/* roulang page: index */
:root{
  --ink:#2B1F3D;
  --ink-deep:#1A1228;
  --ink-soft:#4A3A6B;
  --cyan:#2ED3B7;
  --cyan-ink:#177F6C;
  --orange:#FF7A45;
  --orange-deep:#E9631F;
  --paper:#F7F5F2;
  --surface:#EFEBE5;
  --dark:#1E1729;
  --text:#1C1A22;
  --text-2:#57515F;
  --text-3:#8E8798;
  --inv:#F2EFF7;
  --line:#E3DCD3;
  --dark-line:rgba(255,255,255,.10);
  --ok:#2FA36B;
  --warn:#D97706;
  --err:#C2410C;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(43,31,61,.06);
  --sh-2:0 10px 28px rgba(43,31,61,.12);
  --ease:.28s ease;
  --max:1180px;
  --gutter:24px;
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--cyan-ink);text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:var(--ink)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0}
button{cursor:pointer;background:none;border:0;padding:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--sec) 0}
.section--dark{background:var(--dark);color:var(--inv);padding:80px 0}
.section--soft{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:.01em}
.section--dark .section-head h2{color:var(--inv)}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--text-2);max-width:640px;line-height:1.8}
.section--dark .section-head .sub{color:rgba(242,239,247,.7)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan-ink);white-space:nowrap}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(4px)}
.section--dark .text-link{color:var(--cyan)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:all var(--ease);white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(43,31,61,.08);color:var(--ink)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);background:transparent}
.tag-cyan{border-color:var(--cyan);color:var(--cyan-ink)}
.tag-orange{border-color:var(--orange);color:var(--orange-deep);background:rgba(255,122,69,.08)}
.tag-inv{border-color:var(--dark-line);color:var(--inv);background:rgba(255,255,255,.06)}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--orange);position:relative}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--orange);opacity:.6;animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.8}100%{transform:scale(1.5);opacity:0}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,242,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:0}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;line-height:1.2}
.brand-sub{font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:var(--r-pill);padding:2px 7px;letter-spacing:.08em;line-height:1}
.nav-right{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);letter-spacing:.02em;padding:8px 0;display:inline-block}
.nav-links a::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--cyan);transition:width var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-links a.is-active::before{content:"";position:absolute;left:-13px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;position:relative;flex-shrink:0}
.nav-toggle span{position:absolute;left:11px;width:22px;height:1.5px;background:var(--ink);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle span:nth-child(1){top:17px}
.nav-toggle span:nth-child(2){top:26px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg)}
.nav-cta{display:inline-flex}

/* ---------- 首屏 ---------- */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,#FBF9F7 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.hero-grid > *{min-width:0}
.hero-media{flex:1 1 480px;max-width:640px}
.hero-panel{flex:1 1 420px}
.hero-cover{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--surface);box-shadow:var(--sh-1)}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.hero-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,18,40,0) 40%,rgba(26,18,40,.86) 100%)}
.hero-cover figcaption{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;font-size:15px;line-height:1.6;letter-spacing:.02em}
.hero-badge{position:absolute;top:16px;left:16px;z-index:3;background:var(--orange);color:#fff;font-size:12px;line-height:1;padding:7px 13px;border-radius:var(--r-pill);display:inline-flex;align-items:center;gap:6px;font-weight:600}
.hero-media-note{margin-top:14px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.hero-panel .tag-orange{margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--ink-soft);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(46,211,183,.18);z-index:-1;border-radius:2px}
.hero-lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:560px}
.hero-time{margin-top:24px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:14px 18px;background:var(--surface);border-radius:var(--r-card);border:1px solid var(--line)}
.hero-time__label{font-size:13px;color:var(--text-3)}
.hero-time__value{font-size:20px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.hero-time__note{font-size:13px;color:var(--text-3);margin-left:auto}
.countdown{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.cd-cell{background:var(--dark);border-radius:var(--r-card);padding:14px 8px;text-align:center;border:1px solid var(--dark-line)}
.cd-num{display:block;font-size:28px;line-height:1.1;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.cd-label{display:block;margin-top:6px;font-size:12px;color:rgba(242,239,247,.62)}
.remind-form{margin-top:20px}
.field-label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.remind-row{display:flex;gap:10px;flex-wrap:wrap}
.remind-row input{flex:1 1 220px;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;transition:border-color var(--ease),box-shadow var(--ease)}
.remind-row input::placeholder{color:var(--text-3)}
.remind-row input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 2px rgba(46,211,183,.35)}
.remind-row .btn{flex:0 0 auto;min-width:132px}
.form-msg{margin-top:10px;font-size:13px;line-height:1.7;color:var(--text-3)}
.form-msg.is-error{color:var(--err)}
.form-msg.is-ok{color:var(--ok)}
.privacy-note{margin-top:8px;font-size:13px;color:var(--text-3)}
.hero-points{margin-top:26px;border-top:1px solid var(--line)}
.hero-points li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.hero-points .idx{font-size:13px;font-weight:700;color:var(--cyan-ink);font-variant-numeric:tabular-nums;letter-spacing:.06em;padding-top:2px;flex:0 0 26px}
.hero-points .pt{min-width:0}
.hero-points .pt b{display:block;font-size:16px;color:var(--ink);font-weight:600;line-height:1.6}
.hero-points .pt span{display:block;margin-top:4px;font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 回放带 ---------- */
.replay{padding:56px 0;background:var(--paper)}
.replay-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.replay-head h2{font-size:22px;font-weight:700;color:var(--ink);line-height:1.4}
.replay-strip{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.replay-strip::-webkit-scrollbar{height:6px}
.replay-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.replay-card{flex:0 0 288px;scroll-snap-align:start;background:#fff;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.replay-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--ease)}
.replay-card:hover img{transform:scale(1.03)}
.replay-card .rc-body{padding:16px 18px 18px}
.replay-card .rc-title{font-size:16px;line-height:1.6;color:var(--ink);font-weight:600;margin-top:10px}
.replay-card .rc-meta{margin-top:8px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.replay-more{flex:0 0 180px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface)}

/* ---------- 深色时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:8px;border-top:1px solid var(--dark-line)}
.tl-item{padding:26px 20px 26px 0;border-right:1px solid var(--dark-line);position:relative}
.tl-item:last-child{border-right:0;padding-right:0}
.tl-item:last-child::after{display:none}
.tl-time{font-size:20px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-title{margin-top:10px;font-size:16px;color:var(--inv);font-weight:600;line-height:1.6}
.tl-desc{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(242,239,247,.66)}
.deep-note{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;align-items:center;padding-top:24px;border-top:1px solid var(--dark-line)}
.deep-note p{font-size:14px;color:rgba(242,239,247,.66);line-height:1.8;max-width:640px}

/* ---------- 数据条 ---------- */
.metrics{background:var(--surface);padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1)}
.metric b{display:block;font-size:28px;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D1C6}
.news-media{display:block;overflow:hidden;background:var(--surface)}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease)}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body .tag{align-self:flex-start}
.news-title{margin-top:12px;font-size:18px;line-height:1.6;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:inherit}
.news-card:hover .news-title a{color:var(--cyan-ink)}
.news-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-meta i{color:var(--cyan-ink);transition:transform var(--ease)}
.news-card:hover .news-meta i{transform:translateX(4px)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:56px 24px;text-align:center}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{margin-top:14px;font-size:15px;color:var(--text-2)}
.empty-state .btn{margin-top:20px}

/* ---------- 平台能力 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px 24px}
.cap-item{grid-column:span 6;display:flex;gap:20px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease)}
.cap-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cap-item.wide{grid-column:span 12}
.cap-item img{width:92px;height:92px;flex:0 0 92px;border-radius:var(--r-img);object-fit:cover}
.cap-item .cap-txt{min-width:0}
.cap-item h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink)}
.cap-item p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2)}
.cap-item .text-link{margin-top:14px}

/* ---------- 分类导览 ---------- */
.cat-list{border-top:1px solid var(--line)}
.cat-row{display:flex;align-items:center;gap:24px;padding:28px 4px;border-bottom:1px solid var(--line);transition:padding var(--ease),background var(--ease)}
.cat-row:hover{background:rgba(239,235,229,.6);padding-left:14px}
.cat-row .no{font-size:14px;font-weight:700;color:var(--cyan-ink);font-variant-numeric:tabular-nums;letter-spacing:.06em;flex:0 0 40px}
.cat-row .cat-main{flex:1 1 auto;min-width:0}
.cat-row h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.5}
.cat-row h3 a{color:inherit}
.cat-row h3 a:hover{color:var(--cyan-ink)}
.cat-row .cat-desc{margin-top:6px;font-size:15px;color:var(--text-2);line-height:1.8}
.cat-row .cat-go{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);transition:all var(--ease)}
.cat-row:hover .cat-go{background:var(--ink);color:var(--cyan);border-color:var(--ink)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-row{display:flex;gap:24px;padding:28px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.faq-q{flex:0 0 33.3333%;max-width:33.3333%}
.faq-q h3{font-size:17px;line-height:1.7;font-weight:600;color:var(--ink);display:flex;gap:10px}
.faq-q h3 i{color:var(--cyan-ink);font-size:14px;padding-top:5px}
.faq-a{flex:1 1 auto}
.faq-a p{font-size:15px;line-height:1.9;color:var(--text-2)}

/* ---------- 收尾 CTA ---------- */
.cta-band{background:var(--ink);color:var(--inv);border-radius:20px;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(46,211,183,.22),transparent 70%)}
.cta-band h2{font-size:28px;line-height:1.4;font-weight:700;color:#fff;position:relative}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(242,239,247,.72);max-width:520px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,239,247,.7);padding:80px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px 32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(242,239,247,.6);border-color:var(--dark-line)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(242,239,247,.66);max-width:300px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(242,239,247,.7)}
.footer-col a:hover{color:var(--cyan)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(242,239,247,.66)}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid var(--dark-line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(242,239,247,.5)}
.footer-bottom a{color:rgba(242,239,247,.5)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-toggle{display:block}
  .nav-right{gap:16px}
  .nav-links{position:fixed;top:72px;left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 40px;transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity var(--ease),transform var(--ease);overflow-y:auto;border-top:1px solid var(--line)}
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-links a{font-size:16px;line-height:52px;padding:0 0 0 14px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{font-weight:600}
  .nav-links a.is-active::before{left:0;width:2px;height:22px;border-radius:2px;background:var(--cyan)}
  .hero h1{font-size:34px}
  .hero{padding:40px 0 56px}
  .hero-grid{gap:32px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .tl-item{border-right:0;border-bottom:1px solid var(--dark-line);padding:22px 16px 22px 0}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cap-item{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section--dark{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:24px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:16px}
  .countdown{grid-template-columns:repeat(2,1fr)}
  .cd-num{font-size:26px}
  .hero-time__note{margin-left:0;width:100%}
  .hero-points li{gap:12px}
  .timeline{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-row{flex-direction:column;gap:12px}
  .faq-q{flex:1 1 auto;max-width:100%}
  .cat-row{gap:14px;padding:22px 4px}
  .cat-row .no{flex:0 0 30px}
  .cat-row h3{font-size:18px}
  .cta-band{padding:36px 24px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 32px}
  .remind-row .btn{width:100%}
  .cap-item{flex-direction:column}
  .cap-item img{width:100%;height:160px;flex:0 0 auto}
}
@media (max-width:520px){
  :root{--gutter:18px}
  .brand-text{font-size:15px}
  .brand-sub{display:none}
  .hero h1{font-size:27px}
  .nav-cta{padding:0 16px;height:40px;font-size:14px}
  .replay-card{flex:0 0 250px}
}

/* roulang page: category1 */
:root{
  --ink:#2B1F3D;
  --ink-deep:#1A1228;
  --ink-light:#4A3A6B;
  --cyan:#2ED3B7;
  --cyan-deep:#1FA98F;
  --orange:#FF7A45;
  --orange-deep:#E85F2A;
  --paper:#F7F5F2;
  --paper-2:#EFEBE5;
  --dark:#1E1729;
  --text:#1C1A22;
  --text-2:#57515F;
  --text-3:#8E8798;
  --fg-inv:#F2EFF7;
  --line:#E3DCD3;
  --line-inv:rgba(255,255,255,.10);
  --ok:#2FA36B;
  --warn:#D97706;
  --err:#C2410C;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(43,31,61,.06);
  --sh-2:0 10px 28px rgba(43,31,61,.12);
  --t:.28s ease;
  --gap:24px;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t),border-color var(--t);}
a:hover{color:var(--cyan-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;color:var(--ink);letter-spacing:.02em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:16px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* 布局容器 */
.wrap,.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{margin-left:12px;margin-right:12px;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:var(--ink);color:var(--fg-inv);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;letter-spacing:0;
}
.brand-text{font-size:16px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.brand-sub{
  font-size:11px;color:var(--cyan-deep);border:1px solid var(--cyan);
  border-radius:var(--r-pill);padding:1px 8px;line-height:1.6;letter-spacing:.04em;
}
.nav-right{display:flex;align-items:center;gap:28px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;letter-spacing:.02em;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--cyan);transition:width var(--t);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink);border-bottom:1px solid var(--line);}
.nav-links a.is-active::before{
  content:"";position:absolute;left:0;top:0;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);transform:translateY(-6px);
}
.nav-links a.is-active::after{width:100%;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:rgba(43,31,61,.08);color:var(--ink);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-deep);font-size:14px;}
.link-arrow i{transition:transform var(--t);}
.link-arrow:hover i{transform:translateX(4px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:7px;
}
.nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(4.25px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4.25px) rotate(-45deg);}

/* 通用板块 */
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-tint{background:var(--paper-2);}
.section-dark{background:var(--dark);color:var(--fg-inv);padding:80px 0;}
.section-dark h2,.section-dark h3,.section-dark h4{color:var(--fg-inv);}
.section-dark .eyebrow{color:var(--cyan);border-color:var(--line-inv);}
.section-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--cyan-deep);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px;
}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--text-2);line-height:1.8;}
.section-dark .section-head p{color:rgba(242,239,247,.72);}

/* 面包屑 */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--cyan-deep);}
.crumb span.sep{margin:0 8px;color:#C8C0CF;}
.crumb .now{color:var(--ink);}

/* 分类页头 */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink-deep);
  color:var(--fg-inv);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(26,18,40,.94) 0%,rgba(26,18,40,.78) 52%,rgba(43,31,61,.52) 100%);
}
.cat-hero .inner{position:relative;z-index:2;padding:76px 0 72px;}
.cat-hero .badge-live{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:#FFD9C9;
  border:1px solid rgba(255,122,69,.5);background:rgba(255,122,69,.14);
  border-radius:var(--r-pill);padding:4px 12px;margin-bottom:20px;
}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--orange);position:relative;}
.pulse::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1px solid rgba(255,122,69,.6);animation:pulse 1.9s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.7);opacity:.9;}100%{transform:scale(1.5);opacity:0;}}
.cat-hero h1{font-size:44px;color:var(--fg-inv);letter-spacing:.01em;margin-bottom:18px;}
.cat-hero .lede{font-size:16px;line-height:1.85;color:rgba(242,239,247,.80);max-width:640px;}
.cat-hero .hero-meta{
  display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:28px;
  font-size:13px;color:rgba(242,239,247,.66);
}
.cat-hero .hero-meta strong{color:var(--cyan);font-weight:600;font-size:15px;}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.cat-hero .btn-ghost{border-color:rgba(242,239,247,.4);color:var(--fg-inv);}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;}
.hero-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-inv);
  box-shadow:0 18px 40px rgba(0,0,0,.32);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}

/* 指标条 */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-inv);border:1px solid var(--line-inv);
  border-radius:var(--r-card);overflow:hidden;
}
.metric{background:rgba(255,255,255,.03);padding:24px 22px;}
.metric .k{font-size:12px;letter-spacing:.1em;color:rgba(242,239,247,.6);margin-bottom:8px;}
.metric .v{font-size:28px;font-weight:600;color:var(--cyan);line-height:1.3;}
.metric .d{font-size:13px;color:rgba(242,239,247,.62);margin-top:6px;}

/* 锚点目录 */
.toc{position:sticky;top:96px;}
.toc h3{font-size:13px;letter-spacing:.14em;color:var(--text-3);font-weight:500;margin-bottom:16px;}
.toc ol{border-top:1px solid var(--line);}
.toc li{border-bottom:1px solid var(--line);}
.toc a{
  display:flex;align-items:baseline;gap:12px;padding:14px 2px;font-size:14px;color:var(--text-2);
  transition:color var(--t),padding var(--t);
}
.toc a b{font-variant-numeric:tabular-nums;font-size:12px;color:var(--cyan-deep);font-weight:600;}
.toc a:hover{color:var(--ink);padding-left:6px;}
.toc-note{
  margin-top:24px;padding:18px;background:var(--paper-2);border-radius:var(--r-card);
  font-size:13px;color:var(--text-2);line-height:1.8;
}

/* 编号条目 */
.entries{border-top:1px solid var(--line);}
.entry{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:30px 0;border-bottom:1px solid var(--line);
}
.entry .idx{
  font-size:30px;font-weight:600;color:var(--ink);opacity:.22;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.entry h3{font-size:20px;margin-bottom:10px;}
.entry p{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:12px;}
.entry .tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:3px 11px;color:var(--text-2);background:#fff;
}
.tag-cyan{border-color:var(--cyan);color:var(--cyan-deep);}
.tag-orange{border-color:rgba(255,122,69,.55);color:var(--orange-deep);background:rgba(255,122,69,.07);}

/* 编辑式列表 */
.editorial{border-top:1px solid rgba(255,255,255,.10);}
.editorial-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:26px 0;border-bottom:1px solid rgba(255,255,255,.10);
}
.editorial-item .n{font-size:14px;color:var(--cyan);font-variant-numeric:tabular-nums;padding-top:6px;}
.editorial-item h3{font-size:18px;margin-bottom:8px;}
.editorial-item p{font-size:15px;color:rgba(242,239,247,.70);line-height:1.85;}

/* 图文交错 */
.flow-row{display:flex;flex-wrap:wrap;align-items:center;gap:48px;margin-bottom:64px;}
.flow-row:last-child{margin-bottom:0;}
.flow-row .txt{flex:1 1 340px;}
.flow-row .pic{flex:1 1 380px;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);}
.flow-row .pic img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--t);}
.flow-row .pic:hover img{transform:scale(1.03);}
.flow-row.reverse{flex-direction:row-reverse;}
.flow-row h3{font-size:20px;margin-bottom:12px;}
.flow-row p{font-size:15px;color:var(--text-2);line-height:1.85;}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--fg-inv);
  font-size:13px;font-variant-numeric:tabular-nums;margin-bottom:14px;
}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .s-num{font-size:13px;color:var(--cyan-deep);font-variant-numeric:tabular-nums;letter-spacing:.1em;}
.step h4{font-size:17px;margin:12px 0 10px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.85;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-row{
  display:grid;grid-template-columns:4fr 8fr;gap:32px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.faq-row .q{font-size:17px;color:var(--ink);font-weight:600;line-height:1.7;}
.faq-row .a{font-size:15px;color:var(--text-2);line-height:1.9;}

/* 相关分类互链 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--cyan);}
.rel-card .k{font-size:12px;letter-spacing:.12em;color:var(--cyan-deep);margin-bottom:12px;}
.rel-card h4{font-size:18px;margin-bottom:10px;}
.rel-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:14px;}
.rel-card .go{font-size:14px;color:var(--ink);display:inline-flex;align-items:center;gap:8px;}
.rel-card:hover .go{color:var(--cyan-deep);}

/* CTA 与表单 */
.cta-band{
  background:var(--ink);color:var(--fg-inv);border-radius:var(--r-card);
  padding:52px 48px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,183,.22),rgba(46,211,183,0) 70%);
}
.cta-band .inner{position:relative;z-index:2;}
.cta-band h2{color:var(--fg-inv);font-size:28px;margin-bottom:14px;}
.cta-band p{color:rgba(242,239,247,.74);font-size:15px;max-width:620px;line-height:1.85;}
.remind-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;max-width:560px;}
.remind-form .field{flex:1 1 260px;}
.remind-form label{display:block;font-size:14px;color:rgba(242,239,247,.72);margin-bottom:8px;}
.remind-form input{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:var(--fg-inv);padding:0 16px;transition:border-color var(--t),background var(--t);
}
.remind-form input::placeholder{color:rgba(242,239,247,.42);}
.remind-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 2px rgba(46,211,183,.28);background:rgba(255,255,255,.09);}
.remind-form .field-action{display:flex;align-items:flex-end;}
.form-note{font-size:13px;color:rgba(242,239,247,.55);margin-top:14px;line-height:1.7;}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card .thumb{overflow:hidden;}
.card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.card:hover .thumb img{transform:scale(1.04);}
.card .body{padding:22px 22px 24px;}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--text-3);}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--fg-inv);padding:80px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:56px;
}
.site-footer .brand-text{color:var(--fg-inv);}
.site-footer .brand-mark{background:rgba(255,255,255,.10);}
.site-footer .brand-sub{color:var(--cyan);border-color:rgba(46,211,183,.5);}
.footer-brand p{font-size:14px;color:rgba(242,239,247,.68);line-height:1.85;margin-top:18px;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--fg-inv);margin-bottom:18px;letter-spacing:.06em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{font-size:14px;color:rgba(242,239,247,.70);}
.footer-col ul a:hover{color:var(--cyan);}
.footer-col p{font-size:14px;color:rgba(242,239,247,.62);line-height:1.85;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(242,239,247,.55);
}

/* 响应式 */
@media screen and (max-width:1023px){
  .nav-links{
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:8px 24px 20px;display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:0 0 0 14px;height:52px;display:flex;align-items:center;font-size:15px;border-left:2px solid transparent;}
  .nav-links a::before{display:none;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{border-left:2px solid var(--cyan);color:var(--ink);border-bottom:0;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-wrap{position:relative;}
  .section{padding:64px 0;}
  .cat-hero h1{font-size:32px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .toc{position:static;margin-bottom:36px;}
  .faq-row{grid-template-columns:1fr;gap:10px;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .wrap,.container{padding:0 18px;}
  .nav-wrap{padding:0 18px;height:66px;}
  .brand-text{font-size:15px;}
  .brand-sub{display:none;}
  .nav-links{top:66px;padding:8px 18px 18px;}
  .cat-hero .inner{padding:52px 0 48px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero .lede{font-size:15px;}
  .section{padding:52px 0;}
  .section-dark{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric{padding:18px 16px;}
  .metric .v{font-size:24px;}
  .entry{grid-template-columns:1fr;gap:8px;}
  .entry .idx{font-size:22px;}
  .editorial-item{grid-template-columns:1fr;gap:6px;}
  .steps{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .flow-row{gap:22px;margin-bottom:44px;}
  .cta-band{padding:34px 22px;}
  .cta-band h2{font-size:22px;}
  .remind-form{flex-direction:column;}
  .remind-form .field-action{width:100%;}
  .remind-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink:#2B1F3D;
  --ink-deep:#1A1228;
  --ink-soft:#4A3A6B;
  --cyan:#2ED3B7;
  --cyan-deep:#159C86;
  --orange:#FF7A45;
  --bg:#F7F5F2;
  --surface:#EFEBE5;
  --dark:#1E1729;
  --text:#1C1A22;
  --text-2:#57515F;
  --text-3:#8E8798;
  --on-dark:#F2EFF7;
  --line:#E3DCD3;
  --line-dark:rgba(255,255,255,.10);
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(43,31,61,.06);
  --sh-2:0 10px 28px rgba(43,31,61,.12);
  --t:.28s ease;
  --max:1180px;
  --read:780px;
  --ok:#2FA36B;
  --warn:#D97706;
  --err:#C2410C;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:100%;line-height:normal}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
table{border-collapse:collapse}
::selection{background:rgba(46,211,183,.28)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{font-size:30px;letter-spacing:.01em}
.sec-sub{font-size:15px;color:var(--text-2);margin-top:10px;line-height:1.8}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--cyan-deep);white-space:nowrap}
.more-link i{transition:transform var(--t)}
.more-link:hover i{transform:translateX(4px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(10px);
}
.nav-wrap{
  max-width:var(--max);margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);
  display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.brand-sub{
  font-size:11px;color:var(--text-3);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:1px 8px;line-height:1.6;white-space:nowrap;
}
.nav-right{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;
  color:var(--text-2);letter-spacing:.02em;transition:color var(--t);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--cyan);transition:width var(--t);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-links a.is-active::before{
  content:"";position:absolute;left:-11px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--cyan);transform:translateY(-50%);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  font-size:15px;padding:14px 26px;line-height:1;text-align:center;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.26)}
.btn-primary:hover{background:#f0692f;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,69,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(43,31,61,.08)}
.btn-sm{padding:10px 18px;font-size:14px}
.nav-cta{flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color var(--t)}
.breadcrumb a:hover{color:var(--cyan-deep)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);
  transition:color var(--t);
}
.back-link i{transition:transform var(--t)}
.back-link:hover{color:var(--cyan-deep)}
.back-link:hover i{transform:translateX(-4px)}
.crumb-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ============ 文章头部 ============ */
.article-main{padding:26px 0 96px}
.article-head{max-width:var(--read);margin:0 auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.04em;
  border-radius:var(--r-pill);padding:5px 12px;line-height:1.4;border:1px solid transparent;
}
.badge-cyan{color:var(--cyan-deep);border-color:rgba(46,211,183,.5);background:rgba(46,211,183,.10)}
.badge-orange{color:#c2531f;border-color:rgba(255,122,69,.45);background:rgba(255,122,69,.10)}
.article-title{
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.35;margin:18px 0 16px;color:var(--ink);letter-spacing:.01em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;padding:0}
.article-lead{
  font-size:15px;line-height:1.9;color:var(--text-2);margin:20px 0 0;
  padding-left:16px;border-left:3px solid var(--cyan);
}
.article-cover{margin:34px auto 0;max-width:var(--max)}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  background:var(--surface);box-shadow:var(--sh-1);
}
.article-cover figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}

/* ============ 正文阅读区 ============ */
.article-shell{max-width:var(--read);margin:48px auto 0}
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:24px;margin:2em 0 .7em;color:var(--ink);letter-spacing:.01em}
.article-body h3{font-size:19px;margin:1.7em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;margin:1.5em 0 .5em}
.article-body p{margin-bottom:1.1em}
.article-body a{color:var(--cyan-deep);border-bottom:1px solid rgba(46,211,183,.45);transition:color var(--t),border-color var(--t)}
.article-body a:hover{color:var(--ink);border-color:var(--ink)}
.article-body strong{color:var(--ink)}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--cyan);
}
.article-body ol{list-style:decimal;margin:0 0 1.2em;padding-left:1.4em}
.article-body ol li{margin-bottom:.5em;padding-left:4px}
.article-body ol li::marker{color:var(--cyan-deep);font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:#fff;border-left:3px solid var(--cyan);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.5em auto;border-radius:var(--r-img);box-shadow:var(--sh-1);background:var(--surface)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{width:100%;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img)}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;font-variant-numeric:tabular-nums}
.article-body th{background:var(--surface);color:var(--ink);font-weight:600}
.article-body tr:nth-child(even) td{background:#fff}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-tags{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--text-3)}
.tag{
  font-size:12px;color:var(--ink-soft);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 13px;background:#fff;transition:border-color var(--t),color var(--t),background var(--t);
}
.tag:hover{border-color:var(--cyan);color:var(--cyan-deep);background:rgba(46,211,183,.08)}
.article-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:28px}
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}
.empty-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ============ 继续查看 ============ */
.related-list{border-top:1px solid var(--line)}
.related-item{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:20px 4px;border-bottom:1px solid var(--line);transition:background var(--t),padding var(--t);
}
.related-item:hover{background:rgba(43,31,61,.03);padding-left:12px;padding-right:12px}
.related-item h3{font-size:17px;margin-bottom:6px}
.related-item p{font-size:14px;color:var(--text-2);margin:0}
.related-item .go{
  flex:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--cyan-deep);background:#fff;transition:transform var(--t),border-color var(--t);
}
.related-item:hover .go{transform:translateX(4px);border-color:var(--cyan)}
.item-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;display:inline-block;margin-top:8px}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-list{margin-top:8px}
.faq-item{
  display:grid;grid-template-columns:minmax(240px,4fr) 8fr;gap:32px;
  padding:24px 0;border-top:1px solid var(--line);
}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item dt{font-size:17px;color:var(--ink);font-weight:600;line-height:1.6}
.faq-item dd{margin:0;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;color:var(--on-dark);
  background:var(--dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(26,18,40,.96) 0%,rgba(43,31,61,.86) 52%,rgba(74,58,107,.72) 100%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.cta-band h2{color:var(--on-dark);font-size:30px;line-height:1.35}
.cta-band p{color:rgba(242,239,247,.74);font-size:15px;margin:14px 0 0;line-height:1.9}
.remind-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start}
.field-label{grid-column:1/-1;font-size:14px;color:rgba(242,239,247,.7)}
.remind-form input{
  height:48px;border-radius:var(--r-input);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:var(--on-dark);padding:0 16px;font-size:15px;
  transition:border-color var(--t),background var(--t);
}
.remind-form input::placeholder{color:rgba(242,239,247,.42)}
.remind-form input:focus{outline:none;border-color:var(--cyan);background:rgba(255,255,255,.10)}
.form-note{grid-column:1/-1;font-size:13px;color:rgba(242,239,247,.5);margin:0}
.form-note.is-ok{color:var(--cyan)}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-points span{
  font-size:12px;border:1px solid var(--line-dark);border-radius:var(--r-pill);
  padding:5px 12px;color:rgba(242,239,247,.75);background:rgba(255,255,255,.05);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(242,239,247,.72);padding:80px 0 0;margin:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;
  padding-bottom:48px;border-bottom:1px solid var(--line-dark);
}
.site-footer .brand-mark{background:rgba(255,255,255,.08);color:var(--cyan)}
.site-footer .brand-text{color:var(--on-dark)}
.site-footer .brand-sub{color:rgba(242,239,247,.5);border-color:var(--line-dark)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,239,247,.62);margin:18px 0 0;max-width:340px}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(242,239,247,.72);transition:color var(--t)}
.footer-col a:hover{color:var(--cyan)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(242,239,247,.62);margin:0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(242,239,247,.5);font-variant-numeric:tabular-nums;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:64px 0}
  .section-sm{padding:56px 0}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 24px 16px;
    border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(43,31,61,.10);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0 14px 14px;font-size:16px;border-bottom:1px solid var(--line);width:100%}
  .nav-links a::after{display:none}
  .nav-links a.is-active::before{left:0;top:50%}
  .nav-links a.is-active{border-left:2px solid var(--cyan)}
  .nav-toggle{display:flex}
  .nav-right{gap:14px}
  .nav-cta{display:none}
  .article-cover{margin-top:26px}
  .article-shell{margin-top:36px}
  .faq-item{grid-template-columns:1fr;gap:10px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .brand-text{font-size:15px}
  .brand-sub{display:none}
  .article-title{font-size:26px}
  .article-meta{gap:10px}
  .article-lead{padding-left:12px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .sec-title{font-size:24px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:23px}
  .remind-form{grid-template-columns:1fr}
  .remind-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .related-item{padding:18px 0;gap:14px}
  .empty-state{padding:40px 20px}
}

/* roulang page: category2 */
:root{
  --ink:#2B1F3D;
  --ink-deep:#1A1228;
  --ink-light:#4A3A6B;
  --cyan:#2ED3B7;
  --orange:#FF7A45;
  --bg:#F7F5F2;
  --surface:#EFEBE5;
  --dark:#1E1729;
  --text:#1C1A22;
  --text-2:#57515F;
  --text-3:#8E8798;
  --text-inv:#F2EFF7;
  --line:#E3DCD3;
  --line-dark:rgba(255,255,255,.10);
  --ok:#2FA36B;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(43,31,61,.06);
  --sh-2:0 10px 28px rgba(43,31,61,.12);
  --t:.28s ease;
  --gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.02em;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;letter-spacing:.02em;color:var(--ink)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1180px;padding-left:24px;padding-right:24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1180px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  position:relative;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);
  display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:16px;font-weight:600;color:var(--ink);letter-spacing:.04em;white-space:nowrap}
.brand-sub{
  font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:999px;
  padding:1px 7px;line-height:1.7;white-space:nowrap;
}
.nav-right{display:flex;align-items:center;gap:28px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;padding:6px 0;font-size:15px;color:var(--text-2);letter-spacing:.02em;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--cyan);transition:width var(--t);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{width:100%}
.nav-links a.is-active::before{
  content:"";position:absolute;left:-13px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--cyan);
}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;position:relative;padding:0;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:1.6px;background:var(--ink);
  border-radius:2px;transition:transform var(--t);
}
.nav-toggle span:nth-child(1){top:20px}
.nav-toggle span:nth-child(2){top:27px}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;transition:all var(--t);
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#F2603A;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,69,.28)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(43,31,61,.08)}
.btn-light{border-color:rgba(255,255,255,.28);color:var(--text-inv);background:transparent}
.btn-light:hover{background:rgba(255,255,255,.1)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;letter-spacing:.04em;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
}
.badge-cyan{border-color:rgba(46,211,183,.5);background:rgba(46,211,183,.12);color:#127A67}
.badge-orange{border-color:rgba(255,122,69,.45);background:rgba(255,122,69,.12);color:#C24C1E}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 1.9s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(46,211,183,.55)}
  70%{box-shadow:0 0 0 8px rgba(46,211,183,0)}
  100%{box-shadow:0 0 0 0 rgba(46,211,183,0)}
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(43,31,61,.2);padding-bottom:2px;
}
.link-arrow i{transition:transform var(--t)}
.link-arrow:hover{color:var(--cyan)}
.link-arrow:hover i{transform:translateX(4px)}
.link-more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--cyan)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:var(--text-inv)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(26,18,40,.95) 0%,rgba(43,31,61,.88) 48%,rgba(30,23,41,.66) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:44px;padding-bottom:72px}
.crumbs{font-size:13px;color:rgba(242,239,247,.6);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:32px}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{color:rgba(242,239,247,.34)}
.crumbs .now{color:var(--cyan)}
.hero-tag{margin-bottom:20px}
.page-hero .badge{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2);color:var(--text-inv)}
.page-hero h1{
  font-size:44px;color:#fff;max-width:820px;letter-spacing:.02em;margin-bottom:20px;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:rgba(242,239,247,.78);max-width:720px;margin-bottom:18px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:rgba(242,239,247,.62);
  font-variant-numeric:tabular-nums;margin-bottom:32px;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-dark);border:1px solid var(--line-dark);
  border-radius:var(--r-card);overflow:hidden;margin-top:48px;
}
.metric{background:rgba(255,255,255,.035);padding:20px 22px}
.metric b{
  display:block;font-size:26px;color:#fff;line-height:1.3;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.metric span{font-size:13px;color:rgba(242,239,247,.62)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap) 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:30px}
.sec-head p{font-size:15px;color:var(--text-2);margin:12px 0 0;max-width:680px;line-height:1.8}
.sec-eyebrow{
  font-size:13px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;
  display:block;margin-bottom:12px;
}
.dark-band{background:var(--dark);color:var(--text-inv);padding:80px 0;position:relative;overflow:hidden}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;opacity:.16;
}
.dark-band .wrap{position:relative;z-index:2}
.dark-band h2{color:#fff}
.dark-band .sec-head p,.dark-band .lead{color:rgba(242,239,247,.72)}
.lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:780px}

/* ---------- 编辑式条目 ---------- */
.entry-list{border-top:1px solid var(--line);margin-top:8px}
.entry{
  display:grid;grid-template-columns:64px 1fr 40px;gap:24px;align-items:start;
  padding:26px 12px 26px 0;border-bottom:1px solid var(--line);transition:background var(--t);
}
.entry:hover{background:rgba(43,31,61,.03)}
.entry .num{
  font-size:14px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.06em;padding-top:4px;
}
.entry h3{font-size:18px;margin-bottom:8px}
.entry p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0}
.entry .go{color:var(--text-3);padding-top:4px;transition:all var(--t);text-align:right}
.entry:hover .go{color:var(--cyan);transform:translateX(4px)}

/* ---------- 图文交错 ---------- */
.zig{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.zig:first-of-type{border-top:0;padding-top:0}
.zig.is-reverse .zig-media{order:2}
.zig-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--surface)}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t)}
.zig-media:hover img{transform:scale(1.03)}
.zig-num{font-size:13px;font-weight:700;letter-spacing:.18em;color:#127A67}
.zig h3{font-size:20px;margin:10px 0 12px}
.zig p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:14px}
.dot-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.9;color:var(--text-2)}
.dot-list li+li{margin-top:6px}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--cyan);
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:44px}
.flow-item{border-top:1px solid var(--line-dark);padding-top:20px;position:relative}
.flow-item::before{
  content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--cyan);
}
.flow-item time{
  display:block;font-size:13px;color:rgba(242,239,247,.6);font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.flow-item h3{font-size:17px;color:#fff;margin:10px 0 8px}
.flow-item p{font-size:14px;line-height:1.8;color:rgba(242,239,247,.72);margin:0}

/* ---------- 数据面板 ---------- */
.panel-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:24px;margin-top:12px}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);transition:all var(--t);
}
.panel:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.panel h3{font-size:19px;margin-bottom:12px}
.panel p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0}
.panel .big{
  font-size:34px;font-weight:700;color:var(--ink);line-height:1.25;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.panel .cap{font-size:13px;color:var(--text-3);display:block;margin-bottom:14px}
.panel-dark{background:var(--dark);border-color:rgba(255,255,255,.12)}
.panel-dark h3{color:#fff}
.panel-dark p{color:rgba(242,239,247,.72)}
.panel-dark .big{color:var(--cyan)}
.panel-dark .cap{color:rgba(242,239,247,.55)}
.mini-list li{
  display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);
  padding:9px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums;
}
.mini-list li:last-child{border-bottom:0}
.mini-list b{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{
  display:grid;grid-template-columns:4fr 8fr;gap:32px;padding:28px 0;border-bottom:1px solid var(--line);
}
.faq-item h3{font-size:17px;line-height:1.65;font-weight:600}
.faq-item p{font-size:15px;line-height:1.9;color:var(--text-2);margin:0}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;background:var(--dark);border-radius:18px;
  padding:56px;display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;
  color:var(--text-inv);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;opacity:.2;
}
.cta>*{position:relative;z-index:2}
.cta h2{color:#fff;font-size:28px;margin-bottom:14px}
.cta p{font-size:15px;line-height:1.85;color:rgba(242,239,247,.74);margin:0}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:rgba(242,239,247,.72);margin-bottom:8px}
.field input{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;padding:0 14px;transition:border-color var(--t);
}
.field input::placeholder{color:rgba(242,239,247,.42)}
.field input:focus{border-color:var(--cyan);outline:2px solid var(--cyan);outline-offset:1px}
.form-hint{font-size:13px;color:rgba(242,239,247,.5);margin-top:10px}

/* ---------- 分类互链 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cross-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:all var(--t);
}
.cross-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(46,211,183,.5)}
.cross-card .num{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.14em}
.cross-card h3{font-size:18px;margin:12px 0 10px;transition:color var(--t)}
.cross-card:hover h3{color:#127A67}
.cross-card p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0 0 16px}
.cross-card .go{font-size:14px;color:var(--text-3);display:inline-flex;align-items:center;gap:8px}
.cross-card:hover .go{color:var(--cyan)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,239,247,.7);padding:80px 0 32px;font-size:14px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line-dark);
}
.site-footer .brand-mark{background:rgba(255,255,255,.08);color:var(--cyan)}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:rgba(242,239,247,.6);border-color:rgba(255,255,255,.16)}
.footer-brand p{margin:16px 0 0;line-height:1.9;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600}
.footer-col li+li{margin-top:10px}
.footer-col a{color:rgba(242,239,247,.7)}
.footer-col a:hover{color:var(--cyan)}
.footer-col p{margin:0;line-height:1.9}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(242,239,247,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gap:56px}
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);
    padding:6px 24px 16px;box-shadow:var(--sh-1);
  }
  .site-header.nav-open .nav-links{display:flex}
  .nav-links a{padding:0 0 0 12px;line-height:52px;font-size:15px;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
  .nav-links a::after{display:none}
  .nav-links a.is-active{font-weight:600;border-left:2px solid var(--cyan)}
  .nav-links a.is-active::before{display:none}
  .nav-right{gap:14px}
  .page-hero .wrap{padding-top:32px;padding-bottom:56px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .metric-strip{grid-template-columns:repeat(2,1fr);margin-top:36px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .zig{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .zig.is-reverse .zig-media{order:0}
  .zig h3{font-size:18px}
  .flow{grid-template-columns:1fr 1fr;gap:20px}
  .panel-grid{grid-template-columns:1fr 1fr}
  .faq-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .cta{grid-template-columns:1fr;padding:36px 26px;gap:28px}
  .cta h2{font-size:24px}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dark-band{padding:56px 0}
  .entry{grid-template-columns:44px 1fr;gap:16px}
  .entry .go{display:none}
}
@media (max-width:639px){
  .wrap,.nav-wrap{padding-left:18px;padding-right:18px}
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-text{font-size:15px}
  .brand-sub{display:none}
  .nav-cta{height:36px;padding:0 14px;font-size:13px}
  .page-hero h1{font-size:30px}
  .metric{left:0;padding:16px 18px}
  .metric b{font-size:22px}
  .metric-strip{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr}
  .panel-grid{grid-template-columns:1fr}
  .panel{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .section-tight{padding:44px 0}
}

/* roulang page: category3 */
:root{
  --purple:#2B1F3D;
  --purple-deep:#1A1228;
  --purple-soft:#4A3A6B;
  --teal:#2ED3B7;
  --orange:#FF7A45;
  --orange-deep:#F2652C;
  --bg:#F7F5F2;
  --surface:#EFEBE5;
  --dark:#1E1729;
  --ink:#1C1A22;
  --ink-2:#57515F;
  --ink-3:#8E8798;
  --white-ink:#F2EFF7;
  --line:#E3DCD3;
  --line-dark:rgba(255,255,255,.10);
  --ok:#2FA36B;
  --warn:#D97706;
  --err:#C2410C;
  --r-card:14px;
  --r-img:12px;
  --r-in:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(43,31,61,.06);
  --sh-2:0 10px 28px rgba(43,31,61,.12);
  --sec:96px;
  --sec-m:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .28s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:min(1180px,100% - 48px);margin:0 auto}
.section{padding:var(--sec) 0}
.section.tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:30px;color:var(--ink)}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px;line-height:1.8}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--teal);text-transform:uppercase;margin-bottom:12px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--purple);font-weight:600;white-space:nowrap}
.link-arrow i{transition:transform .28s ease}
.link-arrow:hover{color:var(--teal)}
.link-arrow:hover i{transform:translateX(4px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;transition:all .28s ease}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 1px 2px rgba(43,31,61,.10)}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,69,.28)}
.btn-primary:active{transform:translateY(0);background:#E05520}
.btn-ghost{background:transparent;border-color:rgba(43,31,61,.35);color:var(--purple)}
.btn-ghost:hover{background:rgba(43,31,61,.08);border-color:var(--purple)}
.btn-ghost-light{background:transparent;border-color:rgba(242,239,247,.4);color:var(--white-ink)}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);border-color:var(--white-ink)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);border:1px solid currentColor;letter-spacing:.04em}
.badge-teal{color:#1B9C86;border-color:rgba(46,211,183,.55);background:rgba(46,211,183,.10)}
.badge-orange{color:#C2521F;border-color:rgba(255,122,69,.55);background:rgba(255,122,69,.10)}
.badge-dark{color:var(--teal);border-color:rgba(46,211,183,.5);background:rgba(255,255,255,.06)}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{width:min(1180px,100% - 48px);margin:0 auto;height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--purple);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;line-height:1}
.brand-text{font-size:17px;font-weight:700;color:var(--purple);letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.4}
.nav-right{display:flex;align-items:center;gap:28px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{position:relative;font-size:15px;color:var(--ink-2);padding:4px 0;letter-spacing:.02em}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--teal);transition:width .28s ease}
.nav-links a:hover{color:var(--purple)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--purple);font-weight:600}
.nav-links a.is-active::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--teal)}
.nav-links a.is-active::after{width:100%}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:transparent;position:relative;cursor:pointer}
.nav-toggle span{position:absolute;left:12px;width:20px;height:1.5px;background:var(--purple);transition:.28s ease}
.nav-toggle span:nth-child(1){top:17px}
.nav-toggle span:nth-child(2){top:25px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--purple-deep);color:var(--white-ink)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(26,18,40,.96) 0%,rgba(43,31,61,.86) 46%,rgba(43,31,61,.52) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 80px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,239,247,.6);margin-bottom:26px}
.crumb a:hover{color:var(--teal)}
.crumb span.sep{color:rgba(242,239,247,.35)}
.crumb .current{color:var(--teal)}
.cat-hero h1{font-size:44px;line-height:1.3;max-width:820px;margin:16px 0 18px;color:#fff}
.cat-hero-sub{font-size:15px;line-height:1.9;color:rgba(242,239,247,.78);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;padding-top:32px;border-top:1px solid var(--line-dark)}
.metric-item{border-left:2px solid rgba(46,211,183,.5);padding-left:16px}
.metric-item b{display:block;font-size:28px;font-weight:700;color:var(--teal);line-height:1.3}
.metric-item span{display:block;font-size:13px;color:rgba(242,239,247,.66);margin-top:6px}

/* ---------- timeline ---------- */
.timeline{border-top:1px solid var(--line)}
.tl-item{display:grid;grid-template-columns:96px 1fr;gap:32px;padding:28px 24px 28px 8px;border-bottom:1px solid var(--line);transition:background .28s ease,padding .28s ease}
.tl-item:hover{background:rgba(46,211,183,.06)}
.tl-num{font-size:30px;font-weight:700;color:var(--teal);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-body h3{font-size:20px;color:var(--ink);margin-bottom:8px}
.tl-body p{font-size:15px;color:var(--ink-2);line-height:1.9;max-width:780px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.tl-meta span{font-size:13px;color:var(--ink-3)}
.tl-meta span i{color:var(--teal);margin-right:5px}

/* ---------- highlight cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.h-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;display:flex;flex-direction:column}
.h-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CCC0}
.h-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.h-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.h-card:hover .h-thumb img{transform:scale(1.03)}
.h-thumb .badge{position:absolute;top:12px;left:12px;background:rgba(26,18,40,.72);border-color:rgba(255,122,69,.6);color:#FFB08A}
.h-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.h-body h3{font-size:18px;margin-bottom:10px;color:var(--ink)}
.h-card:hover .h-body h3{color:var(--purple-soft)}
.h-body p{font-size:15px;color:var(--ink-2);line-height:1.8;flex:1}
.h-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.h-foot .meta{font-size:13px;color:var(--ink-3)}
.h-foot .link-arrow{font-size:14px}

/* ---------- flow + dark band ---------- */
.flow-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.flow-media{border-radius:var(--r-img);overflow:hidden;background:var(--surface);aspect-ratio:4/3}
.flow-media img{width:100%;height:100%;object-fit:cover}
.flow-list{counter-reset:step}
.flow-item{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.flow-item:first-child{padding-top:0}
.flow-item:last-child{border-bottom:0;padding-bottom:0}
.flow-idx{width:44px;height:44px;border-radius:50%;border:1px solid rgba(43,31,61,.25);color:var(--purple);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.flow-item h3{font-size:18px;margin-bottom:6px}
.flow-item p{font-size:15px;color:var(--ink-2);line-height:1.85}

.dark-band{background:var(--dark);color:var(--white-ink);padding:80px 0;position:relative;overflow:hidden}
.dark-band::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,211,183,.16),transparent 68%)}
.dark-band .wrap{position:relative;z-index:2}
.dark-band h2{font-size:30px;color:#fff;margin-bottom:12px}
.dark-band .lead{font-size:15px;color:rgba(242,239,247,.7);max-width:640px;margin-bottom:44px}
.bar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.bar-item{border-top:2px solid rgba(46,211,183,.55);padding-top:20px}
.bar-item b{display:block;font-size:34px;color:#fff;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.bar-item span{display:block;font-size:14px;color:var(--teal);margin-top:8px}
.bar-item p{font-size:14px;color:rgba(242,239,247,.62);margin-top:8px;line-height:1.75}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{display:grid;grid-template-columns:4fr 8fr;gap:40px;padding:30px 0;border-bottom:1px solid var(--line)}
.faq-q{font-size:17px;font-weight:600;color:var(--purple);line-height:1.7;position:relative;padding-left:26px}
.faq-q::before{content:"+";position:absolute;left:0;top:0;color:var(--teal);font-weight:400;font-size:20px;line-height:1.4}
.faq-a{font-size:15px;color:var(--ink-2);line-height:1.9;max-width:760px}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--purple);color:var(--white-ink);border-radius:20px;overflow:hidden;padding:64px 56px}
.cta-band::after{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.18}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:14px}
.cta-inner p{font-size:15px;color:rgba(242,239,247,.75);line-height:1.9}
.remind-form{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:28px}
.remind-form label{display:block;font-size:14px;color:rgba(242,239,247,.72);margin-bottom:10px}
.remind-form .field{display:flex;gap:12px;flex-wrap:wrap}
.remind-form input[type="email"]{flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-in);border:1px solid rgba(255,255,255,.18);background:rgba(26,18,40,.5);color:#fff;font-size:15px;transition:border-color .28s ease,box-shadow .28s ease}
.remind-form input[type="email"]::placeholder{color:rgba(242,239,247,.42)}
.remind-form input[type="email"]:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 2px rgba(46,211,183,.35)}
.remind-form .btn{flex:0 0 auto}
.remind-note{font-size:13px;color:rgba(242,239,247,.55);margin-top:12px}
.remind-msg{font-size:13px;margin-top:10px;color:var(--teal);min-height:18px}

/* ---------- related ---------- */
.rel-list{border-top:1px solid var(--line)}
.rel-item{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:24px;padding:26px 8px;border-bottom:1px solid var(--line);transition:background .28s ease}
.rel-item:hover{background:#fff}
.rel-idx{font-size:16px;font-weight:700;color:var(--teal);font-variant-numeric:tabular-nums}
.rel-body h3{font-size:18px;margin-bottom:6px}
.rel-item:hover .rel-body h3{color:var(--purple-soft)}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.8}
.rel-item .link-arrow{font-size:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--white-ink);padding:80px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.4fr 3.2fr;gap:48px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--teal)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(242,239,247,.6);border-color:var(--line-dark)}
.footer-brand p{font-size:14px;color:rgba(242,239,247,.7);line-height:1.9;margin-top:18px;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(242,239,247,.7)}
.footer-col ul li a:hover{color:var(--teal)}
.footer-col p{font-size:14px;color:rgba(242,239,247,.7);line-height:1.9}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(242,239,247,.6)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec:72px;--sec-m:56px}
  .nav-links{
    position:fixed;top:72px;right:0;height:calc(100vh - 72px);width:min(320px,84vw);
    background:var(--purple-deep);flex-direction:column;align-items:stretch;gap:0;
    padding:16px 22px 40px;transform:translateX(102%);transition:transform .3s ease;
    overflow-y:auto;box-shadow:-12px 0 32px rgba(26,18,40,.28);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{color:var(--white-ink);font-size:16px;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line-dark)}
  .nav-links a::after{display:none}
  .nav-links a:hover{color:var(--teal)}
  .nav-links a.is-active{color:var(--teal);border-left:2px solid var(--teal);padding-left:12px}
  .nav-links a.is-active::before{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .cat-hero h1{font-size:32px}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:24px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:1fr;gap:36px}
  .bar-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:48px 32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
}
@media (max-width:767px){
  .wrap{width:min(1180px,100% - 36px)}
  .nav-wrap{width:min(1180px,100% - 36px);height:64px}
  .nav-links{top:64px;height:calc(100vh - 64px)}
  .brand-text{font-size:15px}
  .cat-hero-inner{padding:40px 0 56px}
  .cat-hero h1{font-size:27px}
  .section{padding:var(--sec-m) 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:23px}
  .metric-row{grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;padding-top:24px}
  .metric-item b{font-size:22px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding:22px 4px}
  .tl-num{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .faq-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .faq-q{padding-left:22px}
  .bar-grid{grid-template-columns:1fr 1fr;gap:26px}
  .bar-item b{font-size:26px}
  .cta-band{padding:36px 22px;border-radius:16px}
  .cta-inner h2{font-size:23px}
  .remind-form{padding:20px}
  .rel-item{grid-template-columns:44px 1fr;gap:16px;padding:20px 4px}
  .rel-item .link-arrow{grid-column:2;justify-self:start;margin-top:6px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px}
  .footer-bottom{margin-top:36px}
}
@media (max-width:520px){
  .metric-row{grid-template-columns:1fr}
  .bar-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
}