/* roulang page: index */
:root{
  --ink:#0E3B33;
  --ink-deep:#08211D;
  --signal:#D8F24B;
  --signal-dark:#C4DE33;
  --alert:#FF4A1C;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --text:#0B0E0D;
  --muted:#6B7370;
  --radius:8px;
  --radius-pill:999px;
  --sidebar:236px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-0.02em;font-weight:800;color:var(--ink);}
h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.08;font-weight:900;}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);}
h3{font-size:1.125rem;line-height:1.4;}
p{margin:0;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head .eyebrow{margin-bottom:10px;}
.eyebrow{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);}
.lead{color:var(--muted);font-size:16px;max-width:640px;}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--ink-deep);color:#EAF1EC;z-index:80;
  display:flex;flex-direction:column;
  border-right:1px solid rgba(216,242,75,.12);
}
.side-inner{display:flex;flex-direction:column;height:100%;padding:22px 0 18px;}
.brand{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 18px 0 20px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:8px;
  background:var(--signal);color:#0B0E0D;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;letter-spacing:-.03em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgba(234,241,236,.55);font-weight:500;}
.side-nav{margin-top:26px;display:flex;flex-direction:column;}
.side-nav .nav-label{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(234,241,236,.42);padding:0 20px 10px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px 0 20px;font-size:14.5px;font-weight:500;
  color:rgba(234,241,236,.78);
  border-top:1px solid rgba(216,242,75,.09);
  transition:background .25s ease,color .25s ease;
}
.nav-item:last-child{border-bottom:1px solid rgba(216,242,75,.09);}
.nav-item:hover{background:rgba(216,242,75,.08);color:#fff;}
.nav-item.is-active{color:#fff;font-weight:700;background:rgba(216,242,75,.06);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--signal);}
.nav-item .dot{width:5px;height:5px;border-radius:50%;background:rgba(216,242,75,.5);flex:0 0 5px;}
.side-foot{margin-top:auto;padding:16px;}
.side-sub{
  border:1px solid rgba(216,242,75,.22);border-radius:var(--radius);
  padding:14px;background:rgba(216,242,75,.05);
}
.side-sub .tag{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--signal);font-weight:600;}
.side-sub p{font-size:13px;line-height:1.7;color:rgba(234,241,236,.72);margin:8px 0 12px;}
.side-sub a{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--signal);color:#0B0E0D;font-weight:700;font-size:13px;
  padding:8px 14px;border-radius:var(--radius-pill);
}
.side-sub a:hover{background:var(--signal-dark);}

/* 移动顶栏 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:var(--ink-deep);color:#fff;align-items:center;justify-content:space-between;
  padding:0 16px;border-bottom:1px solid rgba(216,242,75,.14);
}
.topbar .brand{padding:0;}
.topbar .brand-mark{background:var(--signal);}
.burger{
  width:40px;height:40px;border-radius:10px;background:rgba(216,242,75,.10);
  border:1px solid rgba(216,242,75,.25);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.burger i{display:block;width:16px;height:2px;background:#EAF1EC;border-radius:2px;}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(8,33,29,.5);z-index:70;
}
.scrim.is-open{display:block;}

.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column;}
.main-inner{flex:1;}

/* 状态条 */
.statusbar{
  min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 24px;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.status-left{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--ink);}
.status-right{font-size:12.5px;color:var(--muted);}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--alert);display:inline-block;animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* 面包屑 */
.crumb{padding:20px 0 0;font-size:13px;color:var(--muted);}
.crumb a:hover{color:var(--ink);text-decoration:underline;}
.crumb .sep{margin:0 8px;color:#BFB9AC;}
.crumb .now{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:28px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:stretch;}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--ink);border:1px solid var(--line);aspect-ratio:16/9;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.hero-media:hover img{transform:scale(1.04);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,33,29,0) 42%,rgba(8,33,29,.72) 100%);
}
.badge-live{
  position:absolute;top:14px;right:14px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(8,33,29,.86);color:#F4F8F5;
  font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(216,242,75,.35);
}
.badge-live .live-dot{width:7px;height:7px;}
.hero-strip{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  background:rgba(8,33,29,.72);backdrop-filter:blur(2px);
  border:1px solid rgba(216,242,75,.24);border-radius:var(--radius);
  padding:9px 14px;color:#EAF1EC;font-size:13px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-body{display:flex;flex-direction:column;justify-content:center;}
.hero-body h1{margin:12px 0 14px;}
.hero-sub{font-size:16px;color:var(--muted);max-width:520px;}
.countdown{display:flex;align-items:stretch;margin:26px 0 6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;}
.cd-cell{flex:1;padding:14px 8px;text-align:center;border-right:1px solid var(--line);}
.cd-cell:last-child{border-right:0;}
.cd-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;color:var(--ink);line-height:1;}
.cd-num.tick{animation:tickUp .18s ease;}
@keyframes tickUp{from{opacity:.35;transform:translateY(3px);}to{opacity:1;transform:translateY(0);}}
.cd-lab{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:8px;font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.hero-meta{font-size:13px;color:var(--muted);margin-top:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background .25s ease,color .25s ease,transform .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--signal);color:#0B0E0D;}
.btn-primary:hover{background:var(--signal-dark);transform:translate(1px,-2px);box-shadow:0 10px 30px rgba(11,14,13,.07);}
.btn-primary .arw{transition:transform .25s ease;}
.btn-primary:hover .arw{transform:translateX(3px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#F2F7F3;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);height:auto;padding:2px 0;border:0;border-radius:0;}
.btn-ghost .u{position:relative;}
.btn-ghost .u::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;}
.btn-ghost:hover .u::after{transform:scaleX(1);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* 徽标 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:var(--radius-pill);}
.badge-cat{color:var(--ink);border:1px solid rgba(14,59,51,.35);background:rgba(14,59,51,.04);}
.badge-time{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--muted);padding:0;letter-spacing:0;}

/* ---------- 看点列表 ---------- */
.points{border-top:1px solid var(--line);}
.point{
  display:grid;grid-template-columns:78px 1fr 40px;align-items:center;gap:20px;
  padding:24px 12px;border-bottom:1px solid var(--line);
  transition:background .25s ease,transform .25s ease;
}
.point:hover{background:#FBF9F5;transform:translateX(2px);}
.point-no{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.04em;}
.point h3{margin-bottom:4px;}
.point p{color:var(--muted);font-size:15px;}
.point .arw{justify-self:end;color:var(--ink);font-size:20px;transition:transform .25s ease;}
.point:hover .arw{transform:translateX(4px);}

/* ---------- 订阅区 ---------- */
.subscribe{background:var(--ink-deep);color:#EAF1EC;}
.subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.subscribe h2{color:#fff;}
.subscribe p{color:rgba(234,241,236,.7);margin-top:14px;max-width:460px;}
.form-row{display:flex;gap:12px;flex-wrap:wrap;}
.field{flex:1;min-width:220px;}
.input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(216,242,75,.3);
  color:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.input::placeholder{color:rgba(234,241,236,.45);}
.input:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 4px rgba(216,242,75,.16);}
.input.is-error{border-color:var(--alert);}
.form-note{font-size:12.5px;color:rgba(234,241,236,.5);margin-top:12px;}
.form-msg{margin-top:12px;font-size:13.5px;min-height:20px;}
.form-msg.ok{color:var(--signal);}
.form-msg.err{color:#FF8C6C;}

/* ---------- 回放卡带 ---------- */
.reel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.reel-btns{display:flex;gap:10px;}
.reel-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
  transition:border-color .25s ease,transform .25s ease;
}
.reel-btn:hover{border-color:var(--ink);transform:translateY(-2px);}
.reel-track{
  display:flex;gap:22px;overflow-x:auto;scroll-behavior:smooth;
  padding-bottom:8px;scrollbar-width:thin;
}
.reel-track::-webkit-scrollbar{height:6px;}
.reel-track::-webkit-scrollbar-thumb{background:#D6D0C3;border-radius:999px;}
.reel-card{
  flex:0 0 300px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;
}
.reel-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(11,14,13,.07);}
.reel-media{position:relative;aspect-ratio:3/2;background:var(--ink);overflow:hidden;}
.reel-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.reel-card:hover .reel-media img{transform:scale(1.04);}
.reel-dur{
  position:absolute;right:10px;bottom:10px;
  background:rgba(8,33,29,.85);color:#EAF1EC;font-size:12px;
  padding:3px 9px;border-radius:var(--radius-pill);
}
.reel-body{padding:16px 18px 18px;}
.reel-body h3{font-size:15.5px;line-height:1.5;margin-bottom:10px;}
.reel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(11,14,13,.07);}
.news-card .news-media{aspect-ratio:16/9;background:var(--ink);overflow:hidden;}
.news-card .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;}
.news-body h3{font-size:19px;line-height:1.45;margin:12px 0 10px;}
.news-body p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}
.news-rows{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.news-row{
  display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);
  transition:background .22s ease,transform .22s ease;
}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:#FBF9F5;transform:translateX(2px);}
.news-row .r-main{flex:1;min-width:0;}
.news-row h3{font-size:15.5px;font-weight:700;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .r-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted);}
.empty-state{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  padding:56px 24px;text-align:center;
}
.empty-mark{
  width:52px;height:52px;margin:0 auto 18px;border-radius:10px;background:var(--ink);
  color:var(--signal);display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:20px;
}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ---------- 数据带 ---------- */
.stats{background:#F1EEE7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:38px 24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700;color:var(--ink);line-height:1;}
.stat .u{font-size:14px;font-weight:600;color:var(--ink);margin-left:4px;}
.stat .k{font-size:13px;color:var(--muted);margin-top:12px;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 8px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:color .22s ease;
}
.faq-q:hover{color:#14513F;}
.faq-ico{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform .26s ease,background .26s ease,border-color .26s ease;
}
.faq-item.is-open .faq-ico{transform:rotate(90deg);background:var(--signal);border-color:var(--signal);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a-inner{padding:0 8px 24px;color:var(--muted);font-size:15px;line-height:1.85;max-width:820px;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:#F1EEE7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;}
.cta-band h2{margin-bottom:14px;}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:rgba(234,241,236,.72);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-top:64px;padding-bottom:44px;}
.footer-brand{color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.85;max-width:320px;}
.footer-title{color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;}
.footer li{margin-bottom:10px;}
.footer a{font-size:14px;color:rgba(234,241,236,.72);transition:color .22s ease;}
.footer a:hover{color:var(--signal);}
.footer-bottom{
  border-top:1px solid rgba(216,242,75,.14);
  padding-top:20px;padding-bottom:28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;
}
.footer-bottom a{font-size:12.5px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s cubic-bezier(.22,1,.36,1),transform .42s cubic-bezier(.22,1,.36,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  :root{--sidebar:248px;}
  .wrap{padding:0 40px;}
}
@media (max-width:1023.98px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;width:270px;}
  .sidebar.is-open{transform:none;}
  .main{margin-left:0;padding-top:56px;}
  .topbar{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .subscribe-grid{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .point{grid-template-columns:56px 1fr 24px;gap:14px;padding:20px 6px;}
  .point-no{font-size:22px;}
  .reel-card{flex:0 0 260px;}
  .news-card .news-body h3{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cd-cell{padding:12px 4px;}
  .hero-strip{font-size:12px;flex-direction:column;align-items:flex-start;gap:2px;}
  .statusbar{flex-direction:column;align-items:flex-start;gap:4px;}
  .cta-actions .btn{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  .reel-track{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#0E3B33;
  --ink-deep:#08211D;
  --signal:#D8F24B;
  --live:#FF4A1C;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --text:#0B0E0D;
  --muted:#6B7370;
  --soft:#F1EEE6;
  --radius:8px;
  --radius-pill:999px;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:768px){.wrap{padding:0 40px;}}
@media(min-width:1024px){.wrap{padding:0 56px;}}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;bottom:0;left:0;width:236px;z-index:60;
  background:var(--ink-deep);color:#E7EFEA;
  display:flex;flex-direction:column;gap:22px;
  padding:24px 16px 22px;overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .32s cubic-bezier(.22,1,.36,1);
}
.sidebar.is-open{transform:translateX(0);}
@media(min-width:1024px){.sidebar{transform:none;}}
@media(min-width:1280px){.sidebar{width:248px;}}
.brand{display:flex;align-items:center;gap:10px;min-height:40px;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:var(--signal);color:var(--ink-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;letter-spacing:-.02em;
}
.brand-text{font-weight:800;font-size:16.5px;letter-spacing:-.02em;color:#FFFFFF;line-height:1.25;}
.brand-sub{display:block;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:rgba(216,242,75,.7);}
.side-nav{display:flex;flex-direction:column;}
.nav-label{
  font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(231,239,234,.42);padding:0 14px 10px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:8px 14px;
  color:rgba(231,239,234,.74);font-size:15px;font-weight:500;line-height:1.5;
  text-decoration:none;transition:background .25s ease,color .25s ease,padding-left .25s ease;
}
.nav-item + .nav-item{border-top:1px solid rgba(255,255,255,.06);}
.nav-item .dot{width:6px;height:6px;flex:0 0 6px;border-radius:50%;background:rgba(216,242,75,.4);transition:background .25s ease;}
.nav-item:hover{background:rgba(216,242,75,.08);color:#FFFFFF;padding-left:18px;}
.nav-item.is-active{color:#FFFFFF;background:rgba(216,242,75,.1);}
.nav-item.is-active .dot{background:var(--signal);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--signal);}
.sidebar-card{
  margin-top:auto;background:rgba(255,255,255,.05);
  border:1px solid rgba(216,242,75,.18);border-radius:var(--radius);
  padding:16px 14px;
}
.sidebar-card-label{
  display:inline-block;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--signal);margin-bottom:8px;
}
.sidebar-card p{margin:0 0 12px;font-size:13px;line-height:1.7;color:rgba(231,239,234,.66);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  font-family:var(--sans);font-size:15px;font-weight:700;line-height:1;
  padding:14px 24px;cursor:pointer;text-decoration:none;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn-primary{background:var(--signal);color:#0B0E0D;border-color:var(--signal);}
.btn-primary:hover{background:#CBE63A;transform:translate(1px,-2px);box-shadow:0 10px 30px rgba(11,14,13,.07);}
.btn-primary .arrow{transition:transform .25s ease;}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#FFFFFF;transform:translateY(-2px);}
.btn-sm{padding:10px 16px;font-size:13.5px;width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ---------- 顶栏与主区 ---------- */
.mobile-bar{
  display:flex;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(8px);
}
@media(min-width:1024px){.mobile-bar{display:none;}}
.brand-mobile .brand-mark{background:var(--ink);color:var(--signal);width:32px;height:32px;flex:0 0 32px;font-size:15px;}
.brand-mobile .brand-text{color:var(--text);font-size:15.5px;}
.burger{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.overlay{
  position:fixed;inset:0;background:rgba(8,33,29,.5);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.overlay.is-open{opacity:1;pointer-events:auto;}
@media(min-width:1024px){.overlay{display:none;}}

.main{min-height:100vh;display:flex;flex-direction:column;}
@media(min-width:1024px){.main{margin-left:236px;}}
@media(min-width:1280px){.main{margin-left:248px;}}

.status-bar{
  position:sticky;top:56px;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:0 24px;
  background:rgba(247,245,240,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
@media(min-width:768px){.status-bar{padding:0 40px;}}
@media(min-width:1024px){.status-bar{top:0;padding:0 56px;}}
.status-left{display:flex;align-items:center;gap:9px;min-width:0;}
.live-dot{
  width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(255,74,28,.5);animation:breathe 1.6s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(255,74,28,.45);opacity:1;}
  50%{box-shadow:0 0 0 6px rgba(255,74,28,0);opacity:.78;}
}
.status-tag{color:var(--ink);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.status-right{display:none;color:var(--muted);white-space:nowrap;}
@media(min-width:640px){.status-right{display:block;}}
.status-right .sep{margin:0 8px;color:var(--line);}

/* ---------- 面包屑与文章头 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);padding:26px 0 0;
}
.breadcrumb a{color:var(--muted);text-decoration:none;border-bottom:1px solid transparent;transition:color .25s ease,border-color .25s ease;}
.breadcrumb a:hover{color:var(--ink);border-color:var(--ink);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--text);font-weight:500;}

.article-head{padding:22px 0 0;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--ink);border-radius:var(--radius-pill);
  padding:5px 13px;font-size:12.5px;font-weight:500;color:var(--ink);
  letter-spacing:.04em;text-decoration:none;background:transparent;
}
.badge-live{background:var(--ink-deep);border-color:var(--ink-deep);color:var(--signal);}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--live);}
h1.article-title{
  margin:18px 0 0;max-width:22em;
  font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.08;
  font-weight:900;letter-spacing:-.02em;color:var(--ink-deep);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-key{color:var(--muted);}
.article-meta .meta-val{color:var(--text);font-weight:500;}
.article-meta .divider{width:1px;height:13px;background:var(--line);}

.figure{margin:30px 0 0;}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);}
.figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);}

/* ---------- 阅读流 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;padding:36px 0 0;}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start;}}
.article-main{min-width:0;}
.article-body{max-width:720px;font-size:16.5px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 22px;line-height:1.9;}
.article-body h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:clamp(1.35rem,2.1vw,1.6rem);font-weight:800;line-height:1.3;
  letter-spacing:-.02em;color:var(--ink-deep);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;
  border-radius:2px;background:var(--signal);
}
.article-body h3{margin:30px 0 12px;font-size:1.125rem;font-weight:800;line-height:1.4;color:var(--ink-deep);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;list-style:none;}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:6px;height:6px;border-radius:1px;
  background:var(--ink);transform:rotate(45deg);
}
.article-body ol{counter-reset:olist;}
.article-body ol li{counter-increment:olist;}
.article-body ol li::before{
  content:counter(olist,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--ink);line-height:1.85;
}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;background:var(--soft);
  border-left:3px solid var(--signal);border-radius:0 var(--radius) var(--radius) 0;
  color:#33403C;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:26px 0;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;}
.article-body a{color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(14,59,51,.35);transition:color .25s ease,border-color .25s ease;}
.article-body a:hover{color:var(--ink-deep);border-color:var(--signal);}
.article-body strong{font-weight:800;color:var(--ink-deep);}
.article-body pre{
  margin:26px 0;padding:16px 18px;background:var(--soft);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.7;
}
.article-body code{font-family:var(--mono);font-size:13.5px;background:var(--soft);border-radius:4px;padding:2px 6px;}
.article-body pre code{background:none;padding:0;font-size:13.5px;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;line-height:1.7;}
.article-body th{background:var(--soft);font-weight:700;color:var(--ink-deep);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}
@media(max-width:640px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

.article-end{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);max-width:720px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-label{font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:var(--card);padding:6px 14px;font-size:13.5px;color:var(--ink);text-decoration:none;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.tag:hover{border-color:var(--ink);transform:translateY(-2px);}
.end-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 目录 ---------- */
.toc-mobile{
  border:1px solid var(--line);background:var(--card);border-radius:var(--radius);
  padding:14px 16px;margin-bottom:8px;
}
@media(min-width:1024px){.toc-mobile{display:none;}}
.toc-mobile summary{
  cursor:pointer;font-size:14px;font-weight:700;color:var(--ink-deep);
  list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"＋";color:var(--muted);font-weight:500;}
.toc-mobile[open] summary::after{content:"－";}
.toc{display:none;}
@media(min-width:1024px){
  .toc{
    display:block;position:sticky;top:76px;
    border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:18px;
  }
}
.toc-title{
  font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list li{margin:0;padding:0;}
.toc-list a{
  display:block;padding:7px 10px 7px 12px;border-left:2px solid var(--line);
  font-size:14px;line-height:1.6;color:var(--muted);text-decoration:none;
  transition:color .25s ease,border-color .25s ease,background .25s ease;
}
.toc-list a:hover{color:var(--ink);background:var(--soft);}
.toc-list a.is-current{color:var(--ink-deep);border-color:var(--signal);font-weight:700;background:var(--soft);}
.toc-list a.toc-h3{padding-left:24px;font-size:13.5px;}

/* ---------- 相关推荐 ---------- */
.related{margin:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.section-kicker{
  display:block;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px;
}
.section-title{
  margin:0;font-size:clamp(1.35rem,2.3vw,1.9rem);line-height:1.2;
  font-weight:800;letter-spacing:-.02em;color:var(--ink-deep);
}
.related-list{border-top:1px solid var(--line);}
.related-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 4px;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--text);
  transition:background .25s ease,padding-left .25s ease;
}
.related-item:hover{background:rgba(216,242,75,.08);padding-left:12px;}
.related-badge{
  flex:0 0 auto;border:1px solid var(--ink);border-radius:var(--radius-pill);
  padding:4px 12px;font-size:12.5px;font-weight:500;color:var(--ink);white-space:nowrap;
}
.related-title{flex:1 1 auto;min-width:0;font-size:16px;font-weight:700;line-height:1.5;}
.related-arrow{flex:0 0 auto;color:var(--muted);font-family:var(--mono);transition:transform .25s ease,color .25s ease;}
.related-item:hover .related-arrow{transform:translateX(4px);color:var(--ink);}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:720px;border:1px dashed var(--line);border-radius:var(--radius);
  background:var(--card);padding:56px 24px;text-align:center;
}
.empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:10px;
  background:var(--ink);color:var(--signal);display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:20px;
}
.empty-state p{margin:0 0 22px;color:var(--muted);font-size:15.5px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin:96px 0 0;padding:56px 28px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
}
.cta-band h2{
  margin:0 0 12px;font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.2;
  font-weight:800;letter-spacing:-.02em;color:var(--ink-deep);
}
.cta-band p{margin:0 auto 26px;max-width:560px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.footer{margin-top:96px;background:var(--ink-deep);color:rgba(231,239,234,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:46px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{color:#FFFFFF;font-weight:800;font-size:19px;letter-spacing:-.02em;margin-bottom:12px;}
.footer-desc{margin:0;font-size:14.5px;line-height:1.85;max-width:340px;color:rgba(231,239,234,.66);}
.footer-title{
  color:#FFFFFF;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:16px;
}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer ul a{
  color:rgba(231,239,234,.72);text-decoration:none;font-size:14.5px;
  transition:color .25s ease,padding-left .25s ease;
}
.footer ul a:hover{color:var(--signal);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 20px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(231,239,234,.5);
}
.footer-bottom p{margin:0;}
.footer-bottom a{color:rgba(231,239,234,.6);text-decoration:none;transition:color .25s ease;}
.footer-bottom a:hover{color:var(--signal);}

/* ---------- 入场动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .42s cubic-bezier(.22,1,.36,1),transform .42s cubic-bezier(.22,1,.36,1);}
[data-reveal].is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  [data-reveal]{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#0E3B33;
  --ink-deep:#08211D;
  --accent:#D8F24B;
  --accent-dark:#C6E23B;
  --urgent:#FF4A1C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --text:#0B0E0D;
  --muted:#6B7370;
  --side:236px;
  --gutter:24px;
  --section:56px;
  --radius:8px;
  --pill:999px;
  --shadow-hover:0 10px 30px rgba(11,14,13,.07);
  --ease:cubic-bezier(.22,1,.36,1);
}
@media (min-width:768px){:root{--gutter:40px;--section:72px}}
@media (min-width:1024px){:root{--gutter:56px;--section:96px;--side:236px}}
@media (min-width:1280px){:root{--side:248px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:768px){body{font-size:17px}}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
h1,h2,h3{letter-spacing:-0.02em;font-weight:800}
h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.08;font-weight:900}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.2}
h3{font-size:1.125rem;line-height:1.4;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.num{
  font-variant-numeric:tabular-nums;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,"Courier New",monospace;
  letter-spacing:0;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--section) 0}

/* ===== 侧边栏 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
  background:var(--ink-deep);color:#E8EFE9;
  display:flex;flex-direction:column;
  padding:22px 0 20px;
  transform:translateX(-100%);
  transition:transform .32s var(--ease);
  z-index:70;overflow-y:auto;
}
.sidebar.is-open{transform:none}
.side-head{padding:0 0 18px;border-bottom:1px solid rgba(226,221,210,.12)}
.logo{display:flex;align-items:center;gap:10px;padding:0 22px;min-height:40px}
.logo-mark{
  width:32px;height:32px;flex:0 0 auto;border-radius:10px;
  background:var(--accent);color:#0B0E0D;
  display:grid;place-items:center;font-weight:900;font-size:15px;letter-spacing:-.02em;
}
.logo-text{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.3}
.side-nav{display:flex;flex-direction:column;padding:16px 0 8px}
.nav-label{
  display:block;padding:0 22px 10px;
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;
  color:rgba(232,239,233,.45);
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:8px 18px 8px 20px;margin:2px 12px;
  border-radius:var(--radius);
  font-size:15px;line-height:1.4;color:rgba(232,239,233,.72);
  transition:background .2s ease,color .2s ease;
}
.nav-item .dot{width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.5;flex:0 0 auto}
.nav-item:hover{background:rgba(216,242,75,.08);color:#fff}
.nav-item.is-active{color:#fff;background:rgba(216,242,75,.1)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--accent);border-radius:2px;
}
.nav-item.is-active .dot{background:var(--accent);opacity:1}
.side-sub{
  margin:auto 14px 0;padding:16px;border-radius:var(--radius);
  background:rgba(216,242,75,.08);border:1px solid rgba(216,242,75,.2);
}
.side-sub-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px}
.side-sub-text{font-size:12.5px;line-height:1.7;color:rgba(232,239,233,.62);margin-bottom:12px}
.side-sub .btn{width:100%}

/* ===== 移动顶栏 ===== */
.topbar{
  position:sticky;top:0;z-index:60;height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--bg);border-bottom:1px solid var(--line);
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--ink);letter-spacing:-.01em}
.topbar-brand i{
  width:24px;height:24px;border-radius:8px;background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:900;
}
.burger{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:border-color .2s ease;
}
.burger:hover{border-color:var(--ink)}
.burger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.overlay{
  position:fixed;inset:0;background:rgba(8,33,29,.5);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:65;
}
.overlay.is-show{opacity:1;pointer-events:auto}
.main-wrap{margin-left:0}
@media (min-width:1024px){
  .sidebar{width:var(--side);max-width:none;transform:none}
  .main-wrap{margin-left:var(--side)}
  .topbar{display:none}
  .overlay{display:none}
}

/* ===== 状态条 ===== */
.statusbar{border-bottom:1px solid var(--line);background:var(--bg)}
.statusbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:48px;font-size:13px;color:var(--muted);
}
.statusbar-left{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--ink)}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--urgent);animation:pulse 1.6s ease-in-out infinite;flex:0 0 auto}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}}
.statusbar-right{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== 面包屑 ===== */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{margin:0 8px;color:#C7C1B4}
.crumb .cur{color:var(--text);font-weight:600}

/* ===== 分类 Hero ===== */
.cat-hero{margin-top:20px;background:linear-gradient(180deg,#FFFFFF 0%,#FBFAF6 100%);border-bottom:1px solid var(--line)}
.cat-hero-grid{display:grid;gap:36px;align-items:center;padding-top:44px;padding-bottom:52px}
@media (min-width:1024px){
  .cat-hero-grid{grid-template-columns:1.02fr .98fr;gap:60px;padding-top:60px;padding-bottom:70px}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;
}
.eyebrow em{width:22px;height:1px;background:var(--ink);font-style:normal}
.cat-hero h1{word-break:break-word}
.lead{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--muted);max-width:56ch}
@media (min-width:768px){.lead{font-size:17.5px}}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--pill);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:border-color .2s ease,transform .25s var(--ease),box-shadow .25s var(--ease);
}
.chip:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.cat-hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
}
.cat-hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;
  font-size:13px;color:var(--muted);
}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:7px}
.cat-hero-meta b{color:var(--ink);font-weight:700}

/* ===== 板块标题 ===== */
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head .kicker{
  display:block;font-size:11.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;line-height:1.85}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.tl-item{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:20px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .2s ease;
}
.tl-item + .tl-item{margin-top:16px}
.tl-item::before{
  content:"";position:absolute;left:-20px;top:26px;
  width:13px;height:13px;border-radius:50%;
  background:var(--bg);border:1px solid #CFC8B9;
}
.tl-item.is-soon::before{border-color:var(--urgent);background:var(--urgent)}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D5CFC2}
@media (min-width:768px){
  .tl-item{flex-direction:row;gap:28px;align-items:flex-start}
}
.tl-time{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
@media (min-width:768px){
  .tl-time{flex:0 0 118px;flex-direction:column;gap:2px;align-items:flex-end;text-align:right;padding-top:2px}
}
.tl-date{font-size:13px;color:var(--muted)}
.tl-clock{font-size:17px;font-weight:700;color:var(--ink)}
.tl-body{flex:1 1 auto;min-width:0}
.tl-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.tl-desc{margin-top:9px;font-size:15px;line-height:1.8;color:var(--muted)}
.tl-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13.5px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.tl-more:hover{border-color:var(--ink)}
.tl-more span{transition:transform .25s var(--ease)}
.tl-more:hover span{transform:translateX(3px)}

.tl-sep{display:flex;align-items:center;gap:14px;margin:34px 0 20px;padding-left:0}
.tl-sep span{
  font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink);white-space:nowrap;
}
.tl-sep i{display:block;flex:1 1 auto;height:1px;background:var(--line)}

/* ===== 徽标 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--pill);font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
}
.badge-replay{border:1px solid var(--line);color:var(--muted);background:#fff}
.badge-soon{background:rgba(255,74,28,.09);color:#C22F0C;border:1px solid rgba(255,74,28,.28)}
.badge-wait{border:1px solid rgba(14,59,51,.28);color:var(--ink);background:#fff}
.badge-live{background:var(--ink);color:#EAF3EC;border:1px solid var(--ink)}
.badge-live i{width:6px;height:6px;border-radius:50%;background:var(--urgent);display:block}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s var(--ease),opacity .22s ease;
}
.btn-primary{background:var(--accent);color:#0B0E0D}
.btn-primary:hover{background:var(--accent-dark);transform:translateX(1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ===== 要点清单 ===== */
.point-list{display:grid;gap:16px}
@media (min-width:900px){.point-list{grid-template-columns:1fr 1fr;gap:18px 28px}}
.point{
  display:flex;gap:14px;padding:20px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:3px;
  background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-size:12px;font-weight:900;
}
.point h3{font-size:1rem;margin-bottom:6px}
.point p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ===== FAQ ===== */
.faq-list{max-width:860px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:#D5CFC2}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.5;
}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;
  color:var(--ink);transition:transform .26s var(--ease);font-size:14px;font-weight:900;
}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ===== CTA 带 ===== */
.cta-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#FBFAF6}
.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding-top:56px;padding-bottom:56px}
@media (min-width:1024px){.cta-inner{padding-top:72px;padding-bottom:72px}}
.cta-inner p{color:var(--muted);font-size:15.5px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:6px}

/* ===== 页脚 ===== */
.footer{background:var(--ink-deep);color:rgba(232,239,233,.7);padding:56px 0 0;margin-top:0}
@media (min-width:1024px){.footer{padding-top:72px}}
.footer-grid{display:grid;gap:36px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}}
.footer-brand{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(232,239,233,.62);max-width:42ch}
.footer-title{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:rgba(232,239,233,.5);margin-bottom:14px}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14px;color:rgba(232,239,233,.72);transition:color .2s ease}
.footer ul a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-direction:column;gap:10px;
  margin-top:44px;padding-top:22px;padding-bottom:26px;
  border-top:1px solid rgba(226,221,210,.14);
  font-size:13px;color:rgba(232,239,233,.5);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{transition:color .2s ease}
.footer-bottom a:hover{color:var(--accent)}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0E3B33;
  --ink-deep:#08211D;
  --accent:#D8F24B;
  --live:#FF4A1C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --text:#0B0E0D;
  --muted:#6B7370;
  --radius:8px;
  --pill:999px;
  --shadow:0 10px 30px rgba(11,14,13,.07);
  --sidebar-w:236px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink-deep);
  color:#E8EDE9;
  display:flex;
  flex-direction:column;
  z-index:60;
  transition:transform .32s cubic-bezier(.22,1,.36,1);
}
.brand{
  display:flex;align-items:center;gap:10px;
  min-height:40px;padding:0 16px;
  font-weight:800;letter-spacing:-.02em;
}
.sidebar .brand{padding-top:22px;padding-bottom:18px;color:#F3F7F3;font-size:16px}
.brand-mark{
  width:30px;height:30px;flex:none;
  border-radius:10px;background:var(--accent);color:#0B0E0D;
  display:grid;place-items:center;font-size:14px;font-weight:900;
}
.nav-label{
  display:block;padding:16px 16px 8px;
  font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(232,237,233,.48);
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;
  font-size:15px;color:rgba(232,237,233,.78);
  border-left:3px solid transparent;
  transition:background .24s,color .24s,border-color .24s;
}
.side-nav .nav-item + .nav-item{border-top:1px solid rgba(255,255,255,.07)}
.nav-item .dot{width:6px;height:6px;flex:none;border-radius:50%;background:rgba(232,237,233,.35);transition:background .24s}
.nav-item:hover{background:rgba(216,242,75,.08);color:#FFFFFF}
.nav-item:hover .dot{background:rgba(216,242,75,.6)}
.nav-item.is-active{
  border-left-color:var(--accent);
  background:rgba(216,242,75,.07);
  color:#FFFFFF;font-weight:700;
}
.nav-item.is-active .dot{background:var(--accent)}
.sidebar-foot{margin-top:auto;padding:16px}
.sub-card{
  background:rgba(216,242,75,.07);
  border:1px solid rgba(216,242,75,.24);
  border-radius:var(--radius);
  padding:14px;
}
.sub-tag{
  font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
}
.sub-card p{font-size:13px;line-height:1.7;color:rgba(232,237,233,.7);margin:8px 0 12px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,33,29,.5);
  opacity:0;pointer-events:none;transition:opacity .3s;z-index:55;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- 移动顶部栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  height:56px;display:flex;align-items:center;gap:12px;
  padding:0 16px;background:var(--bg);border-bottom:1px solid var(--line);
}
.topbar .brand{padding:0;color:var(--text);font-size:16px}
.topbar .brand-mark{background:var(--ink);color:var(--accent)}
.burger{
  width:40px;height:40px;flex:none;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  color:var(--ink);cursor:pointer;transition:border-color .24s,background .24s;
}
.burger:hover{border-color:var(--ink);background:#FFFFFF}
.burger span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.burger span::before{top:-5px}
.burger span::after{top:5px}

/* ---------- 主区 ---------- */
.main-area{margin-left:var(--sidebar-w)}
.statusbar{
  height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 24px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);background:var(--bg);
}
.status-left{display:flex;align-items:center;gap:10px;min-width:0}
.status-left strong{color:var(--text);font-weight:700}
.live-dot{
  width:8px;height:8px;flex:none;border-radius:50%;background:var(--live);
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--muted);padding:26px 0 0;
}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B9B3A6}
.crumb .is-current{color:var(--text)}

/* ---------- Hero ---------- */
.hero{
  display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;
  padding:38px 0 0;
}
.eyebrow{
  display:inline-block;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink);border:1px solid var(--ink);border-radius:var(--pill);padding:5px 12px;
}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  line-height:1.08;font-weight:900;letter-spacing:-.02em;
  margin:16px 0 16px;
}
.lead{font-size:17px;color:var(--muted);max-width:34ch;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{
  margin-top:22px;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:13px;color:var(--muted);letter-spacing:.01em;
}
.hero-meta b{color:var(--ink);font-weight:700}
.hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,background .25s,border-color .25s,color .25s;
}
.btn-primary{background:var(--accent);color:#0B0E0D;border-color:var(--accent)}
.btn-primary:hover{background:#C9E63C;transform:translate(1px,-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#FFFFFF;transform:translate(1px,-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;transform:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink);
  transition:width .3s cubic-bezier(.22,1,.36,1);
}
.btn-link:hover::after{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding-top:96px}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  margin-bottom:34px;
}
.sec-head .sec-desc{max-width:640px}
.sec-title{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:900;letter-spacing:-.02em}
.sec-desc{color:var(--muted);margin-top:10px;font-size:16px}
.label{
  display:inline-block;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink);margin-bottom:12px;
}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 图文交替 ---------- */
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.feature + .feature{margin-top:96px}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
}
.feature.reverse .feature-media{order:2}
.feature-title{
  font-size:clamp(1.35rem,2.1vw,1.8rem);font-weight:900;letter-spacing:-.02em;line-height:1.25;
  margin:10px 0 14px;
}
.feature-body p{color:var(--muted);margin-bottom:18px}
.point-list li{
  position:relative;padding-left:24px;margin-bottom:10px;font-size:16px;color:var(--text);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:12px;height:2px;background:var(--ink);
}
.point-list li b{color:var(--ink);font-weight:700}

/* ---------- 对比清单 ---------- */
.spec-shell{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  overflow-x:auto;
}
table.spec{width:100%;min-width:600px;border-collapse:collapse;font-size:15px}
.spec thead th{
  background:#F1EEE7;color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:16px 22px;text-align:left;border-bottom:1px solid var(--line);
}
.spec tbody th,.spec tbody td{
  padding:16px 22px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);
}
.spec tbody th{width:190px;font-weight:700;color:var(--ink)}
.spec tbody td{color:var(--muted)}
.spec tbody tr:last-child th,.spec tbody tr:last-child td{border-bottom:0}
.spec tbody tr:hover{background:#FBFAF7}
.spec .num{color:var(--text)}

/* ---------- 徽标 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--pill);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
}
.tag-ink{border:1px solid var(--ink);color:var(--ink)}
.tag-time{color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:22px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;color:var(--text);
  transition:color .24s;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--ink)}
.chev{
  flex:none;color:var(--ink);font-size:20px;line-height:1;
  transition:transform .26s cubic-bezier(.22,1,.36,1);
}
details[open] .chev{transform:rotate(90deg)}
.faq-a{
  padding:0 0 24px;color:var(--muted);font-size:15px;line-height:1.85;max-width:840px;
}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.entry-thumb{overflow:hidden}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.entry-card:hover img{transform:scale(1.04)}
.entry-body{padding:24px}
.entry-body h3{font-size:1.125rem;font-weight:700;margin-bottom:8px}
.entry-body p{color:var(--muted);font-size:15px;margin-bottom:14px}

/* ---------- 订阅 CTA ---------- */
.cta-block{
  margin-top:96px;
  background:var(--ink-deep);color:#F1F5F1;
  padding:72px 24px;
}
.cta-inner{
  max-width:1040px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.cta-inner h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:900;color:#FFFFFF;margin-bottom:12px}
.cta-inner .cta-note{color:rgba(232,237,233,.72);font-size:16px}
.sub-form{display:flex;flex-wrap:wrap;gap:12px}
.sub-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--radius);
  border:1px solid rgba(232,237,233,.28);background:rgba(255,255,255,.06);color:#FFFFFF;
  transition:border-color .24s,box-shadow .24s,background .24s;
}
.sub-form input::placeholder{color:rgba(232,237,233,.5)}
.sub-form input:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(216,242,75,.18);
}
.form-msg{font-size:13px;margin-top:10px;min-height:20px;color:rgba(232,237,233,.7)}
.form-msg.is-ok{color:var(--accent)}
.form-msg.is-error{color:#FF8A6A}
.privacy-note{font-size:13px;color:rgba(232,237,233,.55);margin-top:10px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:rgba(232,237,233,.8);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-top:64px;padding-bottom:44px;
}
.footer-brand{color:#FFFFFF;font-size:18px;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(232,237,233,.66);max-width:34ch}
.footer-title{
  font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.footer li{margin-bottom:10px;font-size:14px}
.footer a{transition:color .24s}
.footer a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;padding-bottom:28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(232,237,233,.6);
}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .42s cubic-bezier(.22,1,.36,1),transform .42s cubic-bezier(.22,1,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .topbar{display:flex}
  .drawer-mask{display:block}
  .sidebar{width:280px;transform:translateX(-100%)}
  .sidebar.is-open{transform:translateX(0)}
  .main-area{margin-left:0}
  .section{padding-top:72px}
  .feature + .feature{margin-top:72px}
  .cta-block{margin-top:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-top:48px}
}
@media (min-width:1024px){
  .topbar{display:none}
  .drawer-mask{display:none}
  .wrap{padding:0 40px}
}
@media (min-width:1280px){
  .wrap{padding:0 56px}
}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:28px;padding-top:28px}
  .lead{max-width:none}
  .feature{grid-template-columns:1fr;gap:24px}
  .feature.reverse .feature-media{order:0}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .entry-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85}
  .wrap{padding:0 20px}
  .statusbar{padding:0 20px;font-size:12px}
  .statusbar .status-right{display:none}
  .section{padding-top:56px}
  .feature + .feature{margin-top:56px}
  .cta-block{margin-top:56px;padding:52px 20px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}