/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0B1220;
  --bg-2:#101A2B;
  --brand:#E11D48;
  --brand-hover:#F43F5E;
  --brand-active:#BE123C;
  --data:#22D3EE;
  --txt:#E6EDF7;
  --txt-sub:#9AA9BF;
  --txt-weak:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-card:18px;
  --radius-panel:22px;
  --radius-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(225,29,72,.35);
  --container:1240px;
  --mono:ui-monospace,SFMono-Regular,"DIN Alternate",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--txt);
  font-family:'PingFang SC','HarmonyOS Sans','Source Han Sans',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out,transform .2s ease-out;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--data);outline-offset:2px;}

/* ---------- 容器 ---------- */
.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 顶栏细条 ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(225,29,72,.16),rgba(5,8,15,0) 60%);
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-status{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--txt-sub);}
.topbar-label{color:var(--txt-weak);}
.topbar-val{color:var(--txt);font-weight:600;}
.topbar-sep{color:var(--txt-weak);}
.topbar-note{color:var(--txt-weak);}
.dot-live{
  width:8px;height:8px;border-radius:999px;background:var(--brand);
  box-shadow:0 0 0 4px rgba(225,29,72,.18);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(225,29,72,.16);}
  50%{box-shadow:0 0 0 7px rgba(225,29,72,.06);}
}
.topbar-link{
  color:var(--data);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.topbar-link i{transition:transform .2s ease-out;}
.topbar-link:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.72);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease-out,backdrop-filter .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(11,18,32,.76);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 28px rgba(0,0,0,.42);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:76px;
  transition:height .25s ease-out;
}
.site-header.is-scrolled .nav-wrap{height:68px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--txt-sub);
  padding:10px 12px;
  border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--txt);background:rgba(255,255,255,.03);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--txt);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  top:6px;right:8px;
  width:6px;height:6px;border-radius:999px;
  background:var(--data);
  box-shadow:0 0 8px rgba(34,211,238,.7);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 10px;
  border-radius:14px;
}
.brand-mark{
  width:26px;height:26px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  border-radius:6px 12px 6px 12px;
  transform:rotate(-8deg);
  box-shadow:0 0 16px rgba(225,29,72,.4);
  flex:0 0 auto;
}
.brand-name{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--txt);
}
.brand:hover .brand-name{color:#fff;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--txt);
  font-size:17px;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(11,18,32,.98);
  padding:8px 0 18px;
}
.mobile-drawer.is-open{display:block;animation:drawerDown .22s ease-out;}
@keyframes drawerDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  padding:0 24px;
  color:var(--txt-sub);
  font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--txt);background:rgba(255,255,255,.03);}
.mobile-drawer a.is-active{color:var(--brand-hover);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-hover),var(--brand));transform:translateY(-1px);box-shadow:0 0 30px rgba(244,63,94,.45);}
.btn-primary:active{transform:translateY(1px);background:var(--brand-active);box-shadow:0 0 14px rgba(190,18,60,.4);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--txt);
}
.btn-ghost:hover{border-color:rgba(225,29,72,.5);background:rgba(225,29,72,.06);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--data);
  font-weight:600;
  font-size:14px;
}
.link-arrow i{transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 徽标 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.6;
}
.badge-live{background:var(--brand);color:#fff;box-shadow:0 0 18px rgba(225,29,72,.5);}
.badge-soft{background:rgba(34,211,238,.1);color:var(--data);border:1px solid rgba(34,211,238,.28);}
.badge-line{border:1px solid var(--line-strong);color:var(--txt-sub);}
.live-dot{
  width:6px;height:6px;border-radius:999px;background:#fff;
  animation:pulse 2s ease-in-out infinite;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:radial-gradient(120% 90% at 8% 0%,rgba(225,29,72,.06),transparent 55%),
             radial-gradient(90% 80% at 92% 10%,rgba(34,211,238,.05),transparent 60%),
             linear-gradient(180deg,var(--bg-1),var(--bg-0) 78%);
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 1px,transparent 1px 14px);
  opacity:.08;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,.95fr);
  gap:40px;
  align-items:center;
  padding-top:56px;
  padding-bottom:64px;
  min-height:600px;
}
.hero-title{
  font-size:46px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:.01em;
  margin:18px 0 14px;
}
.hero-title em{
  font-style:normal;
  color:var(--brand-hover);
}
.hero-sub{
  font-size:17px;
  color:var(--txt-sub);
  max-width:520px;
  margin-bottom:26px;
}
.hero-cover{
  position:relative;
  margin:0;
  border-radius:var(--radius-panel);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--bg-2);
}
.hero-cover::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(225,29,72,0));
  z-index:2;
}
.hero-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .35s ease-out;
}
.hero-cover:hover img{transform:scale(1.03);}
.cover-badge{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(5,8,15,.72);
  border:1px solid var(--line-strong);
  font-size:12px;
  color:var(--txt);
  backdrop-filter:blur(6px);
}

/* 倒计时面板（玻璃） */
.countdown-panel{
  border-radius:var(--radius-panel);
  border:1px solid var(--line-strong);
  background:rgba(16,26,43,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cd-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}
.cd-title{font-size:15px;font-weight:600;color:var(--txt);}
.cd-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  align-items:center;
  margin-bottom:6px;
}
.cd-cell{
  text-align:center;
  padding:12px 4px 10px;
  border-radius:14px;
  background:rgba(5,8,15,.55);
  border:1px solid var(--line);
}
.cd-num{
  display:block;
  font-family:var(--mono);
  font-size:40px;
  line-height:1.1;
  font-weight:700;
  color:var(--brand-hover);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.cd-unit{display:block;font-size:12px;color:var(--txt-weak);margin-top:2px;}
.cd-colon{
  font-family:var(--mono);
  font-size:22px;
  color:var(--data);
  text-align:center;
  animation:blink 1.6s steps(2,start) infinite;
}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.2;}}
.cd-note{
  font-size:13px;
  color:var(--txt-weak);
  margin:12px 0 18px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.cd-note strong{color:var(--txt-sub);font-weight:600;}
.countdown-panel .btn{width:100%;}
.cd-tip{font-size:12px;color:var(--txt-weak);margin-top:10px;text-align:center;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-1);}
.section-elev{background:var(--bg-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.section-title{
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:.01em;
}
.section-desc{
  color:var(--txt-sub);
  font-size:15px;
  max-width:720px;
  margin-bottom:32px;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  color:var(--data);
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:10px;
}

/* ---------- 看点时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:34px;
  display:grid;
  gap:22px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:8px;bottom:8px;
  width:1px;
  background:linear-gradient(180deg,rgba(34,211,238,.55),rgba(34,211,238,.05));
}
.tl-item{position:relative;padding:18px 22px;border-radius:var(--radius-card);background:var(--bg-2);border:1px solid var(--line);transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-30px;top:26px;
  width:10px;height:10px;
  border-radius:999px;
  background:var(--data);
  box-shadow:0 0 0 4px rgba(34,211,238,.14);
}
.tl-item:hover{border-color:rgba(225,29,72,.42);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.tl-idx{
  font-family:var(--mono);
  font-size:13px;
  color:var(--brand-hover);
  font-weight:700;
  margin-right:10px;
}
.tl-title{display:inline;font-size:19px;font-weight:600;}
.tl-text{color:var(--txt-sub);font-size:14px;margin-top:8px;}
.tl-time{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--data);
  margin-top:12px;
}

/* ---------- 订阅区 ---------- */
.sub-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  padding:36px;
  border-radius:var(--radius-panel);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.sub-list{display:grid;gap:12px;margin-top:18px;}
.sub-list li{display:flex;gap:10px;align-items:flex-start;color:var(--txt-sub);font-size:14px;}
.sub-list i{color:var(--data);margin-top:5px;}
.form-row{display:flex;gap:12px;flex-wrap:wrap;}
.field{flex:1 1 220px;min-width:0;}
.field label{display:block;font-size:13px;color:var(--txt-weak);margin-bottom:8px;}
.input{
  width:100%;
  padding:14px 16px;
  border-radius:var(--radius-btn);
  background:rgba(5,8,15,.7);
  border:1px solid var(--line);
  color:var(--txt);
  font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.input::placeholder{color:var(--txt-weak);font-size:14px;}
.input:focus{
  outline:none;
  border-color:var(--data);
  box-shadow:0 0 0 3px rgba(34,211,238,.14);
}
.input.is-error{border-color:var(--brand);}
.form-hint{font-size:12px;color:var(--txt-weak);margin-top:12px;line-height:1.7;}
.form-error{font-size:12px;color:var(--brand-hover);margin-top:8px;display:none;}
.form-error.is-show{display:block;}
.form-success{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(34,211,238,.35);
  background:rgba(34,211,238,.08);
  color:var(--txt);
  font-size:14px;
}
.form-success.is-show{display:block;}

/* ---------- 回放与分类入口 ---------- */
.replay-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:24px;
}
.replay-main{
  position:relative;
  display:block;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.replay-main::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(225,29,72,0));
  z-index:2;
}
.replay-main img{aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out;}
.replay-main:hover img{transform:scale(1.03);}
.replay-body{padding:22px;}
.replay-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.replay-body p{font-size:14px;color:var(--txt-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.replay-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--txt-weak);}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.entry-card{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:14px;
  padding:20px;
  border-radius:var(--radius-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.entry-card:hover{border-color:rgba(225,29,72,.42);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.entry-card h3{font-size:17px;font-weight:600;}
.entry-card p{font-size:13px;color:var(--txt-sub);}
.entry-icon{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(225,29,72,.12);
  border:1px solid rgba(225,29,72,.28);
  color:var(--brand-hover);
  font-size:15px;
}

/* ---------- CMS 列表 ---------- */
.cms-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.cms-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.cms-card:hover{border-color:rgba(225,29,72,.42);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.cms-thumb{overflow:hidden;border-bottom:1px solid var(--line);}
.cms-thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .35s ease-out;}
.cms-card:hover .cms-thumb img{transform:scale(1.03);}
.cms-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cms-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-desc{
  font-size:14px;
  color:var(--txt-sub);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.cms-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--txt-weak);
  border-top:1px solid var(--line);
  padding-top:14px;
}
.cms-meta .link-arrow{font-size:13px;}
.cms-empty{
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  padding:56px 24px;
  text-align:center;
  background:rgba(16,26,43,.5);
}
.cms-empty i{font-size:26px;color:var(--txt-weak);}
.cms-empty p{color:var(--txt-sub);font-size:15px;margin:14px 0 20px;}
.cms-foot{display:flex;justify-content:center;margin-top:40px;}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;
}
.stat-cell{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:none;}
.stat-num{
  font-family:var(--mono);
  font-size:34px;
  font-weight:700;
  color:var(--data);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:16px;color:var(--txt-sub);margin-left:4px;font-family:inherit;}
.stat-label{font-size:14px;color:var(--txt);margin-top:8px;font-weight:600;}
.stat-text{font-size:13px;color:var(--txt-weak);margin-top:4px;}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.step{
  padding:24px 22px;
  border-radius:var(--radius-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);}
.step-no{
  font-family:var(--mono);
  font-size:13px;
  color:var(--data);
  letter-spacing:.12em;
}
.step h3{font-size:17px;font-weight:600;margin:12px 0 8px;}
.step p{font-size:14px;color:var(--txt-sub);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border-radius:16px;
  background:var(--bg-2);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .2s ease-out;
}
.faq-item[open]{border-color:rgba(225,29,72,.4);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-hover);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--data);
  font-size:13px;
  transition:transform .22s ease-out,background-color .22s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(34,211,238,.12);}
.faq-body{
  padding:0 22px 22px;
  font-size:14px;
  color:var(--txt-sub);
  line-height:1.8;
  animation:fadeIn .22s ease-out;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- 底部 CTA ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:34px 36px;
  border-radius:var(--radius-panel);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band h2{font-size:26px;font-weight:700;}
.cta-band p{color:var(--txt-sub);font-size:14px;margin-top:10px;max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(60% 80% at 12% 0%,rgba(225,29,72,.06),transparent 60%),
                   radial-gradient(50% 70% at 88% 10%,rgba(34,211,238,.05),transparent 60%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-text{font-size:14px;color:var(--txt-sub);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--txt-sub);}
.footer-links a:hover{color:var(--brand-hover);}
.footer-note{font-size:13px;color:var(--txt-weak);line-height:1.9;}
.footer-bottom{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--txt-weak);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container-x{padding-left:20px;padding-right:20px;}
  .hero-title{font-size:40px;}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-wrap{height:64px;}
  .site-header.is-scrolled .nav-wrap{height:58px;}
  .brand-name{font-size:17px;}
  .hero-grid{
    grid-template-columns:1fr;
    gap:32px;
    min-height:auto;
    padding-top:40px;
    padding-bottom:48px;
  }
  .hero-title{font-size:34px;}
  .section{padding:72px 0;}
  .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-cell{border-bottom:1px solid var(--line);}
  .stat-cell:nth-child(2n){border-right:none;}
  .stat-cell:nth-last-child(-n+2){border-bottom:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sub-grid{grid-template-columns:1fr;gap:28px;padding:28px;}
  .replay-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 36px;}
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px;}
  body{font-size:15px;}
  .hero-title{font-size:29px;}
  .hero-sub{font-size:15px;}
  .section{padding:56px 0;}
  .section-title{font-size:22px;}
  .section-desc{font-size:14px;margin-bottom:24px;}
  .cd-num{font-size:24px;}
  .cd-cell{padding:10px 2px 8px;}
  .cms-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr;}
  .stat-cell{border-right:none;}
  .stat-cell:not(:last-child){border-bottom:1px solid var(--line);}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .topbar-note{display:none;}
}
@media (max-width:519px){
  .hero-title{font-size:26px;}
  .cd-num{font-size:21px;}
  .cd-grid{gap:6px;}
  .btn{width:100%;}
  .btn.btn-inline{width:auto;}
  .hero-cover .cover-badge{left:12px;bottom:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: article */
:root{
    --bg-0:#05080F;
    --bg-1:#0B1220;
    --bg-2:#101A2B;
    --bg-3:#16233A;
    --red:#E11D48;
    --red-h:#F43F5E;
    --red-a:#BE123C;
    --cyan:#22D3EE;
    --t1:#E6EDF7;
    --t2:#9AA9BF;
    --t3:#6B7A90;
    --line:rgba(255,255,255,.08);
    --line-2:rgba(255,255,255,.16);
    --r-card:18px;
    --r-panel:22px;
    --r-btn:12px;
    --sh-card:0 12px 32px rgba(0,0,0,.45);
    --sh-inset:inset 0 1px 0 rgba(255,255,255,.06);
    --sh-glow:0 0 24px rgba(225,29,72,.35);
    --sp:96px;
    --container:1240px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--t1);
    font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button,input{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
  .container-x{max-width:var(--container);margin:0 auto;padding:0 24px;}

  /* ---------- 顶栏细条 ---------- */
  .topbar{background:linear-gradient(90deg,rgba(225,29,72,.16),rgba(34,211,238,.10));border-bottom:1px solid var(--line);}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;font-size:13px;color:var(--t2);}
  .topbar-left{display:flex;align-items:center;gap:10px;}
  .pulse-dot{width:8px;height:8px;border-radius:999px;background:var(--red);box-shadow:0 0 0 0 rgba(225,29,72,.6);animation:pulse 2s infinite;}
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(225,29,72,.55);}
    70%{box-shadow:0 0 0 12px rgba(225,29,72,0);}
    100%{box-shadow:0 0 0 0 rgba(225,29,72,0);}
  }
  @media (prefers-reduced-motion: reduce){.pulse-dot{animation:none;}}
  .topbar a{color:var(--cyan);}
  .topbar a:hover{color:#fff;}

  /* ---------- 导航 ---------- */
  .site-head{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.9);border-bottom:1px solid transparent;transition:background .25s ease-out,border-color .25s ease-out;}
  .site-head.is-scrolled{background:rgba(11,18,32,.72);backdrop-filter:blur(14px);border-bottom-color:var(--line);}
  .nav-shell{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:76px;transition:height .25s ease-out;}
  .site-head.is-scrolled .nav-shell{height:68px;}
  .nav-slot{display:flex;align-items:center;}
  .nav-slot-left{justify-content:flex-start;}
  .nav-slot-right{justify-content:flex-end;}
  .nav-left{display:flex;align-items:center;gap:26px;}
  .nav-right{display:flex;align-items:center;gap:18px;}
  .nav-link{position:relative;font-size:15px;color:var(--t2);padding:6px 2px;transition:color .2s ease-out;}
  .nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .25s ease-out;}
  .nav-link:hover{color:var(--t1);}
  .nav-link:hover::after{width:100%;}
  .nav-link.is-active{color:var(--t1);}
  .nav-link.is-active::after{width:100%;}
  .nav-link.is-active::before{content:"";position:absolute;right:-11px;top:50%;width:5px;height:5px;border-radius:999px;background:var(--cyan);transform:translateY(-50%);box-shadow:0 0 8px var(--cyan);}
  .brand{display:flex;align-items:center;gap:10px;justify-self:center;}
  .brand-mark{width:26px;height:26px;display:inline-block;background:linear-gradient(135deg,var(--red),var(--red-a));clip-path:polygon(0 0,100% 0,100% 62%,50% 100%,0 62%);box-shadow:0 0 14px rgba(225,29,72,.4);}
  .brand-name{font-weight:700;font-size:18px;letter-spacing:.01em;white-space:nowrap;}
  .nav-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line-2);border-radius:12px;background:transparent;color:var(--t1);cursor:pointer;transition:border-color .2s ease-out,background .2s ease-out;}
  .nav-burger:hover{border-color:var(--red-h);}
  .nav-cta-mobile{display:none;}
  .drawer{position:absolute;left:0;right:0;top:100%;background:rgba(11,18,32,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(14px);transform:translateY(-12px);opacity:0;visibility:hidden;transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;max-height:calc(100vh - 76px);overflow-y:auto;}
  .drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .drawer-inner{padding:8px 24px 24px;}
  .drawer-link{display:flex;align-items:center;justify-content:space-between;height:48px;border-bottom:1px solid var(--line);font-size:15px;color:var(--t2);}
  .drawer-link:hover{color:#fff;}
  .drawer-link i{color:var(--t3);font-size:12px;}
  .mask{position:fixed;inset:0;background:rgba(5,8,15,.72);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:55;}
  .mask.is-open{opacity:1;visibility:visible;}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,filter .2s ease-out;}
  .btn-primary{background:linear-gradient(135deg,var(--red),var(--red-a));color:#fff;box-shadow:var(--sh-glow);}
  .btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(1px);background:var(--red-a);}
  .btn-ghost{background:transparent;border-color:var(--line-2);color:var(--t1);}
  .btn-ghost:hover{border-color:var(--red-h);color:#fff;}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:14px;font-weight:600;}
  .link-arrow i{transition:transform .2s ease-out;}
  .link-arrow:hover i{transform:translateX(3px);}

  /* ---------- 徽标 / 标签 ---------- */
  .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;line-height:1.6;border:1px solid var(--line-2);color:var(--t2);background:rgba(255,255,255,.03);}
  .badge-red{border-color:rgba(225,29,72,.45);color:#FFD8E1;background:rgba(225,29,72,.16);}
  .badge-cyan{border-color:rgba(34,211,238,.4);color:#C9F6FF;background:rgba(34,211,238,.12);}
  .tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg-2);font-size:13px;color:var(--t2);transition:border-color .2s ease-out,color .2s ease-out;}
  .tag:hover{border-color:rgba(225,29,72,.5);color:#fff;}

  /* ---------- 文章头部 ---------- */
  .article-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(11,18,32,.96),var(--bg-0));border-bottom:1px solid var(--line);}
  .article-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.15;}
  .article-hero::after{content:"";position:absolute;inset:0;background:
    radial-gradient(640px 260px at 10% 0%,rgba(225,29,72,.18),transparent 70%),
    radial-gradient(560px 240px at 92% 10%,rgba(34,211,238,.12),transparent 72%),
    repeating-linear-gradient(45deg,rgba(255,255,255,.02) 0 2px,transparent 2px 14px);}
  .article-hero > *{position:relative;z-index:2;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;font-size:13px;color:var(--t3);}
  .crumb a{color:var(--t3);transition:color .2s ease-out;}
  .crumb a:hover{color:var(--t1);}
  .crumb .sep{opacity:.55;}
  .crumb .now{color:var(--t2);max-width:min(560px,72vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .head-block{padding:26px 0 40px;max-width:860px;}
  .head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-bottom:16px;}
  .head-title{font-size:46px;line-height:1.22;letter-spacing:.01em;font-weight:700;margin:0 0 18px;max-width:900px;}
  .meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
  .meta-line .dot{color:var(--t3);opacity:.6;}
  .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}

  /* ---------- 布局 ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding:56px 0 0;border-bottom:1px solid var(--line);}
  .cover-fig{margin:0 0 36px;}
  .cover-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-card);}
  .cover-fig figcaption{margin-top:12px;font-size:13px;color:var(--t3);}

  /* ---------- 正文排版 ---------- */
  .article-body{max-width:760px;font-size:16px;line-height:1.75;color:#D9E3F0;}
  .article-body p{margin:0 0 18px;}
  .article-body h2{position:relative;font-size:28px;line-height:1.4;font-weight:600;margin:40px 0 16px;padding-left:16px;color:var(--t1);}
  .article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;background:var(--red);}
  .article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--t1);}
  .article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--t1);}
  .article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px;}
  .article-body li{margin:8px 0;line-height:1.8;}
  .article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--bg-2);border-left:3px solid var(--cyan);border-radius:0 14px 14px 0;color:var(--t2);}
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--line);}
  .article-body figure{margin:24px 0;}
  .article-body figure figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px;}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:22px 0;}
  .article-body thead th{background:rgba(225,29,72,.16);color:var(--t1);font-weight:600;}
  .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap;}
  .article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
  .article-body a{color:var(--cyan);border-bottom:1px solid rgba(34,211,238,.35);}
  .article-body a:hover{color:#fff;border-bottom-color:#fff;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
  .article-body code{background:var(--bg-3);padding:2px 7px;border-radius:6px;font-size:14px;}

  /* ---------- 侧栏 ---------- */
  .side{display:flex;flex-direction:column;gap:20px;}
  .side-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card),var(--sh-inset);}
  .side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;margin:0 0 14px;color:var(--t1);}
  .side-title i{color:var(--red);font-size:13px;}
  .toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
  .toc-list a{display:block;font-size:14px;color:var(--t2);padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;}
  .toc-list a:hover{color:#fff;border-left-color:var(--red);background:rgba(255,255,255,.04);}
  .toc-empty{font-size:13px;color:var(--t3);}
  .rel-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
  .rel-list a{display:block;font-size:14.5px;line-height:1.6;color:var(--t1);transition:color .2s ease-out;}
  .rel-list a:hover{color:var(--red-h);}
  .rel-list .rel-time{display:block;margin-top:4px;font-size:13px;color:var(--t3);}
  .side-glass{background:rgba(255,255,255,.05);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.13);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);}
  .side-glass p{font-size:13.5px;color:var(--t2);margin:0 0 12px;line-height:1.65;}
  .field{width:100%;background:#0A1524;border:1px solid var(--line-2);border-radius:12px;padding:12px 14px;font-size:14px;color:var(--t1);transition:border-color .2s ease-out,box-shadow .2s ease-out;}
  .field::placeholder{color:var(--t3);}
  .field:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.18);}
  .form-row{display:flex;flex-direction:column;gap:10px;}
  .form-note{font-size:12.5px;color:var(--t3);margin:10px 0 0;}
  .form-ok{display:none;margin-top:10px;font-size:13px;color:var(--cyan);}
  .form-ok.is-on{display:block;}
  .side{position:sticky;top:100px;}

  /* ---------- 卡片 ---------- */
  .card{position:relative;display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card),var(--sh-inset);overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;}
  .card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--red),rgba(225,29,72,0));}
  .card:hover{transform:translateY(-4px);border-color:rgba(225,29,72,.42);box-shadow:0 18px 40px rgba(0,0,0,.55);}
  .card-body{padding:22px;display:flex;flex-direction:column;gap:12px;height:100%;}
  .card-title{font-size:17px;font-weight:600;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-text{font-size:14px;color:var(--t2);line-height:1.65;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--t3);}
  .card-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;}

  /* ---------- 区块标题 ---------- */
  .sec{padding:var(--sp) 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
  .sec-title{font-size:28px;font-weight:600;line-height:1.35;margin:0;}
  .sec-sub{margin:8px 0 0;font-size:14px;color:var(--t2);max-width:640px;}
  .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

  /* ---------- 标签行 ---------- */
  .tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:32px 0 0;max-width:760px;}
  .tag-row .label{font-size:13px;color:var(--t3);}

  /* ---------- CTA ---------- */
  .cta-bar{background:linear-gradient(120deg,var(--bg-2),var(--bg-1));border:1px solid var(--line);border-radius:var(--r-panel);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-card);}
  .cta-bar h2{margin:0 0 8px;font-size:24px;font-weight:600;}
  .cta-bar p{margin:0;font-size:14px;color:var(--t2);}
  .cta-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

  /* ---------- 空态 ---------- */
  .empty-state{border:1px dashed var(--line-2);border-radius:var(--r-card);padding:64px 24px;text-align:center;background:var(--bg-1);}
  .empty-state i{font-size:26px;color:var(--t3);}
  .empty-state h2{margin:16px 0 8px;font-size:20px;font-weight:600;}
  .empty-state p{margin:0 0 20px;font-size:14px;color:var(--t2);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-1);border-top:1px solid var(--line);position:relative;overflow:hidden;}
  .site-footer::before{content:"";position:absolute;inset:0;background:
    radial-gradient(520px 220px at 8% 0%,rgba(225,29,72,.10),transparent 70%),
    radial-gradient(460px 200px at 92% 10%,rgba(34,211,238,.08),transparent 72%);
    pointer-events:none;}
  .site-footer > *{position:relative;z-index:2;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-text{font-size:14px;color:var(--t2);margin:0;max-width:340px;line-height:1.75;}
  .footer-title{font-size:15px;font-weight:600;margin:0 0 16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:var(--t2);transition:color .2s ease-out;}
  .footer-links a:hover{color:var(--red-h);}
  .footer-note{font-size:13.5px;color:var(--t3);margin:0;line-height:1.75;}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0 28px;font-size:13px;color:var(--t3);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container-x{padding:0 20px;}
    :root{--sp:80px;}
  }
  @media (max-width:1023px){
    .nav-left,.nav-right{display:none;}
    .nav-burger{display:inline-flex;}
    .nav-cta-mobile{display:inline-flex;}
    .layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:40px;}
    .side{position:static;}
    .head-title{font-size:34px;}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
    .cta-bar{flex-direction:column;align-items:flex-start;padding:28px;}
  }
  @media (max-width:767px){
    .container-x{padding:0 16px;}
    :root{--sp:56px;}
    .topbar-left span{display:none;}
    .nav-shell{height:64px;}
    .brand-name{font-size:16px;}
    .head-title{font-size:28px;}
    .article-body{font-size:15px;}
    .article-body h2{font-size:22px;}
    .article-body h3{font-size:18px;}
    .sec-title{font-size:22px;}
    .grid-3{grid-template-columns:minmax(0,1fr);}
    .footer-grid{grid-template-columns:1fr;}
    .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
    .cta-actions .btn{width:100%;}
    .crumb .now{max-width:60vw;}
  }

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0B1220;
  --bg-2:#101A2B;
  --red:#E11D48;
  --red-hi:#F43F5E;
  --red-lo:#BE123C;
  --cyan:#22D3EE;
  --text:#E6EDF7;
  --text-2:#9AA9BF;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-card-hi:0 20px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --glow-red:0 0 24px rgba(225,29,72,.35);
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
@media(max-width:1279px){.container-x{padding-left:20px;padding-right:20px}}
@media(max-width:767px){.container-x{padding-left:16px;padding-right:16px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(5,8,15,.9);border-bottom:1px solid var(--line);transition:background .25s ease-out,box-shadow .25s ease-out}
.site-header.is-scrolled{background:rgba(11,18,32,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 12px 30px rgba(0,0,0,.5)}
.status-bar{border-bottom:1px solid var(--line);background:rgba(16,26,43,.6)}
.status-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px;font-size:13px;color:var(--text-2)}
.status-left{display:flex;align-items:center;gap:8px;min-width:0}
.live-dot{width:7px;height:7px;border-radius:999px;background:var(--red);box-shadow:0 0 0 0 rgba(225,29,72,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(225,29,72,.55)}70%{box-shadow:0 0 0 9px rgba(225,29,72,0)}100%{box-shadow:0 0 0 0 rgba(225,29,72,0)}}
.status-time{font-family:var(--mono);color:var(--cyan);letter-spacing:.02em}
.status-sub{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.status-sub:hover{color:var(--text)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:72px;transition:min-height .25s ease-out}
.site-header.is-scrolled .header-inner{min-height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px}
.nav-right{justify-content:flex-end;gap:20px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;transition:color .2s ease-out;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .22s ease-out}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{width:100%}
.nav-link.is-active::before{content:"";position:absolute;right:-11px;top:6px;width:5px;height:5px;border-radius:999px;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.9)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;min-height:44px}
.brand-mark{width:26px;height:26px;flex:0 0 26px;background:linear-gradient(135deg,var(--red-hi),var(--red-lo));clip-path:polygon(50% 0,100% 24%,100% 74%,50% 100%,0 74%,0 24%);box-shadow:var(--glow-red)}
.brand-name{font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:12px;background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{display:none;overflow:hidden;max-height:0;transition:max-height .3s ease-out;border-top:1px solid transparent}
.drawer.is-open{max-height:420px;border-top-color:var(--line)}
.drawer-inner{padding:12px 0 20px}
.drawer a{display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer a:last-of-type{border-bottom:none}
.drawer a.is-active{color:var(--text)}
.drawer .btn{margin-top:16px;width:100%}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(5,8,15,.72);z-index:70}
.drawer-mask.is-open{display:block}

@media(max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr auto;min-height:64px}
  .nav-left,.nav-right{display:none}
  .menu-toggle{display:flex}
  .drawer{display:block}
  .brand{justify-self:center}
  .header-cta{display:inline-flex}
}
@media(min-width:1024px){.drawer,.drawer-mask{display:none!important}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#F43F5E,#E11D48 55%,#BE123C);color:#fff;box-shadow:0 0 24px rgba(225,29,72,.35)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.1);box-shadow:0 0 32px rgba(225,29,72,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:rgba(225,29,72,.55);color:#fff;transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--red-hi);min-height:36px}
.link-arrow i{transition:transform .2s ease-out}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03)}
.badge-red{background:rgba(225,29,72,.16);border-color:rgba(225,29,72,.42);color:#FCA5B8}
.badge-cyan{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.35);color:#8BE9F7}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-0)}
.page-banner::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.34}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.5) 0%,rgba(5,8,15,.9) 68%,#05080F 100%)}
.banner-glow{position:absolute;width:420px;height:420px;border-radius:999px;filter:blur(90px);pointer-events:none}
.banner-glow.g1{background:rgba(225,29,72,.06);top:-120px;left:-60px}
.banner-glow.g2{background:rgba(34,211,238,.06);bottom:-160px;right:-80px}
.banner-inner{position:relative;z-index:3;padding:88px 0 68px;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a:hover{color:var(--text-2)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .current{color:var(--text-2)}
h1{font-size:48px;line-height:1.2;letter-spacing:.01em;font-weight:700;margin:0 0 20px}
.hl{color:var(--red-hi)}
.banner-lead{font-size:17px;color:var(--text-2);max-width:640px;margin:0 0 28px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px}
@media(max-width:1023px){h1{font-size:38px}.banner-inner{padding:64px 0 52px}}
@media(max-width:640px){h1{font-size:29px}.banner-lead{font-size:15px}.banner-inner{padding:44px 0 40px}}

/* ---------- section ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-alt2{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(max-width:767px){.section{padding:56px 0}}
.section-head{margin-bottom:32px;max-width:760px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px}
.kicker::before{content:"";width:18px;height:2px;background:var(--cyan);border-radius:2px}
h2{font-size:28px;line-height:1.35;font-weight:700;margin:0 0 12px;letter-spacing:.01em}
h3{font-size:19px;line-height:1.45;font-weight:600;margin:0 0 8px}
.section-desc{color:var(--text-2);font-size:15px;margin:0}
@media(max-width:767px){h2{font-size:22px}h3{font-size:17px}}

/* ---------- timeline layout ---------- */
.tl-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start}
@media(max-width:1023px){.tl-layout{grid-template-columns:1fr;gap:40px}}
.tl-list{display:flex;flex-direction:column;gap:20px}
.tl-item{display:grid;grid-template-columns:92px 26px minmax(0,1fr);gap:14px}
.tl-time{font-family:var(--mono);font-size:16px;font-weight:600;color:var(--cyan);padding-top:20px;text-align:right;line-height:1.3}
.tl-unit{display:block;font-family:var(--sans);font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line);transform:translateX(-50%)}
.tl-item:first-child .tl-rail::before{top:26px}
.tl-item:last-child .tl-rail::before{bottom:auto;height:26px}
.tl-dot{position:relative;z-index:1;width:11px;height:11px;border-radius:999px;background:var(--cyan);margin-top:22px;box-shadow:0 0 10px rgba(34,211,238,.8)}
.tl-item.is-main .tl-dot{background:var(--red);width:13px;height:13px;box-shadow:0 0 12px rgba(225,29,72,.9)}
@media(max-width:640px){
  .tl-item{grid-template-columns:64px 18px minmax(0,1fr);gap:10px}
  .tl-time{font-size:14px;padding-top:18px}
  .tl-unit{font-size:11px}
}

/* ---------- cards ---------- */
.card{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:var(--r-card) var(--r-card) 0 0;background:linear-gradient(90deg,var(--red),rgba(225,29,72,0));opacity:.9}
.card-body{padding:22px}
.card-hover:hover{transform:translateY(-4px);border-color:rgba(225,29,72,.42);box-shadow:var(--shadow-card-hi)}
.tl-card p{margin:0 0 12px;color:var(--text-2);font-size:14.5px}
.tl-card .card-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.tl-card h3{margin:0}
.tl-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-top:6px}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px}
@media(max-width:1023px){.side-col{position:static}}
.glass-card{background:rgba(16,26,43,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.13);border-radius:var(--r-panel);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.glass-body{padding:24px}
.glass-body h3{font-size:18px;margin-bottom:8px}
.glass-body .sub{font-size:14px;color:var(--text-2);margin:0 0 18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.field input{width:100%;background:rgba(5,8,15,.72);border:1px solid var(--line-strong);border-radius:12px;padding:14px 16px;color:var(--text);font-size:15px;font-family:inherit;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field input::placeholder{color:var(--text-3);font-size:14px}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.form-hint{font-size:12px;color:var(--text-3);margin:12px 0 0;line-height:1.6}
.form-success{display:none;margin-top:14px;padding:14px 16px;border-radius:12px;border:1px dashed rgba(34,211,238,.45);background:rgba(34,211,238,.07);color:#8BE9F7;font-size:14px}
.form-success.is-show{display:block}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;font-size:15px;color:var(--text-2);transition:color .2s ease-out,padding-left .2s ease-out}
.side-list a:hover{color:#fff;padding-left:4px}
.side-list i{font-size:12px;color:var(--text-3)}
.side-note{padding:20px 24px;border-radius:var(--r-panel);border:1px dashed var(--line-strong);font-size:13.5px;color:var(--text-2)}
.side-note strong{color:var(--text)}

/* ---------- steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media(max-width:1023px){.steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.steps-grid{grid-template-columns:1fr}}
.step{position:relative;padding:24px 22px;border-radius:var(--r-card);background:var(--bg-1);border:1px solid var(--line);transition:transform .2s ease-out,border-color .2s ease-out}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.36)}
.step-num{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.08em;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{margin:0;font-size:14px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px}
.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .2s ease-out}
.faq-item.is-open{border-color:rgba(225,29,72,.4)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer;min-height:56px}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:8px;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;color:var(--cyan);font-size:13px;transition:transform .22s ease-out,background .22s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(34,211,238,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a p{margin:0;padding:0 22px 20px;font-size:14px;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 34px;border-radius:var(--r-panel);background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--shadow-card);flex-wrap:wrap}
.cta-bar h2{font-size:24px;margin:0 0 6px}
.cta-bar p{margin:0;color:var(--text-2);font-size:14.5px}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:1023px){.related-grid{grid-template-columns:1fr}}
.rel-card{display:block;padding:24px 22px;border-radius:var(--r-card);background:var(--bg-1);border:1px solid var(--line);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(225,29,72,.4);box-shadow:var(--shadow-card)}
.rel-card h3{font-size:17px;margin-bottom:8px}
.rel-card p{margin:0 0 14px;font-size:14px;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);padding:72px 0 0}
.site-footer::before{content:"";position:absolute;top:-160px;left:10%;width:420px;height:420px;border-radius:999px;background:rgba(225,29,72,.06);filter:blur(90px);pointer-events:none}
.site-footer::after{content:"";position:absolute;bottom:-180px;right:6%;width:380px;height:380px;border-radius:999px;background:rgba(34,211,238,.055);filter:blur(90px);pointer-events:none}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-text{margin:0;font-size:14px;color:var(--text-2);max-width:320px}
.footer-title{font-size:15px;font-weight:600;margin:0 0 16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease-out,padding-left .2s ease-out}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-note{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7}
.footer-bottom{position:relative;z-index:2;margin-top:52px;border-top:1px solid var(--line);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --bg-0:#05080F;
    --bg-1:#0B1220;
    --bg-2:#101A2B;
    --brand:#E11D48;
    --brand-light:#F43F5E;
    --brand-dark:#BE123C;
    --cyan:#22D3EE;
    --text:#E6EDF7;
    --text-2:#9AA9BF;
    --text-3:#6B7A90;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --r-card:18px;
    --r-panel:22px;
    --r-btn:12px;
    --shadow-card:0 12px 32px rgba(0,0,0,.45);
    --shadow-glow:0 0 24px rgba(225,29,72,.35);
    --ease:200ms ease-out;
    --container:1240px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;}
  .mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em;}

  .container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
  @media (max-width:1279px){ .container-x{padding:0 20px;} }
  @media (max-width:767px){ .container-x{padding:0 16px;} }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(5,8,15,.9);
    border-bottom:1px solid transparent;
    transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(8,12,22,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .nav-shell{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:16px;
    height:76px;
    transition:height var(--ease);
  }
  .site-header.is-scrolled .nav-shell{height:68px;}
  .nav-left{display:flex;align-items:center;gap:4px;justify-self:start;}
  .nav-right{display:flex;align-items:center;gap:4px;justify-self:end;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    height:44px;padding:0 12px;
    font-size:15px;color:var(--text-2);
    transition:color var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;
    transition:transform var(--ease);
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--text);}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-link.is-active::before{
    content:"";position:absolute;top:12px;right:6px;width:6px;height:6px;border-radius:50%;
    background:var(--cyan);box-shadow:0 0 10px var(--cyan);
  }
  .brand{
    display:inline-flex;align-items:center;gap:10px;
    justify-self:center;padding:6px 10px;border-radius:14px;
  }
  .brand-mark{
    width:26px;height:26px;flex:0 0 26px;
    background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    clip-path:polygon(50% 0,100% 22%,100% 72%,50% 100%,0 72%,0 22%);
    box-shadow:0 0 18px rgba(225,29,72,.45);
  }
  .brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;
    flex-direction:column;justify-content:center;align-items:center;gap:5px;
    border:1px solid transparent;transition:border-color var(--ease),background var(--ease);
  }
  .nav-toggle:hover{border-color:var(--line-strong);background:rgba(255,255,255,.04);}
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--ease),opacity 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);}
  .nav-cta-mobile{display:none;}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(5,8,15,.72);
    opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:55;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .mobile-drawer{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:rgba(9,14,25,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    overflow:hidden;max-height:0;transition:max-height 260ms ease;
  }
  .mobile-drawer.is-open{max-height:min(72vh,540px);overflow:auto;}
  .mobile-drawer a{
    display:flex;align-items:center;height:48px;padding:0 20px;
    font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
  }
  .mobile-drawer a:hover{color:#fff;background:rgba(255,255,255,.03);}
  .mobile-drawer a.is-active{color:#fff;border-left:2px solid var(--brand);}

  /* ============ 按钮 / 徽标 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease);
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    color:#fff;box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{background:linear-gradient(135deg,var(--brand-light),var(--brand));transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{border:1px solid var(--line-strong);color:var(--text);}
  .btn-ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.04);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--cyan);outline-offset:2px;
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    font-size:12px;letter-spacing:.04em;line-height:1.6;
    border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  }
  .badge-red{background:rgba(225,29,72,.14);border-color:rgba(225,29,72,.4);color:#FFB3C4;}
  .badge-cyan{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.36);color:#A5F3FC;}

  /* ============ 页面头图 ============ */
  .page-hero{
    position:relative;overflow:hidden;
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;z-index:1;
    background:
      radial-gradient(620px 320px at 12% 18%, rgba(225,29,72,.10), transparent 70%),
      radial-gradient(520px 300px at 88% 82%, rgba(34,211,238,.07), transparent 72%),
      repeating-linear-gradient(45deg, rgba(255,255,255,.028) 0 1px, transparent 1px 15px);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(90deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.86) 46%,rgba(5,8,15,.58) 100%);
  }
  .page-hero-inner{position:relative;z-index:2;max-width:840px;padding:76px 0 68px;}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
  .crumb a{color:var(--text-3);transition:color var(--ease);}
  .crumb a:hover{color:var(--text);}
  .crumb-sep{color:rgba(255,255,255,.22);}
  .crumb-current{color:var(--text-2);}
  .page-title{
    font-size:clamp(28px,4vw,48px);
    line-height:1.2;letter-spacing:.01em;font-weight:700;
    margin:20px 0 18px;
  }
  .page-title em{font-style:normal;color:var(--brand-light);}
  .page-sub{font-size:16px;color:var(--text-2);max-width:640px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  /* ============ 板块通用 ============ */
  .section{padding:96px 0;}
  .section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-tight{padding-top:56px;}
  @media (max-width:1023px){ .section{padding:64px 0;} }
  @media (max-width:767px){ .section{padding:56px 0;} .page-hero-inner{padding:52px 0 48px;} }
  .sec-head{max-width:720px;margin-bottom:32px;}
  .sec-kicker{
    display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--cyan);margin-bottom:12px;
  }
  .sec-title{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:.01em;}
  .sec-lead{margin-top:12px;font-size:15px;color:var(--text-2);}
  @media (max-width:767px){ .sec-title{font-size:22px;} }

  /* ============ 数据条 ============ */
  .stat-bar{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:var(--line);border:1px solid var(--line);
    border-radius:var(--r-panel);overflow:hidden;
  }
  .stat-item{background:var(--bg-1);padding:28px 22px;}
  .stat-num{font-size:30px;font-weight:700;color:var(--cyan);line-height:1.2;}
  .stat-label{font-size:13px;color:var(--text-3);margin-top:8px;}
  @media (max-width:767px){
    .stat-bar{grid-template-columns:repeat(2,1fr);}
    .stat-item{padding:22px 18px;}
    .stat-num{font-size:24px;}
  }

  /* ============ Z 字图文交替 ============ */
  .z-wrap{display:block;}
  .zrow{
    display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;
  }
  .zrow + .zrow{margin-top:76px;}
  .zrow.is-reverse .z-media{order:2;}
  .z-media{
    position:relative;border-radius:18px;overflow:hidden;
    border:1px solid var(--line);background:var(--bg-2);
    box-shadow:var(--shadow-card);
  }
  .z-media::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:var(--brand);z-index:2;
  }
  .z-media img{
    width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;
    transition:transform 300ms ease-out;
  }
  .z-media:hover img{transform:scale(1.03);}
  .z-body .sub-title{margin:16px 0 12px;}
  .sub-title{font-size:22px;line-height:1.35;font-weight:700;}
  .body-text{font-size:16px;color:var(--text-2);line-height:1.75;}
  .point-list{margin-top:20px;}
  .point-list li{
    position:relative;padding-left:22px;margin-bottom:12px;
    font-size:15px;color:var(--text-2);line-height:1.7;
  }
  .point-list li::before{
    content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
    background:var(--cyan);box-shadow:0 0 10px rgba(34,211,238,.6);
  }
  @media (max-width:1023px){
    .zrow{grid-template-columns:1fr;gap:26px;}
    .zrow.is-reverse .z-media{order:0;}
    .zrow + .zrow{margin-top:56px;}
    .sub-title{font-size:19px;}
  }

  /* ============ 关注点清单 ============ */
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .chip{
    padding:8px 18px;border-radius:999px;font-size:14px;
    border:1px solid var(--line);background:var(--bg-2);color:var(--text-2);
    transition:border-color var(--ease),color var(--ease),background var(--ease);
  }
  .chip:hover{color:var(--text);border-color:var(--line-strong);}
  .chip.is-on{
    color:#fff;border-color:rgba(225,29,72,.5);background:rgba(225,29,72,.16);
  }
  .strip-list{display:grid;gap:14px;}
  .strip{
    display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
    padding:22px;border-radius:var(--r-card);
    background:var(--bg-2);border:1px solid var(--line);
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .strip:hover{
    border-color:rgba(225,29,72,.42);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .strip-idx{
    width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
    background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);
    color:var(--cyan);font-size:15px;font-weight:700;
  }
  .strip-title{font-size:17px;font-weight:600;margin-bottom:6px;}
  .strip-text{font-size:14px;color:var(--text-2);}
  @media (max-width:767px){
    .strip{grid-template-columns:1fr;gap:14px;}
  }

  /* ============ FAQ ============ */
  .faq-list{max-width:880px;}
  .faq-item{
    background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
    margin-bottom:12px;overflow:hidden;transition:border-color var(--ease);
  }
  .faq-item:hover{border-color:var(--line-strong);}
  .faq-item.is-open{border-color:rgba(225,29,72,.42);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 22px;font-size:17px;font-weight:600;text-align:left;line-height:1.5;
  }
  .faq-icon{
    flex:0 0 28px;width:28px;height:28px;border-radius:50%;
    display:grid;place-items:center;font-size:16px;line-height:1;
    color:var(--cyan);border:1px solid rgba(34,211,238,.32);
    background:rgba(34,211,238,.08);
    transition:transform 220ms ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease;}
  .faq-a p{padding:0 22px 20px;font-size:14px;color:var(--text-2);line-height:1.75;}

  /* ============ 订阅面板 ============ */
  .subscribe-panel{
    display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
    padding:44px;border-radius:var(--r-panel);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .glass-card{
    background:rgba(16,26,43,.62);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
  }
  .mini-list{margin-top:18px;display:grid;gap:10px;}
  .mini-list li{
    position:relative;padding-left:20px;font-size:14px;color:var(--text-2);
  }
  .mini-list li::before{
    content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
    background:var(--brand);
  }
  .field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
  .field input{
    width:100%;padding:14px 16px;border-radius:12px;
    background:rgba(5,8,15,.72);border:1px solid var(--line-strong);
    color:var(--text);font-size:15px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .field input::placeholder{color:var(--text-3);font-size:14px;}
  .field input:focus{
    outline:none;border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(34,211,238,.16),0 0 18px rgba(34,211,238,.18);
  }
  .sub-form .btn{margin-top:16px;}
  .form-note{font-size:13px;color:var(--text-3);margin-top:12px;}
  .form-success{
    display:none;flex-direction:column;gap:6px;
    padding:20px;border-radius:14px;
    border:1px dashed rgba(34,211,238,.42);background:rgba(34,211,238,.07);
  }
  .form-success strong{font-size:15px;color:#A5F3FC;}
  .form-success span{font-size:13px;color:var(--text-2);}
  @media (max-width:1023px){
    .subscribe-panel{grid-template-columns:1fr;gap:28px;padding:30px 22px;}
  }

  /* ============ CTA 条 ============ */
  .cta-bar{
    display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
    padding:34px;border-radius:var(--r-panel);
    background:var(--bg-2);border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .cta-title{font-size:22px;font-weight:700;line-height:1.35;}
  .cta-text{margin-top:8px;font-size:14px;color:var(--text-2);}
  @media (max-width:767px){ .cta-bar{padding:24px;} .cta-title{font-size:19px;} }

  /* ============ 相关分类 ============ */
  .rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .rel-card{
    position:relative;display:block;padding:24px;border-radius:var(--r-card);
    background:var(--bg-1);border:1px solid var(--line);overflow:hidden;
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .rel-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:var(--brand);opacity:.75;
  }
  .rel-card:hover{
    border-color:rgba(225,29,72,.42);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .rel-card h3{font-size:17px;font-weight:600;margin:14px 0 8px;}
  .rel-card p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rel-arrow{
    display:inline-flex;align-items:center;gap:4px;margin-top:16px;
    font-size:14px;color:var(--brand-light);
  }
  .rel-card:hover .rel-arrow span{transform:translateX(3px);}
  .rel-arrow span{display:inline-block;transition:transform var(--ease);}
  @media (max-width:1023px){ .rel-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:639px){ .rel-grid{grid-template-columns:1fr;} }

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;overflow:hidden;
    background:var(--bg-1);border-top:1px solid var(--line);
    padding:64px 0 28px;margin-top:32px;
  }
  .site-footer::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(520px 260px at 10% 0%, rgba(225,29,72,.07), transparent 70%),
      radial-gradient(460px 240px at 90% 100%, rgba(34,211,238,.05), transparent 72%);
    pointer-events:none;
  }
  .site-footer .container-x{position:relative;z-index:1;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-text{font-size:14px;color:var(--text-2);max-width:320px;}
  .footer-title{font-size:15px;font-weight:600;margin-bottom:16px;}
  .footer-links{display:grid;gap:10px;}
  .footer-links a{font-size:14px;color:var(--text-2);transition:color var(--ease);}
  .footer-links a:hover{color:#fff;}
  .footer-note{font-size:13px;color:var(--text-3);line-height:1.8;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    font-size:13px;color:var(--text-3);
  }
  @media (max-width:1023px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:639px){
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
  }

  /* ============ 响应式导航 ============ */
  @media (max-width:1023px){
    .nav-shell{grid-template-columns:44px 1fr auto;height:64px;}
    .nav-left,.nav-right{display:none;}
    .nav-toggle{display:flex;}
    .nav-cta-mobile{display:inline-flex;}
    .mobile-drawer{display:block;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0B1220;
  --bg-2:#101A2B;
  --red:#E11D48;
  --red-h:#F43F5E;
  --red-a:#BE123C;
  --cyan:#22D3EE;
  --tx:#E6EDF7;
  --tx-2:#9AA9BF;
  --tx-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --glow-red:0 0 24px rgba(225,29,72,.35);
  --sans:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono","Roboto Mono",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

html body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--tx);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(5,8,15,.55);
  border-bottom:1px solid transparent;
  transition:background .25s ease-out, backdrop-filter .25s ease-out, border-color .25s ease-out, height .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  transition:height .25s ease-out;
}
.site-header.is-scrolled .nav-bar{height:64px}

.nav-left{display:flex;align-items:center;gap:4px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:4px;justify-self:end}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 11px;
  font-size:15px;
  color:var(--tx-2);
  white-space:nowrap;
  transition:color .2s ease-out;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:4px;
  height:2px;
  background:var(--red);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--tx)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--tx)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:-5px;
  width:5px;height:5px;
  border-radius:999px;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(34,211,238,.9);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  color:var(--tx);
  white-space:nowrap;
}
.brand-mark{
  width:22px;height:26px;
  flex:0 0 22px;
  background:linear-gradient(135deg,var(--red),var(--red-a));
  clip-path:polygon(0 0,100% 0,100% 72%,50% 100%,0 72%);
  box-shadow:0 0 14px rgba(225,29,72,.4);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease-out, background .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out, color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--red),var(--red-a));
  color:#fff;
  box-shadow:var(--glow-red);
}
.btn-primary:hover{
  background:linear-gradient(135deg,var(--red-h),var(--red));
  transform:translateY(-1px);
  box-shadow:0 0 30px rgba(225,29,72,.45);
}
.btn-primary:active{transform:translateY(1px);background:linear-gradient(135deg,var(--red-a),#9F1239)}
.btn-ghost{
  background:transparent;
  border-color:var(--line-2);
  color:var(--tx);
}
.btn-ghost:hover{border-color:rgba(225,29,72,.42);background:rgba(225,29,72,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--red-h);
  transition:gap .2s ease-out,color .2s ease-out;
}
.link-more i{transition:transform .2s ease-out}
.strip-card:hover .link-more i,
.related-card:hover .link-more i{transform:translateX(3px)}

/* 移动端导航 */
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line-2);
  border-radius:10px;
  color:var(--tx);
  cursor:pointer;
}
.nav-cta-mobile{display:none}

.mobile-drawer{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:74px 20px 22px;
  transform:translateY(-100%);
  transition:transform .28s ease-out;
  box-shadow:0 24px 48px rgba(0,0,0,.5);
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  font-size:16px;
  color:var(--tx-2);
  border-bottom:1px solid var(--line);
  transition:color .2s ease-out;
}
.drawer-link:hover{color:var(--tx)}
.drawer-link.is-active{
  color:var(--tx);
  font-weight:600;
  border-left:3px solid var(--red);
  padding-left:12px;
}
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:85;
  background:rgba(5,8,15,.72);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  padding:154px 0 76px;
  background-image:
    linear-gradient(180deg,rgba(5,8,15,.88) 0%,rgba(5,8,15,.9) 45%,rgba(5,8,15,.97) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(225,29,72,.14),transparent 66%);
  pointer-events:none;
}
.page-banner::before{
  content:"";
  position:absolute;
  left:-160px;bottom:-200px;
  width:480px;height:480px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.09),transparent 68%);
  pointer-events:none;
}
.page-banner .container-x{position:relative;z-index:2}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--tx-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--tx-3);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .current{color:var(--tx-2)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--cyan);
  border-radius:2px;
}

.banner-title{
  font-size:46px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:.01em;
  margin:0 0 16px;
  max-width:900px;
}
.banner-title .hl{
  color:var(--red-h);
  text-shadow:0 0 26px rgba(225,29,72,.28);
}
.banner-sub{
  font-size:17px;
  color:var(--tx-2);
  margin:0 0 16px;
  max-width:760px;
}
.banner-desc{
  font-size:15px;
  color:var(--tx-3);
  max-width:760px;
  line-height:1.78;
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.banner-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;
  color:var(--tx-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.chip i{color:var(--cyan);font-size:12px}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-alt{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:32px}
.section-title{
  font-size:28px;
  line-height:1.32;
  font-weight:700;
  letter-spacing:.01em;
  margin:0 0 12px;
}
.section-lead{
  font-size:15px;
  color:var(--tx-2);
  margin:0;
  line-height:1.75;
}

/* ============ 对照表 ============ */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:var(--bg-1);
  box-shadow:var(--shadow-card);
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
}
.data-table{
  width:100%;
  min-width:840px;
  border-collapse:collapse;
  font-size:14px;
}
.data-table thead th{
  position:sticky;
  top:0;
  background:rgba(225,29,72,.13);
  color:var(--tx);
  font-size:13px;
  font-weight:600;
  letter-spacing:.05em;
  text-align:left;
  padding:16px 18px;
  white-space:nowrap;
  border-bottom:1px solid rgba(225,29,72,.28);
}
.data-table tbody td{
  padding:16px 18px;
  color:var(--tx-2);
  border-bottom:1px solid var(--line);
  vertical-align:middle;
  white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
.data-table tbody tr:hover{background:rgba(34,211,238,.06)}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody td:first-child{
  color:var(--tx);
  font-weight:600;
  position:relative;
}
.data-table tbody td:first-child::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:20px;
  border-radius:0 3px 3px 0;
  background:var(--red);
  opacity:.75;
}
.data-table .mono{font-family:var(--mono);color:var(--cyan);font-size:13px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1.7;
  border:1px solid transparent;
  white-space:nowrap;
}
.badge-ok{background:rgba(34,211,238,.12);color:var(--cyan);border-color:rgba(34,211,238,.3)}
.badge-mid{background:rgba(225,29,72,.12);color:var(--red-h);border-color:rgba(225,29,72,.3)}
.badge-soon{background:rgba(255,255,255,.05);color:var(--tx-3);border-color:var(--line-2)}
.badge i{font-size:10px}

.table-hint{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:13px;
  color:var(--tx-3);
}
.table-hint i{color:var(--cyan)}

/* ============ 窄条卡 ============ */
.strip-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.strip-card{
  position:relative;
  display:grid;
  grid-template-columns:118px 1fr;
  gap:18px;
  align-items:center;
  padding:18px;
  border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out;
}
.strip-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--red),rgba(225,29,72,0));
}
.strip-card:hover{
  transform:translateY(-4px);
  border-color:rgba(225,29,72,.42);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.strip-thumb{
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-1);
}
.strip-thumb img{
  width:100%;
  height:88px;
  object-fit:cover;
  transition:transform .2s ease-out;
}
.strip-card:hover .strip-thumb img{transform:scale(1.03)}
.strip-body h3{
  font-size:17px;
  font-weight:600;
  margin:8px 0 6px;
  line-height:1.4;
}
.strip-body p{
  font-size:14px;
  color:var(--tx-2);
  line-height:1.7;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  color:var(--red-h);
  background:rgba(225,29,72,.12);
  border:1px solid rgba(225,29,72,.28);
}
.tag-cyan{
  color:var(--cyan);
  background:rgba(34,211,238,.1);
  border-color:rgba(34,211,238,.28);
}

/* ============ 观看路径 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step{
  position:relative;
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, border-color .2s ease-out;
}
.step::before{
  content:"";
  position:absolute;
  top:0;left:22px;right:22px;
  height:2px;
  background:linear-gradient(90deg,var(--red),rgba(225,29,72,0));
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.32)}
.step-num{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--cyan);
}
.step h3{
  font-size:17px;
  font-weight:600;
  margin:12px 0 8px;
  line-height:1.4;
}
.step p{
  font-size:14px;
  color:var(--tx-2);
  margin:0;
  line-height:1.72;
}

/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:900px;
}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .2s ease-out, background .2s ease-out;
}
.faq-item.is-open{
  border-color:rgba(225,29,72,.42);
  background:#121D30;
}
.faq-q{
  width:100%;
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:0;
  color:var(--tx);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--red-h)}
.faq-icon{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--tx-2);
  border-radius:2px;
  transition:transform .22s ease-out, background .22s ease-out;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--red)}
.faq-a{
  height:0;
  overflow:hidden;
  transition:height .22s ease-out;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:14px;
  line-height:1.78;
  color:var(--tx-2);
}

/* ============ 相关分类 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.related-card{
  position:relative;
  display:block;
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--bg-1);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out;
}
.related-card:hover{
  transform:translateY(-4px);
  border-color:rgba(225,29,72,.42);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.related-card h3{
  font-size:17px;
  font-weight:600;
  margin:14px 0 8px;
}
.related-card p{
  font-size:14px;
  color:var(--tx-2);
  margin:0 0 14px;
  line-height:1.72;
}

/* ============ CTA ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:34px 36px;
  border-radius:var(--r-panel);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(225,29,72,.16),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:24px;
  font-weight:700;
  margin:0 0 8px;
  line-height:1.35;
}
.cta-band p{
  font-size:15px;
  color:var(--tx-2);
  margin:0;
}
.cta-band .cta-action{flex:0 0 auto;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  right:-140px;top:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.07),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-name{
  font-size:17px;
  font-weight:700;
}
.footer-text{
  font-size:14px;
  color:var(--tx-3);
  line-height:1.72;
  margin:0 0 12px;
  max-width:320px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--tx);
  margin:0 0 16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  font-size:14px;
  color:var(--tx-2);
  transition:color .2s ease-out, transform .2s ease-out;
  display:inline-block;
}
.footer-links a:hover{color:var(--red-h);transform:translateX(3px)}
.footer-note{
  font-size:13px;
  color:var(--tx-3);
  line-height:1.75;
  margin:0;
}
.footer-bottom{
  position:relative;
  z-index:2;
  margin-top:46px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container-x{padding:0 20px}
}

@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-bar{grid-template-columns:44px 1fr auto;height:64px;gap:10px}
  .nav-toggle{display:inline-flex;order:1}
  .brand{order:2;font-size:16px;justify-self:center}
  .nav-cta-mobile{display:inline-flex;order:3;min-height:36px;padding:0 14px;font-size:13px}
  .page-banner{padding:128px 0 64px}
  .banner-title{font-size:34px}
  .section{padding:72px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .strip-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 26px}
  .cta-band .cta-action{width:100%}
  .cta-band .cta-action .btn{width:100%}
}

@media (max-width:767px){
  html body{font-size:15px}
  .container-x{padding:0 16px}
  .banner-title{font-size:28px}
  .banner-sub{font-size:15px}
  .section{padding:56px 0}
  .section-title{font-size:22px}
  .section-head{margin-bottom:24px}
  .strip-card{grid-template-columns:96px 1fr;gap:14px;padding:16px}
  .strip-thumb img{height:74px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .data-table{min-width:760px}
}

@media (max-width:520px){
  .brand{font-size:15px;gap:8px}
  .brand-mark{width:18px;height:22px;flex:0 0 18px}
  .nav-cta-mobile{display:none}
  .nav-bar{grid-template-columns:44px 1fr 44px}
  .banner-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg-0:#05080F;
  --bg-1:#0B1220;
  --bg-2:#101A2B;
  --red:#E11D48;
  --red-h:#F43F5E;
  --red-a:#BE123C;
  --cyan:#22D3EE;
  --text:#E6EDF7;
  --text-2:#9AA9BF;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --radius-card:18px;
  --radius-panel:22px;
  --radius-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --glow-red:0 0 24px rgba(225,29,72,.35);
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (max-width:1279px){.container-x{padding:0 20px}}
@media (max-width:767px){.container-x{padding:0 16px}}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--bg-1);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:40px}
.live-dot{width:8px;height:8px;border-radius:999px;background:var(--red);flex:0 0 auto;animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(225,29,72,.55)}
  70%{box-shadow:0 0 0 8px rgba(225,29,72,0)}
  100%{box-shadow:0 0 0 0 rgba(225,29,72,0)}
}
@media (prefers-reduced-motion: reduce){.live-dot{animation:none}}
.topbar-state{color:var(--red-h);font-weight:600;flex:0 0 auto}
.topbar-text{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-link{color:var(--cyan);border-bottom:1px dashed rgba(34,211,238,.4);flex:0 0 auto}
.topbar-link:hover{color:#67E8F9}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(5,8,15,.88);border-bottom:1px solid transparent;transition:background .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out}
.site-header.scrolled{background:rgba(11,18,32,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 8px 28px rgba(0,0,0,.4)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:78px;transition:height .25s ease-out}
.site-header.scrolled .nav-wrap{height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{width:26px;height:26px;flex:0 0 auto;background:linear-gradient(135deg,var(--red-h),var(--red-a));clip-path:polygon(50% 0,100% 22%,100% 78%,50% 100%,0 78%,0 22%);box-shadow:var(--glow-red)}
.brand-name{font-weight:700;font-size:18px;letter-spacing:.01em;color:var(--text)}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:18px;justify-self:end}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--text-2);transition:color .2s ease-out}
.nav-link::after{content:"";position:absolute;left:0;bottom:9px;width:0;height:2px;background:var(--red);transition:width .22s ease-out}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{width:100%}
.nav-link.active::before{content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:999px;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.85)}
.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--bg-2);border:1px solid var(--line);color:var(--text);cursor:pointer}
.menu-toggle:hover{border-color:var(--line-strong)}
.mobile-drawer{position:fixed;top:0;left:0;right:0;z-index:90;transform:translateY(-102%);transition:transform .28s ease-out;background:rgba(11,18,32,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:78px 20px 22px;display:none}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line)}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.active{color:var(--text);font-weight:600}
.mobile-drawer a.active::before{content:"";width:5px;height:5px;border-radius:999px;background:var(--cyan);margin-right:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(5,8,15,.72);z-index:85;opacity:0;visibility:hidden;transition:opacity .25s ease-out;border:0}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,filter .2s ease-out,border-color .2s ease-out,background .2s ease-out,color .2s ease-out}
.btn-primary{background:linear-gradient(135deg,var(--red-h),var(--red-a));color:#fff;box-shadow:var(--glow-red)}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);background:var(--red-a)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-2)}
.btn-ghost:hover{border-color:rgba(225,29,72,.42);color:var(--text)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:14px;font-weight:600}
.link-arrow i{transition:transform .2s ease-out;font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-1)}
.section-alt2{background:var(--bg-2)}
.section-head{margin-bottom:32px;max-width:820px}
.h2{font-size:28px;line-height:1.35;font-weight:700;margin:0 0 10px;letter-spacing:.01em}
.h3{font-size:19px;line-height:1.45;font-weight:600;margin:0 0 8px}
.section-lead{color:var(--text-2);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--cyan);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24);border-radius:999px;padding:4px 14px;margin-bottom:16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:44px 0 76px;background-image:linear-gradient(180deg,rgba(5,8,15,.80),rgba(5,8,15,.95)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(620px 320px at 12% 0%,rgba(225,29,72,.10),transparent 70%),radial-gradient(520px 300px at 88% 18%,rgba(34,211,238,.07),transparent 72%)}
.hero .container-x{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--cyan)}
.crumb-sep{color:var(--text-3)}
.crumb-cur{color:var(--text-2)}
.hero-title{font-size:46px;line-height:1.2;letter-spacing:.01em;font-weight:700;margin:0;max-width:900px}
.hero-title .hl{font-style:normal;color:var(--red-h)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;font-size:14px;color:var(--text-2)}
.hero-meta li{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--cyan);font-size:12px}

/* ---------- 卡片墙 ---------- */
.wall{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}
.wall-col{display:grid;gap:24px}
.wall-col-b{margin-top:46px}
.card{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--red);z-index:2}
.card.accent-cyan::before{background:var(--cyan)}
.card:hover{transform:translateY(-4px);border-color:rgba(225,29,72,.42);box-shadow:0 18px 42px rgba(0,0,0,.55)}
.card img{width:100%;height:212px;object-fit:cover}
.card-body{padding:22px}
.card-title{font-size:17px;line-height:1.5;font-weight:600;margin:12px 0 8px}
.card-text{font-size:14px;color:var(--text-2);line-height:1.75}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-red{background:rgba(225,29,72,.14);color:#FDA4AF;border:1px solid rgba(225,29,72,.32)}
.badge-cyan{background:rgba(34,211,238,.12);color:#67E8F9;border:1px solid rgba(34,211,238,.28)}
.ticks{margin-top:14px;display:grid;gap:8px}
.ticks li{position:relative;padding-left:20px;font-size:14px;color:var(--text-2);line-height:1.7}
.ticks li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:2px;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.55)}
.card .link-arrow{margin-top:16px}

/* ---------- 订阅表单 ---------- */
.sub-grid{display:grid;grid-template-columns:1fr 460px;gap:48px;align-items:start}
.sub-card{background:rgba(16,26,43,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius-panel);padding:28px;box-shadow:var(--shadow-card)}
.field{display:grid;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input{width:100%;background:#0A1322;border:1px solid var(--line-strong);border-radius:12px;padding:14px 16px;color:var(--text);font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field input::placeholder{color:var(--text-3);font-size:14px}
.field input:focus{outline:0;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.field .hint{font-size:12px;color:var(--text-3);line-height:1.6}
.channels{display:grid;gap:10px;margin:0 0 20px}
.channels legend{font-size:14px;font-weight:600;color:var(--text);margin-bottom:10px;padding:0}
.channels label{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--text-2);cursor:pointer;transition:border-color .2s ease-out,background .2s ease-out}
.channels label:hover{border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.channels input{accent-color:var(--red);margin-top:5px;width:16px;height:16px;flex:0 0 auto}
.success-tip{margin-top:14px;font-size:13px;color:#67E8F9;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);border-radius:12px;padding:10px 14px}
.privacy-note{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.6}

/* ---------- 自查步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;transition:border-color .2s ease-out,transform .2s ease-out}
.step:hover{border-color:rgba(34,211,238,.34);transform:translateY(-4px)}
.step-num{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.08em}
.step h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.7}
.step::after{content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;background:linear-gradient(90deg,rgba(34,211,238,.5),rgba(225,29,72,.4));opacity:0;transition:opacity .2s ease-out}
.step:hover::after{opacity:1}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s ease-out}
.faq-item.open{border-color:rgba(225,29,72,.38)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:none;border:0;color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6}
.faq-q i{color:var(--cyan);font-size:13px;transition:transform .22s ease-out;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a-inner{padding:0 22px 20px;font-size:14px;color:var(--text-2);line-height:1.75}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:block;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(225,29,72,.42);background:var(--bg-2)}
.rel-card h3{font-size:17px;font-weight:600;margin:12px 0 8px}
.rel-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.rel-card .link-arrow{margin-top:14px}

/* ---------- CTA 条 ---------- */
.cta-wrap{padding:0 0 96px}
.cta-band{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-panel);padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow-card)}
.cta-band h2{font-size:24px;font-weight:700;margin:0 0 6px}
.cta-band p{font-size:14px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(560px 260px at 90% 0%,rgba(225,29,72,.07),transparent 72%)}
.site-footer .container-x{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-text{font-size:14px;color:var(--text-2);line-height:1.7;max-width:340px}
.footer-title{font-size:15px;font-weight:600;margin:0 0 14px;color:var(--text)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease-out}
.footer-links a:hover{color:var(--red-h)}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.75}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-left{display:none}
  .nav-right .nav-link{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{display:block}
  .nav-wrap{display:flex;justify-content:space-between;align-items:center;height:66px}
  .site-header.scrolled .nav-wrap{height:62px}
  .brand{justify-self:auto}
  .brand-name{font-size:16px}
  .hero{padding:32px 0 56px}
  .hero-title{font-size:36px}
  .sub-grid{grid-template-columns:1fr;gap:32px}
  .wall{grid-template-columns:1fr;gap:20px}
  .wall-col-b{margin-top:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cta-wrap{padding:0 0 56px}
  .hero-title{font-size:29px}
  .hero-sub{font-size:15px}
  .h2{font-size:22px}
  .h3{font-size:17px}
  .section-head{margin-bottom:26px}
  .steps{grid-template-columns:1fr}
  .card img{height:180px}
  .sub-card{padding:22px}
  .cta-band{padding:24px 22px}
  .cta-band h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .topbar-text{display:none}
  .topbar-inner{justify-content:space-between}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .hero-actions .btn{width:100%}
  .brand-name{font-size:15px}
}