/* roulang page: index */
:root{
  --bg:#0B0F14;
  --surface:#121820;
  --surface-2:#1A2230;
  --text:#F8FAFC;
  --muted:#A8B3C2;
  --primary:#00E6A8;
  --primary-2:#7A5CFF;
  --accent:#FF6B2C;
  --border:#243040;
  --radius:16px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --light-bg:#F5F7FA;
  --light-surface:#FFFFFF;
  --light-border:#DDE3EA;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;line-height:1.3;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:#0F1620;
  border-bottom:1px solid var(--border);
  font-size:13px;
}
.promo-inner{
  display:flex;align-items:center;gap:12px;min-height:34px;padding:6px 0;
  flex-wrap:wrap;
}
.promo-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag-dot{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--border);border-radius:999px;
  padding:2px 10px;color:var(--muted);font-size:12px;letter-spacing:.02em;
}
.tag-dot i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block;box-shadow:0 0 8px var(--primary);}
.tag-dot.is-new i{background:var(--primary-2);box-shadow:0 0 8px var(--primary-2);}
.tag-dot.is-act i{background:var(--accent);box-shadow:0 0 8px var(--accent);}
.countdown{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;}
.countdown-time{color:var(--primary);font-weight:700;letter-spacing:.06em;}
.promo-spacer{flex:1;}
.promo-close{
  background:transparent;border:1px solid var(--border);color:var(--muted);
  border-radius:999px;width:26px;height:26px;line-height:1;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;transition:.2s;
}
.promo-close:hover{color:var(--text);border-color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;}
.nav-bar{
  background:rgba(11,15,20,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(0,230,168,.18);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#08110D;font-weight:900;font-size:17px;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  border:1px solid transparent;transition:.2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(0,230,168,.08);border-color:var(--border);}
.nav-link.is-active{color:var(--primary);background:rgba(0,230,168,.1);border-color:rgba(0,230,168,.35);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border);border-radius:10px;
  width:44px;height:44px;align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  display:none;background:#0D131A;border-bottom:1px solid var(--border);
  padding:12px 16px 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:14px 12px;border-radius:12px;color:var(--muted);
  font-size:15px;border:1px solid transparent;
}
.nav-drawer a:hover{color:var(--text);background:var(--surface);}
.nav-drawer a.is-active{color:var(--primary);border-color:rgba(0,230,168,.35);background:rgba(0,230,168,.08);}
.nav-drawer .drawer-cta{margin-top:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;font-size:15px;line-height:1;
  padding:13px 22px;min-height:46px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{padding:10px 16px;min-height:38px;font-size:14px;border-radius:10px;}
.btn-lg{padding:16px 30px;min-height:52px;font-size:16px;}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  color:#06110C;
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,230,168,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;border-color:var(--border);color:var(--text);
}
.btn-outline:hover{border-color:var(--primary);background:rgba(0,230,168,.1);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#160A04;}
.btn-accent:hover{filter:brightness(1.07);transform:translateY(-2px);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.08em;color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--primary);display:block;}
.section-title{font-size:30px;margin-top:12px;}
.section-sub{color:var(--muted);margin-top:12px;max-width:720px;font-size:16px;}
@media(min-width:768px){.section-title{font-size:36px;}}

.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:4px 12px;font-size:12px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--border);color:var(--muted);background:rgba(255,255,255,.02);
}
.badge-soft{border-color:rgba(0,230,168,.32);color:var(--primary);background:rgba(0,230,168,.08);}
.badge-purple{border-color:rgba(122,92,255,.38);color:#B9A9FF;background:rgba(122,92,255,.12);}
.badge-orange{border-color:rgba(255,107,44,.4);color:#FFA47A;background:rgba(255,107,44,.12);}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:0 18px 48px rgba(0,0,0,.5);}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-body{padding:20px 22px 24px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:#0A0E13;
  background-image:linear-gradient(100deg,rgba(8,11,16,.96) 0%,rgba(8,11,16,.86) 42%,rgba(8,11,16,.55) 72%,rgba(8,11,16,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;opacity:.6;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;display:grid;gap:40px;}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center;padding:88px 0 96px;}
}
.hero h1{font-size:34px;line-height:1.24;}
@media(min-width:768px){.hero h1{font-size:46px;}}
@media(min-width:1280px){.hero h1{font-size:54px;}}
.hero-sub{color:#CBD5E1;font-size:17px;margin-top:20px;max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;color:var(--muted);font-size:14px;}
.hero-meta strong{color:var(--text);}
.download-card{
  background:rgba(18,24,32,.92);border:1px solid var(--border);border-radius:20px;
  padding:26px;box-shadow:var(--shadow);
}
.download-card h2{font-size:19px;}
.qr-placeholder{
  width:112px;height:112px;border-radius:14px;border:1px dashed var(--border);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--muted);font-size:12px;line-height:1.5;background:rgba(255,255,255,.02);
  padding:8px;
}
.channel-list{margin-top:18px;display:grid;gap:10px;}
.channel-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid var(--border);border-radius:12px;padding:12px 14px;background:rgba(255,255,255,.02);
  transition:.2s;
}
.channel-item:hover{border-color:var(--primary);background:rgba(0,230,168,.06);}
.channel-item span:first-child{font-weight:700;font-size:14px;}
.channel-item span:last-child{color:var(--muted);font-size:13px;}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;gap:18px;margin-top:36px;}
@media(min-width:768px){
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .pain-grid > :nth-child(2){margin-top:26px;}
  .pain-grid > :nth-child(3){margin-top:-10px;}
}
.pain-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;transition:.22s;
}
.pain-card:hover{border-color:var(--primary);transform:translateY(-3px);}
.pain-index{
  font-size:13px;font-weight:800;color:var(--primary);letter-spacing:.12em;
}
.pain-card h3{font-size:19px;margin-top:12px;}
.pain-card p{color:var(--muted);margin-top:10px;font-size:15px;}

/* ---------- 解决方案交替图文 ---------- */
.split{display:grid;gap:34px;align-items:center;margin-top:44px;}
@media(min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:56px;}}
.split.reverse .split-media{order:-1;}
@media(max-width:1023px){.split.reverse .split-media{order:0;}}
.split-media{border-radius:18px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split h3{font-size:26px;}
.split p{color:var(--muted);margin-top:14px;}
.step-list{margin-top:22px;display:grid;gap:12px;}
.step-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#D6DEE9;}
.step-no{
  flex:0 0 26px;height:26px;border-radius:8px;background:rgba(0,230,168,.12);
  border:1px solid rgba(0,230,168,.32);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--light-bg);color:#0D131A;padding:64px 0;}
.stats-band .eyebrow{color:#0E9F79;}
.stats-band .eyebrow::before{background:#0E9F79;}
.stats-band h2{color:#0D131A;}
.stats-band .section-sub{color:#48566B;}
.stats-grid{display:grid;gap:22px;margin-top:36px;}
@media(min-width:640px){.stats-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat-item{
  background:var(--light-surface);border:1px solid var(--light-border);border-radius:var(--radius);
  padding:24px;transition:.22s;
}
.stat-item:hover{transform:translateY(-3px);border-color:#00C08F;box-shadow:0 16px 40px rgba(13,19,26,.12);}
.stat-value{font-size:42px;font-weight:900;letter-spacing:-0.03em;color:#0E9F79;}
.stat-value em{font-size:20px;font-style:normal;margin-left:4px;color:#5A6B84;}
.stat-item h3{font-size:16px;margin-top:10px;color:#0D131A;}
.stat-item p{font-size:14px;color:#5A6B84;margin-top:8px;}
.stat-bar{height:6px;border-radius:999px;background:#E3E9F0;margin-top:16px;overflow:hidden;}
.stat-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#00C08F,#7A5CFF);}

/* ---------- 证言墙 ---------- */
.voice-scroll{display:flex;gap:18px;overflow-x:auto;padding:36px 4px 12px;scroll-snap-type:x mandatory;}
.voice-scroll::-webkit-scrollbar{height:8px;}
.voice-scroll::-webkit-scrollbar-track{background:var(--surface);border-radius:999px;}
.voice-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px;}
.voice-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);padding:24px;
}
@media(min-width:768px){.voice-card{flex:0 0 340px;}.voice-card.tall{padding-bottom:40px;}}
.voice-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-weight:800;
  background:linear-gradient(135deg,rgba(0,230,168,.24),rgba(122,92,255,.24));
  border:1px solid var(--border);color:var(--text);font-size:15px;
}
.voice-name{font-weight:700;font-size:15px;}
.voice-role{color:var(--muted);font-size:13px;}
.voice-card blockquote{margin:16px 0 0;font-size:15px;color:#D6DEE9;line-height:1.85;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;gap:22px;margin-top:38px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card .card-title{font-size:18px;margin-top:12px;line-height:1.5;}
.news-card .card-title a:hover{color:var(--primary);}
.news-card .card-text{
  color:var(--muted);font-size:14px;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--border);
  color:var(--muted);font-size:13px;
}
.empty-state{
  margin-top:34px;border:1px dashed var(--border);border-radius:var(--radius);
  padding:44px 20px;text-align:center;color:var(--muted);background:var(--surface);
}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:34px;border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:56px;padding:16px 4px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 28px;height:28px;border-radius:9px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  font-size:16px;font-weight:700;transition:transform .22s ease,border-color .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--primary);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{color:var(--muted);font-size:15px;padding:0 4px 22px;max-width:880px;line-height:1.9;}

/* ---------- 全宽 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background-image:linear-gradient(105deg,rgba(9,13,18,.97),rgba(9,13,18,.82)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:grid;gap:28px;padding:60px 0;}
@media(min-width:1024px){.cta-inner{grid-template-columns:7fr 5fr;align-items:center;padding:72px 0;}}
.cta-inner h2{font-size:28px;}
@media(min-width:768px){.cta-inner h2{font-size:34px;}}
.cta-inner p{color:var(--muted);margin-top:14px;max-width:560px;}
.cta-panel{
  background:rgba(18,24,32,.92);border:1px solid var(--border);border-radius:18px;
  padding:24px;box-shadow:var(--shadow);
}
.cta-panel .countdown{font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A0E13;border-top:1px solid var(--border);padding:56px 0 26px;}
.footer-grid{display:grid;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-text{color:var(--muted);font-size:14px;max-width:340px;}
.footer-title{font-size:14px;font-weight:800;letter-spacing:.04em;color:var(--text);margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:var(--muted);font-size:14px;transition:.2s;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:#7C8899;font-size:13px;
}

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

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:56px 0;}
}
@media(max-width:639px){
  .nav-actions .btn-sm{display:none;}
  .hero-inner{padding:48px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:26px;}
  .stat-value{font-size:36px;}
  .cta-inner h2{font-size:25px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .promo-inner{min-height:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0F14;
  --surface:#121820;
  --surface-2:#1A2230;
  --text:#F8FAFC;
  --muted:#A8B3C2;
  --primary:#00E6A8;
  --primary-2:#7A5CFF;
  --accent:#FF6B2C;
  --border:#243040;
  --radius:16px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-lg:0 22px 60px rgba(0,0,0,.5);
  --light-bg:#F5F7FA;
  --light-surface:#FFFFFF;
  --light-border:#DDE3EA;
  --light-text:#0F1722;
  --light-muted:#5A6675;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.02em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:linear-gradient(90deg,#0B0F14 0%,#141C26 50%,#0B0F14 100%);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--muted);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:34px;padding:6px 0;flex-wrap:wrap;
}
.topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(0,230,168,.14);display:inline-block;
}
.topbar-tag{
  border:1px solid var(--border);border-radius:999px;padding:1px 10px;
  font-size:12px;color:var(--text);background:rgba(255,255,255,.03);
}
.topbar-count{color:var(--text);font-variant-numeric:tabular-nums;}
.topbar-count strong{color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;}
.topbar-right a{color:var(--muted);transition:color .2s var(--ease);}
.topbar-right a:hover{color:var(--primary);}

/* ---------- 品牌活动导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(0,230,168,.28);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04140F;font-weight:800;font-size:17px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(0,230,168,.25);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:15px;color:var(--muted);font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(0,230,168,.08);}
.nav-link.is-active{color:var(--primary);background:rgba(0,230,168,.1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--border);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;transition:.2s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;border-top:1px solid var(--border);
  background:linear-gradient(180deg,#0E141B,#0B0F14);padding:14px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;color:var(--muted);
  border-bottom:1px solid rgba(36,48,64,.7);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--primary);padding-left:8px;}
.mobile-drawer .btn{margin-top:16px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#00B489,#6C4CF1);
  color:#FFFFFF;box-shadow:0 10px 26px rgba(0,180,137,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,180,137,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{background:rgba(0,230,168,.1);border-color:var(--primary);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:#2A0E02;box-shadow:0 10px 26px rgba(255,107,44,.26);}
.btn-accent:hover{transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;
  border:1px solid var(--border);color:var(--muted);background:rgba(255,255,255,.03);
}
.badge-primary{color:var(--primary);border-color:rgba(0,230,168,.35);background:rgba(0,230,168,.1);}
.badge-violet{color:#B9A9FF;border-color:rgba(122,92,255,.4);background:rgba(122,92,255,.14);}
.badge-accent{color:var(--accent);border-color:rgba(255,107,44,.38);background:rgba(255,107,44,.12);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(100deg,rgba(11,15,20,.96) 0%,rgba(11,15,20,.88) 42%,rgba(11,15,20,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(36,48,64,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(36,48,64,.35) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 70% 40%,rgba(0,0,0,.75),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 40%,rgba(0,0,0,.75),transparent 72%);
}
.hero-inner{position:relative;z-index:2;padding:52px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{opacity:.45;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding-bottom:56px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.hero-title{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;line-height:1.18;letter-spacing:-0.03em;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--muted);max-width:620px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}

.down-card{
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.down-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.down-card-title{font-size:17px;font-weight:700;}
.down-meta{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;}
.down-meta-item{
  background:rgba(11,15,20,.55);border:1px solid var(--border);border-radius:12px;padding:12px 14px;
}
.down-meta-item dt{font-size:12.5px;color:var(--muted);margin-bottom:4px;}
.down-meta-item dd{margin:0;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;}
.down-meta-item dd small{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px;}
.qr-slot{
  display:flex;align-items:center;gap:14px;padding:14px;
  border:1px dashed rgba(0,230,168,.4);border-radius:12px;
  background:rgba(0,230,168,.05);margin-bottom:20px;
}
.qr-box{
  width:64px;height:64px;border-radius:10px;flex-shrink:0;
  background:repeating-linear-gradient(45deg,rgba(0,230,168,.32) 0 6px,rgba(122,92,255,.28) 6px 12px);
  border:1px solid rgba(0,230,168,.35);
}
.qr-slot p{font-size:13px;color:var(--muted);line-height:1.65;}
.qr-slot strong{display:block;color:var(--text);font-size:14px;margin-bottom:3px;}

/* ---------- 页内锚点条 ---------- */
.anchor-bar{
  position:relative;z-index:3;
  border-top:1px solid var(--border);
  background:rgba(11,15,20,.72);
}
.anchor-bar ul{display:flex;gap:8px;flex-wrap:wrap;padding:14px 0;}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid var(--border);background:rgba(255,255,255,.02);
  transition:.22s var(--ease);
}
.anchor-bar a:hover{color:var(--primary);border-color:rgba(0,230,168,.5);background:rgba(0,230,168,.09);}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:linear-gradient(180deg,#0B0F14,#0E141B);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;
}
.section-label::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.section-title{font-size:clamp(23px,3vw,34px);font-weight:800;}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- 下载通道 ---------- */
.channel-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.channel-main{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#16202B,#121820);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.channel-main:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.channel-main::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,230,168,.22),transparent 68%);
}
.channel-main h3{font-size:22px;margin-bottom:12px;}
.channel-main p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.channel-tags{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0 22px;}
.channel-side{display:grid;gap:20px;}
.channel-mini{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.channel-mini:hover{border-color:var(--primary-2);transform:translateY(-2px);box-shadow:var(--shadow);}
.channel-mini h3{font-size:17px;margin-bottom:9px;}
.channel-mini p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.channel-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;margin-bottom:12px;
  background:rgba(122,92,255,.16);border:1px solid rgba(122,92,255,.4);
  color:#BCAEFF;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;top:24px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  opacity:.42;
}
.timeline-item{position:relative;padding-top:0;}
.timeline-num{
  position:relative;z-index:2;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#182230,#121820);
  border:1px solid var(--border);
  color:var(--primary);font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:18px;transition:.25s var(--ease);
}
.timeline-item:hover .timeline-num{
  border-color:var(--primary);
  box-shadow:0 0 0 6px rgba(0,230,168,.1);
  transform:translateY(-2px);
}
.timeline-item h3{font-size:16.5px;margin-bottom:8px;}
.timeline-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 机型对照表 ---------- */
.table-shell{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;}
table.device-table{width:100%;border-collapse:collapse;min-width:660px;}
.device-table thead th{
  text-align:left;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--muted);background:rgba(26,34,48,.9);
  padding:16px 22px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.device-table tbody td{
  padding:18px 22px;font-size:14.5px;color:var(--muted);
  border-bottom:1px solid rgba(36,48,64,.7);
}
.device-table tbody tr:last-child td{border-bottom:none;}
.device-table tbody tr{transition:background .2s var(--ease);}
.device-table tbody tr:hover{background:rgba(0,230,168,.05);}
.device-table td strong{color:var(--text);font-weight:700;font-size:15px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:3px 11px;font-size:12.5px;font-weight:600;
}
.pill-ok{color:var(--primary);background:rgba(0,230,168,.12);border:1px solid rgba(0,230,168,.32);}
.pill-mid{color:#E9C46A;background:rgba(233,196,106,.12);border:1px solid rgba(233,196,106,.3);}
.pill-note{color:var(--muted);background:rgba(168,179,194,.1);border:1px solid var(--border);}

/* ---------- 图文交替 ---------- */
.feature-row{display:grid;grid-template-columns:6fr 6fr;gap:52px;align-items:center;}
.feature-row + .feature-row{margin-top:72px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .5s var(--ease);}
.feature-media:hover img{transform:scale(1.03);}
.feature-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;font-size:13px;color:#E6EDF5;
  background:linear-gradient(0deg,rgba(11,15,20,.92),rgba(11,15,20,0));
}
.feature-body h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px;}
.feature-body > p{color:var(--muted);font-size:15.5px;line-height:1.9;}
.check-list{margin-top:22px;display:grid;gap:13px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:#D7DEE8;line-height:1.75;
}
.check-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:5px;border-radius:6px;
  background:linear-gradient(135deg,rgba(0,230,168,.95),rgba(122,92,255,.95));
  box-shadow:0 0 0 3px rgba(0,230,168,.12);
}
.check-list li strong{color:var(--text);}

/* ---------- 成果数据带（浅色区） ---------- */
.metrics{
  background:var(--light-bg);color:var(--light-text);
  padding:70px 0;border-top:1px solid var(--light-border);border-bottom:1px solid var(--light-border);
}
.metrics .section-label{color:#0E8F71;}
.metrics .section-label::before{background:linear-gradient(90deg,#00B489,#6C4CF1);}
.metrics .section-title{color:var(--light-text);}
.metrics .section-desc{color:var(--light-muted);}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px;}
.metric-card{
  background:var(--light-surface);border:1px solid var(--light-border);border-radius:var(--radius);
  padding:26px 24px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,23,34,.12);border-color:#B9D9CE;}
.metric-num{
  font-size:clamp(34px,4.4vw,54px);font-weight:800;line-height:1;
  letter-spacing:-0.03em;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#00A87E,#6C4CF1);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-num small{font-size:16px;font-weight:700;margin-left:4px;letter-spacing:0;}
.metric-card h3{font-size:15.5px;margin:14px 0 8px;color:var(--light-text);}
.metric-card p{font-size:14px;color:var(--light-muted);line-height:1.75;}
.metric-bar{height:6px;border-radius:6px;background:#E3E9EF;margin-top:16px;overflow:hidden;}
.metric-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#00B489,#6C4CF1);}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;min-height:56px;color:var(--text);font-size:16px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:rgba(0,230,168,.06);color:var(--primary);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--border);position:relative;
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity .25s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--primary);background:rgba(0,230,168,.12);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.9;max-width:900px;}

/* ---------- 全宽 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background-image:
    linear-gradient(90deg,rgba(11,15,20,.96) 0%,rgba(11,15,20,.82) 55%,rgba(11,15,20,.6) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-top:1px solid var(--border);
  padding:70px 0;
}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;position:relative;z-index:2;}
.cta-inner h2{font-size:clamp(23px,3.1vw,34px);font-weight:800;}
.cta-inner p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;max-width:560px;}
.cta-actions{display:grid;gap:14px;justify-items:stretch;}
.cta-note{font-size:13px;color:var(--muted);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A0E13;border-top:1px solid var(--border);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-text{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:360px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--primary);padding-left:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7C8798;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .channel-layout{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;gap:30px;}
  .feature-row.reverse .feature-media{order:0;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{display:none;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .section{padding:58px 0;}
  .hero-inner{padding-top:38px;}
  .hero-grid{padding-bottom:42px;}
  .down-meta{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;gap:22px;}
  .timeline-num{width:42px;height:42px;margin-bottom:12px;}
  .metric-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-text{max-width:none;}
  .cta-band{padding:56px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .header-actions .btn{display:none;}
  .hero-title{font-size:28px;}
  .hero-cta .btn{width:100%;}
  .topbar-right{display:none;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
  .channel-main{padding:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#0B0F14;
  --surface:#121820;
  --surface-2:#1A2230;
  --text:#F8FAFC;
  --muted:#A8B3C2;
  --primary:#00E6A8;
  --primary-2:#7A5CFF;
  --accent:#FF6B2C;
  --border:#243040;
  --radius:16px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --light-bg:#F5F7FA;
  --light-surface:#FFFFFF;
  --light-border:#DDE3EA;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;color-scheme:dark;}
body{
  margin:0;
  position:relative;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(circle at 10% 6%, rgba(0,230,168,.08), transparent 42%),
    radial-gradient(circle at 92% 0%, rgba(122,92,255,.10), transparent 40%),
    linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px);
  background-size:auto,auto,52px 52px,52px 52px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;}
h1,h2,h3,h4{letter-spacing:-.02em;}
::selection{background:rgba(0,230,168,.3);color:#fff;}

.topbar,.site-header,main,.site-footer{position:relative;z-index:1;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶部活动条 ============ */
.topbar{background:#070A0E;border-bottom:1px solid var(--border);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;min-height:34px;padding-top:5px;padding-bottom:5px;}
.topbar-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:12px;line-height:1.7;}
.tag::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.tag-primary{color:var(--primary);border-color:rgba(0,230,168,.4);background:rgba(0,230,168,.08);}
.tag-accent{color:var(--accent);border-color:rgba(255,107,44,.4);background:rgba(255,107,44,.08);}
.countdown{display:inline-flex;align-items:center;gap:8px;color:var(--muted);}
.countdown-time{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  letter-spacing:.08em;
  font-weight:600;
}

/* ============ 阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:90;background:linear-gradient(90deg,var(--primary),var(--primary-2));transition:width .1s linear;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#0B0F14;border-bottom:1px solid var(--border);}
.site-header::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(0,230,168,.7),rgba(122,92,255,.6),transparent);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04140F;font-size:17px;font-weight:800;}
.brand-text{font-size:18px;color:var(--text);}
.nav-links{display:none;align-items:center;gap:6px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{position:relative;padding:8px 14px;border-radius:10px;color:var(--muted);font-size:15px;transition:color .2s ease,background-color .2s ease;}
.nav-link:hover{color:var(--text);background:var(--surface-2);}
.nav-link.is-active{color:var(--primary);background:rgba(0,230,168,.08);}
.nav-link.is-active::after{content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;text-align:center;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04140F;box-shadow:0 8px 24px rgba(0,230,168,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,230,168,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{background:rgba(0,230,168,.1);border-color:var(--primary);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
@media (max-width:767px){.btn-sm{min-height:44px;}}

/* ============ 移动端抽屉 ============ */
.nav-toggle{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:var(--surface);cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.mobile-drawer{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;gap:10px;padding:16px;background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:0 26px 44px rgba(0,0,0,.55);max-height:calc(100vh - 68px);overflow-y:auto;}
.mobile-drawer.is-open{display:flex;}
.mobile-link{padding:14px 16px;border-radius:12px;background:var(--surface);border:1px solid var(--border);color:var(--text);font-weight:600;font-size:15px;}
.mobile-link:hover{border-color:var(--primary);color:var(--primary);}
.mobile-drawer .btn{margin-top:6px;}
@media (min-width:1024px){.mobile-drawer{display:none !important;}}

/* ============ 文章页头 ============ */
.article-hero{position:relative;padding:34px 0 30px;border-bottom:1px solid var(--border);background-image:linear-gradient(90deg,rgba(11,15,20,.97) 0%,rgba(11,15,20,.87) 48%,rgba(11,15,20,.68) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.article-hero::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 60%,rgba(11,15,20,.85) 100%);}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#3B4859;}
.breadcrumb .crumb-current{color:#CBD5E1;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{font-size:clamp(26px,4vw,42px);line-height:1.32;font-weight:800;margin:0 0 18px;max-width:22em;letter-spacing:-.02em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-cat{color:var(--primary);border:1px solid rgba(0,230,168,.35);background:rgba(0,230,168,.08);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;}
.meta-item i{font-size:12px;opacity:.8;}

/* ============ 文章布局 ============ */
.article-section{padding:40px 0 60px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 336px;gap:38px;align-items:start;}}

.article-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.article-cover{position:relative;background:var(--surface-2);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover::after{content:'';position:absolute;inset:0;box-shadow:inset 0 -60px 60px -40px rgba(0,0,0,.7);}

.article-body{padding:26px 20px 36px;color:#DCE5F0;font-size:16.5px;line-height:1.9;}
@media (min-width:768px){.article-body{padding:38px 44px 48px;font-size:17px;}}
.article-body p{margin:0 0 1.25em;}
.article-body h2{font-size:clamp(21px,3vw,27px);line-height:1.45;font-weight:800;color:var(--text);margin:1.9em 0 .85em;padding-left:14px;border-left:4px solid var(--primary);}
.article-body h3{font-size:clamp(18px,2.2vw,21px);font-weight:700;color:var(--text);margin:1.6em 0 .7em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:1.4em 0 .6em;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(0,230,168,.4);transition:color .2s ease,border-color .2s ease;}
.article-body a:hover{color:#8BFFF0;border-color:#8BFFF0;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body li{margin:.45em 0;}
.article-body li::marker{color:var(--primary);}
.article-body img{border-radius:var(--radius);margin:1.6em auto;box-shadow:var(--shadow);height:auto;}
.article-body blockquote{margin:1.7em 0;padding:16px 22px;border-left:4px solid var(--primary);background:rgba(0,230,168,.06);border-radius:0 12px 12px 0;color:var(--muted);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.6em 0;-webkit-overflow-scrolling:touch;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:700;}
.article-body tr:hover td{background:rgba(255,255,255,.02);}
.article-body code{background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.article-body pre{background:#0A0E13;border:1px solid var(--border);border-radius:12px;padding:16px;overflow-x:auto;margin:1.6em 0;}
.article-body pre code{background:none;border:0;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0;}
.article-body strong{color:#fff;}

.article-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:20px;border-top:1px solid var(--border);background:rgba(26,34,48,.45);}
@media (min-width:768px){.article-foot{padding:22px 44px;}}
.article-foot-note{font-size:13px;color:var(--muted);}
.article-foot-actions{display:flex;flex-wrap:wrap;gap:10px;}

.empty-state{padding:26px 0 8px;text-align:center;}
.empty-state h2{font-size:22px;margin:0 0 12px;font-weight:800;color:var(--text);}
.empty-state p{color:var(--muted);margin:0 auto 22px;max-width:34em;}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){.article-side{position:sticky;top:92px;}}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.side-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;margin:0 0 14px;color:var(--text);}
.side-title::before{content:'';width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2));}
.side-text{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 16px;}
.side-download{background:linear-gradient(160deg,rgba(0,230,168,.10),rgba(122,92,255,.10)),var(--surface);border-color:rgba(0,230,168,.32);}
.side-note{display:block;margin-top:12px;font-size:12.5px;color:#7C8798;}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.side-list li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.7;}
.side-list li::before{content:'';position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--primary);}
.side-list a{color:var(--muted);transition:color .2s ease;}
.side-list a:hover{color:var(--primary);}
.status-row{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text);margin-bottom:10px;}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(0,230,168,.16);animation:softPulse 2.4s ease-in-out infinite;}
@keyframes softPulse{0%,100%{box-shadow:0 0 0 4px rgba(0,230,168,.16);}50%{box-shadow:0 0 0 9px rgba(0,230,168,0);}}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--border);color:var(--muted);background:var(--surface-2);}
.badge-primary{color:var(--primary);border-color:rgba(0,230,168,.35);background:rgba(0,230,168,.1);}
.badge-accent{color:var(--accent);border-color:rgba(255,107,44,.35);background:rgba(255,107,44,.1);}

/* ============ 继续了解 ============ */
.related-section{padding:56px 0;border-top:1px solid var(--border);}
.section-title{font-size:clamp(22px,3vw,30px);font-weight:800;margin:0 0 10px;}
.section-sub{color:var(--muted);font-size:15px;margin:0 0 28px;max-width:52em;}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.related-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.related-card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:0 18px 42px rgba(0,0,0,.5);}
.related-card:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{margin:0;font-size:17px;font-weight:700;line-height:1.5;}
.related-body p{margin:0;font-size:14px;line-height:1.7;color:var(--muted);}
.related-more{margin-top:auto;font-size:13px;font-weight:600;color:var(--primary);}

/* ============ 全宽 CTA ============ */
.cta-section{position:relative;padding:54px 0;border-top:1px solid var(--border);background-image:linear-gradient(90deg,rgba(11,15,20,.96),rgba(11,15,20,.82)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;}
.cta-inner{display:flex;flex-direction:column;gap:24px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:44px;}}
.cta-copy h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin:0 0 10px;}
.cta-copy p{margin:0;color:var(--muted);max-width:46em;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{background:#070A0E;border-top:1px solid var(--border);padding:48px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:12px;}
.footer-text{color:var(--muted);font-size:14px;line-height:1.8;margin:0;max-width:38em;}
.footer-title{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--text);}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--muted);font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:20px;border-top:1px solid var(--border);color:#7C8798;font-size:13px;}

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

/* roulang page: category2 */
:root{
  --bg:#0B0F14;
  --surface:#121820;
  --surface-2:#1A2230;
  --text:#F8FAFC;
  --muted:#A8B3C2;
  --primary:#00E6A8;
  --primary-2:#7A5CFF;
  --accent:#FF6B2C;
  --border:#243040;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-lg:0 20px 60px rgba(0,0,0,.5);
  --light-bg:#F5F7FA;
  --light-surface:#FFFFFF;
  --light-border:#DDE3EA;
  --container:1200px;
  --gap:32px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;letter-spacing:-0.02em;line-height:1.3}
::selection{background:rgba(0,230,168,.3)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:#080B10;
  border-bottom:1px solid var(--border);
  font-size:13px;
}
.topbar-inner{
  display:flex;align-items:center;gap:16px;
  min-height:36px;flex-wrap:wrap;
}
.topbar-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--muted);font-size:12px;letter-spacing:.02em;
}
.tag-pill.is-primary{border-color:rgba(0,230,168,.4);color:var(--primary);background:rgba(0,230,168,.08)}
.tag-pill.is-accent{border-color:rgba(255,107,44,.4);color:var(--accent);background:rgba(255,107,44,.08)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(0,230,168,.18)}
.dot.is-accent{background:var(--accent);box-shadow:0 0 0 3px rgba(255,107,44,.18)}
.topbar-count{
  margin-left:auto;display:flex;align-items:center;gap:10px;
  color:var(--muted);font-size:12.5px;
}
.count-num{
  color:var(--primary);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.topbar-close{
  width:26px;height:26px;border-radius:8px;border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:14px;line-height:1;
  transition:all .2s ease;
}
.topbar-close:hover{color:var(--text);border-color:var(--primary);background:rgba(0,230,168,.08)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,15,20,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(0,230,168,.25),0 10px 30px rgba(0,0,0,.35);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:70px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#06110D;font-weight:800;font-size:18px;
  box-shadow:0 6px 20px rgba(0,230,168,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{
  display:block;font-size:11px;font-weight:500;color:var(--muted);
  letter-spacing:.14em;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);background:rgba(0,230,168,.1)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-status{
  display:none;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:var(--surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;
  position:relative;transition:transform .25s ease,background .25s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

.drawer{
  position:fixed;inset:70px 0 0 0;z-index:55;
  background:rgba(8,11,16,.98);
  border-top:1px solid var(--border);
  padding:24px 20px 40px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-links{display:flex;flex-direction:column;gap:8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);
  font-size:16px;color:var(--text);
}
.drawer-link.is-active{border-color:rgba(0,230,168,.5);background:rgba(0,230,168,.08);color:var(--primary)}
.drawer-link small{color:var(--muted);font-size:12px}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;border-radius:12px;
  padding:0 22px;min-height:46px;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#05130E;box-shadow:0 10px 28px rgba(0,230,168,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(0,230,168,.34);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border-color:var(--border);color:var(--text);background:rgba(255,255,255,.02);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(0,230,168,.1);color:var(--primary)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#FF9A4D);
  color:#1A0C04;box-shadow:0 10px 28px rgba(255,107,44,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,107,44,.32)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(90deg,rgba(11,15,20,.97) 0%,rgba(11,15,20,.86) 48%,rgba(11,15,20,.72) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 85%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2}
.page-head-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;
  padding-top:64px;padding-bottom:64px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);border-radius:2px}
.page-title{font-size:clamp(28px,4vw,46px);line-height:1.22}
.page-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{margin-top:18px;color:var(--muted);font-size:16.5px;line-height:1.85;max-width:52ch}
.page-head-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.head-aside{
  background:linear-gradient(180deg,rgba(18,24,32,.9),rgba(18,24,32,.72));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.head-aside h2{font-size:15px;color:var(--primary);letter-spacing:.08em;margin-bottom:6px}
.head-aside p{font-size:14px;color:var(--muted);line-height:1.8}
.wave{display:block;width:100%;height:34px;margin:14px 0 18px}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text);
  padding-bottom:12px;border-bottom:1px dashed var(--border);
}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-list b{color:var(--primary);font-size:13px;min-width:52px;display:inline-block}

/* ---------- 主体布局 ---------- */
.layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);
  gap:48px;padding-top:64px;padding-bottom:80px;align-items:start;
}
.toc{
  position:sticky;top:100px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);padding:20px;
  box-shadow:var(--shadow);
}
.toc-title{font-size:12.5px;letter-spacing:.16em;color:var(--muted);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);border-left:2px solid transparent;
  transition:all .2s ease;
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.toc-list a.is-active{color:var(--primary);background:rgba(0,230,168,.08);border-left-color:var(--primary)}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--border);
  font-size:12.5px;color:var(--muted);line-height:1.7;
}
.content{display:flex;flex-direction:column;gap:72px;min-width:0}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:70ch;line-height:1.85}
.section-kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.16em;
  color:var(--accent);margin-bottom:12px;
}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-lg)}
.card-body{padding:24px}
.card h3{font-size:18px;line-height:1.45}
.card p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-top:10px}
.thumb{position:relative;overflow:hidden;background:var(--surface-2)}
.thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid var(--border);background:var(--surface-2);color:var(--muted);
}
.badge.is-live{color:var(--primary);border-color:rgba(0,230,168,.45);background:rgba(0,230,168,.1)}
.badge.is-soon{color:var(--accent);border-color:rgba(255,107,44,.45);background:rgba(255,107,44,.1)}
.badge.is-over{color:#8A94A3;border-color:#2B3546;background:#161D27}
.badge.is-purple{color:#B7A6FF;border-color:rgba(122,92,255,.45);background:rgba(122,92,255,.12)}

/* ---------- 速览：大卡 + 数据侧栏 ---------- */
.overview{display:grid;grid-template-columns:1.6fr 1fr;gap:26px}
.feature-card .thumb{aspect-ratio:16/9}
.feature-card .card-body{padding:26px}
.feature-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.feature-foot{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--border);
}
.feature-foot span{font-size:13px;color:var(--muted)}
.stat-stack{display:flex;flex-direction:column;gap:16px}
.stat-card{
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:14px;padding:18px 20px;
}
.stat-card .label{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.stat-card .value{
  font-size:34px;font-weight:800;line-height:1.2;margin-top:6px;
  font-variant-numeric:tabular-nums;
}
.stat-card .value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-card .value.v-primary{color:var(--primary)}
.stat-card .value.v-purple{color:#B7A6FF}
.stat-card .value.v-accent{color:var(--accent)}
.stat-card .hint{font-size:13px;color:var(--muted);margin-top:6px}
.progress{
  height:6px;border-radius:999px;background:#0E141C;margin-top:12px;overflow:hidden;
}
.progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}

/* ---------- 图文长卡 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.split:hover{border-color:var(--primary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.split.reverse .split-media{order:2}
.split-media{position:relative;min-height:280px;background:var(--surface-2)}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0;position:absolute;inset:0}
.split-text{padding:32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.split-text h3{font-size:21px}
.split-text p{color:var(--muted);font-size:15px;line-height:1.9;margin:0}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 步骤清单 ---------- */
.steps{
  display:flex;flex-direction:column;gap:0;
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
}
.step{
  display:grid;grid-template-columns:78px 1fr auto;gap:20px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--border);
  transition:background .25s ease;
}
.step:last-child{border-bottom:0}
.step:hover{background:rgba(0,230,168,.05)}
.step-no{
  font-size:26px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--primary);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px}
.step p{color:var(--muted);font-size:14px;margin-top:6px;line-height:1.75}
.step-side{font-size:12.5px;color:var(--muted);white-space:nowrap}

/* ---------- 活动状态行列表 ---------- */
.status-list{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
}
.status-row{
  display:grid;grid-template-columns:1.5fr 1fr auto auto;gap:18px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--border);
  transition:background .25s ease;
}
.status-row:last-child{border-bottom:0}
.status-row:hover{background:rgba(255,255,255,.03)}
.status-row .name{font-size:15.5px;font-weight:700}
.status-row .name small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:5px}
.status-row .time{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.status-row .link{font-size:13.5px;color:var(--primary);font-weight:600}
.status-row .link:hover{text-decoration:underline}

/* ---------- 数据带（浅色区） ---------- */
.metrics{
  background:var(--light-bg);color:#101828;border-radius:20px;
  padding:44px 40px;border:1px solid var(--light-border);
}
.metrics .section-head h2{color:#0B1220}
.metrics .section-head p{color:#4A5568}
.metrics .section-kicker{color:#C2410C}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.metric{
  background:var(--light-surface);border:1px solid var(--light-border);
  border-radius:14px;padding:22px;
}
.metric .value{
  font-size:42px;font-weight:800;line-height:1.1;color:#0B1220;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.metric .value span{font-size:16px;font-weight:700;color:#0F766E;margin-left:4px}
.metric .label{margin-top:10px;font-size:13.5px;color:#475467;line-height:1.7}

/* ---------- 图文两栏（资讯预览） ---------- */
.news-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.news-main .thumb{aspect-ratio:16/9}
.news-side{display:flex;flex-direction:column;gap:18px}
.mini{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:14px;transition:border-color .25s ease,transform .25s ease;
}
.mini:hover{border-color:var(--primary);transform:translateY(-2px)}
.mini .thumb{aspect-ratio:4/3;border-radius:10px;overflow:hidden}
.mini h4{font-size:14.5px;line-height:1.5;font-weight:700}
.mini span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;
  min-height:56px;transition:color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--primary);background:rgba(0,230,168,.04)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:15px;line-height:1;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(0,230,168,.12);border-color:rgba(0,230,168,.5)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-panel p{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.9;max-width:78ch}

/* ---------- 相关分类 ---------- */
.related{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.rel-card{
  display:flex;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
.rel-card .thumb{width:92px;height:92px;flex:0 0 auto;border-radius:12px;overflow:hidden}
.rel-card h3{font-size:16px}
.rel-card p{color:var(--muted);font-size:13.5px;margin-top:6px;line-height:1.7}
.rel-card .go{font-size:13px;color:var(--primary);font-weight:600;margin-top:10px;display:inline-block}

/* ---------- 全宽 CTA ---------- */
.cta{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--border);
  background-image:
    linear-gradient(90deg,rgba(8,11,16,.96) 0%,rgba(8,11,16,.86) 55%,rgba(8,11,16,.66) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-inner{
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  padding:44px 42px;
}
.cta h2{font-size:clamp(22px,2.8vw,32px)}
.cta p{color:var(--muted);font-size:15.5px;margin-top:14px;max-width:56ch;line-height:1.85}
.cta-side{display:flex;flex-direction:column;gap:14px}
.cta-buttons{display:flex;gap:12px;flex-wrap:wrap}
.cta-count{
  display:flex;align-items:center;gap:12px;
  border:1px solid var(--border);border-radius:14px;background:rgba(18,24,32,.8);
  padding:14px 18px;
}
.cta-count .t{font-size:12.5px;color:var(--muted)}
.cta-count .n{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;border-top:1px solid var(--border);
  background:#080B10;padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.brand-text{font-size:16.5px;font-weight:800}
.footer-text{color:var(--muted);font-size:14px;line-height:1.85;max-width:42ch}
.footer-title{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--muted);font-size:14px;transition:color .2s ease}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#7B8695;font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .header-status{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta .btn{display:none}
  .page-head-grid{grid-template-columns:1fr;gap:32px;padding-top:48px;padding-bottom:48px}
  .layout{grid-template-columns:1fr;gap:36px;padding-top:44px;padding-bottom:60px}
  .toc{position:static}
  .overview{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;padding:34px 28px}
  .content{gap:56px}
}
@media (max-width:768px){
  .split{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
  .split-media{min-height:220px;position:relative}
  .status-row{grid-template-columns:1fr auto;row-gap:10px}
  .status-row .time{grid-column:1 / -1}
  .step{grid-template-columns:56px 1fr;row-gap:8px}
  .step-side{grid-column:2}
  .related{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .page-title{font-size:27px}
  .btn{width:100%}
  .header-cta{gap:8px}
  .metrics{padding:30px 20px}
  .metrics-grid{grid-template-columns:1fr}
  .metric .value{font-size:36px}
  .footer-grid{grid-template-columns:1fr}
  .mini{grid-template-columns:84px 1fr}
  .cta-buttons .btn{width:100%}
  .topbar-count{margin-left:0;width:100%;padding-bottom:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}