padding-top:22px;}
.sk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--sk-r-pill);
  background:#fff;color:var(--sk-cyan);font-size:13px;font-weight:700;letter-spacing:.04em;
  border:1px solid rgba(14,143,158,.25);
}
.sk-subhero h1{
  font-size:38px;line-height:1.25;margin:18px 0 12px;color:var(--sk-indigo);max-width:820px;
}
.sk-subhero-lead{font-size:17px;color:var(--sk-text-2);max-width:720px;}
.sk-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:32px;}
.sk-stat-num{
  font-size:28px;font-weight:700;color:var(--sk-indigo);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.sk-stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--sk-cyan);margin-left:4px;}
.sk-stat-label{font-size:13px;color:var(--sk-text-2);margin-top:2px;}

/* ---------- 主体布局 ---------- */
.sk-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;}
.sk-blockhead{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;
}
.sk-blockhead h2{position:relative;padding-left:16px;color:var(--sk-indigo);}
.sk-blockhead h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:18px;border-radius:2px;background:var(--sk-orange);
}
.sk-blockhead p{font-size:14px;color:var(--sk-text-2);margin-top:6px;padding-left:16px;}
.sk-blockhead .sk-more{font-size:14px;font-weight:600;white-space:nowrap;}

/* ---------- 预告卡网格 ---------- */
.sk-cardgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sk-gap);}
.sk-livecard{
  display:block;background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);overflow:hidden;box-shadow:var(--sk-shadow);
  transition:transform .2s ease, box-shadow .2s ease;color:inherit;
}
.sk-livecard:hover{transform:translateY(-4px);box-shadow:var(--sk-shadow-hover);color:inherit;}
.sk-livecard-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sk-indigo-soft);}
.sk-livecard-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.sk-livecard:hover .sk-livecard-cover img{transform:scale(1.04);}
.sk-badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--sk-r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.sk-badge-orange{background:var(--sk-orange);color:#fff;}
.sk-badge-indigo{background:var(--sk-indigo);color:#fff;}
.sk-badge-cyan{background:var(--sk-cyan);color:#fff;}
.sk-timestamp{
  position:absolute;right:12px;bottom:12px;
  padding:5px 12px;border-radius:var(--sk-r-pill);
  background:rgba(15,23,42,.72);color:#fff;font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.sk-livecard-body{padding:18px 20px 20px;}
.sk-livecard-body h3{
  font-size:17px;line-height:1.5;color:var(--sk-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sk-livecard:hover h3{color:var(--sk-indigo);}
.sk-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:14px;font-size:13px;color:var(--sk-text-2);
}
.sk-tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--sk-r-pill);
  background:var(--sk-cyan-soft);color:var(--sk-cyan);font-size:12px;font-weight:700;
}
.sk-tag-indigo{background:var(--sk-indigo-soft);color:var(--sk-indigo-2);}
.sk-dot{width:4px;height:4px;border-radius:50%;background:var(--sk-text-3);}
.sk-cardlink{margin-left:auto;font-weight:700;color:var(--sk-orange);}

/* ---------- 侧栏 ---------- */
.sk-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.sk-sidecard{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:24px;box-shadow:var(--sk-shadow);
}
.sk-sidecard h3{font-size:18px;color:var(--sk-indigo);}
.sk-sidecard-sub{font-size:13px;color:var(--sk-text-2);margin-top:8px;line-height:1.7;}
.sk-sidecard p{font-size:14px;color:var(--sk-text-2);margin-top:10px;}
.sk-sidecard-dark{background:var(--sk-indigo);border-color:var(--sk-indigo);color:#fff;}
.sk-sidecard-dark h3{color:#fff;}
.sk-sidecard-dark .sk-sidecard-sub{color:rgba(255,255,255,.74);}
.sk-sidecard-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.sk-countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px;}
.sk-cd-cell{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:12px;padding:10px 4px;text-align:center;
}
.sk-cd-cell strong{
  display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;color:#fff;
}
.sk-cd-cell span{font-size:12px;color:rgba(255,255,255,.72);}
.sk-sidecard-dark .sk-countdown{color:#fff;}

/* ---------- 编号流程 ---------- */
.sk-steps{border-top:1px solid var(--sk-line);}
.sk-step{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;
  padding:22px 0;border-bottom:1px solid var(--sk-line);
}
.sk-step-num{
  font-size:22px;font-weight:700;color:var(--sk-orange);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.sk-step h3{font-size:18px;color:var(--sk-text);}
.sk-step p{font-size:15px;color:var(--sk-text-2);margin-top:6px;}

/* ---------- 订阅 ---------- */
.sk-subscribe{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:30px;box-shadow:var(--sk-shadow);
}
.sk-subscribe-form{display:flex;gap:12px;margin-top:20px;}
.sk-subscribe-form input{
  flex:1;min-height:48px;padding:12px 16px;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-btn);font-size:15px;color:var(--sk-text);background:#fff;
}
.sk-subscribe-form input::placeholder{color:var(--sk-text-3);}
.sk-subscribe-form input:focus{outline:none;border-color:var(--sk-indigo-2);box-shadow:0 0 0 3px var(--sk-indigo-soft);}
.sk-subscribe-note{font-size:12px;color:var(--sk-text-3);margin-top:12px;}
.sk-subscribe-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------- FAQ ---------- */
.sk-faq .accordion-item{
  background:#fff;border:1px solid var(--sk-line);border-radius:12px;
  overflow:hidden;margin-bottom:12px;
}
.sk-faq .accordion-button{
  font-size:16px;font-weight:600;color:var(--sk-text);
  background:#fff;padding:18px 20px;box-shadow:none;border:0;
  border-left:4px solid transparent;
}
.sk-faq .accordion-button:not(.collapsed){
  color:var(--sk-indigo);background:var(--sk-indigo-soft);border-left-color:var(--sk-orange);
}
.sk-faq .accordion-button::after{
  width:20px;height:20px;background-size:20px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5v14M5 12h14' fill='none' stroke='%231B2C63' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}
.sk-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--sk-cyan);outline-offset:-2px;}
.sk-faq .accordion-body{padding:2px 20px 20px;font-size:15px;color:var(--sk-text-2);line-height:1.85;}

/* ---------- CTA 带 ---------- */
.sk-cta-band{
  position:relative;overflow:hidden;border-radius:var(--sk-r-card);
  padding:52px 44px;color:#fff;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.sk-cta-band::before{content:"";position:absolute;inset:0;background:rgba(27,44,99,.9);}
.sk-cta-band > *{position:relative;}
.sk-cta-band h2{font-size:30px;color:#fff;max-width:640px;}
.sk-cta-band p{font-size:16px;color:rgba(255,255,255,.78);margin-top:14px;max-width:620px;}
.sk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.sk-cta-band .sk-btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.sk-cta-band .sk-btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 页脚 ---------- */
.sk-footer{background:var(--sk-indigo);color:#fff;margin-top:12px;}
.sk-footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px;
  padding:64px 0 40px;
}
.sk-footer h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.sk-footer .sk-brand{color:#fff;font-size:19px;}
.sk-footer .sk-brand em{color:#FFB27A;}
.sk-footer-desc{font-size:14px;color:rgba(255,255,255,.72);margin-top:14px;line-height:1.8;}
.sk-footer-list li{margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;}
.sk-footer-list a{color:rgba(255,255,255,.78);}
.sk-footer-list a:hover{color:#FFB27A;}
.sk-footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.sk-footer-bottom p{font-size:13px;color:rgba(255,255,255,.7);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sk-subhero h1{font-size:34px;}
  .sk-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
}
@media (max-width:991px){
  :root{--sk-sec:64px;}
  .sk-navlinks,.sk-nav-actions{display:none;}
  .sk-burger{display:inline-flex;}
  .sk-layout{grid-template-columns:minmax(0,1fr);}
  .sk-side{position:static;}
  .sk-subhero h1{font-size:30px;}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
}
@media (max-width:767px){
  :root{--sk-sec:56px;}
  .sk-container{padding:0 16px;}
  .sk-subhero{padding:4px 0 36px;}
  .sk-subhero h1{font-size:27px;}
  .sk-subhero-lead{font-size:15px;}
  .sk-stats{gap:26px;margin-top:24px;}
  .sk-stat-num{font-size:23px;}
  .sk-cardgrid{grid-template-columns:minmax(0,1fr);}
  .sk-livecard-body{padding:16px;}
  .sk-subscribe{padding:20px;}
  .sk-subscribe-form{flex-direction:column;}
  .sk-subscribe-form .sk-btn{width:100%;}
  .sk-cta-band{padding:36px 22px;}
  .sk-cta-band h2{font-size:24px;}
  .sk-cta-actions .sk-btn{width:100%;}
  .sk-step{grid-template-columns:48px minmax(0,1fr);gap:12px;}
  .sk-footer-grid{grid-template-columns:1fr;}
  .sk-footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .sk-brand{font-size:17px;}
  .sk-brand-mark{width:26px;height:26px;}
  .sk-blockhead{flex-direction:column;align-items:flex-start;}
  .sk-cd-cell strong{font-size:19px;}
  .sk-countdown{gap:8px;}
}

/* roulang page: category3 */
:root{
  --sk-indigo:#1B2C63;
  --sk-indigo-2:#2F4A9E;
  --sk-indigo-soft:#EDF1FB;
  --sk-orange:#E4570F;
  --sk-orange-soft:#FDEDE4;
  --sk-cyan:#0E8F9E;
  --sk-cyan-soft:#E4F5F7;
  --sk-bg:#F6F8FC;
  --sk-card:#FFFFFF;
  --sk-line:#E4E9F2;
  --sk-text:#0F172A;
  --sk-text-2:#475569;
  --sk-text-3:#94A3B8;
  --sk-r-card:14px;
  --sk-r-btn:10px;
  --sk-r-img:12px;
  --sk-r-pill:999px;
  --sk-shadow:0 2px 4px rgba(16,24,40,.04), 0 12px 28px -12px rgba(27,44,99,.16);
  --sk-shadow-lg:0 6px 12px rgba(16,24,40,.06), 0 22px 40px -16px rgba(27,44,99,.24);
  --sk-gap:24px;
  --sk-section:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--sk-text);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--sk-indigo-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
a:hover{color:var(--sk-orange);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--sk-cyan);outline-offset:2px;border-radius:6px;}
.sk-num{font-variant-numeric:tabular-nums;font-weight:700;}

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

/* 通用按钮 */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--sk-r-btn);
  font-size:16px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.sk-btn-primary{background:var(--sk-orange);color:#fff;border-color:var(--sk-orange);font-size:17px;}
.sk-btn-primary:hover{background:#c94a09;border-color:#c94a09;color:#fff;transform:translateY(-2px);box-shadow:0 12px 22px -10px rgba(228,87,15,.65);}
.sk-btn-outline{background:#fff;color:var(--sk-indigo);border-color:var(--sk-indigo);}
.sk-btn-outline:hover{background:var(--sk-indigo-soft);color:var(--sk-indigo);transform:translateY(-2px);}
.sk-btn-ghost{background:transparent;color:#fff;padding:0;min-height:auto;border:0;border-bottom:2px solid rgba(255,255,255,.6);border-radius:0;}
.sk-btn-ghost:hover{color:#fff;border-bottom-color:#fff;}
.sk-btn-lg{min-height:50px;padding:0 28px;font-size:17px;}

/* 顶部导航 */
.sk-header{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--sk-line);transition:box-shadow .25s ease;
}
.sk-header.is-scrolled{box-shadow:0 8px 24px -14px rgba(27,44,99,.35);}
.sk-nav{display:flex;align-items:center;gap:28px;height:72px;}
.sk-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--sk-indigo);letter-spacing:.02em;flex:0 0 auto;}
.sk-brand:hover{color:var(--sk-indigo);}
.sk-brand em{font-style:normal;color:var(--sk-orange);}
.sk-brand-mark{width:30px;height:30px;flex:0 0 auto;color:var(--sk-indigo);}
.sk-navlinks{display:flex;align-items:center;gap:26px;margin-left:6px;flex:1 1 auto;}
.sk-navlink{
  position:relative;display:inline-block;padding:25px 0 22px;
  font-size:16px;font-weight:500;color:var(--sk-text-2);
}
.sk-navlink::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:3px;
  background:transparent;transition:background-color .2s ease;
}
.sk-navlink:hover{color:var(--sk-indigo);}
.sk-navlink.is-active{color:var(--sk-indigo);font-weight:700;}
.sk-navlink.is-active::after{background:var(--sk-orange);}
.sk-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.sk-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--sk-indigo-soft);border:0;border-radius:var(--sk-r-btn);color:var(--sk-indigo);
}
.sk-burger svg{width:24px;height:24px;}

/* 抽屉导航 */
.sk-drawer{width:320px;border:0;}
.sk-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--sk-line);}
.sk-drawer .offcanvas-body{padding:12px 20px 20px;display:flex;flex-direction:column;}
.sk-drawer-link{
  display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--sk-text);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer-link.is-active{color:var(--sk-orange);}
.sk-drawer-cta{margin-top:24px;display:grid;gap:12px;}
.sk-drawer-cta .sk-btn{min-height:48px;width:100%;}

/* 面包屑 */
.sk-crumb{background:#fff;border-bottom:1px solid var(--sk-line);}
.sk-crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--sk-text-2);}
.sk-crumb a{color:var(--sk-text-2);}
.sk-crumb a:hover{color:var(--sk-orange);}
.sk-crumb .sk-sep{color:var(--sk-text-3);}
.sk-crumb .sk-current{color:var(--sk-text-3);}

/* 头区 */
.sk-hero{background:var(--sk-indigo-soft);border-bottom:1px solid var(--sk-line);position:relative;overflow:hidden;}
.sk-hero::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(14,143,158,.16),rgba(237,241,251,0) 68%);
  pointer-events:none;
}
.sk-hero-inner{position:relative;z-index:1;padding:56px 0 52px;max-width:860px;}
.sk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--sk-r-pill);
  background:#fff;color:var(--sk-indigo);font-size:13px;font-weight:700;letter-spacing:.04em;
  box-shadow:0 2px 6px rgba(27,44,99,.08);
}
.sk-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--sk-orange);display:inline-block;}
.sk-hero h1{font-size:40px;line-height:1.25;margin:18px 0 14px;}
.sk-hero-lead{font-size:17px;line-height:1.85;color:var(--sk-text-2);max-width:720px;margin:0;}
.sk-hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.sk-stat{
  flex:1 1 200px;min-width:180px;background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:18px 20px;box-shadow:var(--sk-shadow);
}
.sk-stat-num{font-size:28px;line-height:1.2;color:var(--sk-cyan);font-variant-numeric:tabular-nums;font-weight:700;}
.sk-stat-num span{font-size:15px;color:var(--sk-text-2);font-weight:600;margin-left:4px;}
.sk-stat-label{font-size:13px;color:var(--sk-text-2);margin-top:4px;}

/* 板块 */
.sk-section{padding:var(--sk-section) 0;}
.sk-section-tight{padding:64px 0;}
.sk-section-white{background:#fff;border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);}
.sk-section-head{max-width:760px;margin-bottom:44px;}
.sk-section-head h2,.sk-h2{font-size:26px;line-height:1.4;display:flex;align-items:center;gap:12px;}
.sk-section-head h2::before,.sk-h2::before{
  content:"";width:4px;height:20px;border-radius:2px;background:var(--sk-orange);flex:0 0 auto;
}
.sk-section-sub{margin-top:12px;color:var(--sk-text-2);font-size:16px;}

/* 图文交替 */
.sk-alter{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.sk-alter + .sk-alter{margin-top:64px;}
.sk-alter-media{position:relative;border-radius:var(--sk-r-img);overflow:hidden;box-shadow:var(--sk-shadow);}
.sk-alter-media img{border-radius:var(--sk-r-img);width:100%;aspect-ratio:16/10;object-fit:cover;}
.sk-alter-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,44,99,0) 55%,rgba(27,44,99,.42));
}
.sk-alter-order{order:2;}
.sk-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--sk-r-pill);
  font-size:13px;font-weight:700;background:var(--sk-cyan-soft);color:var(--sk-cyan);
}
.sk-tag-orange{background:var(--sk-orange-soft);color:var(--sk-orange);}
.sk-tag-indigo{background:var(--sk-indigo-soft);color:var(--sk-indigo-2);}
.sk-alter-body h3{font-size:22px;line-height:1.45;margin:16px 0 12px;}
.sk-alter-body p{color:var(--sk-text-2);}
.sk-checks{margin-top:18px;display:grid;gap:12px;}
.sk-checks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--sk-text-2);}
.sk-checks svg{width:19px;height:19px;flex:0 0 auto;margin-top:5px;color:var(--sk-orange);}
.sk-inline-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:700;color:var(--sk-indigo-2);border-bottom:2px solid var(--sk-indigo-soft);padding-bottom:2px;}
.sk-inline-link:hover{color:var(--sk-orange);border-bottom-color:var(--sk-orange-soft);}
.sk-inline-link svg{width:16px;height:16px;}

/* 步骤列表 */
.sk-steps{border-top:1px solid var(--sk-line);}
.sk-step{
  display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--sk-line);
}
.sk-step-no{font-size:24px;color:var(--sk-orange);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.04em;}
.sk-step h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.sk-step p{color:var(--sk-text-2);font-size:15px;margin:0;}

/* 自查卡片 */
.sk-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sk-gap);}
.sk-card{
  background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:26px 24px;box-shadow:var(--sk-shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sk-card:hover{transform:translateY(-4px);box-shadow:var(--sk-shadow-lg);border-color:#d3dcef;}
.sk-card-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--sk-indigo-soft);color:var(--sk-indigo);margin-bottom:16px;
}
.sk-card-icon svg{width:22px;height:22px;}
.sk-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.sk-card p{font-size:15px;color:var(--sk-text-2);margin:0;}

/* FAQ */
.sk-faq{display:grid;gap:14px;max-width:900px;}
.sk-faq-item{
  background:#fff;border:1px solid var(--sk-line);border-radius:12px;overflow:hidden;
  box-shadow:0 2px 4px rgba(16,24,40,.03);transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-faq-item.is-open{border-color:#cfd9ee;box-shadow:var(--sk-shadow);}
.sk-faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--sk-text);position:relative;
}
.sk-faq-btn::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .2s ease;
}
.sk-faq-btn[aria-expanded="true"]{color:var(--sk-indigo);font-weight:700;}
.sk-faq-btn[aria-expanded="true"]::before{background:var(--sk-orange);}
.sk-faq-icon{width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--sk-indigo-soft);color:var(--sk-indigo);display:flex;align-items:center;justify-content:center;transition:transform .25s ease,background-color .25s ease,color .25s ease;}
.sk-faq-icon svg{width:14px;height:14px;}
.sk-faq-btn[aria-expanded="true"] .sk-faq-icon{background:var(--sk-orange);color:#fff;transform:rotate(45deg);}
.sk-faq-body{padding:0 22px 22px 22px;color:var(--sk-text-2);font-size:15.5px;line-height:1.9;}

/* CTA */
.sk-cta{
  position:relative;background:var(--sk-indigo);color:#fff;border-radius:18px;overflow:hidden;
  padding:48px 44px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:0 18px 42px -20px rgba(27,44,99,.6);
}
.sk-cta::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.2;mix-blend-mode:luminosity;
}
.sk-cta > *{position:relative;z-index:1;}
.sk-cta h2{color:#fff;font-size:26px;line-height:1.45;}
.sk-cta p{color:rgba(255,255,255,.82);margin-top:12px;}
.sk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.sk-cta .sk-btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.sk-cta .sk-btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

/* 提示条 */
.sk-note{
  display:flex;gap:12px;align-items:flex-start;background:var(--sk-cyan-soft);border-radius:12px;
  padding:16px 18px;font-size:14.5px;color:#0b5f6a;line-height:1.8;
}
.sk-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;}

/* 页脚 */
.sk-footer{background:var(--sk-indigo);color:#fff;margin-top:0;padding:64px 0 28px;}
.sk-footer .sk-brand{color:#fff;font-size:19px;}
.sk-footer .sk-brand em{color:#ffb98f;}
.sk-footer .sk-brand-mark{color:#fff;}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.sk-footer h3{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700;}
.sk-footer-desc{color:rgba(255,255,255,.75);font-size:14px;margin-top:16px;line-height:1.8;}
.sk-footer-list{display:grid;gap:10px;}
.sk-footer-list a{color:rgba(255,255,255,.78);font-size:14px;}
.sk-footer-list a:hover{color:#fff;}
.sk-footer-list span{color:rgba(255,255,255,.7);font-size:13px;line-height:1.8;display:block;}
.sk-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.sk-footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.7);}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sk-section:72px;}
  .sk-container{padding:0 20px;}
  .sk-alter{gap:40px;}
}
@media (max-width:991.98px){
  :root{--sk-section:64px;}
  .sk-navlinks,.sk-nav-actions{display:none;}
  .sk-burger{display:inline-flex;margin-left:auto;}
  .sk-hero h1{font-size:30px;}
  .sk-hero-inner{padding:44px 0 42px;}
  .sk-alter{grid-template-columns:1fr;gap:24px;}
  .sk-alter-order{order:0;}
  .sk-cards{grid-template-columns:1fr;}
  .sk-cta{grid-template-columns:1fr;padding:36px 28px;}
  .sk-cta-actions{justify-content:flex-start;}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sk-step{grid-template-columns:72px 1fr;gap:16px;}
}
@media (max-width:767.98px){
  :root{--sk-section:56px;--sk-gap:16px;}
  .sk-container{padding:0 16px;}
  .sk-brand{font-size:17px;}
  .sk-hero h1{font-size:26px;}
  .sk-hero-lead{font-size:15.5px;}
  .sk-hero-stats{gap:12px;}
  .sk-stat{flex:1 1 100%;padding:16px;}
  .sk-section-head{margin-bottom:28px;}
  .sk-section-head h2,.sk-h2,.sk-cta h2{font-size:22px;}
  .sk-card{padding:18px 16px;}
  .sk-cta{padding:28px 18px;border-radius:14px;}
  .sk-cta-actions .sk-btn{width:100%;}
  .sk-step{grid-template-columns:1fr;gap:8px;padding:20px 0;}
  .sk-step-no{font-size:20px;}
  .sk-footer{padding:48px 0 24px;}
  .sk-footer-grid{grid-template-columns:1fr;gap:26px;}
  .sk-footer-bottom{flex-direction:column;}
  .sk-crumb-inner{font-size:13px;}
}

/* roulang page: category2 */
:root{
  --sk-ink:#1B2C63;
  --sk-ink-2:#2F4A9E;
  --sk-ink-soft:#EDF1FB;
  --sk-orange:#E4570F;
  --sk-orange-soft:#FDEDE4;
  --sk-orange-deep:#B4420B;
  --sk-teal:#0E8F9E;
  --sk-teal-soft:#E4F5F7;
  --sk-bg:#F6F8FC;
  --sk-card:#FFFFFF;
  --sk-line:#E4E9F2;
  --sk-text:#0F172A;
  --sk-text-2:#475569;
  --sk-text-3:#94A3B8;
  --sk-r-card:14px;
  --sk-r-btn:10px;
  --sk-r-img:12px;
  --sk-shadow:0 2px 4px rgba(16,24,40,.04),0 12px 28px -12px rgba(27,44,99,.16);
  --sk-shadow-lg:0 6px 10px rgba(16,24,40,.05),0 22px 42px -16px rgba(27,44,99,.24);
  --sk-font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sk-font);
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--sk-ink-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--sk-orange)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;color:var(--sk-ink);line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--sk-teal);outline-offset:2px;border-radius:4px}
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sk-num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- header ---------- */
.sk-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--sk-line);
  transition:box-shadow .25s ease;
}
.sk-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(27,44,99,.55)}
.sk-nav{display:flex;align-items:center;gap:20px;min-height:72px}
.sk-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--sk-ink);letter-spacing:.02em;white-space:nowrap;
}
.sk-brand:hover{color:var(--sk-ink)}
.sk-brand em{font-style:normal;color:var(--sk-orange)}
.sk-brand-mark{width:28px;height:28px;flex:none;color:var(--sk-ink)}
.sk-navlinks{display:flex;align-items:center;gap:4px;margin-left:auto}
.sk-navlink{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:9px;
  font-size:15.5px;font-weight:600;color:var(--sk-text-2);
  transition:background .2s ease,color .2s ease;
}
.sk-navlink:hover{color:var(--sk-ink);background:var(--sk-ink-soft)}
.sk-navlink.is-active{color:var(--sk-ink)}
.sk-navlink.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:3px;background:var(--sk-orange);
}
.sk-nav-actions{display:flex;align-items:center;gap:10px;margin-left:10px}
.sk-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  border:1px solid var(--sk-line);border-radius:10px;background:#fff;color:var(--sk-ink);
  cursor:pointer;transition:.2s ease;
}
.sk-burger:hover{background:var(--sk-ink-soft)}
.sk-burger svg{width:22px;height:22px}

/* ---------- buttons ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--sk-r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.sk-btn-primary{background:var(--sk-orange);color:#fff;box-shadow:0 10px 22px -16px rgba(228,87,15,.95)}
.sk-btn-primary:hover{background:#c74a0c;color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(228,87,15,1)}
.sk-btn-primary:active{transform:translateY(0)}
.sk-btn-outline{background:#fff;color:var(--sk-ink);border-color:var(--sk-ink-2)}
.sk-btn-outline:hover{background:var(--sk-ink-soft);color:var(--sk-ink);transform:translateY(-2px)}
.sk-btn-ghost{background:transparent;color:var(--sk-ink);border-color:transparent;text-decoration:underline;text-underline-offset:4px}
.sk-btn-ghost:hover{color:var(--sk-orange)}
.sk-btn-lg{min-height:50px;font-size:17px;padding:0 28px}
.sk-btn-block{width:100%}
.sk-btn-light{background:#fff;color:var(--sk-ink);border-color:#fff}
.sk-btn-light:hover{background:var(--sk-ink-soft);color:var(--sk-ink);transform:translateY(-2px)}

/* ---------- offcanvas drawer ---------- */
.sk-drawer{--bs-offcanvas-width:340px;--bs-offcanvas-bg:#fff;border-left:1px solid var(--sk-line)}
.sk-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--sk-line)}
.sk-drawer .offcanvas-body{padding:8px 20px 0}
.sk-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 0;font-size:17px;font-weight:600;color:var(--sk-text);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer-link:hover{color:var(--sk-orange)}
.sk-drawer-link.is-active{color:var(--sk-orange)}
.sk-drawer-foot{padding:18px 20px 24px;border-top:1px solid var(--sk-line);display:flex;flex-direction:column;gap:10px}
.sk-drawer-foot .sk-btn{min-height:48px;width:100%}

/* ---------- page head ---------- */
.sk-pagehead{
  position:relative;padding:52px 0 44px;
  background-color:var(--sk-ink-soft);
  background-image:linear-gradient(100deg,rgba(237,241,251,.97) 30%,rgba(237,241,251,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--sk-line);
}
.sk-pagehead-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:end}
.sk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--sk-orange-soft);color:var(--sk-orange-deep);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.sk-h1{font-size:38px;font-weight:700;line-height:1.25;margin:16px 0 12px}
.sk-lead{font-size:16.5px;line-height:1.8;color:var(--sk-text-2);max-width:640px}
.sk-stats{display:flex;gap:34px;flex-wrap:wrap;justify-content:flex-end}
.sk-stat{min-width:96px}
.sk-stat strong{display:block;font-size:30px;line-height:1.2;color:var(--sk-ink);font-variant-numeric:tabular-nums}
.sk-stat span{font-size:13px;color:var(--sk-text-3);letter-spacing:.02em}

/* ---------- breadcrumbs ---------- */
.sk-crumbs{padding:18px 0 0;font-size:13.5px;color:var(--sk-text-3)}
.sk-crumbs a{color:var(--sk-text-2)}
.sk-crumbs a:hover{color:var(--sk-orange)}
.sk-crumbs em{font-style:normal;margin:0 8px;color:var(--sk-text-3)}
.sk-crumbs span{color:var(--sk-text-3)}

/* ---------- sections ---------- */
.sk-section{padding:72px 0}
.sk-section-alt{background:#fff;border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line)}
.sk-section-head{margin-bottom:36px;max-width:760px}
.sk-h2{
  position:relative;padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.35;
}
.sk-h2::before{
  content:"";position:absolute;left:0;top:.24em;
  width:4px;height:18px;border-radius:2px;background:var(--sk-orange);
}
.sk-section-desc{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--sk-text-2)}

/* ---------- tags ---------- */
.sk-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;background:var(--sk-ink-soft);color:var(--sk-ink-2);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.sk-tag-orange{background:var(--sk-orange-soft);color:var(--sk-orange-deep)}
.sk-tag-teal{background:var(--sk-teal-soft);color:#0A7280}

/* ---------- timeline ---------- */
.sk-timeline{position:relative}
.sk-tl-item{display:flex;gap:26px;position:relative}
.sk-tl-item + .sk-tl-item{margin-top:26px}
.sk-tl-rail{flex:0 0 96px;position:relative;text-align:right;padding-top:14px}
.sk-tl-rail strong{
  display:block;font-size:17px;font-weight:700;color:var(--sk-ink);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.sk-tl-rail span{display:block;font-size:13px;color:var(--sk-text-3)}
.sk-tl-rail::after{
  content:"";position:absolute;right:-13px;top:20px;
  width:12px;height:12px;border-radius:50%;
  background:var(--sk-orange);box-shadow:0 0 0 4px var(--sk-orange-soft);
}
.sk-tl-item:not(:last-child) .sk-tl-rail::before{
  content:"";position:absolute;right:-8px;top:38px;bottom:-30px;
  width:2px;background:var(--sk-line);
}
.sk-tl-card{
  flex:1 1 auto;min-width:0;
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:20px 22px;
  box-shadow:var(--sk-shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sk-tl-card:hover{transform:translateY(-4px);box-shadow:var(--sk-shadow-lg);border-color:#D6DEF2}
.sk-tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.sk-tl-time{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  background:var(--sk-teal-soft);color:#0A7280;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.sk-tl-time svg{width:14px;height:14px}
.sk-h3{font-size:19.5px;font-weight:600;line-height:1.5;color:var(--sk-ink)}
.sk-tl-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--sk-text-2)}
.sk-tl-foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--sk-line);
}
.sk-tl-tags{display:flex;gap:8px;flex-wrap:wrap}
.sk-link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--sk-orange);
}
.sk-link-more svg{width:15px;height:15px;transition:transform .2s ease}
.sk-link-more:hover{color:#c74a0c}
.sk-link-more:hover svg{transform:translateX(3px)}

/* ---------- angles ---------- */
.sk-angles{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center}
.sk-figure{margin:0}
.sk-figure img{width:100%;border-radius:var(--sk-r-img);box-shadow:var(--sk-shadow);object-fit:cover;aspect-ratio:4/3}
.sk-figure figcaption{margin-top:12px;font-size:13px;color:var(--sk-text-3)}
.sk-angle-list{display:flex;flex-direction:column}
.sk-angle{
  display:grid;grid-template-columns:52px 1fr;gap:16px;
  padding:20px 0;border-bottom:1px solid var(--sk-line);
}
.sk-angle:first-child{padding-top:0}
.sk-angle:last-child{border-bottom:0;padding-bottom:0}
.sk-angle-num{
  font-size:22px;font-weight:700;color:var(--sk-orange);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.sk-angle h3{font-size:18px;font-weight:600;margin-bottom:6px}
.sk-angle p{font-size:14.5px;line-height:1.8;color:var(--sk-text-2)}

/* ---------- stats band ---------- */
.sk-band{
  background:var(--sk-ink);color:#fff;border-radius:18px;
  padding:36px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.sk-band-item strong{
  display:block;font-size:30px;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;font-weight:700;
}
.sk-band-item span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.72)}
.sk-band-item{border-left:2px solid rgba(255,255,255,.16);padding-left:18px}
.sk-band-item:first-child{border-left:2px solid var(--sk-orange)}

/* ---------- table ---------- */
.sk-table-wrap{overflow-x:auto;border-radius:var(--sk-r-card);box-shadow:var(--sk-shadow)}
.sk-table{
  width:100%;min-width:680px;border-collapse:separate;border-spacing:0;
  background:#fff;font-size:15px;
}
.sk-table th{
  background:var(--sk-ink-soft);color:var(--sk-ink);
  font-size:14.5px;font-weight:700;text-align:left;
  padding:15px 18px;white-space:nowrap;
}
.sk-table td{
  padding:16px 18px;border-top:1px solid var(--sk-line);
  color:var(--sk-text-2);line-height:1.7;vertical-align:top;
}
.sk-table tbody tr{transition:background .2s ease}
.sk-table tbody tr:hover td{background:#FAFBFF}
.sk-table td strong{color:var(--sk-ink);font-weight:700}

/* ---------- faq ---------- */
.sk-faq .accordion-item{
  border:1px solid var(--sk-line);border-radius:12px;overflow:hidden;
  background:#fff;margin-bottom:12px;box-shadow:0 2px 4px rgba(16,24,40,.03);
}
.sk-faq .accordion-item:last-child{margin-bottom:0}
.sk-faq .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 20px;background:#fff;border:0;
  font-size:17px;font-weight:600;color:var(--sk-ink);text-align:left;
  box-shadow:none;transition:background .2s ease,box-shadow .2s ease;
}
.sk-faq .accordion-button:hover{background:#FAFBFF}
.sk-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--sk-teal);outline-offset:-2px}
.sk-faq .accordion-button::after{display:none}
.sk-faq .accordion-button:not(.collapsed){background:#fff;box-shadow:inset 4px 0 0 var(--sk-orange);font-weight:700}
.sk-faq .accordion-button:not(.collapsed) .sk-faq-q{color:var(--sk-ink)}
.sk-faq-ico{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--sk-ink-soft);color:var(--sk-ink);
}
.sk-faq-ico svg{width:14px;height:14px}
.sk-faq .accordion-button:not(.collapsed) .sk-faq-ico{background:var(--sk-orange-soft);color:var(--sk-orange-deep)}
.sk-faq .i-minus{display:none}
.sk-faq .accordion-button:not(.collapsed) .i-plus{display:none}
.sk-faq .accordion-button:not(.collapsed) .i-minus{display:block}
.sk-faq .accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--sk-text-2)}

/* ---------- cta ---------- */
.sk-cta{
  position:relative;overflow:hidden;
  background:var(--sk-ink);border-radius:20px;
  padding:48px 44px;color:#fff;
}
.sk-cta::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(228,87,15,.16);
}
.sk-cta::after{
  content:"";position:absolute;right:70px;bottom:-90px;
  width:180px;height:180px;border-radius:50%;
  background:rgba(14,143,158,.16);
}
.sk-cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.sk-cta h2{color:#fff;font-size:26px;font-weight:700;max-width:620px}
.sk-cta p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.76);max-width:620px;line-height:1.8}
.sk-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.sk-footer{background:var(--sk-ink);color:#fff;margin-top:88px;padding:64px 0 28px}
.sk-footer .sk-brand{color:#fff}
.sk-footer .sk-brand:hover{color:#fff}
.sk-footer .sk-brand-mark{color:#fff}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
.sk-footer h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;
}
.sk-footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:320px}
.sk-footer-list li{margin-bottom:11px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.7)}
.sk-footer-list a{color:rgba(255,255,255,.82)}
.sk-footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.sk-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.sk-footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .sk-container{padding:0 20px}
  .sk-h1{font-size:34px}
  .sk-angles{gap:32px}
  .sk-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .sk-footer-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .sk-navlinks,.sk-nav-actions{display:none}
  .sk-burger{display:inline-flex}
  .sk-nav{min-height:64px}
  .sk-pagehead{padding:40px 0 34px}
  .sk-pagehead-grid{grid-template-columns:1fr;gap:26px;align-items:start}
  .sk-stats{justify-content:flex-start;gap:28px}
  .sk-section{padding:56px 0}
  .sk-angles{grid-template-columns:1fr;gap:28px}
  .sk-band{grid-template-columns:repeat(2,1fr);padding:30px 28px;gap:22px}
  .sk-cta{padding:38px 28px}
  .sk-footer{padding:52px 0 24px;margin-top:64px}
  .sk-footer-grid{grid-template-columns:1fr 1fr}
  .sk-footer-grid > div:last-child{grid-column:auto}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .sk-container{padding:0 16px}
  .sk-h1{font-size:27px}
  .sk-h2{font-size:22px}
  .sk-h3{font-size:18px}
  .sk-lead{font-size:15.5px}
  .sk-stat strong{font-size:25px}
  .sk-section{padding:48px 0}
  .sk-section-head{margin-bottom:26px}
  .sk-tl-item{flex-direction:column;gap:10px}
  .sk-tl-item + .sk-tl-item{margin-top:22px}
  .sk-tl-rail{flex:none;padding-top:0;text-align:left;display:flex;align-items:center;gap:10px}
  .sk-tl-rail strong{display:inline;font-size:16px}
  .sk-tl-rail span{display:inline}
  .sk-tl-rail::after{position:static;width:8px;height:8px;box-shadow:0 0 0 3px var(--sk-orange-soft)}
  .sk-tl-item:not(:last-child) .sk-tl-rail::before{display:none}
  .sk-tl-card{padding:16px}
  .sk-tl-foot{flex-direction:column;align-items:flex-start;gap:10px}
  .sk-band{grid-template-columns:1fr;padding:26px 22px}
  .sk-band-item{border-left:0;border-top:2px solid rgba(255,255,255,.16);padding:14px 0 0;padding-left:0}
  .sk-band-item:first-child{border-top:2px solid var(--sk-orange)}
  .sk-faq .accordion-button{font-size:16px;padding:16px}
  .sk-cta{padding:32px 22px;border-radius:16px}
  .sk-cta h2{font-size:21px}
  .sk-cta-actions{width:100%}
  .sk-cta-actions .sk-btn{width:100%}
  .sk-footer{padding:44px 0 22px;margin-top:56px}
  .sk-footer-grid{grid-template-columns:1fr;gap:26px}
  .sk-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}