/* roulang page: index */
:root{
  --bg:#070D18;
  --bg-soft:#0A1220;
  --panel:rgba(14,25,45,.62);
  --panel-strong:rgba(16,30,54,.86);
  --line:rgba(120,200,255,.18);
  --line-strong:rgba(120,200,255,.38);
  --primary:#2FA8FF;
  --primary-soft:#7FCBFF;
  --accent:#FF8A3D;
  --success:#38E8B0;
  --warn:#FFB020;
  --danger:#FF5C5C;
  --text:#EAF3FF;
  --muted:#95A9C4;
  --faint:#6F84A0;
  --radius-xl:26px;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-glow:0 8px 30px rgba(47,168,255,.32);
  --shadow-accent:0 8px 30px rgba(255,138,61,.30);
  --container:1240px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 78% -8%,rgba(47,168,255,.16),transparent 62%),
    radial-gradient(760px 520px at 6% 12%,rgba(255,138,61,.09),transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(47,168,255,.32)}

.container{width:min(100% - 32px,var(--container));margin-inline:auto}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;font-weight:600;
  color:var(--primary-soft);text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(47,168,255,.08);
  margin-bottom:18px;
}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;border:1px solid transparent;
}
.btn i{transition:transform .22s var(--ease)}
.btn:hover i.fa-arrow-right{transform:translateX(3px)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:focus-visible{outline:2px solid var(--primary-soft);outline-offset:3px}
.btn-primary{background:linear-gradient(135deg,#FF9C57,#FF7A26);color:#241000;box-shadow:var(--shadow-accent)}
.btn-primary:hover{box-shadow:0 12px 38px rgba(255,138,61,.46);filter:brightness(1.06);transform:translateY(-2px)}
.btn-blue{background:linear-gradient(135deg,#3FB2FF,#1E88E5);color:#04131F;box-shadow:var(--shadow-glow)}
.btn-blue:hover{box-shadow:0 12px 38px rgba(47,168,255,.5);transform:translateY(-2px)}
.btn-ghost{background:rgba(14,25,45,.6);border-color:var(--line-strong);color:var(--text);backdrop-filter:blur(14px)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(47,168,255,.12);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
}
.badge i{font-size:8px}
.badge-live{color:#FFD9BF;border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.14)}
.badge-live i{color:var(--accent);animation:pulse 1.6s infinite}
.badge-soon{color:#CFE9FF;border-color:rgba(47,168,255,.4);background:rgba(47,168,255,.12)}
.badge-end{color:#B9C8DC}
.badge-replay{color:#B9F7E3;border-color:rgba(56,232,176,.38);background:rgba(56,232,176,.12)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ===== 卡片通用 ===== */
.glass{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.72);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(120,200,255,.12);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,168,255,.9),rgba(255,138,61,.85));
  color:#04131F;font-size:17px;font-weight:800;
  box-shadow:0 6px 22px rgba(47,168,255,.36);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-text span{font-size:11.5px;color:var(--faint);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(47,168,255,.1)}
.nav-link.active{color:var(--text);background:rgba(47,168,255,.14)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(47,168,255,.8);
}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(14,25,45,.6);align-items:center;justify-content:center;color:var(--text);
}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 auto 0;z-index:79;
  background:rgba(8,15,27,.97);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);padding:16px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;color:var(--muted);font-size:16px;
}
.mobile-drawer a.active,.mobile-drawer a:hover{background:rgba(47,168,255,.12);color:var(--text)}

/* ===== Hero ===== */
.hero{position:relative;padding:64px 0 48px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(180deg,rgba(7,13,24,.82),rgba(7,13,24,.96)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.hero-copy h1{
  font-size:clamp(32px,4.6vw,52px);line-height:1.22;margin:16px 0 18px;font-weight:800;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#8FD2FF,#2FA8FF 42%,#FFA768);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--muted);font-size:17.5px;max-width:56ch;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid rgba(120,200,255,.14)}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--primary-soft);font-variant-numeric:tabular-nums}
.hero-stat span{font-size:13px;color:var(--faint)}

.hero-media{position:relative}
.cover-card{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 0 1px rgba(47,168,255,.14) inset;
}
.cover-card img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .6s var(--ease)}
.cover-card:hover img{transform:scale(1.03)}
.cover-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.05) 30%,rgba(7,13,24,.9));
  display:flex;flex-direction:column;justify-content:space-between;padding:18px;
}
.cover-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.cover-bottom h3{font-size:19px;margin-bottom:6px}
.cover-bottom p{font-size:13.5px;color:var(--muted)}
.play-dot{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,138,61,.92);color:#241000;box-shadow:0 8px 26px rgba(255,138,61,.5);
}
.hero-float{
  position:absolute;left:-18px;bottom:-20px;padding:14px 18px;border-radius:var(--radius);
  background:var(--panel-strong);border:1px solid var(--line);backdrop-filter:blur(18px);
  box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;max-width:270px;
}
.hero-float i{color:var(--success);font-size:20px}
.hero-float b{display:block;font-size:14.5px}
.hero-float span{font-size:12.5px;color:var(--faint)}

/* 倒计时 */
.countdown{
  margin-top:34px;padding:22px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(18px);
  display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
}
.countdown-label{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:9px}
.countdown-label i{color:var(--accent)}
.countdown-slots{display:flex;gap:12px;flex-wrap:wrap}
.slot{
  min-width:82px;padding:12px 8px;text-align:center;border-radius:14px;
  background:linear-gradient(180deg,rgba(47,168,255,.14),rgba(14,25,45,.5));
  border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.slot b{
  display:block;font-size:30px;font-weight:800;line-height:1;
  font-family:"DIN Alternate","SF Mono",ui-monospace,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;color:#fff;text-shadow:0 0 18px rgba(47,168,255,.6);
}
.slot span{display:block;font-size:12px;color:var(--faint);margin-top:6px}
.countdown-note{font-size:13px;color:var(--faint);text-align:right}

/* ===== 看点时间轴 ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(255,138,61,.7),transparent);
}
.tl-item{position:relative;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(47,168,255,.14);
}
.tl-item strong{display:block;font-size:17px;margin-bottom:4px}
.tl-item p{color:var(--muted);font-size:15px}
.tl-num{
  display:inline-block;font-size:12px;color:var(--primary-soft);letter-spacing:.16em;
  font-weight:700;margin-bottom:4px;
}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}

/* ===== 订阅表单 ===== */
.subscribe-card{padding:30px;border-radius:var(--radius-xl)}
.subscribe-card h3{font-size:22px;margin-bottom:8px}
.subscribe-card > p{color:var(--muted);font-size:15px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px}
.input-row{display:flex;gap:10px}
.input{
  flex:1;min-height:48px;padding:12px 16px;border-radius:12px;
  background:rgba(8,15,27,.7);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.input::placeholder{color:var(--faint)}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,168,255,.18);background:rgba(8,15,27,.92)}
.input.error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,92,92,.14)}
.code-btn{
  min-width:112px;min-height:48px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(47,168,255,.12);color:var(--primary-soft);font-size:14px;font-weight:600;
  transition:background .2s var(--ease);
}
.code-btn:hover{background:rgba(47,168,255,.2)}
.code-btn:disabled{opacity:.55;cursor:not-allowed}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:6px 0 18px}
.check input{margin-top:5px;width:16px;height:16px;accent-color:#2FA8FF;flex-shrink:0}
.check a{color:var(--primary-soft);text-decoration:underline}
.form-msg{margin-top:14px;font-size:14px;display:none;align-items:flex-start;gap:8px}
.form-msg.show{display:flex}
.form-msg.ok{color:var(--success)}
.form-msg.bad{color:var(--danger)}
.spinner{
  width:15px;height:15px;border-radius:50%;border:2px solid rgba(4,19,31,.3);
  border-top-color:#04131F;animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 回放横滑 ===== */
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.scroll-row::-webkit-scrollbar{height:7px}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(47,168,255,.32);border-radius:99px}
.replay-card{
  flex:0 0 300px;scroll-snap-align:start;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(16px);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.replay-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 46px rgba(0,0,0,.45)}
.replay-thumb{position:relative;overflow:hidden}
.replay-thumb img{aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.replay-card:hover .replay-thumb img{transform:scale(1.05)}
.replay-thumb .dur{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:8px;
  background:rgba(7,13,24,.82);font-size:12px;color:#D8E8FA;font-variant-numeric:tabular-nums;
}
.replay-body{padding:16px 18px 18px}
.replay-body h3{font-size:16.5px;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.replay-meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--faint)}

/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(16px);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 18px 46px rgba(0,0,0,.45)}
.news-link{display:flex;gap:16px;padding:16px;align-items:stretch}
.news-thumb{flex:0 0 132px;border-radius:14px;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--faint);flex-wrap:wrap}
.chip{
  padding:2px 10px;border-radius:999px;font-size:12px;
  background:rgba(47,168,255,.14);color:var(--primary-soft);border:1px solid rgba(47,168,255,.24);
}
.news-title{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{
  font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:48px 20px;border-radius:var(--radius-lg);
  background:rgba(14,25,45,.4);border:1px dashed var(--line);
}
.empty-state i{font-size:30px;color:var(--faint);margin-bottom:12px;display:block}
.empty-state p{color:var(--muted);font-size:15px}

/* ===== 信任能力 ===== */
.trust-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.cap-list{display:grid;gap:14px}
.cap-item{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius);
  background:rgba(14,25,45,.5);border:1px solid var(--line);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.cap-item:hover{border-color:var(--line-strong);background:rgba(47,168,255,.08)}
.cap-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:rgba(47,168,255,.14);color:var(--primary-soft);font-size:18px;
}
.cap-item h3{font-size:16.5px;margin-bottom:5px}
.cap-item p{font-size:14.5px;color:var(--muted)}
.data-card{
  padding:26px;border-radius:var(--radius-xl);position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(10,18,32,.86),rgba(10,18,32,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);display:flex;flex-direction:column;gap:18px;
}
.data-card h3{font-size:20px}
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.data-cell{
  padding:14px;border-radius:14px;background:rgba(7,13,24,.6);border:1px solid var(--line);
}
.data-cell b{display:block;font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.data-cell span{font-size:12.5px;color:var(--muted)}
.cert-row{display:flex;flex-wrap:wrap;gap:9px}
.cert-row span{
  font-size:12px;padding:5px 11px;border-radius:999px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;margin-inline:auto}
.faq-item{border-radius:var(--radius);border:1px solid var(--line);background:rgba(14,25,45,.5);overflow:hidden;transition:border-color .25s var(--ease)}
.faq-item.open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(47,168,255,.16)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;justify-content:space-between;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-q i{color:var(--primary-soft);transition:transform .3s var(--ease);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 20px 20px;color:var(--muted);font-size:15px}

/* ===== 底部 CTA ===== */
.cta-band{
  padding:44px;border-radius:var(--radius-xl);text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(47,168,255,.16),rgba(255,138,61,.12)),rgba(10,18,32,.7);
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{color:var(--muted);max-width:64ch;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:32px;border-top:1px solid rgba(120,200,255,.16);
  background:linear-gradient(180deg,rgba(9,16,29,.6),rgba(6,11,20,.95));
  padding:58px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:14px;max-width:34ch}
.foot-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text)}
.foot-col a,.foot-col li{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--primary-soft)}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(120,200,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);
}
.foot-bottom a{color:var(--faint)}
.foot-bottom a:hover{color:var(--primary-soft)}

/* ===== 移动底部 Tab ===== */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(8,15,27,.94);backdrop-filter:blur(20px);
  border-top:1px solid rgba(120,200,255,.16);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns:repeat(5,1fr);
}
.tab{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 2px;border-radius:12px;font-size:11.5px;color:var(--faint);
  transition:color .2s var(--ease),background .2s var(--ease);min-height:44px;justify-content:center;
}
.tab i{font-size:17px}
.tab.active{color:var(--primary-soft);background:rgba(47,168,255,.12);text-shadow:0 0 14px rgba(47,168,255,.6)}
.tab.active i{filter:drop-shadow(0 0 8px rgba(47,168,255,.8))}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .container{width:min(100% - 40px,var(--container))}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{order:-1}
  .split{grid-template-columns:1fr;gap:28px}
  .news-grid{grid-template-columns:1fr}
  .trust-wrap{grid-template-columns:1fr}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .nav-cta{margin-left:0}
  .section{padding:70px 0}
  .countdown{grid-template-columns:1fr;gap:16px}
  .countdown-note{text-align:left}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  body{padding-bottom:calc(78px + env(safe-area-inset-bottom))}
  .mobile-tabbar{display:grid}
  .brand-text span{display:none}
  .hero{padding:36px 0 28px}
  .hero-float{position:static;margin-top:14px;max-width:none}
  .section{padding:52px 0}
  .slot{min-width:66px;padding:10px 6px}
  .slot b{font-size:24px}
  .news-link{flex-direction:column}
  .news-thumb{flex:none;width:100%}
  .news-thumb img{aspect-ratio:16/9}
  .replay-card{flex:0 0 82%}
  .cta-band{padding:28px 20px}
  .data-grid{grid-template-columns:1fr 1fr}
  .input-row{flex-direction:column}
  .code-btn{min-height:44px;width:100%}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:576px){
  .container{width:min(100% - 28px,var(--container))}
  .hero-copy h1{font-size:30px}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:18px}
  .brand-text b{font-size:14.5px}
  .data-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --bg:#070D18;
  --bg-2:#0A1220;
  --panel:rgba(14,25,45,.62);
  --panel-2:rgba(14,25,45,.85);
  --line:rgba(120,200,255,.18);
  --line-strong:rgba(120,200,255,.36);
  --text:#E8F1FF;
  --text-2:#9CB2CC;
  --text-3:#6D839C;
  --brand:#2FA8FF;
  --brand-soft:rgba(47,168,255,.14);
  --orange:#FF8A3D;
  --green:#38E8B0;
  --warn:#FFB020;
  --danger:#FF5C5C;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --glow:0 8px 30px rgba(47,168,255,.35);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(47,168,255,.16),transparent 62%),
    radial-gradient(760px 480px at 92% 4%,rgba(255,138,61,.12),transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,13,24,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#8FD4FF);
  color:#04121F;font-weight:800;font-size:20px;
  box-shadow:0 6px 22px rgba(47,168,255,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text b{color:var(--text);font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.brand-text span{color:var(--text-3);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--brand-soft);border-color:var(--line)}
.nav-link.active{
  color:#05121E;font-weight:700;
  background:linear-gradient(135deg,var(--brand),#87CEFF);
  box-shadow:0 6px 22px rgba(47,168,255,.4);
}
.header-cta{margin-left:10px;flex-shrink:0}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;line-height:1;
}
.btn i{font-size:13px;transition:transform .22s ease}
.btn-primary{
  background:linear-gradient(135deg,var(--orange),#FFB176);
  color:#23110A;box-shadow:0 8px 30px rgba(255,138,61,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(255,138,61,.5);filter:brightness(1.05)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-ghost{background:rgba(14,25,45,.6);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:0 10px 30px rgba(47,168,255,.28)}
.btn-ghost:hover i{transform:translateX(3px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:9px 16px;font-size:13.5px}

/* ============ tags / badges ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;color:var(--text-2);
  border:1px solid var(--line);background:rgba(14,25,45,.66);
}
.tag-brand{color:#A6DBFF;border-color:rgba(47,168,255,.45);background:rgba(47,168,255,.13)}
.tag-live{color:#FFD7BC;border-color:rgba(255,138,61,.5);background:rgba(255,138,61,.16)}
.tag-ok{color:#B8F5E2;border-color:rgba(56,232,176,.42);background:rgba(56,232,176,.13)}

/* ============ page hero / breadcrumb ============ */
.page-hero{
  position:relative;padding:52px 0 54px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.86) 0%,rgba(7,13,24,.94) 60%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;color:var(--text-3)}
.breadcrumb .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.page-hero h1{
  font-size:clamp(28px,4.1vw,46px);line-height:1.28;max-width:900px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13.5px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}

/* ============ article layout ============ */
.section{padding:64px 0}
.article-section{padding-top:48px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:40px;align-items:start}
.article-card{
  background:var(--panel);border:1px solid var(--line);border-radius:24px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);padding:34px 38px;
}
.article-main{max-width:860px}
.toc-toggle{
  display:none;align-items:center;gap:8px;width:100%;margin-bottom:16px;
  padding:13px 18px;border-radius:14px;cursor:pointer;
  background:rgba(14,25,45,.7);border:1px solid var(--line);color:var(--text);font-size:14.5px;
}
.article-body{font-size:17px;line-height:1.9;color:#B9CADD}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(22px,2.3vw,30px);margin:2em 0 .75em;padding-left:16px;
  border-left:4px solid var(--brand);line-height:1.4;
}
.article-body h3{font-size:clamp(18px,1.7vw,22px);margin:1.7em 0 .6em;color:#DCEBFF}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:#DCEBFF}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(47,168,255,.38);text-underline-offset:4px}
.article-body a:hover{text-decoration-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body li{margin:.55em 0}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:#E8F1FF}
.article-body img{border-radius:16px;margin:1.8em auto;box-shadow:0 16px 44px rgba(0,0,0,.42)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-radius:0 16px 16px 0;
  border-left:3px solid var(--orange);background:rgba(255,138,61,.09);color:#EDE3DA;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  background:rgba(47,168,255,.14);color:#A6DBFF;padding:.14em .45em;
  border-radius:6px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#08111F;border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;overflow:auto;margin:1.6em 0;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:#B9CADD}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(47,168,255,.1);color:var(--text)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ aside ============ */
.article-aside{position:sticky;top:96px;display:grid;gap:18px}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:20px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);padding:22px;
}
.side-card h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:14px}
.toc-list{list-style:none;display:grid;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;font-size:13.8px;color:var(--text-2);
  border-left:2px solid transparent;transition:all .2s;line-height:1.55;
}
.toc-list a:hover{color:var(--text);background:var(--brand-soft);border-left-color:var(--brand)}
.toc-list li.toc-sub a{padding-left:24px;font-size:13px;color:var(--text-3)}
.help-card p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.help-card .btn{width:100%}
.side-list{list-style:none;display:grid;gap:10px}
.side-list li{display:flex;gap:10px;font-size:13.8px;color:var(--text-2);align-items:flex-start}
.side-list i{color:var(--green);font-size:12px;margin-top:7px}

/* ============ related ============ */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.block-head h2{font-size:clamp(23px,2.5vw,32px)}
.block-head p{font-size:14.5px;color:var(--text-3);margin-top:8px}
.related-list{display:grid;gap:18px}
.related-item{
  display:grid;grid-template-columns:212px minmax(0,1fr);gap:20px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:16px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.related-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 18px 46px rgba(0,0,0,.42),0 0 0 1px rgba(47,168,255,.22)}
.related-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#0A1220}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-item:hover .related-thumb img{transform:scale(1.05)}
.related-item h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.related-item p{font-size:14px;color:var(--text-3);margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-meta{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;font-size:12.8px;color:var(--text-3)}

/* ============ faq ============ */
.faq-wrap{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:rgba(47,168,255,.5);box-shadow:0 0 0 1px rgba(47,168,255,.25),0 14px 38px rgba(0,0,0,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .3s ease,color .3s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 22px}
.faq-a p{font-size:15px;color:var(--text-2);padding-bottom:18px}
.faq-item.open .faq-a{max-height:360px}

/* ============ cta band ============ */
.cta-band{
  margin-top:8px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  padding:38px 40px;border-radius:26px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(47,168,255,.15),rgba(255,138,61,.12));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ empty state ============ */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line-strong);border-radius:20px;
  background:rgba(14,25,45,.5);
}
.empty-state i{font-size:32px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{font-size:16px;color:var(--text-2);margin-bottom:18px}

/* ============ footer ============ */
.site-footer{
  margin-top:88px;background:#050A13;border-top:1px solid rgba(120,200,255,.14);
  padding:56px 0 30px;
}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:34px}
.foot-brand p{color:var(--text-3);font-size:14px;line-height:1.85;margin-top:16px;max-width:330px}
.foot-col h4{font-size:14.5px;margin-bottom:14px;color:var(--text)}
.foot-col a{display:block;color:var(--text-3);font-size:14px;padding:6px 0;transition:color .2s ease,transform .2s ease;word-break:break-all}
.foot-col a:hover{color:var(--brand);transform:translateX(3px)}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(120,200,255,.1);
  color:var(--text-3);font-size:13px;
}
.foot-bottom a{color:var(--text-2)}
.foot-bottom a:hover{color:var(--brand)}

/* ============ mobile tab bar ============ */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(7,13,24,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 2px;border-radius:12px;font-size:11px;color:var(--text-3);
  transition:color .2s ease;min-height:44px;justify-content:center;
}
.tab-item i{font-size:17px}
.tab-item.active{color:var(--brand)}
.tab-item.active i{filter:drop-shadow(0 0 9px rgba(47,168,255,.85))}

/* ============ responsive ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:28px}
  .article-aside{position:static}
  .toc-toggle{display:flex}
  #tocCard{display:none}
  #tocCard.open{display:block}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .main-nav{display:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  body{padding-bottom:86px;font-size:15.5px}
  .tab-bar{display:flex}
  .section{padding:48px 0}
  .page-hero{padding:36px 0 40px}
  .article-card{padding:24px 20px;border-radius:20px}
  .article-body{font-size:16.5px;line-height:1.88}
  .related-item{grid-template-columns:1fr;gap:14px}
  .cta-band{grid-template-columns:1fr;padding:28px 22px;border-radius:22px}
  .cta-actions .btn{flex:1}
  .header-inner{height:64px;gap:12px}
  .brand-text b{font-size:14px;white-space:normal}
  .site-footer{margin-top:64px;padding:44px 0 26px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a{padding:0 18px}
}
@media (max-width:520px){
  .brand-text span{display:none}
  .header-cta{padding:10px 16px;font-size:13.5px}
  .hero-tags{gap:6px}
  .article-body img{border-radius:14px}
}

/* roulang page: category2 */
:root{
  --bg:#070D18;
  --bg-2:#0A1220;
  --panel:rgba(14,25,45,.62);
  --panel-2:rgba(14,25,45,.86);
  --line:rgba(120,200,255,.18);
  --line-strong:rgba(120,200,255,.38);
  --text:#E8F1FB;
  --muted:#93A6BF;
  --dim:#6C81A0;
  --primary:#2FA8FF;
  --primary-deep:#1B7FD1;
  --accent:#FF8A3D;
  --accent-deep:#E9701F;
  --ok:#38E8B0;
  --warn:#FFB020;
  --err:#FF5C5C;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --glow:0 8px 30px rgba(47,168,255,.35);
  --glow-accent:0 8px 30px rgba(255,138,61,.32);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(47,168,255,.16),transparent 62%),
    radial-gradient(760px 480px at 92% 4%,rgba(255,138,61,.12),transparent 60%),
    linear-gradient(180deg,#070D18 0%,#0A1220 46%,#070D18 100%);
  background-attachment:fixed;
  padding-top:74px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tight{padding:60px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:rgba(47,168,255,.1);
  border:1px solid var(--line);
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,3vw,36px);margin:16px 0 14px}
.sec-head p{color:var(--muted);font-size:16.5px}
.muted{color:var(--muted)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(8,15,28,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,var(--primary),var(--ok));
  box-shadow:0 6px 22px rgba(47,168,255,.42);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16.5px;letter-spacing:.01em}
.brand-text span{font-size:11.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--muted);
  border:1px solid transparent;transition:all .24s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(47,168,255,.1);border-color:var(--line)}
.nav-link.active{
  color:#04121F;font-weight:600;
  background:linear-gradient(135deg,var(--primary),#5FC2FF);
  box-shadow:0 6px 22px rgba(47,168,255,.38);
}
.header-cta{flex:none;margin-left:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:all .24s ease;
  min-height:46px;white-space:nowrap;
}
.btn i{transition:transform .24s ease}
.btn:hover i{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{
  color:#1B0C02;
  background:linear-gradient(135deg,#FFA35C,var(--accent) 55%,var(--accent-deep));
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 12px 40px rgba(255,138,61,.46)}
.btn-ghost{
  color:var(--text);
  background:rgba(14,25,45,.6);
  border-color:var(--line-strong);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--primary);color:#CDE9FF;box-shadow:0 8px 26px rgba(47,168,255,.24)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  padding:4px 11px;border-radius:999px;border:1px solid transparent;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}
.badge-soon{color:var(--primary);background:rgba(47,168,255,.12);border-color:rgba(47,168,255,.3)}
.badge-live{color:var(--accent);background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.34)}
.badge-end{color:var(--dim);background:rgba(108,129,160,.14);border-color:rgba(108,129,160,.28)}
.badge-replay{color:var(--ok);background:rgba(56,232,176,.12);border-color:rgba(56,232,176,.3)}
.tag{
  display:inline-block;font-size:12.5px;color:var(--muted);
  padding:3px 10px;border-radius:8px;background:rgba(47,168,255,.08);
  border:1px solid var(--line);
}

/* ---------- 页面头图 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.62) 0%,rgba(7,13,24,.86) 62%,var(--bg) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 72px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.page-hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.22;max-width:900px;margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero .lead{font-size:18px;color:#B7C9DF;max-width:720px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;font-size:14px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--primary)}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:8px;margin-bottom:36px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:999px;backdrop-filter:blur(16px);
}
.filter-btn{
  padding:9px 20px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:all .22s ease;border:1px solid transparent;min-height:40px;
}
.filter-btn:hover{color:var(--text);background:rgba(47,168,255,.1)}
.filter-btn.is-active{
  color:#04121F;font-weight:600;
  background:linear-gradient(135deg,var(--primary),#63C4FF);
  box-shadow:0 6px 20px rgba(47,168,255,.32);
}

/* ---------- 倒计时 ---------- */
.countdown-wrap{
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch;
}
.countdown-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px;backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.countdown-card h3{font-size:22px;margin-bottom:10px}
.countdown-card .sub{color:var(--muted);font-size:15px;margin-bottom:26px}
.count-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.count-cell{
  text-align:center;padding:16px 8px;border-radius:var(--r-m);
  background:rgba(9,18,33,.78);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(120,200,255,.1);
}
.count-cell b{
  display:block;font-family:var(--mono);font-size:clamp(26px,3.4vw,40px);
  font-weight:700;color:var(--accent);letter-spacing:.02em;line-height:1.1;
  text-shadow:0 0 22px rgba(255,138,61,.42);
}
.count-cell span{font-size:12.5px;color:var(--dim);letter-spacing:.1em}
.count-note{margin-top:22px;font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.count-note i{color:var(--ok);margin-top:5px}
.side-card{
  background:linear-gradient(160deg,rgba(47,168,255,.14),rgba(14,25,45,.72));
  border:1px solid var(--line-strong);border-radius:var(--r-l);padding:30px;
  backdrop-filter:blur(18px);box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:18px;
}
.side-card h3{font-size:20px}
.side-list{display:flex;flex-direction:column;gap:14px;font-size:15px;color:#B7C9DF}
.side-list li{display:flex;gap:11px;align-items:flex-start}
.side-list i{color:var(--primary);margin-top:6px;font-size:13px}
.side-card .btn{margin-top:auto;width:100%}

/* ---------- 卡片网格（两列） ---------- */
.live-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.live-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;backdrop-filter:blur(18px);box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.live-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 52px rgba(0,0,0,.46),0 0 0 1px rgba(47,168,255,.16)}
.live-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1526}
.live-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92}
.live-card:hover .live-thumb img{transform:scale(1.05)}
.live-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.05) 40%,rgba(7,13,24,.82) 100%);
}
.live-thumb .badge{position:absolute;top:14px;left:14px;z-index:2;background-color:rgba(9,18,33,.72);backdrop-filter:blur(10px)}
.live-thumb .duration{
  position:absolute;right:14px;bottom:14px;z-index:2;
  font-size:12.5px;font-family:var(--mono);color:#D5E8FA;
  padding:4px 10px;border-radius:8px;background:rgba(9,18,33,.74);border:1px solid var(--line);
}
.live-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.live-body h3{font-size:20px;line-height:1.42}
.live-body p{font-size:15px;color:var(--muted);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.live-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13.5px;color:var(--dim);margin-top:auto}
.live-meta i{color:var(--primary);margin-right:5px}
.live-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed rgba(120,200,255,.16)}
.link-more{font-size:14.5px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:7px}
.link-more:hover{color:#7FCCFF}
.link-more i{transition:transform .24s ease}
.link-more:hover i{transform:translateX(3px)}
.card-link-overlay{position:absolute;inset:0;z-index:3;border-radius:var(--r-l)}

/* ---------- 看点时间线 ---------- */
.timeline{display:flex;flex-direction:column;gap:0;position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(47,168,255,.06));
}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 14px rgba(47,168,255,.6);
}
.tl-item h3{font-size:18px;margin-bottom:7px}
.tl-item p{font-size:15px;color:var(--muted);max-width:720px}

/* ---------- 表单 ---------- */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-l);
  padding:42px;backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.subscribe h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.subscribe .lead{color:var(--muted);font-size:16px}
.sub-form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--muted)}
.field input{
  width:100%;padding:13px 16px;border-radius:var(--r-s);
  background:rgba(9,18,33,.8);border:1px solid var(--line);
  color:var(--text);font-size:15px;transition:all .22s ease;min-height:46px;
}
.field input::placeholder{color:#5C7characters}
.field input::placeholder{color:#5C7089}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,168,255,.18)}
.field-row{display:grid;grid-template-columns:1fr 120px;gap:12px}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.agree input{width:17px;height:17px;margin-top:3px;accent-color:var(--primary);flex:none}
.agree a{color:var(--primary)}
.form-status{font-size:14px;min-height:22px;display:flex;align-items:center;gap:8px}
.form-status.err{color:var(--err)}
.form-status.ok{color:var(--ok)}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.25);border-top-color:var(--accent);
  animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(47,168,255,.14),0 14px 40px rgba(0,0,0,.34)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:#CDE9FF}
.faq-q i{
  flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  font-size:12.5px;color:var(--primary);background:rgba(47,168,255,.12);
  border:1px solid var(--line);transition:transform .3s ease;
}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:var(--r-l);
  background:
    radial-gradient(620px 300px at 88% 8%,rgba(255,138,61,.22),transparent 64%),
    linear-gradient(140deg,rgba(47,168,255,.2),rgba(10,18,32,.9));
  padding:52px;display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;
  backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px}
.cta-band p{color:#B7C9DF;font-size:16px;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,18,33,.6),rgba(5,10,19,.96));
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,168,255,.6),transparent);
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;
  padding:64px 0 42px;
}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:360px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.foot-col a{display:block;font-size:14.5px;color:var(--muted);padding:5px 0}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid rgba(120,200,255,.1);
  font-size:13.5px;color:var(--dim);
}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  background:rgba(8,15,28,.9);backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 2px;border-radius:12px;font-size:11.5px;color:var(--dim);
  min-height:52px;justify-content:center;transition:all .22s ease;
}
.tab-item i{font-size:16px}
.tab-item:hover{color:var(--muted);background:rgba(47,168,255,.08)}
.tab-item.active{color:var(--accent)}
.tab-item.active i{filter:drop-shadow(0 0 10px rgba(255,138,61,.75))}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .main-nav{gap:2px}
  .nav-link{padding:8px 12px;font-size:14.5px}
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .header-inner{justify-content:space-between}
  .countdown-wrap{grid-template-columns:1fr}
  .subscribe{grid-template-columns:1fr;padding:32px;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:66px 0}
}
@media (max-width:768px){
  body{padding-top:64px;padding-bottom:88px}
  .header-inner{height:64px}
  .brand-text span{display:none}
  .header-cta{padding:9px 16px;font-size:14px;min-height:40px}
  .tabbar{display:block}
  .page-hero-inner{padding:40px 0 54px}
  .live-grid{grid-template-columns:1fr;gap:20px}
  .filter-bar{border-radius:var(--r-m);padding:10px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .filter-btn{flex:none}
  .sec-head{margin-bottom:28px}
  .section{padding:52px 0}
  .site-footer{margin-bottom:8px}
}
@media (max-width:520px){
  html,body{font-size:16px}
  .container{padding:0 16px}
  .count-grid{grid-template-columns:repeat(4,1fr);gap:8px}
  .count-cell{padding:12px 4px}
  .count-cell span{font-size:11px}
  .countdown-card,.side-card{padding:22px}
  .subscribe{padding:24px}
  .cta-band{padding:28px 22px}
  .live-body{padding:18px 18px 20px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 30px}
  .foot-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#070D18;
  --bg-2:#0A1220;
  --panel:rgba(14,25,45,.62);
  --panel-solid:#0F1B2E;
  --line:rgba(120,200,255,.18);
  --line-strong:rgba(120,200,255,.36);
  --primary:#2FA8FF;
  --primary-soft:rgba(47,168,255,.14);
  --accent:#FF8A3D;
  --ok:#38E8B0;
  --warn:#FFB020;
  --err:#FF5C5C;
  --text:#E9F2FF;
  --text-2:#B8C8DE;
  --text-3:#7E90A8;
  --radius-s:12px;
  --radius:18px;
  --radius-l:24px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hi:0 18px 54px rgba(0,0,0,.5);
  --glow:0 8px 30px rgba(47,168,255,.35);
  --glow-accent:0 10px 32px rgba(255,138,61,.34);
  --gap:24px;
  --sec:96px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:
    radial-gradient(1100px 600px at 12% -8%,rgba(47,168,255,.16),transparent 60%),
    radial-gradient(900px 520px at 92% 6%,rgba(255,138,61,.10),transparent 62%),
    var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:26px;
  min-height:70px;
  padding:10px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:13px;
  background:linear-gradient(150deg,var(--primary),#0E6FC4 70%);
  box-shadow:var(--glow);
  font-weight:800;font-size:20px;color:#04101F;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 13px;border-radius:11px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(47,168,255,.12);}
.nav-link.active{color:#fff;background:var(--primary-soft);box-shadow:inset 0 0 0 1px var(--line-strong);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 12px rgba(255,138,61,.8);
}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:14px;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn .arrow{transition:transform .22s ease;}
.btn:hover .arrow{transform:translateX(3px);}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  background:linear-gradient(135deg,#FFA163,var(--accent));
  color:#1A0C02;
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 14px 40px rgba(255,138,61,.46);transform:translateY(-2px);}
.btn-ghost{
  background:rgba(47,168,255,.08);
  border:1px solid var(--line-strong);
  color:var(--text);
  box-shadow:0 6px 22px rgba(0,0,0,.28);
}
.btn-ghost:hover{background:rgba(47,168,255,.16);box-shadow:var(--glow);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px;}
.btn-block{width:100%;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{border-bottom:1px solid rgba(120,200,255,.10);background:rgba(10,18,32,.5);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:13.5px;color:var(--text-3);
}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--text);}

/* ---------- Hero ---------- */
.help-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.help-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,13,24,.94) 18%,rgba(7,13,24,.72) 52%,rgba(7,13,24,.9) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.9;
}
.help-hero > .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:46px;
  align-items:center;
  padding:74px 0 78px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;letter-spacing:.02em;
  background:rgba(47,168,255,.12);
  border:1px solid var(--line-strong);
  color:#CFE7FF;
}
.tag.warm{background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.36);color:#FFD7B8;}
.tag.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.22;
  letter-spacing:-.01em;
  font-weight:800;
}
h1 .hl{color:var(--primary);}
.hero-sub{
  margin-top:18px;
  font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:32px;
  margin-top:36px;padding-top:26px;
  border-top:1px solid rgba(120,200,255,.14);
}
.metric b{
  display:block;font-family:var(--mono);
  font-size:26px;font-weight:700;color:#fff;letter-spacing:-.02em;
}
.metric span{font-size:13px;color:var(--text-3);}

.hero-card{
  background:var(--panel);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  padding:24px;
}
.hero-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.hero-card .muted{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.flow{display:flex;flex-direction:column;gap:14px;}
.flow-item{display:flex;gap:13px;align-items:flex-start;}
.flow-idx{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:700;
  background:rgba(47,168,255,.16);
  border:1px solid var(--line-strong);
  color:#BFE3FF;
}
.flow-item.done .flow-idx{background:rgba(56,232,176,.16);border-color:rgba(56,232,176,.4);color:var(--ok);}
.flow-item strong{display:block;font-size:14.5px;font-weight:650;}
.flow-item p{font-size:13px;color:var(--text-3);line-height:1.7;}
.hero-card .card-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed rgba(120,200,255,.2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid transparent;
}
.badge-ok{background:rgba(56,232,176,.14);color:var(--ok);border-color:rgba(56,232,176,.36);}
.badge-warn{background:rgba(255,176,32,.14);color:var(--warn);border-color:rgba(255,176,32,.36);}
.badge-err{background:rgba(255,92,92,.14);color:#FF9A9A;border-color:rgba(255,92,92,.36);}
.badge-info{background:rgba(47,168,255,.14);color:#9FD5FF;border-color:rgba(47,168,255,.36);}

/* ---------- Anchor nav ---------- */
.anchor-bar{
  position:sticky;top:70px;z-index:60;
  background:rgba(9,16,29,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;gap:8px;overflow-x:auto;
  padding:12px 0;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-link{
  padding:8px 15px;border-radius:11px;font-size:13.5px;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:all .2s ease;
}
.anchor-link:hover{color:#fff;background:rgba(47,168,255,.12);border-color:var(--line);}
.anchor-link.active{color:#fff;background:rgba(47,168,255,.16);border-color:var(--line-strong);}

/* ---------- Layout ---------- */
.page-main{padding:70px 0 0;}
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) 372px;
  gap:38px;
  align-items:start;
}
.section{margin-bottom:72px;}
.section-head{margin-bottom:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--primary);}
h2{
  font-size:clamp(26px,2.6vw,34px);
  line-height:1.3;letter-spacing:-.01em;font-weight:800;
}
.section-head p{margin-top:12px;color:var(--text-2);max-width:760px;font-size:15.5px;}

.step-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 26px 24px;
  margin-bottom:20px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.step-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hi);}
.step-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;flex-wrap:wrap;}
.step-num{
  font-family:var(--mono);font-size:13px;font-weight:700;
  padding:5px 12px;border-radius:9px;
  background:rgba(255,138,61,.14);color:#FFC79B;border:1px solid rgba(255,138,61,.34);
}
.step-card h3{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.step-card > p{color:var(--text-2);font-size:15.5px;}
.check-list{margin-top:16px;display:grid;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;
  font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(47,168,255,.9);
}
.note{
  margin-top:16px;padding:13px 16px;border-radius:14px;
  background:rgba(47,168,255,.08);
  border:1px solid var(--line);
  font-size:14px;color:#C9E1F8;
}
.note.warn{background:rgba(255,176,32,.08);border-color:rgba(255,176,32,.28);color:#FFE0AC;}

/* error table */
.err-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.err-item{
  background:rgba(12,22,40,.72);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  padding:16px 18px;
  transition:border-color .2s ease,transform .2s ease;
}
.err-item:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.err-item code{
  font-family:var(--mono);font-size:13px;color:#9FD5FF;
  display:block;margin-bottom:6px;
}
.err-item p{font-size:14px;color:var(--text-2);}

/* trust / safety block */
.safety-panel{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:24px;
  background:linear-gradient(120deg,rgba(47,168,255,.12),rgba(255,138,61,.08));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  padding:28px;
  box-shadow:var(--shadow);
}
.safety-panel h3{font-size:22px;font-weight:750;margin-bottom:10px;}
.safety-panel p{color:var(--text-2);font-size:15px;}
.safety-metrics{display:grid;gap:14px;}
.sm-item{
  background:rgba(7,13,24,.55);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
}
.sm-item b{display:block;font-family:var(--mono);font-size:22px;color:#fff;}
.sm-item span{font-size:12.5px;color:var(--text-3);}

/* ---------- Aside ---------- */
.aside{position:sticky;top:142px;display:grid;gap:20px;}
.aside-card{
  background:var(--panel);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}
.aside-card h3{font-size:16.5px;font-weight:700;margin-bottom:4px;}
.aside-card .hint{font-size:12.5px;color:var(--text-3);margin-bottom:16px;}
.prog{display:grid;gap:12px;margin-bottom:18px;}
.prog-item{display:flex;align-items:center;gap:11px;font-size:14px;color:var(--text-2);}
.prog-bar{
  flex:0 0 44px;height:6px;border-radius:6px;
  background:rgba(120,200,255,.14);overflow:hidden;
}
.prog-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),#8FD4FF);}
.link-list{display:grid;gap:4px;}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;
  font-size:14px;color:var(--text-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.link-list a:hover{background:rgba(47,168,255,.12);color:#fff;transform:translateX(3px);}
.link-list a span{color:var(--text-3);font-size:13px;}

.form-row{margin-bottom:14px;}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;}
.input{
  width:100%;padding:12px 14px;border-radius:13px;
  background:rgba(9,16,29,.8);
  border:1px solid var(--line);
  color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:#5E7186;}
.input:hover{border-color:var(--line-strong);}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,168,255,.16);background:rgba(11,20,36,.95);}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--text-3);line-height:1.65;}
.check-line input{margin-top:4px;accent-color:var(--primary);width:16px;height:16px;}
.form-msg{margin-top:12px;font-size:13px;display:none;padding:10px 13px;border-radius:12px;}
.form-msg.show{display:block;}
.form-msg.ok{background:rgba(56,232,176,.12);color:var(--ok);border:1px solid rgba(56,232,176,.34);}
.form-msg.err{background:rgba(255,92,92,.12);color:#FF9A9A;border:1px solid rgba(255,92,92,.34);}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(26,12,2,.35);border-top-color:#1A0C02;
  animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open{border-color:var(--line-strong);box-shadow:0 10px 34px rgba(47,168,255,.16);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:650;color:var(--text);
}
.faq-q .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(47,168,255,.14);border:1px solid var(--line-strong);
  color:#BFE3FF;font-size:16px;line-height:1;
  transition:transform .28s ease,background .28s ease;
}
.faq-item.open .plus{transform:rotate(45deg);background:rgba(255,138,61,.18);border-color:rgba(255,138,61,.4);color:#FFC79B;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease,padding .34s ease;
  padding:0 20px;
}
.faq-item.open .faq-a{max-height:520px;padding:0 20px 20px;}
.faq-a p{font-size:14.5px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  background:
    linear-gradient(115deg,rgba(47,168,255,.16),rgba(255,138,61,.12)),
    rgba(10,18,32,.85);
  padding:40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(24px,2.4vw,32px);}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,16,29,.7),rgba(5,9,17,.95));
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,168,255,.7),transparent);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
  padding:58px 0 34px;
}
.foot-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:330px;}
.foot-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:#fff;}
.foot-col a{
  display:block;font-size:14px;color:var(--text-3);padding:5px 0;
  transition:color .2s ease,transform .2s ease;
}
.foot-col a:hover{color:var(--primary);transform:translateX(3px);}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 calc(26px + env(safe-area-inset-bottom));
  border-top:1px solid rgba(120,200,255,.12);
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-2);}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- Mobile tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(8,14,26,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab .tab-inner{display:flex;align-items:stretch;justify-content:space-around;gap:2px;}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  min-height:44px;padding:6px 2px;border-radius:12px;
  font-size:11px;color:var(--text-3);
  transition:color .2s ease,background .2s ease;
}
.tab-item i{
  font-style:normal;font-size:17px;line-height:1;
  width:30px;height:26px;display:grid;place-items:center;border-radius:9px;
  transition:background .2s ease,box-shadow .2s ease,color .2s ease;
}
.tab-item.active{color:#fff;}
.tab-item.active i{background:rgba(47,168,255,.18);color:#BFE3FF;box-shadow:0 0 16px rgba(47,168,255,.45);}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .split{grid-template-columns:minmax(0,1fr) 328px;gap:28px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:28px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:56px 0 62px;}
  .split{grid-template-columns:1fr;}
  .aside{position:static;}
  .err-grid{grid-template-columns:1fr;}
  .safety-panel{grid-template-columns:1fr;}
  :root{--sec:70px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .anchor-bar{top:64px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{min-height:60px;gap:12px;}
  .brand-text b{font-size:15px;}
  .brand-text span{display:none;}
  .mobile-tab{display:block;}
  body{padding-bottom:0;}
  .page-main{padding:44px 0 0;}
  .site-footer{margin-top:64px;padding-bottom:76px;}
  .foot-grid{grid-template-columns:1fr 1fr;padding:42px 0 26px;gap:24px;}
  .foot-brand{grid-column:1 / -1;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-metrics{gap:22px;}
  .cta-band{padding:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .step-card{padding:20px 18px;}
  .anchor-inner{padding:10px 0;}
}
@media (max-width:520px){
  .hero-grid{padding:44px 0 50px;}
  .hero-sub{font-size:15.5px;}
  .hero-metrics{gap:18px;}
  .metric b{font-size:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;font-size:12px;}
  .faq-q{font-size:15px;padding:16px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;}
  .header-cta .btn{padding:9px 13px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --bg:#070D18;
  --bg-2:#0A1220;
  --panel:rgba(14,25,45,.62);
  --panel-2:rgba(16,29,52,.88);
  --line:rgba(120,200,255,.18);
  --line-2:rgba(120,200,255,.34);
  --text:#EAF3FF;
  --muted:#93A8C6;
  --muted-2:#6F86A6;
  --primary:#2FA8FF;
  --primary-dim:rgba(47,168,255,.14);
  --accent:#FF8A3D;
  --ok:#38E8B0;
  --warn:#FFB020;
  --err:#FF5C5C;
  --radius:22px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-lg:0 24px 70px rgba(0,0,0,.5);
  --container:1240px;
  --gap:26px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 88% -6%,rgba(47,168,255,.16),transparent 62%),
    radial-gradient(760px 460px at 4% 12%,rgba(255,138,61,.10),transparent 60%),
    linear-gradient(180deg,#070D18 0%,#0A1220 46%,#070D18 100%);
  background-attachment:fixed;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7FC9FF}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:rgba(9,17,31,.78);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;color:#04121F;
  background:linear-gradient(140deg,var(--primary),var(--ok));
  box-shadow:0 8px 24px rgba(47,168,255,.4);
  text-transform:lowercase;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;letter-spacing:-.01em;color:var(--text)}
.brand-text span{font-size:11px;color:var(--muted-2);letter-spacing:.16em;text-transform:uppercase}
.main-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:12px;
  font-size:15px;color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--text);background:rgba(47,168,255,.08)}
.nav-link.active{color:#fff;background:rgba(47,168,255,.12)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{
  margin-left:14px;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  font-size:15px;font-weight:600;color:#1A0C02;
  background:linear-gradient(135deg,var(--accent),#FFB020);
  box-shadow:0 8px 30px rgba(255,138,61,.35);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#1A0C02;filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 12px 36px rgba(255,138,61,.46)}
.nav-cta:active{transform:translateY(1px)}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid rgba(120,200,255,.1);background:rgba(7,13,24,.5)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--muted-2)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:var(--text)}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;margin-bottom:16px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:#BEE2FF;background:var(--primary-dim);border:1px solid var(--line);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);display:inline-block}
h1{font-size:clamp(32px,4.6vw,52px);line-height:1.18}
h2{font-size:clamp(26px,3.1vw,36px)}
h3{font-size:clamp(20px,2.1vw,24px)}
.section-title{margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16.5px;max-width:680px}
.lead{color:var(--muted);font-size:17px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;min-height:46px;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
}
.btn .arw{transition:transform .22s ease}
.btn:hover .arw{transform:translateX(3px)}
.btn-primary{
  color:#04121F;
  background:linear-gradient(135deg,var(--primary),#63C4FF);
  box-shadow:0 8px 30px rgba(47,168,255,.35);
}
.btn-primary:hover{color:#04121F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 40px rgba(47,168,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{
  color:#1A0C02;
  background:linear-gradient(135deg,var(--accent),#FFB020);
  box-shadow:0 8px 30px rgba(255,138,61,.32);
}
.btn-accent:hover{color:#1A0C02;filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,138,61,.46)}
.btn-ghost{
  color:var(--text);background:rgba(14,25,45,.6);
  border-color:var(--line-2);
}
.btn-ghost:hover{color:#fff;border-color:var(--primary);background:rgba(47,168,255,.12);transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:14px;min-height:40px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;white-space:nowrap;
}
.badge-replay{color:#9FE5FF;background:rgba(47,168,255,.15);border-color:rgba(47,168,255,.4)}
.badge-live{color:#FFD9BE;background:rgba(255,138,61,.16);border-color:rgba(255,138,61,.46)}
.badge-live i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);display:inline-block;animation:pulse 1.4s infinite}
.badge-soon{color:#FFE2A6;background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.4)}
.badge-ok{color:#B6F5E1;background:rgba(56,232,176,.14);border-color:rgba(56,232,176,.38)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Hero ---------- */
.hero-cat3{position:relative;padding:74px 0 84px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-title{margin:6px 0 18px}
.hero-title .hl{
  background:linear-gradient(120deg,var(--primary),var(--ok));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:600px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.point-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:14px;color:#CDE6FF;
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.point-chip svg{width:15px;height:15px;flex:0 0 auto;color:var(--ok)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-lg);
  background:var(--panel);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.12) 0%,rgba(7,13,24,.82) 100%);
}
.hero-figure-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.hero-figure-cap strong{font-size:16px;display:block}
.hero-figure-cap span{font-size:13px;color:var(--muted)}
.float-card{
  position:absolute;right:-14px;bottom:-26px;z-index:3;
  min-width:196px;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--panel-2);border:1px solid var(--line-2);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.float-card .kv{display:flex;align-items:baseline;gap:8px}
.float-card .num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--primary);line-height:1}
.float-card .lab{font-size:12.5px;color:var(--muted)}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:sticky;top:70px;z-index:60;
  display:flex;gap:10px;overflow-x:auto;
  padding:14px 0;
  background:rgba(7,13,24,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(120,200,255,.12);
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-chip{
  flex:0 0 auto;
  padding:8px 15px;border-radius:999px;font-size:14px;color:var(--muted);
  background:rgba(14,25,45,.7);border:1px solid var(--line);
  transition:all .2s ease;
}
.anchor-chip:hover{color:#fff;border-color:var(--primary);background:rgba(47,168,255,.14)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:36px;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(47,168,255,.35) 42%,rgba(255,138,61,.35) 78%,rgba(120,200,255,.06) 100%);
}
.tl-item{position:relative;margin-bottom:30px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:26px;
  width:14px;height:14px;border-radius:50%;
  background:#0A1220;border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(47,168,255,.12);
}
.tl-item.is-live::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,138,61,.16),0 0 16px rgba(255,138,61,.5)}
.tl-item.is-soon::before{border-color:var(--warn)}
.tl-date{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:10px;font-size:13.5px;color:var(--muted-2);
}
.tl-date time{font-family:var(--mono);letter-spacing:.04em;color:var(--muted)}
.tl-card{
  display:grid;grid-template-columns:230px 1fr;gap:22px;
  padding:18px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 18px 48px rgba(0,0,0,.48)}
.tl-cover{
  position:relative;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid rgba(120,200,255,.14);background:#0C1729;
}
.tl-cover img{width:100%;height:100%;min-height:140px;object-fit:cover;transition:transform .5s ease}
.tl-card:hover .tl-cover img{transform:scale(1.05)}
.tl-cover .badge{position:absolute;left:10px;top:10px;z-index:2}
.tl-body h3{margin-bottom:10px}
.tl-body p{color:var(--muted);font-size:15.5px}
.tl-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:13px;color:var(--muted-2)}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta svg{width:14px;height:14px;color:var(--primary)}
.tl-link{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600}
.tl-link svg{width:15px;height:15px;transition:transform .22s ease}
.tl-link:hover svg{transform:translateX(3px)}

/* ---------- 知识卡片（宽窄栅格） ---------- */
.k-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--gap)}
.k-card{
  grid-column:span 2;
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.k-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 20px 52px rgba(0,0,0,.5)}
.k-card.wide{grid-column:span 3}
.k-cover{position:relative;overflow:hidden}
.k-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.k-card:hover .k-cover img{transform:scale(1.05)}
.k-tag{position:absolute;left:12px;top:12px;z-index:2}
.k-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.k-body h3{font-size:19px;margin-bottom:10px}
.k-body p{color:var(--muted);font-size:15px;flex:1}
.k-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--muted-2)}

/* ---------- 数据证据条（7/5 不对称） ---------- */
.proof{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:stretch}
.proof-main{
  padding:34px 34px 30px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(47,168,255,.14),rgba(14,25,45,.72) 58%);
  border:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.proof-main h2{font-size:26px;margin-bottom:12px}
.proof-main p{color:var(--muted);font-size:15.5px}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.stat{
  padding:16px 16px 14px;border-radius:var(--radius-sm);
  background:rgba(7,13,24,.5);border:1px solid rgba(120,200,255,.14);
}
.stat b{display:block;font-family:var(--mono);font-size:26px;color:var(--primary);line-height:1.1}
.stat span{font-size:13px;color:var(--muted-2)}
.proof-side{
  padding:30px 28px;border-radius:var(--radius);
  background:var(--panel-2);border:1px solid var(--line-2);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.proof-side h3{font-size:20px;margin-bottom:16px}
.side-list li{
  display:flex;gap:12px;padding:13px 0;
  border-bottom:1px dashed rgba(120,200,255,.16);
  font-size:15px;color:var(--muted);
}
.side-list li:last-child{border-bottom:0}
.side-list svg{width:17px;height:17px;flex:0 0 auto;margin-top:5px;color:var(--ok)}
.proof-side .btn{margin-top:auto;width:100%}

/* ---------- 检查清单 ---------- */
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius-sm);
  background:rgba(14,25,45,.5);border:1px solid var(--line);
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.check-item:hover{border-color:var(--line-2);background:rgba(20,36,62,.62);transform:translateX(3px)}
.check-no{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:15px;
  color:#04121F;background:linear-gradient(140deg,var(--ok),var(--primary));
}
.check-item h3{font-size:17.5px;margin-bottom:6px}
.check-item p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.open{border-color:var(--line-2);box-shadow:0 0 0 1px rgba(47,168,255,.18),var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;
}
.faq-q:hover{color:#fff}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,168,255,.14);border:1px solid var(--line);
  color:var(--primary);font-size:17px;line-height:1;
  transition:transform .26s ease,background .26s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:rgba(255,138,61,.2);color:var(--accent);border-color:rgba(255,138,61,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 20px 20px;color:var(--muted);font-size:15.5px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;padding:52px 46px;
  border:1px solid var(--line-2);
  background-image:linear-gradient(115deg,rgba(7,13,24,.94) 22%,rgba(7,13,24,.68) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative;z-index:2}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.sub-form{
  padding:24px;border-radius:var(--radius-sm);
  background:rgba(10,18,32,.72);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.sub-form h3{font-size:18px;margin-bottom:8px}
.sub-form .hint{font-size:13.5px;color:var(--muted-2);margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.field label{font-size:13.5px;color:var(--muted)}
.field input{
  width:100%;padding:12px 14px;border-radius:12px;min-height:46px;
  color:var(--text);background:rgba(7,13,24,.6);
  border:1px solid var(--line);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#5C7characteristic}
.field input::placeholder{color:#5C7191}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,168,255,.16)}
.field input.err{border-color:var(--err);box-shadow:0 0 0 4px rgba(255,92,92,.14)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted-2);margin:6px 0 16px}
.consent input{width:17px;height:17px;margin-top:2px;accent-color:var(--primary)}
.form-msg{font-size:13.5px;margin-top:12px;min-height:20px}
.form-msg.ok{color:var(--ok)}
.form-msg.bad{color:var(--err)}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#04121F;
  display:inline-block;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;padding:62px 0 30px;
  background:linear-gradient(180deg,rgba(7,13,24,.2),rgba(5,9,17,.95));
  border-top:1px solid rgba(120,200,255,.16);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,168,255,.7),rgba(255,138,61,.5),transparent);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:330px}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.06em}
.foot-col a{display:block;font-size:14.5px;color:var(--muted);padding:5px 0;transition:color .2s ease,transform .2s ease}
.foot-col a:hover{color:var(--primary);transform:translateX(3px)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(120,200,255,.12);
  font-size:13px;color:var(--muted-2);
}
.foot-bottom a{color:var(--muted-2)}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .k-card,.k-card.wide{grid-column:span 3}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .foot-col:last-child{grid-column:span 3}
}
@media (max-width:1024px){
  body{font-size:16.5px}
  .section{padding:74px 0}
  .hero-cat3{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:620px}
  .float-card{right:12px;bottom:-22px}
  .proof{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .tl-card{grid-template-columns:200px 1fr;gap:18px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .main-nav{display:none}
  .nav-cta{margin-left:auto;padding:10px 16px;font-size:14px}
  .header-inner{min-height:62px;gap:14px}
  .anchor-bar{top:62px}
  .section{padding:56px 0}
  .hero-cat3{padding:40px 0 54px}
  .hero-figure img{aspect-ratio:16/11}
  .float-card{position:static;margin-top:16px;width:100%}
  .timeline{padding-left:26px}
  .timeline::before{left:6px}
  .tl-item::before{left:-25px;width:12px;height:12px;top:22px}
  .tl-card{grid-template-columns:1fr;gap:14px;padding:14px}
  .tl-cover img{aspect-ratio:16/9;min-height:0}
  .k-grid{grid-template-columns:1fr;gap:18px}
  .k-card,.k-card.wide{grid-column:span 1}
  .proof-stats{grid-template-columns:1fr 1fr}
  .cta-band{padding:34px 22px;border-radius:20px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-col:last-child{grid-column:span 2}
  .site-footer{padding-bottom:96px}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    padding:8px 8px calc(8px + env(safe-area-inset-bottom));
    background:rgba(8,15,28,.94);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-top:1px solid rgba(120,200,255,.18);
  }
  .tab-item{
    flex:1 1 0;min-height:48px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--muted-2);border-radius:12px;
    transition:color .2s ease,background .2s ease;
  }
  .tab-item svg{width:20px;height:20px}
  .tab-item.active{color:var(--primary);background:rgba(47,168,255,.1)}
  .tab-item.active svg{filter:drop-shadow(0 0 8px rgba(47,168,255,.7))}
  .tab-item:hover{color:var(--text)}
  body{padding-bottom:0}
}
@media (max-width:520px){
  h1{font-size:30px}
  .hero-points{gap:8px}
  .point-chip{font-size:13px;padding:8px 12px}
  .hero-actions .btn{width:100%}
  .proof-stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-col:last-child{grid-column:span 1}
  .foot-bottom{flex-direction:column}
  .k-body{padding:16px}
}