/* roulang page: index */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --font-display:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-card:18px;
  --r-cover:22px;
  --r-input:12px;
  --shadow-sm:0 1px 2px rgba(14,15,18,.06);
  --shadow-md:0 8px 24px rgba(14,15,18,.07);
  --shadow-lg:0 24px 60px rgba(14,15,18,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
@media (min-width:1440px){:root{--container:1320px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background-color:var(--surface-2)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:var(--brand);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (max-width:767px){.container{padding:0 20px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  border-bottom:1px solid transparent;
  background:rgba(250,248,244,0);
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,248,244,.88);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(14,15,18,.04);
}
.header-inner{height:68px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--ink-900);overflow:hidden;flex:none}
.logo-mark::after{content:"";position:absolute;left:-8px;top:11px;width:44px;height:8px;background:var(--brand);transform:rotate(-42deg);border-radius:2px}
.logo-text{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;color:var(--ink-900);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin:0 auto}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--ink-700);padding:8px 0;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;color:var(--ink-700);transition:background .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{background:var(--surface-2);color:var(--ink-900)}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;place-items:center;color:var(--ink-900);background:var(--surface-2)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;white-space:nowrap;min-height:44px;padding:0 24px;font-size:.9375rem;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);border:1px solid transparent}
.btn-sm{min-height:36px;padding:0 18px;font-size:.875rem}
.btn-lg{min-height:52px;padding:0 32px;font-size:1rem}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,77,28,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink-900);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.16em;color:var(--brand);margin-bottom:12px}
.section-title{font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.2;color:var(--ink-900);font-weight:700}
.section-sub{margin-top:12px;font-size:.9375rem;color:var(--ink-500);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:600;color:var(--ink-700);transition:color .2s var(--ease)}
.link-more:hover{color:var(--brand)}
.badge{display:inline-flex;align-items:center;font-size:.75rem;font-weight:600;line-height:1.4;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-700)}
.badge-accent{background:var(--accent);color:var(--ink-900)}
.badge-ok{background:rgba(23,143,107,.12);color:var(--ok)}
.badge-warn{background:rgba(226,160,8,.14);color:#9A6C00}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:40px 0 72px;
  background-image:linear-gradient(180deg,rgba(250,248,244,.93),rgba(250,248,244,.99)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;min-height:78vh}
.hero-copy{grid-column:span 7}
.hero h1{font-family:var(--font-display);font-size:clamp(2.1rem,4.3vw,3.5rem);line-height:1.1;letter-spacing:-.02em;color:var(--ink-900);font-weight:700}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:var(--ink-500);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.stat-num{font-family:var(--font-display);font-size:2rem;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:1rem;margin-left:2px;color:var(--ink-500)}
.stat-label{font-size:.8125rem;color:var(--ink-500);margin-top:4px}
.hero-visual{grid-column:span 5;display:flex;justify-content:flex-end}
.hero-card{position:relative;width:min(100%,360px);aspect-ratio:9/16;border-radius:var(--r-cover);overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow-lg)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{content:"";position:absolute;inset:auto 0 0 0;height:58%;background:linear-gradient(to top,rgba(14,15,18,.88),rgba(14,15,18,0));pointer-events:none}
.hero-card .duration{position:absolute;top:14px;right:14px;z-index:3;font-size:.75rem;font-variant-numeric:tabular-nums;color:#fff;background:rgba(14,15,18,.55);border-radius:999px;padding:4px 10px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;transition:transform .3s var(--ease),background .3s var(--ease)}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.play-btn svg{color:var(--brand);margin-left:3px}
.hero-card-foot{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:22px 18px;color:#fff;text-align:center}
.hero-card-foot strong{display:block;font-size:.9375rem;font-weight:600;margin-bottom:12px}
.dots{display:flex;gap:6px;justify-content:center}
.dots span{width:6px;height:6px;border-radius:999px;background:rgba(255,255,255,.36);transition:all .3s var(--ease)}
.dots span.on{width:20px;background:var(--brand)}

/* ---------- 爆款片段轨道 ---------- */
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 26px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.track-card{position:relative;flex:0 0 240px;scroll-snap-align:start;aspect-ratio:9/16;border-radius:var(--r-cover);overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow-sm);transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.track-card:hover,.track-card:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.track-card img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.track-card:hover img,.track-card:focus-visible img{transform:scale(1.04)}
.track-card::after{content:"";position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(to top,rgba(14,15,18,.86),rgba(14,15,18,0));pointer-events:none}
.track-badge{position:absolute;left:12px;top:12px;z-index:3}
.track-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px 14px;color:#fff}
.track-title{font-size:16px;line-height:1.35;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.track-likes{position:absolute;right:14px;bottom:14px;z-index:3;display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:#fff;font-variant-numeric:tabular-nums}
.track-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);z-index:3;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;opacity:0;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.track-play svg{color:var(--brand);margin-left:2px}
.track-card:hover .track-play,.track-card:focus-visible .track-play{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* ---------- 种草清单 ---------- */
.pick-list{border-top:1px solid var(--line)}
.pick-row{display:grid;grid-template-columns:72px 96px 1fr auto;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:transform .3s var(--ease),border-color .3s var(--ease)}
.pick-row:hover,.pick-row:focus-within{transform:translateX(4px);border-bottom-color:var(--brand)}
.pick-index{font-family:var(--font-display);font-size:48px;line-height:1;color:#D8D4CC;font-variant-numeric:tabular-nums;transition:color .3s var(--ease)}
.pick-row:hover .pick-index,.pick-row:focus-within .pick-index{color:var(--brand)}
.pick-thumb{width:96px;height:120px;border-radius:14px;overflow:hidden;background:var(--surface-2);flex:none}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick-title{font-size:1.125rem;font-weight:600;color:var(--ink-900);line-height:1.4}
.pick-desc{font-size:14px;color:var(--ink-500);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:52em}
.pick-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.pick-meta i{font-style:normal;color:var(--line)}
.pick-score{display:inline-flex;align-items:center;gap:4px;background:var(--accent);color:var(--ink-900);font-weight:600;font-size:12px;padding:2px 9px;border-radius:999px}

/* ---------- 口碑 ---------- */
.review-wrap{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:center}
.review-score{text-align:left}
.review-num{font-family:var(--font-display);font-size:3.5rem;line-height:1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.stars{display:flex;gap:3px;margin:12px 0 8px;color:var(--brand)}
.review-count{font-size:.8125rem;color:var(--ink-500)}
.review-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
.review-track::-webkit-scrollbar{display:none}
.review-item{flex:0 0 300px;scroll-snap-align:start;padding:4px 24px;border-left:1px solid var(--line)}
.review-item:first-child{border-left:0;padding-left:0}
.review-head{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--ink-900);color:#fff;display:grid;place-items:center;font-size:.8125rem;font-weight:600;flex:none}
.review-name{font-size:.875rem;font-weight:600;color:var(--ink-900)}
.review-time{font-size:.75rem;color:var(--ink-500);margin-left:auto;font-variant-numeric:tabular-nums}
.review-text{font-size:.9375rem;color:var(--ink-500);margin-top:12px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);border-radius:28px;padding:56px;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:64px 64px}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.cta-copy{grid-column:span 8}
.cta-copy h2{font-family:var(--font-display);font-size:clamp(1.75rem,3.6vw,2.5rem);line-height:1.2;color:#fff;font-weight:700}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.66);max-width:34em;font-size:.9375rem}
.cta-side{grid-column:span 4;display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}
.qr-box{display:flex;align-items:center;gap:14px}
.qr{width:88px;height:88px;border-radius:12px;background:#fff;padding:8px;flex:none}
.qr-tip{font-size:.8125rem;color:rgba(255,255,255,.6);line-height:1.6}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.news-feature{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD8CF}
.news-feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:26px 26px 28px}
.news-feature-body h3{margin-top:14px;font-size:1.375rem;line-height:1.4;color:var(--ink-900);font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body p{margin-top:12px;font-size:.9375rem;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;font-size:.8125rem;color:var(--ink-500);font-variant-numeric:tabular-nums}
.news-mini{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 22px}
.news-mini-item{display:grid;grid-template-columns:auto auto 1fr;gap:12px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:color .2s var(--ease)}
.news-mini-item:last-child{border-bottom:0}
.news-mini-item time{font-size:.75rem;color:var(--ink-500);font-variant-numeric:tabular-nums;white-space:nowrap}
.news-mini-title{font-size:.9375rem;font-weight:500;color:var(--ink-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s var(--ease)}
.news-mini-item:hover .news-mini-title{color:var(--brand)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);padding:64px 32px;text-align:center;background:var(--surface)}
.empty-state svg{color:var(--ink-500);margin:0 auto 16px}
.empty-state p{color:var(--ink-500);font-size:.9375rem;margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;text-align:left;padding:22px 0;font-size:1.0625rem;font-weight:500;color:var(--ink-900)}
.faq-q svg{flex:none;color:var(--ink-500);transition:transform .3s var(--ease),color .3s var(--ease)}
.faq-item.is-open .faq-q svg{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 56px 22px 0;font-size:.9375rem;color:var(--ink-500);line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.62);margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.55);max-width:26em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:rgba(255,255,255,.7);transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.footer-social a:hover{border-color:var(--brand);color:#fff;background:rgba(255,77,28,.16)}
.footer-col h4{font-size:.875rem;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.6);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.55)}
.footer-bottom{padding:26px 0 32px;text-align:center;font-size:12px;color:rgba(255,255,255,.4);border-top:1px solid rgba(255,255,255,.06);margin-top:0}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 移动底部 Tab ---------- */
.tabbar{display:none}
.mobile-panel{display:none}

@media (max-width:1279px){
  .main-nav{gap:22px}
  .nav-link{font-size:13.5px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;min-height:auto;gap:36px}
  .hero-copy,.hero-visual{grid-column:auto}
  .hero-visual{order:-1;justify-content:center}
  .hero-card{width:auto;height:58vh;max-width:100%;max-height:520px}
  .hero{padding:24px 0 56px}
  .news-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .cta-copy,.cta-side{grid-column:auto}
  .review-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .pick-row{grid-template-columns:56px 88px 1fr;gap:18px}
  .pick-index{font-size:40px}
  .pick-thumb{width:88px;height:110px}
  .pick-action{grid-column:3;justify-self:start}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .menu-btn{display:grid}
  .header-inner{gap:16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero-stats{gap:24px 32px;margin-top:32px}
  .stat-num{font-size:1.75rem}
  .track-card{flex:0 0 68vw}
  .pick-row{grid-template-columns:44px 72px 1fr;gap:14px;padding:18px 0}
  .pick-index{font-size:32px}
  .pick-thumb{width:72px;height:92px;border-radius:12px}
  .pick-action{grid-column:2 / -1;justify-self:start}
  .pick-title{font-size:1rem}
  .review-item{flex:0 0 82vw;padding:4px 18px}
  .cta-band{padding:36px 24px;border-radius:22px}
  .news-feature-body{padding:20px}
  .news-feature-body h3{font-size:1.125rem}
  .news-mini{padding:4px 16px}
  .news-mini-item{grid-template-columns:auto auto 1fr;gap:8px}
  .faq-a p{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{margin-top:56px;padding-top:48px}
  .mobile-panel{display:block;overflow:hidden;max-height:0;transition:max-height .35s var(--ease);background:rgba(250,248,244,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid transparent}
  .mobile-panel.is-open{max-height:340px;border-bottom-color:var(--line)}
  .mobile-panel ul{padding:8px 20px 20px}
  .mobile-panel a{display:block;padding:14px 0;font-size:.9375rem;font-weight:500;color:var(--ink-900);border-bottom:1px solid var(--line)}
  .mobile-panel a.is-active{color:var(--brand)}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;height:60px;padding-bottom:env(safe-area-inset-bottom);background:rgba(250,248,244,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .tab{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.6875rem;color:var(--ink-500);transition:color .2s var(--ease)}
  .tab.is-active{color:var(--brand);font-weight:600}
  .tab.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--brand)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --font-display:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 2px rgba(14,15,18,.06);
  --shadow-md:0 8px 24px rgba(14,15,18,.07);
  --shadow-lg:0 24px 60px rgba(14,15,18,.12);
  --r-card:18px;
  --r-cover:22px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--ink-900);
  position:relative;overflow:hidden;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:-6px;top:8px;width:44px;height:9px;
  background:var(--brand);transform:rotate(-32deg);
}
.logo-text{
  font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;color:var(--ink-900);
  font-family:var(--font-sans);white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-700);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  color:var(--ink-700);cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,77,28,.24)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-dark:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-sm{min-height:36px;padding:0 16px;font-size:.8125rem}
.btn-lg{min-height:52px;padding:0 28px;font-size:1rem}
.btn-block{width:100%}

/* ---------- hero banner ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--ink-900);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(14,15,18,.94) 0%,rgba(14,15,18,.82) 48%,rgba(14,15,18,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.96;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px;max-width:820px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.75rem;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb span[aria-current]{color:rgba(255,255,255,.9)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,77,28,.16);border:1px solid rgba(255,77,28,.42);
  color:#FFB49B;font-size:.75rem;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.page-hero h1{
  color:#fff;font-family:var(--font-display);font-weight:700;
  font-size:clamp(2rem,5vw,3.25rem);line-height:1.14;letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{color:rgba(255,255,255,.74);font-size:1.0625rem;line-height:1.8;max-width:620px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:36px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.1);
}
.hero-fact b{
  display:block;font-family:var(--font-display);font-size:1.75rem;line-height:1.2;
  color:#fff;font-variant-numeric:tabular-nums;
}
.hero-fact span{font-size:.8125rem;color:rgba(255,255,255,.6)}

/* ---------- filter bar ---------- */
.filter-section{padding:28px 0 0}
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:.875rem;font-weight:500;color:var(--ink-700);cursor:pointer;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:600}
.chip.is-active .chip-count{background:var(--brand);color:#fff}
.chip-count{
  min-width:22px;height:20px;padding:0 6px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-500);
  font-size:.6875rem;font-weight:600;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}

/* ---------- sections ---------- */
.section{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--font-display);font-size:clamp(1.5rem,3.2vw,2.25rem);
  line-height:1.2;letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";display:inline-block;width:4px;height:1em;background:var(--brand);
  border-radius:2px;margin-right:14px;vertical-align:-.12em;
}
.section-head p{color:var(--ink-500);font-size:.9375rem;margin-top:10px;max-width:640px}
.section-link{font-size:.875rem;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--brand-600)}
.section-link svg{transition:transform .2s var(--ease)}
.section-link:hover svg{transform:translateX(3px)}

/* ---------- server list grid ---------- */
.server-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
}
.srv-head,.srv-row{
  display:grid;grid-template-columns:132px minmax(0,1fr) 150px 118px 148px;
  align-items:center;gap:20px;padding:0 24px;
}
.srv-head{
  height:52px;background:var(--surface-2);
  font-size:.75rem;font-weight:600;letter-spacing:.06em;color:var(--ink-500);
  border-bottom:1px solid var(--line);
}
.srv-row{
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.srv-row:last-child{border-bottom:0}
.srv-row:hover{background:#FCFAF6}
.srv-time time{
  display:block;font-family:var(--font-display);font-size:1.0625rem;font-weight:700;
  color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.3;
}
.srv-time small{font-size:.75rem;color:var(--ink-500)}
.srv-name{min-width:0}
.srv-name strong{
  display:block;font-size:1.0625rem;font-weight:600;color:var(--ink-900);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.srv-name span{display:block;font-size:.8125rem;color:var(--ink-500);margin-top:4px}
.srv-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-700);font-size:.75rem;font-weight:500;
}
.tag-brand{background:rgba(255,77,28,.1);color:var(--brand-600)}
.tag-ok{background:rgba(23,143,107,.1);color:var(--ok)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:600;white-space:nowrap;
}
.badge-pending{background:rgba(226,160,8,.13);color:#9A6C00}
.badge-live{background:rgba(255,77,28,.12);color:var(--brand-600)}
.badge-done{background:var(--surface-2);color:var(--ink-500)}
.badge-score{background:var(--accent);color:var(--ink-900)}
.pulse{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.28}}
.srv-act{text-align:right}
.srv-note{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 24px;background:var(--surface-2);font-size:.8125rem;color:var(--ink-500);
  border-top:1px solid var(--line);
}

/* ---------- reminder cards ---------- */
.reminder-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.reminder-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.reminder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD8D0}
.reminder-icon{
  width:44px;height:44px;border-radius:12px;background:var(--ink-900);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.reminder-card h3{font-size:1.125rem;margin-bottom:10px}
.reminder-card p{font-size:.9375rem;color:var(--ink-500);line-height:1.8}
.reminder-card .metric{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:baseline;gap:8px;
}
.reminder-card .metric b{
  font-family:var(--font-display);font-size:1.5rem;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.reminder-card .metric span{font-size:.8125rem;color:var(--ink-500)}

/* ---------- featured hot server ---------- */
.hot-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch}
.hot-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-900);min-height:380px;display:flex;align-items:flex-end;
}
.hot-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .5s var(--ease)}
.hot-main:hover img{transform:scale(1.04)}
.hot-main-inner{position:relative;z-index:2;padding:32px;width:100%;
  background:linear-gradient(to top,rgba(14,15,18,.92) 12%,rgba(14,15,18,.35) 62%,rgba(14,15,18,0) 100%);}
.hot-main-inner h3{color:#fff;font-family:var(--font-display);font-size:1.75rem;margin:14px 0 10px}
.hot-main-inner p{color:rgba(255,255,255,.72);font-size:.9375rem;max-width:520px}
.hot-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hot-meta .tag{background:rgba(255,255,255,.12);color:#fff}
.hot-side{display:flex;flex-direction:column;gap:16px}
.hot-side-item{
  display:flex;gap:16px;align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:14px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.hot-side-item:hover{transform:translateX(4px);border-color:var(--brand);box-shadow:var(--shadow-sm)}
.hot-side-item img{width:88px;height:66px;object-fit:cover;border-radius:10px;background:var(--surface-2);flex:0 0 auto}
.hot-side-item h4{font-size:.9375rem;font-weight:600;line-height:1.45;margin-bottom:6px}
.hot-side-item p{font-size:.75rem;color:var(--ink-500);line-height:1.6}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:1.0625rem;font-weight:500;color:var(--ink-900);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-700);
  transition:transform .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.faq-item[open] .faq-plus{transform:rotate(45deg);border-color:var(--brand);color:var(--brand)}
.faq-body{padding:0 4px 24px;font-size:.9375rem;color:var(--ink-500);line-height:1.9;max-width:820px}

/* ---------- cta ---------- */
.cta-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden;border-radius:24px}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:72px 72px;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr .9fr;gap:40px;padding:56px;align-items:center}
.cta-inner h2{color:#fff;font-family:var(--font-display);font-size:clamp(1.75rem,3.6vw,2.5rem);line-height:1.2;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.7);font-size:.9375rem;max-width:520px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.qr-box{
  width:88px;height:88px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.6);font-size:.6875rem;text-align:center;line-height:1.4;
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.66);margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;border-top:1px solid rgba(255,255,255,.08);
}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:#fff}
.footer-brand p{font-size:.875rem;color:rgba(255,255,255,.6);line-height:1.85;margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);
  transition:all .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.62);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.875rem;line-height:2;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;
  font-size:12px;color:rgba(255,255,255,.42);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px}
.tab-link{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:.6875rem;color:var(--ink-500);transition:color .2s var(--ease);
}
.tab-link::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);
  transition:transform .24s var(--ease);
}
.tab-link.is-active{color:var(--brand);font-weight:600}
.tab-link.is-active::before{transform:translateX(-50%) scaleX(1)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .hot-grid{gap:24px}
}
@media (max-width:1023px){
  .main-nav{gap:20px}
  .nav-link{font-size:13px}
  .reminder-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hot-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;padding:44px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .srv-head,.srv-row{grid-template-columns:110px minmax(0,1fr) 118px 108px;gap:16px;padding-left:18px;padding-right:18px}
  .srv-head span:nth-child(3),.srv-row .srv-tags{display:none}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .main-nav{display:none}
  .header-inner{gap:16px}
  .header-actions .btn{display:none}
  .tabbar{display:block}
  .hero-inner{padding:48px 0 44px}
  .section{padding:44px 0}
  .page-hero h1{font-size:clamp(1.75rem,7vw,2.25rem)}
  .hero-facts{gap:18px 28px}
  .hero-fact b{font-size:1.375rem}
  .reminder-grid{grid-template-columns:1fr}
  .cta-inner{padding:32px 24px}
  .cta-band{border-radius:18px}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;gap:32px}
  .srv-head{display:none}
  .srv-row{
    grid-template-columns:1fr auto;gap:10px 14px;padding:18px;align-items:start;
  }
  .srv-time{grid-column:1;grid-row:1}
  .srv-name{grid-column:1;grid-row:2}
  .srv-status{grid-column:2;grid-row:1;justify-self:end}
  .srv-act{grid-column:2;grid-row:2;justify-self:end;align-self:end}
  .srv-tags{display:flex;grid-column:1 / -1;grid-row:3}
  .hot-side-item img{width:72px;height:58px}
  .footer-bottom{font-size:11px;padding:18px 0 20px}
}
@media (max-width:520px){
  .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --font-display:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-card:18px;
  --r-cover:22px;
  --r-img:16px;
  --r-input:12px;
  --sh-sm:0 1px 2px rgba(14,15,18,.06);
  --sh-md:0 8px 24px rgba(14,15,18,.07);
  --sh-lg:0 24px 60px rgba(14,15,18,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --pad-x:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;background:#EFEDE8}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{padding-left:1.1em}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--pad-x)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
.tnum{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,248,244,.86);
  backdrop-filter:saturate(180%) blur(12px);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-sm)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--ink-900);overflow:hidden;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;left:-6px;top:11px;width:40px;height:6px;background:var(--brand);transform:rotate(-32deg);border-radius:2px}
.logo-text{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:12px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-700);
  padding:22px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  color:var(--ink-700);border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{background:var(--surface-2);color:var(--ink-900)}
.menu-toggle{display:none}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--bg)}
.mobile-menu ul{list-style:none;margin:0;padding:8px 0 16px}
.mobile-menu a{display:block;padding:12px 0;font-size:.9375rem;color:var(--ink-700)}
.mobile-menu a:hover{color:var(--brand)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:.9375rem;font-weight:500;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem}
.btn-lg{height:52px;padding:0 28px;font-size:1rem}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,77,28,.24)}
.btn-primary:hover{background:var(--brand-600)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink-900)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ============ badges ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;background:var(--surface-2);color:var(--ink-700);
}
.badge-score{background:var(--accent);color:var(--ink-900)}
.badge-ok{background:rgba(23,143,107,.12);color:var(--ok)}
.badge-warn{background:rgba(226,160,8,.14);color:#9A6D00}

/* ============ article head ============ */
.page-wrap{padding-bottom:96px}
.breadcrumb{padding:24px 0 0;font-size:12px;color:var(--ink-500)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink-700)}
.article-head{padding:28px 0 40px;border-bottom:1px solid var(--line)}
.section-kicker{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--ink-500);letter-spacing:.02em}
.section-kicker::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.article-head h1{
  font-family:var(--font-display);
  font-size:clamp(1.75rem,4vw,2.75rem);
  line-height:1.25;
  letter-spacing:-.02em;
  max-width:860px;
  margin:16px 0 0;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--ink-500)}
.meta-row .sep{color:var(--line)}
.meta-row .tnum{color:var(--ink-700)}

/* ============ layout ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:48px;align-items:start}
.article-main{max-width:760px;min-width:0}
.article-body{font-size:1rem;line-height:1.9;color:var(--ink-700)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.6em}
.article-body > p:first-of-type{font-size:1.0625rem;color:var(--ink-900);line-height:1.85}
.article-body h2{
  position:relative;font-family:var(--font-display);
  font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.35;color:var(--ink-900);
  margin:2.4em 0 .8em;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:1.25rem;line-height:1.4;color:var(--ink-900);margin:1.8em 0 .6em}
.article-body h4{font-size:1.0625rem;line-height:1.5;color:var(--ink-900);margin:1.5em 0 .5em}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(255,77,28,.35)}
.article-body a:hover{border-bottom-color:var(--brand-600)}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--brand);font-size:.8em}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:#F5F2EC;border-radius:0 12px 12px 0;font-style:italic;font-size:.9375rem;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.8em auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:.9375rem;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface-2);font-weight:600;color:var(--ink-900)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.9em}

/* ============ tags / nav / related ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:.8125rem;color:var(--ink-700);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-1px)}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}
.post-nav-item{
  display:block;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.post-nav-item:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--sh-md)}
.post-nav-item .pn-label{font-size:12px;color:var(--ink-500)}
.post-nav-item .pn-title{display:block;margin-top:8px;font-size:.9375rem;font-weight:600;color:var(--ink-900);line-height:1.5}
.back-row{margin-top:32px}

/* ============ related ============ */
.related{margin-top:72px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.related-head h2{font-family:var(--font-display);font-size:clamp(1.35rem,2.6vw,1.75rem);line-height:1.3}
.related-head .more{font-size:.875rem;color:var(--ink-500)}
.related-head .more:hover{color:var(--brand)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#DBD7CE}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEDE8}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(250,248,244,.92);backdrop-filter:blur(6px)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:1rem;line-height:1.5}
.card-body h3 a:hover{color:var(--brand-600)}
.card-body p{font-size:.875rem;color:var(--ink-500);line-height:1.7}
.card-meta{margin-top:auto;font-size:12px;color:var(--ink-500);display:flex;gap:10px;align-items:center}

/* ============ sidebar ============ */
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-card h3{font-size:.9375rem;font-weight:600;letter-spacing:.01em;margin-bottom:14px}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc-list a{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:.875rem;color:var(--ink-700);border-bottom:1px solid transparent;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.toc-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line);flex:0 0 auto;transition:background .2s var(--ease)}
.toc-list a:hover{color:var(--brand-600);padding-left:4px}
.toc-list a:hover::before{background:var(--brand)}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.hot-list li{padding:12px 0;border-top:1px solid var(--line);font-size:.875rem;line-height:1.6}
.hot-list li:first-child{border-top:0;padding-top:0}
.hot-list a:hover{color:var(--brand-600)}
.hot-list .hot-time{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
.side-cta{background:var(--ink-900);color:#fff;border-radius:var(--r-card);padding:22px;border:1px solid rgba(255,255,255,.08)}
.side-cta h3{color:#fff;font-size:.9375rem;margin-bottom:8px}
.side-cta p{font-size:.8125rem;color:rgba(255,255,255,.66);line-height:1.7}
.side-cta .btn{margin-top:16px;width:100%}
.qr-box{
  width:88px;height:88px;border-radius:12px;margin-top:16px;
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.24);
  display:grid;place-items:center;font-size:12px;color:rgba(255,255,255,.7);text-align:center;line-height:1.4;
}

/* ============ empty state ============ */
.article-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:56px 28px;text-align:center;
}
.article-empty svg{color:var(--ink-500);margin:0 auto 16px}
.article-empty h2{font-family:var(--font-display);font-size:1.375rem;margin-bottom:10px}
.article-empty p{font-size:.9375rem;color:var(--ink-500);margin-bottom:22px}

/* ============ FAQ ============ */
.faq-block{margin-top:80px;padding-top:56px;border-top:1px solid var(--line)}
.faq-block h2{font-family:var(--font-display);font-size:clamp(1.35rem,2.6vw,1.75rem);line-height:1.3;margin-bottom:12px}
.faq-block .faq-sub{font-size:.9375rem;color:var(--ink-500);margin-bottom:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;font-size:1.0625rem;font-weight:500;color:var(--ink-900);
}
.faq-q .plus{flex:0 0 auto;width:22px;height:22px;color:var(--ink-500);transition:transform .28s var(--ease),color .28s var(--ease)}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 0 22px;font-size:.9375rem;color:var(--ink-500);line-height:1.8;max-width:760px}

/* ============ CTA ============ */
.cta-band{
  margin-top:88px;background:var(--ink-900);color:#fff;border-radius:24px;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:center;padding:56px 48px}
.cta-inner h2{font-family:var(--font-display);font-size:clamp(1.75rem,3.4vw,2.5rem);line-height:1.2;color:#fff}
.cta-inner p{margin-top:16px;font-size:.9375rem;color:rgba(255,255,255,.68);max-width:520px}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-actions .btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:96px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:999px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78);transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.footer-social a:hover{color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.footer-col h4{font-size:.875rem;color:#fff;font-weight:600;margin-bottom:18px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.875rem;line-height:2;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.42)}

/* ============ mobile tab bar ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;
  background:rgba(250,248,244,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab .tab-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px}
.tab-item{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink-500);font-size:11px}
.tab-item svg{width:20px;height:20px}
.tab-item::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);transition:transform .24s var(--ease)}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{transform:translateX(-50%) scaleX(1)}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ breakpoints ============ */
@media (max-width:1279px){
  .container{max-width:1140px}
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:1023px){
  :root{--pad-x:24px}
  .main-nav{display:none}
  .menu-toggle{display:grid}
  .mobile-menu.is-open{display:block}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .sidebar{display:none}
  .article-main{max-width:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
}
@media (max-width:767px){
  :root{--pad-x:20px}
  body{padding-bottom:76px;font-size:15.5px;line-height:1.8}
  .header-inner{height:60px;gap:16px}
  .header-actions .btn{display:none}
  .site-header{position:sticky}
  .breadcrumb{padding-top:16px}
  .article-head{padding:20px 0 28px}
  .article-head h1{margin-top:12px}
  .article-layout{padding-top:32px}
  .article-body{font-size:1rem;line-height:1.85}
  .article-body h2{margin-top:2em}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .related{margin-top:56px}
  .related-head{flex-direction:column;align-items:flex-start;gap:10px}
  .faq-block{margin-top:56px;padding-top:40px}
  .cta-band{margin-top:56px;border-radius:18px}
  .cta-inner{padding:36px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-row{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-col address{line-height:1.9}
  .mobile-tab{display:block}
  .page-wrap{padding-bottom:56px}
}

/* roulang page: category2 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --font-display:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --radius-card:18px;
  --radius-poster:22px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(14,15,18,.06);
  --shadow-md:0 8px 24px rgba(14,15,18,.07);
  --shadow-lg:0 24px 60px rgba(14,15,18,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-1:4px;--gap-2:8px;--gap-3:12px;--gap-4:16px;--gap-5:24px;--gap-6:32px;--gap-7:48px;--gap-8:64px;--gap-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);background:var(--surface-2)}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25}
h1{font-family:var(--font-display);font-size:clamp(2.25rem,6.2vw,4.5rem);line-height:1.08;letter-spacing:-.02em}
h2{font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.2}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--gap-5);margin-bottom:var(--gap-6)}
.section-head p{color:var(--ink-500);font-size:.9375rem;max-width:640px;margin-top:var(--gap-3)}
.eyebrow{display:inline-flex;align-items:center;gap:var(--gap-2);font-size:.8125rem;color:var(--brand);font-weight:600;letter-spacing:.06em}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.link-more{font-size:.875rem;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-more:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:var(--gap-6);height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--ink-900);overflow:hidden;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;left:-6px;top:12px;width:44px;height:7px;background:var(--brand);transform:rotate(-32deg)}
.logo-text{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;color:var(--ink-900)}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{position:relative;font-size:.875rem;font-weight:500;color:var(--ink-700);padding:8px 0;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900);font-weight:600}
.header-actions{display:flex;align-items:center;gap:var(--gap-3);margin-left:var(--gap-5)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-700);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:.9375rem;font-weight:600;cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease)}
.btn-sm{height:36px;padding:0 16px;font-size:.8125rem}
.btn-lg{height:52px;padding:0 28px;font-size:1rem}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,77,28,.22)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink-900);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(96deg,rgba(14,15,18,.9) 6%,rgba(14,15,18,.62) 52%,rgba(14,15,18,.34) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;pointer-events:none;opacity:.5}
.hero-inner{position:relative;z-index:2;padding:72px 0 88px;max-width:780px}
.hero h1{color:#fff;margin-top:var(--gap-5)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:var(--gap-5);font-size:1.0625rem;color:rgba(255,255,255,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--gap-4);margin-top:var(--gap-6)}
.breadcrumb{font-size:.75rem;color:rgba(255,255,255,.68);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a{border-bottom:1px solid rgba(255,255,255,.28)}
.breadcrumb a:hover{color:#fff;border-color:#fff}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap-5);border-top:1px solid rgba(255,255,255,.14);padding:var(--gap-5) 0 var(--gap-7)}
.hero-stat b{display:block;font-family:var(--font-display);font-size:2rem;color:#fff;font-weight:600;letter-spacing:-.01em}
.hero-stat span{font-size:.8125rem;color:rgba(255,255,255,.66)}

/* ---------- chips ---------- */
.chip-row{display:flex;gap:var(--gap-3);overflow-x:auto;padding:4px 0 12px;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity}
.chip-row::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.875rem;font-weight:500;color:var(--ink-700);cursor:pointer;transition:all .22s var(--ease)}
.chip:hover{border-color:var(--ink-900);transform:translateY(-1px)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--surface-2);color:var(--ink-900)}
.badge-brand{background:rgba(255,77,28,.12);color:var(--brand-600)}
.badge-accent{background:var(--accent);color:var(--ink-900)}
.badge-ok{background:rgba(23,143,107,.12);color:var(--ok)}
.badge-warn{background:rgba(226,160,8,.16);color:#8a6200}
.badge-dark{background:rgba(14,15,18,.72);color:#fff;backdrop-filter:blur(6px)}

/* ---------- gift grid ---------- */
.gift-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap-6);margin-top:var(--gap-6)}
.gift-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);display:flex;flex-direction:column}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DCD8CE}
.gift-cover{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:0;background:var(--surface-2)}
.gift-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s var(--ease)}
.gift-card:hover .gift-cover img{transform:scale(1.04)}
.gift-cover .badge{position:absolute;top:14px;left:14px;z-index:2}
.gift-owner{position:absolute;right:14px;bottom:14px;z-index:2;font-size:.75rem;color:#fff;background:rgba(14,15,18,.6);padding:4px 10px;border-radius:999px;backdrop-filter:blur(4px)}
.gift-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:var(--gap-3);flex:1}
.gift-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:1.125rem}
.gift-desc{font-size:.875rem;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gift-meta{display:flex;flex-wrap:wrap;gap:var(--gap-4);font-size:.8125rem;color:var(--ink-500);padding-top:var(--gap-3);border-top:1px dashed var(--line)}
.gift-meta b{color:var(--ink-900);font-weight:600}
.gift-foot{display:flex;align-items:center;gap:var(--gap-3);margin-top:auto;padding-top:var(--gap-4)}
.gift-foot .btn{flex:1}
.stock{display:flex;flex-direction:column;gap:6px;font-size:.75rem;color:var(--ink-500);width:100%}
.stock-bar{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.stock-bar i{display:block;height:100%;background:var(--brand);border-radius:999px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap-6);margin-top:var(--gap-6)}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{font-family:var(--font-display);font-size:2.5rem;color:#D8D4CC;line-height:1;transition:color .3s var(--ease)}
.step:hover .step-num{color:var(--brand)}
.step h3{margin:var(--gap-4) 0 var(--gap-3)}
.step p{font-size:.9375rem;color:var(--ink-500)}

/* ---------- ranking ---------- */
.ranking{background:var(--ink-900);color:#fff;border-radius:24px;padding:56px 48px;position:relative;overflow:hidden}
.ranking::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:72px 72px;pointer-events:none}
.ranking-inner{position:relative;z-index:2}
.ranking h2{color:#fff}
.ranking .eyebrow{color:var(--accent)}
.ranking .eyebrow::before{background:var(--accent)}
.rank-list{margin-top:var(--gap-6);border-top:1px solid rgba(255,255,255,.1)}
.rank-item{display:grid;grid-template-columns:64px 72px 1fr auto;align-items:center;gap:var(--gap-5);padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1);transition:transform .28s var(--ease)}
.rank-item:hover{transform:translateX(4px)}
.rank-no{font-family:var(--font-display);font-size:1.75rem;color:rgba(255,255,255,.5)}
.rank-item:nth-child(-n+3) .rank-no{color:var(--brand)}
.rank-thumb{width:72px;height:72px;border-radius:14px;object-fit:cover;background:#1b1d22}
.rank-info h3{color:#fff;font-size:1.0625rem}
.rank-info span{font-size:.8125rem;color:rgba(255,255,255,.6)}
.rank-value{text-align:right;font-size:.875rem;color:rgba(255,255,255,.72)}
.rank-value b{display:block;font-family:var(--font-display);font-size:1.375rem;color:var(--accent)}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:var(--gap-5);padding:24px 0;font-size:1.0625rem;font-weight:500;color:var(--ink-900);transition:color .2s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq .plus{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .28s var(--ease)}
.faq .plus::before,.faq .plus::after{content:"";position:absolute;left:0;top:9px;width:20px;height:1.75px;background:currentColor;border-radius:2px}
.faq .plus::after{transform:rotate(90deg)}
.faq details[open] .plus{transform:rotate(45deg);color:var(--brand)}
.faq p{font-size:.9375rem;color:var(--ink-500);padding:0 0 24px;max-width:860px}

/* ---------- cta ---------- */
.cta{background:var(--ink-900);color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:72px 72px;pointer-events:none}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:2fr 1fr;gap:var(--gap-7);align-items:center;padding:80px 0}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.72);margin-top:var(--gap-4);max-width:560px}
.cta-actions{display:flex;gap:var(--gap-3);margin-top:var(--gap-6);flex-wrap:wrap}
.qr{width:88px;height:88px;border-radius:14px;border:1px dashed rgba(255,255,255,.32);display:grid;place-items:center;font-size:.6875rem;color:rgba(255,255,255,.6);text-align:center;padding:8px;justify-self:end}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--gap-7);padding:72px 0 48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:.875rem;margin-top:var(--gap-4);max-width:320px;color:rgba(255,255,255,.62)}
.footer-social{display:flex;gap:var(--gap-3);margin-top:var(--gap-5)}
.footer-social a{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.7);transition:all .22s var(--ease)}
.footer-social a:hover{color:#fff;border-color:var(--brand);background:rgba(255,77,28,.14)}
.footer-col h4{color:#fff;font-size:.9375rem;margin-bottom:var(--gap-4)}
.footer-col ul{display:flex;flex-direction:column;gap:12px;font-size:.875rem}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.875rem;line-height:2;color:rgba(255,255,255,.62)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.75rem;color:rgba(255,255,255,.45)}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{display:none}
@media (max-width:1023px){
  .main-nav{display:none}
  .header-inner{gap:var(--gap-4)}
  .header-actions{margin-left:auto}
  .gift-grid{grid-template-columns:1fr 1fr;gap:var(--gap-5)}
  .steps{grid-template-columns:1fr 1fr}
  .ranking{padding:44px 32px}
  .rank-item{grid-template-columns:44px 60px 1fr auto;gap:var(--gap-4)}
  .rank-thumb{width:60px;height:60px}
  .cta-grid{grid-template-columns:1fr;padding:64px 0}
  .qr{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--gap-6);padding:56px 0 40px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:var(--gap-3)}
  .hero-inner{padding:48px 0 40px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:var(--gap-4);padding-bottom:44px}
  .hero-stat b{font-size:1.625rem}
  .gift-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .rank-item{grid-template-columns:36px 1fr auto;align-items:start}
  .rank-thumb{display:none}
  .footer-grid{grid-template-columns:1fr;gap:var(--gap-6)}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    padding:8px 8px calc(8px + env(safe-area-inset-bottom));
  }
  .tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.6875rem;color:var(--ink-500);padding:6px 2px;position:relative;transition:color .2s var(--ease)}
  .tab-item.is-active{color:var(--brand)}
  .tab-item.is-active::before{content:"";position:absolute;top:-8px;left:50%;transform:translateX(-50%);width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--brand)}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .gift-body{padding:18px}
  .ranking{padding:36px 20px}
  .gift-meta{gap:var(--gap-3)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .gift-card:hover,.step:hover,.rank-item:hover,.btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --font-display:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(14,15,18,.06);
  --sh-md:0 8px 24px rgba(14,15,18,.07);
  --sh-lg:0 24px 60px rgba(14,15,18,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;background:var(--surface-2)}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-sm)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--ink-900);
  position:relative;overflow:hidden;display:inline-block;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:-4px;top:9px;width:38px;height:10px;
  background:var(--brand);transform:rotate(-32deg);
}
.logo-text{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;color:var(--ink-900)}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-700);
  padding:6px 0;transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:inline-flex;
  align-items:center;justify-content:center;color:var(--ink-700);
  border:1px solid var(--line);background:var(--surface);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;line-height:1;
  border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600)}
.btn-secondary{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink-900)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem}
.btn-lg{height:52px;padding:0 28px;font-size:1rem}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--ink-900);
  background-image:linear-gradient(115deg,rgba(14,15,18,.92) 0%,rgba(14,15,18,.74) 46%,rgba(14,15,18,.52) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);
}
.hero-inner{position:relative;z-index:2;padding:64px 32px 72px;max-width:var(--container);margin:0 auto}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.75rem;color:rgba(255,255,255,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.pill-badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,77,28,.16);color:#FFD8CB;
  font-size:.75rem;font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.page-hero h1{
  font-family:var(--font-display);color:#fff;
  font-size:clamp(2.25rem,6.2vw,4.5rem);line-height:1.08;letter-spacing:-.02em;
  max-width:900px;
}
.hero-lead{margin-top:20px;font-size:1.0625rem;color:rgba(255,255,255,.78);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;
  margin-top:52px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);
  max-width:760px;
}
.stat-num{font-family:var(--font-display);font-size:2rem;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.stat-label{margin-top:6px;font-size:.8125rem;color:rgba(255,255,255,.62)}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-title{font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.2}
.section-title .bar{
  display:inline-block;width:6px;height:.72em;background:var(--brand);
  border-radius:3px;margin-right:14px;vertical-align:-2px;
}
.section-desc{margin-top:12px;color:var(--ink-500);font-size:.9375rem;max-width:620px}
.link-more{font-size:.875rem;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-more:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- 特稿 + 时间线 ---------- */
.feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .32s var(--ease),transform .32s var(--ease);
}
.feature-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media .tag{position:absolute;left:16px;top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-900);font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.tag-brand{background:var(--brand);color:#fff}
.tag-accent{background:var(--accent);color:var(--ink-900)}
.feature-body{padding:28px 28px 30px}
.feature-body h3{font-family:var(--font-display);font-size:1.5rem;line-height:1.35;margin-bottom:14px}
.feature-body p{color:var(--ink-500);font-size:.9375rem}
.feature-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;font-size:.8125rem;color:var(--ink-500)}
.feature-meta span{display:inline-flex;align-items:center;gap:6px}

.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline-item{position:relative;padding:0 0 26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--surface);border:2px solid var(--line);transition:border-color .24s var(--ease),background .24s var(--ease);
}
.timeline-item:hover::before{border-color:var(--brand);background:var(--brand)}
.timeline-day{font-family:var(--font-display);font-size:.9375rem;color:var(--brand);font-weight:600;letter-spacing:.02em}
.timeline-item h4{font-size:1.0625rem;margin:4px 0 6px}
.timeline-item p{font-size:.875rem;color:var(--ink-500)}

/* ---------- 深色对照面板 ---------- */
.compare{background:var(--ink-900);color:#fff;border-radius:22px;padding:48px;position:relative;overflow:hidden}
.compare::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.7;
}
.compare > *{position:relative;z-index:2}
.compare h2{color:#fff;font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,2.25rem);line-height:1.2}
.compare .section-desc{color:rgba(255,255,255,.66)}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:36px;border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden}
.compare-col{padding:28px 26px}
.compare-col + .compare-col{border-left:1px solid rgba(255,255,255,.1)}
.compare-col h3{color:#fff;font-size:1.125rem;margin-bottom:6px}
.compare-col .role{font-size:.8125rem;color:rgba(255,255,255,.55)}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.9375rem}
.compare-row:last-child{border-bottom:0}
.compare-row .k{color:rgba(255,255,255,.6);font-size:.875rem}
.compare-row .v{font-weight:600;color:#fff;font-variant-numeric:tabular-nums}
.v-high{color:var(--accent)}
.v-mid{color:var(--warn)}
.v-low{color:#FF8A6A}
.compare-note{margin-top:26px;font-size:.875rem;color:rgba(255,255,255,.6)}

/* ---------- 路径三步 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.path-step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:0 0 26px;overflow:hidden;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.path-step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D9D4C9}
.path-media{aspect-ratio:16/10;overflow:hidden}
.path-media img{width:100%;height:100%;object-fit:cover}
.path-body{padding:22px 24px 0}
.path-num{font-family:var(--font-display);font-size:2.5rem;line-height:1;color:#D8D4CC;font-variant-numeric:tabular-nums;transition:color .24s var(--ease)}
.path-step:hover .path-num{color:var(--brand)}
.path-body h3{font-size:1.125rem;margin:12px 0 8px}
.path-body p{font-size:.875rem;color:var(--ink-500)}

/* ---------- 翻车点清单 ---------- */
.mistake-list{display:grid;gap:0;border-top:1px solid var(--line)}
.mistake-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:start;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.mistake-item:hover{transform:translateX(4px);border-color:var(--brand)}
.mistake-icon{
  width:44px;height:44px;border-radius:12px;background:var(--surface-2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
}
.mistake-item h3{font-size:1.0625rem;margin-bottom:6px}
.mistake-item p{font-size:.875rem;color:var(--ink-500);max-width:760px}
.mistake-fix{font-size:.8125rem;color:var(--ok);font-weight:600;white-space:nowrap;padding-top:4px}

/* ---------- FAQ ---------- */
.faq{max-width:920px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{font-size:1.0625rem;font-weight:500;color:var(--ink-900)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-500);transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand)}
.faq-a{padding:0 4px 24px;font-size:.9375rem;color:var(--ink-500);max-width:800px}

/* ---------- 订阅 ---------- */
.subscribe{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.subscribe h2{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.125rem);line-height:1.25}
.subscribe p{margin-top:14px;color:var(--ink-500);font-size:.9375rem}
.subscribe-form{display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:.8125rem;font-weight:600;color:var(--ink-700)}
.field input{
  height:48px;padding:0 16px;border-radius:var(--r-input);
  background:var(--surface-2);border:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:#9A9DA6}
.field input:focus{outline:none;background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,77,28,.15)}
.form-note{font-size:.8125rem;color:var(--ink-500)}
.form-msg{font-size:.8125rem;color:var(--ok);min-height:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:#fff}
.site-footer .logo-mark::after{background:var(--brand)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-top:1px solid rgba(255,255,255,.08);padding-top:48px}
.footer-brand p{font-size:.875rem;margin-top:16px;max-width:320px;color:rgba(255,255,255,.6)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.75);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.footer-social a:hover{color:#fff;border-color:var(--brand);background:rgba(255,77,28,.18)}
.footer-col h4{color:#fff;font-size:.9375rem;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.62);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.8125rem;line-height:2;color:rgba(255,255,255,.55)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;
  font-size:.75rem;color:rgba(255,255,255,.42);
}

/* ---------- 移动端底部 Tab ---------- */
.tab-bar{display:none}

/* ---------- 进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .hero-inner{padding:56px 28px 64px}
}
@media (max-width:1023px){
  .main-nav{gap:22px}
  .feature-layout{grid-template-columns:1fr;gap:40px}
  .compare{padding:36px}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .subscribe{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:880px){
  .main-nav{display:none}
  .header-inner{height:60px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px}
  .stat-num{font-size:1.5rem}
  .compare-grid{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:0;border-top:1px solid rgba(255,255,255,.1)}
  .mistake-item{grid-template-columns:44px 1fr;gap:16px}
  .mistake-fix{grid-column:2;padding-top:0}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .hero-inner{padding:44px 20px 52px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px}
  .hero-actions .btn{flex:1 1 auto}
  .path-grid{grid-template-columns:1fr}
  .compare{padding:26px;border-radius:18px}
  .subscribe{padding:26px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .feature-body{padding:22px 20px 24px}
  .footer-bottom{font-size:.75rem;line-height:1.8}
  .tab-bar{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:rgba(250,248,244,.96);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
    height:auto;
  }
  .tab-item{
    position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:6px 0 4px;font-size:.6875rem;color:var(--ink-500);
    transition:color .2s var(--ease);
  }
  .tab-item svg{width:20px;height:20px}
  .tab-item.is-active{color:var(--brand)}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:22px;height:3px;border-radius:3px;background:var(--brand);
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --surface-2:#F3F1EC;
  --ink-900:#0E0F12;
  --ink-700:#2A2C33;
  --ink-500:#5A5D66;
  --line:#E6E3DC;
  --brand:#FF4D1C;
  --brand-600:#E43F10;
  --accent:#B8E62E;
  --ok:#178F6B;
  --warn:#E2A008;
  --error:#D93636;
  --radius-card:18px;
  --radius-poster:22px;
  --pill:999px;
  --shadow-sm:0 1px 2px rgba(14,15,18,.06);
  --shadow-md:0 8px 24px rgba(14,15,18,.07);
  --shadow-lg:0 24px 60px rgba(14,15,18,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;background:var(--surface-2)}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink-900)}
p{margin:0}
time{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;display:flex;align-items:center;
  background:rgba(250,248,244,.85);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(14,15,18,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:8px;
  background:var(--ink-900);overflow:hidden;flex:none;
}
.logo-mark::after{
  content:"";position:absolute;top:-8px;right:-12px;
  width:36px;height:11px;background:var(--brand);transform:rotate(-38deg);
}
.logo-text{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;color:var(--ink-900)}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;padding:8px 0;font-size:14px;font-weight:500;
  color:var(--ink-500);transition:color .24s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;color:var(--ink-700);
  cursor:pointer;transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);
  border:1px solid transparent;font-size:.9375rem;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600)}
.btn-secondary{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand-600)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-sm{height:36px;padding:0 16px;font-size:.8125rem}
.btn-lg{height:52px;padding:0 30px}

/* ---------- 通用板块 ---------- */
main{display:block}
.section{padding:96px 0}
.section--tight{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.2;letter-spacing:-.01em;
}
.section-sub{margin-top:12px;color:var(--ink-500);max-width:42em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}
.link-more{font-size:.875rem;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-600)}
.link-more:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,15,18,.95) 0%,rgba(14,15,18,.78) 45%,rgba(14,15,18,.45) 100%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.6);margin-bottom:26px;
}
.crumbs a:hover{color:#fff}
.crumbs span[aria-hidden]{color:rgba(255,255,255,.28)}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.25rem,5.4vw,3.75rem);
  line-height:1.08;letter-spacing:-.02em;color:#fff;max-width:20em;
}
.hero-lead{margin-top:18px;font-size:1.0625rem;color:rgba(255,255,255,.78);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  margin-top:48px;border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-poster);
  background:rgba(255,255,255,.09);overflow:hidden;
}
.metric{background:rgba(14,15,18,.62);padding:20px 22px}
.metric-num{
  font-family:var(--font-display);font-size:2rem;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;
}
.metric-num small{font-size:.875rem;font-family:var(--font-sans);color:rgba(255,255,255,.6);margin-left:2px}
.metric-label{margin-top:6px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 评分面板 ---------- */
.score-panel{
  display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:48px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-poster);
  padding:48px;box-shadow:var(--shadow-sm);
}
.score-main{display:flex;flex-direction:column;gap:14px;border-right:1px solid var(--line);padding-right:40px}
.score-big{
  font-family:var(--font-display);font-size:3.5rem;line-height:1;
  color:var(--ink-900);font-variant-numeric:tabular-nums;
}
.score-big small{font-size:1.125rem;font-family:var(--font-sans);color:var(--ink-500)}
.stars{color:var(--brand);font-size:1.125rem;letter-spacing:.18em}
.score-note{font-size:.8125rem;color:var(--ink-500)}
.score-lines{display:grid;gap:18px;align-content:center}
.score-line{display:grid;grid-template-columns:44px minmax(0,1fr) 52px;align-items:center;gap:14px;font-size:.8125rem;color:var(--ink-500)}
.score-line b{text-align:right;color:var(--ink-900);font-variant-numeric:tabular-nums}
.bar-track{height:8px;border-radius:var(--pill);background:var(--surface-2);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--pill);background:var(--brand)}

/* ---------- 精选长评 ---------- */
.feature-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-poster);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.feature-media{position:relative;background:var(--surface-2);min-height:300px}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-body{padding:44px 44px 40px;display:flex;flex-direction:column;gap:16px}
.feature-title{font-family:var(--font-display);font-size:clamp(1.35rem,2.4vw,1.85rem);line-height:1.3}
.feature-quote{
  margin:0;padding:16px 20px;background:#F5F2EC;border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;font-size:.9375rem;font-style:italic;color:var(--ink-700);
}
.feature-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:.8125rem;color:var(--ink-500)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--pill);
  background:var(--surface-2);color:var(--ink-700);font-size:12px;font-weight:500;white-space:nowrap;
}
.badge-score{background:var(--accent);color:var(--ink-900);font-weight:700}
.badge-ok{background:rgba(23,143,107,.12);color:var(--ok)}

/* ---------- 口碑流 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.review-card{
  display:flex;flex-direction:column;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DBD6CC}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:.9375rem;font-weight:600;
}
.a1{background:#FFE3D9;color:#B3310B}
.a2{background:#EAF6CE;color:#4C6B00}
.a3{background:#E7EEF9;color:#2A4A7A}
.a4{background:#F3E9FF;color:#5A2E8A}
.review-who{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.9375rem;font-weight:600;color:var(--ink-900)}
.review-when{font-size:12px;color:var(--ink-500)}
.review-score{margin-left:auto;flex:none}
.review-text{font-size:.9375rem;color:var(--ink-700);line-height:1.85}
.review-foot{
  display:flex;align-items:center;gap:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-500);
}

/* ---------- 深色数据面板 ---------- */
.insight{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:var(--radius-poster);padding:56px;
}
.insight::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:48px 48px;
}
.insight > *{position:relative;z-index:1}
.insight-head{max-width:44em;margin-bottom:40px}
.insight .eyebrow{color:var(--accent)}
.insight .eyebrow::before{background:var(--accent)}
.insight-title{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.15rem);color:#fff;line-height:1.25}
.insight-sub{margin-top:14px;color:rgba(255,255,255,.66);font-size:.9375rem;max-width:40em}
.insight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px}
.insight-item{display:grid;gap:10px}
.insight-item-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.insight-item-top span{font-size:.875rem;color:rgba(255,255,255,.7)}
.insight-item-top b{font-family:var(--font-display);font-size:1.25rem;color:#fff;font-variant-numeric:tabular-nums}
.insight .bar-track{background:rgba(255,255,255,.12)}
.insight .bar-fill{background:var(--brand)}
.insight-note{margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.8125rem;color:rgba(255,255,255,.5)}

/* ---------- 表单 ---------- */
.form-wrap{max-width:760px;margin:0 auto}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-poster);
  padding:48px;box-shadow:var(--shadow-sm);
}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.field label{font-size:13px;font-weight:600;color:var(--ink-700);letter-spacing:.02em}
.field .req{color:var(--brand)}
.field input,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);
  border-radius:0;padding:11px 2px;font-size:1rem;color:var(--ink-900);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{resize:vertical;min-height:120px;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:#A9A69F}
.field input:hover,.field textarea:hover{border-bottom-color:#CFC9BE}
.field input:focus,.field textarea:focus{
  outline:none;border-bottom-color:var(--brand);
  box-shadow:0 2px 0 -1px rgba(255,77,28,.4);
}
.field-hint{font-size:12px;color:var(--ink-500)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.form-actions .tip{font-size:12px;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:1.0625rem;font-weight:500;color:var(--ink-900);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.faq-icon{
  position:relative;width:18px;height:18px;flex:none;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-500);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:background .24s var(--ease);
}
.faq-icon::before{width:14px;height:1.75px}
.faq-icon::after{width:1.75px;height:14px}
.faq-item[open] summary{color:var(--ink-900)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--brand)}
.faq-answer{padding:0 0 24px;max-width:62em;font-size:.9375rem;color:var(--ink-500);line-height:1.9}

/* ---------- 底部 CTA ---------- */
.backtop-cta{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-poster);
  padding:44px 48px;
}
.backtop-cta h2{font-family:var(--font-display);font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.25}
.backtop-cta p{margin-top:12px;color:var(--ink-500);font-size:.9375rem;max-width:34em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:72px 0 28px;margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:#fff}
.footer-brand p{margin:16px 0 20px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:26em}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.7);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:#fff;background:rgba(255,77,28,.18)}
.footer-social a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.footer-col h4{font-size:.9375rem;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.66);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:.875rem;line-height:2;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  text-align:center;font-size:12px;color:rgba(255,255,255,.45);
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  position:relative;height:60px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--ink-500);
  transition:color .24s var(--ease);
}
.tab-item svg{width:20px;height:20px}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);
}
.tab-item:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .score-panel{padding:40px;gap:36px}
  .insight{padding:44px}
}
@media (max-width:1023px){
  .main-nav{gap:22px}
  .score-panel{grid-template-columns:1fr;gap:32px}
  .score-main{border-right:0;border-bottom:1px solid var(--line);padding-right:0;padding-bottom:24px}
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:240px}
  .feature-body{padding:32px}
  .insight-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .main-nav{display:none}
  .header-actions .icon-btn{display:none}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero-inner{padding:48px 0 44px}
  .hero h1{font-size:clamp(1.9rem,8vw,2.5rem)}
  .hero-lead{font-size:1rem}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px}
  .metric{padding:16px}
  .metric-num{font-size:1.6rem}
  .score-panel{padding:26px}
  .score-big{font-size:2.75rem}
  .review-grid{grid-template-columns:1fr}
  .insight{padding:28px}
  .form-card{padding:28px}
  .form-row{grid-template-columns:1fr;gap:0}
  .backtop-cta{grid-template-columns:1fr;padding:30px 26px;gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-col:last-child{grid-column:auto}
  .footer-bottom{margin-top:36px}
  .tabbar{display:grid}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .metrics{grid-template-columns:1fr 1fr}
  .review-card{padding:20px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,.review-card:hover{transform:none}
}