/* roulang page: index */
:root{
  --ink-900:#0B0C0F;
  --ink-800:#16181D;
  --ink-700:#24272E;
  --ink-500:#5B606B;
  --ink-400:#8A8F9A;
  --line:#E6E2DA;
  --bg:#F5F3EE;
  --paper:#FFFFFF;
  --brand-500:#E23A1C;
  --brand-600:#C62F14;
  --brand-400:#FF6A3D;
  --accent-500:#12B8C9;
  --accent-400:#4FE3E0;
  --success:#12855F;
  --warn:#D98A16;
  --danger:#C0392B;
  --info:#12B8C9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-2:0 6px 20px rgba(11,12,15,.08);
  --sh-3:0 18px 48px rgba(11,12,15,.14);
  --ease:cubic-bezier(.22,.7,.28,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","Arial Narrow",var(--font-sans);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:900;line-height:1.15;letter-spacing:-.03em;color:var(--ink-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--line);
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);}
.section-tag{
  display:inline-block;margin-bottom:10px;font-family:var(--font-num);
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-500);
}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px;}

/* ---------- Buttons ---------- */
.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;
  transition:transform .16s var(--ease),background-color .16s var(--ease),box-shadow .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 8px 20px rgba(226,58,28,.24);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(226,58,28,.3);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-dark{background:var(--ink-900);color:#fff;}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{background:var(--paper);color:var(--ink-900);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--ink-900);transform:translateY(-2px);}
.btn:disabled{opacity:.4;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-500);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--brand-500);}
.link-more span{transition:transform .16s var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;background:rgba(226,58,28,.12);color:var(--brand-600);
  white-space:nowrap;
}
.badge-accent{background:rgba(18,184,201,.14);color:#0E7C88;}
.badge-success{background:rgba(18,133,95,.14);color:var(--success);}
.badge-warn{background:rgba(217,138,22,.16);color:#9A6209;}
.badge-muted{background:rgba(11,12,15,.07);color:var(--ink-500);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-compact{box-shadow:0 6px 24px rgba(11,12,15,.06);}
.header-main{display:flex;align-items:center;height:72px;transition:height .24s var(--ease);}
.site-header.is-compact .header-main{height:56px;}
.header-main-inner{display:flex;align-items:center;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;flex-shrink:0;}
.site-header.is-compact .brand-mark{width:28px;height:28px;}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap;}
.site-header.is-compact .brand-text{font-size:16px;}
.nav-search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:340px;height:40px;
  padding:0 6px 0 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper);transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(226,58,28,.12);}
.nav-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px;}
.nav-search input::placeholder{color:var(--ink-400);}
.nav-search button{
  display:grid;place-items:center;width:32px;height:32px;border-radius:50%;
  background:var(--ink-900);color:#fff;transition:background-color .16s var(--ease);
}
.nav-search button:hover{background:var(--brand-500);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--paper);place-items:center;
}
.nav-toggle:hover{border-color:var(--ink-900);}
.header-sub{border-top:1px solid rgba(11,12,15,.06);height:44px;overflow:hidden;transition:height .24s var(--ease),opacity .2s var(--ease);}
.site-header.is-compact .header-sub{height:0;opacity:0;border-top-color:transparent;}
.header-sub-inner{display:flex;align-items:center;gap:28px;height:44px;}
.channel-nav{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:14px;font-weight:600;color:var(--ink-500);
}
.channel-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.channel-nav a:hover{color:var(--ink-900);}
.channel-nav a:hover::after{transform:scaleX(1);}
.channel-nav a.is-active{color:var(--ink-900);font-weight:900;}
.channel-nav a.is-active::after{transform:scaleX(1);}
.hot-words{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 0;margin-left:auto;}
.hot-words::-webkit-scrollbar{display:none;}
.hot-words span{font-size:12px;color:var(--ink-400);white-space:nowrap;}
.hot-words a{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(11,12,15,.05);font-size:12px;color:var(--ink-500);white-space:nowrap;
  transition:background-color .16s var(--ease),color .16s var(--ease);
}
.hot-words a:hover{background:rgba(226,58,28,.12);color:var(--brand-600);}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(11,12,15,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:80;width:280px;max-width:86vw;height:100%;
  padding:24px 20px calc(24px + env(safe-area-inset-bottom));
  background:var(--paper);box-shadow:var(--sh-3);overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:15px;}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:var(--r-sm);display:grid;place-items:center;}
.drawer-close:hover{border-color:var(--ink-900);}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:24px;}
.drawer-nav a{
  padding:13px 4px;font-size:15px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand-500);}
.drawer-nav a.is-active{color:var(--brand-500);font-weight:900;}
.drawer-words{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-words a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(11,12,15,.05);font-size:13px;color:var(--ink-500);
}
.drawer-words a:hover{background:rgba(226,58,28,.12);color:var(--brand-600);}

/* ---------- Hero ---------- */
.hero{
  position:relative;display:flex;align-items:center;overflow:hidden;
  min-height:620px;color:#fff;background:var(--ink-900);
}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.72;}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,12,15,.86) 0%,rgba(11,12,15,.5) 48%,rgba(11,12,15,.9) 100%);
}
.hero-bg::after{
  content:"";position:absolute;top:0;bottom:0;left:-30%;z-index:1;width:30%;
  background:linear-gradient(90deg,rgba(79,227,224,0),rgba(79,227,224,.1),rgba(79,227,224,0));
  animation:sheen 12s linear infinite;
}
@keyframes sheen{0%{left:-30%;}100%{left:110%;}}
.hero-inner{position:relative;z-index:2;width:100%;padding:112px 0 56px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);font-size:12px;letter-spacing:.16em;color:var(--accent-400);
}
.hero h1{
  margin:22px 0 18px;max-width:920px;color:#fff;
  font-size:clamp(32px,4.4vw,64px);letter-spacing:-.035em;
}
.hero-sub{max-width:700px;font-size:clamp(15px,1.3vw,18px);line-height:1.7;color:rgba(255,255,255,.72);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.kpi-row{
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;
  border-top:1px solid rgba(255,255,255,.18);
}
.kpi-row li{padding:24px 20px 0;border-left:1px solid rgba(255,255,255,.18);}
.kpi-row li:first-child{border-left:0;padding-left:0;}
.kpi-num{
  display:block;font-family:var(--font-num);font-size:38px;line-height:1;font-weight:700;
  font-variant-numeric:tabular-nums;color:#fff;letter-spacing:.01em;
}
.kpi-num small{font-size:18px;margin-left:2px;color:var(--accent-400);}
.kpi-label{display:block;margin-top:10px;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- Capability ---------- */
.capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;}
.cap-item{
  display:grid;grid-template-columns:96px 1fr;gap:20px;
  padding:36px 0;border-bottom:1px solid var(--line);
}
.cap-item:nth-child(2n){transform:translateY(28px);}
.cap-num{
  font-family:var(--font-num);font-size:56px;line-height:.9;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--ink-400);font-variant-numeric:tabular-nums;
}
.cap-item h3{font-size:20px;margin-bottom:10px;}
.cap-item p{font-size:14.5px;color:var(--ink-500);max-width:460px;}
.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.cap-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(18,184,201,.12);color:#0E7C88;font-size:12px;font-weight:600;
}

/* ---------- Reward ---------- */
.reward-section{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;margin-bottom:28px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);font-size:13px;font-weight:600;color:var(--ink-500);
  white-space:nowrap;transition:all .16s var(--ease);
}
.chip:hover{border-color:var(--ink-900);color:var(--ink-900);}
.chip[aria-pressed="true"]{background:var(--ink-900);border-color:var(--ink-900);color:#fff;}
.reward-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 28px;scrollbar-width:thin;
}
.reward-track::-webkit-scrollbar{height:6px;}
.reward-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-pill);}
.reward-card{
  flex:0 0 280px;scroll-snap-align:start;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),opacity .24s var(--ease);
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.reward-card.is-hidden{display:none;}
.reward-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--ink-900);}
.reward-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.reward-card:hover .reward-cover img{transform:scale(1.04);}
.reward-cover .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--brand-600);}
.reward-body{padding:18px 20px 22px;}
.reward-body h3{font-size:17px;margin-bottom:12px;}
.reward-points{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.reward-points li{position:relative;padding-left:16px;font-size:13px;color:var(--ink-500);line-height:1.6;}
.reward-points li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent-500);
}
.reward-progress-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.reward-progress-row span{font-size:12px;color:var(--ink-400);font-family:var(--font-num);letter-spacing:.06em;}
.bar{height:6px;border-radius:var(--r-pill);background:var(--line);overflow:hidden;}
.bar-fill{
  display:block;height:100%;width:0;border-radius:inherit;
  background:linear-gradient(120deg,var(--brand-500),var(--brand-400));
  transition:width .8s var(--ease);
}
.is-in .bar-fill{width:var(--w,0%);}

/* ---------- Task ---------- */
.task-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.task-table{border-top:1px solid var(--line);margin-bottom:32px;}
.task-row{
  display:grid;grid-template-columns:minmax(180px,1.6fr) minmax(90px,1fr) minmax(160px,2fr) 110px;
  align-items:center;gap:24px;min-height:64px;padding:10px 18px;
  border-bottom:1px solid var(--line);font-size:14px;
}
.task-row:first-child{
  min-height:44px;font-size:12px;letter-spacing:.1em;color:var(--ink-400);font-family:var(--font-num);
  text-transform:uppercase;background:transparent;
}
.task-row:nth-child(odd):not(:first-child){background:rgba(255,255,255,.62);}
.task-name{font-weight:700;color:var(--ink-900);}
.task-goal{font-family:var(--font-num);font-size:15px;color:var(--ink-500);font-variant-numeric:tabular-nums;}
.task-state{justify-self:end;}
.task-actions{display:flex;justify-content:flex-end;}

/* ---------- News ---------- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-item{
  display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink-900);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{position:relative;display:flex;flex-direction:column;flex:1;padding:20px 22px 22px;}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.news-meta time{font-size:12px;color:var(--ink-400);font-family:var(--font-num);letter-spacing:.05em;}
.news-title{font-size:17px;line-height:1.35;margin-bottom:10px;}
.news-title a:hover{color:var(--brand-500);}
.news-sum{
  font-size:14px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  margin-top:auto;padding-top:16px;font-size:15px;color:var(--brand-500);
  transition:transform .16s var(--ease);
}
.news-item:hover .news-arrow{transform:translateX(4px);}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:200px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--paper);
  color:var(--ink-500);font-size:14px;
}

/* ---------- Highlights / Evidence ---------- */
.highlight-section{background:var(--ink-900);color:#fff;}
.highlight-section h2{color:#fff;}
.highlight-section .section-tag{color:var(--accent-400);}
.highlight-section .section-head{border-bottom-color:rgba(255,255,255,.14);}
.highlight-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.schedule-list{border-top:1px solid rgba(255,255,255,.14);}
.schedule-item{
  display:grid;grid-template-columns:104px 1fr auto;gap:20px;align-items:center;
  padding:20px 4px;border-bottom:1px solid rgba(255,255,255,.14);
}
.schedule-item time{font-family:var(--font-num);font-size:15px;color:var(--accent-400);letter-spacing:.04em;}
.schedule-item strong{display:block;font-size:15px;color:#fff;font-weight:700;}
.schedule-item em{display:block;font-style:normal;font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;}
.schedule-item .badge{background:rgba(255,255,255,.1);color:var(--accent-400);}
.quote-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);padding:26px 24px;margin-bottom:20px;
}
.quote-card p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);}
.quote-card footer{margin-top:16px;font-size:13px;color:rgba(255,255,255,.5);}
.quote-stat{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.quote-stat li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:18px 20px;
}
.quote-stat b{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.quote-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;display:flex;align-items:center;min-height:56px;padding:14px 48px 14px 0;
  font-size:16px;font-weight:700;color:var(--ink-900);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand-500);transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item summary:hover{color:var(--brand-500);}
.faq-answer{padding:0 48px 20px 0;font-size:15px;line-height:1.8;color:var(--ink-500);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-900);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,32px);margin-bottom:12px;}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.62);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.66);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:900;letter-spacing:-.02em;}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);max-width:320px;}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.42);
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul a:hover{color:#fff;}
.footer-sub-form{display:flex;gap:10px;margin-bottom:14px;}
.footer-sub-form input{
  flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.38);}
.footer-sub-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(226,58,28,.22);}
.footer-sub-form input.is-error{border-color:var(--danger);}
.footer-sub-form button{
  height:44px;padding:0 20px;border-radius:var(--r-sm);background:var(--brand-500);
  color:#fff;font-size:14px;font-weight:700;transition:background-color .16s var(--ease);
}
.footer-sub-form button:hover{background:var(--brand-600);}
.footer-form-msg{font-size:12.5px;color:var(--accent-400);min-height:20px;}
.footer-form-msg.is-error{color:#FF8A72;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.44);
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .news-list{grid-template-columns:repeat(2,1fr);}
  .highlight-grid{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .capability-list{gap:0 36px;}
  .cap-item{grid-template-columns:76px 1fr;gap:16px;}
  .cap-num{font-size:46px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:grid;}
  .header-sub{display:none;}
  .site-header.is-compact .header-main{height:56px;}
  .hero{min-height:480px;}
  .hero-inner{padding:72px 0 40px;}
  .hero h1{margin:18px 0 14px;}
  .kpi-row{grid-template-columns:repeat(2,1fr);margin-top:44px;}
  .kpi-row li{padding:18px 16px 0;}
  .kpi-row li:nth-child(odd){border-left:0;padding-left:0;}
  .kpi-row li:nth-child(n+3){margin-top:16px;}
  .kpi-num{font-size:30px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .capability-list{grid-template-columns:1fr;gap:0;}
  .cap-item:nth-child(2n){transform:none;}
  .task-row{grid-template-columns:1fr;gap:8px;padding:16px 14px;}
  .task-row:first-child{display:none;}
  .task-state{justify-self:start;}
  .task-actions{justify-content:flex-start;}
  .news-list{grid-template-columns:1fr;}
  .schedule-item{grid-template-columns:1fr auto;gap:10px;}
  .schedule-item time{grid-column:1/2;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-sub-form{flex-wrap:wrap;}
  .footer-sub-form input{flex:1 1 100%;}
  .footer-sub-form button{width:100%;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .brand-text{font-size:15px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn{width:100%;}
  .reward-card{flex:0 0 82vw;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .news-body{padding:16px 18px 20px;}
  .quote-stat{grid-template-columns:1fr;}
  .faq-item summary{font-size:15px;padding-right:40px;}
  .faq-answer{padding-right:0;}
}
@media (max-width:400px){
  .container{padding:0 14px;}
  .kpi-num{font-size:26px;}
  .cap-num{font-size:38px;}
}

/* roulang page: article */
:root{
  --ink-900:#0B0C0F;--ink-800:#16181D;--ink-700:#24272E;--ink-500:#5B606B;--ink-400:#8A8F9A;
  --line:#E6E2DA;--bg:#F5F3EE;--paper:#FFFFFF;
  --brand-500:#E23A1C;--brand-600:#C62F14;--brand-400:#FF6A3D;
  --accent-500:#12B8C9;--accent-400:#4FE3E0;
  --ok:#12855F;--warn:#D98A16;--danger:#C0392B;--info:#12B8C9;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-3:0 18px 48px rgba(11,12,15,.14);
  --ease:cubic-bezier(.22,.7,.28,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","DIN Alternate","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.8;color:var(--ink-700);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.03em;line-height:1.15;color:var(--ink-900)}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
::selection{background:rgba(226,58,28,.18)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:80;background:transparent;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand-500),var(--brand-400));transition:width .12s linear}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,243,238,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background .24s var(--ease)}
.site-header.is-compact{background:rgba(245,243,238,.96);box-shadow:0 6px 20px rgba(11,12,15,.06)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .24s var(--ease)}
.site-header.is-compact .topbar-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 30px}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap}
.search{position:relative;flex:1 1 auto;max-width:360px}
.search input{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--paper);padding:0 48px 0 18px;font-size:14px;transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.search input::placeholder{color:var(--ink-400)}
.search input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.12)}
.search button{position:absolute;right:5px;top:5px;width:34px;height:34px;border:0;border-radius:50%;background:var(--ink-900);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .16s var(--ease)}
.search button:hover{background:var(--brand-500)}
.hot-words{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hot-words::-webkit-scrollbar{display:none}
.hot-words a{flex:0 0 auto;font-size:12px;line-height:1;padding:7px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-500);background:rgba(255,255,255,.6);transition:all .16s var(--ease);white-space:nowrap}
.hot-words a:hover{color:var(--brand-600);border-color:rgba(226,58,28,.4);background:rgba(226,58,28,.06)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);cursor:pointer;place-items:center;flex:0 0 auto}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle:active{transform:translateY(1px)}
.channel-bar{border-top:1px solid var(--line)}
.channel-nav{display:flex;align-items:center;gap:26px;height:44px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{position:relative;font-size:14px;color:var(--ink-500);white-space:nowrap;line-height:44px;transition:color .16s var(--ease)}
.channel-nav a:hover{color:var(--ink-900)}
.channel-nav a.is-active{color:var(--ink-900);font-weight:700}
.channel-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-500)}
.drawer{position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:var(--paper);border-left:1px solid var(--line);box-shadow:var(--sh-3);transform:translateX(100%);transition:transform .28s var(--ease);z-index:90;padding:22px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--ink-400);margin-bottom:14px}
.drawer a.drawer-link{display:block;padding:12px 0;font-size:15px;color:var(--ink-800);border-bottom:1px solid var(--line)}
.drawer a.drawer-link:hover{color:var(--brand-600)}
.drawer .search{margin-top:20px;max-width:none}
body.drawer-open{overflow:hidden}

/* ============ 正文布局 ============ */
main{padding:32px 0 96px}
.breadcrumb{margin-bottom:26px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;font-size:13px;color:var(--ink-400)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-400)}
.breadcrumb a{color:var(--ink-500);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb [aria-current]{color:var(--ink-400);cursor:default}
.article-head{border-top:1px solid var(--line);padding-top:28px;max-width:860px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--brand-600);margin-bottom:16px}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-500)}
.article-head h1{font-size:clamp(26px,3.4vw,42px);line-height:1.22;margin-bottom:20px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-400);padding-bottom:26px}
.meta-row .badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:rgba(226,58,28,.1);color:var(--brand-600);font-size:12px;font-weight:700}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-row time{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.article-cover{margin:0 0 40px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--ink-800)}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.article-wrap{display:grid;grid-template-columns:minmax(0,720px) 220px;gap:56px;justify-content:center;align-items:start}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;padding-left:16px;margin:2em 0 .8em;font-size:26px;line-height:1.35}
.article-body h2::before{content:"";position:absolute;left:0;top:.26em;width:4px;height:1em;border-radius:2px;background:var(--brand-500)}
.article-body h3{margin:1.7em 0 .6em;font-size:20px;color:var(--ink-800);font-weight:800}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;color:var(--ink-500);font-weight:800}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body li{margin:.35em 0}
.article-body li::marker{color:var(--brand-500);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:6px 0 6px 18px;border-left:3px solid var(--brand-500);color:var(--ink-500);font-size:16px}
.article-body img{border-radius:var(--r-md);margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-400)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top}
.article-body th{color:var(--ink-900);font-weight:700;white-space:nowrap}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(226,58,28,.35);transition:border-color .16s var(--ease)}
.article-body a:hover{border-bottom-color:var(--brand-600)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.empty-state{padding:56px 28px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--paper)}
.empty-title{font-size:20px;font-weight:900;color:var(--ink-900);margin-bottom:10px}
.empty-desc{font-size:15px;color:var(--ink-500);margin-bottom:22px}

/* 目录 */
.toc{position:sticky;top:140px;border-left:1px solid var(--line);padding-left:20px}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--ink-400);margin-bottom:14px}
.toc-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px}
.toc-link{display:block;font-size:13px;line-height:1.5;padding:7px 0 7px 12px;color:var(--ink-500);border-left:2px solid transparent;margin-left:-22px;transition:all .16s var(--ease)}
.toc-link:hover{color:var(--ink-900)}
.toc-link.is-current{color:var(--brand-600);font-weight:700;border-left-color:var(--brand-500)}

/* 标签与翻页 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-cloud a{font-size:13px;padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-500);background:var(--paper);transition:all .16s var(--ease)}
.tag-cloud a:hover{color:var(--brand-600);border-color:rgba(226,58,28,.42);transform:translateY(-2px);box-shadow:var(--sh-1)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.post-nav-item{display:block;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);transition:all .24s var(--ease)}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(226,58,28,.35)}
.post-nav-label{display:block;font-size:12px;letter-spacing:.12em;color:var(--ink-400);margin-bottom:8px}
.post-nav-title{display:block;font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.45}
.post-nav-item.is-next{text-align:right}

/* 相关推荐 */
.related{margin-top:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-sub{margin-top:8px;font-size:14px;color:var(--ink-500)}
.more-link{font-size:14px;color:var(--brand-600);font-weight:700;white-space:nowrap;transition:transform .16s var(--ease)}
.more-link:hover{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(226,58,28,.32)}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-800)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card .badge{align-self:flex-start;font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);background:rgba(226,58,28,.1);color:var(--brand-600)}
.news-card h3{font-size:17px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.7;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.news-card .arrow{transition:transform .16s var(--ease);color:var(--brand-500);font-family:var(--font-sans)}
.news-card:hover .arrow{transform:translateX(4px)}

/* ============ 页脚 ============ */
.site-footer{margin-top:0;background:var(--ink-900);color:#9AA0AB;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:52px}
.footer-logo{display:inline-block;font-size:18px;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:#8A8F9A;max-width:340px}
.footer-col h3{font-size:13px;letter-spacing:.14em;color:#6E7480;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:#B4B9C2;transition:color .16s var(--ease)}
.footer-col ul a:hover{color:#fff}
.field{display:flex;gap:8px;margin-top:4px}
.field input{flex:1;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.field input::placeholder{color:#6E7480}
.field input:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(226,58,28,.22)}
.field button{height:44px;padding:0 20px;border:0;border-radius:var(--r-sm);background:var(--brand-500);color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:background .16s var(--ease),transform .16s var(--ease)}
.field button:hover{background:var(--brand-600)}
.field button:active{transform:translateY(1px)}
.form-tip{margin-top:10px;font-size:12px;color:#6E7480}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#6E7480}
.footer-bottom a{color:#8A8F9A}
.footer-bottom a:hover{color:#fff}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .16s var(--ease);text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 10px 24px rgba(226,58,28,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line);background:var(--paper);color:var(--ink-800)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
.btn:disabled{opacity:.4;pointer-events:none}

@media (max-width:1199px){
  .article-wrap{grid-template-columns:minmax(0,720px);justify-content:center}
  .toc{display:none}
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .search,.hot-words{display:none}
  .menu-toggle{display:grid;margin-left:auto}
  .brand-text{font-size:16px}
  main{padding:24px 0 64px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.is-next{text-align:left}
  .related{margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:560px){
  .card-grid{grid-template-columns:1fr}
  .article-head h1{font-size:24px}
  .meta-row{gap:10px}
  .empty-state{padding:40px 18px}
  .btn{width:100%}
  .field{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0C0F;--ink-800:#16181D;--ink-700:#24272E;--ink-500:#5B606B;--ink-400:#8A8F9A;
  --line:#E6E2DA;--bg:#F5F3EE;--paper:#FFFFFF;
  --brand-500:#E23A1C;--brand-600:#C62F14;--brand-400:#FF6A3D;
  --accent-500:#12B8C9;--accent-400:#4FE3E0;
  --success:#12855F;--warn:#D98A16;--danger:#C0392B;--info:#12B8C9;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-2:0 8px 24px rgba(11,12,15,.08);
  --sh-3:0 18px 48px rgba(11,12,15,.14);
  --ease:cubic-bezier(.22,.7,.28,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.9;background:var(--bg);color:var(--ink-800);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.03em;line-height:1.15;color:var(--ink-900)}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:transform 160ms var(--ease),background-color 160ms var(--ease),box-shadow 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease)}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 8px 20px rgba(226,58,28,.24)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 12px 26px rgba(226,58,28,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-line{background:var(--paper);color:var(--ink-900);border-color:var(--line)}
.btn-line:hover{border-color:var(--ink-900);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- 吸顶导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,243,238,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow 240ms var(--ease)}
.site-header.is-compact{box-shadow:0 6px 24px rgba(11,12,15,.07)}
.brand-row{height:72px;transition:height 240ms var(--ease)}
.site-header.is-compact .brand-row{height:56px}
.brand-inner{display:flex;align-items:center;gap:20px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap}
.logo svg{width:26px;height:26px;flex:none}
.logo small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--ink-400);line-height:1}
.search-form{position:relative;flex:1;max-width:400px;margin-left:auto}
.search-form input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);padding:0 92px 0 18px;font-size:14px;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease)}
.search-form input::placeholder{color:var(--ink-400)}
.search-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.12);outline:none}
.search-form button{position:absolute;right:4px;top:4px;height:36px;padding:0 16px;border:none;border-radius:var(--r-pill);background:var(--ink-900);color:#fff;font-size:13px;font-weight:700;cursor:pointer;transition:background-color 160ms var(--ease)}
.search-form button:hover{background:var(--brand-500)}
.hotwords{display:flex;align-items:center;gap:8px}
.hotwords span{font-size:12px;color:var(--ink-400);letter-spacing:.08em}
.hotwords a{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);font-size:12.5px;color:var(--ink-500);transition:color 160ms var(--ease),border-color 160ms var(--ease),background-color 160ms var(--ease)}
.hotwords a:hover{color:var(--brand-600);border-color:var(--brand-400);background:rgba(226,58,28,.06)}
.nav-toggle{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channel-row{border-top:1px solid var(--line)}
.channel-nav{display:flex;align-items:center;gap:30px;height:44px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{position:relative;font-size:15px;color:var(--ink-500);line-height:44px;white-space:nowrap;transition:color 160ms var(--ease)}
.channel-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease)}
.channel-nav a:hover{color:var(--ink-900)}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.is-active{color:var(--ink-900);font-weight:700}
.channel-nav a.is-active::after{transform:scaleX(1)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,12,15,.5);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;width:290px;max-width:86vw;height:100%;background:var(--paper);z-index:90;padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform 280ms var(--ease);box-shadow:-12px 0 40px rgba(11,12,15,.18)}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-title{font-size:13px;letter-spacing:.16em;color:var(--ink-400);margin:20px 0 10px}
.nav-drawer a.drawer-link{display:block;padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-700);border:1px solid transparent}
.nav-drawer a.drawer-link:hover{background:var(--bg)}
.nav-drawer a.drawer-link.is-active{color:var(--brand-600);background:rgba(226,58,28,.08);border-color:rgba(226,58,28,.2);font-weight:700}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);cursor:pointer;font-size:18px;line-height:1;color:var(--ink-500)}

/* ---------- 页头 ---------- */
.page-head{position:relative;background:var(--ink-900);color:#fff;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.42}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,15,.7) 0%,rgba(11,12,15,.88) 100%)}
.page-head .container{position:relative;z-index:2;padding-top:44px;padding-bottom:56px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400)}
.breadcrumb a{color:rgba(255,255,255,.66)}
.breadcrumb a:hover{color:#fff}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.28)}
.breadcrumb li[aria-current] span{color:var(--ink-400)}
.page-kicker{display:inline-flex;align-items:center;gap:8px;margin-top:26px;height:28px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);font-size:12.5px;letter-spacing:.1em;color:var(--accent-400)}
.page-title{font-size:clamp(30px,4vw,48px);color:#fff;margin:18px 0 16px;max-width:820px}
.page-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.74);max-width:660px}
.head-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.head-stats .stat{padding:0 40px;border-left:1px solid rgba(255,255,255,.14)}
.head-stats .stat:first-child{padding-left:0;border-left:0}
.head-stats .stat b{display:block;font-family:var(--font-num);font-size:36px;line-height:1.1;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums}
.head-stats .stat span{font-size:13px;color:var(--ink-400)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.sec-head h2{font-size:clamp(24px,2.6vw,34px)}
.sec-head p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px}

/* ---------- 主体两栏 ---------- */
.list-layout{display:grid;grid-template-columns:258px 1fr;gap:48px;align-items:start}
.side-rail{position:sticky;top:134px;display:flex;flex-direction:column;gap:20px}
.rail-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1)}
.rail-card h2{font-size:13px;letter-spacing:.14em;color:var(--ink-400);font-weight:700;margin-bottom:10px}
.rail-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink-500);transition:background-color 160ms var(--ease),color 160ms var(--ease)}
.rail-nav a em{font-family:var(--font-num);font-size:14px;font-style:normal;color:var(--ink-400)}
.rail-nav a:hover{background:var(--bg);color:var(--ink-900)}
.rail-nav a.is-active{background:rgba(226,58,28,.08);color:var(--brand-600);font-weight:700}
.rail-nav a.is-active em{color:var(--brand-500)}
.rail-note{font-size:13.5px;color:var(--ink-500);line-height:1.75}
.rail-note b{display:block;font-size:15px;color:var(--ink-900);margin-bottom:6px}
.rail-card .btn{width:100%;margin-top:14px}

/* ---------- 图文混合列表 ---------- */
.feed{display:flex;flex-direction:column}
.feed-item{display:grid;grid-template-columns:40% 1fr;gap:26px;padding:30px 0;border-top:1px solid var(--line);transition:transform 240ms var(--ease)}
.feed-item:first-child{border-top:0;padding-top:0}
.feed-item:hover{transform:translateY(-2px)}
.feed-thumb{position:relative;aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--line)}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.feed-item:hover .feed-thumb img{transform:scale(1.04)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(226,58,28,.1);color:var(--brand-600);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge--cyan{background:rgba(18,184,201,.12);color:#0E8C99}
.badge--ink{background:rgba(11,12,15,.06);color:var(--ink-500)}
.feed-body{display:flex;flex-direction:column;gap:12px}
.feed-body h3{font-size:20px;line-height:1.35;transition:color 160ms var(--ease)}
.feed-item:hover .feed-body h3{color:var(--brand-600)}
.feed-body p{font-size:14.5px;line-height:1.85;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--ink-400)}
.feed-meta time{font-family:var(--font-num);font-size:14.5px;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.feed-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-400)}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink-500);transition:color 160ms var(--ease),transform 240ms var(--ease)}
.feed-item:hover .arrow-link{color:var(--brand-500);transform:translateX(4px)}
.feed-foot{display:flex;align-items:center;gap:12px;margin-top:2px}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;gap:8px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.pager a{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);font-size:14px;color:var(--ink-500);font-variant-numeric:tabular-nums;transition:color 160ms var(--ease),border-color 160ms var(--ease),background-color 160ms var(--ease)}
.pager a:hover{color:var(--brand-600);border-color:var(--brand-400)}
.pager a.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:700}
.pager a.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 赛区速览 ---------- */
.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.zone-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease)}
.zone-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(226,58,28,.28)}
.zone-card h3{font-size:17px;margin:14px 0 8px}
.zone-card p{font-size:14px;color:var(--ink-500);line-height:1.8}
.zone-card b{display:block;font-family:var(--font-num);font-size:34px;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.zone-bar{height:6px;border-radius:var(--r-pill);background:var(--line);margin-top:18px;overflow:hidden}
.zone-bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(120deg,var(--brand-500),var(--brand-400));width:0;transition:width 800ms var(--ease)}
.zone-card.is-in .zone-bar i{width:var(--w,60%)}

/* ---------- 订阅 ---------- */
.subscribe{background:var(--ink-900);color:#fff;border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.subscribe h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.subscribe p{margin-top:14px;font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.85}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1;min-width:200px;height:48px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);padding:0 20px;font-size:14px;color:#fff;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease)}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(226,58,28,.24);outline:none}
.sub-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.45)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding:14px 0;font-size:16px;font-weight:700;color:var(--ink-900);cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary i{flex:none;width:22px;height:22px;position:relative;transition:transform 240ms var(--ease)}
.faq-list summary i::before,.faq-list summary i::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);transform:translate(-50%,-50%)}
.faq-list summary i::before{width:14px;height:2px}
.faq-list summary i::after{width:2px;height:14px;transition:transform 240ms var(--ease)}
.faq-list details[open] summary i::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-list details[open] summary{color:var(--brand-600)}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--ink-500);max-width:760px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.66);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:900;letter-spacing:-.02em}
.footer-brand svg{width:24px;height:24px}
.site-footer h3{font-size:13px;font-weight:700;letter-spacing:.16em;color:rgba(255,255,255,.45);margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color 160ms var(--ease)}
.footer-links a:hover{color:#fff}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-keywords span{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);font-size:12px;color:rgba(255,255,255,.55)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.42)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .list-layout{grid-template-columns:1fr;gap:32px}
  .side-rail{position:static}
  .zone-grid{grid-template-columns:repeat(2,1fr)}
  .subscribe{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .brand-row{height:64px}
  .search-form{display:none}
  .hotwords{display:none}
  .nav-toggle{display:inline-flex}
  .channel-row{display:none}
  .section{padding:56px 0}
  .head-stats .stat{padding:0 24px}
  .head-stats .stat b{font-size:28px}
  .feed-item{grid-template-columns:1fr;gap:16px;padding:24px 0}
  .feed-body h3{font-size:18px}
  .sec-head{margin-bottom:32px}
}
@media (max-width:560px){
  .page-head .container{padding-top:32px;padding-bottom:40px}
  .head-stats{gap:18px}
  .head-stats .stat{padding:0;border-left:0;flex:1 1 44%}
  .zone-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-sm{width:auto}
  .pager a{padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .zone-bar i{width:var(--w,60%)!important}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B0C0F;
  --ink-800:#16181D;
  --ink-700:#24272E;
  --ink-500:#5B606B;
  --ink-400:#8A8F9A;
  --line:#E6E2DA;
  --bg:#F5F3EE;
  --paper:#FFFFFF;
  --brand-500:#E23A1C;
  --brand-600:#C62F14;
  --brand-400:#FF6A3D;
  --accent-500:#12B8C9;
  --accent-400:#4FE3E0;
  --success:#12855F;
  --warn:#D98A16;
  --danger:#C0392B;
  --info:#12B8C9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-3:0 18px 48px rgba(11,12,15,.14);
  --ease:cubic-bezier(.22,.7,.28,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","Helvetica Neue",Arial,sans-serif;
  --container:1240px;
  --sec-desktop:96px;
  --sec-tablet:72px;
  --sec-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
::selection{background:rgba(226,58,28,.16)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sec-desktop) 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:32px;font-weight:900;letter-spacing:-.03em;line-height:1.15;color:var(--ink-900)}
.section-head p{color:var(--ink-500);font-size:15px;max-width:620px;margin-top:8px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-500);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(245,243,238,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.header-top{border-bottom:1px solid var(--line);transition:height .24s var(--ease);height:72px}
.top-inner{display:flex;align-items:center;gap:22px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;flex-shrink:0}
.brand-name{
  font-size:18px;font-weight:900;letter-spacing:-.03em;color:var(--ink-900);white-space:nowrap;
}
.brand-name em{font-style:normal;color:var(--brand-500)}
.search-box{
  position:relative;flex:1 1 auto;max-width:340px;min-width:180px;
  display:flex;align-items:center;
  height:42px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper);padding:0 6px 0 16px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.12)}
.search-box input{flex:1;border:0;background:none;outline:none;font-size:14px;height:100%}
.search-box input::placeholder{color:var(--ink-400)}
.search-box button{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--ink-900);color:#fff;
  transition:background .16s var(--ease),transform .16s var(--ease);
}
.search-box button:hover{background:var(--brand-500)}
.search-box button:active{transform:translateY(1px)}
.hot-words{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden}
.hot-label{font-size:12px;color:var(--ink-400);letter-spacing:.08em;white-space:nowrap}
.hot-words a{
  font-size:13px;color:var(--ink-700);background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 12px;white-space:nowrap;
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.hot-words a:hover{color:var(--brand-600);border-color:var(--brand-500);background:#fff}
.menu-toggle{
  display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:var(--paper);align-items:center;justify-content:center;flex-shrink:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.header-nav{height:44px;display:flex;align-items:center}
.nav-inner{display:flex;align-items:center;height:100%}
.channel-nav{display:flex;align-items:center;gap:2px;height:100%}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 16px;font-size:15px;color:var(--ink-500);font-weight:500;
  transition:color .16s var(--ease);
}
.channel-nav a:hover{color:var(--ink-900)}
.channel-nav a.is-active{color:var(--ink-900);font-weight:700}
.channel-nav a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--brand-500);
}
.nav-scrim{
  display:none;position:fixed;inset:0;background:rgba(11,12,15,.5);z-index:79;
}
.nav-scrim.is-open{display:block}
.site-header.is-compact .header-top{height:58px}
.site-header.is-compact .brand-mark{width:26px;height:26px}
.site-header.is-compact .brand-name{font-size:16px}

/* ===== hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink-900);
  background-image:linear-gradient(180deg,rgba(11,12,15,.82) 0%,rgba(11,12,15,.62) 46%,rgba(11,12,15,.88) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:52px 0 60px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:26px}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.3)}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb [aria-current]{color:rgba(255,255,255,.55)}
.page-hero h1{
  font-size:clamp(32px,4.4vw,58px);font-weight:900;letter-spacing:-.03em;line-height:1.12;
  max-width:900px;
}
.hero-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.72);max-width:660px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.06);
}
.kpi-bar{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);
  background:rgba(11,12,15,.34);
  backdrop-filter:blur(6px);
}
.kpi-bar .kpi{padding:22px 24px;border-right:1px solid rgba(255,255,255,.14)}
.kpi-bar .kpi:last-child{border-right:0}
.kpi strong{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:36px;font-weight:700;line-height:1;letter-spacing:-.01em;color:#fff;
}
.kpi strong i{font-style:normal;font-size:16px;color:var(--accent-400);margin-left:4px}
.kpi span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.6)}

/* ===== filter bar ===== */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:18px 0 0;
}
.filter-label{font-size:13px;color:var(--ink-400);letter-spacing:.06em;margin-right:2px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);
  font-size:14px;color:var(--ink-700);font-weight:500;
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease),transform .16s var(--ease);
}
.chip:hover{border-color:var(--ink-400);transform:translateY(-1px)}
.chip:active{transform:translateY(0)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.chip .count{font-family:var(--font-num);font-size:13px;color:var(--ink-400)}
.chip.is-active .count{color:rgba(255,255,255,.6)}

/* ===== card wall ===== */
.wall-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin-top:32px;
}
.wall-card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.wall-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#DCD6CB}
.wall-card:focus-within{border-color:var(--brand-500)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-800)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.wall-card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(226,58,28,.92);color:#fff;
}
.card-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 18px}
.card-body h3{
  font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.35;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.card-list span{
  font-size:12px;color:var(--ink-500);background:var(--bg);
  border-radius:var(--r-sm);padding:3px 9px;
}
.card-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
}
.card-meta time{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink-400)}
.card-meta .rank{font-size:12px;color:var(--ink-400)}
.card-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-600);
}
.card-link svg{transition:transform .2s var(--ease)}
.wall-card:hover .card-link svg{transform:translateX(4px)}
.wall-empty{
  display:none;margin-top:32px;padding:52px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--paper);
}
.wall-empty.is-show{display:block}
.wall-empty strong{display:block;font-size:16px;color:var(--ink-900);font-weight:800}
.wall-empty p{margin-top:8px;font-size:14px;color:var(--ink-500)}
.wall-empty button{
  margin-top:18px;height:40px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--ink-900);color:#fff;font-size:14px;font-weight:600;
  transition:background .16s var(--ease);
}
.wall-empty button:hover{background:var(--brand-500)}

/* ===== rhythm strip ===== */
.rhythm{margin-top:8px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.rhythm-item{
  position:relative;padding:34px 28px 34px 0;border-right:1px solid var(--line);
}
.rhythm-item:last-child{border-right:0;padding-right:0}
.rhythm-item .idx{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:700;line-height:1;color:var(--brand-500);letter-spacing:-.02em;
}
.rhythm-item h3{margin-top:16px;font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em}
.rhythm-item p{margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.85;max-width:320px}
.rhythm-item + .rhythm-item{padding-left:28px}

/* ===== notice strip ===== */
.notice-strip{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 24px;box-shadow:var(--sh-1);
}
.notice-strip .tag{
  font-size:12px;font-weight:700;color:var(--accent-500);
  background:rgba(18,184,201,.12);border-radius:var(--r-pill);padding:5px 12px;
}
.notice-strip p{font-size:14px;color:var(--ink-500)}
.notice-strip p strong{color:var(--ink-800);font-weight:700}
.notice-strip .spacer{flex:1}

/* ===== CTA band ===== */
.cta-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,58,28,.28),transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(26px,3vw,38px);font-weight:900;letter-spacing:-.03em;line-height:1.2}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.68);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease),color .16s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 8px 24px rgba(226,58,28,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 12px 30px rgba(226,58,28,.34)}
.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);background:var(--paper);color:var(--ink-800)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px}
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:18px 4px;font-size:16px;font-weight:700;color:var(--ink-900);
  transition:color .16s var(--ease);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--brand-600)}
.faq-list summary .sign{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-list summary .sign::before,.faq-list summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-700);transform:translate(-50%,-50%);
}
.faq-list summary .sign::before{width:10px;height:1.5px}
.faq-list summary .sign::after{width:1.5px;height:10px;transition:opacity .24s var(--ease)}
.faq-list details[open] summary .sign{transform:rotate(180deg);border-color:var(--brand-500)}
.faq-list details[open] summary .sign::after{opacity:0}
.faq-list .answer{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--ink-500);max-width:760px}

/* ===== footer ===== */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand-name{color:#fff;font-size:19px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-brand .slogan{margin-top:14px;font-size:13px;color:rgba(255,255,255,.42)}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.5);
  text-transform:uppercase;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8}
.sub-form{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:170px;height:44px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;outline:none;
  font-size:14px;transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.4)}
.sub-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.22)}
.sub-form .btn{height:44px;padding:0 22px;font-size:14px}
.footer-bar{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ===== responsive ===== */
@media (max-width:1100px){
  .hot-words{display:none}
  .wall-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rhythm{grid-template-columns:1fr}
  .rhythm-item{border-right:0;border-bottom:1px solid var(--line);padding:28px 0}
  .rhythm-item + .rhythm-item{padding-left:0}
  .rhythm-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .section{padding:var(--sec-tablet) 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:26px}
  .kpi-bar{grid-template-columns:repeat(2,1fr)}
  .kpi-bar .kpi:nth-child(2){border-right:0}
  .kpi-bar .kpi:nth-child(1),.kpi-bar .kpi:nth-child(2){border-bottom:1px solid rgba(255,255,255,.14)}
  .menu-toggle{display:inline-flex}
  .search-box{display:none}
  .header-nav{
    position:fixed;top:0;right:-300px;width:286px;height:100vh;height:100dvh;
    background:var(--ink-900);z-index:80;padding:26px 18px;display:block;
    transition:right .28s var(--ease);overflow-y:auto;
  }
  .header-nav.is-open{right:0}
  .channel-nav{flex-direction:column;align-items:stretch;height:auto;gap:2px}
  .channel-nav a{height:50px;color:rgba(255,255,255,.8);border-radius:var(--r-sm);padding:0 14px}
  .channel-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
  .channel-nav a.is-active{color:#fff;background:rgba(226,58,28,.16)}
  .channel-nav a.is-active::after{display:none}
  .cta-inner{padding:52px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .wall-grid{grid-template-columns:1fr}
  .hero-inner{padding:38px 0 46px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .kpi-bar .kpi{padding:18px 16px}
  .kpi strong{font-size:30px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:560px){
  .section{padding:var(--sec-mobile) 0}
  .brand-name{font-size:16px}
  .section-head h2{font-size:23px}
  .card-body{padding:18px 16px 16px}
  .card-body h3{font-size:17px}
  .btn{width:100%}
  .filter-bar{gap:8px}
  .chip{height:36px;padding:0 14px;font-size:13px}
  .notice-strip{padding:16px}
}
@media (max-width:400px){
  .brand-name{font-size:15px}
  .card-cover{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --ink-900:#0B0C0F;
  --ink-800:#16181D;
  --ink-700:#24272E;
  --ink-500:#5B606B;
  --ink-400:#8A8F9A;
  --line:#E6E2DA;
  --bg:#F5F3EE;
  --paper:#FFFFFF;
  --brand-500:#E23A1C;
  --brand-600:#C62F14;
  --brand-400:#FF6A3D;
  --accent-500:#12B8C9;
  --accent-400:#4FE3E0;
  --success:#12855F;
  --warn:#D98A16;
  --danger:#C0392B;
  --info:#12B8C9;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-2:0 6px 18px rgba(11,12,15,.08);
  --sh-3:0 18px 48px rgba(11,12,15,.14);

  --ease:cubic-bezier(.22,.7,.28,1);

  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","DIN Alternate","Helvetica Neue",var(--font-sans);

  --container:1240px;
  --gutter:24px;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-800);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:4px;
}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.15;font-weight:900;letter-spacing:-.03em;}
p{margin:0;}
time{font-variant-numeric:tabular-nums;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ===================== 容器与板块 ===================== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(26px,3vw,36px);
  line-height:1.15;
}
.section-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--ink-500);
  max-width:660px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:700;
  color:var(--brand-500);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--brand-500);
  display:inline-block;
}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform 160ms var(--ease),background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),box-shadow 160ms var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 6px 16px rgba(226,58,28,.22);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 12px 26px rgba(226,58,28,.28);}
.btn-outline{border-color:var(--line);background:var(--paper);color:var(--ink-800);}
.btn-outline:hover{border-color:var(--ink-800);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;pointer-events:none;}

/* ===================== 徽章 / 标签 ===================== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
}
.badge-brand{background:rgba(226,58,28,.12);color:var(--brand-600);}
.badge-accent{background:rgba(18,184,201,.14);color:#0E8A97;}
.badge-success{background:rgba(18,133,95,.12);color:var(--success);}
.badge-warn{background:rgba(217,138,22,.14);color:#A9690C;}
.badge-muted{background:rgba(11,12,15,.06);color:var(--ink-500);}
.badge-ghost{border:1px solid rgba(255,255,255,.28);color:#EDEAE3;background:rgba(255,255,255,.06);}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 28px rgba(11,12,15,.08);}
.brand-row{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height 240ms var(--ease);
}
.site-header.is-stuck .brand-row{height:56px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:-.03em;
  font-size:19px;
  color:var(--ink-900);
  flex:none;
}
.brand svg{width:30px;height:30px;flex:none;}
.brand em{font-style:normal;color:var(--brand-500);}
.brand--light{color:#fff;}
.brand--light em{color:var(--brand-400);}

.site-search{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  max-width:360px;
  height:40px;
  padding:0 6px 0 16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.site-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(226,58,28,.12);
}
.site-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  outline:none;
}
.site-search input::placeholder{color:var(--ink-400);}
.site-search button{
  width:32px;height:32px;
  border-radius:50%;
  display:grid;place-items:center;
  color:var(--ink-500);
  transition:background-color 160ms var(--ease),color 160ms var(--ease);
}
.site-search button:hover{background:rgba(226,58,28,.1);color:var(--brand-500);}

.hot-chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  margin-left:auto;
}
.hot-chips::-webkit-scrollbar{display:none;}
.hot-chips a{
  font-size:13px;
  color:var(--ink-500);
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.7);
  transition:color 160ms var(--ease),border-color 160ms var(--ease),background-color 160ms var(--ease);
  white-space:nowrap;
}
.hot-chips a:hover{color:var(--brand-600);border-color:rgba(226,58,28,.4);background:rgba(226,58,28,.06);}

.channel-bar{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:8px;}
.channel-nav{
  display:flex;
  align-items:center;
  gap:4px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-500);
  white-space:nowrap;
  transition:color 160ms var(--ease);
}
.channel-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 240ms var(--ease);
}
.channel-nav a:hover{color:var(--ink-900);}
.channel-nav a:hover::after{transform:scaleX(.5);}
.channel-nav a.is-active{color:var(--ink-900);}
.channel-nav a.is-active::after{transform:scaleX(1);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--paper);
  align-items:center;
  justify-content:center;
  margin-left:auto;
  flex:none;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink-800);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-800);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;max-width:86vw;
  height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform 280ms var(--ease);
  z-index:100;
  padding:24px 20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-close{
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  display:grid;place-items:center;
  margin-left:auto;
  font-size:18px;
  color:var(--ink-500);
}
.drawer-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-400);
  font-weight:700;
  margin:24px 0 10px;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:13px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:600;
  color:var(--ink-700);
}
.drawer-nav a.is-active{color:var(--brand-600);}
.drawer-search{
  display:flex;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  margin-top:16px;
}
.drawer-search input{flex:1;border:0;padding:0 12px;outline:none;font-size:14px;}
.drawer-search button{padding:0 16px;background:var(--brand-500);color:#fff;font-weight:700;font-size:14px;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,12,15,.42);
  opacity:0;visibility:hidden;
  transition:opacity 280ms var(--ease),visibility 280ms var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===================== 内页 Hero ===================== */
.page-hero{
  position:relative;
  min-height:480px;
  display:flex;
  align-items:flex-end;
  background-color:var(--ink-900);
  background-image:linear-gradient(180deg,rgba(11,12,15,.72) 0%,rgba(11,12,15,.42) 42%,rgba(11,12,15,.86) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:100% 64px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:96px;padding-bottom:56px;}
.page-hero h1{
  font-size:clamp(32px,4.4vw,58px);
  max-width:900px;
  letter-spacing:-.03em;
}
.page-hero .hero-sub{
  margin-top:18px;
  font-size:17px;
  color:rgba(255,255,255,.72);
  max-width:640px;
}
.hero-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
}
.hero-crumb a:hover{color:#fff;}
.hero-crumb span{color:rgba(255,255,255,.35);}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.kpi-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.18);
}
.kpi{
  padding:22px 20px 0;
  border-left:1px solid rgba(255,255,255,.18);
}
.kpi:first-child{border-left:0;padding-left:0;}
.kpi-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  line-height:1;
  color:#fff;
  letter-spacing:-.01em;
}
.kpi-num small{font-size:14px;font-weight:700;margin-left:3px;color:rgba(255,255,255,.7);}
.kpi-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.6);}

/* ===================== 榜单（排行 + 时间轴） ===================== */
.rank-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:0;}
.rank-toolbar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--paper);
  font-size:13px;
  font-weight:600;
  color:var(--ink-500);
  transition:all 160ms var(--ease);
}
.chip:hover{border-color:var(--ink-800);color:var(--ink-900);}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;}

.rank-list{position:relative;}
.rank-list::before{
  content:"";
  position:absolute;
  left:47px;
  top:14px;
  bottom:14px;
  width:1px;
  background:var(--line);
}
.rank-item{
  position:relative;
  display:grid;
  grid-template-columns:96px minmax(0,1fr) 130px;
  align-items:center;
  gap:24px;
  padding:22px 24px 22px 0;
  border-bottom:1px solid var(--line);
  transition:background-color 240ms var(--ease),box-shadow 240ms var(--ease),transform 240ms var(--ease);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:nth-child(odd){background:rgba(11,12,15,.022);}
.rank-item:hover{
  background:var(--paper);
  box-shadow:var(--sh-3);
  transform:translateY(-2px);
  border-radius:var(--r-md);
}
.rank-no{
  position:relative;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:var(--ink-900);
  text-align:center;
  letter-spacing:-.02em;
}
.rank-no::after{
  content:"";
  position:absolute;
  right:-13px;
  top:50%;
  transform:translateY(-50%);
  width:9px;height:9px;
  border-radius:50%;
  background:var(--paper);
  border:2px solid var(--brand-500);
}
.rank-item:hover .rank-no{color:var(--brand-600);}
.rank-body{min-width:0;}
.rank-head{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:8px;
}
.rank-head h3{font-size:20px;}
.rank-body p{
  font-size:14px;
  color:var(--ink-500);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-stats{
  display:flex;
  gap:26px;
  margin-top:14px;
  flex-wrap:wrap;
}
.rank-stat b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  margin-right:6px;
}
.rank-stat span{font-size:12px;color:var(--ink-400);}
.rank-time{
  text-align:right;
  font-size:13px;
  color:var(--ink-400);
  font-variant-numeric:tabular-nums;
}
.rank-time b{
  display:block;
  font-family:var(--font-num);
  font-size:24px;
  color:var(--ink-700);
  font-weight:700;
  line-height:1.1;
}

/* ===================== 时间轴 ===================== */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:16px;
  bottom:16px;
  width:1px;
  background:var(--line);
}
.timeline-item{
  position:relative;
  padding:0 0 26px 44px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:3px;
  top:9px;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--paper);
  border:2px solid var(--accent-500);
}
.timeline-item:first-child::before{border-color:var(--brand-500);}
.timeline-card{
  display:grid;
  grid-template-columns:180px minmax(0,1fr);
  gap:20px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:box-shadow 240ms var(--ease),transform 240ms var(--ease),border-color 240ms var(--ease);
}
.timeline-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#DED8CD;}
.timeline-thumb{
  aspect-ratio:16/10;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--line);
}
.timeline-thumb img{width:100%;height:100%;object-fit:cover;}
.timeline-body h3{font-size:18px;line-height:1.35;margin-bottom:8px;}
.timeline-body p{font-size:14px;color:var(--ink-500);line-height:1.75;}
.timeline-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:12px;
  font-size:13px;
  color:var(--ink-400);
}

/* ===================== 数据卡网格 ===================== */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow 240ms var(--ease),transform 240ms var(--ease),border-color 240ms var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#DED8CD;}
.card-media{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--line);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;}
.card-body p{font-size:14px;color:var(--ink-500);line-height:1.8;}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-400);
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
}
.arrow-link svg{transition:transform 240ms var(--ease);}
.arrow-link:hover svg{transform:translateX(4px);}

/* ===================== 说明条 ===================== */
.notice{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:24px;
  border:1px solid var(--line);
  border-left:3px solid var(--brand-500);
  border-radius:var(--r-md);
  background:var(--paper);
}
.notice h3{font-size:16px;margin-bottom:6px;}
.notice p{font-size:14px;color:var(--ink-500);line-height:1.8;}

/* ===================== FAQ ===================== */
.faq{max-width:900px;}
.faq details{border-top:1px solid var(--line);}
.faq details:last-of-type{border-bottom:1px solid var(--line);}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:56px;
  padding:16px 0;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
  color:var(--ink-800);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";
  font-size:20px;
  font-weight:400;
  color:var(--brand-500);
  line-height:1;
  transition:transform 240ms var(--ease);
  flex:none;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .faq-answer{
  padding:0 0 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
  max-width:760px;
}

/* ===================== 深底 CTA ===================== */
.cta-band{
  background:var(--ink-900);
  color:#fff;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(226,58,28,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  position:relative;
  z-index:2;
}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.68);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:48px;
}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.58);max-width:320px;}
.footer-tip{
  margin-top:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--accent-400);
}
.footer-col h3{
  font-size:13px;
  letter-spacing:.12em;
  font-weight:700;
  color:rgba(255,255,255,.5);
  margin-bottom:18px;
}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.74);transition:color 160ms var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-sub{margin-top:16px;display:flex;gap:8px;}
.footer-sub input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.footer-sub input::placeholder{color:rgba(255,255,255,.42);}
.footer-sub input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.18);}
.footer-sub button{
  height:44px;
  padding:0 18px;
  border-radius:var(--r-sm);
  background:var(--brand-500);
  color:#fff;
  font-weight:700;
  font-size:14px;
  transition:background-color 160ms var(--ease),transform 160ms var(--ease);
}
.footer-sub button:hover{background:var(--brand-600);transform:translateY(-1px);}
.footer-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.4);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.48);
}

/* ===================== 入场动画 ===================== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ===================== 响应式 ===================== */
@media (min-width:1440px){
  :root{--gutter:32px;}
  .section{padding:110px 0;}
}
@media (max-width:1200px){
  .hot-chips{display:none;}
  .site-search{max-width:300px;margin-left:auto;}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .page-hero{min-height:420px;}
  .page-hero .container{padding-top:72px;}
}
@media (max-width:768px){
  .site-search{display:none;}
  .channel-bar{display:none;}
  .nav-toggle{display:flex;}
  .brand-row{height:60px;gap:16px;}
  .site-header.is-stuck .brand-row{height:56px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .page-hero{min-height:auto;}
  .page-hero .container{padding-top:56px;padding-bottom:44px;}
  .kpi-strip{grid-template-columns:repeat(2,1fr);margin-top:34px;}
  .kpi{border-left:0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.14);}
  .kpi:first-child{border-top:0;}
  .kpi:nth-child(1),.kpi:nth-child(2){padding-top:18px;border-top:0;}
  .rank-list::before{display:none;}
  .rank-item{
    grid-template-columns:64px minmax(0,1fr);
    gap:16px;
    padding:18px 16px;
  }
  .rank-no{font-size:32px;text-align:left;}
  .rank-no::after{display:none;}
  .rank-time{
    grid-column:1 / -1;
    text-align:left;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .rank-time b{display:inline;font-size:16px;}
  .timeline-card{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:48px 0;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:560px){
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .brand{font-size:17px;}
  .page-hero h1{font-size:28px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1;}
  .rank-item{padding:16px 14px;grid-template-columns:56px minmax(0,1fr);}
  .rank-no{font-size:28px;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:400px){
  :root{--gutter:16px;}
  .section{padding:48px 0;}
  .card-body{padding:18px;}
  .kpi-num{font-size:24px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#0B0C0F;
  --ink-800:#16181D;
  --ink-700:#24272E;
  --ink-500:#5B606B;
  --ink-400:#8A8F9A;
  --line:#E6E2DA;
  --bg:#F5F3EE;
  --paper:#FFFFFF;
  --brand-500:#E23A1C;
  --brand-600:#C62F14;
  --brand-400:#FF6A3D;
  --accent-500:#12B8C9;
  --accent-400:#4FE3E0;
  --ok:#12855F;
  --warn:#D98A16;
  --danger:#C0392B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,12,15,.05);
  --sh-3:0 18px 48px rgba(11,12,15,.14);
  --ease:cubic-bezier(.22,.7,.28,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Archivo Narrow","Noto Sans SC",system-ui,sans-serif;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.03em;line-height:1.15;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-500);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 吸顶导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,243,238,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-compact{background:rgba(245,243,238,.96);box-shadow:0 10px 30px rgba(11,12,15,.08);}
.brand-bar{display:flex;align-items:center;gap:18px;height:72px;transition:height .24s var(--ease);}
.site-header.is-compact .brand-bar{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;flex:0 0 auto;
  border-radius:10px;background:var(--ink-900);color:var(--brand-400);
  transition:background-color .16s var(--ease);
}
.brand:hover .brand-mark{background:var(--brand-600);}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;}
.search-box{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:420px;height:40px;
  padding:0 6px 0 14px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(226,58,28,.12);}
.search-box svg{flex:0 0 auto;color:var(--ink-400);}
.search-box input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:14px;}
.search-box input::placeholder{color:var(--ink-400);}
.search-box input:focus{outline:none;}
.search-box button{
  flex:0 0 auto;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--ink-900);color:#fff;font-size:13px;font-weight:700;
  transition:background-color .16s var(--ease);
}
.search-box button:hover{background:var(--brand-500);}
.hot-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;margin-left:auto;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.hot-chips a{
  flex:0 0 auto;padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper);font-size:12px;color:var(--ink-500);white-space:nowrap;
}
.hot-chips a:hover{color:var(--brand-600);border-color:rgba(226,58,28,.4);background:rgba(226,58,28,.06);}
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .24s var(--ease),opacity .16s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.channel-nav{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line);}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;font-weight:700;color:var(--ink-500);
}
.channel-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
  background:var(--brand-500);transform:translateX(-50%);
  transition:width .24s var(--ease);
}
.channel-nav a:hover{color:var(--ink-900);}
.channel-nav a:hover::after{width:100%;}
.channel-nav a.is-active{color:var(--ink-900);}
.channel-nav a.is-active::after{width:100%;}

/* ============ 内页首屏 ============ */
.page-hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;padding:60px 0 52px;}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.5;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,12,15,.92) 0%,rgba(11,12,15,.74) 46%,rgba(11,12,15,.34) 100%);
}
.page-hero .hero-inner{position:relative;z-index:1;max-width:840px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:13px;}
.crumbs li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.6);}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.3);}
.crumbs a{color:rgba(255,255,255,.8);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;margin-bottom:18px;
  border:1px solid rgba(79,227,224,.45);border-radius:var(--r-pill);
  color:var(--accent-400);font-size:12.5px;letter-spacing:.1em;
}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.12;max-width:18em;}
.hero-sub{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.72);max-width:40em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-facts li{display:flex;flex-direction:column;gap:5px;padding:0 20px;border-left:1px solid rgba(255,255,255,.16);}
.hero-facts li:first-child{border-left:0;padding-left:0;}
.hero-facts strong{font-family:var(--font-num);font-size:30px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:0;}
.hero-facts span{font-size:13px;color:rgba(255,255,255,.6);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  transition:transform .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease),box-shadow .24s var(--ease),border-color .16s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 24px rgba(226,58,28,.28);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 14px 32px rgba(226,58,28,.34);}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:var(--line);background:var(--paper);color:var(--ink-900);}
.btn-outline:hover{border-color:var(--ink-900);transform:translateY(-2px);}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{margin-bottom:12px;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--brand-600);}
.section-title{font-size:clamp(24px,2.6vw,34px);}
.section-desc{margin-top:14px;font-size:15.5px;color:var(--ink-500);}

/* ============ 长文说明 ============ */
.prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink-700);}
.prose .lead{font-size:18px;color:var(--ink-900);}
.prose p+p{margin-top:1.1em;}
.prose h2{position:relative;margin-top:2.4em;padding-left:16px;font-size:24px;color:var(--ink-900);}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:.95em;border-radius:2px;background:var(--brand-500);}
.prose h3{margin-top:1.8em;font-size:18px;color:var(--ink-800);}
.prose ul{margin:1em 0;}
.prose ul li{position:relative;padding-left:20px;margin-top:.55em;}
.prose ul li::before{content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.prose blockquote{
  margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--brand-500);
  border-radius:0 var(--r-md) var(--r-md) 0;background:var(--paper);
  color:var(--ink-700);font-size:16px;
}
.prose figure{margin:2em 0;}
.prose figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);border-radius:var(--r-lg);}
.prose figcaption{margin-top:10px;font-size:13px;color:var(--ink-400);text-align:center;}

/* ============ 任务对照表 ============ */
.table-scroll{
  max-width:1000px;margin:0 auto;overflow-x:auto;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.rule-table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px;}
.rule-table caption{padding:22px 24px 4px;text-align:left;font-size:14px;color:var(--ink-500);}
.rule-table th,.rule-table td{padding:16px 24px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);}
.rule-table thead th{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-400);background:#FBFAF7;}
.rule-table tbody td:first-child{font-weight:700;color:var(--ink-900);}
.rule-table tbody tr:last-child td{border-bottom:0;}
.rule-table tbody tr:hover{background:#FBFAF7;}
.rule-table .tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:var(--brand-600);background:rgba(226,58,28,.1);
}
.rule-table .tag-cyan{color:#0B7C88;background:rgba(18,184,201,.14);}

/* ============ FAQ 区 ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;}
.faq-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 0;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:700;line-height:1.5;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.faq-item .mark{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .24s var(--ease);}
.faq-item .mark::before,.faq-item .mark::after{content:"";position:absolute;border-radius:2px;background:var(--brand-500);}
.faq-item .mark::before{left:50%;top:4px;width:2px;height:12px;transform:translateX(-50%);}
.faq-item .mark::after{top:50%;left:4px;width:12px;height:2px;transform:translateY(-50%);}
.faq-item[open] .mark{transform:rotate(135deg);}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--ink-500);max-width:56ch;}

/* ============ 侧栏相关条目 ============ */
.side-aside{
  position:sticky;top:120px;
  padding:22px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.aside-title{font-size:15px;margin-bottom:16px;}
.rel-list li+li{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
.rel-list a{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;align-items:center;}
.rel-list img{width:72px;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-sm);}
.rel-list strong{display:block;font-size:14.5px;color:var(--ink-900);}
.rel-list span{display:block;margin-top:3px;font-size:12.5px;line-height:1.5;color:var(--ink-400);}
.rel-list a:hover strong{color:var(--brand-600);}
.rel-list a:hover img{outline:1px solid rgba(226,58,28,.35);outline-offset:1px;}

/* ============ 返回入口 ============ */
.back-panel{
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  padding:36px 40px;border-radius:var(--r-xl);background:var(--ink-900);color:#fff;
}
.back-panel h2{font-size:clamp(20px,2.2vw,26px);color:#fff;}
.back-panel p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.68);max-width:46ch;}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;}
.back-panel .btn-outline{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.back-panel .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;padding-top:72px;background:var(--ink-900);color:rgba(255,255,255,.72);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px;}
.foot-col h3{margin-bottom:18px;font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.5);}
.foot-logo{margin-bottom:14px;font-size:20px;font-weight:900;letter-spacing:-.02em;color:#fff;}
.foot-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:34ch;}
.foot-col ul li+li{margin-top:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.subscribe-form{display:flex;gap:8px;margin-bottom:12px;}
.subscribe-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.42);}
.subscribe-form input:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(226,58,28,.25);}
.subscribe-form button{
  flex:0 0 auto;height:44px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--brand-500);color:#fff;font-size:14px;font-weight:700;
  transition:background-color .16s var(--ease),transform .16s var(--ease);
}
.subscribe-form button:hover{background:var(--brand-600);transform:translateY(-1px);}
.foot-note{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.46);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a:hover{color:#fff;}

/* ============ 断点 ============ */
@media (max-width:1240px){
  .container{padding:0 24px;}
}
@media (max-width:1080px){
  .hot-chips{display:none;}
  .search-box{max-width:340px;}
  .brand-text{font-size:16.5px;}
}
@media (max-width:1024px){
  .faq-layout{grid-template-columns:minmax(0,1fr);}
  .side-aside{position:static;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:860px){
  .search-box{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .brand-bar{height:64px;}
  .site-header.is-compact .brand-bar{height:56px;}
  .channel-nav{
    position:absolute;top:100%;right:0;width:260px;max-width:82vw;height:auto;
    flex-direction:column;align-items:stretch;gap:0;padding:8px 0;
    background:var(--paper);border-top:1px solid var(--line);
    border-radius:0 0 var(--r-md) var(--r-md);
    box-shadow:-12px 24px 48px rgba(11,12,15,.16);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .channel-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .channel-nav a{height:48px;padding:0 18px;border-bottom:1px solid var(--line);}
  .channel-nav a:last-child{border-bottom:0;}
  .channel-nav a::after{display:none;}
  .channel-nav a.is-active{color:var(--brand-600);}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .page-hero{padding:44px 0 40px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 0;margin-top:32px;}
  .hero-facts li:nth-child(odd){border-left:0;padding-left:0;}
  .hero-facts li{padding:0 14px;}
  .faq-cols{grid-template-columns:minmax(0,1fr);}
  .section{padding:56px 0;}
  .prose{font-size:16px;}
  .prose h2{font-size:21px;}
  .back-panel{padding:28px 22px;border-radius:var(--r-lg);}
  .back-actions .btn{flex:1 1 auto;}
  .site-footer{padding-top:56px;margin-top:64px;}
  .foot-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .brand-text{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-facts strong{font-size:26px;}
  .rule-table th,.rule-table td{padding:14px 16px;}
  .subscribe-form{flex-wrap:wrap;}
  .subscribe-form button{width:100%;}
  .foot-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}