/* roulang page: index */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 12px 32px rgba(108,75,255,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-night);
  color:var(--c-text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 68% 8%, rgba(154,123,255,.6), transparent 60%),
    radial-gradient(1.1px 1.1px at 32% 72%, rgba(53,225,240,.5), transparent 60%),
    radial-gradient(1.3px 1.3px at 86% 62%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1px 1px at 52% 42%, rgba(255,255,255,.4), transparent 60%);
  background-size:520px 520px, 640px 640px, 480px 480px, 700px 700px, 560px 560px;
  opacity:.07;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0 0 1.15em;}
a{color:var(--c-cyan);text-decoration:none;}
img{max-width:100%;display:block;border-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:72px 0;position:relative;}
.section-alt{background:var(--c-night-2);}
.section-alt::before,
.section::after{content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,123,255,.35),transparent);}
.section-alt::before{top:0;}
.section::after{bottom:0;}
.section:last-of-type::after{display:none;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;width:6px;height:6px;background:var(--c-primary-2);transform:rotate(45deg);}
.sec-head h2::after{content:"";position:absolute;left:-8px;top:.42em;bottom:.42em;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--c-primary),transparent);}
.sec-head p{margin:8px 0 0;color:var(--c-text-2);font-size:15px;max-width:640px;}
.sec-more{color:var(--c-cyan);font-size:14px;display:inline-flex;align-items:center;gap:8px;}
.sec-more i{transition:transform .22s var(--ease);}
.sec-more:hover i{transform:translateX(4px);}

/* 倒计时条 */
.cd-bar{background:linear-gradient(90deg,rgba(108,75,255,.35),rgba(108,75,255,.06) 55%,transparent);border-bottom:1px solid rgba(255,255,255,.08);position:relative;z-index:60;}
.cd-bar::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(53,225,240,.6),transparent);}
.cd-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding:8px 0;flex-wrap:wrap;}
.cd-left{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text-2);}
.cd-dot{width:8px;height:8px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 0 0 rgba(53,225,240,.6);animation:pulse 2.4s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(53,225,240,.55);}70%{box-shadow:0 0 0 10px rgba(53,225,240,0);}100%{box-shadow:0 0 0 0 rgba(53,225,240,0);}}
.cd-left strong{color:var(--c-text);font-weight:600;}
.cd-clock{display:flex;align-items:center;gap:10px;}
.cd-unit{display:flex;align-items:baseline;gap:4px;padding:4px 10px;background:rgba(255,255,255,.05);border:1px solid var(--c-line);border-radius:10px;}
.cd-num{font-family:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;color:var(--c-gold);line-height:1;transition:transform .18s var(--ease);}
.cd-num.tick{transform:scale(1.12);}
.cd-label{font-size:11px;color:var(--c-text-3);letter-spacing:.06em;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;transition:background .25s var(--ease),box-shadow .25s var(--ease);background:rgba(11,13,28,.55);backdrop-filter:blur(4px);}
.site-header.scrolled{background:rgba(11,13,28,.88);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.08),0 14px 40px rgba(0,0,0,.45);}
.nav{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary),#3B2A8F);display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 8px 20px rgba(108,75,255,.35);position:relative;}
.brand-mark::after{content:"";position:absolute;inset:0;border-radius:11px;background:radial-gradient(circle at 70% 20%,rgba(53,225,240,.55),transparent 60%);}
.brand-mark i{color:#fff;font-size:16px;position:relative;z-index:1;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.14em;text-transform:uppercase;}
.nav-badge{font-size:11px;padding:3px 9px;border-radius:var(--r-badge);background:rgba(255,194,75,.14);color:var(--c-gold);border:1px solid rgba(255,194,75,.35);white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--c-text-2);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease);}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--c-text);font-weight:600;}
.nav-menu a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary-2);box-shadow:0 0 10px rgba(154,123,255,.9);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),opacity .22s var(--ease);white-space:nowrap;}
.btn i{font-size:16px;}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(108,75,255,.5);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-primary-2);}
.btn-ghost:hover{background:rgba(108,75,255,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94);}
.btn-soft{background:rgba(255,255,255,.06);border-color:var(--c-line);color:var(--c-text);}
.btn-soft:hover{background:rgba(255,255,255,.12);border-color:var(--c-line-strong);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;box-shadow:none;cursor:not-allowed;transform:none;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--c-line);color:var(--c-text);align-items:center;justify-content:center;cursor:pointer;}

/* 抽屉 */
.drawer{position:fixed;inset:0;background:rgba(5,6,14,.97);backdrop-filter:blur(8px);z-index:120;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--c-line);color:var(--c-text);cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:auto;}
.drawer-nav a{padding:16px 14px;border-radius:12px;color:var(--c-text-2);font-size:16px;border:1px solid transparent;transition:.2s var(--ease);}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.drawer-nav a.active{color:var(--c-text);font-weight:600;border-color:var(--c-line-strong);background:rgba(108,75,255,.12);}
.drawer-foot{border-top:1px solid var(--c-line);padding-top:16px;margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .cd-mini{font-size:13px;color:var(--c-text-3);}

/* Hero */
.hero{position:relative;padding:64px 0 72px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-180px;right:-120px;width:720px;height:720px;background:radial-gradient(circle,rgba(108,75,255,.28),transparent 62%);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:6px 14px;border-radius:var(--r-badge);border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:var(--c-text-2);margin-bottom:20px;}
.hero-tagline i{color:var(--c-cyan);}
h1.hero-title{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.01em;line-height:1.2;margin-bottom:18px;}
h1.hero-title span{background:linear-gradient(120deg,var(--c-primary-2),var(--c-cyan));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.hero-points li i{color:var(--c-cyan);font-size:13px;}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-panel);box-shadow:var(--sh-2);min-height:400px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.78;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,28,.25),rgba(5,6,14,.85));}
.hero-float{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:16px;padding:24px;}
.hero-card{background:rgba(20,24,48,.78);backdrop-filter:blur(14px);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.hero-card-top h3{font-size:15px;font-weight:600;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.metric{text-align:left;}
.metric strong{display:block;font-family:ui-monospace,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums;font-size:22px;color:var(--c-gold);line-height:1.2;}
.metric span{font-size:12px;color:var(--c-text-3);}
.hero-float-tag{position:absolute;top:20px;right:20px;z-index:3;font-size:12px;padding:5px 12px;border-radius:var(--r-badge);background:rgba(255,93,108,.16);color:#FFB3BA;border:1px solid rgba(255,93,108,.4);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.02em;padding:4px 10px;border-radius:var(--r-badge);border:1px solid transparent;line-height:1.5;}
.badge-live{background:rgba(108,75,255,.16);color:var(--c-primary-2);border-color:rgba(154,123,255,.4);}
.badge-gold{background:rgba(255,194,75,.14);color:var(--c-gold);border-color:rgba(255,194,75,.35);}
.badge-alert{background:rgba(255,93,108,.14);color:#FF9AA3;border-color:rgba(255,93,108,.38);}
.badge-mute{background:rgba(255,255,255,.07);color:var(--c-text-3);border-color:var(--c-line);}
.badge-cyan{background:transparent;color:var(--c-cyan);border-color:rgba(53,225,240,.4);}

/* 轨道卖点 */
.track{position:relative;padding-left:36px;}
.track::before{content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,rgba(108,75,255,.85),rgba(53,225,240,.45),transparent);}
.track-item{position:relative;padding:0 0 34px 0;display:grid;grid-template-columns:1fr;gap:6px;}
.track-item:last-child{padding-bottom:0;}
.track-num{position:absolute;left:-36px;top:2px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-family:ui-monospace,monospace;font-weight:700;background:var(--c-night);border:2px solid var(--c-primary);color:var(--c-primary-2);}
.track-item.gold .track-num{border-color:var(--c-gold);color:var(--c-gold);}
.track-item h3{font-size:1.0625rem;font-weight:600;}
.track-item p{color:var(--c-text-2);font-size:15px;margin:0;}
.points-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;}
.point-side{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.point-side h3{font-size:1.25rem;margin-bottom:12px;}
.point-side p{color:var(--c-text-2);font-size:15px;}
.point-side ul{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.point-side li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);}
.point-side li i{color:var(--c-cyan);margin-top:6px;font-size:13px;}

/* 图墙 */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:16px;}
.wall-item{position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--c-line);background:var(--c-panel);clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);}
.wall-item.wide{grid-column:span 2;grid-row:span 2;}
.wall-item.tall{grid-row:span 2;}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.wall-item:hover img{transform:scale(1.04);}
.wall-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,6,14,0) 35%,rgba(5,6,14,.9));display:flex;flex-direction:column;justify-content:flex-end;gap:8px;padding:20px;opacity:0;transition:opacity .3s var(--ease);}
.wall-item:hover .wall-mask{opacity:1;}
.wall-mask h4{font-size:1.0625rem;font-weight:600;}
.wall-mask p{font-size:13px;color:var(--c-text-2);margin:0;}
.wall-mask .btn{height:38px;padding:0 16px;font-size:13px;margin-top:6px;align-self:flex-start;}

/* 内容卡 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-2);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(108,75,255,.25),rgba(53,225,240,.12));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:1.0625rem;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a{color:var(--c-text);}
.card-body h3 a:hover{color:var(--c-primary-2);}
.card-body p{font-size:14px;color:var(--c-text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-3);}
.card-foot .go{color:var(--c-cyan);display:inline-flex;align-items:center;gap:6px;}
.card-foot .go i{transition:transform .22s var(--ease);}
.card-foot .go:hover i{transform:translateX(4px);}
.card-feature{grid-column:span 3;flex-direction:row;}
.card-feature .card-cover{aspect-ratio:auto;width:46%;min-height:260px;}
.card-feature .card-body{padding:32px;justify-content:center;}
.card-feature .card-body h3{font-size:1.4rem;-webkit-line-clamp:3;}
.card-feature .card-body p{-webkit-line-clamp:3;font-size:15px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 20px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:rgba(255,255,255,.02);}
.empty-state i{font-size:28px;color:var(--c-text-3);margin-bottom:12px;display:block;}
.empty-state p{color:var(--c-text-3);font-size:14px;margin:0;}

/* 数据条 */
.metrics-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{background:var(--c-panel-2);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);border-radius:14px;padding:24px;}
.metric-card strong{display:block;font-family:ui-monospace,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums;font-size:30px;color:var(--c-gold);line-height:1.15;}
.metric-card span{font-size:14px;color:var(--c-text-2);}

/* CTA + 表单 */
.cta-wrap{max-width:720px;margin:0 auto;background:rgba(20,24,48,.82);backdrop-filter:blur(14px);border:1px solid var(--c-line);border-radius:20px;padding:36px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);}
.cta-wrap h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:10px;}
.cta-wrap > p{color:var(--c-text-2);font-size:15px;}
.cta-note{font-size:13px;color:var(--c-gold);margin-bottom:20px;display:flex;align-items:center;gap:8px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:span 2;}
.field label{font-size:13px;color:var(--c-text-2);}
.field input,.field textarea{background:rgba(5,6,14,.6);border:1px solid var(--c-line);border-radius:var(--r-btn);padding:12px 14px;font-size:15px;color:var(--c-text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(108,75,255,.22);}
.field textarea{min-height:104px;resize:vertical;}
.form-tip{font-size:12px;color:var(--c-text-3);margin-top:14px;line-height:1.7;}
.form-submit{margin-top:20px;}
.form-submit .btn{width:200px;}
.form-submit .btn.loading i{animation:spin .9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
@media (max-width:767px){.form-submit .btn{width:100%;}}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;}
.faq-item{background:var(--c-panel);border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:border-color .24s var(--ease);}
.faq-item.open{border-color:var(--c-line-strong);}
.faq-q{width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:15px;font-weight:600;cursor:pointer;color:var(--c-text);min-height:44px;}
.faq-q i{color:var(--c-primary-2);transition:transform .22s var(--ease);flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{padding:0 20px 18px;margin:0;font-size:14px;color:var(--c-text-2);line-height:1.8;}

/* 页脚 */
.site-footer{background:var(--c-void);border-top:1px solid var(--c-line);position:relative;padding:56px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(154,123,255,.5),transparent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-col h4{font-size:14px;color:var(--c-text);margin-bottom:16px;letter-spacing:.04em;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-col p{font-size:13px;color:var(--c-text-3);line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13px;color:var(--c-text-3);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--c-cyan);}
.footer-bottom{border-top:1px solid var(--c-line);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--c-text-3);}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;border:1px solid var(--c-line-strong);background:rgba(20,24,48,.9);backdrop-filter:blur(10px);color:var(--c-primary-2);cursor:pointer;opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease),transform .25s var(--ease);z-index:90;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

@media (max-width:1279px){
  .wall{grid-auto-rows:160px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:300px;}
  .points-grid{grid-template-columns:1fr;gap:32px;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .card-feature{grid-column:span 2;flex-direction:column;}
  .card-feature .card-cover{width:100%;min-height:0;aspect-ratio:16/9;}
  .card-feature .card-body{padding:24px;}
  .metrics-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .hero{padding:40px 0 48px;}
  .cd-inner{justify-content:center;}
  .cd-left{font-size:13px;}
  .cd-num{font-size:17px;}
  .cd-unit{padding:3px 8px;}
  .nav{min-height:64px;}
  .brand-sub{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .wall{grid-template-columns:1fr 1fr;grid-auto-rows:150px;}
  .wall-item.wide{grid-column:span 2;grid-row:span 1;}
  .card-grid{grid-template-columns:1fr;}
  .card-feature{grid-column:span 1;}
  .faq-grid{grid-template-columns:1fr;}
  .metrics-band{grid-template-columns:1fr;}
  .cta-wrap{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .field.full{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .hero-metrics{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:520px){
  .wall{grid-template-columns:1fr;}
  .wall-item.wide{grid-column:span 1;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{grid-template-columns:1fr 1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(108,75,255,.32),0 12px 34px rgba(108,75,255,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-night);
  color:var(--c-text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 8%,rgba(154,123,255,.8),transparent 60%),
    radial-gradient(1.5px 1.5px at 44% 62%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.2px 1.2px at 88% 44%,rgba(53,225,240,.7),transparent 60%),
    radial-gradient(1.2px 1.2px at 24% 88%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(1.2px 1.2px at 62% 26%,rgba(255,194,75,.55),transparent 60%);
  background-size:520px 520px,640px 640px,700px 700px,560px 560px,480px 480px,600px 600px;
  opacity:.07;
}
img{max-width:100%;display:block}
a{color:var(--c-cyan);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-2)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 倒计时条 ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(108,75,255,.32),rgba(11,13,28,.4) 60%,rgba(11,13,28,0));
  border-top:1px solid rgba(154,123,255,.35);
  border-bottom:1px solid var(--c-line);
  position:relative;
  z-index:3;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;flex-wrap:wrap;padding:8px 0}
.topbar-status{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text-2)}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--c-gold);box-shadow:0 0 0 0 rgba(255,194,75,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,194,75,.55)}70%{box-shadow:0 0 0 12px rgba(255,194,75,0)}100%{box-shadow:0 0 0 0 rgba(255,194,75,0)}}
.countdown{display:flex;align-items:center;gap:8px}
.cd-item{display:flex;flex-direction:column;align-items:center;min-width:52px;padding:4px 8px;background:rgba(20,24,48,.7);border:1px solid var(--c-line);border-radius:10px}
.cd-num{font-family:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;color:var(--c-gold);line-height:1.15}
.cd-label{font-size:11px;color:var(--c-text-3);letter-spacing:.06em}
.cd-sep{color:var(--c-text-3);font-size:16px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(11,13,28,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line);transition:background .25s var(--ease)}
.site-header.scrolled{background:rgba(11,13,28,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nav{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-text);flex-shrink:0}
.brand:hover{color:var(--c-text)}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:var(--glow);font-size:17px;color:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--c-text-3);font-family:ui-monospace,monospace}
.nav-badge{font-size:11px;letter-spacing:.05em;padding:3px 9px;border-radius:var(--r-pill);background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.45);color:var(--c-gold);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{position:relative;padding:10px 12px;font-size:14.5px;color:var(--c-text-2);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--c-text);font-weight:600}
.nav-menu a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(108,75,255,.9)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:var(--c-text);cursor:pointer}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease);white-space:nowrap}
.btn i{font-size:16px}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(154,123,255,.5),0 16px 40px rgba(108,75,255,.45);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-primary-2)}
.btn-ghost:hover{background:rgba(108,75,255,.12);color:var(--c-text)}
.btn-soft{background:rgba(255,255,255,.05);border-color:var(--c-line);color:var(--c-text)}
.btn-soft:hover{background:rgba(255,255,255,.1);color:var(--c-text)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0;font-size:13.5px;color:var(--c-text-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-cyan)}
.crumbs li.current{color:var(--c-text-3);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumbs .sep{color:var(--c-text-3);opacity:.6}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 30px;border-bottom:1px solid var(--c-line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--c-cyan);border:1px solid rgba(53,225,240,.35);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:18px}
.article-head h1{font-size:clamp(1.75rem,3.6vw,2.75rem);letter-spacing:-.01em;line-height:1.25;max-width:900px}
.article-head .lead{margin-top:16px;color:var(--c-text-2);font-size:16px;max-width:780px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:22px;font-size:13.5px;color:var(--c-text-3)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--c-primary-2)}
.tag-pill{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.05em;border:1px solid rgba(53,225,240,.35);color:var(--c-cyan);background:rgba(53,225,240,.07)}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:48px 0 72px;align-items:start}
.article-body{min-width:0;max-width:800px;font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body h2{position:relative;font-size:clamp(1.35rem,2.2vw,1.75rem);margin:44px 0 16px;padding-left:16px;color:var(--c-text)}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary));box-shadow:0 0 10px rgba(108,75,255,.7)}
.article-body h3{font-size:1.25rem;margin:32px 0 12px;color:var(--c-text)}
.article-body h3::before{content:"◆";color:var(--c-cyan);font-size:.72em;margin-right:9px;vertical-align:2px}
.article-body h4{font-size:1.0625rem;margin:24px 0 10px;color:var(--c-text)}
.article-body p{margin:0 0 1.25em;color:#DDE4F7}
.article-body a{color:var(--c-cyan);border-bottom:1px solid rgba(53,225,240,.4)}
.article-body a:hover{color:var(--c-primary-2);border-bottom-color:rgba(154,123,255,.6)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul li,.article-body ol li{margin-bottom:.55em;color:#DDE4F7}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul li{position:relative;padding-left:1.1em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--c-primary-2);transform:rotate(45deg)}
.article-body ol{list-style:decimal}
.article-body ol li::marker{color:var(--c-primary-2);font-weight:700}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:rgba(255,255,255,.06);border-left:3px solid var(--c-primary);border-radius:0 14px 14px 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:26px 0 10px;box-shadow:var(--sh-1);background:linear-gradient(135deg,rgba(108,75,255,.16),rgba(53,225,240,.1))}
.article-body figcaption{font-size:12px;color:var(--c-text-3);margin-bottom:24px;text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body thead th{background:rgba(255,255,255,.06);color:var(--c-text)}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.025)}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(154,123,255,.45),transparent);margin:40px 0}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:64px 24px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.empty-state i{font-size:34px;color:var(--c-primary-2);margin-bottom:16px;display:block}
.empty-state h2{font-size:1.25rem;margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--c-text-2);margin-bottom:22px}

/* ---------- 文章底部 ---------- */
.article-foot{margin-top:46px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px}
.tag-row .label{font-size:13px;color:var(--c-text-3)}
.article-foot .back-line{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px}
.side-card{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;letter-spacing:.04em;color:var(--c-text);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--c-cyan);font-size:14px}
.toc-list{display:flex;flex-direction:column;gap:4px;max-height:340px;overflow:auto}
.toc-list a{display:block;font-size:13.5px;color:var(--c-text-2);padding:8px 10px;border-radius:9px;border-left:2px solid transparent;transition:all .2s var(--ease)}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--c-text)}
.toc-list a.active{color:var(--c-primary-2);border-left-color:var(--c-primary);background:rgba(108,75,255,.1)}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-item{display:flex;gap:12px;align-items:flex-start;color:var(--c-text-2)}
.hot-item img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,rgba(108,75,255,.2),rgba(53,225,240,.12))}
.hot-item strong{display:block;font-size:13.5px;font-weight:600;color:var(--c-text);line-height:1.55}
.hot-item:hover strong{color:var(--c-primary-2)}
.hot-item span{font-size:12px;color:var(--c-text-3)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary))}
.section-head p{color:var(--c-text-2);font-size:14.5px;margin:8px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.mini-card{display:flex;gap:14px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);color:var(--c-text)}
.mini-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-2);color:var(--c-text)}
.mini-card img{width:110px;height:84px;object-fit:cover;border-radius:12px;flex-shrink:0;background:linear-gradient(135deg,rgba(108,75,255,.2),rgba(53,225,240,.12))}
.mini-body{min-width:0}
.mini-tag{display:inline-block;font-size:11.5px;letter-spacing:.06em;color:var(--c-cyan);border:1px solid rgba(53,225,240,.3);border-radius:var(--r-pill);padding:2px 9px;margin-bottom:8px}
.mini-body h4{font-size:15px;margin-bottom:6px;line-height:1.5}
.mini-body p{font-size:13px;color:var(--c-text-2);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(135deg,rgba(108,75,255,.24),rgba(53,225,240,.1));border:1px solid var(--c-line-strong);border-radius:20px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--sh-2)}
.cta-band h3{font-size:1.35rem;margin-bottom:8px}
.cta-band p{margin:0;color:var(--c-text-2);font-size:14.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-void);border-top:1px solid var(--c-line);position:relative;z-index:1}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(154,123,255,.55),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--c-text);margin-bottom:16px}
.footer-col p{font-size:13.5px;color:var(--c-text-2);line-height:1.8;margin:0}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:var(--c-text-3)}
.footer-links a:hover{color:var(--c-cyan)}
.footer-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:11.5px;letter-spacing:.05em}
.badge-live{background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.4);color:var(--c-gold)}
.badge-cyan{background:rgba(53,225,240,.1);border:1px solid rgba(53,225,240,.35);color:var(--c-cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:32px}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;inset:72px 0 0;background:rgba(5,6,14,.97);backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;gap:6px;padding:24px;margin:0;
    transform:translateX(100%);transition:transform .28s var(--ease);overflow-y:auto;z-index:19;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{padding:16px;font-size:16px;border-radius:12px;background:rgba(255,255,255,.03)}
  .nav-menu a.active::after{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-ghost{display:none}
  .nav-badge{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side{position:static;order:2}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .topbar-inner{gap:12px}
  .topbar-status{font-size:13px}
  .cd-item{min-width:44px;padding:3px 6px}
  .cd-num{font-size:17px}
  .cd-sep{display:none}
  .article-head{padding:20px 0 26px}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
  .crumbs li.current{max-width:200px}
  .nav{min-height:64px;gap:14px}
  .nav-menu{inset:64px 0 0}
  .brand-sub{display:none}
}
@media (max-width:480px){
  .brand-name{font-size:15.5px}
  .brand-mark{width:32px;height:32px;font-size:15px}
  .btn{height:42px;padding:0 16px;font-size:14.5px}
  .countdown{gap:5px}
  .cd-item{min-width:40px}
  .mini-card{flex-direction:column}
  .mini-card img{width:100%;height:150px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(108,75,255,.35), 0 10px 30px rgba(108,75,255,.32);
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-night);
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.55), transparent 100%),
    radial-gradient(1px 1px at 68% 8%, rgba(154,123,255,.55), transparent 100%),
    radial-gradient(1px 1px at 32% 62%, rgba(255,255,255,.40), transparent 100%),
    radial-gradient(1px 1px at 84% 46%, rgba(53,225,240,.45), transparent 100%),
    radial-gradient(1px 1px at 52% 88%, rgba(255,255,255,.35), transparent 100%),
    radial-gradient(1px 1px at 92% 78%, rgba(255,194,75,.40), transparent 100%),
    radial-gradient(1px 1px at 6% 84%, rgba(255,255,255,.30), transparent 100%);
  background-size:520px 520px, 420px 420px, 640px 640px, 380px 380px, 700px 700px, 480px 480px, 560px 560px;
  opacity:.06;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:6px}
::selection{background:rgba(108,75,255,.45);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:72px 0;position:relative}
.section-alt{background:var(--c-night-2)}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(154,123,255,.35),transparent)}

h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700;letter-spacing:-.01em;line-height:1.2}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.3;display:flex;align-items:center;gap:12px}
h2::before{content:"";width:3px;height:1em;border-radius:2px;background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary));flex:0 0 auto}
h3{font-size:1.25rem;font-weight:600;line-height:1.45}
h4{font-size:1.0625rem;font-weight:600}
p{color:var(--c-text-2)}
.lead{font-size:1.0625rem;line-height:1.85;color:var(--c-text-2);max-width:62ch}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{margin-top:12px;max-width:60ch;font-size:.9375rem;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;letter-spacing:.06em;color:var(--c-cyan);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-cyan);transform:rotate(45deg)}

/* 顶部倒计时条 */
.countdown-bar{
  position:relative;
  z-index:60;
  background:linear-gradient(90deg,rgba(108,75,255,.28),rgba(108,75,255,.04) 55%,transparent);
  border-top:1px solid rgba(154,123,255,.30);
  border-bottom:1px solid var(--c-line);
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:10px 0;flex-wrap:wrap}
.countdown-label{display:flex;align-items:center;gap:10px;font-size:.875rem;color:var(--c-text-2)}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-primary-2);box-shadow:0 0 0 4px rgba(108,75,255,.20);animation:pulse 2s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.86)}}
.countdown-groups{display:flex;align-items:center;gap:14px}
.cd-group{display:flex;align-items:baseline;gap:5px}
.cd-num{font-family:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:700;color:var(--c-gold);min-width:2ch;text-align:center}
.cd-unit{font-size:.6875rem;color:var(--c-text-3)}
.cd-sep{color:var(--c-text-3);font-size:.875rem}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,28,.62);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease), border-color .24s var(--ease), backdrop-filter .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(11,13,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:rgba(154,123,255,.28);
}
.nav{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding:6px 0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:1rem;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:.625rem;letter-spacing:.16em;color:var(--c-text-3)}
.nav-badge{
  margin-left:6px;font-size:.6875rem;line-height:1;padding:6px 10px;border-radius:999px;
  color:var(--c-gold);background:rgba(255,194,75,.12);border:1px solid rgba(255,194,75,.34);white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
  font-size:.9375rem;color:var(--c-text-2);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));
  transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);
}
.nav-menu a.active{color:var(--c-text);font-weight:600}
.nav-menu a.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(108,75,255,.75)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:rgba(255,255,255,.04);cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-line-strong);background:rgba(108,75,255,.12)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:.9375rem;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),opacity .2s var(--ease);
}
.btn i{font-size:15px}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(154,123,255,.5),0 16px 38px rgba(108,75,255,.45)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  background:transparent;color:var(--c-primary-2);border-color:rgba(154,123,255,.38);
}
.btn-ghost:hover{background:rgba(108,75,255,.14);border-color:var(--c-primary-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{
  background:rgba(53,225,240,.06);color:var(--c-cyan);border-color:rgba(53,225,240,.36);
}
.btn-outline:hover{background:rgba(53,225,240,.14);transform:translateY(-2px)}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.6;box-shadow:none;cursor:not-allowed;transform:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:.75rem;line-height:1;letter-spacing:.02em;white-space:nowrap;
}
.badge-live{color:#D9CFFF;background:rgba(108,75,255,.18);border:1px solid rgba(154,123,255,.40)}
.badge-cyan{color:var(--c-cyan);background:rgba(53,225,240,.08);border:1px solid rgba(53,225,240,.34)}
.badge-gold{color:var(--c-gold);background:rgba(255,194,75,.10);border:1px solid rgba(255,194,75,.34)}
.badge-alert{color:var(--c-alert);background:rgba(255,93,108,.10);border:1px solid rgba(255,93,108,.34)}
.badge-mute{color:var(--c-text-3);background:rgba(255,255,255,.05);border:1px solid var(--c-line)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--c-text-3);flex-wrap:wrap;padding-top:28px}
.breadcrumb a{color:var(--c-text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-cyan)}
.breadcrumb .sep{color:var(--c-text-3)}
.breadcrumb .current{color:var(--c-text)}

/* Hero */
.page-hero{padding:32px 0 72px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-top:32px}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 .grad{background:linear-gradient(120deg,var(--c-primary-2),var(--c-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.0625rem;line-height:1.85;color:var(--c-text-2);max-width:56ch;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-tags span{
  font-size:.8125rem;color:var(--c-text-2);padding:7px 12px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--c-line);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;
  background:linear-gradient(140deg,rgba(108,75,255,.18),rgba(11,13,28,.9));
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:rgba(20,24,48,.72);border:1px solid var(--c-line-strong);border-radius:14px;
  padding:16px 18px;box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);min-width:210px;
}
.hero-float .k{font-size:.6875rem;letter-spacing:.06em;color:var(--c-text-3);text-transform:uppercase}
.hero-float .v{font-family:ui-monospace,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:700;color:var(--c-gold);line-height:1.2}
.hero-float .d{font-size:.75rem;color:var(--c-text-2)}
.hero-chip{
  position:absolute;top:18px;right:-12px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:.75rem;color:#fff;
  background:rgba(11,13,28,.82);border:1px solid var(--c-line-strong);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}

/* 步骤流程 */
.steps{display:flex;flex-direction:column;gap:20px;position:relative}
.steps::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(108,75,255,.55),rgba(154,123,255,.10),transparent);
}
.step{
  display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:center;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 28px;position:relative;transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{border-color:var(--c-line-strong);transform:translateY(-4px);box-shadow:var(--sh-1)}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.step-num{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  font-family:ui-monospace,"JetBrains Mono",monospace;font-weight:700;font-size:1rem;
  color:#fff;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-2));
  border:1px solid rgba(154,123,255,.6);box-shadow:0 0 0 5px rgba(108,75,255,.10);
}
.step:nth-child(2) .step-num{color:#2A1B00;background:linear-gradient(140deg,var(--c-gold),#FFD98A);border-color:rgba(255,194,75,.7);box-shadow:0 0 0 5px rgba(255,194,75,.10)}
.step-body p{font-size:.9375rem;line-height:1.8;margin-top:6px;max-width:58ch}
.step-shot img{
  width:100%;border-radius:14px;border:1px solid var(--c-line);aspect-ratio:16/10;object-fit:cover;
  background:linear-gradient(140deg,rgba(108,75,255,.16),rgba(11,13,28,.9));
}
.step-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

/* 障碍卡片 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.obstacle{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;position:relative;overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.obstacle::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary-2),transparent)}
.obstacle:hover{border-color:var(--c-line-strong);transform:translateY(-4px);box-shadow:var(--sh-1)}
.obstacle h3{margin-bottom:8px;padding-left:14px}
.obstacle p{padding-left:14px;font-size:.9375rem;line-height:1.8}
.obstacle .solve{
  margin-top:16px;margin-left:14px;display:flex;gap:9px;align-items:flex-start;
  font-size:.875rem;color:var(--c-text-2);background:rgba(53,225,240,.05);
  border:1px solid rgba(53,225,240,.20);border-radius:12px;padding:12px 14px;line-height:1.75;
}
.obstacle .solve i{color:var(--c-cyan);margin-top:5px}

/* 数据带 */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.stat{background:var(--c-panel);padding:28px 24px}
.stat .num{
  font-family:ui-monospace,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums;
  font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700;color:var(--c-gold);line-height:1.1;
}
.stat .num small{font-size:.875rem;color:var(--c-text-2);margin-left:4px;font-weight:500}
.stat .lbl{font-size:.875rem;color:var(--c-text-2);margin-top:8px}
.stat .sub{font-size:.75rem;color:var(--c-text-3);margin-top:4px}

/* 清单 */
.checklist{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-card{
  background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.check-card:hover{border-color:var(--c-line-strong);transform:translateY(-4px)}
.check-card h4{margin-bottom:14px;display:flex;align-items:center;gap:9px}
.check-card h4 i{color:var(--c-cyan);font-size:15px}
.check-card li{
  display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--c-text-2);
  padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.07);line-height:1.75;
}
.check-card li:last-child{border-bottom:0}
.check-card li i{color:var(--c-primary-2);font-size:12px;margin-top:8px}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.faq-item{
  background:rgba(20,24,48,.72);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:var(--c-line-strong);background:rgba(27,32,64,.85)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;font-size:1rem;font-weight:600;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--c-line-strong);color:var(--c-primary-2);font-size:13px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item[open] summary .ico{transform:rotate(45deg);background:rgba(108,75,255,.20)}
.faq-item .ans{padding:0 22px 20px;font-size:.9375rem;line-height:1.85;color:var(--c-text-2)}

/* CTA 条 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(108,75,255,.22),rgba(20,24,48,.96) 60%);
  border:1px solid var(--c-line-strong);border-radius:20px;padding:34px 36px;
  box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band h3{font-size:clamp(1.25rem,2.2vw,1.625rem);margin-bottom:8px}
.cta-band p{font-size:.9375rem;color:var(--c-text-2);max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 相关阅读 */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.read-card{
  display:block;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.read-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-1)}
.read-card .thumb{aspect-ratio:16/9;object-fit:cover;width:100%;background:linear-gradient(140deg,rgba(108,75,255,.18),rgba(11,13,28,.9))}
.read-card:hover .thumb{transform:scale(1.03);transition:transform .28s var(--ease)}
.read-card .body{padding:20px 22px 24px}
.read-card .tagline{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.read-card h4{font-size:1.0625rem;line-height:1.5;margin-bottom:8px}
.read-card p{font-size:.875rem;line-height:1.75;color:var(--c-text-2)}
.read-card .more{margin-top:14px;font-size:.875rem;color:var(--c-cyan);display:inline-flex;align-items:center;gap:7px}

/* 页脚 */
.site-footer{
  background:var(--c-void);border-top:1px solid rgba(154,123,255,.24);
  padding:56px 0 28px;margin-top:0;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col h4{font-size:.9375rem;margin-bottom:16px;color:var(--c-text)}
.footer-col p{font-size:.875rem;line-height:1.8;color:var(--c-text-3)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:.875rem;color:var(--c-text-3);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--c-cyan);transform:translateX(3px)}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.75rem;color:var(--c-text-3);
}

/* 响应式 */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:6fr 5fr;gap:36px}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;inset:72px 0 0 0;flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(8,10,22,.98);padding:24px;margin-left:0;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-menu a{padding:14px 16px;font-size:1rem;border:1px solid var(--c-line);border-radius:12px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{background:rgba(108,75,255,.14);border-color:var(--c-line-strong)}
  .nav-toggle{display:grid;place-items:center}
  .nav-badge{display:none}
  .nav-actions .btn-ghost{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .step{grid-template-columns:1fr;gap:20px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .checklist{grid-template-columns:repeat(2,1fr)}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .grid-2{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;min-width:0}
  .hero-chip{position:static;display:inline-flex;margin-top:14px;right:auto;top:auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .step{padding:22px 20px}
  .countdown-inner{justify-content:center;text-align:center}
  .cd-num{font-size:1.0625rem}
}
@media (max-width:479px){
  .brand-sub{display:none}
  h1{font-size:1.75rem}
  .stat{padding:22px 18px}
}

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

/* roulang page: category2 */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(154,123,255,.35), 0 12px 34px rgba(108,75,255,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background-color:var(--c-night);
  background-image:
    radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    radial-gradient(rgba(154,123,255,.05) 1px, transparent 1px);
  background-size:140px 140px, 220px 220px;
  background-position:0 0, 70px 90px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:8px}
::selection{background:rgba(108,75,255,.4);color:#fff}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,13,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(11,13,28,.94);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
  border-radius:11px;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;color:#fff;white-space:nowrap}
.brand-sub{font-size:9.5px;letter-spacing:.16em;color:var(--c-text-3)}
.nav-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;margin-left:4px;
  border-radius:999px;font-size:11px;letter-spacing:.05em;
  color:var(--c-gold);background:rgba(255,194,75,.13);border:1px solid rgba(255,194,75,.36);
  white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:16px;flex:1 1 auto;min-width:0}
.nav-menu a{
  position:relative;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--c-text-2);
  white-space:nowrap;transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-menu a.active{color:#fff}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));
  box-shadow:0 0 12px rgba(154,123,255,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;color:#fff;font-size:18px;
  border:1px solid var(--c-line);background:rgba(255,255,255,.04);
}
.nav-toggle:hover{background:rgba(255,255,255,.09)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:15px}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(154,123,255,.55),0 18px 40px rgba(108,75,255,.5)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid var(--c-line-strong);color:#D6CDFF}
.btn-ghost:hover{background:rgba(108,75,255,.16);color:#fff}
.btn-outline{border:1px solid var(--c-line);background:rgba(255,255,255,.03);color:var(--c-text-2)}
.btn-outline:hover{border-color:var(--c-line-strong);color:#fff;background:rgba(108,75,255,.1)}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;letter-spacing:.04em;border:1px solid transparent;white-space:nowrap;
}
.badge-live{background:rgba(108,75,255,.16);border-color:var(--c-line-strong);color:#C9BAFF}
.badge-gold{background:rgba(255,194,75,.13);border-color:rgba(255,194,75,.38);color:var(--c-gold)}
.badge-alert{background:rgba(255,93,108,.13);border-color:rgba(255,93,108,.4);color:#FF9AA4}
.badge-cyan{background:rgba(53,225,240,.10);border-color:rgba(53,225,240,.34);color:var(--c-cyan)}
.badge-mute{background:rgba(255,255,255,.06);border-color:var(--c-line);color:var(--c-text-3)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 56px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-240px;left:44%;transform:translateX(-40%);
  width:920px;height:640px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(108,75,255,.30),transparent 62%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-cyan);letter-spacing:.06em;margin-bottom:18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 10px rgba(53,225,240,.9);animation:pulse 2.2s var(--ease) infinite}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--c-primary-2),var(--c-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;font-size:17px;color:var(--c-text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--c-text-2);
  padding:7px 13px;border-radius:999px;border:1px solid var(--c-line);background:rgba(255,255,255,.03);
}
.hero-tags i{color:var(--c-primary-2);font-size:12px}
.hero-side{display:flex;flex-direction:column;gap:20px}
.hero-visual{
  position:relative;height:224px;border-radius:20px;overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,6,14,.1),rgba(5,6,14,.82));
}
.hero-visual .float-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:12.5px;color:#fff;background:rgba(5,6,14,.6);border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-visual .float-tag i{color:var(--c-gold)}

/* ---------- 倒计时卡 ---------- */
.countdown-card{
  border-radius:20px;padding:26px;
  background:linear-gradient(160deg,rgba(27,32,64,.92),rgba(20,24,48,.86));
  border:1px solid var(--c-line-strong);
  box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.cd-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cd-head h3{font-size:16px;font-weight:600;color:#fff}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.cd-item{
  background:rgba(5,6,14,.6);border:1px solid var(--c-line);border-radius:12px;
  padding:12px 4px;text-align:center;
}
.cd-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--c-gold);line-height:1.15;
  display:block;
}
.cd-label{display:block;margin-top:4px;font-size:11px;color:var(--c-text-3);letter-spacing:.08em}
.cd-item.tick .cd-num{animation:tickPulse .18s var(--ease)}
.cd-foot{margin-top:16px;font-size:12.5px;color:var(--c-text-3)}

/* ---------- 通用板块 ---------- */
.sec{padding:72px 0;position:relative}
.sec-alt{background:rgba(14,17,34,.72)}
.sec-alt::before,.sec-alt::after{
  content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,123,255,.32),transparent);
}
.sec-alt::before{top:0}
.sec-alt::after{bottom:0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.3}
.sec-head h2::before{
  content:"";display:inline-block;width:9px;height:9px;border-radius:2px;
  background:var(--c-primary);margin-right:12px;transform:translateY(-4px);
  box-shadow:0 0 12px rgba(108,75,255,.9);
}
.sec-head p{margin:10px 0 0;color:var(--c-text-2);font-size:15px;max-width:640px}
.sec-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-cyan);
  border-bottom:1px solid transparent;transition:border-color .22s var(--ease);
  white-space:nowrap;
}
.sec-more:hover{border-color:var(--c-cyan)}

/* ---------- 时间轴 ---------- */
.axis-wrap{position:relative}
.axis-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.axis-track::-webkit-scrollbar{height:6px}
.axis-track::-webkit-scrollbar-thumb{background:rgba(154,123,255,.35);border-radius:999px}
.axis-track::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:999px}
.axis-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.axis-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-1)}
.axis-date{font-family:var(--mono);font-size:13px;color:var(--c-cyan);letter-spacing:.04em}
.axis-card h3{margin-top:10px;font-size:17px}
.axis-card p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.axis-rule{height:2px;margin:16px 0 14px;background:linear-gradient(90deg,var(--c-primary),rgba(108,75,255,0))}
.axis-state{display:flex;align-items:center;justify-content:space-between;gap:10px}
.axis-hint{font-size:12px;color:var(--c-text-3)}

/* ---------- 赛事卡片 ---------- */
.match-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.match-card{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.match-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-1)}
.match-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(108,75,255,.18),rgba(53,225,240,.1))}
.match-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.match-card:hover .match-cover img{transform:scale(1.03)}
.match-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,6,14,0),rgba(5,6,14,.6))}
.match-cover .badge{position:absolute;top:14px;left:14px;z-index:2}
.match-body{padding:24px}
.match-meta{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;color:var(--c-text-3)}
.match-meta i{color:var(--c-cyan)}
.match-body h3{margin-top:12px;font-size:19px;line-height:1.4}
.match-body p{margin-top:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.75}
.match-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line)}
.match-note{font-size:12px;color:var(--c-text-3)}
.match-card.is-done{opacity:.7}
.match-card.is-done:hover{transform:none}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:20px;
  padding:34px 28px;box-shadow:var(--sh-1);
}
.stat{padding:0 20px}
.stat + .stat{border-left:1px solid var(--c-line)}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3.2vw,38px);font-weight:700;color:var(--c-gold);line-height:1.15;
}
.stat-num small{font-size:15px;margin-left:2px}
.stat-label{margin-top:6px;font-size:14px;color:var(--c-text-2)}
.stat-desc{margin-top:6px;font-size:12.5px;color:var(--c-text-3);line-height:1.6}

/* ---------- 参与须知 ---------- */
.notes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.note{
  background:var(--c-panel);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:24px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.note:hover{transform:translateY(-3px);background:var(--c-panel-2)}
.note:nth-child(2){border-left-color:var(--c-gold)}
.note:nth-child(3){border-left-color:var(--c-cyan)}
.note i{font-size:18px;color:var(--c-primary-2)}
.note:nth-child(2) i{color:var(--c-gold)}
.note:nth-child(3) i{color:var(--c-cyan)}
.note h3{margin-top:14px;font-size:17px}
.note p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px;align-items:start}
details.faq{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:14px;
  padding:6px 20px 6px;transition:border-color .22s var(--ease),background .22s var(--ease);
}
details.faq[open]{border-color:var(--c-line-strong);background:var(--c-panel-2)}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:48px;padding:8px 0;font-size:16px;font-weight:600;color:#fff;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--c-primary-2);
  transition:transform .22s var(--ease);flex:0 0 auto;
}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq p{margin:4px 0 14px;font-size:14.5px;color:var(--c-text-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px;border-radius:24px;
  background:linear-gradient(120deg,rgba(108,75,255,.24),rgba(53,225,240,.07)),var(--c-panel);
  border:1px solid var(--c-line-strong);
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(1.375rem,2.2vw,1.875rem);line-height:1.35}
.cta-band h2::before{display:none}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--c-void);border-top:1px solid var(--c-line);
  padding:64px 0 28px;font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,123,255,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col h4{margin:0 0 16px;font-size:15px;color:#fff}
.footer-col p{color:var(--c-text-3);line-height:1.8;font-size:13.5px}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--c-text-3);font-size:13.5px;transition:color .22s var(--ease)}
.footer-links a:hover{color:var(--c-cyan)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line);
  font-size:12px;color:var(--c-text-3);
}

/* ---------- 动效 ---------- */
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
@keyframes tickPulse{from{transform:scale(1.09)}to{transform:scale(1)}}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px}
  .axis-card{flex:0 0 286px}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:88;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:24px;
    background:rgba(5,6,14,.97);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
    overflow-y:auto;
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu a{padding:16px 14px;font-size:17px;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-menu a.active::after{left:14px;right:auto;width:0}
  .nav-menu a.active{color:var(--c-primary-2)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:48px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{height:240px}
  .sec{padding:60px 0}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 8px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat{padding:0 16px}
  .notes{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .brand-sub{display:none}
  .nav-badge{display:none}
  .sec{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .match-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .axis-card{flex:0 0 78%}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .stats{grid-template-columns:1fr;gap:22px;padding:26px 22px}
  .stat{padding:0}
  .stat + .stat{border-left:0;border-top:1px solid var(--c-line);padding-top:20px}
  .hero-actions .btn{width:100%}
  .match-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero h1{font-size:1.85rem}
  .hero-visual{height:200px}
  .countdown-card{padding:20px}
  .cd-grid{gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 12px 34px rgba(108,75,255,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-night);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.07;
  background-image:
    radial-gradient(1px 1px at 18% 26%, #ffffff, transparent 100%),
    radial-gradient(1px 1px at 72% 58%, #ffffff, transparent 100%),
    radial-gradient(1px 1px at 44% 82%, #ffffff, transparent 100%),
    radial-gradient(1px 1px at 88% 18%, #ffffff, transparent 100%),
    radial-gradient(1px 1px at 32% 62%, #ffffff, transparent 100%);
  background-size:320px 320px,260px 260px,400px 400px,220px 220px,300px 300px;
}
h1,h2,h3,h4{margin:0;line-height:1.3}
h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(1.5rem,2.6vw,2.125rem);
  font-weight:700;
  letter-spacing:-.005em;
}
h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:3px;
  height:.95em;
  border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary));
  box-shadow:0 0 12px rgba(108,75,255,.75);
}
h3{font-size:1.25rem;font-weight:600}
h4{font-size:1.0625rem;font-weight:600}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:var(--c-cyan);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-2)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
main{position:relative;z-index:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,13,28,.55);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,13,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--c-text);
  flex:none;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 20px rgba(108,75,255,.4),inset 0 1px 0 rgba(255,255,255,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:9.5px;letter-spacing:.16em;color:var(--c-text-3);font-family:var(--font-num)}
.nav-badge{
  margin-left:6px;
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:var(--r-pill);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--c-gold);
  background:rgba(255,194,75,.13);
  border:1px solid rgba(255,194,75,.35);
}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--c-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .24s var(--ease);
  box-shadow:0 0 10px rgba(108,75,255,.9);
}
.nav-menu a:hover{color:var(--c-text)}
.nav-menu a:hover::after,
.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--c-text);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.04);
  color:var(--c-text);
  font-size:17px;
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(108,75,255,.16);border-color:var(--c-line-strong)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn i{font-size:15px}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(108,75,255,.55);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  background:rgba(255,255,255,.035);
  border-color:var(--c-line-strong);
  color:var(--c-text);
}
.btn-ghost:hover{background:rgba(108,75,255,.14);border-color:var(--c-primary-2);color:var(--c-text)}
.btn-ghost:active{filter:brightness(.94)}
.btn-subtle{
  background:transparent;
  border-color:var(--c-line);
  color:var(--c-text-2);
}
.btn-subtle:hover{color:var(--c-text);border-color:var(--c-line-strong)}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
  border:1px solid transparent;
  white-space:nowrap;
}
.badge-live{background:rgba(108,75,255,.18);color:#CBBCFF;border-color:rgba(154,123,255,.42)}
.badge-cyan{background:rgba(53,225,240,.12);color:var(--c-cyan);border-color:rgba(53,225,240,.3)}
.badge-gold{background:rgba(255,194,75,.13);color:var(--c-gold);border-color:rgba(255,194,75,.36)}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 72px;overflow:hidden}
.hero::after{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:760px;
  height:640px;
  background:radial-gradient(circle at 60% 40%,rgba(108,75,255,.24),transparent 68%);
  pointer-events:none;
  z-index:0;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-cyan);
  text-transform:uppercase;
  font-family:var(--font-num);
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-cyan);
  box-shadow:0 0 10px var(--c-cyan);
}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
  margin:16px 0 16px;
}
.hero-sub{
  font-size:17px;
  color:var(--c-text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px}
.point{
  font-size:13px;
  color:var(--c-text-2);
  padding:6px 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
}
.hero-visual{position:relative;z-index:1}
.hero-media{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:400px;object-fit:cover}
.glass-card{
  position:absolute;
  left:-30px;
  bottom:-34px;
  width:min(430px,92%);
  padding:20px 22px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(27,32,64,.94),rgba(17,21,42,.9));
  border:1px solid var(--c-line-strong);
  box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.metric-num{
  display:block;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--c-gold);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.metric-label{font-size:12px;color:var(--c-text-3);line-height:1.5;display:block}
.float-tag{
  position:absolute;
  top:16px;
  right:16px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--c-gold);
  background:rgba(5,6,14,.72);
  border:1px solid rgba(255,194,75,.4);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}

/* 精简倒计时 */
.countdown-mini{
  margin-top:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
  padding:14px 22px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:linear-gradient(90deg,rgba(108,75,255,.16),rgba(11,13,28,.5) 70%);
}
.cd-label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text-2)}
.cd-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--c-primary-2);
  box-shadow:0 0 12px var(--c-primary-2);
  animation:breathe 2.2s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.cd-groups{display:flex;gap:10px;flex-wrap:wrap}
.cd-cell{
  min-width:58px;
  padding:6px 8px 5px;
  border-radius:10px;
  text-align:center;
  background:rgba(5,6,14,.62);
  border:1px solid var(--c-line);
}
.cd-num{
  display:block;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--c-gold);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  transition:transform .12s var(--ease);
}
.cd-num.tick{transform:scale(1.14)}
.cd-unit{font-size:11px;color:var(--c-text-3)}

/* ============ 板块 ============ */
.section{padding:72px 0;position:relative}
.section::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,123,255,.3),transparent);
}
.section-alt{background:var(--c-night-2)}
.section-head{max-width:780px;margin-bottom:42px}
.section-head .eyebrow{margin-bottom:12px}
.section-head p{color:var(--c-text-2);font-size:16px;margin-top:14px}
.section-head h2 + p{margin-top:14px}

/* 轨道卖点 */
.track{position:relative;padding-left:40px;max-width:900px}
.track::before{
  content:"";
  position:absolute;
  left:12px;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(108,75,255,.75),rgba(53,225,240,.35),transparent);
}
.track-item{position:relative;padding-bottom:34px}
.track-item:last-child{padding-bottom:0}
.track-num{
  position:absolute;
  left:-40px;
  top:2px;
  width:26px;
  height:26px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:11px;
  color:var(--c-primary-2);
  background:var(--c-night-2);
  border:1px solid var(--c-line-strong);
}
.track-item h3{margin-bottom:6px}
.track-item p{color:var(--c-text-2);font-size:15px;margin:0;max-width:720px}
.track-item.is-gold .track-num{border-color:rgba(255,194,75,.5);color:var(--c-gold)}
.track-item.is-gold h3{color:var(--c-gold)}

/* Zigzag */
.zigzag{display:grid;gap:64px}
.zz-row{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.zz-row:nth-child(even) .zz-media{order:-1}
.zz-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:linear-gradient(135deg,rgba(108,75,255,.14),rgba(53,225,240,.06));
}
.zz-media img{width:100%;height:306px;object-fit:cover;transition:transform .45s var(--ease)}
.zz-media:hover img{transform:scale(1.03)}
.zz-copy h2{margin-bottom:14px}
.zz-copy p{color:var(--c-text-2);font-size:16px}
.check-list{margin-top:18px}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--c-text-2);
  margin-bottom:9px;
}
.check-list li::before{
  content:"✦";
  position:absolute;
  left:0;
  top:0;
  font-size:12px;
  color:var(--c-cyan);
}
.check-list li:last-child{margin-bottom:0}

/* 对比条 */
.compare{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.compare-col{
  padding:22px 20px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:var(--c-panel);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.compare-col:hover{transform:translateY(-3px);border-color:var(--c-line-strong)}
.compare-col.is-active{
  background:var(--c-panel-2);
  border-color:var(--c-line-strong);
  box-shadow:0 18px 44px rgba(108,75,255,.24),inset 0 1px 0 rgba(255,255,255,.07);
}
.compare-col .step{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-text-3);
}
.compare-col h3{font-size:1.0625rem;margin:10px 0 8px}
.compare-col p{font-size:14px;line-height:1.7;color:var(--c-text-2);margin:0}
.compare-col.is-active h3{color:var(--c-primary-2)}

/* 数据条 */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:36px;
}
.data-item{border-left:2px solid rgba(255,194,75,.42);padding-left:16px}
.data-item .num{
  display:block;
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:var(--c-gold);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.data-item .lbl{font-size:13px;color:var(--c-text-3)}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;align-items:start}
.faq-item{
  border:1px solid var(--c-line);
  border-radius:14px;
  background:rgba(20,24,48,.72);
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item:hover{border-color:var(--c-line-strong)}
.faq-item.open{background:var(--c-panel-2);border-color:var(--c-line-strong)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:none;
  border:0;
  color:var(--c-text);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  text-align:left;
  cursor:pointer;
}
.faq-icon{
  flex:none;
  width:22px;
  height:22px;
  display:grid;
  place-items:center;
  color:var(--c-primary-2);
  font-size:14px;
  transition:transform .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-item.open .faq-a{max-height:280px}
.faq-a p{
  margin:0;
  padding:0 20px 20px;
  font-size:15px;
  color:var(--c-text-2);
}

/* CTA 面板 */
.cta-panel{
  padding:46px 44px;
  border-radius:20px;
  border:1px solid var(--c-line-strong);
  background:linear-gradient(135deg,rgba(108,75,255,.38),rgba(53,225,240,.12) 58%,rgba(27,32,64,.92));
  box-shadow:var(--sh-2);
  display:grid;
  grid-template-columns:1.5fr .9fr;
  gap:32px;
  align-items:center;
}
.cta-panel h2{margin-bottom:14px}
.cta-panel p{color:var(--c-text-2);font-size:16px;margin:0;max-width:620px}
.cta-side{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-side .btn{width:100%}
.cta-note{font-size:12px;color:var(--c-text-3)}

/* 相关阅读 */
.related{margin-top:44px}
.related h3{margin-bottom:18px;font-size:1.0625rem;color:var(--c-text-2);font-weight:600}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{
  display:flex;
  gap:14px;
  align-items:center;
  padding:14px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:var(--c-panel);
  color:var(--c-text);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.related-card:hover{transform:translateY(-3px);border-color:var(--c-line-strong);box-shadow:var(--sh-1);color:var(--c-text)}
.related-card img{
  width:92px;
  height:70px;
  flex:none;
  border-radius:10px;
  object-fit:cover;
  background:linear-gradient(135deg,rgba(108,75,255,.18),transparent);
}
.related-card strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.related-card span{font-size:13px;color:var(--c-text-3);line-height:1.6}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  width:46px;
  height:46px;
  border-radius:13px;
  border:1px solid var(--c-line-strong);
  background:rgba(20,24,48,.9);
  color:var(--c-text);
  font-size:16px;
  cursor:pointer;
  display:grid;
  place-items:center;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .24s var(--ease);
  z-index:70;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:rgba(108,75,255,.3)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--c-void);
  border-top:1px solid var(--c-line);
  padding-top:56px;
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(154,123,255,.45),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:42px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--c-text-3);line-height:1.8;margin:0}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--c-text-3)}
.footer-links a:hover{color:var(--c-cyan)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:18px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:12px;
  color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;
    left:0;
    right:0;
    top:72px;
    bottom:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:24px 24px 40px;
    background:rgba(5,6,14,.97);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    overflow-y:auto;
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    z-index:55;
  }
  .nav-menu.open{opacity:1;transform:none;pointer-events:auto}
  .nav-menu a{
    width:100%;
    font-size:17px;
    padding:15px 2px;
    border-bottom:1px solid var(--c-line);
  }
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--c-primary-2);font-weight:600}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-ghost{display:none}
  .nav-badge{display:none}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media img{height:320px}
  .glass-card{position:static;width:100%;margin-top:18px;left:auto;bottom:auto}
  .float-tag{top:12px;right:12px}
  .countdown-mini{margin-top:36px}
  .section{padding:56px 0}
  .zz-row{grid-template-columns:1fr;gap:26px}
  .zz-row:nth-child(even) .zz-media{order:0}
  .zz-media img{height:260px}
  .compare{grid-template-columns:1fr 1fr}
  .data-strip{grid-template-columns:1fr 1fr}
  .faq{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .nav{height:64px}
  .nav-menu{top:64px}
  .brand-sub{display:none}
  .brand-name{font-size:15px}
  .hero h1{font-size:clamp(1.7rem,7vw,2.2rem)}
  .hero-media img{height:230px}
  .glass-card{grid-template-columns:1fr 1fr;gap:14px;padding:16px}
  .hero-actions .btn{flex:1 1 100%}
  .countdown-mini{padding:12px 16px}
  .cd-groups{width:100%}
  .cd-cell{flex:1 1 0;min-width:0}
  .cd-num{font-size:18px}
  .track{padding-left:34px}
  .track-num{left:-34px;width:24px;height:24px}
  .zz-media img{height:210px}
  .compare{grid-template-columns:1fr}
  .data-strip{grid-template-columns:1fr}
  .cta-panel{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  .hero h1{font-size:1.65rem}
  .hero-points .point{font-size:12px}
  .related-card{flex-direction:column;align-items:flex-start}
  .related-card img{width:100%;height:132px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --c-void:#05060E;
  --c-night:#0B0D1C;
  --c-night-2:#0E1122;
  --c-panel:#141830;
  --c-panel-2:#1B2040;
  --c-line:rgba(255,255,255,.10);
  --c-line-strong:rgba(154,123,255,.38);
  --c-primary:#6C4BFF;
  --c-primary-2:#9A7BFF;
  --c-cyan:#35E1F0;
  --c-gold:#FFC24B;
  --c-alert:#FF5D6C;
  --c-text:#EAF0FF;
  --c-text-2:#A9B3D0;
  --c-text-3:#6E7897;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 24px 60px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(108,75,255,.35),0 10px 30px rgba(108,75,255,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--c-night);color:var(--c-text);
  font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.06;
  background-image:
    radial-gradient(1px 1px at 12% 18%,#fff 50%,transparent 51%),
    radial-gradient(1px 1px at 32% 62%,#fff 50%,transparent 51%),
    radial-gradient(1px 1px at 68% 28%,#fff 50%,transparent 51%),
    radial-gradient(1px 1px at 82% 72%,#fff 50%,transparent 51%),
    radial-gradient(1px 1px at 48% 88%,#fff 50%,transparent 51%),
    radial-gradient(1px 1px at 92% 12%,#fff 50%,transparent 51%);
  background-size:340px 340px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:72px 0}
.section-alt{background:var(--c-night-2)}
.divide{height:1px;background:linear-gradient(90deg,transparent,rgba(154,123,255,.35),transparent)}
h2.section-title{
  position:relative;font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.3;font-weight:700;
  padding-left:18px;margin-bottom:14px;
}
h2.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary));
  box-shadow:0 0 14px rgba(108,75,255,.6);
}
.section-lead{color:var(--c-text-2);font-size:15px;max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-cyan);
  border:1px solid rgba(53,225,240,.35);border-radius:var(--r-pill);padding:3px 12px;margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;line-height:1;white-space:nowrap;
}
.badge-live{background:rgba(108,75,255,.18);border:1px solid rgba(154,123,255,.45);color:#CFC2FF}
.badge-gold{background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.45);color:var(--c-gold)}
.badge-cyan{background:rgba(53,225,240,.10);border:1px solid rgba(53,225,240,.38);color:var(--c-cyan)}
.badge-alert{background:rgba(255,93,108,.12);border:1px solid rgba(255,93,108,.45);color:#FFB3BB}
.badge-muted{background:rgba(255,255,255,.06);border:1px solid var(--c-line);color:var(--c-text-3)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,13,28,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line)}
.countdown-bar{
  background:linear-gradient(90deg,rgba(108,75,255,.28),rgba(11,13,28,.2) 70%,transparent);
  border-bottom:1px solid rgba(154,123,255,.22);
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.cd-left{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--c-text-2)}
.cd-dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary-2);box-shadow:0 0 0 0 rgba(154,123,255,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(154,123,255,.55)}70%{box-shadow:0 0 0 10px rgba(154,123,255,0)}100%{box-shadow:0 0 0 0 rgba(154,123,255,0)}}
.cd-right{display:flex;align-items:center;gap:8px}
.cd-item{display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.04);border:1px solid var(--c-line);border-radius:9px;padding:3px 9px}
.cd-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:19px;font-weight:700;color:var(--c-gold);letter-spacing:.02em}
.cd-unit{font-size:11px;color:var(--c-text-3)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:15px;
  background:linear-gradient(140deg,var(--c-primary),#3B2AA8);box-shadow:0 6px 18px rgba(108,75,255,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:10px;letter-spacing:.22em;color:var(--c-text-3)}
.nav-badge{
  font-size:11px;color:var(--c-gold);border:1px solid rgba(255,194,75,.4);border-radius:var(--r-pill);
  padding:2px 9px;background:rgba(255,194,75,.1);white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-menu a{
  position:relative;font-size:14.5px;color:var(--c-text-2);padding:10px 12px;border-radius:9px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:#fff}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary-2);box-shadow:0 0 10px rgba(154,123,255,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:11px;border:1px solid var(--c-line);
  color:var(--c-text);align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);font-size:14.5px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),opacity .2s var(--ease);
}
.btn i{font-size:16px}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(154,123,255,.5),0 16px 38px rgba(108,75,255,.5)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{color:var(--c-primary-2);border-color:var(--c-line-strong);background:transparent}
.btn-ghost:hover{background:rgba(108,75,255,.14);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.btn-line{color:var(--c-text);border-color:var(--c-line);background:rgba(255,255,255,.04)}
.btn-line:hover{border-color:var(--c-line-strong);background:rgba(255,255,255,.08)}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);
  background:
    radial-gradient(720px 320px at 78% 8%,rgba(108,75,255,.34),transparent 70%),
    linear-gradient(180deg,rgba(5,6,14,.72),rgba(11,13,28,.96)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,13,28,.95));pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:78px 0 66px;display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:16px}
.hero h1 span{color:var(--c-primary-2)}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:620px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  background:linear-gradient(160deg,rgba(27,32,64,.86),rgba(20,24,48,.72));
  border:1px solid var(--c-line-strong);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(8px);
}
.hero-panel h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px}
.hero-panel p{font-size:13.5px;color:var(--c-text-2);margin-bottom:18px}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.metric{background:rgba(255,255,255,.04);border:1px solid var(--c-line);border-radius:12px;padding:12px 10px;text-align:center}
.metric b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;color:var(--c-gold);line-height:1.3}
.metric span{font-size:11.5px;color:var(--c-text-3)}

/* ---------- search ---------- */
.search-wrap{position:relative;max-width:640px}
.search-wrap i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--c-text-3);font-size:15px}
.search-input{
  width:100%;height:52px;border-radius:var(--r-btn);background:rgba(5,6,14,.7);border:1px solid var(--c-line);
  padding:0 16px 0 46px;font-size:15px;color:var(--c-text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-input::placeholder{color:var(--c-text-3)}
.search-input:focus{outline:none;border-color:var(--c-primary-2);box-shadow:0 0 0 3px rgba(108,75,255,.22)}
.search-hint{font-size:12.5px;color:var(--c-text-3);margin-top:10px;min-height:18px}

/* ---------- anchor nav + faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:248px 1fr;gap:40px;align-items:start}
.anchor-nav{position:sticky;top:150px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1)}
.anchor-nav h3{font-size:13px;letter-spacing:.1em;color:var(--c-text-3);text-transform:uppercase;margin:4px 6px 12px}
.anchor-nav a{
  display:block;font-size:14.5px;color:var(--c-text-2);padding:10px 12px;border-radius:10px;border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.anchor-nav a.active{color:#fff;background:rgba(108,75,255,.16);border-left-color:var(--c-primary-2)}
.anchor-tabs{display:none;gap:10px;overflow-x:auto;padding:4px 0 12px;-webkit-overflow-scrolling:touch}
.anchor-tabs a{
  flex:0 0 auto;font-size:13.5px;color:var(--c-text-2);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:8px 16px;background:rgba(255,255,255,.03);white-space:nowrap;
}
.anchor-tabs a.active{color:#fff;border-color:var(--c-line-strong);background:rgba(108,75,255,.2)}
.faq-group{margin-bottom:44px;scroll-margin-top:150px}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.faq-group-head h2{font-size:1.25rem;font-weight:600;position:relative;padding-left:16px}
.faq-group-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-cyan),rgba(53,225,240,.15));
}
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;align-items:start}
.faq-item{
  background:linear-gradient(160deg,rgba(27,32,64,.7),rgba(20,24,48,.6));
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.faq-item:hover{border-color:var(--c-line-strong);transform:translateY(-2px)}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;width:100%;text-align:left;
  padding:16px 18px;font-size:15.5px;font-weight:600;color:var(--c-text);min-height:44px;
}
.faq-q .faq-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;margin-top:3px;
  border:1px solid var(--c-line-strong);color:var(--c-primary-2);font-size:12px;transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(108,75,255,.22)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 18px 18px;font-size:14.5px;color:var(--c-text-2);line-height:1.75}
.faq-empty{display:none;padding:34px 20px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-3);font-size:14px}
.faq-empty i{display:block;font-size:26px;color:var(--c-primary-2);margin-bottom:10px}

/* ---------- safety cards ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.safety-card{
  position:relative;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px 22px 28px;box-shadow:var(--sh-1);transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.safety-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-alert),rgba(255,93,108,.2))}
.safety-card:hover{border-color:rgba(255,93,108,.4);transform:translateY(-3px)}
.safety-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.safety-card h3 i{color:var(--c-alert);font-size:15px}
.safety-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.75}

/* ---------- panel card / steps ---------- */
.panel{
  background:linear-gradient(165deg,rgba(27,32,64,.72),rgba(18,21,42,.68));
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.cover-frame{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);position:relative}
.cover-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .3s var(--ease)}
.cover-frame:hover img{transform:scale(1.03)}
.cover-frame figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12.5px;color:var(--c-text-2);background:linear-gradient(180deg,transparent,rgba(5,6,14,.92))}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:14.8px;color:var(--c-text-2)}
.check-list li i{color:var(--c-cyan);margin-top:6px;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:6px}
.stat{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;text-align:center}
.stat b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:28px;color:var(--c-gold);line-height:1.25}
.stat span{font-size:13px;color:var(--c-text-2)}

/* ---------- links list ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.link-card{
  display:block;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-2)}
.link-card span.tag{display:inline-block;font-size:12px;color:var(--c-cyan);border:1px solid rgba(53,225,240,.35);border-radius:var(--r-pill);padding:2px 10px;margin-bottom:12px}
.link-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.link-card p{font-size:14px;color:var(--c-text-2);line-height:1.7}
.link-card .more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;color:var(--c-primary-2)}
.link-card:hover .more i{transform:translateX(4px)}
.link-card .more i{transition:transform .2s var(--ease)}

/* ---------- support bar + cta ---------- */
.support-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(120deg,rgba(108,75,255,.22),rgba(20,24,48,.85));
  border:1px solid var(--c-line-strong);border-radius:var(--r-card);padding:26px 30px;box-shadow:var(--sh-1);
}
.support-bar h3{font-size:1.25rem;font-weight:600;margin-bottom:6px}
.support-bar p{font-size:14.5px;color:var(--c-text-2)}
.cta-panel{
  position:relative;overflow:hidden;border-radius:22px;padding:52px 40px;text-align:center;
  background:linear-gradient(135deg,rgba(108,75,255,.9),rgba(59,42,168,.85));
  box-shadow:0 30px 70px rgba(108,75,255,.32);
}
.cta-panel::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;right:-140px;top:-200px;background:radial-gradient(circle,rgba(154,123,255,.55),transparent 65%)}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;margin-bottom:12px;position:relative;z-index:1}
.cta-panel p{color:rgba(255,255,255,.82);font-size:15.5px;margin-bottom:26px;position:relative;z-index:1}
.cta-panel .btn{background:#fff;color:#231A5C;box-shadow:0 14px 34px rgba(0,0,0,.28)}
.cta-panel .btn:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(0,0,0,.34)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- backtop ---------- */
.backtop{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:14px;z-index:70;
  background:rgba(27,32,64,.92);border:1px solid var(--c-line-strong);color:var(--c-primary-2);
  display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  box-shadow:var(--sh-1);
}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{background:rgba(108,75,255,.35);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--c-void);border-top:1px solid var(--c-line-strong);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-col h4{font-size:14.5px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col p{font-size:13.5px;color:var(--c-text-3);line-height:1.75}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.8px;color:var(--c-text-3);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--c-cyan)}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--c-text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1023px){
  .nav-menu{display:none;position:fixed;inset:0;top:0;background:rgba(5,6,14,.97);padding:110px 26px 40px;
    flex-direction:column;align-items:flex-start;gap:6px;z-index:80;overflow-y:auto}
  .nav-menu.open{display:flex}
  .nav-menu a{font-size:17px;width:100%;padding:14px 12px}
  .nav-menu a.active::after{display:none}
  .nav-toggle{display:inline-flex;z-index:90}
  body.locked{overflow:hidden}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 50px}
  .faq-layout{grid-template-columns:1fr;gap:22px}
  .anchor-nav{display:none}
  .anchor-tabs{display:flex}
  .faq-cols{grid-template-columns:1fr}
  .link-cards{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .countdown-inner{gap:10px}
  .cd-left span.cd-text{display:none}
  .cd-num{font-size:17px}
  .nav-badge{display:none}
  .brand-sub{display:none}
  .hero-inner{padding:44px 0 40px}
  .hero-actions .btn{width:100%}
  .metric-row{grid-template-columns:repeat(3,1fr)}
  .safety-grid{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .support-bar{padding:22px}
  .support-bar .btn{width:100%}
  .cta-panel{padding:38px 22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}