/* roulang page: index */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(23,21,34,.05);
  --shadow-2:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--c-brand-deep)}
h1,h2,h3,h4{margin:0;color:inherit;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25}
.section-desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:620px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-ink-3);margin-bottom:14px}
.eyebrow::before{content:"";display:inline-block;width:18px;height:2px;background:var(--c-accent);vertical-align:middle;margin-right:8px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);white-space:nowrap}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:#F1EEF7;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--c-accent);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);position:relative;padding-bottom:2px}
.link-arrow::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow:hover{color:var(--c-brand-deep)}

/* ---------- badges & pills ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:500;background:var(--c-surface-alt);color:var(--c-ink-2);border:1px solid var(--c-line);line-height:1}
.badge-gold{background:var(--c-accent-soft);border-color:rgba(224,163,58,.5);color:#7A5210}
.pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:13px;color:#CFC9DE;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);white-space:nowrap}
.pill:hover{border-color:var(--c-accent);color:#fff;background:rgba(224,163,58,.12)}
.pill-light{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--c-ink-2);background:var(--c-surface);border:1px solid var(--c-line);transition:border-color .24s var(--ease),color .24s var(--ease);white-space:nowrap}
.pill-light:hover{border-color:var(--c-accent);color:var(--c-brand)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-paper);border-bottom:1px solid transparent;transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-stuck{background:rgba(247,244,238,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--c-line);box-shadow:0 6px 22px -18px rgba(23,21,34,.5)}
.brand-bar{display:flex;align-items:center;gap:28px;height:56px;transition:height .24s var(--ease)}
.site-header.is-stuck .brand-bar{height:52px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--c-ink);font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--c-ink)}
.brand-star{flex:none;filter:drop-shadow(0 2px 6px rgba(224,163,58,.35))}
.brand-text{white-space:nowrap}
.search-form{flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center}
.search-form svg{position:absolute;left:14px;width:16px;height:16px;color:var(--c-ink-3);pointer-events:none}
.search-input{width:100%;height:38px;padding:0 14px 0 40px;border-radius:var(--r-btn);border:1px solid transparent;background:var(--c-surface-alt);color:var(--c-ink);font-size:14px;transition:border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease)}
.search-input::placeholder{color:var(--c-ink-3)}
.search-input:focus{outline:none;background:var(--c-surface);border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(59,52,160,.14)}
.brand-links{display:flex;align-items:center;gap:20px;margin-left:auto;flex:none}
.brand-links a{font-size:13px;color:var(--c-ink-2)}
.brand-links a:hover{color:var(--c-brand)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--c-line);border-radius:var(--r-btn);color:var(--c-ink)}
.burger:hover{border-color:var(--c-brand);color:var(--c-brand)}
.channel-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:48px;border-top:1px solid var(--c-line)}
.channels{display:flex;align-items:center;gap:28px;height:100%}
.chan{position:relative;display:inline-flex;align-items:center;height:100%;font-size:14px;font-weight:500;color:var(--c-ink-2);white-space:nowrap}
.chan:hover{color:var(--c-brand)}
.chan.is-active{color:var(--c-brand);font-weight:600}
.chan.is-active::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--c-accent);border-radius:2px}
.hot-words{display:flex;align-items:center;gap:8px}
.hot-words .pill-light{height:26px;font-size:12px;padding:0 12px}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,16,27,.55);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:var(--c-deep);color:#F1EEF7;z-index:100;transform:translateX(100%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:20px 20px 32px;overflow-y:auto}
.drawer.is-open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-brand{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:16px}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-btn);color:#fff;font-size:20px;line-height:1}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent)}
.drawer-search{position:relative;margin-bottom:24px}
.drawer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:rgba(255,255,255,.5)}
.drawer-search input{width:100%;height:44px;padding:0 14px 0 40px;border-radius:var(--r-btn);background:var(--c-deep-2);border:1px solid rgba(255,255,255,.14);color:#fff;font-size:14px}
.drawer-search input::placeholder{color:rgba(255,255,255,.45)}
.drawer-search input:focus{outline:none;border-color:var(--c-accent)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:28px}
.drawer-nav a{padding:13px 4px;font-size:15px;color:#C9C3D8;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.4);margin-bottom:12px}
.drawer-pills{display:flex;flex-wrap:wrap;gap:8px}
.drawer-pills .pill{height:28px;font-size:12px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--c-deep);color:#F1EEF7;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 18% 26%,rgba(224,163,58,.12),transparent 52%),
  radial-gradient(circle at 82% 74%,rgba(59,52,160,.42),transparent 58%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;animation:twinkle 7s ease-in-out infinite;
  background-image:
    radial-gradient(1.4px 1.4px at 8% 22%,#fff,transparent),
    radial-gradient(1.2px 1.2px at 17% 62%,#fff,transparent),
    radial-gradient(1.6px 1.6px at 26% 34%,#E0A33A,transparent),
    radial-gradient(1.1px 1.1px at 33% 78%,#fff,transparent),
    radial-gradient(1.3px 1.3px at 44% 16%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 52% 54%,#fff,transparent),
    radial-gradient(1.1px 1.1px at 61% 24%,#E0A33A,transparent),
    radial-gradient(1.4px 1.4px at 68% 70%,#fff,transparent),
    radial-gradient(1.2px 1.2px at 76% 40%,#fff,transparent),
    radial-gradient(1.6px 1.6px at 84% 18%,#fff,transparent),
    radial-gradient(1.1px 1.1px at 90% 60%,#E0A33A,transparent),
    radial-gradient(1.3px 1.3px at 96% 84%,#fff,transparent)}
@keyframes twinkle{0%,100%{opacity:.16}50%{opacity:.32}}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:min(84vh,720px);padding:88px 0 64px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;color:#F1EEF7;border:1px solid rgba(224,163,58,.6);background:rgba(224,163,58,.08);margin-bottom:22px}
.hero h1{font-size:clamp(32px,4.2vw,56px);line-height:1.12;letter-spacing:-.02em;color:#fff;font-weight:700}
.h1-mark{position:relative;white-space:nowrap}
.h1-mark::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:5px;border-radius:3px;background:var(--c-accent);opacity:.85}
.hero-sub{margin-top:22px;font-size:16px;line-height:1.8;color:#CFC9DE;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;font-size:13px;color:#A9A3BC}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3.4;object-fit:cover;border-radius:var(--r-img);animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.hero-card{position:absolute;left:18px;bottom:18px;display:flex;align-items:center;gap:14px;background:#fff;color:var(--c-ink);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-2);font-size:13px;font-weight:600;max-width:calc(100% - 36px)}
.hero-card em{font-style:normal;color:var(--c-ink-2);font-weight:400;display:block;font-size:12px;margin-top:2px}
.hero-card .arrow{color:var(--c-brand);font-size:16px}
.hero-foot{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;align-items:center;gap:14px;overflow:hidden}
.hero-foot .label{font-size:12px;color:#8E88A3;letter-spacing:.1em;white-space:nowrap}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:8px}
.pillar{padding:8px 36px;border-left:1px solid var(--c-line)}
.pillar:first-child{border-left:0;padding-left:0}
.pillar:last-child{padding-right:0}
.pillar-num{font-size:48px;font-weight:700;line-height:1;color:var(--c-accent);opacity:.35;transition:opacity .24s var(--ease);display:block;margin-bottom:10px}
.pillar:hover .pillar-num{opacity:1}
.pillar h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px}
.pillar p{font-size:15px;color:var(--c-ink-2);max-width:340px;margin-bottom:16px}

/* ---------- showcase ---------- */
.showcase{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:48px;box-shadow:var(--shadow-1)}
.demo-row{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.demo-row.reverse{grid-template-columns:5fr 7fr}
.demo-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow-1);transition:transform .24s var(--ease)}
.demo-media:hover img{transform:scale(1.02)}
.demo-step{font-size:13px;letter-spacing:.1em;color:var(--c-accent);font-weight:600;margin-bottom:10px}
.demo-body h3{font-size:22px;line-height:1.4;margin-bottom:16px}
.demo-list li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);margin-bottom:10px}
.demo-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.pull-quote{margin:56px 0;padding-left:24px;border-left:3px solid var(--c-accent);font-size:clamp(20px,2.2vw,26px);line-height:1.55;font-weight:500;color:var(--c-ink);max-width:720px}

/* ---------- proof ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:56px}
.stat{padding:0 36px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-size:40px;font-weight:700;line-height:1.1;color:var(--c-brand)}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:8px}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 24px 24px;transition:box-shadow .24s var(--ease),border-color .24s var(--ease)}
.quote:hover{box-shadow:var(--shadow-2);border-color:rgba(59,52,160,.35)}
.quote::before{content:"“";position:absolute;top:4px;left:18px;font-size:46px;line-height:1;color:var(--c-accent);opacity:.55;font-family:Georgia,serif}
.quote p{position:relative;font-size:15px;color:var(--c-ink-2);margin:22px 0 14px}
.quote .author{font-size:13px;color:var(--c-ink-3)}

/* ---------- news ---------- */
.news-feature{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;transition:box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-feature:hover{box-shadow:var(--shadow-2);border-color:rgba(59,52,160,.3)}
.news-feature img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img)}
.news-feature h3{font-size:22px;line-height:1.45;margin:14px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature h3 a{color:var(--c-ink)}
.news-feature h3 a:hover{color:var(--c-brand)}
.news-feature .excerpt{font-size:15px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3)}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block}
.news-list{margin-top:8px}
.news-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 16px;border-bottom:1px solid var(--c-line);transition:background .24s var(--ease);border-radius:8px}
.news-row:hover{background:var(--c-surface-alt)}
.news-row-main{min-width:0;flex:1 1 auto}
.news-row-title{font-size:16px;font-weight:600;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .24s var(--ease);display:block}
.news-row:hover .news-row-title{color:var(--c-brand)}
.news-row-desc{font-size:13px;color:var(--c-ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}
.news-row-side{flex:none;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-3);white-space:nowrap}
.empty-state{text-align:center;padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card)}
.empty-state svg{color:var(--c-accent);margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:14px}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--c-brand)}
.faq-icon{flex:none;color:var(--c-accent);font-size:22px;line-height:1;transition:transform .24s var(--ease);font-weight:400}
details[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:760px}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--c-deep);color:#F1EEF7;overflow:hidden;padding:88px 0}
.cta-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.2;background-image:
  radial-gradient(1.4px 1.4px at 78% 24%,#fff,transparent),
  radial-gradient(1.2px 1.2px at 86% 58%,#E0A33A,transparent),
  radial-gradient(1.5px 1.5px at 92% 82%,#fff,transparent),
  radial-gradient(1.1px 1.1px at 70% 76%,#fff,transparent)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;color:#fff}
.cta-band p{margin-top:14px;font-size:15px;color:#CFC9DE;max-width:520px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-actions .link-arrow{color:#CFC9DE}
.cta-actions .link-arrow:hover{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:#C9C3D8;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;color:#A9A3BC;max-width:280px;line-height:1.8}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pills .pill{height:26px;font-size:12px;padding:0 12px}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:#C9C3D8;padding:6px 0;transition:color .24s var(--ease)}
.footer-link:hover{color:var(--c-accent)}
.footer-info{font-size:14px;color:#A9A3BC;padding:6px 0}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;padding:64px 0 48px}
  .hero-visual{max-width:640px}
  .pillars{grid-template-columns:1fr}
  .pillar{border-left:0;border-top:1px solid var(--c-line);padding:28px 0 0}
  .pillar:first-child{border-top:0;padding-top:0}
  .demo-row,.demo-row.reverse{grid-template-columns:1fr;gap:28px}
  .demo-row.reverse .demo-media{order:-1}
  .showcase{padding:32px}
  .stats{grid-template-columns:1fr;gap:0}
  .stat{border-left:0;border-top:1px solid var(--c-line);padding:24px 0 0;margin-top:24px}
  .stat:first-child{border-top:0;padding-top:0;margin-top:0}
  .quotes{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .search-form{max-width:280px}
  .hot-words{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .brand-bar{gap:12px;height:56px}
  .site-header.is-stuck .brand-bar{height:56px}
  .search-form,.brand-links,.channel-bar{display:none}
  .burger{display:inline-flex}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-card{font-size:12px;padding:10px 12px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-bottom:88px}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;align-items:center;justify-content:space-between;gap:12px;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -8px 24px -16px rgba(23,21,34,.45);padding:10px 16px calc(10px + env(safe-area-inset-bottom))}
  .mobile-bar span{font-size:13px;color:var(--c-ink-2);line-height:1.4}
  .pull-quote{margin:36px 0;font-size:19px}
  .news-row{padding:14px 0}
  .news-row-desc{display:none}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .pillar-num{font-size:38px}
  .stat-num{font-size:32px}
  .news-feature{padding:16px}
  .hero-foot .pill{height:28px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(23,21,34,.05);
  --shadow-2:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --read:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),border-color var(--t)}
a:hover{color:var(--c-brand-deep)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-0.01em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--c-paper);
  border-bottom:1px solid transparent;
  transition:background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{
  background:rgba(247,244,238,.95);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 22px -18px rgba(23,21,34,.6);
}
.brand-inner{display:flex;align-items:center;gap:24px;height:56px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.logo:hover{color:var(--c-brand)}
.logo svg{flex:none}
.nav-search{position:relative;flex:1 1 auto;max-width:400px;min-width:0}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);pointer-events:none}
.nav-search input{
  width:100%;height:38px;border-radius:10px;border:1px solid transparent;
  background:var(--c-surface-alt);color:var(--c-ink);
  padding:0 14px 0 38px;font-size:14px;line-height:1;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.nav-search input::placeholder{color:var(--c-ink-3)}
.nav-search input:focus{outline:none;border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(59,52,160,.12)}
.brand-links{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:13px;color:var(--c-ink-2)}
.brand-links a{color:var(--c-ink-2)}
.brand-links a:hover{color:var(--c-brand)}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;margin-left:auto;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;color:var(--c-ink);cursor:pointer;
  transition:border-color var(--t),color var(--t);
}
.menu-toggle:hover{border-color:var(--c-accent);color:var(--c-brand)}
.channel-row{border-top:1px solid var(--c-line)}
.channel-inner{display:flex;align-items:center;gap:24px;height:48px}
.channels{display:flex;align-items:center;gap:24px;flex-wrap:nowrap}
.chan{position:relative;font-size:14px;color:var(--c-ink-2);padding:13px 0;white-space:nowrap}
.chan:hover{color:var(--c-brand)}
.chan.is-active{color:var(--c-brand);font-weight:600}
.chan.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-accent);border-radius:2px}
.hot-terms{margin-left:auto;display:flex;align-items:center;gap:8px}
.pill-hot{
  display:inline-block;font-size:13px;line-height:1;padding:7px 13px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);color:var(--c-ink-2);background:transparent;transition:border-color var(--t),color var(--t),background-color var(--t);
}
.pill-hot:hover{border-color:var(--c-accent);color:var(--c-brand);background:var(--c-accent-soft)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(18,16,27,.55);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-inner{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--c-deep);color:#F1EEF7;padding:22px 22px 32px;
  transform:translateX(100%);transition:transform var(--t);
  overflow-y:auto;
}
.drawer.is-open .drawer-inner{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:#F1EEF7}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#F1EEF7;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent)}
.drawer-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:var(--c-deep-2);color:#F1EEF7;padding:0 14px;font-size:14px;
}
.drawer-search input::placeholder{color:rgba(241,238,247,.5)}
.drawer-search input:focus{outline:none;border-color:var(--c-accent)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin:22px 0 26px}
.drawer-nav a{
  display:block;padding:13px 2px;font-size:15px;color:#D6D1E3;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#FFFFFF}
.drawer-nav a.is-active{font-weight:600;box-shadow:inset 2px 0 0 var(--c-accent);padding-left:12px}
.drawer-hot-title{font-size:13px;letter-spacing:.08em;color:rgba(241,238,247,.55);margin-bottom:10px}
.drawer-hot .pill-row{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot .pill-hot{border-color:rgba(255,255,255,.18);color:#D6D1E3}
.drawer-hot .pill-hot:hover{border-color:var(--c-accent);color:var(--c-accent);background:transparent}

/* ---------- article shell ---------- */
.article-shell{
  max-width:var(--read);margin:0 auto;padding:36px 32px 0;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;line-height:1.6;color:var(--c-ink-2);margin-bottom:26px;
}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:var(--c-ink-3)}
.breadcrumb .current{color:var(--c-ink-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding-bottom:22px}
.badge{
  display:inline-block;font-size:13px;line-height:1;padding:7px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(224,163,58,.55);background:var(--c-accent-soft);color:#7A5410;font-weight:600;
  margin-bottom:16px;
}
.article-title{
  font-size:38px;line-height:1.25;font-weight:700;letter-spacing:-0.02em;
  max-height:none;overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);margin-top:16px;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block}
.article-rule{height:1px;background:var(--c-line);margin:0 0 30px}

/* ---------- article body ---------- */
.article-body{
  font-size:17.5px;line-height:1.9;color:var(--c-ink-2);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:26px;line-height:1.35;color:var(--c-ink);
  margin:2em 0 .9em;padding-left:12px;border-left:3px solid var(--c-accent);
  letter-spacing:-0.01em;
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:1.6em 0 .7em}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:1.4em 0 .6em}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(59,52,160,.28)}
.article-body a:hover{border-bottom-color:var(--c-brand)}
.article-body strong{color:var(--c-ink);font-weight:600}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em}
.article-body li{margin-bottom:8px}
.article-body ul li::marker,.article-body ol li::marker{color:var(--c-brand)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--c-surface-alt);
  border-left:3px solid var(--c-brand);border-radius:0 10px 10px 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;line-height:1.6}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;background:var(--c-surface);border-radius:10px;overflow:hidden}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body thead th{background:var(--c-surface-alt);color:var(--c-ink);font-weight:600}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body hr{border:none;height:1px;background:var(--c-line);margin:2em 0}
.article-body pre{background:var(--c-deep);color:#E7E3F2;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{background:var(--c-surface-alt);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:transparent;padding:0;color:inherit}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 24px 64px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
}
.empty-state svg{color:var(--c-accent);margin:0 auto 16px}
.empty-title{font-size:20px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.empty-desc{font-size:15px;color:var(--c-ink-2);max-width:420px;margin:0 auto 22px}

/* ---------- tags & related ---------- */
.article-foot{margin-top:44px}
.tags{display:flex;flex-wrap:wrap;gap:8px;padding:22px 0;border-top:1px solid var(--c-line)}
.tag{
  display:inline-block;font-size:13px;line-height:1;padding:8px 14px;border-radius:var(--r-pill);
  background:var(--c-surface-alt);color:var(--c-ink-2);border:1px solid transparent;
  transition:border-color var(--t),color var(--t),background-color var(--t);
}
.tag:hover{border-color:var(--c-accent);color:var(--c-brand);background:var(--c-accent-soft)}

.related{margin-top:18px;padding-top:34px;border-top:1px solid var(--c-line)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:22px;line-height:1.3}
.related-head .more{font-size:13px;color:var(--c-brand);border-bottom:1px solid transparent}
.related-head .more:hover{border-bottom-color:var(--c-accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 18px 16px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--c-brand)}
.rel-card .badge{margin-bottom:0;font-size:12px;padding:5px 10px}
.rel-card h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h3{color:var(--c-brand)}
.rel-card .rel-time{font-size:12px;color:var(--c-ink-3);margin-top:auto}

.article-foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:34px 0 8px}
.link-underline{font-size:14px;color:var(--c-brand);position:relative}
.link-underline::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.link-underline:hover::after{transform:scaleX(1)}

/* ---------- cta panel ---------- */
.article-cta{
  max-width:var(--read);margin:46px auto 0;padding:0 32px;
}
.article-cta-box{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px 34px;box-shadow:var(--shadow-1);
}
.article-cta-box h2{font-size:21px;line-height:1.4;margin-bottom:8px}
.article-cta-box p{font-size:14.5px;color:var(--c-ink-2);margin:0;max-width:520px}
.article-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#FFFFFF}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFFFF;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:#C9C3D8;margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:#F1EEF7;margin-bottom:14px}
.footer-brand:hover{color:#FFFFFF}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(201,195,216,.85);max-width:260px;margin-bottom:16px}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px}
.site-footer .pill{
  display:inline-block;font-size:13px;line-height:1;padding:7px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);color:#C9C3D8;transition:border-color var(--t),color var(--t);
}
.site-footer .pill:hover{border-color:var(--c-accent);color:var(--c-accent)}
.footer-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:#C9C3D8;padding:6px 0;transition:color var(--t),padding-left var(--t)}
.footer-link:hover{color:#FFFFFF;padding-left:4px}
.footer-info{font-size:13.5px;color:rgba(201,195,216,.85);margin:0 0 10px;line-height:1.7}
.footer-bottom{
  margin-top:52px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 18px calc(0px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  box-shadow:0 -8px 22px -18px rgba(23,21,34,.5);
}
.mobile-bar-text{font-size:13px;color:var(--c-ink-2);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;flex:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .article-shell{padding:30px 24px 0}
  .article-cta{padding:0 24px}
  .article-title{font-size:32px}
  .article-body{font-size:17px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .brand-inner{gap:12px}
  .brand-links,.nav-search,.hot-terms{display:none}
  .channel-row{display:none}
  .menu-toggle{display:inline-flex}
  .brand-inner{height:60px}
  .article-shell{padding:24px 20px 0}
  .article-cta{padding:0 20px}
  .article-title{font-size:28px;line-height:1.3}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .breadcrumb .current{max-width:170px}
  .article-cta-box{padding:26px 22px}
  .article-cta-box h2{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-bottom{margin-top:36px;font-size:12px}
  .mobile-bar{display:flex}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .article-shell{padding:20px 18px 0}
  .article-title{font-size:25px}
  .article-meta{gap:8px;font-size:12px}
  .article-body{font-size:16px}
  .btn{width:100%;height:46px}
  .article-foot-actions{flex-direction:column;align-items:stretch;gap:12px}
  .article-foot-actions .link-underline{text-align:center}
  .article-cta-actions{width:100%}
  .article-cta-actions .btn{width:100%}
  .article-cta-actions .link-underline{width:100%;text-align:center}
  .mobile-bar-text{font-size:12px}
  .mobile-bar .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-sm:10px;
  --r-card:14px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(23,21,34,.05);
  --sh-2:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
  --font:"Inter",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 24px -20px rgba(23,21,34,.65);
}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:56px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-stuck .brandbar-inner{height:52px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink);
  white-space:nowrap;
}
.logo svg{flex:0 0 auto;}
.logo:hover{color:var(--c-brand);}
.search{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  max-width:400px;
  height:40px;
  padding:0 12px;
  background:var(--c-surface-alt);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.search svg{flex:0 0 auto;color:var(--c-ink-3);}
.search:focus-within{
  background:var(--c-surface);
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(59,52,160,.14);
}
.search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--c-ink);
}
.search input::placeholder{color:var(--c-ink-3);}
.brand-actions{
  display:flex;
  align-items:center;
  gap:20px;
  margin-left:auto;
}
.mini-link{
  font-size:13px;
  color:var(--c-ink-2);
  white-space:nowrap;
  position:relative;
  padding-bottom:2px;
}
.mini-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:0;
  height:2px;
  background:var(--c-accent);
  transition:right var(--dur) var(--ease);
}
.mini-link:hover{color:var(--c-brand);}
.mini-link:hover::after{right:0;}
.burger{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:background var(--dur) var(--ease);
}
.burger span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
}
.burger:hover{background:var(--c-surface-alt);}

.chanbar{border-top:1px solid rgba(226,220,208,.9);}
.chanbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:48px;
}
.channels{
  display:flex;
  align-items:center;
  gap:22px;
  min-width:0;
}
.chan{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  font-size:14.5px;
  font-weight:500;
  color:var(--c-ink-2);
  white-space:nowrap;
}
.chan::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:9px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.chan:hover{color:var(--c-brand);}
.chan:hover::after{transform:scaleX(1);}
.chan.is-active{color:var(--c-brand);font-weight:600;}
.chan.is-active::after{transform:scaleX(1);}
.hotwords{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.hotwords::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:13px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.chip:hover{border-color:var(--c-accent);color:var(--c-brand);background:var(--c-accent-soft);}

/* ============ 移动端抽屉 ============ */
.scrim{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(18,16,27,.5);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.scrim.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;right:0;
  z-index:100;
  width:min(340px,86vw);
  height:100%;
  padding:24px 22px 40px;
  background:var(--c-deep);
  color:#F1EEF7;
  transform:translateX(102%);
  transition:transform 300ms var(--ease);
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.drawer-title{
  font-size:16px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.drawer-close{
  width:40px;height:40px;
  border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;line-height:1;
  color:#E9E4F4;
  background:rgba(255,255,255,.06);
  transition:background var(--dur) var(--ease);
}
.drawer-close:hover{background:rgba(255,255,255,.14);}
.drawer .search{
  max-width:none;
  width:100%;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.14);
}
.drawer .search input{color:#F1EEF7;}
.drawer .search input::placeholder{color:#A8A1BC;}
.drawer .search svg{color:#A8A1BC;}
.drawer-nav{
  display:flex;
  flex-direction:column;
}
.drawer-nav a{
  padding:13px 2px;
  font-size:15px;
  color:#CFC9DE;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#fff;}
.drawer-nav a.is-active{
  border-left:none;
  position:relative;
  padding-left:16px;
}
.drawer-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:4px;height:16px;
  margin-top:-8px;
  border-radius:4px;
  background:var(--c-accent);
}
.drawer-hot-title{
  font-size:12px;
  letter-spacing:.14em;
  color:#8E88A3;
  margin-bottom:10px;
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-chips a{
  font-size:13px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  color:#D9D3E8;
}
.drawer-chips a:hover{border-color:var(--c-accent);color:#fff;}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:60px 0 44px;
  background:var(--c-paper);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,58,.16),rgba(224,163,58,0) 68%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:22px;
}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:var(--c-line);}
.crumb .current{color:var(--c-ink-3);}
.page-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
}
.page-head h1{
  font-size:40px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.02em;
  max-width:760px;
}
.page-head h1 .accent{
  position:relative;
  white-space:nowrap;
}
.page-head h1 .accent::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:6px;
  border-radius:3px;
  background:rgba(224,163,58,.34);
  z-index:-1;
}
.lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink-2);
  max-width:640px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-brand);
  white-space:nowrap;
  position:relative;
}
.text-link svg{transition:transform var(--dur) var(--ease);}
.text-link:hover{color:var(--c-brand-deep);}
.text-link:hover svg{transform:translateX(3px);}
.page-head-row .text-link{padding-bottom:6px;}

/* ============ 频道胶囊切换 ============ */
.tabs-wrap{
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.tabs-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:var(--c-paper);
  font-size:13.5px;
  font-weight:500;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.tab:hover{border-color:var(--c-brand);color:var(--c-brand);}
.tab.is-active{
  background:var(--c-brand);
  border-color:var(--c-brand);
  color:#fff;
  font-weight:600;
}
.tab.is-active:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;}

/* ============ 列表板块 ============ */
.section{padding:68px 0 88px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:32px;
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.015em;
}
.section-head .sub{
  margin-top:10px;
  font-size:14.5px;
  color:var(--c-ink-2);
  max-width:600px;
}
.tag-label{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:26px;
  padding:0 12px;
  margin-bottom:14px;
  border-radius:999px;
  background:var(--c-accent-soft);
  color:#6B4B10;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag-label::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
}

.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry{
  display:flex;
  gap:20px;
  padding:22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.entry:hover,
.entry:focus-within{
  border-color:var(--c-brand);
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
}
.entry-body{
  min-width:0;
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
}
.entry-no{
  display:inline-block;
  font-size:16px;
  font-weight:700;
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
  color:var(--c-accent);
  line-height:1.2;
  margin-bottom:8px;
}
.entry h3{
  font-size:18.5px;
  font-weight:600;
  line-height:1.45;
  color:var(--c-ink);
  margin-bottom:8px;
}
.entry a.entry-title:hover h3,
.entry h3 a:hover{color:var(--c-brand);}
.entry p{
  font-size:14px;
  line-height:1.72;
  color:var(--c-ink-2);
  margin-bottom:14px;
}
.entry-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  font-variant-numeric:tabular-nums;
}
.entry-meta .dot{
  width:3px;height:3px;border-radius:50%;
  background:var(--c-ink-3);
  display:inline-block;
}
.entry-thumb{
  flex:0 0 160px;
  width:160px;
  height:110px;
  border-radius:12px;
  overflow:hidden;
  background:var(--c-surface-alt);
  align-self:flex-start;
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.entry:hover .entry-thumb img{transform:scale(1.04);}

.entry-divider{
  margin:26px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:16px 24px;
  border-radius:var(--r-card);
  background:var(--c-surface-alt);
  border:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-ink-2);
}
.entry-divider .divider-note{
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.entry-divider .divider-note::before{
  content:"";
  width:8px;height:8px;
  background:var(--c-accent);
  transform:rotate(45deg);
  border-radius:2px;
}
.entry-divider a{
  font-weight:600;
  color:var(--c-brand);
  white-space:nowrap;
}
.entry-divider a:hover{color:var(--c-brand-deep);}

/* ============ 提示面板 ============ */
.note-panel{
  position:relative;
  margin-top:36px;
  padding:26px 30px 26px 34px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.note-panel::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:3px;
  background:var(--c-accent);
}
.note-panel h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
}
.note-panel p{
  font-size:14.5px;
  line-height:1.78;
  color:var(--c-ink-2);
  max-width:860px;
}
.note-panel p + p{margin-top:8px;}

/* ============ 底部 CTA ============ */
.cta-band{
  padding:0 0 96px;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:44px 44px;
  border-radius:18px;
  border:1px solid var(--c-line);
  background:linear-gradient(180deg,#FFFFFF 0%,#FBF8F2 100%);
  box-shadow:var(--sh-1);
}
.cta-inner h2{
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.015em;
}
.cta-inner p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--c-ink-2);
  max-width:560px;
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{
  background:var(--c-brand);
  color:#fff;
  box-shadow:0 10px 22px -16px rgba(59,52,160,.9);
}
.btn-primary:hover{
  background:var(--c-brand-deep);
  transform:translateY(-2px);
  color:#fff;
}
.btn-ghost{
  background:transparent;
  border-color:var(--c-line);
  color:var(--c-ink);
}
.btn-ghost:hover{
  border-color:var(--c-accent);
  color:var(--c-brand);
  transform:translateY(-2px);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  color:#F1EEF7;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand:hover{color:var(--c-accent);}
.footer-desc{
  font-size:13.5px;
  line-height:1.8;
  color:#C9C3D8;
  max-width:290px;
  margin-bottom:18px;
}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;}
.footer-pills .pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;
  color:#D9D3E8;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-pills .pill:hover{border-color:var(--c-accent);color:#fff;}
.footer-title{
  font-size:12.5px;
  letter-spacing:.14em;
  color:#8E88A3;
  margin-bottom:16px;
}
.footer-link{
  display:block;
  font-size:13.5px;
  color:rgba(255,255,255,.74);
  padding:5px 0;
}
.footer-link:hover{color:var(--c-accent);}
.footer-info{
  font-size:13.5px;
  color:rgba(255,255,255,.7);
  padding:5px 0;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-head h1{font-size:36px;}
  .section-head h2{font-size:28px;}
  .cta-inner h2{font-size:25px;}
}
@media (max-width:1023px){
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .brand-actions .mini-link{display:none;}
  .page-head{padding:48px 0 36px;}
}
@media (max-width:860px){
  .search{max-width:280px;}
  .hotwords{display:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .brandbar-inner{height:56px;gap:14px;}
  .site-header.is-stuck .brandbar-inner{height:56px;}
  .search{display:none;}
  .burger{display:inline-flex;}
  .chanbar{display:none;}
  .page-head{padding:34px 0 28px;}
  .page-head h1{font-size:27px;line-height:1.3;}
  .page-head-row{flex-direction:column;align-items:flex-start;gap:16px;}
  .lead{font-size:15px;}
  .section{padding:48px 0 60px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:23px;}
  .tabs-inner{padding:12px 0;}
  .entry{padding:18px;gap:16px;}
  .entry h3{font-size:17px;}
  .entry-thumb{flex:0 0 112px;width:112px;height:88px;}
  .cta-inner{padding:30px 24px;border-radius:14px;}
  .cta-band{padding-bottom:64px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;gap:14px;}
  .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:36px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:560px){
  .entry{flex-direction:column-reverse;align-items:stretch;}
  .entry-thumb{width:100%;height:auto;flex:none;aspect-ratio:16/9;}
  .page-head h1{font-size:24px;}
  .entry-divider{padding:14px 18px;font-size:13px;}
  .note-panel{padding:22px 20px 22px 24px;}
  .cta-inner h2{font-size:20px;}
  .btn{height:44px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category3 */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(23,21,34,.05);
  --sh-2:0 14px 34px -14px rgba(23,21,34,.22);
  --t:240ms cubic-bezier(.22,.61,.36,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,sans-serif;
  background:var(--c-paper);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t),transform var(--t),box-shadow var(--t)}
a:hover{color:var(--c-brand-deep)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.sec{padding:88px 0}
.sec-label{
  display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--c-ink-3);
  text-transform:uppercase;margin-bottom:14px;
}
h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.lead{color:var(--c-ink-2);font-size:16px;margin-top:14px;max-width:720px}

/* ---------- 顶部导航 ---------- */
.site-head{position:sticky;top:0;z-index:80;background:rgba(247,244,238,.94);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-head.is-stuck{box-shadow:0 6px 22px -16px rgba(23,21,34,.5)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:56px;transition:height var(--t)}
.site-head.is-stuck .topbar-inner{height:52px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--c-brand)}
.brand svg{flex:0 0 auto}
.search{
  display:flex;align-items:center;gap:9px;flex:0 1 380px;min-width:220px;
  height:38px;padding:0 14px;background:var(--c-surface-alt);
  border:1px solid transparent;border-radius:var(--r-btn);transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.search:focus-within{border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(59,52,160,.12)}
.search i{color:var(--c-ink-3);font-size:13px}
.search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-ink);min-width:0;
}
.search input::placeholder{color:var(--c-ink-3)}
.topbar-links{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:13px}
.topbar-links a{color:var(--c-ink-2)}
.topbar-links a:hover{color:var(--c-brand)}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.chanbar{border-top:1px solid rgba(226,220,208,.7)}
.chanbar-inner{display:flex;align-items:center;gap:20px;height:48px}
.channels{display:flex;align-items:center;gap:26px}
.chan{position:relative;font-size:14px;color:var(--c-ink-2);padding:12px 0;white-space:nowrap}
.chan::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.chan:hover{color:var(--c-brand)}
.chan:hover::after,.chan.is-active::after{transform:scaleX(1)}
.chan.is-active{color:var(--c-brand);font-weight:600}
.hotpills{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hotpills::-webkit-scrollbar{display:none}
.hot{
  font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);white-space:nowrap;transition:all var(--t);
}
.hot:hover{border-color:var(--c-accent);color:var(--c-brand);background:var(--c-accent-soft)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:var(--c-deep);color:#F1EEF7;
  z-index:120;transform:translateX(104%);transition:transform var(--t);padding:22px 22px 40px;
  overflow-y:auto;display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,16,27,.5);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:110}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-top strong{font-size:15px;letter-spacing:.02em;color:#F1EEF7}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#F1EEF7;font-size:18px;line-height:1}
.drawer .search{flex:1 1 auto;min-width:0;background:var(--c-deep-2);border-color:rgba(255,255,255,.12)}
.drawer .search input{color:#F1EEF7}
.drawer .search input::placeholder{color:#9F98B4}
.drawer .search i{color:#9F98B4}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{color:#C9C3D8;padding:12px 4px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:var(--c-accent);font-weight:600}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot a{font-size:12px;color:#C9C3D8;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 12px}
.drawer-hot a:hover{border-color:var(--c-accent);color:#fff}

/* ---------- 页头 ---------- */
.page-head{padding:56px 0 40px;border-bottom:1px solid var(--c-line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-brand)}
.crumb .cur{color:var(--c-ink-2)}
.ph-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.page-head h1{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.02em;max-width:820px}
.ph-lead{margin-top:14px;color:var(--c-ink-2);font-size:16px;max-width:680px}
.back-home{font-size:14px;color:var(--c-ink-2);white-space:nowrap;border-bottom:2px solid transparent;padding-bottom:2px}
.back-home:hover{color:var(--c-brand);border-color:var(--c-accent)}

/* ---------- 频道切换条 ---------- */
.switchbar{padding:22px 0 0}
.switch-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}
.switch-inner::-webkit-scrollbar{display:none}
.sw{
  font-size:14px;padding:9px 18px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);white-space:nowrap;transition:all var(--t);
}
.sw:hover{border-color:var(--c-accent);color:var(--c-brand)}
.sw.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}
.sw.is-active:hover{background:var(--c-brand-deep);color:#fff}

/* ---------- 准备清单 ---------- */
.prep{padding-top:64px}
.prep-panel{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:48px;box-shadow:var(--sh-1);
}
.prep-media img{aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--sh-1)}
.checks{margin-top:26px;display:grid;gap:16px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);line-height:1.75}
.checks .dot{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--c-accent-soft);
  display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}
.checks .dot i{font-size:11px;color:#A97A16}
.checks b{color:var(--c-ink);font-weight:600}

/* ---------- 时间轴 ---------- */
.timeline-sec{background:var(--c-surface)}
.tl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.tl-head .hint{font-size:13px;color:var(--c-ink-3);white-space:nowrap}
.timeline{max-width:940px}
.tl-item{
  position:relative;display:grid;grid-template-columns:88px 1fr;column-gap:32px;padding-bottom:46px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:103px;top:14px;bottom:2px;width:2px;background:var(--c-line);
}
.tl-item:last-child::before{display:none}
.tl-item::after{
  content:"";position:absolute;left:97px;top:10px;width:14px;height:14px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 5px var(--c-surface);
}
.tl-step{text-align:right;padding-top:4px}
.tl-step .num{display:block;font-size:22px;font-weight:700;color:var(--c-accent);line-height:1.2;letter-spacing:-.02em}
.tl-step .tag{display:block;font-size:12px;color:var(--c-ink-3);margin-top:6px;line-height:1.5}
.tl-body{padding-top:2px}
.tl-title{font-size:20px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
.tl-desc{margin-top:10px;color:var(--c-ink-2);font-size:15px;line-height:1.8;max-width:640px}
.tl-meta{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap}
.tl-link{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid transparent;padding-bottom:1px}
.tl-link:hover{border-color:var(--c-accent)}
.tl-link i{font-size:11px;transition:transform var(--t)}
.tl-link:hover i{transform:translateX(3px)}
.tl-chip{
  font-size:12px;padding:3px 10px;border-radius:999px;background:var(--c-surface-alt);
  color:var(--c-ink-2);border:1px solid var(--c-line);
}

/* ---------- 易错点 ---------- */
.tips{background:var(--c-paper)}
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.tip{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.tip:hover{border-color:var(--c-brand);box-shadow:var(--sh-2);transform:translateY(-3px)}
.tip .ti{width:36px;height:36px;border-radius:10px;background:var(--c-accent-soft);display:inline-flex;align-items:center;justify-content:center;color:#A97A16;font-size:14px}
.tip h3{font-size:18px;font-weight:600;margin-top:16px}
.tip p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--c-surface)}
.faq-list{max-width:860px;margin-top:34px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand)}
.ic{position:relative;flex:0 0 16px;width:16px;height:16px}
.ic::before,.ic::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-accent);transform:translate(-50%,-50%);transition:transform var(--t),opacity var(--t)}
.ic::before{width:15px;height:2px}
.ic::after{width:2px;height:15px}
.faq-item[open] .ic::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 2px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:760px}

/* ---------- CTA 条 ---------- */
.cta-sec{padding:0 0 96px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:26px}
.cta-band p{color:var(--c-ink-2);font-size:15px;margin-top:10px;max-width:520px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;background:var(--c-brand);color:#fff;transition:all var(--t);
}
.btn:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand);background:transparent;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:#C9C3D8;padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;color:#F1EEF7;font-size:17px;font-weight:700}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.8;color:#9F98B4;margin-top:14px;max-width:280px}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{font-size:12px;color:#C9C3D8;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 12px;transition:all var(--t)}
.pill:hover{border-color:var(--c-accent);color:#fff}
.footer-title{font-size:13px;letter-spacing:.08em;color:#8D86A0;margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:#C9C3D8;padding:6px 0}
.footer-link:hover{color:#fff}
.footer-info{font-size:13.5px;color:#9F98B4;padding:6px 0;line-height:1.7}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动固定转化条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px -18px rgba(23,21,34,.6);
}
.mobile-bar span{font-size:13px;color:var(--c-ink-2)}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:36px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .prep-panel{grid-template-columns:1fr;gap:32px;padding:36px}
  .prep-media{order:-1}
  .tips-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .sec{padding:64px 0}
  .topbar-links{display:none}
  .search{flex:1 1 auto;max-width:420px}
}
@media (max-width:768px){
  .burger{display:inline-flex;margin-left:auto}
  .topbar-inner{gap:12px}
  .search{display:none}
  .chanbar{display:none}
  .page-head{padding:36px 0 28px}
  .page-head h1{font-size:28px;line-height:1.28}
  .ph-row{flex-direction:column;align-items:flex-start;gap:16px}
  .ph-lead{font-size:15px}
  .timeline{margin-left:0}
  .tl-item{grid-template-columns:1fr;column-gap:0;padding-left:40px;padding-bottom:36px}
  .tl-item::before{left:13px;top:30px;bottom:0}
  .tl-item::after{left:7px;top:14px}
  .tl-step{text-align:left;padding-top:0;margin-bottom:8px}
  .tl-step .num{display:inline-block;font-size:15px;margin-right:8px}
  .tl-step .tag{display:inline-block;margin-top:0}
  .tl-title{font-size:18px}
  .tips-grid{grid-template-columns:1fr}
  .cta-sec{padding-bottom:120px}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 28px}
  .faq-item summary{font-size:16px;padding:18px 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  h2{font-size:24px}
  .page-head h1{font-size:25px}
  .prep-panel{padding:26px 20px}
  .tl-desc{font-size:14.5px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .cta-band{padding:28px 20px}
  .mobile-bar .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-rest:0 1px 2px rgba(23,21,34,.05);
  --shadow-hover:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:240ms cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-brand-deep);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 18px -14px rgba(23,21,34,.45);
}
.brand-row{height:56px;display:flex;align-items:center;transition:height var(--ease);}
.site-header.is-stuck .brand-row{height:52px;}
.brand-inner{display:flex;align-items:center;gap:24px;}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;
  white-space:nowrap;flex:0 0 auto;
}
.logo:hover{color:var(--c-brand);}
.logo svg{flex:0 0 auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:420px;min-width:200px;
  background:var(--c-surface-alt);
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  height:38px;padding:0 12px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box:focus-within{
  background:var(--c-surface);
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(59,52,160,.14);
}
.search-box svg{flex:0 0 auto;color:var(--c-ink-3);}
.search-box input{
  border:0;background:transparent;outline:none;
  width:100%;height:100%;padding-left:8px;
  font-size:13.5px;color:var(--c-ink);font-family:inherit;
}
.search-box input::placeholder{color:var(--c-ink-3);}
.brand-links{display:flex;align-items:center;gap:20px;margin-left:auto;}
.brand-links a{font-size:13px;color:var(--c-ink-2);}
.brand-links a:hover{color:var(--c-brand);}
.menu-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;
  margin-left:auto;color:var(--c-ink);
}
.menu-toggle:hover{border-color:var(--c-brand);color:var(--c-brand);}
.channel-row{border-top:1px solid var(--c-line);}
.channel-inner{display:flex;align-items:center;gap:24px;height:48px;}
.channels{display:flex;align-items:center;gap:26px;flex-wrap:nowrap;}
.chan{
  position:relative;font-size:14.5px;color:var(--c-ink-2);
  padding:13px 0;white-space:nowrap;transition:color var(--ease);
}
.chan::after{
  content:"";position:absolute;left:0;right:0;bottom:7px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.chan:hover{color:var(--c-brand);}
.chan:hover::after{transform:scaleX(1);}
.chan.is-active{color:var(--c-brand);font-weight:600;}
.chan.is-active::after{transform:scaleX(1);}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap;overflow:hidden;}
.hot-tags .tag{
  font-size:13px;color:var(--c-ink-2);
  border:1px solid var(--c-line);border-radius:999px;
  padding:3px 12px;white-space:nowrap;background:transparent;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.hot-tags .tag:hover{border-color:var(--c-accent);color:var(--c-ink);background:var(--c-accent-soft);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,16,27,.55);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
  background:var(--c-deep);color:#F1EEF7;z-index:200;
  transform:translateX(100%);transition:transform var(--ease);
  padding:22px 22px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-title{font-size:15px;font-weight:600;color:#F1EEF7;display:inline-flex;align-items:center;gap:8px;}
.drawer-close{
  width:40px;height:40px;border:1px solid rgba(255,255,255,.22);border-radius:10px;
  background:transparent;color:#F1EEF7;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent);}
.drawer-search{
  display:flex;align-items:center;height:42px;border-radius:10px;
  background:var(--c-deep-2);border:1px solid rgba(255,255,255,.14);padding:0 12px;margin-bottom:20px;
}
.drawer-search input{
  border:0;background:transparent;outline:none;color:#F1EEF7;
  font-size:14px;width:100%;padding-left:8px;font-family:inherit;
}
.drawer-search input::placeholder{color:rgba(241,238,247,.5);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px;}
.drawer-nav a{
  color:#D6D1E2;font-size:15px;padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#fff;}
.drawer-nav a.is-active{color:var(--c-accent);}
.drawer-block-title{font-size:12px;letter-spacing:.1em;color:rgba(241,238,247,.5);margin-bottom:12px;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-tags a{
  font-size:13px;color:#D6D1E2;border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:5px 12px;
}
.drawer-tags a:hover{border-color:var(--c-accent);color:#fff;}

/* ============ 页头区 ============ */
.page-head{
  background:
    radial-gradient(circle at 88% 12%,rgba(224,163,58,.13),transparent 46%),
    linear-gradient(180deg,#FBF9F4 0%,var(--c-paper) 100%);
  border-bottom:1px solid var(--c-line);
  padding:56px 0 44px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-ink-3);}
.page-head-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.page-head-main{max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--c-ink-2);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:4px 14px;margin-bottom:18px;
}
.eyebrow svg{color:var(--c-accent);}
.page-head h1{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.02em;
  margin-bottom:14px;
}
.page-head h1 .hl{
  position:relative;white-space:nowrap;
}
.page-head h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;
  background:var(--c-accent-soft);border-radius:3px;z-index:-1;
}
.page-head .lead{font-size:16px;color:var(--c-ink-2);max-width:620px;}
.head-side{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding-bottom:6px;}
.back-home{font-size:14px;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;}
.back-home:hover{text-decoration:underline;text-decoration-color:var(--c-accent);text-underline-offset:5px;text-decoration-thickness:2px;}

/* 频道切换条 */
.channel-switch{border-bottom:1px solid var(--c-line);background:var(--c-surface);}
.switch-inner{
  display:flex;align-items:center;gap:10px;padding:16px 0;
  overflow-x:auto;scrollbar-width:none;
}
.switch-inner::-webkit-scrollbar{display:none;}
.switch-inner .chip{
  font-size:13.5px;padding:7px 16px;border-radius:999px;
  border:1px solid var(--c-line);color:var(--c-ink-2);white-space:nowrap;
  background:var(--c-surface);transition:all var(--ease);
}
.switch-inner .chip:hover{border-color:var(--c-brand);color:var(--c-brand);}
.switch-inner .chip.is-active{
  background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--c-paper);}
.section--white{background:var(--c-surface);}
.section--deep{background:var(--c-deep);color:#F1EEF7;}
.section-head{margin-bottom:44px;max-width:720px;}
.section-label{
  font-size:12.5px;letter-spacing:.14em;color:var(--c-ink-3);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.015em;margin-bottom:14px;}
.section-head p{font-size:15.5px;color:var(--c-ink-2);}
.section--deep .section-label{color:rgba(241,238,247,.55);}
.section--deep .section-head h2{color:#F1EEF7;}
.section--deep .section-head p{color:#C9C3D8;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand);}
.btn-arrow{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;position:relative;}
.btn-arrow::after{
  content:"";position:absolute;left:0;right:22px;bottom:-4px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.btn-arrow:hover::after{transform:scaleX(1);}

/* ============ 功能模块大卡 ============ */
.mod-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.mod-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-rest);
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  display:flex;flex-direction:column;
  overflow:hidden;
}
.mod-card:hover{border-color:var(--c-brand);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.mod-num{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--font-num);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--c-ink);
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  border-radius:999px;padding:3px 11px;
}
.mod-visual{
  position:relative;height:186px;background:var(--c-surface-alt);
  overflow:hidden;border-bottom:1px solid var(--c-line);
}
.mod-visual img{
  width:100%;height:100%;border-radius:0;
  transition:transform var(--ease);
}
.mod-card:hover .mod-visual img{transform:scale(1.02);}
.mod-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,21,34,.06),rgba(23,21,34,.30));
}
.mod-icon{
  position:absolute;right:16px;bottom:14px;z-index:2;
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);
  box-shadow:var(--shadow-rest);
}
.mod-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.mod-body h3{font-size:20px;font-weight:600;line-height:1.4;}
.mod-body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;flex:1;}
.mod-body .btn-arrow{align-self:flex-start;}

/* ============ 模块对照表 ============ */
.compare-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start;}
.table-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-rest);
}
.table-card h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.table-card .sub{font-size:13.5px;color:var(--c-ink-3);margin-bottom:18px;}
table.lite{width:100%;border-collapse:collapse;font-size:14.5px;}
table.lite caption{text-align:left;font-size:13px;color:var(--c-ink-3);padding-bottom:10px;}
table.lite th,table.lite td{
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--c-line);
  vertical-align:top;
}
table.lite th{
  background:var(--c-surface-alt);font-weight:600;color:var(--c-ink);
  font-size:13.5px;border-bottom:1px solid var(--c-line);
}
table.lite th:first-child{border-top-left-radius:8px;}
table.lite th:last-child{border-top-right-radius:8px;}
table.lite td{color:var(--c-ink-2);}
table.lite tr:last-child td{border-bottom:0;}
table.lite tbody tr:hover td{background:#FBFAF6;color:var(--c-ink);}
.stat-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-rest);
}
.stat-panel .live{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-ink-3);margin-bottom:20px;
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--c-success);
  box-shadow:0 0 0 0 rgba(47,125,91,.4);
  animation:pulse 2.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,125,91,.36);}
  70%{box-shadow:0 0 0 8px rgba(47,125,91,0);}
  100%{box-shadow:0 0 0 0 rgba(47,125,91,0);}
}
.stat-row{display:flex;flex-direction:column;gap:18px;}
.stat-item{display:flex;align-items:baseline;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.stat-item:last-child{border-bottom:0;padding-bottom:0;}
.stat-num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--c-brand);line-height:1;letter-spacing:-.02em;}
.stat-txt{font-size:13.5px;color:var(--c-ink-2);line-height:1.6;}

/* ============ 使用流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.flow-item{
  padding:0 30px;border-left:1px solid var(--c-line);
}
.flow-item:first-child{border-left:0;padding-left:0;}
.flow-num{
  font-family:var(--font-num);font-size:46px;font-weight:700;
  color:var(--c-accent);opacity:.35;line-height:1;
  margin-bottom:16px;transition:opacity var(--ease);
}
.flow-item:hover .flow-num{opacity:1;}
.flow-item h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.flow-item p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}

/* ============ 场景（深色） ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
.scene-card{
  background:var(--c-deep-2);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);padding:28px 24px;
  transition:border-color var(--ease),transform var(--ease);
}
.scene-card:hover{border-color:var(--c-accent);transform:translateY(-3px);}
.scene-card .ico{
  width:42px;height:42px;border-radius:10px;
  background:rgba(224,163,58,.14);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-card h3{font-size:18px;font-weight:600;color:#F1EEF7;margin-bottom:10px;}
.scene-card p{font-size:14.5px;color:#C9C3D8;line-height:1.85;}
.scene-card .link{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;color:var(--c-accent);
}
.scene-card .link:hover{color:#F1EEF7;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:start;}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-brand);}
.faq-item summary .pm{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform var(--ease);
}
.faq-item summary .pm::before,
.faq-item summary .pm::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;
  transition:opacity var(--ease);
}
.faq-item summary .pm::before{left:0;right:0;top:10px;height:2px;}
.faq-item summary .pm::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item[open] summary{color:var(--c-brand);}
.faq-item[open] summary .pm{transform:rotate(90deg);}
.faq-item[open] summary .pm::after{opacity:0;}
.faq-answer{padding:0 0 22px;font-size:15px;color:var(--c-ink-2);line-height:1.9;max-width:660px;}
.faq-aside{
  background:var(--c-surface-alt);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:24px;
}
.faq-aside h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.faq-aside p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;}
.faq-aside .btn-arrow{font-size:13.5px;}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-rest);
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(224,163,58,.16),transparent 68%);
  pointer-events:none;
}
.cta-bar h2{font-size:26px;font-weight:700;line-height:1.35;margin-bottom:8px;letter-spacing:-.01em;}
.cta-bar p{font-size:15px;color:var(--c-ink-2);}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:#C9C3D8;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:#F1EEF7;margin-bottom:14px;
}
.footer-brand:hover{color:#fff;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px;max-width:260px;}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;}
.footer-pills .pill{
  font-size:12.5px;color:#C9C3D8;border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:4px 12px;transition:all var(--ease);
}
.footer-pills .pill:hover{border-color:var(--c-accent);color:#fff;}
.footer-title{font-size:12.5px;letter-spacing:.12em;color:rgba(255,255,255,.45);margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:#C9C3D8;padding:6px 0;transition:color var(--ease);}
.footer-link:hover{color:#fff;}
.footer-info{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 移动固定转化条 ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:150;
  height:64px;padding:0 16px calc(env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px -18px rgba(23,21,34,.55);
  align-items:center;justify-content:space-between;gap:12px;
}
.mobile-cta span{font-size:13px;color:var(--c-ink-2);line-height:1.3;}
.mobile-cta .btn{height:40px;font-size:14px;padding:0 18px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .mod-grid{gap:22px;}
  .compare-wrap{grid-template-columns:1fr;gap:28px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .page-head h1{font-size:34px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:28px;}
  .mod-visual{height:164px;}
  .scene-grid{grid-template-columns:1fr;}
  .hot-tags{display:none;}
  .flow-grid{grid-template-columns:1fr;gap:0;}
  .flow-item{border-left:0;padding:0 0 28px;border-top:1px solid var(--c-line);}
  .flow-item:first-child{border-top:0;padding-top:0;}
  .flow-item:last-child{padding-bottom:0;}
  .flow-item h3{margin-top:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
  .container{padding:0 20px;}
  .search-box,.brand-links{display:none;}
  .menu-toggle{display:flex;}
  .channel-row{display:none;}
  .brand-row{height:56px;}
  .site-header.is-stuck .brand-row{height:52px;}
  .logo{font-size:16px;}
  .page-head{padding:36px 0 32px;}
  .page-head h1{font-size:28px;line-height:1.3;}
  .page-head .lead{font-size:15px;}
  .head-side{flex-direction:row;align-items:center;gap:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:24px;}
  .mod-grid{grid-template-columns:1fr;gap:18px;}
  .mod-visual{height:158px;}
  .mod-body{padding:22px 20px 24px;}
  .mod-body h3{font-size:18px;}
  .cta-bar{padding:30px 24px;border-radius:var(--radius-card);}
  .cta-bar h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{padding:20px 0 28px;}
  .mobile-cta{display:flex;}
  .faq-item summary{font-size:16px;padding:18px 0;}
  .stat-num{font-size:30px;}
  table.lite th,table.lite td{padding:10px 10px;font-size:13.5px;}
  .table-card{padding:20px;}
  .stat-panel{padding:20px;}
}
@media (max-width:480px){
  .page-head h1{font-size:25px;}
  .section-head h2{font-size:22px;}
  .logo{font-size:15px;}
  .logo svg{width:16px;height:16px;}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .cta-actions .btn{width:100%;}
  .mod-visual{height:146px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,21,34,.05);
  --sh-2:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --gutter:32px;
}
@media (max-width:767px){
  :root{--gutter:20px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--c-ink);letter-spacing:-0.01em;}
a{color:var(--c-brand);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-brand-deep);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 24px -20px rgba(23,21,34,.55);
}
.topbar{height:56px;transition:height .24s var(--ease);}
.site-header.is-stuck .topbar{height:52px;}
.topbar-inner{height:100%;display:flex;align-items:center;gap:20px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:var(--c-ink);
  white-space:nowrap;letter-spacing:-0.01em;
}
.brand:hover{color:var(--c-brand);}
.brand svg{flex:none;}
.topsearch{position:relative;flex:1 1 320px;max-width:400px;}
.topsearch svg{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--c-ink-3);pointer-events:none;
}
.topsearch input{
  width:100%;height:36px;
  border:1px solid transparent;
  border-radius:10px;
  background:var(--c-surface-alt);
  padding:0 14px 0 36px;
  font-size:13.5px;color:var(--c-ink);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.topsearch input::placeholder{color:var(--c-ink-3);}
.topsearch input:focus{
  outline:none;background:var(--c-surface);
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(59,52,160,.12);
}
.topbar-links{display:flex;align-items:center;gap:18px;margin-left:auto;}
.tlink{font-size:13px;color:var(--c-ink-2);}
.tlink:hover{color:var(--c-brand);}
.hamburger{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--c-line);
  border-radius:10px;color:var(--c-ink);cursor:pointer;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.hamburger:hover{border-color:var(--c-brand);color:var(--c-brand);}
.channelbar{border-top:1px solid var(--c-line);}
.channelbar-inner{display:flex;align-items:center;gap:24px;height:48px;}
.channels{display:flex;align-items:center;gap:26px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.chan{
  position:relative;display:flex;align-items:center;height:48px;
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
}
.chan:hover{color:var(--c-brand);}
.chan.is-active{color:var(--c-brand);font-weight:600;}
.chan.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:9px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.hotwords::-webkit-scrollbar{display:none;}
.hotwords .pill{
  font-size:13px;padding:4px 12px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  color:var(--c-ink-2);background:transparent;white-space:nowrap;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.hotwords .pill:hover{border-color:var(--c-accent);color:var(--c-brand);}

/* ===== 抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--c-deep);
  color:#F1EEF7;
  padding:24px var(--gutter) 40px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;}
.drawer .brand{color:#F1EEF7;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid rgba(255,255,255,.2);
  color:#F1EEF7;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-search{position:relative;margin-bottom:24px;}
.drawer-search input{
  width:100%;height:44px;border-radius:10px;
  background:var(--c-deep-2);border:1px solid rgba(255,255,255,.14);
  color:#F1EEF7;padding:0 14px;font-size:14px;
}
.drawer-search input::placeholder{color:rgba(255,255,255,.45);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.12);}
.drawer-nav a{
  padding:14px 2px;font-size:16px;color:#D9D4E6;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a.is-active{color:#F1EEF7;font-weight:600;}
.drawer-nav a .dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);margin-right:10px;vertical-align:middle;
}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.drawer-hot a{
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:#CFC9DE;
}

/* ===== 页头 ===== */
.page-head{padding:64px 0 40px;background:var(--c-paper);}
.crumbs{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-brand);}
.crumbs .sep{color:var(--c-line);}
.crumbs .cur{color:var(--c-ink-3);}
.head-grid{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-top:22px;flex-wrap:wrap;
}
.page-head h1{
  font-size:40px;line-height:1.2;letter-spacing:-0.02em;
  max-width:780px;
}
.head-lead{margin-top:16px;font-size:16px;color:var(--c-ink-2);max-width:640px;}
.head-back{white-space:nowrap;margin-bottom:6px;}

/* ===== 链接箭头 ===== */
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  position:relative;padding-bottom:3px;
  font-size:14px;font-weight:600;color:var(--c-brand);
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-accent);transition:width .24s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover{color:var(--c-brand-deep);}
.link-arrow i{font-size:12px;transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ===== 频道切换条 ===== */
.switchbar{padding:0 0 8px;background:var(--c-paper);}
.switchbar-inner{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
  padding-bottom:8px;
}
.switchbar-inner::-webkit-scrollbar{display:none;}
.sw{
  flex:none;font-size:13.5px;padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.sw:hover{border-color:var(--c-brand);color:var(--c-brand);}
.sw.is-current{
  background:var(--c-brand);border-color:var(--c-brand);
  color:#fff;font-weight:600;
}
.sw.is-current:hover{background:var(--c-brand-deep);color:#fff;}

/* ===== 通用板块 ===== */
.section{padding:96px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.overline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--c-ink-3);
  text-transform:none;margin-bottom:14px;
}
.overline .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}

/* ===== 热词入口 ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13.5px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-ink-2);
  transition:border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.chip:hover{
  border-color:var(--c-accent);color:var(--c-brand);
  box-shadow:var(--sh-1);
}

/* ===== 三步自查 ===== */
.steps-row{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.step{
  padding:28px 28px 30px;
  border-right:1px solid var(--c-line);
  transition:background .24s var(--ease);
}
.step:last-child{border-right:0;}
.step:hover{background:var(--c-surface-alt);}
.step-num{
  display:block;font-size:34px;font-weight:700;line-height:1;
  color:var(--c-accent);opacity:.45;letter-spacing:-0.02em;
  transition:opacity .24s var(--ease);
}
.step:hover .step-num{opacity:1;}
.step h3{font-size:18px;margin-top:14px;}
.step p{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);}

/* ===== FAQ 区 ===== */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.qa{border-top:1px solid var(--c-line);}
.qa details{border-bottom:1px solid var(--c-line);}
.qa summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 0;
  font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color .24s var(--ease);
}
.qa summary::-webkit-details-marker{display:none;}
.qa summary:hover{color:var(--c-brand);}
.qa .sign{
  flex:none;width:22px;height:22px;margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-accent);font-size:15px;font-weight:600;line-height:1;
  transition:transform .24s var(--ease);
}
.qa details[open] .sign{transform:rotate(45deg);}
.qa details[open] summary{color:var(--c-brand);}
.qa .ans{
  padding:0 40px 22px 0;
  font-size:15px;line-height:1.85;color:var(--c-ink-2);
  max-width:740px;
}
.qa .ans strong{color:var(--c-ink);font-weight:600;}

/* ===== 侧栏 ===== */
.help-panel{
  background:var(--c-surface-alt);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
}
.faq-aside{position:sticky;top:120px;}
.help-img{
  width:100%;height:150px;object-fit:cover;
  border-radius:12px;margin-bottom:18px;
}
.help-title{font-size:20px;}
.help-text{margin-top:10px;font-size:14px;color:var(--c-ink-2);}
.help-panel .link-arrow{margin-top:16px;}
.help-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}

/* ===== CTA ===== */
.cat-cta{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cat-cta h2{font-size:28px;max-width:520px;}
.cat-cta p{margin-top:12px;font-size:15.5px;color:var(--c-ink-2);max-width:520px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand);}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-deep);color:#F1EEF7;padding:72px 0 0;margin-top:96px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:#F1EEF7;
}
.footer-brand:hover{color:#fff;}
.footer-desc{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.8;max-width:280px;}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-pills .pill{
  font-size:12.5px;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);color:#CFC9DE;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.footer-pills .pill:hover{border-color:var(--c-accent);color:#fff;}
.footer-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:rgba(255,255,255,.5);margin-bottom:16px;
}
.footer-link{
  display:block;font-size:14px;color:#C9C3D8;
  padding:6px 0;transition:color .24s var(--ease);
}
.footer-link:hover{color:#fff;}
.footer-info{font-size:13.5px;color:rgba(255,255,255,.62);padding:5px 0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 移动端固定转化条 ===== */
.mobile-bar{display:none;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .faq-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .page-head h1{font-size:34px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-cta{padding:36px;}
}
@media (max-width:767px){
  .topsearch,.topbar-links,.hotwords{display:none;}
  .hamburger{display:inline-flex;}
  .channelbar{display:none;}
  .page-head{padding:40px 0 28px;}
  .page-head h1{font-size:28px;}
  .head-lead{font-size:15px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .step{border-right:0;border-bottom:1px solid var(--c-line);}
  .step:last-child{border-bottom:0;}
  .qa summary{font-size:16px;padding:18px 0;}
  .qa .ans{padding-right:0;font-size:14.5px;}
  .cat-cta{padding:28px 24px;}
  .cat-cta h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:56px;margin-top:64px;}
  body{padding-bottom:88px;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    gap:14px;position:fixed;left:0;right:0;bottom:0;z-index:100;
    height:64px;padding:0 20px calc(0px + env(safe-area-inset-bottom));
    background:var(--c-surface);
    border-top:1px solid var(--c-line);
    box-shadow:0 -8px 24px -18px rgba(23,21,34,.6);
  }
  .mb-text{font-size:13px;color:var(--c-ink-2);line-height:1.4;}
  .mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;}
}
@media (max-width:480px){
  .page-head h1{font-size:24px;}
  .section-head h2{font-size:22px;}
  .step{padding:22px 20px;}
  .qa summary{font-size:15px;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category5 */
:root{
  --c-paper:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBE1;
  --c-line:#E2DCD0;
  --c-ink:#171522;
  --c-ink-2:#4B4757;
  --c-ink-3:#837E8E;
  --c-brand:#3B34A0;
  --c-brand-deep:#26215E;
  --c-accent:#E0A33A;
  --c-accent-soft:#F6E8C8;
  --c-deep:#12101B;
  --c-deep-2:#1D1A2B;
  --c-success:#2F7D5B;
  --c-danger:#B4462F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(23,21,34,.05);
  --sh-2:0 14px 34px -14px rgba(23,21,34,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
body.no-scroll{overflow:hidden}

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

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.site-head.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 24px -22px rgba(23,21,34,.55);
  background:rgba(247,244,238,.97);
}
.brand-row{height:56px;display:flex;align-items:center;transition:height var(--t)}
.site-head.is-stuck .brand-row{height:52px}
.brand-inner{display:flex;align-items:center;gap:24px;height:100%;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--c-ink);
  letter-spacing:-.01em;white-space:nowrap;flex:none;
}
.logo:hover{color:var(--c-brand)}
.logo svg{flex:none}
.search{
  position:relative;flex:0 1 380px;min-width:180px;
}
.search .search-ico{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--c-ink-3);pointer-events:none;
}
.search input[type="search"]{
  width:100%;height:38px;border:1px solid transparent;
  background:var(--c-surface-alt);border-radius:var(--r-btn);
  padding:0 14px 0 36px;font-size:14px;color:var(--c-ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
  -webkit-appearance:none;appearance:none;
}
.search input[type="search"]::placeholder{color:var(--c-ink-3)}
.search input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(59,52,160,.12);
}
.brand-links{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:13px;flex:none}
.brand-links a{color:var(--c-ink-2)}
.brand-links a:hover{color:var(--c-brand)}
.burger{
  display:none;width:44px;height:44px;margin-right:-8px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border-radius:10px;
}
.burger span{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}

.channel-row{border-top:1px solid var(--c-line)}
.channel-inner{display:flex;align-items:center;gap:20px;height:48px}
.channels{display:flex;align-items:center;gap:22px;flex:none}
.channels .chan{
  position:relative;font-size:14.5px;color:var(--c-ink-2);
  padding:12px 0;line-height:1;transition:color var(--t);white-space:nowrap;
}
.channels .chan:hover{color:var(--c-brand)}
.channels .chan.is-active{color:var(--c-brand);font-weight:600}
.channels .chan.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.hotwords{
  margin-left:auto;display:flex;gap:8px;overflow-x:auto;
  scrollbar-width:none;padding:4px 0;
}
.hotwords::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;border:1px solid var(--c-line);background:transparent;
  font-size:13px;color:var(--c-ink-2);white-space:nowrap;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.pill:hover{border-color:var(--c-accent);color:var(--c-brand)}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-deep);color:#F1EEF7;
  transform:translateX(100%);transition:transform 280ms var(--ease);
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:22px;
  visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#F1EEF7}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid rgba(255,255,255,.18);color:#F1EEF7;font-size:20px;line-height:1;
}
.drawer-close:hover{border-color:var(--c-accent)}
.drawer-search{position:relative}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-btn);
  background:var(--c-deep-2);border:1px solid rgba(255,255,255,.14);
  color:#F1EEF7;padding:0 14px 0 38px;font-size:14px;
}
.drawer-search input::placeholder{color:#8F89A0}
.drawer-search input:focus{outline:none;border-color:var(--c-accent)}
.drawer-search .search-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#8F89A0}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.12)}
.drawer-nav a{
  color:#C9C3D8;font-size:15px;padding:14px 2px;
  border-bottom:1px solid rgba(255,255,255,.12);transition:color var(--t)
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#fff}
.drawer-nav a.is-active{font-weight:600}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot .pill{border-color:rgba(255,255,255,.18);color:#C9C3D8}
.drawer-hot .pill:hover{border-color:var(--c-accent);color:#fff}

/* ============ 页头区 ============ */
.page-head{background:var(--c-paper);padding:64px 0 40px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:var(--c-line)}
.crumb .now{color:var(--c-ink-3)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.page-head h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.02em;
  color:var(--c-ink);
}
.page-head h1 .dot{color:var(--c-accent);margin:0 6px;font-weight:400}
.page-lead{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:640px}
.back-home{
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:color var(--t),border-color var(--t);
}
.back-home:hover{color:var(--c-brand);border-bottom-color:var(--c-accent)}

/* ============ 频道切换条 ============ */
.switch-bar{background:var(--c-paper);padding:0 0 4px}
.switch-inner{display:flex;gap:10px;overflow-x:auto;padding:0 0 24px;scrollbar-width:none}
.switch-inner::-webkit-scrollbar{display:none}
.switch-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.switch-pill:hover{border-color:var(--c-brand);color:var(--c-brand)}
.switch-pill.is-current{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}
.switch-pill.is-current:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-title{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-sub{font-size:14.5px;color:var(--c-ink-2);margin-top:8px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);
  letter-spacing:.06em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px}

/* 主推更新 */
.feature{
  display:grid;grid-template-columns:1.02fr 1fr;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.feature-media{position:relative;overflow:hidden;background:var(--c-surface-alt)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform 320ms var(--ease)}
.feature:hover .feature-media img{transform:scale(1.02)}
.feature-body{padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
  background:var(--c-accent-soft);color:#7A5410;border:1px solid rgba(224,163,58,.42);
  white-space:nowrap;width:max-content;
}
.badge--plain{background:var(--c-surface-alt);color:var(--c-ink-2);border-color:var(--c-line)}
.feature-body h2{font-size:24px;line-height:1.4;font-weight:700}
.feature-body p{font-size:15px;color:var(--c-ink-2)}
.feature-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap}
.feature-meta .sep-dot{width:3px;height:3px;border-radius:50%;background:var(--c-line)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);
  border-bottom:2px solid transparent;padding-bottom:1px;width:max-content;
  transition:border-color var(--t),color var(--t);
}
.link-arrow:hover{border-bottom-color:var(--c-accent)}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(3px)}

/* 数据概览 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:44px;padding-top:32px;border-top:1px solid var(--c-line);
}
.stat{padding:0 26px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0;padding-left:0}
.stat:last-child{padding-right:0}
.stat-num{font-size:34px;line-height:1.1;font-weight:700;color:var(--c-brand)}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:8px}

/* 时间线 */
.tl-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:40px 44px;box-shadow:var(--sh-1);
}
.month-group + .month-group{margin-top:44px}
.month-label{
  font-size:13px;letter-spacing:.08em;color:var(--c-ink-3);
  padding-bottom:12px;border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.month-label span:last-child{letter-spacing:0;color:var(--c-ink-3)}
.tl-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:28px;align-items:center;
  padding:20px 14px 20px 0;border-bottom:1px solid var(--c-line);
  transition:background var(--t),padding-left var(--t);
}
.tl-item:last-child{border-bottom:0}
.tl-item:hover{background:var(--c-surface-alt);padding-left:12px;border-radius:10px}
.tl-date{font-size:13px;color:var(--c-ink-3);white-space:nowrap}
.tl-main{min-width:0}
.tl-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);transition:color var(--t)}
.tl-item:hover .tl-title{color:var(--c-brand)}
.tl-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;line-height:1;color:var(--c-ink-2);
  background:var(--c-surface-alt);border:1px solid var(--c-line);white-space:nowrap;
}
.tl-item:hover .tl-tag{background:#fff}
.tl-sum{
  font-size:14px;color:var(--c-ink-2);margin-top:5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tl-more{
  display:inline-flex;align-items:center;gap:5px;font-size:13.5px;
  color:var(--c-brand);white-space:nowrap;font-weight:600;
  border-bottom:2px solid transparent;padding-bottom:1px;
  transition:border-color var(--t);
}
.tl-more:hover{border-bottom-color:var(--c-accent)}

/* 核对提示 */
.note-panel{
  background:var(--c-surface-alt);border-radius:var(--r-card);
  padding:40px 44px;display:grid;grid-template-columns:1fr auto;
  gap:36px;align-items:center;
}
.note-panel h2{font-size:22px;font-weight:700;line-height:1.4}
.note-list{margin-top:16px;display:grid;gap:10px}
.note-list li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);line-height:1.75}
.note-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}

/* CTA 条 */
.cta-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;
  gap:36px;box-shadow:var(--sh-1);flex-wrap:wrap;
}
.cta-panel h2{font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.cta-panel p{font-size:15px;color:var(--c-ink-2);margin-top:10px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;border:1px solid var(--c-brand)}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border:1px solid var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand);transform:translateY(-2px)}
.btn-text{
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:color var(--t),border-color var(--t);
}
.btn-text:hover{color:var(--c-brand);border-bottom-color:var(--c-accent)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:#F1EEF7;padding:72px 0 32px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#F1EEF7}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;color:#C9C3D8;margin-top:14px;line-height:1.8;max-width:270px}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.site-footer .pill{border-color:rgba(255,255,255,.18);color:#C9C3D8}
.site-footer .pill:hover{border-color:var(--c-accent);color:#fff}
.footer-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:#C9C3D8;padding:6px 0;transition:color var(--t)}
.footer-link:hover{color:#fff}
.footer-info{font-size:13.5px;color:#C9C3D8;padding:5px 0;line-height:1.7}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}

/* ============ 移动端固定转化条 ============ */
.sticky-bar{display:none}
.sticky-bar .sb-text{font-size:13px;color:var(--c-ink-2);line-height:1.4}
.sticky-bar .sb-text strong{display:block;font-size:13px;color:var(--c-ink);font-weight:700}
.sticky-bar .btn{height:40px;padding:0 18px;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 28px}
  .page-head h1{font-size:36px}
}
@media (max-width:991px){
  .brand-links{display:none}
  .feature{grid-template-columns:1fr}
  .feature-media img{aspect-ratio:16/9}
  .feature-body{padding:32px}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 0;padding-top:28px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat{padding:0 22px}
  .tl-panel{padding:32px}
  .note-panel{grid-template-columns:1fr;gap:24px}
  .cta-panel{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .channel-row,.hotwords{display:none}
  .brand-row{height:58px}
  .site-head.is-stuck .brand-row{height:54px}
  .search{display:none}
  .burger{display:inline-flex;margin-left:auto}
  .page-head{padding:40px 0 28px}
  .page-head h1{font-size:28px}
  .page-lead{font-size:15px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .section-title{font-size:23px}
  .feature-body{padding:26px 22px}
  .feature-body h2{font-size:20px}
  .tl-panel{padding:24px 20px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .tl-item:hover{padding-left:0;background:transparent;border-radius:0}
  .tl-item:hover .tl-title{color:var(--c-ink)}
  .tl-date{font-size:12.5px}
  .tl-title{font-size:16px}
  .tl-sum{white-space:normal;overflow:visible}
  .tl-more{margin-top:4px}
  .note-panel{padding:26px 22px}
  .cta-panel{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-panel h2{font-size:21px}
  .stats{grid-template-columns:1fr 1fr}
  .stat-num{font-size:27px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:52px 0 96px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  body{padding-bottom:76px}
  .sticky-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:64px;padding:0 16px;padding-bottom:env(safe-area-inset-bottom);
    align-items:center;justify-content:space-between;gap:12px;
    background:rgba(255,255,255,.97);
    border-top:1px solid var(--c-line);
    box-shadow:0 -10px 26px -20px rgba(23,21,34,.5);
  }
}
@media (max-width:480px){
  .page-head h1{font-size:25px}
  .section-title{font-size:21px}
  .month-label{font-size:12px}
  .feature-body h2{font-size:18.5px}
  .stat-num{font-size:24px}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}