/* roulang page: index */
:root{
  --brand:#1652CE;
  --brand-deep:#0E3A96;
  --brand-tint:#E8F0FE;
  --accent:#FF7A2F;
  --teal:#12B3A6;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E6ECF5;
  --text:#1F2A37;
  --muted:#5B6B82;
  --disabled:#9AA7B8;
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --sh-sm:0 1px 2px rgba(16,42,80,.06);
  --sh-md:0 8px 24px rgba(16,42,80,.08);
  --sh-lg:0 18px 48px rgba(16,42,80,.12);
  --sec:80px;
  --ticker-h:40px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(22,82,206,.30);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.section--tint{background:var(--brand-tint)}
.section-head{margin-bottom:36px;max-width:760px}
.section-num{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);background:var(--brand-tint);border-radius:999px;
  padding:4px 12px;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.section-title{
  font-size:28px;font-weight:600;line-height:1.35;position:relative;padding-left:16px;color:var(--text);
}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8}
.eyebrow{font-size:13px;color:var(--muted);letter-spacing:.06em}

/* ---------- 顶部活动条 ---------- */
.ticker{
  position:sticky;top:0;z-index:60;height:var(--ticker-h);
  background:var(--brand-deep);color:#fff;display:flex;align-items:center;
}
.ticker .container{display:flex;align-items:center;gap:16px;height:100%}
.ticker__tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.14);border-radius:999px;padding:3px 12px;white-space:nowrap;
}
.ticker__tag i{font-size:11px;color:var(--accent)}
.ticker__time{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.88);white-space:nowrap;overflow:hidden}
.ticker__num{
  font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent);
  font-size:15px;min-width:26px;display:inline-block;text-align:center;
}
.ticker__unit{color:rgba(255,255,255,.6);font-size:12px;margin-right:4px}
.ticker__spacer{flex:1}
.ticker__close{
  background:none;border:0;color:rgba(255,255,255,.7);cursor:pointer;font-size:13px;
  width:28px;height:28px;line-height:1;border-radius:8px;transition:all .18s ease;
}
.ticker__close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:var(--ticker-h);z-index:55;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;flex-direction:column;line-height:1.15;color:var(--text);flex-shrink:0}
.logo:hover{color:var(--brand)}
.logo__main{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo__sub{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px;font-weight:500}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{
  font-size:15px;color:var(--text);padding:9px 14px;border-radius:999px;
  position:relative;transition:all .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.nav-link.is-active::after{display:none}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  position:relative;display:flex;align-items:center;gap:8px;height:40px;width:220px;
  background:#fff;border:1px solid #D8E1EF;border-radius:var(--r-btn);padding:0 12px;
  transition:width .24s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{width:280px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,82,206,.12)}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{
  border:0;outline:0;background:none;flex:1;min-width:0;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--disabled)}
.search-kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:#F7F9FC;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid #D8E1EF;background:#fff;
  color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-tint)}
.hamburger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn--sm{height:40px;padding:0 18px;font-size:14.5px}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand-tint);color:var(--brand-deep);transform:translateY(-1px)}
.btn--link{background:none;border:0;color:var(--brand);padding:0;height:auto;font-size:15px}
.btn--link i{transition:transform .18s ease}
.btn--link:hover{color:var(--brand-deep)}
.btn--link:hover i{transform:translateX(4px)}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:#e8651c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn--onblue{background:#fff;color:var(--brand-deep)}
.btn--onblue:hover{background:var(--brand-tint);color:var(--brand-deep);transform:translateY(-1px)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 var(--sec);background:
  radial-gradient(1200px 420px at 12% -12%, rgba(22,82,206,.10), transparent 62%), var(--bg);}
.hero__title{font-size:40px;line-height:1.25;font-weight:600;letter-spacing:-.01em}
.hero__title em{font-style:normal;color:var(--brand)}
.hero__sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:520px}
.hero__actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero__point{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;font-size:13.5px;color:var(--muted);box-shadow:var(--sh-sm);
}
.hero__point i{color:var(--brand);font-size:13px}
.hero__visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-md);aspect-ratio:4/3;background:#E9EEF7}
.hero__visual img{width:100%;height:100%;object-fit:cover}
.hero__badge{
  position:absolute;right:16px;bottom:16px;background:rgba(255,255,255,.94);
  border-radius:14px;padding:12px 16px;box-shadow:var(--sh-md);backdrop-filter:blur(2px);
}
.hero__badge strong{display:block;font-size:20px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.hero__badge span{font-size:12.5px;color:var(--muted)}

/* ---------- 卖点 1+2 ---------- */
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(22,82,206,.20)}
.feature-card__num{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.feature-card__title{font-size:20px;font-weight:600;margin-top:14px;line-height:1.45}
.feature-card__text{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.75}
.feature-card__link{margin-top:auto;padding-top:20px}
.feature-card--main{background:linear-gradient(180deg,#fff 0%,#FBFCFE 100%);border-color:#DCE6F6}
.feature-card--main .feature-card__title{font-size:22px}
.feature-card--mini{gap:2px}
.feature-card--mini .feature-card__title{font-size:18px}
.feature-card__icon{
  width:38px;height:38px;border-radius:12px;background:var(--brand-tint);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;border-radius:999px;
  padding:3px 11px;background:var(--brand-tint);color:var(--brand);
}
.tag--teal{background:rgba(18,179,166,.12);color:#0E8C82}
.tag--accent{background:rgba(255,122,47,.13);color:#D65F14}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery__item{
  position:relative;border-radius:16px;overflow:hidden;background:#E9EEF7;box-shadow:var(--sh-sm);
  grid-column:span 1;aspect-ratio:4/3;
}
.gallery__item:nth-child(1),.gallery__item:nth-child(2){grid-column:span 2;aspect-ratio:16/9}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gallery__item:hover img{transform:scale(1.04)}
.gallery__mask{
  position:absolute;inset:auto 0 0 0;padding:40px 18px 16px;color:#fff;font-size:15px;font-weight:600;
  background:linear-gradient(to top,rgba(14,58,150,.86),rgba(14,58,150,0));
  opacity:0;transform:translateY(6px);transition:all .3s ease;
}
.gallery__item:hover .gallery__mask{opacity:1;transform:translateY(0)}

/* ---------- 报名 CTA ---------- */
.join{
  background:var(--brand-tint);border-radius:24px;padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
}
.join__title{font-size:26px;font-weight:600;line-height:1.4}
.join__list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.join__list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.join__list i{color:var(--teal);margin-top:5px;font-size:13px}
.form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-sm);border:1px solid #DCE6F6}
.form-row{margin-bottom:16px}
.form-row:last-of-type{margin-bottom:22px}
.form-row label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text)}
.form-row input,.form-row select{
  width:100%;height:48px;border:1px solid #D8E1EF;border-radius:var(--r-input);
  padding:0 14px;background:#fff;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row input::placeholder{color:var(--disabled)}
.form-row input:focus,.form-row select:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,82,206,.14);
}
.form-hint{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}

/* ---------- 最新信息 ---------- */
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.cms-news-list .grid-x{margin-top:8px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(22,82,206,.20)}
.news-card__cover{aspect-ratio:16/9;overflow:hidden;background:#E9EEF7}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card__cover img{transform:scale(1.03)}
.news-card__body{padding:22px}
.news-card__title{
  font-size:18px;font-weight:600;line-height:1.5;margin-top:12px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-card__title{color:var(--brand)}
.news-card__desc{
  margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.news-card__foot i{color:var(--brand);transition:transform .18s ease}
.news-card:hover .news-card__foot i{transform:translateX(4px)}
.cms-empty{
  border:1px dashed #C7D6EE;border-radius:var(--r-card);background:#fff;
  padding:48px 24px;text-align:center;color:var(--muted);
}
.cms-empty i{font-size:26px;color:var(--brand);display:block;margin-bottom:14px}
.cms-empty p{font-size:15px;margin-bottom:18px}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.metric__num{font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.metric__num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.metric__label{margin-top:8px;font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{border:0;background:transparent;margin:0}
.faq-list .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--sh-sm);margin-bottom:12px;overflow:hidden;
}
.faq-list .accordion-item:last-child{margin-bottom:0}
.faq-list .accordion-title{
  border:0;padding:0 56px 0 22px;height:56px;line-height:56px;font-size:16.5px;
  font-weight:600;color:var(--text);background:#fff;transition:background .18s ease,color .18s ease;
}
.faq-list .accordion-title:hover{background:#FBFCFE;color:var(--brand)}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:600;color:var(--brand);transition:transform .2s ease;line-height:1;
}
.faq-list .accordion-item.is-active>.accordion-title{color:var(--brand-deep)}
.faq-list .accordion-item.is-active>.accordion-title::before{
  content:"−";transform:translateY(-50%) rotate(180deg);
}
.faq-list .accordion-content{
  border:0;border-top:1px solid var(--line);background:var(--bg);padding:22px 24px;
  font-size:15px;line-height:1.75;color:var(--muted);
}
.faq-num{
  display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
  border-radius:50%;background:var(--brand-tint);color:var(--brand);font-size:12px;font-weight:700;
  margin-right:10px;font-variant-numeric:tabular-nums;vertical-align:1px;
}

/* ---------- 底部 CTA 横条 ---------- */
.cta-bar{
  background:var(--brand);color:#fff;border-radius:24px;padding:38px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-md);
}
.cta-bar h2{font-size:24px;font-weight:600;line-height:1.4}
.cta-bar p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.82)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:0;padding:56px 0 40px}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand__main{font-size:18px;font-weight:700;color:#fff;line-height:1.4}
.footer-brand__text{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact p{font-size:14px;line-height:1.9}
.qr-box{
  width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;color:rgba(255,255,255,.6);margin-top:14px;line-height:1.5;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:120;
  transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh-lg);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer__body{padding:20px;overflow-y:auto;flex:1}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.drawer__nav a{font-size:17px;color:var(--text);padding:13px 12px;border-radius:12px;font-weight:500}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-tint);color:var(--brand-deep)}
.drawer__foot{padding:18px 20px;border-top:1px solid var(--line)}
.drawer__foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,42,80,.42);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--sec:64px}
  .container{padding:0 24px}
  .hero__title{font-size:34px}
  .nav-links{display:none}
  .search-box{display:none}
  .hamburger{display:inline-flex}
  .feature-card--main .feature-card__title{font-size:20px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .footer-col:nth-child(n+3){margin-top:32px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery__item,.gallery__item:nth-child(1),.gallery__item:nth-child(2){grid-column:span 1;aspect-ratio:4/3}
}
@media screen and (max-width:768px){
  :root{--sec:56px;--ticker-h:36px}
  body{font-size:16px}
  .container{padding:0 20px}
  .hero{padding:44px 0 var(--sec)}
  .hero__title{font-size:29px}
  .hero__sub{font-size:16px}
  .section-title{font-size:23px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:8px}
  .section--tight{padding:44px 0}
  .join{grid-template-columns:1fr;gap:28px;padding:26px;border-radius:20px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cta-bar{padding:28px;text-align:left}
  .cta-bar h2{font-size:20px}
  .cta-bar .btn{width:100%}
  .ticker__time .ticker__hide{display:none}
  .gallery{gap:12px}
  .cms-news-list .cell{margin-bottom:16px}
}
@media screen and (max-width:560px){
  .hero__title{font-size:26px}
  .hero__actions{gap:12px}
  .hero__actions .btn{flex:1 1 auto}
  .metrics{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-left:0}
  .footer-col:nth-child(n+2){margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
  .qr-box{display:none}
  .faq-list .accordion-title{font-size:15.5px;padding-right:48px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#1652CE;
  --brand-deep:#0E3A96;
  --brand-tint:#E8F0FE;
  --accent:#FF7A2F;
  --teal:#12B3A6;
  --teal-deep:#0E8F84;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E6ECF5;
  --line-strong:#D8E1EF;
  --ink:#1F2A37;
  --muted:#5B6B82;
  --disabled:#9AA7B8;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:12px;
  --radius-media:16px;
  --shadow-sm:0 1px 2px rgba(16,42,80,.06);
  --shadow-md:0 8px 24px rgba(16,42,80,.08);
  --shadow-lg:0 18px 48px rgba(16,42,80,.12);
  --ring:0 0 0 3px rgba(22,82,206,.30);
  --maxw:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:var(--ring);border-radius:6px;
}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);letter-spacing:.01em;}
p{margin:0 0 .9em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__main{font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;}
.brand__sub{font-size:12px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--muted);font-weight:500;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:var(--brand-tint);color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(0);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:width .22s ease,border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{width:280px;border-color:var(--brand);box-shadow:var(--ring);}
.command-search svg{color:var(--muted);flex:none;}
.command-search input{
  border:0;outline:none;background:transparent;flex:1;min-width:0;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.command-search input::placeholder{color:var(--disabled);}
.kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;background:var(--bg);flex:none;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,82,206,.35);background:var(--brand-tint);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease;}
.hamburger:hover span{background:var(--brand);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;line-height:1;
  text-decoration:none;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn--lg{height:48px;padding:0 26px;}
.btn--md{height:40px;padding:0 20px;}
.btn--sm{height:32px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn--ghost:hover{background:var(--brand-tint);color:var(--brand-deep);}
.btn--light{background:#fff;color:var(--brand);}
.btn--light:hover{background:#F2F6FE;color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn--arrow{background:transparent;color:var(--brand);padding:0;height:auto;border:0;}
.btn--arrow svg{transition:transform .2s ease;}
.btn--arrow:hover svg{transform:translateX(4px);}
.btn--arrow:hover{color:var(--brand-deep);}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,42,80,.38);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:#fff;z-index:90;padding:20px 20px 28px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .26s ease;
  overflow-y:auto;box-shadow:var(--shadow-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:15px;font-weight:600;color:var(--ink);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(22,82,206,.35);}
.command-search--drawer{width:100%;}
.command-search--drawer:focus-within{width:100%;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:14px 4px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{color:var(--brand);}
.drawer-links a.is-active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:auto;width:100%;}

/* ============ 页头区 ============ */
.page-head{
  background:linear-gradient(180deg,#EEF4FE 0%,rgba(255,255,255,0) 100%),var(--bg);
  border-bottom:1px solid var(--line);
  padding:48px 0 64px;
}
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px;display:block;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span{margin:0 8px;color:var(--disabled);}
.page-title{font-size:40px;line-height:1.25;margin-bottom:16px;}
.page-sub{font-size:17px;color:var(--muted);max-width:620px;line-height:1.75;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-tint);color:var(--brand);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.badge--teal{background:rgba(18,179,166,.12);color:var(--teal-deep);}
.badge--teal::before{background:var(--teal);}
.page-head__img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-media);box-shadow:var(--shadow-md);
}
.page-head .grid-x{margin-top:8px;}

/* ============ 板块 ============ */
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--bg{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:820px;}
.section-title{
  position:relative;padding-left:16px;font-size:28px;line-height:1.35;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.section-lead{margin-top:12px;color:var(--muted);font-size:16px;}

/* ============ Z 字图文交错 ============ */
.z-row{display:flex;align-items:center;gap:56px;margin-bottom:56px;}
.z-row:last-child{margin-bottom:0;}
.z-row--flip{flex-direction:row-reverse;}
.z-content{flex:1 1 50%;min-width:0;}
.z-media{flex:1 1 50%;min-width:0;}
.z-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-media);box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.z-media:hover img{transform:scale(1.015);box-shadow:var(--shadow-md);}
.z-num{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.z-num::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);}
.z-title{font-size:24px;line-height:1.5;margin:14px 0 14px;}
.z-text{font-size:16px;color:var(--muted);line-height:1.8;}
.points{margin:20px 0 22px;}
.points li{
  position:relative;padding-left:26px;margin-bottom:10px;
  font-size:15px;color:var(--ink);line-height:1.7;
}
.points li:last-child{margin-bottom:0;}
.points li::before{
  content:"";position:absolute;left:4px;top:9px;
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-tint);border:2px solid var(--brand);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px dotted var(--brand);padding-bottom:2px;
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover{border-bottom-style:solid;color:var(--brand-deep);}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 32px;box-shadow:var(--shadow-sm);
}
.stat-item{border-left:2px solid var(--brand-tint);padding-left:18px;}
.stat-item:first-child{border-left-color:var(--brand);}
.stat-num{font-size:26px;font-weight:600;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num em{font-style:normal;font-size:15px;color:var(--accent);margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-md);}
.faq-item.is-open{border-color:rgba(22,82,206,.28);box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;min-height:56px;padding:12px 20px;
  display:flex;align-items:center;gap:12px;
  background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-dot{
  width:22px;height:22px;border-radius:50%;flex:none;
  background:var(--brand-tint);color:var(--brand);
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.faq-item.is-open .faq-dot{background:var(--brand);color:#fff;}
.faq-icon{position:relative;width:16px;height:16px;flex:none;margin-left:auto;transition:transform .2s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;background:var(--bg);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:20px 24px;font-size:15px;line-height:1.75;color:var(--muted);}

/* ============ CTA 横条 ============ */
.cta-bar{
  background:var(--brand);color:#fff;border-radius:20px;
  padding:36px 40px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-bar__title{font-size:22px;color:#fff;margin-bottom:10px;}
.cta-bar__text{font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#fff;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;
  padding:56px 0 36px;
}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.14);padding-left:32px;}
.footer-brand__main{font-size:18px;font-weight:600;color:#fff;margin-bottom:12px;}
.footer-brand__text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:rgba(255,255,255,.94);margin-bottom:14px;}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:6px;}
.qr-box{
  width:96px;height:96px;margin-top:14px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.42);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.5;color:rgba(255,255,255,.6);
}
.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;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .hamburger{display:flex;}
  .nav-inner{justify-content:space-between;gap:12px;}
  .section{padding:64px 0;}
  .z-row{gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 0;}
  .footer-col + .footer-col{padding-left:24px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .page-head{padding:32px 0 48px;}
  .page-title{font-size:28px;line-height:1.3;}
  .page-sub{font-size:15.5px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .section-head{margin-bottom:32px;}
  .section-title{font-size:22px;}
  .section-title::before{top:4px;height:17px;}
  .z-row{flex-direction:column;gap:24px;margin-bottom:44px;}
  .z-row--flip{flex-direction:column;}
  .z-media{order:-1;}
  .z-title{font-size:20px;}
  .stat-strip{grid-template-columns:1fr 1fr;padding:22px;gap:20px;}
  .stat-item{padding-left:14px;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-bar__title{font-size:19px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:40px 0 28px;}
  .footer-col + .footer-col{border-left:0;padding-left:0;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand__text{max-width:none;}
  .qr-box{display:none;}
}
@media (max-width:560px){
  .brand__main{font-size:14px;}
  .page-title{font-size:26px;}
  .stat-strip{grid-template-columns:1fr;gap:16px;}
  .stat-item{border-left-width:3px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --c-primary:#1652CE;
  --c-primary-deep:#0E3A96;
  --c-primary-soft:#E8F0FE;
  --c-accent:#FF7A2F;
  --c-teal:#12B3A6;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --c-text:#1F2A37;
  --c-muted:#5B6B82;
  --c-disabled:#9AA7B8;
  --c-danger:#E5484D;
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-img:12px;
  --sh-sm:0 1px 2px rgba(16,42,80,.06);
  --sh-md:0 8px 24px rgba(16,42,80,.08);
  --sh-lg:0 18px 48px rgba(16,42,80,.12);
  --sp-block:80px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16.5px;line-height:1.8;color:var(--c-text);background:var(--c-bg);font-weight:400}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ Header / Nav ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em}
.logo-text{display:flex;flex-direction:column;line-height:1.18}
.logo-text__main{font-size:15px;font-weight:700;color:var(--c-text);white-space:nowrap}
.logo-text__sub{font-size:11.5px;color:var(--c-muted);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;margin-left:6px}
.nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:15px;color:#33415A;transition:color .2s,background .2s;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(0)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{position:relative;width:220px;transition:width .25s ease}
.cmd-search:focus-within{width:280px}
.cmd-search input{width:100%;height:40px;padding:0 58px 0 38px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#F9FBFE;font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s}
.cmd-search input::placeholder{color:var(--c-disabled)}
.cmd-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(22,82,206,.16)}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--c-disabled);pointer-events:none;display:grid;place-items:center}
.kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--c-muted);background:#fff;border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;line-height:1.4}
.cmd-panel{position:absolute;top:calc(100% + 8px);left:0;width:320px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:70}
.cmd-search:focus-within .cmd-panel{opacity:1;visibility:visible;transform:translateY(0)}
.cmd-panel a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;transition:background .18s}
.cmd-panel a:hover{background:var(--c-primary-soft)}
.cmd-panel strong{font-size:14px;font-weight:600;color:var(--c-text)}
.cmd-panel span{font-size:12.5px;color:var(--c-muted)}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);color:var(--c-muted);cursor:pointer;transition:color .2s,border-color .2s,transform .2s,box-shadow .2s}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(22,82,206,.35);transform:translateY(-1px);box-shadow:var(--sh-sm)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,82,206,.3)}
.menu-toggle{display:none;width:40px;height:40px;place-items:center;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);color:var(--c-text);cursor:pointer}
.menu-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,82,206,.3)}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .2s,color .2s,transform .18s,box-shadow .2s,border-color .2s;white-space:nowrap}
.btn-md{height:40px;padding:0 18px;font-size:14.5px}
.btn-lg{height:48px;padding:0 24px;font-size:16px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(22,82,206,.22)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,58,150,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,58,150,.22)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(22,82,206,.45)}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,82,206,.3)}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:14.5px}
.arrow-link svg{transition:transform .22s ease}
.arrow-link:hover svg{transform:translateX(4px)}
.arrow-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,82,206,.3);border-radius:6px}

/* ============ Drawer ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(15,30,60,.42);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:80}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:84%;max-width:380px;background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;gap:18px;padding:22px;overflow-y:auto;box-shadow:var(--sh-lg)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .nav-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--c-muted)}
.drawer-search{position:relative}
.drawer-search input{width:100%;height:46px;padding:0 16px 0 40px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#F9FBFE}
.drawer-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(22,82,206,.16)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:14px 12px;border-radius:12px;font-size:17px;font-weight:500;color:#33415A;transition:background .2s,color .2s}
.drawer-links a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}

/* ============ Breadcrumb ============ */
.crumb-bar{background:var(--c-primary-soft);border-bottom:1px solid #DCE6F8}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;height:52px;font-size:13.5px;color:#41577A}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#9DB0CC}
.breadcrumb .current{color:var(--c-primary);font-weight:600}

/* ============ Article layout ============ */
.post-layout{padding:40px 0 var(--sp-block)}
.post-head{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-sm);margin-bottom:24px}
.post-badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:600}
.post-title{font-size:32px;line-height:1.36;margin:16px 0 14px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--c-muted)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2E5;display:inline-block}
.article-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px;box-shadow:var(--sh-sm)}

/* ============ Long-form typography ============ */
.article-body{max-width:760px;font-size:16.5px;line-height:1.85;color:var(--c-text)}
.article-body p{margin:0 0 .9em}
.article-body h2{position:relative;font-size:24px;line-height:1.42;margin:40px 0 16px;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:18px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:20px;margin:0 0 1em}
.article-body li{margin:.35em 0;line-height:1.8}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--c-primary-soft);border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:#2B3B53}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);box-shadow:var(--sh-sm);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body a{color:var(--c-primary);border-bottom:1px dotted var(--c-primary);transition:border-color .2s}
.article-body a:hover{border-bottom-style:solid}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-primary-soft);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body pre{background:#F2F5FA;border-radius:12px;padding:16px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{background:#F2F5FA;border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre code{background:none;padding:0}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}

/* ============ Tags / nav / related ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#F1F5FC;color:#3A4C6B;font-size:13px;transition:background .2s,color .2s}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.post-nav__card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-sm);transition:transform .22s,box-shadow .22s,border-color .22s}
.post-nav__card:hover{transform:translateY(-2px);border-color:rgba(22,82,206,.25);box-shadow:var(--sh-md)}
.post-nav__label{font-size:12.5px;color:var(--c-muted)}
.post-nav__title{font-size:16.5px;font-weight:600;line-height:1.5}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:48px 0 20px}
.section-title{position:relative;padding-left:14px;font-size:22px;line-height:1.4}
.section-title::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:18px;border-radius:2px;background:var(--c-primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-2px);border-color:rgba(22,82,206,.25);box-shadow:var(--sh-md)}
.card-tag{align-self:flex-start;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;background:#E8F8F6;color:#0B7F76;font-size:12px;font-weight:600}
.card-title{font-size:17px;font-weight:600;line-height:1.5;transition:color .2s}
.card:hover .card-title{color:var(--c-primary)}
.card-text{font-size:14.5px;line-height:1.75;color:var(--c-muted)}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:13px;color:var(--c-muted)}

/* ============ Sidebar ============ */
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.widget{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm)}
.widget-title{font-size:15px;font-weight:600;padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--c-line)}
.toc a{display:block;font-size:14px;line-height:1.6;color:#3A4C6B;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:background .2s,color .2s,border-color .2s}
.toc a:hover,.toc a.is-current{color:var(--c-primary);background:var(--c-primary-soft);border-left-color:var(--c-primary)}
.widget-links{display:flex;flex-direction:column;gap:4px}
.widget-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:#3A4C6B;padding:9px 10px;border-radius:10px;transition:background .2s,color .2s}
.widget-links a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.side-cta{background:var(--c-primary-soft);border:1px solid #D6E3FB;border-radius:var(--r-card);padding:24px}
.side-cta h3{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:14px;line-height:1.7;color:#41577A;margin-bottom:16px}

/* ============ Empty state ============ */
.empty-state{border:1.5px dashed #C7D6EF;border-radius:var(--r-card);padding:56px 24px;text-align:center;background:#FBFDFF}
.empty-state__icon{width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;margin:0 auto 16px}
.empty-state h2{font-size:19px;margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--c-muted);margin-bottom:20px}

/* ============ Footer ============ */
.site-footer{background:var(--c-primary-deep);color:#E7EEFC;margin-top:var(--sp-block)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;padding:64px 0 40px}
.footer-col{padding:0 28px;border-right:1px solid rgba(255,255,255,.14)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:none;padding-right:0}
.footer-brand__main{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand__text{font-size:13.5px;line-height:1.8;color:rgba(231,238,252,.82)}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(231,238,252,.82);transition:color .2s}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact p{font-size:13.5px;color:rgba(231,238,252,.82);margin-bottom:8px}
.qr-box{width:88px;height:88px;border-radius:12px;background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.35);display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.5;color:rgba(255,255,255,.72);margin-top:14px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(231,238,252,.72)}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .post-side{display:none}
  .post-layout{padding:32px 0 64px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{border-right:none;padding:0 0 28px}
  .footer-col:first-child{padding-left:0}
}
@media (max-width:900px){
  .nav-links{display:none}
  .cmd-search{display:none}
  .menu-toggle{display:grid}
  .icon-btn{display:none}
}
@media (max-width:768px){
  :root{--sp-block:48px}
  .container{padding:0 20px}
  .post-head{padding:24px}
  .article-card{padding:22px}
  .post-title{font-size:26px}
  .article-body h2{font-size:21px;margin-top:32px}
  .post-nav{grid-template-columns:1fr}
  .section-head{margin:36px 0 16px;flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .qr-box{display:none}
  .logo-text__main{font-size:13.5px}
  .logo-text__sub{display:none}
  .breadcrumb{height:auto;padding:12px 0}
  .related-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --brand:#1652CE;
  --brand-deep:#0E3A96;
  --brand-tint:#E8F0FE;
  --accent:#FF7A2F;
  --teal:#12B3A6;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --line:#E6ECF5;
  --text:#1F2A37;
  --text-2:#5B6B82;
  --text-3:#9AA7B8;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(16,42,80,.06);
  --shadow-md:0 8px 24px rgba(16,42,80,.08);
  --shadow-lg:0 18px 48px rgba(16,42,80,.12);
  --gap:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(22,82,206,.3);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-xs{height:32px;padding:0 14px;font-size:13.5px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);background:#0B2E77;}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(22,82,206,.45);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-tint);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:#DCE8FC;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#E96A22;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
  background:none;border:0;padding:0;cursor:pointer;
  transition:color .2s ease;
}
.btn-arrow svg{transition:transform .2s ease;}
.btn-arrow:hover{color:var(--brand-deep);}
.btn-arrow:hover svg{transform:translateX(4px);}
.btn-arrow:active{color:#0B2E77;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text__main{font-size:15.5px;font-weight:600;color:var(--text);letter-spacing:.2px;}
.brand-text__sub{font-size:11.5px;color:var(--text-3);letter-spacing:.6px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);background:var(--brand-tint);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(0);}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;border-radius:var(--radius-btn);
  background:#F2F6FC;border:1px solid transparent;
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search:focus-within{
  width:280px;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(22,82,206,.15);
}
.command-search__icon{position:absolute;left:12px;display:flex;color:var(--text-3);}
.command-search input{
  width:100%;height:100%;border:0;background:transparent;
  padding:0 54px 0 36px;font-size:14px;color:var(--text);outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search__kbd{
  position:absolute;right:10px;
  font-size:11px;color:var(--text-2);
  border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:#fff;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(22,82,206,.4);background:var(--brand-tint);}
.icon-btn:active{background:#DCE8FC;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;color:var(--text);
}
.menu-toggle:hover{border-color:rgba(22,82,206,.4);color:var(--brand);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,32,64,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
  background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-title{font-size:15px;font-weight:600;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--text-2);
}
.drawer .command-search{width:100%;margin-bottom:20px;}
.drawer .command-search:focus-within{width:100%;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 12px;border-radius:10px;font-size:17px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);background:var(--brand-tint);font-weight:600;border-bottom-color:transparent;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--brand-tint);border-bottom:1px solid #DCE8FC;}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  height:52px;font-size:13.5px;color:var(--text-2);
}
.crumb a{color:var(--brand);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-deep);text-decoration:underline;}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text);font-weight:500;}

/* ---------- 标题区 ---------- */
.page-hero{padding:88px 0 56px;background:#fff;border-bottom:1px solid var(--line);}
.page-hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:1.2px;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:18px;
}
.page-hero__eyebrow span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.page-hero h1{
  font-size:40px;line-height:1.28;font-weight:600;letter-spacing:-.3px;
  max-width:820px;margin-bottom:20px;
}
.page-hero .h1-rule{width:80px;height:4px;border-radius:2px;background:var(--brand);margin-bottom:24px;}
.page-hero__sub{
  font-size:17px;line-height:1.85;color:var(--text-2);max-width:760px;
}
.page-hero__meta{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:500;
  background:var(--brand-tint);color:var(--brand);
}
.chip.teal{background:rgba(18,179,166,.12);color:#0E8C82;}
.chip.outline{background:#fff;border:1px solid var(--line);color:var(--text-2);}

/* ---------- 数据面板 ---------- */
.stats-strip{padding:56px 0 0;}
.hud{
  background:var(--brand-deep);
  border-radius:20px;
  padding:32px 36px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.hud::after{
  content:'';position:absolute;right:-60px;top:-70px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.05);
}
.hud-item{position:relative;z-index:1;border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.hud-item:first-child{border-left:0;padding-left:0;}
.hud-value{
  font-size:30px;font-weight:600;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.hud-value em{font-style:normal;color:var(--accent);}
.hud-label{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px;}

/* ---------- 主体双栏 ---------- */
.main-section{padding:var(--gap) 0 0;}
.section-head{margin-bottom:36px;}
.section-head h2{
  font-size:28px;line-height:1.35;font-weight:600;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:760px;}

.anchor-nav{position:sticky;top:96px;}
.anchor-nav__title{
  font-size:12.5px;letter-spacing:1.4px;font-weight:600;color:var(--text-3);
  text-transform:uppercase;margin-bottom:14px;padding-left:16px;
}
.anchor-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);}
.anchor-link{
  display:block;padding:10px 16px;font-size:14.5px;color:var(--text-2);
  border-left:3px solid transparent;margin-left:-2px;border-radius:0 8px 8px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease,padding-left .2s ease;
}
.anchor-link:hover{color:var(--brand);background:#F2F6FC;padding-left:20px;}
.anchor-link.is-active{
  color:var(--brand);font-weight:600;background:var(--brand-tint);
  border-left-color:var(--brand);padding-left:20px;
}
.anchor-side-card{
  margin-top:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm);
}
.anchor-side-card h3{font-size:15px;font-weight:600;margin-bottom:10px;}
.anchor-side-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;}
.anchor-side-card .btn{margin-top:14px;width:100%;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;}
.timeline-item{position:relative;padding-left:68px;padding-bottom:44px;}
.timeline-item::before{
  content:'';position:absolute;left:19px;top:44px;bottom:0;width:2px;background:var(--line);
}
.timeline-item:last-child::before{display:none;}
.timeline-num{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.timeline-item:hover .timeline-num{background:var(--brand);color:#fff;transform:translateY(-2px);}
.timeline-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.timeline-item:hover .timeline-card{
  box-shadow:var(--shadow-md);border-color:rgba(22,82,206,.2);transform:translateY(-2px);
}
.timeline-card h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5;}
.timeline-card p{font-size:14.5px;line-height:1.75;color:var(--text-2);}
.timeline-card p + p{margin-top:8px;}
.timeline-meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--text-3);
}
.timeline-meta strong{color:var(--text-2);font-weight:600;}
.timeline-points{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.timeline-points li{
  position:relative;padding-left:20px;font-size:14px;color:var(--text-2);line-height:1.7;
}
.timeline-points li::before{
  content:'';position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-tint);border:1px solid var(--brand);
}
.timeline-figure{
  margin:0 0 44px 68px;border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);background:#fff;
}
.timeline-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.timeline-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-3);background:#fff;
}

/* ---------- 折叠规则说明 ---------- */
.rules-section{padding:var(--gap) 0 0;}
.accordion-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:12px;box-shadow:var(--shadow-sm);}
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{background:#fff;border:0;border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:0;}
.accordion-title{
  position:relative;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:12px 56px 12px 18px;border:0;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease,background .2s ease;border-radius:10px;
}
.accordion-title:hover{color:var(--brand);background:#F7F9FC;}
.accordion-title::before{content:none !important;}
.accordion-title .q-num{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.acc-icon{
  position:absolute;right:18px;top:50%;margin-top:-9px;
  width:18px;height:18px;transition:transform .2s ease;
}
.acc-icon::before,.acc-icon::after{
  content:'';position:absolute;background:var(--brand);border-radius:2px;
}
.acc-icon::before{left:0;top:8px;width:18px;height:2px;}
.acc-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease;}
.accordion-title[aria-expanded="true"] .acc-icon{transform:rotate(180deg);}
.accordion-title[aria-expanded="true"] .acc-icon::after{opacity:0;}
.accordion-content{
  background:var(--bg) !important;border:0 !important;
  padding:20px 24px !important;font-size:15px;line-height:1.75;color:var(--text-2);
  border-radius:0 0 10px 10px;
}
.accordion-content p + p{margin-top:10px;}
.accordion-content strong{color:var(--text);font-weight:600;}

/* ---------- CTA 卡 ---------- */
.cta-section{padding:var(--gap) 0 var(--gap);}
.cta-card{
  background:var(--brand-tint);
  border-radius:20px;
  padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  align-items:start;
}
.cta-card h2{font-size:26px;line-height:1.4;font-weight:600;margin-bottom:14px;}
.cta-card p.lead{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text);}
.cta-points li::before{
  content:'';position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:1px solid rgba(22,82,206,.35);
}
.cta-points li::after{
  content:'';position:absolute;left:5px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.form-card{
  background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow-sm);
  border:1px solid rgba(22,82,206,.12);
}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text);}
.form-field input,.form-field select{
  width:100%;height:48px;border-radius:var(--radius-input);
  border:1px solid #D8E1EF;background:#fff;
  padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.form-field input::placeholder{color:var(--text-3);}
.form-field input:focus,.form-field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,82,206,.18);
}
.form-field.has-error input,.form-field.has-error select{border-color:var(--danger);}
.form-error{display:none;margin-top:6px;font-size:13px;color:var(--danger);}
.form-field.has-error .form-error{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-card .btn{width:100%;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#fff;padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:0;
}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.14);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand__main{font-size:19px;font-weight:600;margin-bottom:14px;}
.footer-brand__text{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-title{font-size:14px;font-weight:600;margin-bottom:16px;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.74);transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact p{font-size:13.5px;color:rgba(255,255,255,.74);line-height:1.9;}
.qr-box{
  margin-top:14px;width:96px;height:96px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.36);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.55);line-height:1.5;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--gap:64px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .command-search{width:180px;}
  .command-search:focus-within{width:220px;}
  .menu-toggle{display:flex;}
  .page-hero{padding:64px 0 44px;}
  .page-hero h1{font-size:34px;}
  .hud{grid-template-columns:repeat(2,1fr);gap:28px;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
}
@media screen and (max-width:768px){
  :root{--gap:48px;}
  body{font-size:16px;}
  .header-inner{gap:14px;}
  .brand-text__sub{display:none;}
  .brand-text__main{font-size:14.5px;}
  .command-search{display:none;}
  .page-hero h1{font-size:29px;}
  .page-hero__sub{font-size:16px;}
  .section-head h2{font-size:23px;}
  .hud{grid-template-columns:1fr 1fr;gap:22px;}
  .hud-value{font-size:24px;}
  .anchor-nav{position:static;margin-bottom:32px;}
  .anchor-list{
    flex-direction:row;overflow-x:auto;border-left:0;border-bottom:2px solid var(--line);
    gap:0;padding-bottom:2px;-webkit-overflow-scrolling:touch;
  }
  .anchor-link{
    border-left:0;border-bottom:3px solid transparent;margin-left:0;white-space:nowrap;
    padding:10px 14px;border-radius:8px 8px 0 0;
  }
  .anchor-link.is-active{border-bottom-color:var(--brand);background:var(--brand-tint);}
  .anchor-link:hover{padding-left:14px;}
  .timeline-item{padding-left:54px;}
  .timeline-num{width:34px;height:34px;font-size:13px;}
  .timeline-item::before{left:16px;top:38px;}
  .timeline-figure{margin-left:54px;}
  .cta-card{grid-template-columns:1fr;padding:28px;gap:28px;}
  .cta-card h2{font-size:22px;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:560px){
  .container{padding:0 20px;}
  .page-hero{padding:48px 0 36px;}
  .page-hero h1{font-size:26px;line-height:1.35;}
  .hud{grid-template-columns:1fr;gap:18px;padding:24px;}
  .hud-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
  .hud-item:first-child{border-top:0;padding-top:0;}
  .timeline-item{padding-left:0;padding-top:52px;padding-bottom:36px;}
  .timeline-item::before{left:19px;top:44px;}
  .timeline-figure{margin-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{border-left:0;padding:0;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);}
  .footer-col:first-child{padding-top:0;border-top:0;}
  .footer-bottom{flex-direction:column;margin-top:36px;}
  .qr-box{display:none;}
  .crumb{height:auto;padding:12px 0;font-size:13px;}
}