/* roulang page: index */
:root{
  --c-night:#0E1714;
  --c-ink:#121A17;
  --c-ink-2:#4A5551;
  --c-ink-3:#8A948F;
  --c-brand:#E4401F;
  --c-brand-dark:#B32E12;
  --c-accent:#C6F24E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DCD0;
  --c-danger:#D93025;
  --c-ok:#2F8F5B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,23,20,.05);
  --sh-2:0 14px 40px rgba(14,23,20,.10);
  --ease:cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
::selection{background:var(--c-accent);color:var(--c-night)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:80px 0}
.section-alt{background:var(--c-surface-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-title{position:relative;padding-left:20px;font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;color:var(--c-ink);letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:32px;border-radius:3px;background:var(--c-brand)}
.sec-desc{font-size:15px;color:var(--c-ink-3);max-width:520px;line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 8px 20px rgba(228,64,31,.24)}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(228,64,31,.3)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-primary.is-done{background:var(--c-ok);box-shadow:0 8px 20px rgba(47,143,91,.24)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-dark-ghost{background:transparent;border-color:rgba(198,242,78,.42);color:var(--c-accent)}
.btn-dark-ghost:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-night);transform:translateY(-2px)}
.btn-dark-ghost:active{transform:translateY(0) scale(.98)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6}
.badge-brand{background:rgba(228,64,31,.1);color:var(--c-brand-dark)}
.badge-live{background:rgba(14,23,20,.74);color:var(--c-accent);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.badge-soft{background:var(--c-surface-2);color:var(--c-ink-2)}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1200px,calc(100% - 32px));z-index:200}
.nav{
  height:var(--nav-h);display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;background:var(--c-brand);
  clip-path:polygon(0 0,100% 0,100% 100%,50% 72%,0 100%);
  border-radius:4px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:900;color:var(--c-ink);letter-spacing:-.01em}
.logo-sub{font-size:10px;color:var(--c-ink-3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  display:block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.nav-links a:hover{background:var(--c-surface);color:var(--c-ink)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:700}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.nav-cta{height:44px;padding:0 22px;font-size:14px}
.nav-burger{display:none;width:44px;height:44px;border-radius:var(--r-pill);flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--c-line);background:var(--c-surface)}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform 220ms var(--ease),opacity 220ms var(--ease)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:190;background:var(--c-night);
  display:flex;flex-direction:column;padding:104px 28px 40px;
  transform:translateY(-102%);opacity:0;pointer-events:none;overflow-y:auto;
  transition:transform 380ms var(--ease),opacity 300ms var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:32px}
.drawer-links a{color:#F7F5F0;font-size:22px;font-weight:700;line-height:2.2;border-bottom:1px solid rgba(247,245,240,.1)}
.drawer-links a.is-active{color:var(--c-accent)}
.drawer-sub{color:rgba(247,245,240,.6);font-size:14px;line-height:1.9;margin-bottom:24px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-night);overflow:hidden;min-height:640px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(14,23,20,.94) 0%,rgba(14,23,20,.78) 42%,rgba(14,23,20,.32) 100%),
    linear-gradient(180deg,rgba(14,23,20,.72) 0%,rgba(14,23,20,.1) 38%,rgba(14,23,20,.9) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;padding-top:150px;padding-bottom:130px;width:100%}
.hero-copy{grid-column:span 6}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.32);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero-title{
  font-size:clamp(32px,5vw,58px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;color:#F7F5F0;margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(247,245,240,.72);margin-bottom:32px;max-width:460px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-note{font-size:13px;color:rgba(247,245,240,.5);letter-spacing:.02em}
.hero-side{grid-column:span 6}
.hero-cover{
  position:relative;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 100%,56px 100%,0 calc(100% - 56px));
  box-shadow:0 24px 60px rgba(0,0,0,.48);
}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-cover-bar{
  position:absolute;left:0;right:0;bottom:0;padding:18px 22px 22px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:linear-gradient(180deg,rgba(14,23,20,0) 0%,rgba(14,23,20,.9) 62%);
}
.hero-cover-title{color:#F7F5F0;font-size:15px;font-weight:700;line-height:1.5}

/* ---------- 倒计时 ---------- */
.countdown-sec{position:relative;z-index:5;margin-top:-56px}
.countdown-card{
  background:var(--c-night);border-radius:var(--r-xl);
  padding:26px 30px;box-shadow:0 20px 50px rgba(14,23,20,.28);
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  border:1px solid rgba(198,242,78,.14);
}
.count-left{flex:1 1 200px;min-width:180px}
.count-kicker{font-size:12px;letter-spacing:.08em;color:rgba(247,245,240,.5);margin-bottom:6px}
.count-name{font-size:17px;font-weight:800;color:#F7F5F0;line-height:1.4}
.count-grid{display:grid;grid-template-columns:repeat(4,minmax(62px,1fr));gap:10px;flex:1 1 320px}
.count-cell{
  background:rgba(255,255,255,.06);border:1px solid rgba(198,242,78,.16);
  border-radius:var(--r-md);padding:12px 6px;text-align:center;
}
.count-num{display:block;font-family:var(--font-num);font-size:clamp(30px,3.6vw,46px);font-weight:700;line-height:1;color:var(--c-accent);font-variant-numeric:tabular-nums}
.count-label{display:block;margin-top:6px;font-size:12px;color:rgba(247,245,240,.5);letter-spacing:.06em}
.count-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 直播预告流 ---------- */
.stream{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.stream-main{grid-column:span 8}
.stream-side{grid-column:span 4}
.stream-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--c-line)}
.stream-item:first-child{padding-top:0}
.stream-cover{flex:0 0 200px;width:200px;border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface-2)}
.stream-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 420ms var(--ease)}
.stream-item:hover .stream-cover img{transform:scale(1.05)}
.stream-body{flex:1 1 auto;min-width:0}
.stream-title{font-size:19px;font-weight:700;line-height:1.45;color:var(--c-ink);margin:10px 0 8px}
.stream-item:hover .stream-title a{color:var(--c-brand)}
.stream-text{font-size:15px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.stream-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}
.link-sub{color:var(--c-brand);font-weight:700;border-bottom:1px solid transparent}
.link-sub:hover{border-bottom-color:var(--c-brand)}

.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:sticky;top:104px}
.side-title{font-size:17px;font-weight:800;color:var(--c-ink);margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.timeline{position:relative}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--c-line)}
.timeline li{position:relative;padding:0 0 20px 26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:0;top:7px;width:11px;height:11px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 0 3px rgba(228,64,31,.14)}
.tl-time{display:block;font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.tl-name{display:block;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.tl-tag{display:inline-block;margin-top:6px;font-size:12px;color:var(--c-ink-3)}

/* ---------- 看点列表 ---------- */
.spot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line)}
.spot{padding:28px 24px 28px 0;border-right:1px solid var(--c-line)}
.spot:last-child{border-right:0;padding-right:0}
.spot-num{display:block;font-family:var(--font-num);font-size:32px;font-weight:900;line-height:1;color:var(--c-brand);letter-spacing:-.02em;margin-bottom:16px}
.spot h3{font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.45;margin-bottom:10px}
.spot p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 数据条 ---------- */
.stat-bar{
  margin-top:56px;background:var(--c-night);border-radius:var(--r-xl);
  padding:34px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat{text-align:center}
.stat-num{display:block;font-family:var(--font-num);font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1.1;color:var(--c-accent);font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:8px;font-size:13px;color:rgba(247,245,240,.6);letter-spacing:.04em}

/* ---------- 订阅 ---------- */
.subscribe{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.sub-copy p{margin-top:18px;font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:400px}
.sub-form-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-1)}
.field{display:flex;gap:10px;flex-wrap:wrap}
.field input{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:var(--r-md);
  background:var(--c-surface-2);border:1px solid transparent;
  font-size:15px;color:var(--c-ink);transition:border-color 200ms var(--ease),background 200ms var(--ease);
}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(228,64,31,.12)}
.field input.is-error{border-color:var(--c-danger);background:rgba(217,48,37,.05)}
.field input.is-ok{border-color:var(--c-ok);background:rgba(47,143,91,.05)}
.form-msg{margin-top:12px;font-size:13px;line-height:1.7;min-height:20px}
.form-msg.is-error{color:var(--c-danger)}
.form-msg.is-ok{color:var(--c-ok)}
.privacy{margin-top:12px;font-size:12px;color:var(--c-ink-3);line-height:1.7}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.news-cover{display:block;background:var(--c-surface-2)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--c-ink);margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title a{color:var(--c-brand)}
.news-sum{font-size:14px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-3)}
.news-more{color:var(--c-brand);font-weight:700}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:var(--r-md);
  background:var(--c-surface-2);
  background-image:linear-gradient(135deg,transparent 46%,var(--c-line) 46%,var(--c-line) 54%,transparent 54%);
}
.empty-state p{font-size:15px;color:var(--c-ink-3);margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq[open]{border-color:var(--c-brand);box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 24px;font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.6;
  transition:color 200ms var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);
  transform:translateY(-70%) rotate(45deg);transition:transform 260ms var(--ease),border-color 220ms var(--ease);
}
.faq[open] summary{color:var(--c-brand-dark)}
.faq[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-brand)}
.faq summary:hover{color:var(--c-brand)}
.faq-body{padding:0 24px 22px 24px;border-left:4px solid var(--c-brand);margin-left:0}
.faq-body p{font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--c-night);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#F7F5F0;line-height:1.3;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(247,245,240,.62);line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:rgba(247,245,240,.72);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.f-logo{font-size:19px;font-weight:900;color:#F7F5F0;letter-spacing:-.01em;margin-bottom:14px}
.f-brand p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.6);max-width:280px}
.f-col h3{font-size:14px;font-weight:700;color:#F7F5F0;letter-spacing:.04em;margin-bottom:16px}
.f-col ul{display:flex;flex-direction:column;gap:10px}
.f-col ul a{font-size:14px;color:rgba(247,245,240,.66);line-height:1.6}
.f-col ul a:hover{color:var(--c-accent)}
.f-sub p{font-size:14px;line-height:1.8;color:rgba(247,245,240,.6);margin-bottom:16px}
.f-form{display:flex;gap:8px;flex-wrap:wrap}
.f-form input{
  flex:1 1 140px;height:42px;padding:0 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.07);border:1px solid rgba(247,245,240,.14);
  color:#F7F5F0;font-size:14px;
}
.f-form input::placeholder{color:rgba(247,245,240,.4)}
.f-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.1)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(247,245,240,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,240,.45);letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-inner{padding-top:130px;padding-bottom:110px}
  .hero-copy{grid-column:span 12}
  .hero-side{grid-column:span 12;margin-top:8px}
  .hero-title{font-size:clamp(30px,6vw,44px)}
  .stream-main{grid-column:span 12}
  .stream-side{grid-column:span 12}
  .side-card{position:static}
  .spot-grid{grid-template-columns:repeat(2,1fr)}
  .spot{border-right:0;border-bottom:1px solid var(--c-line);padding-right:0}
  .spot:nth-child(odd){padding-right:24px;border-right:1px solid var(--c-line)}
  .spot:nth-last-child(-n+2){border-bottom:0}
  .subscribe{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links a{padding:9px 12px;font-size:14px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav{padding:0 8px 0 14px;gap:10px}
  .logo-sub{font-size:9px;letter-spacing:.02em}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .hero-inner{padding-top:112px;padding-bottom:96px}
  .hero{border-radius:0}
  .countdown-sec{margin-top:-40px}
  .countdown-card{padding:22px 20px;gap:22px}
  .count-actions{width:100%}
  .count-actions .btn{flex:1 1 auto}
  .stream-item{flex-direction:column;gap:14px}
  .stream-cover{flex:0 0 auto;width:100%}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:28px 16px;padding:28px 20px}
  .cta-band{padding:48px 0}
  .cta-inner .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:639px){
  .section{padding:48px 0}
  .sec-head{margin-bottom:28px}
  .spot-grid{grid-template-columns:1fr}
  .spot{padding:22px 0;border-right:0;border-bottom:1px solid var(--c-line)}
  .spot:nth-child(odd){padding-right:0;border-right:0}
  .spot:last-child{border-bottom:0}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .f-brand{grid-column:span 2}
  .f-sub{grid-column:span 2}
  .count-grid{grid-template-columns:repeat(2,1fr)}
  .sub-form-wrap{padding:22px 18px}
  .field input{flex:1 1 100%}
  .field .btn{width:100%}
  .hero-btns .btn{flex:1 1 auto}
}

/* roulang page: article */
:root{
  --c-night:#0E1714;
  --c-ink:#121A17;
  --c-ink-2:#4A5551;
  --c-ink-3:#8A948F;
  --c-brand:#E4401F;
  --c-brand-dark:#B32E12;
  --c-accent:#C6F24E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DCD0;
  --c-danger:#D93025;
  --c-ok:#2F8F5B;
  --r-sm:8px; --r-md:12px; --r-lg:18px; --r-xl:28px; --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,23,20,.05);
  --sh-2:0 14px 40px rgba(14,23,20,.10);
  --ff:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --ff-num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
  --t:220ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.85;color:var(--c-ink-2);background:var(--c-bg);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;line-height:1.3}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:80px 0}}
.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-title{font-size:clamp(24px,3vw,34px);position:relative;padding-left:16px;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:6px;width:6px;height:32px;border-radius:3px;background:var(--c-brand)}
.sec-desc{font-size:15px;color:var(--c-ink-3);max-width:520px}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1200px,calc(100% - 32px));z-index:80}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;height:64px;padding:0 10px 0 16px;border-radius:var(--r-pill);background:rgba(247,245,240,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;border-radius:50%;background:conic-gradient(from 210deg,var(--c-brand),var(--c-accent),var(--c-brand));clip-path:polygon(0 0,100% 0,100% 74%,50% 100%,0 74%)}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-main{font-size:17px;font-weight:900;color:var(--c-ink);letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.02em}
@media (max-width:767px){.logo-sub{display:none}}
.nav-links{display:none;list-style:none;margin:0;padding:0;align-items:center;gap:2px}
@media (min-width:900px){.nav-links{display:flex}}
.nav-links a{display:block;padding:9px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);transition:var(--t)}
.nav-links a:hover{background:var(--c-surface);color:var(--c-ink)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 11px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);cursor:pointer;transition:var(--t)}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--c-ink)}
.nav-burger:hover{border-color:var(--c-brand)}
@media (min-width:900px){.nav-burger{display:none}}
@media (max-width:899px){.nav-cta{display:none}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:1px solid transparent;border-radius:var(--r-pill);font-size:15px;font-weight:600;cursor:pointer;transition:var(--t);white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 6px 18px rgba(228,64,31,.24)}
.btn-primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-line:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:var(--c-night)}
.btn-accent:hover{background:#d5fb6c;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(198,242,78,.55);color:var(--c-accent)}
.btn-ghost:hover{background:rgba(198,242,78,.12);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-brand{background:rgba(228,64,31,.12);color:var(--c-brand-dark)}
.badge-solid{background:var(--c-brand);color:#fff}
.badge-night{background:rgba(14,23,20,.72);color:var(--c-accent)}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:13px;color:var(--c-ink-2);background:var(--c-surface);transition:var(--t)}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand)}

/* ---------- 内页 Banner ---------- */
.page-banner{position:relative;isolation:isolate;overflow:hidden;background:var(--c-night)}
.banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.5;z-index:-2}
.page-banner::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(14,23,20,.88) 0%,rgba(14,23,20,.76) 55%,rgba(14,23,20,.94) 100%)}
.banner-inner{padding:130px 0 56px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;max-width:900px}
@media (min-width:768px){.banner-inner{padding:150px 0 72px}}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,240,.62);letter-spacing:.02em}
.crumbs a{color:rgba(247,245,240,.62);transition:var(--t)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs .cur{color:rgba(247,245,240,.92);max-width:min(520px,62vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-title{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.3;color:#fff;max-width:860px;letter-spacing:-.01em}
.lede{margin:0;padding-left:16px;border-left:3px solid var(--c-accent);font-size:17px;line-height:1.85;color:rgba(247,245,240,.82);max-width:720px}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,240,.6);letter-spacing:.02em}
.meta-row em{font-style:normal;font-family:var(--ff-num);font-size:15px;color:var(--c-accent)}
.meta-row .dot{color:rgba(247,245,240,.3)}

/* ---------- 正文布局 ---------- */
.article-wrap{background:var(--c-bg)}
.article-layout{display:grid;gap:40px}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px}}
.article-main{min-width:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:26px 22px;box-shadow:var(--sh-1)}
@media (min-width:768px){.article-main{padding:40px 44px}}
.prose-cn{font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:760px}
.prose-cn > * + *{margin-top:1.4em}
.prose-cn h2{font-size:clamp(21px,2.4vw,25px);font-weight:800;color:var(--c-ink);line-height:1.35;margin-top:2em;margin-bottom:.8em;padding-left:14px;border-left:4px solid var(--c-brand);scroll-margin-top:110px}
.prose-cn h3{font-size:19px;font-weight:700;color:var(--c-ink);margin-top:1.7em;margin-bottom:.7em;scroll-margin-top:110px}
.prose-cn h4{font-size:17px;font-weight:700;color:var(--c-ink);margin-top:1.4em;margin-bottom:.5em}
.prose-cn a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.prose-cn a:hover{color:var(--c-brand-dark)}
.prose-cn strong{color:var(--c-ink)}
.prose-cn ul,.prose-cn ol{padding-left:1.35em}
.prose-cn li{margin:.45em 0}
.prose-cn li::marker{color:var(--c-brand)}
.prose-cn blockquote{margin:1.7em 0;padding:18px 22px;background:var(--c-surface-2);border-left:4px solid var(--c-brand);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink)}
.prose-cn blockquote p{margin:0}
.prose-cn img{border-radius:var(--r-lg);width:100%}
.prose-cn figure{margin:1.7em 0}
.prose-cn figcaption{margin-top:10px;font-size:13px;color:var(--c-ink-3);text-align:center}
.prose-cn hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0}
.prose-cn table{width:100%;border-collapse:collapse;font-size:15px;overflow:hidden;border-radius:var(--r-md)}
.prose-cn th,.prose-cn td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.prose-cn th{background:var(--c-surface-2);color:var(--c-ink);font-weight:700}
.prose-cn code{background:var(--c-surface-2);padding:2px 6px;border-radius:var(--r-sm);font-size:14px}

.notfound{max-width:560px;margin:0 auto;text-align:center;padding:20px 0 8px}
.notfound-mark{width:64px;height:64px;margin:0 auto 18px;border-radius:var(--r-lg);background:var(--c-surface-2);border:1px dashed var(--c-line);position:relative}
.notfound-mark::after{content:"";position:absolute;inset:16px;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--c-brand),var(--c-accent));clip-path:polygon(0 0,100% 12%,100% 100%,0 88%)}
.notfound h2{font-size:22px;margin-bottom:10px}
.notfound p{font-size:15px;color:var(--c-ink-3);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-side{display:grid;gap:20px;min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:104px;align-self:start}}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.side-card h2{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h2::before{content:"";width:5px;height:18px;border-radius:3px;background:var(--c-brand)}
.toc-list{list-style:none;padding:0;margin:0;max-height:320px;overflow:auto}
.toc-list li{margin:0}
.toc-list a{display:block;padding:7px 10px 7px 12px;border-left:2px solid var(--c-line);font-size:14px;color:var(--c-ink-2);transition:var(--t);line-height:1.6}
.toc-list a:hover{color:var(--c-brand);border-left-color:var(--c-brand);background:var(--c-surface-2)}
.toc-list a.is-current{color:var(--c-brand);border-left-color:var(--c-brand);font-weight:600}
.toc-list .toc-sub a{padding-left:26px;font-size:13px;color:var(--c-ink-3)}
.toc-empty{font-size:13px;color:var(--c-ink-3)}
.rank-list{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.rank-list li + li{border-top:1px solid var(--c-line)}
.rank-list a{display:flex;gap:12px;align-items:baseline;padding:11px 8px;border-radius:var(--r-sm);transition:var(--t)}
.rank-list a:hover{background:var(--c-surface-2)}
.rank-no{font-family:var(--ff-num);font-size:18px;font-weight:700;color:var(--c-brand);min-width:22px}
.rank-txt{flex:1;min-width:0;font-size:14px;line-height:1.6;color:var(--c-ink)}
.rank-time{display:block;font-size:12px;color:var(--c-ink-3);margin-top:4px}
.card-sub{background:var(--c-night);border-color:var(--c-night);color:rgba(247,245,240,.78)}
.card-sub h2{color:#fff}
.card-sub p{font-size:14px;color:rgba(247,245,240,.72);line-height:1.75}
.card-sub .f-form{margin-top:16px}
.card-sub .f-form input{background:rgba(247,245,240,.08);border-color:rgba(247,245,240,.2);color:#F2EFE8}
.card-sub .f-form input::placeholder{color:rgba(247,245,240,.5)}
.card-sub .form-msg{color:rgba(247,245,240,.6)}

/* ---------- 表单 ---------- */
.f-form{display:flex;gap:8px;align-items:center}
.f-form input{flex:1;min-width:0;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface-2);color:var(--c-ink);transition:var(--t)}
.f-form input::placeholder{color:var(--c-ink-3)}
.f-form input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(228,64,31,.16)}
.f-form.is-error input{border-color:var(--c-danger)}
.f-form.is-ok input{border-color:var(--c-ok)}
.form-msg{margin-top:10px;font-size:13px;color:var(--c-ink-3);min-height:18px}
.form-msg.is-error{color:var(--c-danger)}
.form-msg.is-ok{color:var(--c-ok)}

/* ---------- 标签行 / 上下篇 / 相关 ---------- */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}
.post-nav{display:grid;gap:16px;margin-top:40px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-card{display:block;padding:20px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);transition:var(--t)}
.post-nav-card:hover{border-color:var(--c-brand);box-shadow:var(--sh-2);transform:translateY(-3px)}
.pn-dir{display:block;font-size:13px;color:var(--c-brand);letter-spacing:.02em;margin-bottom:8px}
.post-nav-card strong{display:block;font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.55}
.rel-grid{display:grid;gap:20px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{display:flex;gap:16px;padding:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);transition:var(--t)}
.rel-card:hover{border-color:var(--c-brand);box-shadow:var(--sh-2);transform:translateY(-3px)}
.rel-card img{width:132px;height:84px;flex:0 0 132px;object-fit:cover;border-radius:var(--r-md);background:var(--c-surface-2)}
.rel-body{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:8px}
.rel-body h3{font-size:15px;font-weight:700;line-height:1.55;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:12px;color:var(--c-ink-3);font-family:var(--ff-num);letter-spacing:.04em}
.rel-more{display:flex;justify-content:center;margin-top:32px}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--c-night);color:#F2EFE8;padding:48px 0}
@media (min-width:768px){.cta-band{padding:64px 0}}
.cta-inner{display:flex;flex-direction:column;gap:22px;align-items:flex-start;justify-content:space-between}
@media (min-width:900px){.cta-inner{flex-direction:row;align-items:center}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(247,245,240,.72);font-size:15px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:rgba(247,245,240,.72);padding:56px 0 28px}
@media (min-width:768px){.site-footer{padding:72px 0 32px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px}}
.f-logo{font-size:20px;font-weight:900;color:#fff;margin-bottom:12px;letter-spacing:-.01em}
.f-brand p{font-size:14px;line-height:1.8;max-width:330px}
.f-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;font-weight:700}
.f-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.f-col a{font-size:14px;color:rgba(247,245,240,.72);transition:var(--t)}
.f-col a:hover{color:var(--c-accent)}
.f-sub p{font-size:14px;line-height:1.75;margin-bottom:4px}
.f-sub .f-form{margin-top:12px}
.f-sub .f-form input{background:rgba(247,245,240,.08);border-color:rgba(247,245,240,.2);color:#F2EFE8}
.f-sub .f-form input::placeholder{color:rgba(247,245,240,.5)}
.f-sub .form-msg{color:rgba(247,245,240,.55)}
.f-sub .form-msg.is-ok{color:var(--c-accent)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(247,245,240,.5)}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:var(--c-night);color:#F2EFE8;padding:104px 28px 40px;display:none;overflow-y:auto}
.drawer.is-open{display:block}
.drawer nav ul{list-style:none;padding:0;margin:0}
.drawer nav a{display:block;font-size:22px;font-weight:700;line-height:2.2;color:#F2EFE8;border-bottom:1px solid rgba(247,245,240,.1);transition:var(--t)}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--c-accent)}
.drawer-foot{margin-top:32px;display:grid;gap:14px}
.drawer-foot .mini{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,240,.55)}
.drawer-foot .mini a:hover{color:var(--c-accent)}
.drawer-close{position:absolute;top:26px;right:24px;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid rgba(247,245,240,.25);background:transparent;color:#F2EFE8;cursor:pointer;font-size:20px;line-height:1}

/* roulang page: category1 */
:root{
  --c-night:#0E1714;
  --c-ink:#121A17;
  --c-ink-2:#4A5551;
  --c-ink-3:#8A948F;
  --c-brand:#E4401F;
  --c-brand-dark:#B32E12;
  --c-accent:#C6F24E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DCD0;
  --c-danger:#D93025;
  --c-ok:#2F8F5B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,23,20,.05);
  --sh-2:0 14px 40px rgba(14,23,20,.10);
  --ease:cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-top:96px;
  background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input{font-family:inherit;font-size:100%}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.nav{
  pointer-events:auto;
  width:min(1200px,100%);height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 10px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:24px;height:24px;flex:0 0 24px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-dark));
  clip-path:polygon(0 0,100% 18%,100% 100%,0 82%);
  box-shadow:0 0 0 3px rgba(228,64,31,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--c-ink)}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.06em}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--c-surface);color:var(--c-ink)}
.nav-links a.is-active{background:var(--c-brand);color:#fff}
.nav-links a.is-active:hover{background:var(--c-brand-dark);color:#fff}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-cta{height:44px;padding:0 20px;font-size:14px;display:none}
.nav-burger{
  width:44px;height:44px;border-radius:var(--r-pill);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--c-line);background:var(--c-surface);
  transition:border-color .2s var(--ease);
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}
.nav-burger:hover{border-color:var(--c-brand)}
@media(min-width:768px){
  .nav-burger{display:none}
}
@media(min-width:1024px){
  .nav-links{display:flex}
  .logo-sub{display:block}
  .nav-actions{margin-left:0}
  .nav-cta{display:inline-flex}
  .nav-links{margin-left:auto;margin-right:8px}
}
@media(max-width:1023px){
  .logo-sub{display:none}
}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--c-night);color:#F3F1EA;
  transform:translateY(-102%);
  transition:transform .38s var(--ease);
  display:flex;flex-direction:column;
  padding:28px 24px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-brand{font-size:17px;font-weight:900;color:#fff}
.drawer-brand small{display:block;font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.08em;margin-top:2px}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid rgba(247,245,240,.24);color:#F3F1EA;font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  font-size:22px;font-weight:700;line-height:2.2;color:#EFEDE6;
  border-bottom:1px solid rgba(247,245,240,.08);
}
.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-nav a:hover{color:var(--c-accent)}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.drawer-foot p{font-size:13px;color:var(--c-ink-3);line-height:1.9}
.drawer-mini{display:flex;flex-wrap:wrap;gap:16px}
.drawer-mini a{font-size:13px;color:var(--c-ink-3)}
.drawer-mini a:hover{color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,64,31,.28)}
.btn-outline{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(198,242,78,.45);color:var(--c-accent)}
.btn-ghost:hover{background:rgba(198,242,78,.12);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-brand);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-btn:hover{color:var(--c-brand-dark);border-bottom-color:var(--c-brand-dark)}
.link-btn::after{content:"→";transition:transform .22s var(--ease)}
.link-btn:hover::after{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:80px 0}}
.section-alt{background:var(--c-surface-2)}
.section-dark{background:var(--c-night);color:#EFEDE6}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-brand);margin-bottom:10px;
}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;color:var(--c-ink);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;
  width:6px;height:32px;border-radius:3px;background:var(--c-brand);
}
.section-dark .sec-title{color:#fff}
.sec-desc{margin-top:14px;font-size:16px;line-height:1.9;color:var(--c-ink-2)}
.section-dark .sec-desc{color:#B9C0BC}

/* ---------- Banner ---------- */
.banner{
  position:relative;overflow:hidden;
  background-color:var(--c-night);
  background-image:linear-gradient(100deg,rgba(14,23,20,.95) 0%,rgba(14,23,20,.80) 46%,rgba(14,23,20,.45) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:56px 0 40px;
}
.banner::after{
  content:"";position:absolute;left:0;bottom:0;
  width:190px;height:14px;background:var(--c-accent);
  clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%);
  opacity:.9;
}
.banner-inner{position:relative;z-index:2;max-width:820px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(228,64,31,.16);border:1px solid rgba(228,64,31,.42);
  color:#FFD8CE;font-size:12px;font-weight:700;letter-spacing:.06em;
  margin-bottom:18px;
}
.banner-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.banner h1{
  font-size:clamp(32px,5vw,58px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;color:#fff;
}
.banner h1 em{font-style:normal;color:var(--c-accent)}
.banner-sub{margin-top:18px;font-size:16px;line-height:1.9;color:#C9CFCB;max-width:640px}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px;
  font-size:13px;color:#9EA7A2;
}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-brand)}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.tab-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;
  padding-top:26px;border-top:1px solid rgba(247,245,240,.14);
}
.tab-row a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;
  border:1px solid rgba(247,245,240,.22);color:#DCE1DD;
  transition:all .22s var(--ease);
}
.tab-row a:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}

/* ---------- 图文交替流 ---------- */
.flow{display:flex;flex-direction:column}
.flow-item{
  display:grid;grid-template-columns:1fr;gap:22px;
  padding:34px 0;border-bottom:1px solid var(--c-line);
}
.flow-item:first-child{padding-top:6px}
.flow-item:last-child{border-bottom:0;padding-bottom:0}
.flow-media{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--c-surface-2)}
.flow-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.flow-item:hover .flow-media img{transform:scale(1.04)}
.flow-media::after{
  content:"";position:absolute;left:0;bottom:0;width:88px;height:12px;
  background:var(--c-brand);clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.flow-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(14,23,20,.72);color:var(--c-accent);
  font-size:12px;font-weight:700;backdrop-filter:blur(6px);
}
.flow-time{
  display:flex;align-items:baseline;gap:10px;margin-bottom:10px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.flow-time b{font-size:32px;font-weight:900;color:var(--c-brand);letter-spacing:-.01em;line-height:1}
.flow-time span{font-size:13px;color:var(--c-ink-3);font-family:var(--font-cn)}
.flow-title{font-size:20px;font-weight:700;line-height:1.45;color:var(--c-ink)}
.flow-desc{margin-top:10px;font-size:16px;line-height:1.85;color:var(--c-ink-2)}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:12px;color:var(--c-ink-2);
}
.flow-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;flex-wrap:wrap}
@media(min-width:900px){
  .flow-item{grid-template-columns:7fr 5fr;gap:40px;align-items:center}
  .flow-item:nth-child(even){grid-template-columns:5fr 7fr}
  .flow-item:nth-child(even) .flow-media{order:2}
}

/* ---------- 卖点编号列表 ---------- */
.point-list{display:grid;gap:0;border-top:1px solid var(--c-line)}
.point{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.point-no{
  font-family:var(--font-num);font-size:32px;font-weight:900;line-height:1;
  color:var(--c-brand);min-width:52px;
}
.point h3{font-size:19px;font-weight:700;line-height:1.45;color:var(--c-ink)}
.point p{margin-top:8px;font-size:16px;line-height:1.85;color:var(--c-ink-2)}
@media(min-width:1024px){
  .point-list{border-top:0;grid-template-columns:repeat(3,1fr);gap:0 32px}
  .point{grid-template-columns:1fr;border-bottom:0;border-top:1px solid var(--c-line);padding:26px 0 6px}
}

/* ---------- 三列信息卡 ---------- */
.card-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  background:rgba(228,64,31,.10);color:var(--c-brand-dark);
  font-family:var(--font-num);font-size:18px;font-weight:900;
  margin-bottom:16px;
}
.card h3{font-size:19px;font-weight:700;line-height:1.45;color:var(--c-ink)}
.card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.card .card-foot{margin-top:auto;padding-top:18px}
.card-meta{font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-xl);padding:28px 22px;box-shadow:var(--sh-1);
}
@media(min-width:768px){.stats{grid-template-columns:repeat(4,1fr);padding:32px 28px}}
.stat{text-align:left}
.stat b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(32px,4vw,44px);font-weight:900;line-height:1;color:var(--c-brand);
}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--c-ink-3);letter-spacing:.04em}
.stat em{font-style:normal;font-size:16px;font-weight:700;color:var(--c-brand)}

/* ---------- 引用 / 反馈 ---------- */
.voice-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.voice-grid{grid-template-columns:repeat(3,1fr)}}
.voice{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;position:relative;
}
.voice::before{
  content:"”";position:absolute;top:6px;right:20px;
  font-size:56px;line-height:1;color:rgba(228,64,31,.14);
}
.voice p{font-size:15px;line-height:1.9;color:var(--c-ink-2)}
.voice .voice-who{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#CFC7B8}
.faq-item.is-open{border-color:var(--c-brand);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 20px;text-align:left;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--c-ink);
  position:relative;
}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 3px 3px 0;background:var(--c-brand);
}
.faq-q i{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
  font-style:normal;font-size:16px;color:var(--c-ink-2);
  transition:transform .28s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--c-brand);border-color:var(--c-brand)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a-inner{padding:0 20px 22px;font-size:16px;line-height:1.9;color:var(--c-ink-2)}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- CTA ---------- */
.cta{
  background:var(--c-night);color:#EFEDE6;
  border-radius:var(--r-xl);
  padding:40px 28px;
  display:grid;gap:26px;align-items:center;
}
@media(min-width:900px){.cta{grid-template-columns:1fr auto;padding:48px 44px}}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;color:#fff}
.cta p{margin-top:12px;font-size:15px;line-height:1.9;color:#B9C0BC;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 关联栏目 ---------- */
.rel-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.rel-card .rel-no{
  font-family:var(--font-num);font-size:15px;font-weight:900;color:var(--c-brand);
  letter-spacing:.1em;
}
.rel-card h3{margin-top:12px;font-size:19px;font-weight:700;color:var(--c-ink)}
.rel-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.rel-card .rel-go{margin-top:16px;font-size:14px;font-weight:700;color:var(--c-brand);display:inline-flex;gap:6px;align-items:center}
.rel-card:hover .rel-go::after{transform:translateX(4px)}
.rel-card .rel-go::after{content:"→";transition:transform .22s var(--ease)}

/* ---------- 订阅表单 ---------- */
.sub-wrap{display:grid;gap:28px;align-items:start}
@media(min-width:900px){.sub-wrap{grid-template-columns:5fr 7fr;gap:48px}}
.sub-form{display:flex;flex-wrap:wrap;gap:12px}
.sub-form input{
  flex:1 1 240px;height:48px;padding:0 18px;
  border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface-2);color:var(--c-ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.sub-form input::placeholder{color:var(--c-ink-3)}
.sub-form input:focus{outline:none;border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(228,64,31,.14)}
.sub-form input.is-error{border-color:var(--c-danger);box-shadow:0 0 0 3px rgba(217,48,37,.12)}
.form-msg{margin-top:12px;font-size:13px;color:var(--c-ink-3);min-height:20px}
.form-msg.is-error{color:var(--c-danger)}
.form-msg.is-ok{color:var(--c-ok)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:#D8DDD9;padding:56px 0 28px;margin-top:8px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}}
.f-logo{font-size:18px;font-weight:900;color:#fff;letter-spacing:-.01em}
.f-brand p{margin-top:14px;font-size:14px;line-height:1.9;color:#9EA7A2;max-width:300px}
.f-col h3{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-accent);
  margin-bottom:16px;text-transform:uppercase;
}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a{font-size:14px;color:#C3C9C5}
.f-col a:hover{color:var(--c-accent)}
.f-sub p{font-size:14px;color:#9EA7A2;line-height:1.9;margin-bottom:16px}
.f-form{display:flex;gap:10px;flex-wrap:wrap}
.f-form input{
  flex:1 1 160px;height:44px;padding:0 16px;border-radius:var(--r-md);
  border:1px solid rgba(247,245,240,.18);background:rgba(247,245,240,.07);color:#F3F1EA;
}
.f-form input::placeholder{color:#7E8883}
.f-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(198,242,78,.14)}
.f-form .btn{height:44px;padding:0 20px;font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,245,240,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8A948F;
}

@media(max-width:520px){
  body{padding-top:88px}
  .nav{height:58px;padding:0 8px 0 14px;gap:12px}
  .logo-mark{width:22px;height:22px;flex-basis:22px}
  .logo-main{font-size:16px}
  .nav-burger{width:40px;height:40px}
  .banner{border-radius:0 0 var(--r-lg) var(--r-lg);padding:40px 0 32px}
  .flow-time b{font-size:26px}
  .point-no{font-size:26px;min-width:44px}
  .stats{padding:22px 18px;gap:16px}
}

/* roulang page: category3 */
:root{
  --c-night:#0E1714;
  --c-ink:#121A17;
  --c-ink-2:#4A5551;
  --c-ink-3:#8A948F;
  --c-brand:#E4401F;
  --c-brand-dark:#B32E12;
  --c-accent:#C6F24E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DCD0;
  --c-danger:#D93025;
  --c-ok:#2F8F5B;
  --r-sm:8px; --r-md:12px; --r-lg:18px; --r-xl:28px; --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,23,20,.05);
  --sh-2:0 14px 40px rgba(14,23,20,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
  --ease:cubic-bezier(.4,0,.2,1);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink-2);
  font-family:var(--font-cn);font-size:17px;line-height:1.85;
  font-variant-numeric:tabular-nums;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--c-ink);font-weight:800}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--c-accent);color:var(--c-night)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.nav{
  pointer-events:auto;
  width:min(1200px,100%);height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:linear-gradient(140deg,var(--c-brand) 0 58%,var(--c-night) 58% 100%);
  clip-path:polygon(0 0,100% 0,100% 78%,22% 100%);
  box-shadow:0 0 0 4px rgba(228,64,31,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:17px;font-weight:900;color:var(--c-ink);letter-spacing:.02em}
.logo-sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);transition:all 220ms var(--ease);white-space:nowrap;
}
.nav-links a:hover{background:var(--c-surface);color:var(--c-ink);box-shadow:var(--sh-1)}
.nav-links a.is-active{background:var(--c-brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-burger span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:all 200ms var(--ease)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-night);color:#F3EFE7;
  padding:96px 28px 40px;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;transition:all 320ms var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer a{color:#F3EFE7}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{font-size:22px;line-height:2.2;border-bottom:1px solid rgba(247,245,240,.12)}
.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-close{
  position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(247,245,240,.28);background:transparent;color:#F3EFE7;font-size:20px;cursor:pointer;
}
.drawer .btn{margin-top:28px;justify-content:center}
.drawer-foot{margin-top:auto;font-size:13px;color:rgba(247,245,240,.6)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:all 220ms var(--ease);white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 8px 20px rgba(228,64,31,.24)}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(228,64,31,.3)}
.btn-outline{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(198,242,78,.5);color:var(--c-accent)}
.btn-ghost:hover{background:rgba(198,242,78,.12);border-color:var(--c-accent);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:var(--c-night)}
.btn-accent:hover{background:#d6ff6a;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-sm{padding:56px 0}
.section-alt{background:var(--c-surface-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:18px;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:6px;height:32px;border-radius:3px;background:var(--c-brand)}
.sec-desc{margin-top:10px;padding-left:18px;font-size:16px;color:var(--c-ink-2);max-width:640px}
.kicker{font-size:13px;letter-spacing:.02em;color:var(--c-ink-3)}

/* ---------- 分类 Banner ---------- */
.cat-banner{
  position:relative;overflow:hidden;background:var(--c-surface-2);
  padding:150px 0 56px;border-bottom:1px solid var(--c-line);
}
.cat-banner::before{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  background:linear-gradient(135deg,rgba(228,64,31,.16),rgba(198,242,78,.14));
  clip-path:polygon(28% 0,100% 0,100% 100%,0 84%);
}
.cat-banner::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 14px,transparent 14px 26px);
}
.cat-inner{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px}
.crumb a:hover{color:var(--c-brand)}
.crumb span{color:var(--c-ink-3)}
.cat-name{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(228,64,31,.10);color:var(--c-brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.cat-banner h1{
  font-size:clamp(32px,5vw,54px);line-height:1.15;letter-spacing:-.02em;font-weight:900;
  max-width:900px;
}
.cat-banner h1 em{font-style:normal;color:var(--c-brand)}
.cat-lead{margin-top:16px;font-size:17px;color:var(--c-ink-2);max-width:680px}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.cat-tabs a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:all 220ms var(--ease);
}
.cat-tabs a:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ---------- 回放大卡网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.replay-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.replay-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.replay-media{position:relative;aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden}
.replay-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.replay-card:hover .replay-media img{transform:scale(1.04)}
.replay-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(to top,rgba(14,23,20,.72),transparent);
}
.badge-time{
  position:absolute;left:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
  background:rgba(14,23,20,.68);color:var(--c-accent);border-radius:var(--r-pill);
  font-family:var(--font-num);font-size:15px;letter-spacing:.04em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.play-dot{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:58px;height:58px;border-radius:50%;background:rgba(247,245,240,.9);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);
  transition:all 220ms var(--ease);
}
.play-dot::before{content:"";border-left:14px solid currentColor;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.replay-card:hover .play-dot{background:var(--c-brand);color:#fff;transform:translate(-50%,-50%) scale(1.08)}
.replay-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);font-size:12px;color:var(--c-ink-3);
}
.tag-brand{background:rgba(228,64,31,.10);border-color:transparent;color:var(--c-brand-dark);font-weight:700}
.replay-body h3{font-size:20px;line-height:1.45;font-weight:700}
.replay-body p{font-size:15px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.replay-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line)}
.replay-meta .meta-line{font-size:13px;color:var(--c-ink-3)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);overflow:hidden;
}
.stat{padding:32px 26px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat .v{font-family:var(--font-num);font-size:clamp(34px,4vw,50px);line-height:1;color:var(--c-brand);font-weight:700}
.stat .v small{font-size:16px;margin-left:4px;color:var(--c-ink-3);font-family:var(--font-cn);font-weight:600}
.stat .k{margin-top:12px;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}
.stat .d{margin-top:6px;font-size:14px;color:var(--c-ink-2)}

/* ---------- 三步指南 ---------- */
.guide-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.guide-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-2)}
.guide-figure img{width:100%;height:100%;object-fit:cover}
.guide-figure .fig-note{
  position:absolute;left:18px;bottom:18px;padding:10px 16px;border-radius:var(--r-md);
  background:rgba(14,23,20,.72);color:#F3EFE7;font-size:13px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.steps{border-top:1px solid var(--c-line)}
.step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--c-line);transition:background 220ms var(--ease)}
.step:hover{background:rgba(255,255,255,.7)}
.step .idx{font-family:var(--font-num);font-size:32px;line-height:1;color:var(--c-brand);font-weight:700}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:15px;color:var(--c-ink-2)}

/* ---------- 精选快看（横向封面墙） ---------- */
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:280px;gap:20px;
  overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--c-line) transparent;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:8px}
.rail-card{
  scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;transition:all 220ms var(--ease);
}
.rail-card:hover{border-color:var(--c-brand);transform:translateY(-3px);box-shadow:var(--sh-2)}
.rail-media{position:relative;aspect-ratio:16/9;background:var(--c-surface-2)}
.rail-media img{width:100%;height:100%;object-fit:cover}
.rail-media .dur{
  position:absolute;right:10px;bottom:10px;padding:2px 10px;border-radius:var(--r-pill);
  background:rgba(14,23,20,.7);color:var(--c-accent);font-family:var(--font-num);font-size:14px;
}
.rail-body{padding:16px 18px 18px}
.rail-body h3{font-size:16px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-body .meta-line{font-size:13px;color:var(--c-ink-3)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item[open]{box-shadow:inset 4px 0 0 var(--c-brand);border-color:#d9d1c2}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:16px;
  font-size:17px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;transition:all 220ms var(--ease);
}
.faq-item summary .chev::before,.faq-item summary .chev::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-ink-2);transform:translate(-50%,-50%);
}
.faq-item summary .chev::before{width:10px;height:2px}
.faq-item summary .chev::after{width:2px;height:10px;transition:transform 220ms var(--ease)}
.faq-item[open] summary .chev{background:var(--c-brand);border-color:var(--c-brand)}
.faq-item[open] summary .chev::before{background:#fff}
.faq-item[open] summary .chev::after{transform:translate(-50%,-50%) scaleY(0);background:#fff}
.faq-body{padding:0 24px 22px;font-size:16px;color:var(--c-ink-2)}

/* ---------- 关联栏目 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.link-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;transition:all 220ms var(--ease);
}
.link-card:hover{border-color:var(--c-brand);transform:translateY(-3px);box-shadow:var(--sh-2)}
.link-media{aspect-ratio:16/9;background:var(--c-surface-2)}
.link-media img{width:100%;height:100%;object-fit:cover}
.link-body{padding:20px 22px 22px}
.link-body h3{font-size:18px;margin-bottom:8px}
.link-body p{font-size:15px;color:var(--c-ink-2)}
.link-body .go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--c-brand)}
.link-card:hover .go{gap:10px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--c-night);color:#F3EFE7;overflow:hidden;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.22;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#F3EFE7;font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-inner p{margin-top:10px;color:rgba(243,239,231,.72);font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:rgba(243,239,231,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px}
.f-logo{font-size:19px;font-weight:900;color:#F3EFE7;letter-spacing:.02em;margin-bottom:14px}
.f-brand p{font-size:15px;line-height:1.85;max-width:300px}
.f-col h3{font-size:15px;color:#F3EFE7;margin-bottom:16px;letter-spacing:.02em}
.f-col ul{display:flex;flex-direction:column;gap:10px}
.f-col a{font-size:15px;transition:color 200ms var(--ease)}
.f-col a:hover{color:var(--c-accent)}
.f-sub p{font-size:15px;margin-bottom:14px}
.f-form{display:flex;gap:8px}
.f-form input{
  flex:1;min-width:0;height:40px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(247,245,240,.08);border:1px solid rgba(247,245,240,.22);color:#F3EFE7;
  transition:all 200ms var(--ease);
}
.f-form input::placeholder{color:rgba(243,239,231,.45)}
.f-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(247,245,240,.14)}
.f-msg{margin-top:10px;font-size:13px;min-height:18px}
.f-msg.ok{color:var(--c-accent)}
.f-msg.err{color:#ffb4a4}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,239,231,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .guide-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line)}
  .link-cards{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:16px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .nav{height:60px;padding:0 10px 0 14px}
  .logo-sub{display:none}
  .cat-banner{padding:126px 0 44px}
  .grid-2{grid-template-columns:1fr;gap:20px}
  .link-cards{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .rail{grid-auto-columns:250px}
  .cta-band{padding:48px 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--c-line)}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .replay-body{padding:18px 18px 20px}
  .f-form{flex-direction:column}
  .f-form .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-night:#0E1714;
  --c-ink:#121A17;
  --c-ink-2:#4A5551;
  --c-ink-3:#8A948F;
  --c-brand:#E4401F;
  --c-brand-dark:#B32E12;
  --c-accent:#C6F24E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DCD0;
  --c-danger:#D93025;
  --c-ok:#2F8F5B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,23,20,.05);
  --sh-2:0 14px 40px rgba(14,23,20,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;line-height:1.35}
p{margin:0}
button,input{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .22s cubic-bezier(.4,0,.2,1),color .22s cubic-bezier(.4,0,.2,1),
             border-color .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1),
             box-shadow .22s cubic-bezier(.4,0,.2,1);
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 8px 20px rgba(228,64,31,.22)}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(179,46,18,.26)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-on-dark{background:transparent;border-color:rgba(198,242,78,.55);color:var(--c-accent)}
.btn-on-dark:hover{background:rgba(198,242,78,.12);border-color:var(--c-accent);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:0;border:0;background:none;
  color:var(--c-brand);font-size:15px;font-weight:700;cursor:pointer;transition:gap .2s,color .2s;
}
.btn-text:hover{gap:10px;color:var(--c-brand-dark)}
.btn:active,.btn-text:active{transform:scale(.98)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-brand{background:rgba(228,64,31,.10);color:var(--c-brand-dark)}
.badge-night{background:rgba(14,23,20,.78);color:var(--c-accent)}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-brand);text-transform:uppercase}

/* ===== 导航（悬浮胶囊） ===== */
.nav-shell{
  position:fixed;top:16px;left:0;right:0;z-index:120;display:flex;justify-content:center;
  padding:0 16px;pointer-events:none;
}
.nav{
  pointer-events:auto;width:min(1200px,100%);height:64px;display:flex;align-items:center;gap:20px;
  padding:0 10px 0 18px;border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;border-radius:var(--r-pill);padding:4px 6px}
.logo-mark{
  width:24px;height:24px;flex-shrink:0;border-radius:50%;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-dark));
  clip-path:polygon(0 0,100% 0,100% 78%,78% 100%,0 100%);
  box-shadow:inset 0 0 0 2px rgba(198,242,78,.5);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:17px;font-weight:900;color:var(--c-ink);letter-spacing:-.01em}
.logo-sub{font-size:11px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em}
.nav-links{display:flex;flex:1;justify-content:center;gap:4px}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-2);transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--c-surface);color:var(--c-ink)}
.nav-links a.is-active{background:var(--c-brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-cta{height:44px;padding:0 20px;font-size:14px}
.nav-burger{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);cursor:pointer;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s,opacity .25s}
body.drawer-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.drawer-open .nav-burger span:nth-child(2){opacity:0}
body.drawer-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 移动抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:110;display:none;flex-direction:column;
  padding:104px 24px 32px;background:var(--c-night);overflow-y:auto;
}
body.drawer-open .drawer{display:flex}
.drawer-links li{border-bottom:1px solid rgba(247,245,240,.12)}
.drawer-links a{
  display:block;padding:18px 4px;font-size:22px;font-weight:700;line-height:2.2;
  color:#F2EFE7;transition:color .2s,padding-left .2s;
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--c-accent);padding-left:10px}
.drawer-cta{margin-top:28px;width:100%}
.drawer-foot{display:flex;flex-wrap:wrap;gap:16px;margin-top:auto;padding-top:32px;font-size:13px;color:rgba(247,245,240,.6)}
.drawer-foot a:hover{color:var(--c-accent)}

/* ===== 分类 Banner ===== */
.cat-banner{
  position:relative;overflow:hidden;background:var(--c-surface-2);
  padding:150px 0 56px;border-bottom:1px solid var(--c-line);
}
.cat-banner-bg{
  position:absolute;top:0;right:0;width:62%;height:100%;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.20;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
}
.cat-banner::after{
  content:"";position:absolute;left:0;bottom:-1px;width:100%;height:1px;background:var(--c-line);
}
.cat-banner-inner{position:relative;z-index:2;max-width:840px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:22px}
.crumb a:hover{color:var(--c-brand)}
.crumb span:last-child{color:var(--c-ink)}
.cat-banner h1{
  margin:16px 0 18px;font-size:clamp(30px,4.4vw,48px);font-weight:900;line-height:1.18;letter-spacing:-.02em;
}
.cat-banner h1 em{font-style:normal;color:var(--c-brand)}
.cat-lead{font-size:17px;color:var(--c-ink-2);max-width:620px}
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:rgba(255,255,255,.7);font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s;
}
.pill:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.pill.is-active{background:var(--c-ink);border-color:var(--c-ink);color:#fff}

/* ===== 通用板块 ===== */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--c-surface-2)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;position:relative;padding-top:20px}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:32px;height:6px;border-radius:3px;background:var(--c-brand);
}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-ink-2)}
.section-head-between{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding-left:34px;border-left:2px solid var(--c-line)}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-45px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--c-brand);box-shadow:0 0 0 4px var(--c-bg);
}
.section-alt .tl-item::before{box-shadow:0 0 0 4px var(--c-surface-2)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.tl-time{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--c-ink)}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .22s,border-color .22s,transform .22s;
}
.tl-card:hover{box-shadow:var(--sh-2);border-color:var(--c-brand);transform:translateY(-3px)}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:14px}
.tl-points{display:grid;gap:8px;margin-bottom:18px}
.tl-points li{position:relative;padding-left:18px;font-size:15.5px;color:var(--c-ink-2);line-height:1.75}
.tl-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--c-brand);
}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);padding-top:14px}
.tl-foot .meta{font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}

/* ===== 情报速览列表（分隔线式） ===== */
.intel-list{border-top:1px solid var(--c-line)}
.intel-row{
  display:grid;grid-template-columns:52px 1fr 116px;gap:22px;align-items:center;
  padding:24px 12px;border-bottom:1px solid var(--c-line);transition:background .2s;
}
.intel-row:hover{background:var(--c-surface-2)}
.intel-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--c-brand)}
.intel-main h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:6px}
.intel-main p{font-size:15.5px;color:var(--c-ink-2);line-height:1.75}
.intel-time{font-size:13px;color:var(--c-ink-3);text-align:right;letter-spacing:.02em}

/* ===== 数据条 ===== */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;margin-top:44px;box-shadow:var(--sh-1);
}
.stat-cell{padding:26px 24px;border-right:1px solid var(--c-line)}
.stat-cell:last-child{border-right:0}
.stat-value{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:36px;font-weight:700;color:var(--c-brand);line-height:1.1}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:8px;letter-spacing:.02em}

/* ===== 订阅区 ===== */
.sub-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.sub-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.32;position:relative;padding-top:20px}
.sub-copy h2::before{content:"";position:absolute;top:0;left:0;width:32px;height:6px;border-radius:3px;background:var(--c-brand)}
.sub-copy p{margin-top:14px;font-size:16px;color:var(--c-ink-2)}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 260px;height:48px;padding:0 18px;border:1px solid transparent;border-radius:var(--r-md);
  background:var(--c-surface-2);color:var(--c-ink);font-size:15px;transition:border-color .2s,background .2s;
}
.sub-form input::placeholder{color:var(--c-ink-3)}
.sub-form input:focus{outline:none;border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 2px rgba(228,64,31,.14)}
.sub-form.is-error input{border-color:var(--c-danger);box-shadow:0 0 0 2px rgba(217,48,37,.12)}
.sub-msg{margin-top:12px;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em}
.sub-msg.is-ok{color:var(--c-ok)}
.sub-msg.is-error{color:var(--c-danger)}

/* ===== FAQ ===== */
.faq{display:grid;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid transparent;
  border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-left-color:var(--c-brand);box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--c-ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--c-line);color:var(--c-brand);font-size:16px;font-weight:700;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] summary::after{content:"−";background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;max-width:900px}

/* ===== 关联栏目卡 ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.4,0,.2,1),box-shadow .22s,border-color .22s;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.rel-media{position:relative;aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-media.is-empty{
  background-image:linear-gradient(135deg,rgba(228,64,31,.10),rgba(198,242,78,.18));
  border-bottom:1px dashed var(--c-line);
}
.rel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px;font-weight:700;line-height:1.45}
.rel-body p{font-size:15px;color:var(--c-ink-2);line-height:1.75}
.rel-body .btn-text{margin-top:auto}

/* ===== 结尾 CTA ===== */
.cta-band{
  background:var(--c-night);border-radius:var(--r-xl);padding:44px;color:#EFEBE2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(247,245,240,.72);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-night);color:#E8E4DA;margin-top:88px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 2fr;gap:40px}
.f-logo{font-size:19px;font-weight:900;color:#fff;letter-spacing:-.01em;margin-bottom:14px}
.f-brand p{font-size:14.5px;color:rgba(247,245,240,.7);line-height:1.8;max-width:300px}
.f-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.f-col ul{display:grid;gap:10px}
.f-col a{font-size:14.5px;color:rgba(247,245,240,.72);transition:color .2s,padding-left .2s}
.f-col a:hover{color:var(--c-accent);padding-left:4px}
.f-sub p{font-size:14px;color:rgba(247,245,240,.7);margin-bottom:14px}
.f-form{display:flex;gap:10px;flex-wrap:wrap}
.f-form input{
  flex:1 1 180px;height:44px;padding:0 16px;border:1px solid rgba(247,245,240,.18);border-radius:var(--r-md);
  background:rgba(247,245,240,.06);color:#fff;font-size:14px;transition:border-color .2s;
}
.f-form input::placeholder{color:rgba(247,245,240,.45)}
.f-form input:focus{outline:none;border-color:var(--c-accent)}
.f-form.is-error input{border-color:var(--c-danger)}
.form-note{margin-top:10px;font-size:12.5px;color:rgba(247,245,240,.55)}
.form-note.is-ok{color:var(--c-accent)}
.form-note.is-error{color:#F09A8E}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  font-size:13px;color:rgba(247,245,240,.55);letter-spacing:.02em;
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sub-wrap{grid-template-columns:1fr;gap:28px}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--c-line)}
  .cat-banner-bg{width:100%;opacity:.14}
}
@media (max-width:899px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .nav{justify-content:space-between;padding:0 10px 0 14px}
}
@media (max-width:767px){
  .logo-sub{display:none}
  .cat-banner{padding:132px 0 44px}
  .intel-row{grid-template-columns:44px 1fr;gap:16px;align-items:start}
  .intel-time{grid-column:2;text-align:left}
  .tl-card{padding:20px}
  .timeline{padding-left:26px}
  .tl-item::before{left:-36px;width:12px;height:12px;top:9px}
  .cta-band{padding:32px 24px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .f-brand,.f-sub{grid-column:1 / -1}
  .site-footer{margin-top:64px;padding:48px 0 24px}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--c-line)}
  .stat-cell:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .tl-time{font-size:22px}
  .sub-form input{flex:1 1 100%}
  .sub-form .btn{width:100%}
}