/* roulang page: index */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --grad:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-pill:999px;
  --r-card:20px;
  --r-lg:28px;
  --r-input:12px;
  --sh1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#E23A1B;
  --bs-border-radius:12px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,77,45,.35);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--c-ink);color:#FFD9A8;font-size:13px;letter-spacing:.2px}
.topbar .wrap{height:36px;display:flex;align-items:center;justify-content:space-between;gap:12px;overflow:hidden}
.tb-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,176,32,.45);border-radius:var(--r-pill);padding:2px 12px;font-size:12px;color:var(--c-amber);white-space:nowrap;font-variant-numeric:tabular-nums}
.tb-dot{width:6px;height:6px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(18,196,139,.18)}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);height:72px;transition:height .25s ease,box-shadow .25s ease}
.site-head.is-stuck{height:64px;box-shadow:0 8px 24px rgba(26,18,38,.09)}
.site-head .wrap{height:100%;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;line-height:1;box-shadow:0 6px 16px rgba(255,77,45,.32)}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;letter-spacing:-.2px}
.nav-list{display:flex;align-items:center;gap:28px;margin:0 auto 0 6px}
.nav-link-x{position:relative;display:inline-block;font-size:16px;font-weight:500;color:var(--c-ink);padding:6px 0;white-space:nowrap;transition:color .2s}
.nav-link-x::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--grad);transition:width .22s}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after{width:20px}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600}
.nav-link-x.is-active::after{width:20px}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:18px;flex-shrink:0}
.btn-grad{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(255,77,45,.28);transition:transform .2s,box-shadow .2s}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,45,.38)}
.btn-grad:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,77,45,.28)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--c-ink);transition:color .2s}
.link-arrow .arrow{transition:transform .2s}
.link-arrow:hover{color:var(--c-primary)}
.link-arrow:hover .arrow{transform:translateX(4px)}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;cursor:pointer;transition:border-color .2s,background .2s}
.burger:hover{border-color:var(--c-primary);background:var(--c-primary-l)}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(26,18,38,.45);opacity:0;pointer-events:none;transition:opacity .25s;z-index:80}
.drawer-mask.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:var(--c-bg);z-index:90;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:24px 20px}
.drawer.on{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;font-size:20px;line-height:1;color:var(--c-ink);cursor:pointer}
.drawer .nav-link-x{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--c-line)}
.drawer .nav-link-x::after{display:none}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn-grad{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background-image:linear-gradient(100deg,rgba(26,18,38,.84) 0%,rgba(26,18,38,.56) 52%,rgba(255,77,45,.30) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;overflow:hidden}
.hero-inner{min-height:580px;display:flex;align-items:center;padding:96px 0}
.hero-copy{max-width:660px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.4px;color:#FFD9A8;border:1px solid rgba(255,217,168,.4);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.75;color:#FFE7E0;max-width:580px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.55);color:#fff;font-size:15px;font-weight:600;background:transparent;transition:background .2s,border-color .2s,transform .2s}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.badge-data{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);padding:8px 16px;font-size:12px;letter-spacing:.3px;color:#fff}
.badge-data b{font-size:15px;font-weight:700;color:var(--c-amber);font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.sec{padding:88px 0}
.sec-tint{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-title{position:relative;font-size:30px;font-weight:700;line-height:1.3;padding-left:18px}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:6px;height:24px;border-radius:3px;background:var(--grad)}
.sec-sub{color:var(--c-ink-2);font-size:15px;margin-top:10px;max-width:760px}

/* ---------- 合集目录 ---------- */
.dir-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.dir-item{display:flex;align-items:flex-start;gap:20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;transition:transform .25s,border-color .25s,box-shadow .25s}
.dir-item:hover{transform:translateX(4px);border-color:var(--c-primary);box-shadow:var(--sh1)}
.dir-num{font-size:40px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--c-primary);font-variant-numeric:tabular-nums;transition:color .25s}
.dir-item:hover .dir-num{color:var(--c-primary)}
.dir-body{flex:1;min-width:0}
.dir-body h3{font-size:18px;font-weight:600;margin-bottom:6px}
.dir-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.dir-go{font-size:16px;color:var(--c-ink-2);transition:transform .25s,color .25s;flex-shrink:0}
.dir-item:hover .dir-go{color:var(--c-primary);transform:translateX(3px)}

/* ---------- 精选条目 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card-h{grid-column:span 12;display:grid;grid-template-columns:1.05fr 1fr;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);transition:transform .25s,box-shadow .25s}
.card-h:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.card-h-media{position:relative;min-height:330px;overflow:hidden}
.card-h-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card-h:hover .card-h-media img{transform:scale(1.04)}
.card-h-body{padding:40px 38px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;justify-content:center}
.card-h-body h3{font-size:26px;line-height:1.35;font-weight:700}
.card-h-body p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.card-foot{display:flex;align-items:center;justify-content:space-between;width:100%;padding-top:16px;margin-top:auto;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.card-foot .arrow{color:var(--c-primary);font-weight:700;transition:transform .25s}
.card-h:hover .card-foot .arrow{transform:translateX(4px)}
.tag{display:inline-block;font-size:12px;font-weight:500;letter-spacing:.3px;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary-d)}
.card-v{grid-column:span 4;display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);transition:transform .25s,box-shadow .25s}
.card-v:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.card-v-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-line)}
.card-v-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card-v:hover .card-v-media img{transform:scale(1.04)}
.card-tag{position:absolute;left:14px;top:14px;background:rgba(26,18,38,.72);color:#fff;font-size:12px;font-weight:500;letter-spacing:.3px;padding:4px 12px;border-radius:var(--r-pill)}
.card-v-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-v-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-v-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-v:hover .card-v-body h3{color:var(--c-primary)}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh1);transition:transform .25s,box-shadow .25s}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.flow-num{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;font-size:15px;font-weight:800;display:grid;place-items:center;margin-bottom:16px;font-variant-numeric:tabular-nums}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- 最新信息 ---------- */
.news-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.news-item{display:flex;align-items:center;gap:18px;padding:18px 24px;border-bottom:1px solid var(--c-line);transition:background .2s}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:var(--c-primary-l)}
.news-thumb{width:96px;height:72px;border-radius:12px;overflow:hidden;flex-shrink:0;background:var(--c-line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-main{flex:1;min-width:0}
.news-title{font-size:17px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px;transition:color .2s}
.news-item:hover .news-title{color:var(--c-primary)}
.news-desc{font-size:14px;color:var(--c-ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-meta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.news-time{font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.news-go{width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink-2);font-size:14px;transition:background .2s,color .2s,border-color .2s}
.news-item:hover .news-go{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.empty-state{padding:56px 24px;text-align:center;color:var(--c-ink-2)}
.empty-state .empty-line{width:72px;height:6px;border-radius:var(--r-pill);background:var(--grad);margin:0 auto 18px;opacity:.7}
.empty-state p{margin-bottom:18px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-line);border-radius:0 4px 4px 0;transition:background .25s}
.faq-item[open]{box-shadow:var(--sh1);border-color:rgba(255,77,45,.35)}
.faq-item[open]::before{background:var(--grad)}
.faq-q{position:relative;display:flex;align-items:center;min-height:64px;padding:20px 64px 20px 26px;font-size:17px;font-weight:600;line-height:1.5;cursor:pointer;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{position:absolute;right:24px;top:50%;width:22px;height:22px;transform:translateY(-50%)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .25s,opacity .25s}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 64px 24px 26px;color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad-dark);border-radius:var(--r-lg);padding:52px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,77,45,.45) 0%,rgba(255,77,45,0) 70%)}
.cta-copy{position:relative;z-index:1;max-width:600px}
.cta-copy h2{font-size:26px;font-weight:700;margin-bottom:10px}
.cta-copy p{color:#C9C2D6;font-size:15px;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--grad-dark);color:#C9C2D6;padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{box-shadow:none}
.foot-brand span{font-size:18px;font-weight:700;color:#fff}
.foot-desc{font-size:14px;line-height:1.85;color:#C9C2D6;max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-list li{margin-bottom:12px}
.foot-list a{font-size:14px;color:#C9C2D6;transition:color .2s}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.foot-list span{font-size:14px;line-height:1.7}
.foot-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(201,194,214,.8)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner{min-height:500px;padding:80px 0}
  .hero h1{font-size:40px}
  .nav-list{gap:18px}
  .nav-link-x{font-size:15px}
  .head-actions .link-arrow{display:none}
  .card-v{grid-column:span 6}
}
@media (max-width:991px){
  .nav-list{display:none}
  .burger{display:flex}
  .hero-inner{min-height:440px;padding:64px 0}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .sec{padding:64px 0}
  .dir-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .card-h{grid-template-columns:1fr}
  .card-h-media{min-height:250px}
  .card-h-body{padding:28px 24px}
  .card-h-body h3{font-size:22px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .site-head{height:64px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px}
  .brand-name{font-size:15px}
  .head-actions .btn-grad{display:none}
  .hero-inner{min-height:420px;padding:52px 0}
  .hero h1{font-size:28px}
  .hero-kicker{font-size:12px}
  .hero-btns{gap:12px}
  .hero-btns .btn-grad,.hero-btns .btn-ghost{width:100%}
  .hero-badges{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .hero-badges::-webkit-scrollbar{display:none}
  .badge-data{flex-shrink:0}
  .sec{padding:48px 0}
  .sec-title{font-size:24px}
  .sec-head{margin-bottom:24px}
  .card-v{grid-column:span 12}
  .flow-grid{grid-template-columns:1fr}
  .news-item{flex-wrap:wrap;gap:12px;padding:16px}
  .news-thumb{width:72px;height:56px}
  .news-meta{width:100%;justify-content:space-between}
  .news-desc{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-title{white-space:normal}
  .faq-q{padding:18px 56px 18px 20px;font-size:16px}
  .faq-a{padding:0 20px 20px 20px}
  .cta-band{padding:32px 22px;border-radius:var(--r-card)}
  .cta-actions{width:100%}
  .cta-actions .btn-grad,.cta-actions .btn-ghost{width:100%}
  .site-foot{padding-top:52px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --grad-brand:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-pill:999px;
  --r-card:20px;
  --r-lg:28px;
  --r-input:12px;
  --sh-1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh-2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --sp-section:88px;
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#FF4D2D;
  --bs-link-hover-color:#E23A1B;
  --bs-border-radius:20px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,77,45,.35);outline-offset:2px;border-radius:6px;}

/* 容器 */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{position:relative;font-size:30px;line-height:1.3;font-weight:700;padding-left:18px;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;width:6px;height:26px;border-radius:4px;background:var(--grad-brand);}
.sec-sub{margin:8px 0 0;font-size:14px;color:var(--c-ink-2);max-width:640px;}

/* 顶部导航 */
.site-head{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,padding .25s ease;
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.site-head.is-scrolled{box-shadow:0 8px 24px rgba(26,18,38,.08);}
.site-head.is-scrolled .wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,77,45,.32);
}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand:hover .brand-name{color:var(--c-primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link-x{position:relative;font-size:16px;font-weight:500;color:var(--c-ink);padding:6px 0;}
.nav-link-x::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transition:width .2s ease;
}
.nav-link-x:hover::after{width:20px;}
.nav-link-x.is-active{color:var(--c-primary);}
.nav-link-x.is-active::after{width:20px;}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.link-arrow{font-size:15px;font-weight:600;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px;}
.link-arrow .arrow{transition:transform .2s ease;}
.link-arrow:hover .arrow{transform:translateX(4px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;border:0;
  box-shadow:0 8px 20px rgba(255,77,45,.28);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,77,45,.36);}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--c-line);color:var(--c-ink);
  font-size:15px;font-weight:600;transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1);}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;padding:0;position:relative;
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);margin:3px auto;border-radius:2px;transition:transform .2s ease;}

/* 面包屑 */
.crumb-bar{padding:20px 0 4px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#C6BFD2;}
.crumb .now{color:var(--c-ink);font-weight:600;}

/* Hero 窄条 */
.hero-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(26,18,38,.82) 0%,rgba(26,18,38,.48) 55%,rgba(255,77,45,.34) 100%),url("/assets/images/coverpic/cover-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-1);
}
.hero-band .hero-inner{padding:48px 48px 44px;max-width:760px;color:#fff;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.4px;
  padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);color:#FFF7F1;margin-bottom:18px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 4px rgba(18,196,139,.22);}
.hero-band h1{font-size:40px;line-height:1.22;color:#fff;margin-bottom:14px;}
.hero-band h1 em{font-style:normal;color:var(--c-amber);}
.hero-band p{font-size:16px;color:rgba(255,247,241,.9);margin:0 0 26px;max-width:620px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 数据徽章 */
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#FFF7F1;font-size:12px;font-weight:500;letter-spacing:.3px;
}
.stat-chip b{font-size:15px;font-weight:800;color:var(--c-amber);font-variant-numeric:tabular-nums;}

/* 概览条 */
.overview{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);margin-top:-36px;position:relative;z-index:5;
}
.ov-item h3{font-size:17px;margin-bottom:6px;}
.ov-item p{font-size:13px;color:var(--c-ink-2);margin:0;line-height:1.7;}
.ov-num{
  font-size:13px;font-weight:800;color:var(--c-primary);letter-spacing:1px;
  font-variant-numeric:tabular-nums;margin-bottom:8px;display:block;
}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-l);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .card-cover img{transform:scale(1.04);}
.tag-corner{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(26,18,38,.62);color:#fff;font-size:12px;font-weight:500;letter-spacing:.3px;
}
.badge-num{
  position:absolute;right:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-amber);color:var(--c-ink);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.entry-card:hover .card-title{color:var(--c-primary);}
.card-text{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0 0 16px;flex:1;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--c-line);padding-top:14px;font-size:13px;color:var(--c-ink-2);
}
.card-foot .go{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-foot .go span{transition:transform .2s ease;}
.entry-card:hover .card-foot .go span{transform:translateX(4px);}

/* 流程 */
.flow-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.flow-step{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:var(--c-bg);border:1px solid var(--c-line);
}
.flow-step .step-idx{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--c-ink-2);margin:0;line-height:1.75;}
.flow-step::after{
  content:"";position:absolute;right:-13px;top:46px;width:24px;height:2px;
  background:linear-gradient(90deg,var(--c-primary),rgba(255,176,32,.2));
}
.flow-step:last-child::after{display:none;}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-item{
  display:flex;gap:18px;padding:24px;border-radius:var(--r-card);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:border-color .25s ease,transform .25s ease;
}
.scene-item:hover{border-color:var(--c-primary);transform:translateY(-3px);}
.scene-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14px;color:var(--c-ink-2);margin:0;}

/* 深色说明区块 */
.dark-band{background:var(--grad-dark);border-radius:var(--r-lg);padding:52px;color:#C9C2D6;}
.dark-band h2{color:#fff;font-size:28px;padding-left:18px;position:relative;margin-bottom:16px;}
.dark-band h2::before{content:"";position:absolute;left:0;top:6px;width:6px;height:24px;border-radius:4px;background:var(--grad-brand);}
.dark-band p{color:#C9C2D6;font-size:15px;max-width:760px;}
.dark-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px;}
.dark-list li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:20px;
}
.dark-list strong{display:block;color:#fff;font-size:16px;margin-bottom:6px;}
.dark-list span{font-size:13px;color:#B9B1C9;line-height:1.7;}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.acc-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;position:relative;
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease;
}
.acc-item.open::before{opacity:1;}
.acc-head{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);min-height:64px;cursor:pointer;
}
.acc-head .sign{
  flex:0 0 auto;width:24px;height:24px;position:relative;transition:transform .25s ease;
}
.acc-head .sign::before,.acc-head .sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
}
.acc-head .sign::before{left:4px;top:11px;width:16px;height:2px;}
.acc-head .sign::after{left:11px;top:4px;width:2px;height:16px;}
.acc-item.open .sign{transform:rotate(45deg);}
.acc-body{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.acc-item.open .acc-body{display:block;}

/* CTA 横幅 */
.cta-band{
  border-radius:var(--r-lg);padding:44px 48px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 20px 44px rgba(255,77,45,.28);
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px;padding:0;}
.cta-band h2::before{display:none;}
.cta-band p{color:rgba(255,255,255,.92);margin:0;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap;}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 26px;
  border-radius:var(--r-pill);background:#fff;color:var(--c-primary-d);font-size:15px;font-weight:700;
  border:0;transition:transform .2s ease,box-shadow .2s ease;
}
.btn-white:hover{color:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,18,38,.18);}

/* 页脚 */
.site-foot{background:var(--grad-dark);color:#C9C2D6;margin-top:var(--sp-section);padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.foot-desc{font-size:14px;line-height:1.8;color:#B9B1C9;max-width:340px;}
.foot-title{font-size:16px;color:#fff;margin-bottom:16px;}
.foot-list li{margin-bottom:10px;font-size:14px;color:#B9B1C9;line-height:1.7;}
.foot-list a{color:#C9C2D6;}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.foot-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;
  font-size:12px;color:#A79FB8;
}

/* 响应式 */
@media (max-width:1199px){
  .hero-band h1{font-size:36px;}
  .overview{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .nav-list{
    position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100vh;
    background:var(--c-bg);flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 26px 120px;transform:translateX(100%);transition:transform .28s ease;
    box-shadow:-20px 0 40px rgba(26,18,38,.16);z-index:70;overflow-y:auto;
  }
  .nav-list.open{transform:translateX(0);}
  .nav-link-x{font-size:17px;padding:14px 0;width:100%;border-bottom:1px solid var(--c-line);}
  .nav-link-x::after{display:none;}
  .burger{display:block;z-index:80;}
  .head-actions .link-arrow{display:none;}
  .hero-band{min-height:auto;}
  .hero-band .hero-inner{padding:40px 32px;}
  .hero-band h1{font-size:30px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .dark-list{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
  .foot-bottom{justify-content:flex-start;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .wrap{padding:0 16px;}
  .brand-name{font-size:16px;white-space:normal;}
  .head-actions .btn-grad{display:none;}
  .sec-title{font-size:24px;}
  .sec-title::before{height:22px;top:5px;}
  .hero-band .hero-inner{padding:32px 22px;}
  .hero-band h1{font-size:28px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%;}
  .overview{grid-template-columns:1fr;padding:22px;margin-top:20px;}
  .card-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .dark-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white,.cta-actions .btn-ghost-light{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .stat-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .stat-row::-webkit-scrollbar{display:none;}
  .stat-chip{flex:0 0 auto;}
}

/* roulang page: article */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-ink-3:#2B2338;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-warm:#FFF1EA;
  --grad-brand:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-pill:999px;
  --r-card:20px;
  --r-big:28px;
  --r-input:12px;
  --sh-1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh-2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#E23A1B;
  --bs-link-hover-color:#FF4D2D;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,77,45,.35);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section-pad{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-title{position:relative;font-size:30px;line-height:1.3;font-weight:700;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:6px;border-radius:3px;background:var(--grad-brand)}
.sec-sub{font-size:14px;color:var(--c-ink-2);margin-top:6px;padding-left:16px}
.more-link{font-size:14px;font-weight:500;color:var(--c-primary-d);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.more-link .arrow{transition:transform .2s}
.more-link:hover .arrow{transform:translateX(4px)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--c-ink);color:var(--c-amber);font-size:13px;letter-spacing:.3px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-text{color:#C9C2D6}
.topbar-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,176,32,.4);border-radius:var(--r-pill);padding:2px 12px;font-variant-numeric:tabular-nums}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(18,196,139,.18)}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s,height .25s}
.site-head .wrap{display:flex;align-items:center;gap:26px;height:72px;transition:height .25s}
.site-head.is-scrolled{box-shadow:var(--sh-1)}
.site-head.is-scrolled .wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(255,77,45,.32)}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link-x{position:relative;font-size:16px;font-weight:500;color:var(--c-ink-2);padding:6px 0;white-space:nowrap}
.nav-link-x::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--grad-brand);transition:width .2s}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after{width:20px}
.nav-link-x.is-active{color:var(--c-ink)}
.nav-link-x.is-active::after{width:20px}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:20px}
.link-arrow{font-size:14px;font-weight:500;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:6px}
.link-arrow .arrow{transition:transform .2s}
.link-arrow:hover{color:var(--c-primary-d)}
.link-arrow:hover .arrow{transform:translateX(4px)}
.btn-grad{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:none;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 8px 20px rgba(255,77,45,.28);transition:transform .2s,box-shadow .2s,filter .2s}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,45,.36)}
.btn-grad:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.55);background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:15px;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s,transform .2s,box-shadow .2s}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-1)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;position:relative;z-index:70}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .25s,opacity .25s}
.burger.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open i:nth-child(2){opacity:0}
.burger.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 文章头 ---------- */
.article-hero{position:relative;color:#fff;padding:52px 0 56px;background-image:linear-gradient(100deg,rgba(26,18,38,.86) 0%,rgba(35,21,51,.64) 55%,rgba(122,43,255,.34) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.crumb .now{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.3px;padding:5px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#FFE7E0;margin-bottom:18px}
.article-hero h1{color:#fff;font-size:40px;line-height:1.24;font-weight:800;max-width:900px;margin-bottom:22px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.meta-chip{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;letter-spacing:.3px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#F7F1FF;font-variant-numeric:tabular-nums}
.meta-chip.is-amber{background:rgba(255,176,32,.18);border-color:rgba(255,176,32,.45);color:#FFD699}
.meta-btn{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;padding:7px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;cursor:pointer;transition:background .2s,color .2s}
.meta-btn:hover{background:#fff;color:var(--c-ink)}
.meta-btn.is-on{background:var(--grad-brand);border-color:transparent}

/* ---------- 布局 ---------- */
.reading-wrap{padding:56px 0 72px}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px}
.side-title{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:5px;height:16px;border-radius:3px;background:var(--grad-brand)}
.toc-list li+li{margin-top:4px}
.toc-list a{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2);padding:9px 10px;border-radius:10px;transition:background .2s,color .2s,padding-left .2s}
.toc-list a:hover{background:var(--c-primary-l);color:var(--c-primary-d);padding-left:14px}
.toc-num{font-size:12px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.side-entry{display:flex;flex-direction:column;gap:10px}
.side-entry a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;font-weight:500;padding:12px 14px;border-radius:14px;background:var(--c-bg);border:1px solid var(--c-line);transition:border-color .2s,background .2s,transform .2s}
.side-entry a:hover{border-color:var(--c-primary);background:#fff;transform:translateX(3px);color:var(--c-primary-d)}
.mini-card{display:flex;gap:12px;align-items:flex-start}
.mini-card+.mini-card{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line)}
.mini-thumb{width:76px;height:58px;border-radius:12px;overflow:hidden;flex-shrink:0;background:var(--c-warm)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-txt h4{font-size:14px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-txt span{font-size:12px;color:var(--c-ink-2)}

/* ---------- 正文 ---------- */
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-big);padding:36px 40px;box-shadow:var(--sh-1)}
.article-content{font-size:16px;line-height:1.85;color:var(--c-ink-3)}
.article-content>*:first-child{margin-top:0}
.article-content h2{position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--c-ink);margin:40px 0 16px;padding-left:14px}
.article-content h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:3px;background:var(--grad-brand)}
.article-content h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-ink);margin:28px 0 12px}
.article-content h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-content p{margin:0 0 16px}
.article-content ul{margin:0 0 16px;padding-left:22px;list-style:disc}
.article-content ol{margin:0 0 16px;padding-left:22px;list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content blockquote{margin:20px 0;padding:16px 20px;background:var(--c-warm);border-left:4px solid var(--c-primary);border-radius:0 14px 14px 0;color:#5A5266}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{max-width:100%;height:auto;border-radius:16px;margin:20px 0}
.article-content a{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:3px}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-content th{background:var(--c-warm);font-weight:600}
.article-content code{background:#F4EEF8;color:#5B2AA8;padding:2px 7px;border-radius:6px;font-size:14px}
.article-content pre{background:#221733;color:#F7F1FF;padding:18px;border-radius:14px;overflow:auto;margin:20px 0}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}
.empty-box{text-align:center;padding:52px 20px}
.empty-box h2{font-size:24px;margin-bottom:12px}
.empty-box p{color:var(--c-ink-2);margin-bottom:24px}

/* ---------- 标签与分享 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-chip{font-size:12px;font-weight:500;letter-spacing:.3px;padding:6px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary-d)}
.share-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding:18px 22px;border-radius:var(--r-card);background:var(--c-warm);border:1px dashed #F2D4C8}
.share-bar strong{font-size:15px}
.share-acts{display:flex;flex-wrap:wrap;gap:10px}
.share-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:var(--r-pill);border:1.5px solid var(--c-primary);background:#fff;color:var(--c-primary-d);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,color .2s}
.share-btn:hover{background:var(--c-primary);color:#fff}
.share-btn.is-done{background:var(--c-mint);border-color:var(--c-mint);color:#fff}

/* ---------- 翻页 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager a{display:block;padding:18px 20px;border-radius:var(--r-card);background:var(--c-surface);border:1px solid var(--c-line);transition:transform .2s,box-shadow .2s,border-color .2s}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:var(--c-primary)}
.pager span{display:block;font-size:12px;color:var(--c-ink-2);margin-bottom:6px;letter-spacing:.3px}
.pager strong{display:block;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager a.next{text-align:right}

/* ---------- 相关推荐 ---------- */
.card-x{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:transparent}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-warm)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card-x:hover .card-media img{transform:scale(1.04)}
.card-tag{position:absolute;left:12px;top:12px;font-size:12px;font-weight:500;letter-spacing:.3px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(26,18,38,.62);color:#fff}
.card-num{position:absolute;right:12px;top:12px;font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-amber);color:var(--c-ink);font-variant-numeric:tabular-nums}
.card-body-x{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body-x h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.card-x:hover .card-body-x h3{color:var(--c-primary-d)}
.card-body-x p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-2)}
.card-foot .arrow{font-weight:700;color:var(--c-primary);transition:transform .2s}
.card-x:hover .card-foot .arrow{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;position:relative;transition:box-shadow .25s}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity .25s}
.faq-item.is-open{box-shadow:var(--sh-1)}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer}
.faq-icon{flex-shrink:0;width:24px;height:24px;position:relative;transition:transform .25s}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;left:50%;top:50%}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-in{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-big);background:var(--grad-dark);color:#fff;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-2)}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,77,45,.42),transparent 68%)}
.cta-band h3{color:#fff;font-size:26px;line-height:1.35;font-weight:700;margin-bottom:10px}
.cta-band p{color:#C9C2D6;font-size:15px;max-width:620px}
.cta-acts{display:flex;gap:12px;flex-shrink:0}
.cta-acts .btn-grad{box-shadow:0 10px 26px rgba(255,77,45,.42)}
.btn-soft{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.4);background:transparent;color:#fff;font-size:15px;font-weight:600;transition:background .2s,transform .2s}
.btn-soft:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--grad-dark);color:#C9C2D6;padding:64px 0 0;margin-top:24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-brand .brand-mark{width:34px;height:34px;font-size:17px}
.foot-desc{font-size:14px;line-height:1.8;color:#B8B0C6;max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-list li+li{margin-top:10px}
.foot-list a,.foot-list span{font-size:14px;color:#B8B0C6;line-height:1.7}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:#9C94AC}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-hero h1{font-size:34px}
  .sec-title{font-size:27px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .nav-list{position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;background:var(--c-bg);flex-direction:column;align-items:stretch;gap:6px;padding:96px 24px 28px;transform:translateX(100%);transition:transform .3s ease;box-shadow:-16px 0 40px rgba(26,18,38,.18);z-index:60;overflow-y:auto}
  .nav-list.is-open{transform:translateX(0)}
  .nav-link-x{font-size:16px;padding:14px 4px;border-bottom:1px solid var(--c-line)}
  .nav-link-x::after{display:none}
  .burger{display:flex}
  .head-actions .link-arrow{display:none}
  .section-pad{padding:56px 0}
  .reading-wrap{padding:44px 0 56px}
  .article-card{padding:28px 24px}
  .article-hero h1{font-size:30px}
  .article-hero{padding:40px 0 44px}
  .side-sticky{position:static}
  .pager{grid-template-columns:1fr}
  .pager a.next{text-align:left}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .cta-acts{width:100%}
  .cta-acts .btn-grad,.cta-acts .btn-soft{flex:1}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .topbar .wrap{height:auto;padding-top:8px;padding-bottom:8px;flex-direction:column;align-items:flex-start;gap:6px}
  .brand-name{font-size:16px;white-space:normal}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .article-hero h1{font-size:26px}
  .sec-title{font-size:23px}
  .sec-sub{padding-left:0;margin-left:0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .meta-row{gap:8px}
  .article-card{padding:22px 18px;border-radius:var(--r-card)}
  .article-content{font-size:16px;line-height:1.8}
  .article-content h2{font-size:21px;margin-top:32px}
  .article-content h3{font-size:18px}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-band h3{font-size:21px}
  .cta-acts{flex-direction:column}
  .cta-acts .btn-grad,.cta-acts .btn-soft{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .section-pad{padding:44px 0}
}
@media (max-width:575.98px){
  .article-hero h1{font-size:23px}
  .share-bar{flex-direction:column;align-items:stretch}
  .share-acts{flex-direction:column}
  .share-btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --grad:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-sm:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh-2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#FF4D2D;
  --bs-border-radius:12px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
button{font-family:inherit;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(255,77,45,.35);outline-offset:2px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,min-height .25s ease;
}
.site-head .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.site-head.is-scrolled{box-shadow:0 8px 28px rgba(26,18,38,.08)}
.site-head.is-scrolled .wrap{min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(255,77,45,.28);
}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.2px}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link-x{
  position:relative;font-size:16px;font-weight:500;color:var(--c-ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad);border-radius:2px;transition:width .2s ease;
}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after{width:20px}
.nav-link-x.is-active{color:var(--c-primary)}
.nav-link-x.is-active::after{width:100%}
.head-actions{display:flex;align-items:center;gap:18px;margin-left:26px}
.link-arrow{font-size:15px;font-weight:500;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:6px}
.link-arrow .arrow{transition:transform .2s ease;color:var(--c-primary)}
.link-arrow:hover{color:var(--c-primary)}
.link-arrow:hover .arrow{transform:translateX(4px)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  border:0;box-shadow:0 8px 20px rgba(255,77,45,.26);
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,45,.34)}
.btn-grad:active{transform:translateY(0)}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger i{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:.25s}
body.nav-open .burger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .burger i:nth-child(2){opacity:0}
body.nav-open .burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  color:#FFF7F1;
  padding:56px 0 64px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(26,18,38,.84) 0%,rgba(26,18,38,.52) 55%,rgba(255,77,45,.24) 100%);
}
.cat-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,247,241,.72);margin-bottom:26px}
.crumb a{color:rgba(255,247,241,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.crumb-cur{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:12px;font-weight:500;letter-spacing:.3px;color:#FFE7E0;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 4px rgba(18,196,139,.22)}
.cat-hero h1{
  font-size:42px;font-weight:800;line-height:1.2;
  margin:20px 0 16px;max-width:840px;color:#fff;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,247,241,.86);max-width:700px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;color:var(--c-primary);font-weight:700;font-size:15px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-light:hover{color:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,18,38,.24)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.45);
  color:#fff;font-weight:600;font-size:15px;
  transition:background .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-badges li{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:12px;letter-spacing:.3px;color:rgba(255,247,241,.92);
}
.hero-badges b{font-size:16px;font-weight:800;color:var(--c-amber);font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-title{
  font-size:30px;font-weight:800;display:flex;align-items:center;gap:14px;letter-spacing:.2px;
}
.sec-title::before{content:"";width:6px;height:24px;border-radius:3px;background:var(--grad);flex:0 0 6px}
.sec-desc{margin-top:12px;color:var(--c-ink-2);font-size:15px;max-width:640px}
.sec-more{font-size:15px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}

/* ---------- 图文交错长条 ---------- */
.zig-list{display:flex;flex-direction:column}
.zig{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;align-items:center;
  padding:38px 0;border-top:1px solid var(--c-line);
}
.zig:first-child{border-top:0;padding-top:8px}
.zig-media{
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);background:#F4EEF8;
}
.zig-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .45s ease;
}
.zig:hover .zig-media img{transform:scale(1.04)}
.zig-body{max-width:560px}
.tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12px;font-weight:600;letter-spacing:.3px;margin-bottom:14px;
}
.zig-body h3{font-size:22px;font-weight:700;margin-bottom:12px;line-height:1.4}
.zig-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.85}
.check-list{margin-top:16px;display:grid;gap:9px}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--c-ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-primary-l);
  box-shadow:inset 0 0 0 2px var(--c-primary);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:20px;font-size:15px;font-weight:600;color:var(--c-primary);
}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(4px)}

/* ---------- 更新流程 ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;margin-top:12px}
.flow::before{
  content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,#FF4D2D,#FFB020);opacity:.32;
}
.flow-node{position:relative;text-align:center;background:transparent}
.flow-dot{
  width:52px;height:52px;border-radius:50%;margin:0 auto 16px;
  display:grid;place-items:center;
  background:#fff;border:2px solid var(--c-primary-l);
  color:var(--c-primary);font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(255,77,45,.14);
  position:relative;z-index:2;
}
.flow-node h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-node p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ---------- 版本对照表 ---------- */
.table-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;overflow-x:auto;background:#fff;box-shadow:var(--sh-1);
}
.spec-table{min-width:720px;font-size:15px}
.spec-table th{
  background:#FFF1EB;color:var(--c-ink);
  font-weight:700;font-size:14.5px;text-align:left;
  padding:16px 22px;white-space:nowrap;
}
.spec-table td{
  padding:18px 22px;border-top:1px solid var(--c-line);color:var(--c-ink-2);
}
.spec-table tbody tr{transition:background .2s ease}
.spec-table tbody tr:hover{background:#FFFBF8}
.spec-table .cell-strong{color:var(--c-ink);font-weight:600}
.badge-data{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:#FFF3DA;color:#8A5A00;font-size:12px;font-weight:600;
  letter-spacing:.3px;font-variant-numeric:tabular-nums;
}
.badge-soft{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:600;
}
.table-note{margin-top:16px;font-size:13.5px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#F7CDBF;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);position:relative;
  min-height:64px;line-height:1.5;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
  opacity:0;transition:opacity .25s ease;
}
.faq-q[aria-expanded="true"]::before{opacity:1}
.faq-sign{position:relative;width:22px;height:22px;flex:0 0 22px}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-sign::before{left:0;top:10px;width:22px;height:2px}
.faq-sign::after{left:10px;top:0;width:2px;height:22px}
.faq-q[aria-expanded="true"] .faq-sign::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 26px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  background:var(--grad);border-radius:var(--r-lg);
  padding:48px 56px;color:#fff;
  box-shadow:0 20px 44px rgba(255,77,45,.24);
}
.cta-band h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:12px}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.9);max-width:520px;line-height:1.8}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-btns .btn-light{background:#fff;color:var(--c-primary-d)}
.cta-btns .btn-ghost{border-color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--grad-dark);
  color:#C9C2D6;margin-top:88px;padding:72px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.foot-desc{font-size:14px;line-height:1.85;color:#B7AEC6;max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-list{display:grid;gap:12px}
.foot-list a,.foot-list span{font-size:14px;color:#B7AEC6;line-height:1.6}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  margin-top:56px;padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:#9E95AF;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero h1{font-size:38px}
  .zig{gap:36px}
  .cta-band{padding:40px 40px}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .burger{display:flex}
  .nav-list{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;
    background:var(--c-bg);flex-direction:column;align-items:flex-start;
    gap:0;padding:96px 28px 32px;margin-left:0;
    transform:translateX(104%);transition:transform .32s ease;
    box-shadow:-12px 0 40px rgba(26,18,38,.16);z-index:70;overflow-y:auto;
  }
  body.nav-open .nav-list{transform:translateX(0)}
  .nav-link-x{width:100%;padding:15px 0;font-size:17px;border-bottom:1px solid var(--c-line)}
  .nav-link-x::after{display:none}
  .head-actions .link-arrow,.head-actions .btn-grad{display:none}
  .head-actions{margin-left:auto}
  .section{padding:64px 0}
  .cat-hero{padding:44px 0 52px}
  .cat-hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .zig{grid-template-columns:minmax(0,1fr);gap:24px;padding:30px 0}
  .zig:nth-child(even) .zig-media{order:0}
  .zig-body{max-width:none}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .flow::before{display:none}
  .flow-node{text-align:left}
  .flow-dot{margin:0 0 14px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .cta-btns{width:100%}
  .cta-btns .btn-light,.cta-btns .btn-ghost{width:100%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-foot{padding-top:56px;margin-top:64px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .brand-name{font-size:16px}
  .site-head .wrap{min-height:64px;gap:12px}
  .cat-hero h1{font-size:27px}
  .hero-btns{gap:12px}
  .hero-btns .btn-light,.hero-btns .btn-ghost{width:100%}
  .hero-badges li{font-size:12px;padding:7px 13px}
  .section{padding:48px 0}
  .sec-title{font-size:23px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .zig-body h3{font-size:19px}
  .flow{grid-template-columns:minmax(0,1fr)}
  .flow-node{text-align:center}
  .flow-dot{margin:0 auto 14px}
  .faq-q{font-size:15.5px;padding:18px 20px}
  .faq-a{padding:0 20px 20px}
  .cta-band{padding:30px 22px;border-radius:22px}
  .cta-band h2{font-size:22px}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --grad-brand:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-pill:999px;
  --r-card:20px;
  --r-big:28px;
  --r-sm:12px;
  --sh-1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh-2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#E23A1B;
  --bs-border-radius:20px;
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 导航 ===== */
.site-head{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-head .wrap{
  display:flex;align-items:center;gap:26px;height:72px;transition:height .25s ease;
}
.site-head.is-scrolled{box-shadow:0 8px 26px rgba(26,18,38,.09);}
.site-head.is-scrolled .wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-size:17px;font-weight:800;display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(255,77,45,.34);flex:0 0 36px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link-x{
  position:relative;display:inline-block;padding:6px 0;font-size:16px;font-weight:500;
  color:var(--c-ink);white-space:nowrap;transition:color .2s ease;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  border-radius:2px;background:var(--grad-brand);transition:width .2s ease;
}
.nav-link-x:hover{color:var(--c-primary);}
.nav-link-x:hover::after{width:20px;}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600;}
.nav-link-x.is-active::after{width:20px;}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.link-arrow{
  display:inline-flex;align-items:center;gap:5px;font-size:14px;color:var(--c-ink-2);
  transition:color .2s ease;
}
.link-arrow .arrow{transition:transform .2s ease;}
.link-arrow:hover{color:var(--c-primary);}
.link-arrow:hover .arrow{transform:translateX(4px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  border:0;box-shadow:0 8px 20px rgba(255,77,45,.28);transition:.22s ease;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,45,.38);}
.btn-grad:active{transform:translateY(0);}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;padding:0;
}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:.2s ease;}
.drawer-cta{display:none;}

/* ===== 首屏 ===== */
.page-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(26,18,38,.80) 0%,rgba(26,18,38,.44) 55%,rgba(255,77,45,.26) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:60px 0 66px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:var(--grad-brand);opacity:.9;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.88);transition:color .2s ease;}
.crumb a:hover{color:var(--c-amber);}
.crumb .sep{opacity:.6;}
.crumb .now{color:rgba(255,255,255,.95);font-weight:600;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;margin-bottom:20px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.30);color:#FFE7E0;
  font-size:12.5px;font-weight:500;letter-spacing:.3px;
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-mint);
  box-shadow:0 0 0 3px rgba(18,196,139,.22);
}
.hero-title{font-size:42px;font-weight:800;line-height:1.22;letter-spacing:-.5px;color:#fff;max-width:780px;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:#EFE7F5;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn-outline-x{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid rgba(255,255,255,.62);background:rgba(255,255,255,.06);
  color:#FFF7F1;font-size:15px;font-weight:600;transition:.22s ease;
}
.btn-outline-x:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:12px;letter-spacing:.3px;color:#FFF7F1;
}
.badge-data b{font-size:15px;font-weight:700;color:var(--c-amber);font-variant-numeric:tabular-nums;}

/* ===== 板块通用 ===== */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{margin-bottom:34px;max-width:820px;}
.sec-title{position:relative;padding-left:18px;font-size:30px;font-weight:700;line-height:1.3;}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;
  border-radius:4px;background:var(--grad-brand);
}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ===== 四项要点 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guard-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;transition:.24s ease;
}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CD;}
.guard-num{
  font-size:34px;font-weight:800;line-height:1;letter-spacing:-1px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-variant-numeric:tabular-nums;
}
.guard-card h3{margin:16px 0 10px;font-size:17px;font-weight:600;}
.guard-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}

/* ===== 时间线 ===== */
.tl{display:grid;gap:30px;}
.tl-item{display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:start;}
.tl-marker{position:relative;padding-left:32px;padding-top:4px;}
.tl-marker .dot{
  position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--grad-brand);box-shadow:0 0 0 4px rgba(255,77,45,.14);
}
.tl-marker::before{
  content:"";position:absolute;left:6px;top:30px;bottom:-34px;width:2px;
  background:linear-gradient(180deg,#FFC9BA,#ECE6F2);border-radius:2px;
}
.tl-item:last-child .tl-marker::before{display:none;}
.tl-phase{display:block;font-size:13.5px;font-weight:600;color:var(--c-ink-2);letter-spacing:.4px;line-height:1.5;}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 28px;transition:.24s ease;
}
.tl-card:hover{box-shadow:var(--sh-1);border-color:#FFD9CD;transform:translateY(-2px);}
.tl-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.tl-num{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12.5px;font-weight:800;letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.tl-tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:#F4F0FA;color:var(--c-violet);font-size:12.5px;font-weight:500;letter-spacing:.3px;
}
.tl-card h3{font-size:18px;font-weight:600;line-height:1.5;}
.tl-card > p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2);}
.tick-list{margin-top:14px;display:grid;gap:8px;}
.tick-list li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.75;color:var(--c-ink-2);
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--c-primary-l);
}
.tick-list li::after{
  content:"";position:absolute;left:3.5px;top:12.5px;width:5px;height:2px;border-radius:2px;
  background:var(--c-primary-d);transform:rotate(45deg);
}

/* ===== 适用场景 深色面板 ===== */
.scene-panel{
  background:var(--grad-dark);border-radius:var(--r-big);
  padding:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  box-shadow:var(--sh-1);
}
.scene-panel h2{
  position:relative;padding-left:18px;color:#fff;font-size:29px;font-weight:700;line-height:1.32;
}
.scene-panel h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:4px;
  background:var(--grad-brand);
}
.scene-panel .scene-lead{margin-top:14px;font-size:15px;line-height:1.8;color:#C9C2D6;}
.scene-list{margin-top:26px;display:grid;gap:12px;}
.scene-list li{
  position:relative;padding:12px 16px 12px 44px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  font-size:14.5px;line-height:1.7;color:#E8E2F0;transition:.22s ease;
}
.scene-list li:hover{background:rgba(255,255,255,.12);transform:translateX(4px);}
.scene-list li::before{
  content:"";position:absolute;left:18px;top:20px;width:8px;height:8px;border-radius:50%;
  background:var(--c-amber);box-shadow:0 0 0 4px rgba(255,176,32,.18);
}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.16);
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);transition:.24s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:4px;
  background:transparent;transition:.24s ease;
}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:#FFD9CD;}
.faq-item.is-open::before{background:var(--grad-brand);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.55;transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary-d);}
.pm{
  position:relative;width:24px;height:24px;flex:0 0 24px;border-radius:50%;
  background:var(--c-primary-l);transition:.25s ease;
}
.pm::before,.pm::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-d);border-radius:2px;
  transform:translate(-50%,-50%);transition:.25s ease;
}
.pm::before{width:12px;height:2px;}
.pm::after{width:2px;height:12px;}
.faq-item.is-open .pm{background:var(--grad-brand);}
.faq-item.is-open .pm::before,.faq-item.is-open .pm::after{background:#fff;}
.faq-item.is-open .pm::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:14.8px;line-height:1.85;color:var(--c-ink-2);}

/* ===== CTA 横幅 ===== */
.cta-band{
  border-radius:var(--r-big);background:var(--grad-brand);color:#fff;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(255,77,45,.24);
}
.cta-band h2{color:#fff;font-size:27px;font-weight:700;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);border:0;
  background:#fff;color:var(--c-primary-d);font-size:15px;font-weight:700;
  transition:.22s ease;box-shadow:0 10px 22px rgba(26,18,38,.16);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(26,18,38,.24);color:var(--c-primary-d);}

/* ===== 页脚 ===== */
.site-foot{background:var(--grad-dark);color:#C9C2D6;padding:64px 0 0;margin-top:88px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.foot-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;flex:0 0 34px;box-shadow:none;}
.foot-desc{font-size:14px;line-height:1.85;color:#C9C2D6;max-width:340px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-list{display:grid;gap:10px;font-size:14px;}
.foot-list a{color:#C9C2D6;transition:.2s ease;}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.foot-list span{color:#A79FBB;}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#A79FBB;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .guard-grid{grid-template-columns:repeat(3,1fr);}
  .hero-title{font-size:38px;}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .site-head .wrap{height:66px;gap:16px;}
  .brand-name{font-size:16.5px;}
  .burger{display:flex;}
  .nav-list{
    position:fixed;top:0;right:0;width:82vw;max-width:340px;height:100%;
    background:var(--c-bg);flex-direction:column;align-items:flex-start;gap:0;
    padding:92px 24px 120px;margin-left:0;transform:translateX(105%);
    transition:transform .3s ease;box-shadow:-24px 0 60px rgba(26,18,38,.2);z-index:90;
    overflow-y:auto;
  }
  .nav-list.is-open{transform:none;}
  .nav-link-x{width:100%;padding:15px 0;font-size:17px;border-bottom:1px solid var(--c-line);}
  .nav-link-x::after{display:none;}
  .drawer-cta{
    display:inline-flex;width:100%;margin-top:26px;min-height:48px;
  }
  .head-actions .link-arrow{display:none;}
  .section{padding:64px 0;}
  .sec-title{font-size:26px;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .scene-panel{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .scene-media{order:-1;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-foot{margin-top:64px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .page-hero{padding:44px 0 52px;}
  .hero-title{font-size:28px;letter-spacing:0;}
  .hero-sub{font-size:15.5px;}
  .section{padding:48px 0;}
  .sec-title{font-size:23px;}
  .guard-grid{grid-template-columns:1fr;gap:16px;}
  .tl-item{grid-template-columns:34px 1fr;gap:16px;}
  .tl-marker{padding-left:32px;padding-top:2px;}
  .tl-phase{display:none;}
  .tl-marker .dot{top:6px;}
  .tl-card{padding:22px 20px;}
  .scene-panel{padding:30px 22px;border-radius:22px;}
  .scene-panel h2{font-size:23px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions > *{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:575px){
  .hero-cta{flex-direction:column;}
  .hero-cta > *{width:100%;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#FF4D2D;
  --c-primary-d:#E23A1B;
  --c-primary-l:#FFE7E0;
  --c-amber:#FFB020;
  --c-violet:#7A2BFF;
  --c-mint:#12C48B;
  --c-ink:#1A1226;
  --c-ink-2:#6B6480;
  --c-line:#ECE6F2;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --grad:linear-gradient(115deg,#FF4D2D 0%,#FF8A3D 45%,#FFB020 100%);
  --grad-dark:linear-gradient(140deg,#231533 0%,#3A1F4D 60%,#4A2360 100%);
  --r-pill:999px;
  --r-card:20px;
  --r-lg:28px;
  --r-sm:12px;
  --sh-1:0 2px 4px rgba(26,18,38,.04),0 12px 32px rgba(26,18,38,.07);
  --sh-2:0 6px 12px rgba(26,18,38,.08),0 20px 44px rgba(26,18,38,.12);
  --bs-primary:#FF4D2D;
  --bs-body-bg:#FFF7F1;
  --bs-body-color:#1A1226;
  --bs-border-color:#ECE6F2;
  --bs-link-color:#FF4D2D;
  --bs-link-hover-color:#E23A1B;
  --bs-border-radius:0.75rem;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s,background-color .2s,border-color .2s}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,77,45,.35);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}

/* 顶部状态条 */
.top-bar{background:#1A1226;color:#FFB020;font-size:13px;min-height:36px;display:flex;align-items:center}
.top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:4px;padding-bottom:4px}
.top-note{color:#E7DFF2;letter-spacing:.2px}
.status-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,176,32,.42);border-radius:var(--r-pill);padding:2px 12px;font-size:12px;font-weight:500;white-space:nowrap}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(18,196,139,.18)}

/* 导航 */
.site-head{position:sticky;top:0;z-index:60;height:72px;display:flex;align-items:center;background:#fff;border-bottom:1px solid var(--c-line);transition:height .25s,box-shadow .25s}
.site-head.is-stuck{height:64px;box-shadow:0 10px 30px rgba(26,18,38,.08)}
.site-head .wrap{display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 6px 16px rgba(255,77,45,.32)}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link-x{position:relative;font-size:16px;font-weight:500;color:#2B2233;padding:6px 0;white-space:nowrap}
.nav-link-x::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;background:var(--grad);transition:width .2s}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after{width:20px}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600}
.nav-link-x.is-active::after{width:20px}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-ink-2)}
.link-arrow .arrow{transition:transform .2s}
.link-arrow:hover{color:var(--c-primary)}
.link-arrow:hover .arrow{transform:translateX(4px)}
.btn-grad{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border:0;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 8px 20px rgba(255,77,45,.28);transition:transform .25s,box-shadow .25s,background-color .25s}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,45,.4)}
.btn-grad:active{transform:translateY(0);background:var(--c-primary-d)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.5);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .25s,transform .25s}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-primary);color:var(--c-primary-d);font-size:15px;font-weight:600;cursor:pointer;transition:background-color .25s,transform .25s}
.btn-line:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px)}
.btn-amber{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-pill);background:#fff;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:15px;font-weight:600;background:rgba(255,255,255,.06);transition:background-color .25s,transform .25s}
.btn-amber:hover{color:#fff;background:rgba(255,255,255,.18);transform:translateY(-2px)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;padding:0}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s,opacity .2s}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100%;z-index:100;background:#FFF7F1;transform:translateX(102%);transition:transform .3s ease;box-shadow:-12px 0 40px rgba(26,18,38,.16);padding:26px 24px 120px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.drawer-head .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
.drawer-head span{font-size:16px;font-weight:700}
.drawer-link{display:block;padding:14px 2px;font-size:16px;font-weight:500;color:#2B2233;border-bottom:1px dashed var(--c-line)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600}
.drawer-link:hover{color:var(--c-primary)}
.drawer-foot{position:absolute;left:0;right:0;bottom:0;padding:18px 24px 24px;background:#fff;border-top:1px solid var(--c-line)}
.drawer-foot .btn-grad{width:100%}
.drawer-mask{position:fixed;inset:0;z-index:99;background:rgba(26,18,38,.45);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* 页面首屏条 */
.page-hero{position:relative;padding:56px 0 56px;color:#fff;background-image:linear-gradient(100deg,rgba(26,18,38,.88) 0%,rgba(26,18,38,.66) 52%,rgba(255,77,45,.42) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,176,32,.34),rgba(255,176,32,0) 70%)}
.hero-inner{position:relative;z-index:2;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,247,241,.72);margin-bottom:20px}
.crumb a:hover{color:#FFB020}
.crumb .crumb-cur{color:#FFD9CE}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.4px;padding:5px 14px;border-radius:var(--r-pill);background:rgba(255,77,45,.24);border:1px solid rgba(255,176,32,.5);color:#FFD9CE}
.page-hero h1{font-size:clamp(26px,4vw,42px);line-height:1.22;font-weight:800;margin:18px 0 14px;letter-spacing:.5px}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,247,241,.86);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-badges li{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:7px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28)}
.hero-badges b{font-size:14px;font-weight:800;color:#FFB020;font-variant-numeric:tabular-nums}

/* 板块通用 */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:var(--c-ink)}
.sec-title::before{content:"";flex:0 0 auto;width:6px;height:24px;border-radius:3px;background:var(--grad)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* 分类布局：紧凑双栏列表 + 粘性侧栏 */
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.help-card{display:flex;align-items:center;gap:14px;min-height:72px;padding:14px 16px;background:#fff;border:1px solid var(--c-line);border-radius:16px;transition:transform .25s,box-shadow .25s,border-color .25s}
.help-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD3C6}
.help-icon{flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:16px;font-weight:800;color:var(--c-primary-d);background:var(--c-primary-l)}
.help-card:nth-child(3n+2) .help-icon{color:#7A2BFF;background:#F1E9FF}
.help-card:nth-child(3n+3) .help-icon{color:#B97800;background:#FFF3DC}
.help-body{min-width:0}
.help-body h3{font-size:16px;font-weight:600;line-height:1.45;color:var(--c-ink)}
.help-body p{margin-top:4px;font-size:13px;line-height:1.6;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.help-card:hover .help-body h3{color:var(--c-primary)}
.help-arrow{margin-left:auto;flex:0 0 auto;color:#C9C2D6;font-size:16px;transition:transform .2s,color .2s}
.help-card:hover .help-arrow{color:var(--c-primary);transform:translateX(3px)}

/* 侧栏 */
.cat-side{position:sticky;top:96px;display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad)}
.side-nav{display:grid;gap:4px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:#2B2233}
.side-nav a::after{content:"→";color:#C9C2D6;font-size:13px;transition:transform .2s,color .2s}
.side-nav a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.side-nav a:hover::after{transform:translateX(3px);color:var(--c-primary-d)}
.side-nav a.is-current{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600}
.side-nav a.is-current::after{color:var(--c-primary-d)}
.mini-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line)}
.mini-item:last-child{border-bottom:0;padding-bottom:0}
.mini-thumb{flex:0 0 62px;width:62px;height:52px;border-radius:12px;overflow:hidden;background:#F4EEF8}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.mini-item:hover .mini-thumb img{transform:scale(1.06)}
.mini-item h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.mini-item span{display:block;margin-top:2px;font-size:12px;color:var(--c-ink-2)}
.mini-item:hover h4{color:var(--c-primary)}
.side-note{padding:14px 16px;border-radius:14px;background:linear-gradient(140deg,#FFF3EC,#FFE7E0);border:1px solid #FFD3C6;font-size:13px;line-height:1.75;color:#8A5348}
.side-note b{color:var(--c-primary-d)}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.flow-step{position:relative;padding:26px 22px 24px;background:#FFFDFB;border:1px solid var(--c-line);border-radius:var(--r-card);transition:transform .25s,box-shadow .25s}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.flow-step .num{font-size:34px;font-weight:800;line-height:1;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.flow-step h3{margin:14px 0 8px;font-size:17px;font-weight:600;color:var(--c-ink)}
.flow-step p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.flow-step::after{content:"";position:absolute;right:-14px;top:44px;width:8px;height:8px;border-top:2px solid #E7D8CE;border-right:2px solid #E7D8CE;transform:rotate(45deg)}
.flow-step:last-child::after{display:none}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:transparent;transition:background .25s}
.faq-item.is-open{border-color:#FFD3C6;box-shadow:var(--sh-1)}
.faq-item.is-open::before{background:var(--grad)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;line-height:1.5}
.faq-q:hover{color:var(--c-primary-d)}
.faq-sign{flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;font-size:18px;font-weight:500;color:var(--c-primary);transition:transform .25s}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq-a-inner strong{color:var(--c-ink)}

/* 更新条 */
.update-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:26px 28px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card)}
.update-item{position:relative;padding-left:18px}
.update-item::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;background:var(--grad)}
.update-item h3{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.update-item p{font-size:13px;line-height:1.75;color:var(--c-ink-2)}

/* CTA 横幅 */
.cta-band{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 40px;border-radius:var(--r-lg);background:var(--grad-dark);color:#fff;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-110px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,176,32,.36),rgba(255,176,32,0) 70%)}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-text p{font-size:15px;line-height:1.8;color:rgba(255,247,241,.82)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* 页脚 */
.site-foot{margin-top:88px;background:var(--grad-dark);color:#C9C2D6;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.foot-desc{font-size:14px;line-height:1.85;color:#C9C2D6;max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-list{display:grid;gap:10px}
.foot-list a,.foot-list span{font-size:14px;color:#C9C2D6;line-height:1.7}
.foot-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:#A99FB8}

/* 响应式 */
@media (max-width:1199px){
  .cat-layout{grid-template-columns:minmax(0,1fr) 290px}
  .help-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-list,.head-actions .link-arrow,.head-actions .btn-grad{display:none}
  .burger{display:flex}
  .site-head .wrap{gap:16px}
  .brand{margin-right:auto}
  .section{padding:64px 0}
  .page-hero{padding:44px 0 46px}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .cat-side{position:static}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step::after{display:none}
  .update-strip{grid-template-columns:1fr;gap:18px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .site-foot{margin-top:64px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .top-inner{justify-content:center}
  .top-note{display:none}
  .brand-name{font-size:16px}
  .section{padding:48px 0}
  .help-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .hero-cta .btn-grad,.hero-cta .btn-ghost{width:100%}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-grad,.cta-actions .btn-line{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px}
  .update-strip{padding:22px 20px}
  .site-foot{margin-top:48px;padding-top:48px}
}