/* roulang page: index */
:root{
  --bg:#0A0812;
  --panel:#14101F;
  --panel-deep:#0E0B18;
  --primary:#7C5CFF;
  --cyan:#2BE5C8;
  --magenta:#FF4D8D;
  --amber:#FFB020;
  --live:#FF3B5C;
  --text:#F5F3FF;
  --text-2:rgba(245,243,255,.68);
  --text-3:rgba(245,243,255,.45);
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(43,229,200,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-glow:0 18px 48px -20px rgba(124,92,255,.55);
  --shadow-soft:0 12px 32px -18px rgba(0,0,0,.9);
  --grad:linear-gradient(135deg,#7C5CFF 0%,#FF4D8D 100%);
  --grad-line:linear-gradient(90deg,#7C5CFF 0%,#2BE5C8 55%,#FF4D8D 100%);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ease:.3s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
img{max-width:100%;display:block;border:0}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(124,92,255,.4);color:#fff}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--panel-deep);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

.sec-head{margin-bottom:40px;max-width:760px}
.sec-title{
  position:relative;
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  padding-left:18px;
}
.sec-title::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;background:var(--grad);
  box-shadow:0 0 16px rgba(124,92,255,.7);
}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:660px}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,8,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff;
  box-shadow:0 10px 24px -10px rgba(124,92,255,.95);
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--cyan)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--border-strong);background:rgba(43,229,200,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(10,8,18,.98);
  transform:translateY(-101%);transition:transform var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;
}
.drawer.open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:transparent;color:var(--text);cursor:pointer;font-size:20px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.drawer-link{
  padding:16px 14px;border-radius:var(--r-sm);font-size:17px;color:var(--text-2);
  border-bottom:1px solid rgba(43,229,200,.16);
}
.drawer-link.active{color:var(--cyan)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--border);color:var(--text-3);font-size:13px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:46px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),border-color var(--ease),background var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 22px 54px -20px rgba(255,77,141,.7)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 10px 22px -14px rgba(124,92,255,.8)}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{transform:translateY(-1px);border-color:var(--border-strong);background:rgba(43,229,200,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-pill{border-radius:var(--r-pill)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:84px 0 76px}
.hero::before{
  content:"";position:absolute;top:-220px;left:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.36) 0%,rgba(124,92,255,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-260px;right:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,229,200,.20) 0%,rgba(43,229,200,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,59,92,.35);background:rgba(255,59,92,.1);
  font-size:13px;color:#ffd7de;margin-bottom:22px;
}
.hero h1{
  font-size:48px;line-height:1.15;font-weight:700;letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:inline-flex;align-items:center;gap:9px;padding:9px 15px;
  border-radius:var(--r-pill);border:1px solid var(--border);background:var(--panel);
  font-size:13px;color:var(--text-2);
}
.stat-badge b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;color:var(--text);font-weight:700}
.dot{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s infinite}
.dot-red{background:var(--live)}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,176,32,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,176,32,0)}
  100%{box-shadow:0 0 0 0 rgba(255,176,32,0)}
}

.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-glow);background:var(--panel-deep);
  aspect-ratio:16/9;
}
.hero-card img{width:100%;height:100%;object-fit:cover;transform:scale(1.02);transition:transform .6s var(--ease)}
.hero-card:hover img{transform:scale(1.06)}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,8,18,.10) 0%,rgba(10,8,18,.55) 55%,rgba(10,8,18,.92) 100%);
}
.live-tag{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(255,59,92,.92);color:#fff;font-size:12.5px;font-weight:600;
  box-shadow:0 10px 26px -12px rgba(255,59,92,.95);
}
.live-tag i{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.hero-card-body{position:absolute;left:20px;right:20px;bottom:20px;z-index:3}
.hero-card-body h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px}
.hero-count{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:10px 14px;border-radius:var(--r-sm);
  background:rgba(14,11,24,.86);border:1px solid var(--border);
  font-size:13px;color:var(--text-2);
}
.hero-count b{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--cyan);font-size:15px}

/* ===== 倒计时条 ===== */
.cd-band{
  position:relative;border-radius:var(--r-lg);padding:30px 32px;
  background:linear-gradient(var(--panel-deep),var(--panel-deep)) padding-box,
             linear-gradient(135deg,#7C5CFF,#FF4D8D) border-box;
  border:1px solid transparent;
  box-shadow:0 0 60px -34px rgba(124,92,255,.95);
  display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;
}
.cd-label{font-size:14px;color:var(--text-2);margin-bottom:6px}
.cd-title{font-size:19px;font-weight:700;letter-spacing:-.01em}
.cd-grid{display:flex;align-items:center;gap:12px}
.cd-cell{
  min-width:78px;text-align:center;padding:12px 8px;border-radius:var(--r-sm);
  background:var(--panel-deep);border:1px solid var(--border);
}
.cd-cell.is-sec{border-color:rgba(255,77,141,.5);animation:secGlow 2.4s infinite}
@keyframes secGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(255,77,141,.35)}
  50%{box-shadow:0 0 22px 0 rgba(255,77,141,.5)}
}
.cd-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:36px;font-weight:700;line-height:1.1;color:var(--text)}
.cd-unit{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.cd-sep{color:var(--text-3);font-family:var(--mono);font-size:24px;padding-bottom:14px}
.cd-note{font-size:13px;color:var(--text-3);margin-top:10px}

/* ===== 看点区 ===== */
.focus-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.focus-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);
  background:var(--panel);min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
  transition:border-color var(--ease),transform var(--ease);
}
.focus-main:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.focus-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.focus-main:hover img{transform:scale(1.04)}
.focus-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,8,18,.2) 0%,rgba(10,8,18,.86) 72%);
}
.focus-main .inner{position:relative;z-index:3;padding:28px}
.focus-main h3{font-size:24px;font-weight:700;line-height:1.4;margin:14px 0 12px}
.focus-main p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.focus-side{display:grid;gap:24px}
.focus-card{
  display:flex;gap:18px;padding:18px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--border);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.focus-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.focus-card .thumb{
  width:132px;flex:0 0 132px;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:var(--panel-deep);
}
.focus-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.focus-card:hover .thumb img{transform:scale(1.06)}
.focus-card h3{font-size:17px;font-weight:600;line-height:1.55;margin:10px 0 8px}
.focus-card p{font-size:14px;color:var(--text-3)}
.num-outline{
  display:inline-block;font-family:var(--mono);font-size:13px;letter-spacing:.08em;
  padding:3px 11px;border-radius:var(--r-pill);color:var(--cyan);
  border:1px solid rgba(43,229,200,.55);box-shadow:0 0 14px -6px rgba(43,229,200,.9);
}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.32);color:#cfc4ff;
}
.tag-cyan{background:rgba(43,229,200,.12);border-color:rgba(43,229,200,.32);color:#9ff5e5}
.tag-amber{background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.32);color:#ffd79b}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);font-weight:600;
}
.link-arrow span{transition:transform var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== 订阅 ===== */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:44px;
  box-shadow:var(--shadow-soft);
}
.subscribe h2{font-size:28px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.subscribe p{color:var(--text-2);font-size:15px;margin-bottom:20px}
.sub-list{display:grid;gap:10px}
.sub-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.sub-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);margin-top:11px;flex:0 0 7px;box-shadow:0 0 10px var(--cyan)}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.field{
  flex:1 1 200px;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-sm);
  background:var(--panel-deep);border:1px solid var(--border);color:var(--text);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:hover{border-color:rgba(255,255,255,.18)}
.field:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(43,229,200,.16)}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ===== 回放滑区 ===== */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:rgba(124,92,255,.6);border-radius:999px}
.replay-card{
  flex:0 0 320px;scroll-snap-align:start;border-radius:var(--r-md);overflow:hidden;
  background:var(--panel);border:1px solid var(--border);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.replay-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-deep)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.replay-card:hover .replay-thumb img{transform:scale(1.05)}
.duration{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:8px;
  background:rgba(10,8,18,.86);border:1px solid var(--border);
  font-family:var(--mono);font-size:12.5px;color:var(--text);
}
.replay-body{padding:18px}
.replay-body h3{font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:12px;min-height:52px}
.replay-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3)}

/* ===== 最新信息（CMS） ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;padding:24px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--border);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.post-card h3{font-size:17.5px;font-weight:600;line-height:1.6;margin:14px 0 10px}
.post-card p{
  font-size:14.5px;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.16);background:var(--panel-deep);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.32);font-size:22px;
}
.empty-state p{color:var(--text-2);margin-bottom:16px}

/* ===== 观众反馈 ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  padding:26px;border-radius:var(--r-md);background:var(--panel);
  border:1px solid var(--border);position:relative;
  transition:border-color var(--ease),transform var(--ease);
}
.quote-card:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.quote-card::before{
  content:"”";position:absolute;top:6px;right:22px;font-size:52px;line-height:1;
  color:rgba(124,92,255,.28);font-family:Georgia,serif;
}
.quote-card p{font-size:15px;color:var(--text-2);margin-bottom:18px}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3)}
.avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
}

/* ===== FAQ ===== */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--border);transition:background var(--ease)}
.faq details summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 16px;position:relative;
  font-size:17px;font-weight:600;color:var(--text);border-left:3px solid transparent;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.faq details summary::-webkit-details-marker{display:none}
.faq details summary:hover{color:var(--cyan);background:rgba(255,255,255,.02)}
.faq details summary::after{
  content:"";position:absolute;right:16px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--ease);
}
.faq details[open] summary{border-left-color:var(--cyan);color:var(--text)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details[open] summary{box-shadow:inset 0 0 24px -18px rgba(43,229,200,.9)}
.faq .answer{padding:0 44px 24px 16px;color:var(--text-2);font-size:15px}

/* ===== CTA 条 ===== */
.cta-band{
  border-radius:24px;padding:44px;
  background:linear-gradient(var(--panel),var(--panel)) padding-box,
             linear-gradient(135deg,#7C5CFF,#2BE5C8,#FF4D8D) border-box;
  border:1px solid transparent;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  box-shadow:0 0 70px -40px rgba(124,92,255,1);
}
.cta-band h2{font-size:28px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--panel-deep);border-top:1px solid var(--border);padding:64px 0 28px;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--grad-line);opacity:.7}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-desc{color:var(--text-2);font-size:14.5px;max-width:320px}
.footer-title{font-size:15px;font-weight:600;margin-bottom:18px}
.footer-list{display:grid;gap:11px}
.footer-list a{color:var(--text-2);font-size:14.5px}
.footer-list a:hover{color:var(--cyan)}
.footer-list li{color:var(--text-2);font-size:14.5px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero h1{font-size:42px}
  .cd-band{grid-template-columns:1fr;gap:24px;text-align:left}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links{display:none}
  .nav-cta-desktop{display:none}
  .nav-toggle{display:flex}
  .hero{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:38px}
  .focus-grid{grid-template-columns:1fr}
  .subscribe{grid-template-columns:1fr;padding:32px;gap:28px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .sec-title{font-size:24px}
  .hero h1{font-size:30px;line-height:1.25}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .cd-band{padding:24px 20px}
  .cd-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .cd-sep{display:none}
  .cd-cell{min-width:0}
  .cd-num{font-size:30px}
  .focus-card{flex-direction:column}
  .focus-card .thumb{width:100%;flex:none;aspect-ratio:16/9}
  .focus-main{min-height:340px}
  .post-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .replay-card{flex:0 0 84%}
  .subscribe{padding:26px 20px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#0A0812;
  --panel:#14101F;
  --deep:#0E0B18;
  --primary:#7C5CFF;
  --accent:#2BE5C8;
  --magenta:#FF4D8D;
  --amber:#FFB020;
  --live:#FF3B5C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#F5F3FF;
  --text-2:rgba(245,243,255,.68);
  --text-3:rgba(245,243,255,.45);
  --grad:linear-gradient(135deg,#7C5CFF 0%,#FF4D8D 100%);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 48px -20px rgba(124,92,255,.55);
  --shadow-soft:0 16px 40px -24px rgba(0,0,0,.9);
  --ease:.28s cubic-bezier(.4,0,.2,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 380px at 12% -6%,rgba(124,92,255,.20),transparent 62%),
    radial-gradient(620px 340px at 92% 4%,rgba(43,229,200,.12),transparent 66%);
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
button,input{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(124,92,255,.45);color:#fff}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,8,18,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--grad);
}
.nav-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 10px 24px -12px rgba(124,92,255,.9);
  flex-shrink:0;
}
.logo:hover{color:#fff}
.logo:hover .logo-mark{filter:brightness(1.1)}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity var(--ease),transform var(--ease);
  box-shadow:0 0 10px rgba(43,229,200,.9);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{opacity:1;transform:scaleX(1)}

.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  position:relative;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:rgba(43,229,200,.5)}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform var(--ease),opacity var(--ease),top var(--ease),bottom var(--ease);
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle::before{top:15px}
.nav-toggle::after{bottom:15px}
body.nav-open .nav-toggle span{opacity:0}
body.nav-open .nav-toggle::before{top:21px;transform:rotate(45deg);background:var(--accent)}
body.nav-open .nav-toggle::after{bottom:21px;transform:rotate(-45deg);background:var(--accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:13px 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),border-color var(--ease),color var(--ease),background var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(0) scale(.985)}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 14px 34px -18px rgba(124,92,255,.95);
}
.btn-primary:hover{
  transform:translateY(-1px);
  filter:brightness(1.08);
  box-shadow:0 22px 46px -18px rgba(124,92,255,1);
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  transform:translateY(-1px);
  border-color:rgba(43,229,200,.6);
  color:var(--accent);
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-pill{border-radius:999px}

/* ---------- 通用标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  color:var(--accent);
  background:rgba(43,229,200,.10);
  border:1px solid rgba(43,229,200,.28);
}
.tag-warm{color:var(--amber);background:rgba(255,176,32,.10);border-color:rgba(255,176,32,.30)}
.tag-live{color:#FFD9E0;background:rgba(255,59,92,.14);border-color:rgba(255,59,92,.36)}

/* ---------- 分类顶部条带 ---------- */
.page-band{
  position:relative;
  padding:44px 0 68px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(20,16,31,.92),rgba(10,8,18,.6)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
}
.page-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,8,18,.92) 0%,rgba(10,8,18,.62) 55%,rgba(14,11,24,.86) 100%);
  pointer-events:none;
}
.page-band .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:var(--text-2)}
.band-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:40px;
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--accent);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--grad);
}
.page-band h1{
  font-size:46px;
  line-height:1.16;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.band-desc{
  font-size:16px;
  color:var(--text-2);
  max-width:640px;
}
.band-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.stat-badge{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(20,16,31,.86);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.stat-badge .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(43,229,200,.16);
  flex-shrink:0;
}
.stat-badge .dot.pulse{animation:pulse 2s infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(43,229,200,.16)}
  50%{box-shadow:0 0 0 8px rgba(43,229,200,.05)}
}
.stat-badge b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  color:var(--text);
  font-weight:700;
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;position:relative}
.section-deep{background:var(--deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  position:relative;
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.section-head p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--text-2);
  max-width:680px;
}

/* ---------- 通栏大卡 ---------- */
.feature-card{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  margin-bottom:28px;
}
.feature-card:hover{
  border-color:rgba(43,229,200,.45);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.feature-media{position:relative;overflow:hidden;min-height:320px}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,8,18,.05),rgba(10,8,18,.55));
  transition:opacity var(--ease);
}
.feature-card:hover .feature-media::after{opacity:.7}
.feature-media .float-tag{
  position:absolute;
  left:18px;top:18px;
  z-index:2;
}
.feature-body{
  padding:36px 34px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
}
.feature-body h3{
  font-size:24px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:-.01em;
}
.feature-body p{color:var(--text-2);font-size:15.5px}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.card:hover{
  border-color:rgba(43,229,200,.45);
  box-shadow:var(--shadow);
  transform:translateY(-3px);
}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--deep)}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.card:hover .card-media img{transform:scale(1.05)}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,8,18,0),rgba(10,8,18,.62));
  transition:opacity var(--ease);
}
.card:hover .card-media::after{opacity:.72}
.card-media .on-media{
  position:absolute;
  left:14px;bottom:12px;
  z-index:2;
  font-size:12px;
  color:var(--text);
  background:rgba(10,8,18,.66);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;letter-spacing:-.01em}
.card-body p{
  font-size:14.5px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}
.link-arrow i{font-style:normal;transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 场景区 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.scene{
  position:relative;
  padding:28px 26px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.scene:hover{border-color:rgba(43,229,200,.4);transform:translateY(-3px)}
.scene .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(43,229,200,.75);
  letter-spacing:.02em;
}
.scene h3{margin:14px 0 10px;font-size:19px;font-weight:600}
.scene p{font-size:14.5px;color:var(--text-2)}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px;
  background:var(--deep);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:rgba(124,92,255,.5);transform:translateY(-3px)}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;
  color:var(--primary);
  margin-bottom:10px;
  letter-spacing:.08em;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- 回放提示条 ---------- */
.replay-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:26px 30px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(43,229,200,.28);
  background:linear-gradient(120deg,rgba(43,229,200,.10),rgba(124,92,255,.10));
}
.replay-band h3{font-size:19px;font-weight:600;margin-bottom:6px}
.replay-band p{font-size:14.5px;color:var(--text-2);max-width:640px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q .chev{
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  font-size:12px;
  color:var(--text-2);
  transition:transform var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item.open .faq-q{color:var(--accent)}
.faq-item.open .chev{transform:rotate(180deg);color:var(--accent);border-color:rgba(43,229,200,.6)}
.faq-item.open{border-left:3px solid var(--accent);padding-left:14px}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a p{
  padding:0 4px 22px;
  font-size:15px;
  color:var(--text-2);
}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:40px;
  align-items:center;
  padding:48px 44px;
  border-radius:24px;
  background:linear-gradient(140deg,rgba(124,92,255,.16),rgba(20,16,31,.96) 55%,rgba(255,77,141,.12));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--grad);
}
.cta-panel h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.cta-panel p{font-size:15.5px;color:var(--text-2)}
.subscribe-form{display:flex;flex-direction:column;gap:14px}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.input{
  flex:1 1 220px;
  min-width:0;
  padding:14px 18px;
  border-radius:var(--radius-sm);
  background:rgba(10,8,18,.85);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.input::placeholder{color:var(--text-3)}
.input:hover{border-color:rgba(255,255,255,.24)}
.input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(43,229,200,.14);
}
.form-note{font-size:13px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:0;
  padding:72px 0 28px;
  background:var(--deep);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.8),rgba(43,229,200,.6),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:var(--text-2)}
.footer-list a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-band h1{font-size:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-toggle{display:block}
  .nav-cta-desktop{display:none}
  .nav-links{
    position:fixed;
    inset:0;
    z-index:90;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:4px;
    padding:104px 24px 40px;
    background:rgba(10,8,18,.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
  }
  body.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-link{
    font-size:19px;
    font-weight:600;
    padding:18px 4px;
    border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.08);
    color:var(--text);
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent);border-bottom-color:rgba(43,229,200,.5)}
  .band-grid{grid-template-columns:1fr;gap:30px;align-items:start}
  .page-band h1{font-size:34px}
  .band-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:260px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-band{padding:32px 0 52px}
  .page-band h1{font-size:30px;line-height:1.25}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:32px}
  .band-stats{grid-template-columns:1fr 1fr}
  .feature-body{padding:26px 22px}
  .feature-body h3{font-size:20px}
  .card-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .replay-band{flex-direction:column;align-items:flex-start;padding:22px}
  .cta-panel{padding:30px 22px;gap:26px}
  .cta-panel h2{font-size:24px}
  .field-row{flex-direction:column}
  .input{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --bg:#0A0812;
  --panel:#14101F;
  --panel-deep:#0E0B18;
  --primary:#7C5CFF;
  --accent:#2BE5C8;
  --pink:#FF4D8D;
  --amber:#FFB020;
  --live:#FF3B5C;
  --text:#F5F3FF;
  --text-2:rgba(245,243,255,.68);
  --text-3:rgba(245,243,255,.45);
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(43,229,200,.45);
  --grad:linear-gradient(135deg,#7C5CFF 0%,#FF4D8D 100%);
  --radius-lg:20px;
  --radius:16px;
  --radius-btn:12px;
  --shadow-glow:0 18px 48px -20px rgba(124,92,255,.55);
  --shadow-card:0 20px 50px -30px rgba(0,0,0,.9);
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(124,92,255,.16),transparent 70%),
    radial-gradient(620px 360px at 92% 4%,rgba(43,229,200,.10),transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(124,92,255,.45);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,8,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:13px;font-weight:800;letter-spacing:0;
  box-shadow:var(--shadow-glow);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--accent);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px var(--accent);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;align-items:center;justify-content:center;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--line-hi);background:rgba(43,229,200,.08);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-glow);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 22px 54px -18px rgba(124,92,255,.72);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--line-hi);color:var(--accent);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0) scale(.99);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:44px 0 40px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(10,8,18,.74) 0%,rgba(10,8,18,.94) 62%,rgba(10,8,18,1) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(245,243,255,.28);}
.breadcrumb .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:48px;line-height:1.15;font-weight:700;letter-spacing:-.01em;
  max-width:900px;margin-bottom:20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-2);}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12px;line-height:1.6;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);
}
.tag-accent{border-color:rgba(43,229,200,.35);color:var(--accent);background:rgba(43,229,200,.08);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(245,243,255,.25);}
.meta-num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}

/* ============ 正文区 ============ */
.article-section{padding:64px 0 84px;}
.article-shell{max-width:820px;margin:0 auto;}
.article-body{font-size:16px;line-height:1.85;color:var(--text-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;padding-left:16px;margin:2.3em 0 .85em;
  font-size:26px;line-height:1.4;font-weight:700;color:var(--text);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{
  margin:1.9em 0 .7em;font-size:20px;line-height:1.5;font-weight:600;color:var(--text);
}
.article-body h4{margin:1.6em 0 .6em;font-size:17px;font-weight:600;color:var(--text);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 8px rgba(43,229,200,.7);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.5em 0;padding-left:.2em;}
.article-body ol li::marker{color:var(--accent);font-weight:700;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(43,229,200,.4);transition:border-color var(--ease);}
.article-body a:hover{border-color:var(--accent);}
.article-body img{border-radius:var(--radius);margin:1.6em 0;box-shadow:var(--shadow-card);}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;border-left:3px solid var(--primary);
  background:linear-gradient(90deg,rgba(124,92,255,.14),rgba(124,92,255,0));
  border-radius:0 14px 14px 0;color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.7em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead{background:var(--panel);}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{color:var(--text);font-weight:600;font-size:14px;}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body code{
  padding:2px 7px;border-radius:6px;background:rgba(124,92,255,.16);
  color:#D9D2FF;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body hr{border:none;height:1px;background:var(--line);margin:2.4em 0;}

.author-box{
  margin-top:52px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.author-avatar{
  width:46px;height:46px;border-radius:14px;background:var(--grad);display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;flex:0 0 auto;box-shadow:var(--shadow-glow);
}
.author-info{flex:1 1 220px;min-width:0;}
.author-name{font-size:15px;font-weight:600;color:var(--text);}
.author-desc{font-size:13px;color:var(--text-3);}
.author-src{font-size:13px;color:var(--text-2);}

.empty-state{
  text-align:center;padding:64px 28px;border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--panel-deep);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;display:grid;place-items:center;
  background:rgba(124,92,255,.14);border:1px solid var(--line);font-size:26px;color:var(--accent);
}
.empty-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:10px;}
.empty-desc{font-size:14.5px;color:var(--text-2);max-width:520px;margin:0 auto 24px;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 84px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.section-sub{font-size:14px;color:var(--text-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--panel);transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.rec-card:hover{border-color:var(--line-hi);transform:translateY(-3px);box-shadow:0 26px 56px -30px rgba(124,92,255,.8);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(124,92,255,.35),rgba(43,229,200,.22));}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,8,18,0) 40%,rgba(10,8,18,.6) 100%);}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-title{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;}
.rec-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--accent);}
.link-more span{transition:transform var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;padding:56px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(14,11,24,.94),rgba(20,16,31,.88)),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-title{font-size:28px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;}
.cta-desc{font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--panel-deep);padding:64px 0 0;border-top:1px solid var(--line);}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--text-2);transition:color var(--ease),padding-left var(--ease);}
.footer-list a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-title{font-size:42px;}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    flex-direction:column;align-items:flex-start;gap:4px;
    padding:28px 24px;background:rgba(10,8,18,.98);
    border-top:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{width:100%;padding:16px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link.active::after{left:8px;right:auto;width:26px;bottom:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta-desktop{display:none;}
  .article-section{padding:56px 0 72px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-hero{padding:32px 0 30px;}
  .article-title{font-size:30px;line-height:1.25;}
  .section-title{font-size:24px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-section{padding:44px 0 56px;}
  .related-section{padding-bottom:56px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 0;}
  .cta-title{font-size:22px;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .breadcrumb .current{max-width:220px;}
}
@media (max-width:479px){
  .article-title{font-size:26px;}
  .meta-row{gap:8px;}
  .btn{padding:11px 20px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0812;
  --panel:#14101F;
  --deep:#0E0B18;
  --primary:#7C5CFF;
  --cyan:#2BE5C8;
  --pink:#FF4D8D;
  --amber:#FFB020;
  --live:#FF3B5C;
  --text:#F5F3FF;
  --text-2:rgba(245,243,255,.68);
  --text-3:rgba(245,243,255,.45);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(43,229,200,.45);
  --grad:linear-gradient(135deg,#7C5CFF 0%,#FF4D8D 100%);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-glow:0 18px 48px -20px rgba(124,92,255,.55);
  --shadow-glow-strong:0 22px 60px -18px rgba(255,77,141,.55);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.site-body img{max-width:100%;display:block;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.site-body summary{list-style:none;cursor:pointer}
.site-body summary::-webkit-details-marker{display:none}
.site-body input{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.numeric{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,8,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  font-family:var(--font-num);font-size:13px;font-weight:800;color:#fff;
  box-shadow:0 10px 26px -12px rgba(124,92,255,.95);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{
  color:var(--cyan);
  background:rgba(43,229,200,.08);
  text-shadow:0 0 18px rgba(43,229,200,.5);
}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px rgba(43,229,200,.85);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.4;white-space:nowrap;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),border-color var(--ease),color var(--ease),background var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 18px 44px -22px rgba(124,92,255,.95)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:var(--shadow-glow-strong)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.03);color:var(--text)}
.btn-ghost:hover{transform:translateY(-1px);border-color:var(--cyan);color:var(--cyan);box-shadow:0 16px 40px -24px rgba(43,229,200,.9)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-pill{border-radius:999px}

/* ============ banner ============ */
.page-hero{position:relative;overflow:hidden;background:var(--deep);border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,8,18,.97) 0%,rgba(10,8,18,.86) 46%,rgba(10,8,18,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 24px 64px;max-width:1240px;margin:0 auto}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2);transition:color var(--ease)}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{opacity:.5}
.page-title{
  font-size:clamp(30px,4.2vw,48px);line-height:1.15;font-weight:700;
  letter-spacing:-.01em;margin:0 0 18px;max-width:22em;
}
.page-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:44em;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(20,16,31,.85);
  font-size:13px;color:var(--text-2);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(43,229,200,.9)}
.badge strong{color:var(--text);font-weight:700}
.badge-amber .dot{background:var(--amber);box-shadow:0 0 10px rgba(255,176,32,.9)}

/* ============ sections ============ */
.section{padding:96px 0}
.section-alt{background:var(--deep)}
.section-head{max-width:44em;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--cyan);margin-bottom:12px}
.section-title{
  position:relative;padding-left:16px;margin:0 0 14px;
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);
}
.section-sub{margin:0;color:var(--text-2);font-size:15.5px}

/* ============ scenario cards ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  padding:26px 24px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--panel);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.scene-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;margin-bottom:18px;
  border:1px solid rgba(124,92,255,.5);color:var(--cyan);
  font-family:var(--font-num);font-size:15px;font-weight:700;
  box-shadow:0 0 22px -8px rgba(124,92,255,.9) inset;
}
.scene-title{font-size:19px;font-weight:600;margin:0 0 10px;letter-spacing:-.01em}
.scene-text{margin:0;color:var(--text-2);font-size:15px}

/* ============ replay rows ============ */
.replay-list{display:flex;flex-direction:column;gap:20px}
.replay-row{
  display:grid;grid-template-columns:288px 1fr;gap:26px;align-items:center;
  padding:20px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--panel);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.replay-row:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.replay-thumb{position:relative;overflow:hidden;border-radius:var(--radius-md);aspect-ratio:16/9;background:var(--deep)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.4,0,.2,1)}
.replay-row:hover .replay-thumb img{transform:scale(1.04)}
.replay-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,8,18,.15) 0%,rgba(10,8,18,.72) 100%);
  transition:opacity var(--ease);
}
.replay-row:hover .replay-thumb::after{opacity:.7}
.thumb-time{
  position:absolute;right:10px;bottom:10px;z-index:2;
  padding:3px 10px;border-radius:999px;background:rgba(10,8,18,.86);
  font-family:var(--font-num);font-size:12px;color:var(--text);
  border:1px solid var(--line);
}
.thumb-state{
  position:absolute;left:10px;top:10px;z-index:2;
  padding:3px 10px;border-radius:999px;
  font-size:12px;color:#fff;background:var(--live);
  box-shadow:0 0 18px -4px rgba(255,59,92,.85);
}
.thumb-state.is-ready{background:rgba(43,229,200,.18);border:1px solid rgba(43,229,200,.55);color:var(--cyan);box-shadow:none}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;color:var(--cyan);
  border:1px solid rgba(43,229,200,.35);background:rgba(43,229,200,.08);
}
.tag-mute{color:var(--text-3);border-color:var(--line);background:rgba(255,255,255,.03)}
.row-date{font-size:13px;color:var(--text-3)}
.row-title{font-size:20px;font-weight:600;line-height:1.45;margin:0 0 10px;letter-spacing:-.01em}
.row-desc{
  margin:0 0 16px;color:var(--text-2);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.text-link .arrow{transition:transform var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
.row-note{font-size:13px;color:var(--text-3)}

/* ============ steps ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  list-style:none;margin:0;padding:0;counter-reset:step;
}
.step-item{
  position:relative;padding:24px 22px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--panel);
  transition:border-color var(--ease),transform var(--ease);
}
.step-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.step-no{
  display:block;margin-bottom:14px;
  font-family:var(--font-num);font-size:26px;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step-title{font-size:17px;font-weight:600;margin:0 0 8px}
.step-text{margin:0;font-size:14.5px;color:var(--text-2)}

/* ============ subscribe ============ */
.subscribe-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:40px;border-radius:var(--radius-lg);
  border:1px solid rgba(124,92,255,.35);background:var(--panel);
  box-shadow:var(--shadow-glow);
}
.subscribe-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;margin:0 0 14px;letter-spacing:-.01em}
.subscribe-text{margin:0 0 18px;color:var(--text-2);font-size:15.5px}
.subscribe-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.subscribe-points li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2)}
.subscribe-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px rgba(43,229,200,.9);
}
.sub-form{display:flex;flex-direction:column;gap:14px}
.field{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:#0B0914;border:1px solid var(--line);color:var(--text);
  font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(43,229,200,.16),inset 0 0 22px -14px rgba(43,229,200,.9);
}
.privacy{margin:0;font-size:12.5px;color:var(--text-3)}

/* ============ faq ============ */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 8px 22px 20px;font-size:17px;font-weight:600;line-height:1.6;
  transition:color var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity var(--ease);
}
.faq-item[open] .faq-q{color:var(--cyan)}
.faq-item[open] .faq-q::before{opacity:1}
.faq-q:hover{color:var(--cyan)}
.faq-ico{flex:none;color:var(--text-3);transition:transform var(--ease),color var(--ease)}
.faq-item[open] .faq-ico{transform:rotate(180deg);color:var(--cyan)}
.faq-a{padding:0 24px 24px 20px}
.faq-a p{margin:0;color:var(--text-2);font-size:15px}

/* ============ cta band ============ */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:38px 40px;border-radius:var(--radius-lg);
  border:1px solid rgba(255,77,141,.32);
  background:linear-gradient(135deg,rgba(124,92,255,.16) 0%,rgba(255,77,141,.12) 100%);
  box-shadow:var(--shadow-glow);
}
.cta-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin:0 0 10px;letter-spacing:-.01em}
.cta-text{margin:0;color:var(--text-2);font-size:15px;max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ footer ============ */
.site-footer{position:relative;background:var(--deep);padding:72px 0 28px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;margin-bottom:14px}
.footer-desc{margin:0;color:var(--text-3);font-size:14px;max-width:30em}
.footer-title{margin:0 0 16px;font-size:14px;font-weight:600;color:var(--text)}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:var(--text-3);transition:color var(--ease),padding-left var(--ease)}
.footer-list a:hover{color:var(--cyan);padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:68px;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    padding:18px 20px 40px;overflow-y:auto;
    background:rgba(10,8,18,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{
    padding:18px 8px;font-size:16px;border-radius:0;
    border-bottom:1px solid rgba(124,92,255,.2);
  }
  .nav-link:hover{background:none}
  .nav-link.active{background:none}
  .nav-link.active::after{left:8px;right:auto;width:36px;bottom:10px}
  .section{padding:72px 0}
  .scene-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .replay-row{grid-template-columns:220px 1fr;gap:20px}
  .subscribe-panel{grid-template-columns:1fr;gap:28px;padding:32px}
  .cta-band{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .page-hero-inner{padding:36px 20px 48px}
  .page-lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .replay-row{grid-template-columns:1fr;gap:16px;padding:16px}
  .row-title{font-size:18px}
  .subscribe-panel{padding:26px 20px}
  .faq-q{font-size:16px;padding:18px 6px 18px 18px}
  .faq-a{padding:0 12px 20px 18px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}