/* roulang page: index */
:root{
    --obsidian:#0A0A0F;
    --panel:#15121F;
    --panel-2:#1C1830;
    --volt:#7C3AED;
    --neon:#2DD4BF;
    --coral:#FB7185;
    --ink:#F5F3FF;
    --muted:#A1A1AA;
    --faint:#71717A;
    --border:rgba(255,255,255,.08);
    --radius:22px;
    --shadow:0 20px 50px rgba(0,0,0,.35);
    --shadow-hi:0 24px 60px rgba(124,58,237,.28);
    --shell:1240px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--obsidian);
    color:var(--ink);
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;transition:color .25s ease;}
  a:hover{color:var(--volt);}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:8px;}

  .shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;
    color:var(--neon);font-weight:600;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--volt),var(--neon));border-radius:2px;}
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
  .section-title{font-size:clamp(1.5rem,2.4vw,2rem);}
  .section-sub{color:var(--muted);font-size:.9375rem;margin-top:10px;max-width:640px;}

  /* 顶部活动条 */
  .topbar{
    background:linear-gradient(90deg,rgba(124,58,237,.9),rgba(45,212,191,.55));
    font-size:.8125rem;
    color:#F8FAFF;
  }
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:6px 24px;max-width:var(--shell);margin:0 auto;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:2px 10px;border-radius:999px;
    font-size:.75rem;font-weight:600;letter-spacing:.02em;
    background:rgba(10,10,15,.35);border:1px solid rgba(255,255,255,.24);
  }
  .badge-neon{color:#0A0A0F;background:var(--neon);border-color:transparent;}
  .badge-amber{color:#1A1206;background:#FBBF24;border-color:transparent;}
  .cd{display:inline-flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  .cd span.num{font-family:'SFMono-Regular',Consolas,monospace;font-weight:700;min-width:24px;text-align:center;}

  /* 导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  }
  .site-header.scrolled{
    background:rgba(10,10,15,.86);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--border);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
  .logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.0625rem;letter-spacing:.01em;}
  .logo-mark{
    width:40px;height:40px;border-radius:13px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--volt),var(--neon));
    display:grid;place-items:center;font-size:.8125rem;color:#0A0A0F;font-weight:800;
    box-shadow:0 10px 26px rgba(124,58,237,.4);
  }
  .logo-text{white-space:nowrap;}
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:12px;
    font-size:.9375rem;color:var(--muted);font-weight:500;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    background:linear-gradient(90deg,var(--volt),var(--neon));
    transform:scaleX(0);transform-origin:left;transition:transform .28s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-cta{display:flex;align-items:center;gap:12px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:999px;font-size:.9375rem;font-weight:600;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--volt);color:#fff;
    box-shadow:0 14px 32px rgba(124,58,237,.35);
  }
  .btn-primary:hover{background:#8B4BF0;color:#fff;transform:translateY(-2px);box-shadow:0 20px 42px rgba(124,58,237,.45);}
  .btn-primary:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(124,58,237,.25);}
  .btn-ghost{
    background:transparent;border:1px solid rgba(255,255,255,.22);color:var(--ink);
  }
  .btn-ghost:hover{border-color:var(--volt);color:var(--volt);transform:translateY(-2px);}
  .btn-sm{padding:9px 18px;font-size:.875rem;}
  .btn-block{width:100%;}

  .hamburger{
    display:none;width:44px;height:44px;border-radius:14px;
    border:1px solid var(--border);background:rgba(255,255,255,.04);
    place-items:center;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;}

  .drawer{
    position:fixed;inset:0;z-index:80;pointer-events:none;
  }
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:min(88vw,340px);
    background:var(--panel);border-left:1px solid var(--border);
    padding:26px 22px;display:flex;flex-direction:column;gap:8px;
    transform:translateX(100%);transition:transform .32s ease;
  }
  .drawer.open{pointer-events:auto;}
  .drawer.open .drawer-panel{transform:translateX(0);}
  .drawer-mask{position:absolute;inset:0;background:rgba(0,0,0,.6);opacity:0;transition:opacity .3s ease;}
  .drawer.open .drawer-mask{opacity:1;}
  .drawer-link{padding:14px 12px;border-radius:14px;font-size:1rem;color:var(--muted);border:1px solid transparent;}
  .drawer-link:hover,.drawer-link.active{color:var(--ink);background:rgba(124,58,237,.14);border-color:rgba(124,58,237,.4);}

  /* Hero */
  .hero{
    position:relative;min-height:78vh;display:flex;align-items:center;
    margin-top:-76px;padding:140px 0 90px;overflow:hidden;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,10,15,.92) 0%,rgba(10,10,15,.72) 42%,rgba(10,10,15,.96) 100%),
               linear-gradient(100deg,rgba(124,58,237,.42),rgba(10,10,15,.1) 60%);
  }
  .hero-inner{position:relative;z-index:2;display:grid;gap:34px;max-width:820px;}
  .hero h1{font-size:clamp(2.1rem,5vw,3.6rem);letter-spacing:-.01em;}
  .hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--neon),var(--volt));-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero-sub{color:#DDD8F0;font-size:clamp(1rem,1.4vw,1.125rem);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{
    display:inline-flex;align-items:center;gap:7px;
    padding:7px 14px;border-radius:999px;font-size:.8125rem;
    background:rgba(255,255,255,.06);border:1px solid var(--border);color:#D8D4EA;
  }
  .chip b{color:var(--neon);font-weight:700;}
  .hero-status{
    position:absolute;right:24px;bottom:34px;z-index:3;
    display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  }
  .glass-card{
    background:rgba(21,18,31,.78);border:1px solid var(--border);
    border-radius:18px;padding:16px 20px;backdrop-filter:blur(10px);
    box-shadow:var(--shadow);
  }

  /* 横滑 */
  .rail{
    display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .rail::-webkit-scrollbar{height:6px;}
  .rail::-webkit-scrollbar-thumb{background:rgba(124,58,237,.5);border-radius:99px;}
  .rail::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px;}
  .rail-card{
    flex:0 0 258px;scroll-snap-align:start;
    border-radius:var(--radius);overflow:hidden;background:var(--panel);
    border:1px solid var(--border);box-shadow:var(--shadow);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .rail-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.6);box-shadow:var(--shadow-hi);}
  .rail-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--panel-2);}
  .rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .5s ease;}
  .rail-card:hover .rail-thumb img{transform:scale(1.05);filter:brightness(1.08);}
  .thumb-tag{
    position:absolute;top:12px;left:12px;z-index:2;
    padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:600;
    background:rgba(10,10,15,.72);border:1px solid var(--border);color:var(--neon);
    backdrop-filter:blur(6px);
  }
  .rail-body{padding:16px;}
  .rail-body h3{font-size:1rem;margin-bottom:8px;}
  .rail-meta{display:flex;justify-content:space-between;color:var(--faint);font-size:.8125rem;}

  /* 卡片通用 */
  .card{
    background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .card:hover{transform:translateY(-6px);border-color:rgba(45,212,191,.45);box-shadow:var(--shadow-hi);}
  .card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .card:hover img{transform:scale(1.04);}

  /* 热播推荐 */
  .feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px;}
  .feature-large{
    position:relative;min-height:420px;border-radius:26px;overflow:hidden;
    border:1px solid var(--border);box-shadow:var(--shadow);
  }
  .feature-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .feature-large::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,10,15,.15) 20%,rgba(10,10,15,.94) 100%);
  }
  .feature-content{position:relative;z-index:2;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:420px;gap:12px;}
  .feature-stack{display:grid;gap:22px;}
  .mini-card{display:grid;grid-template-columns:132px 1fr;gap:16px;padding:14px;align-items:center;}
  .mini-thumb{aspect-ratio:4/3;border-radius:16px;overflow:hidden;background:var(--panel-2);}
  .meta-row{display:flex;flex-wrap:wrap;gap:10px;color:var(--faint);font-size:.8125rem;}
  .tag{
    display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
    font-size:.75rem;font-weight:600;letter-spacing:.02em;
    background:rgba(124,58,237,.16);color:#C4B5FD;border:1px solid rgba(124,58,237,.35);
  }
  .tag-neon{background:rgba(45,212,191,.14);color:#5EEAD4;border-color:rgba(45,212,191,.35);}
  .tag-coral{background:rgba(251,113,133,.14);color:#FDA4AF;border-color:rgba(251,113,133,.35);}

  /* 最新动态 */
  .news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;}
  .news-feature{display:flex;flex-direction:column;gap:0;}
  .news-feature .news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel-2);}
  .news-body{padding:24px;}
  .news-list{display:grid;gap:14px;}
  .news-item{
    display:grid;grid-template-columns:104px 1fr;gap:16px;
    padding:14px;border-radius:18px;background:rgba(255,255,255,.03);
    border:1px solid var(--border);transition:border-color .28s ease,background .28s ease,transform .28s ease;
  }
  .news-item:hover{border-color:rgba(124,58,237,.55);background:rgba(124,58,237,.08);transform:translateX(4px);}
  .news-item .thumb{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--panel-2);}
  .news-item h3{font-size:1rem;margin-bottom:6px;}
  .news-item p{color:var(--muted);font-size:.875rem;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .empty-state{
    padding:34px;border-radius:20px;border:1px dashed rgba(255,255,255,.18);
    text-align:center;color:var(--muted);background:rgba(255,255,255,.02);
  }

  /* 片单分区 */
  .block-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;}
  .block-title h3{font-size:1.25rem;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .media-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;}
  .media-row .media-img{aspect-ratio:16/10;border-radius:24px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
  .step-list{display:grid;gap:14px;}
  .step-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--border);transition:border-color .28s ease;}
  .step-item:hover{border-color:rgba(45,212,191,.45);}
  .step-no{
    width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
    font-weight:800;color:#0A0A0F;background:linear-gradient(135deg,var(--neon),var(--volt));
  }
  .step-item h4{font-size:1rem;margin-bottom:4px;}
  .step-item p{color:var(--muted);font-size:.875rem;}

  /* 数据与反馈 */
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .stat-card{padding:26px;border-radius:22px;background:var(--panel);border:1px solid var(--border);}
  .stat-num{font-size:2rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(100deg,var(--neon),var(--volt));-webkit-background-clip:text;background-clip:text;color:transparent;}
  .stat-label{color:var(--muted);font-size:.875rem;margin-top:6px;}
  .bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:12px;}
  .bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--volt),var(--neon));}
  .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .quote{padding:24px;border-radius:22px;background:linear-gradient(160deg,rgba(124,58,237,.14),rgba(255,255,255,.02));border:1px solid var(--border);}
  .quote p{color:#DAD6EC;font-size:.9375rem;}
  .quote footer{margin-top:14px;color:var(--faint);font-size:.8125rem;}

  /* FAQ */
  .faq-wrap{max-width:900px;}
  .faq-item{border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.025);margin-bottom:12px;overflow:hidden;transition:border-color .28s ease,background .28s ease;}
  .faq-item.open{border-color:rgba(124,58,237,.55);background:rgba(124,58,237,.08);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:1rem;font-weight:600;text-align:left;
  }
  .faq-icon{
    width:26px;height:26px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;
    border:1px solid var(--border);color:var(--neon);font-size:1rem;line-height:1;transition:transform .3s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .faq-a p{padding:0 22px 20px;color:var(--muted);font-size:.9375rem;}

  /* CTA */
  .cta-block{
    position:relative;border-radius:28px;overflow:hidden;
    border:1px solid var(--border);padding:56px 40px;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(10,10,15,.95),rgba(124,58,237,.5));}
  .cta-inner{position:relative;z-index:2;display:grid;gap:22px;max-width:720px;}

  /* 页脚 */
  .site-footer{background:#08080C;border-top:1px solid var(--border);margin-top:40px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px;}
  .footer-title{font-size:.875rem;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;margin-bottom:16px;}
  .footer-link{display:block;color:var(--muted);font-size:.9375rem;padding:6px 0;}
  .footer-link:hover{color:var(--neon);}
  .footer-bottom{border-top:1px solid var(--border);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--faint);font-size:.8125rem;}

  .to-top{
    position:fixed;right:22px;bottom:24px;z-index:70;
    width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
    background:rgba(21,18,31,.9);border:1px solid var(--border);color:var(--ink);
    opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;
    backdrop-filter:blur(8px);
  }
  .to-top.show{opacity:1;pointer-events:auto;}
  .to-top:hover{transform:translateY(-3px);border-color:var(--volt);color:var(--neon);}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease;}
  .reveal.in{opacity:1;transform:none;}

  @media (max-width:1024px){
    .nav-links{display:none;}
    .hamburger{display:grid;}
    .feature-grid{grid-template-columns:1fr;}
    .news-layout{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .quote-grid{grid-template-columns:1fr;}
    .stats{grid-template-columns:1fr 1fr;}
    .media-row{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    .section{padding:64px 0;}
    .shell{padding:0 18px;}
    .hero{min-height:74vh;padding:120px 0 70px;}
    .hero-status{position:static;align-items:flex-start;margin-top:26px;}
    .grid-2{grid-template-columns:1fr;}
    .feature-content{padding:22px;min-height:340px;}
    .feature-large{min-height:340px;}
    .nav-cta .btn{display:none;}
    .footer-grid{grid-template-columns:1fr;padding:44px 0 26px;}
    .stats{grid-template-columns:1fr;}
    .cta-block{padding:40px 24px;}
  }
  @media (max-width:520px){
    .rail-card{flex:0 0 178px;}
    .rail-thumb{aspect-ratio:4/5;}
    .mini-card{grid-template-columns:104px 1fr;}
    .news-item{grid-template-columns:84px 1fr;}
    .topbar-inner{flex-direction:column;align-items:flex-start;gap:4px;padding:8px 18px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: article */
:root{
  --bg:#0A0A0F;
  --bg-soft:#0F0D18;
  --panel:#15121F;
  --panel-2:#1B1730;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F5F3FF;
  --text-2:#C9C5DA;
  --muted:#A1A1AA;
  --dim:#71717A;
  --primary:#7C3AED;
  --primary-2:#A78BFA;
  --primary-deep:#5B21B6;
  --cyan:#2DD4BF;
  --coral:#FB7185;
  --amber:#FBBF24;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 20px 50px rgba(0,0,0,.35);
  --shadow-hover:0 26px 60px rgba(0,0,0,.5),0 0 0 1px rgba(124,58,237,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(124,58,237,.22),transparent 70%),
    radial-gradient(620px 380px at 92% 4%,rgba(45,212,191,.14),transparent 72%),
    radial-gradient(760px 520px at 50% 108%,rgba(251,113,133,.10),transparent 76%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(124,58,237,.4);border-radius:12px;}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.reveal{transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.in{opacity:1;transform:none;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,10,15,.72);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,10,15,.94);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#7C3AED 0%,#2DD4BF 120%);
  color:#fff;font-weight:900;font-size:.86rem;letter-spacing:.5px;
  box-shadow:0 8px 22px rgba(124,58,237,.45);
}
.logo-text{font-size:1.02rem;font-weight:800;letter-spacing:.2px;color:var(--text);white-space:nowrap;}
.logo:hover .logo-text{color:var(--primary-2);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  font-size:.94rem;
  color:var(--muted);
  font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;background:rgba(124,58,237,.18);}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#7C3AED 0%,#6D28D9 100%);
  color:#fff;
  box-shadow:0 12px 30px rgba(124,58,237,.38);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 38px rgba(124,58,237,.5);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-2);transform:translateY(-2px);}
.btn-cyan{
  background:linear-gradient(135deg,#2DD4BF 0%,#0EA5A0 100%);
  color:#04211F;
  box-shadow:0 12px 30px rgba(45,212,191,.32);
}
.btn-cyan:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-sm{padding:9px 18px;font-size:.9rem;}
.btn-lg{padding:15px 30px;font-size:1rem;}
.btn-block{width:100%;padding:14px 22px;}

.hamburger{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-strong);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s var(--ease),opacity .25s var(--ease);}
.hamburger:hover{border-color:var(--primary);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;z-index:110;
  background:rgba(5,5,10,.72);
  backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(86vw,340px);
  background:#0D0B14;
  border-left:1px solid var(--line);
  padding:24px 20px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-title{font-size:.82rem;color:var(--dim);letter-spacing:2px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--muted);}
.drawer-close:hover{border-color:var(--coral);color:var(--coral);}
.drawer-link{
  display:block;padding:14px 16px;border-radius:14px;
  font-size:1.02rem;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.active{
  background:rgba(124,58,237,.16);
  border-color:rgba(124,58,237,.4);
  color:#fff;
}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}

/* ============ Article hero ============ */
.article-hero{
  position:relative;
  padding:34px 0 66px;
  background:
    linear-gradient(180deg,rgba(10,10,15,.7) 0%,rgba(10,10,15,.9) 55%,var(--bg) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.85rem;color:var(--dim);margin-bottom:26px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary-2);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:.78rem;
  letter-spacing:.4px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
}
.tag-primary{background:rgba(124,58,237,.2);border-color:rgba(124,58,237,.5);color:#DCD2FF;}
.tag-live{background:rgba(45,212,191,.14);border-color:rgba(45,212,191,.42);color:#8DF3E5;}
.tag-live .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(45,212,191,.18);}
.hero-title{
  font-size:clamp(1.9rem,3.6vw,3.1rem);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:920px;
  margin-bottom:20px;
  background:linear-gradient(180deg,#FFFFFF 0%,#CFC7F5 130%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:720px;color:var(--text-2);font-size:1.02rem;line-height:1.8;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:14px;
  background:rgba(21,18,31,.82);
  border:1px solid var(--line);
  font-size:.85rem;color:var(--text-2);
}
.meta-chip strong{color:#fff;font-weight:600;}

/* ============ Reader ============ */
.article-main{padding:54px 0 0;}
.reader{max-width:820px;margin:0 auto;}
.reader-panel{
  background:linear-gradient(180deg,var(--panel) 0%,#12101B 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:42px 44px;
  box-shadow:var(--shadow);
}
.reader-lead{
  font-size:1.02rem;color:var(--text-2);
  border-left:3px solid var(--primary);
  padding:2px 0 2px 16px;
  margin-bottom:30px;
}
.article-body{font-size:1.0625rem;line-height:1.88;color:#E6E2F4;}
.article-body p{margin:0 0 1.35em;}
.article-body h2{
  font-size:1.5rem;font-weight:800;color:#fff;
  line-height:1.45;margin:2.2em 0 .85em;
  padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:1.18rem;font-weight:700;color:#fff;margin:1.8em 0 .7em;}
.article-body h4{font-size:1.04rem;font-weight:700;color:#EFEBFF;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.4em 1.25em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.62em;}
.article-body a{color:var(--primary-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--cyan);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  background:rgba(45,212,191,.07);
  border-left:3px solid var(--cyan);
  border-radius:0 14px 14px 0;
  color:#D6D3E6;
}
.article-body img{border-radius:16px;margin:1.7em 0;border:1px solid var(--line);}
.article-body figure{margin:1.7em 0;}
.article-body figcaption{font-size:.85rem;color:var(--dim);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:.94rem;border-radius:14px;overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(124,58,237,.16);color:#fff;font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.article-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:.9em;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

.empty-state{text-align:center;padding:26px 10px 10px;}
.empty-icon{
  width:74px;height:74px;margin:0 auto 22px;border-radius:22px;
  display:grid;place-items:center;
  background:rgba(124,58,237,.14);
  border:1px solid rgba(124,58,237,.4);
  color:var(--primary-2);font-size:1.6rem;font-weight:800;
}
.empty-state h2{font-size:1.35rem;font-weight:700;color:#fff;margin-bottom:12px;}
.empty-state p{color:var(--muted);max-width:460px;margin:0 auto 26px;}

.article-foot{
  margin-top:34px;
  padding:24px 28px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;}
.foot-tag{font-size:.78rem;color:var(--text-2);padding:6px 12px;border-radius:999px;background:rgba(124,58,237,.14);border:1px solid rgba(124,58,237,.3);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ Section heading ============ */
.section{padding:72px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-eyebrow{font-size:.76rem;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;margin-bottom:10px;}
.section-title{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;color:#fff;letter-spacing:-.01em;}
.section-desc{color:var(--muted);font-size:.94rem;max-width:560px;margin-top:10px;}

/* ============ Cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--panel) 0%,#110F1A 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.5);box-shadow:var(--shadow-hover);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0E0C16;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.card:hover .card-media img{transform:scale(1.05);}
.card-badge{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;
  font-size:.74rem;letter-spacing:.4px;
  background:rgba(10,10,15,.72);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:1.06rem;font-weight:700;color:#fff;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title{color:var(--primary-2);}
.card-text{font-size:.9rem;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--dim);padding-top:12px;border-top:1px solid var(--line);}
.card-link{color:var(--primary-2);font-weight:600;}
.card:hover .card-link{color:var(--cyan);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(21,18,31,.72);
  overflow:hidden;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item:hover{border-color:rgba(124,58,237,.4);}
.faq-item.open{border-color:rgba(124,58,237,.55);background:rgba(27,23,48,.85);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:1rem;font-weight:600;color:var(--text);
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--primary-2);font-size:1rem;line-height:1;
  transition:transform .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(124,58,237,.22);color:#fff;border-color:rgba(124,58,237,.6);}
.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:.94rem;line-height:1.85;}

/* ============ Countdown / CTA ============ */
.countdown{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.cd-label{font-size:.8rem;color:var(--text-2);margin-right:6px;letter-spacing:.6px;}
.cd-num{
  display:inline-grid;place-items:center;
  min-width:44px;padding:8px 10px;
  border-radius:12px;
  background:rgba(10,10,15,.72);
  border:1px solid rgba(124,58,237,.45);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-weight:700;color:#fff;font-size:.98rem;
}
.cd-unit{font-size:.75rem;color:var(--dim);margin-right:4px;}

.cta-band{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  border:1px solid rgba(124,58,237,.32);
  background:linear-gradient(120deg,rgba(10,10,15,.92) 0%,rgba(21,12,44,.86) 55%,rgba(10,10,15,.94) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:52px 48px;
  box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center;}
.cta-title{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:800;color:#fff;line-height:1.3;margin-bottom:16px;}
.cta-text{color:var(--text-2);font-size:.98rem;max-width:580px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-side{
  border-radius:20px;
  border:1px solid var(--line);
  background:rgba(10,10,15,.62);
  padding:24px;
  backdrop-filter:blur(6px);
}
.cta-side-label{font-size:.78rem;color:var(--cyan);letter-spacing:2px;margin-bottom:14px;}
.cta-list{display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--text-2);}
.cta-list li span:first-child{color:var(--cyan);flex-shrink:0;}

/* ============ Footer ============ */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:#08070C;
  padding:58px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-text{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:340px;}
.footer-status{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.status-chip{font-size:.74rem;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);}
.status-chip.live{border-color:rgba(45,212,191,.4);color:#8DF3E5;background:rgba(45,212,191,.1);}
.status-chip.warm{border-color:rgba(251,113,133,.4);color:#FFC2CC;background:rgba(251,113,133,.1);}
.footer-col h4{font-size:.82rem;letter-spacing:2px;color:var(--dim);margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:.9rem;color:var(--muted);}
.footer-col a:hover{color:var(--primary-2);}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:.82rem;color:var(--dim);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:.8rem;
}
.to-top:hover{border-color:var(--primary);color:var(--primary-2);}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;}
}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:820px){
  .reader-panel{padding:32px 24px;border-radius:18px;}
  .article-hero{padding:26px 0 54px;}
  .cta-band{padding:38px 26px;border-radius:20px;}
  .section{padding:58px 0 0;}
}
@media (max-width:640px){
  .shell{padding:0 18px;}
  .logo-text{font-size:.9rem;white-space:normal;max-width:150px;line-height:1.2;}
  .nav{height:66px;}
  .nav-cta .btn{display:none;}
  .hero-title{font-size:clamp(1.6rem,7vw,2.1rem);}
  .hero-sub{font-size:.95rem;}
  .meta-row{gap:10px;}
  .meta-chip{font-size:.8rem;padding:8px 13px;}
  .card-grid{grid-template-columns:1fr;}
  .reader-panel{padding:26px 18px;}
  .article-body{font-size:1rem;}
  .article-body h2{font-size:1.3rem;}
  .article-foot{padding:20px;flex-direction:column;align-items:flex-start;}
  .foot-actions{width:100%;}
  .foot-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{padding:17px 18px;font-size:.95rem;}
  .faq-a-inner{padding:0 18px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
    --bg:#0A0A0F;
    --panel:#15121F;
    --panel-2:#1C1828;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --text:#F5F3FF;
    --muted:#A1A1AA;
    --dim:#71717A;
    --primary:#7C3AED;
    --primary-soft:rgba(124,58,237,.18);
    --cyan:#2DD4BF;
    --coral:#FB7185;
    --amber:#FBBF24;
    --radius:20px;
    --radius-sm:12px;
    --radius-lg:26px;
    --shadow:0 20px 50px rgba(0,0,0,.35);
    --shadow-hover:0 26px 60px rgba(124,58,237,.28);
    --shell:1240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease}
  a:hover{color:#C4B5FD}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
  ::selection{background:rgba(124,58,237,.45);color:#fff}

  .shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 16px}
  @media (min-width:768px){.shell{padding:0 24px}}
  @media (min-width:1280px){.shell{padding:0 32px}}

  .skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
  .skip:focus{left:0}

  /* ---------- 顶部活动条 ---------- */
  .topbar{
    background:linear-gradient(90deg,rgba(124,58,237,.9),rgba(45,212,191,.55));
    color:#0A0A0F;
    font-size:.82rem;
    font-weight:600;
  }
  .topbar .shell{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:40px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
  .topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .topbar-tag{background:rgba(10,10,15,.85);color:#F5F3FF;border-radius:999px;padding:3px 12px;font-size:.74rem;letter-spacing:.04em}
  .topbar-note{opacity:.85}
  .topbar-count{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;letter-spacing:.03em}
  .topbar-count b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(10,10,15,.85);color:#F5F3FF;border-radius:8px;padding:2px 8px;font-weight:700}
  @media (max-width:640px){.topbar-note{display:none}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(10,10,15,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid transparent;
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .site-header.is-scrolled{background:rgba(10,10,15,.94);border-bottom-color:var(--line);box-shadow:0 14px 40px rgba(0,0,0,.5)}
  .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
    font-size:.8rem;font-weight:800;letter-spacing:.06em;color:#0A0A0F;
    background:linear-gradient(135deg,var(--cyan),var(--primary));
    box-shadow:0 10px 26px rgba(124,58,237,.4);
  }
  .logo-text{font-weight:700;font-size:1rem;letter-spacing:.01em;white-space:nowrap}
  @media (max-width:400px){.logo-text{font-size:.86rem}}
  .nav-links{display:none;align-items:center;gap:4px}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-link{position:relative;padding:10px 14px;border-radius:999px;font-size:.94rem;color:var(--muted)}
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .nav-link.active{color:var(--text);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--primary),var(--cyan));
  }
  .nav-cta{display:flex;align-items:center;gap:10px}
  .hamburger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;gap:0;background:rgba(255,255,255,.03)}
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);margin:2px 0}
  .hamburger:hover{border-color:var(--line-strong)}
  @media (min-width:1024px){.hamburger{display:none}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;padding:13px 26px;font-size:.95rem;font-weight:600;
    border:1px solid transparent;white-space:nowrap;
    transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,color .25s ease;
  }
  .btn-primary{background:linear-gradient(135deg,#8B5CF6,#7C3AED);color:#fff;box-shadow:0 14px 34px rgba(124,58,237,.36)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(124,58,237,.5);color:#fff}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
  .btn-ghost:hover{border-color:var(--primary);color:#C4B5FD;transform:translateY(-2px)}
  .btn-sm{padding:9px 18px;font-size:.86rem}

  /* ---------- Hero ---------- */
  .guide-hero{
    position:relative;overflow:hidden;
    padding:56px 0 72px;
    background-image:
      linear-gradient(180deg,rgba(10,10,15,.78) 0%,rgba(10,10,15,.9) 55%,var(--bg) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
  }
  .guide-hero::after{
    content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(45,212,191,.22),transparent 68%);pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;max-width:880px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;font-size:.78rem;letter-spacing:.12em;
    color:var(--cyan);background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.28);
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(45,212,191,.16)}
  .guide-hero h1{
    margin-top:20px;
    font-size:clamp(2rem,4.6vw,3.5rem);
    line-height:1.24;font-weight:800;letter-spacing:-.01em;
  }
  .guide-hero h1 em{font-style:normal;color:var(--cyan)}
  .hero-sub{margin-top:18px;max-width:640px;font-size:1.02rem;color:var(--muted)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-status{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .badge{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 14px;border-radius:999px;font-size:.78rem;
    border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
  }
  .badge b{color:var(--text);font-weight:600}
  .badge.is-cyan{color:var(--cyan);border-color:rgba(45,212,191,.3);background:rgba(45,212,191,.08)}
  .badge.is-amber{color:var(--amber);border-color:rgba(251,191,36,.3);background:rgba(251,191,36,.08)}
  .badge .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}

  /* ---------- 通用区块 ---------- */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:80px 0}}
  .section-head{max-width:720px;margin-bottom:36px}
  .section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.35}
  .section-head p{margin-top:12px;color:var(--muted);font-size:.98rem}
  .kicker{display:block;font-size:.78rem;letter-spacing:.18em;color:var(--primary-2,#A78BFA);margin-bottom:12px;font-weight:600}

  /* ---------- 简介区 ---------- */
  .intro-grid{display:grid;gap:36px;align-items:center}
  @media (min-width:1024px){.intro-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
  .intro-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
  .intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .intro-media figcaption{
    position:absolute;left:16px;bottom:16px;right:16px;
    background:rgba(10,10,15,.72);backdrop-filter:blur(10px);
    border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:.86rem;color:var(--muted);
  }
  .intro-points{display:grid;gap:14px;margin-top:26px}
  .intro-point{display:flex;gap:14px;padding:16px 18px;border-radius:16px;background:var(--panel);border:1px solid var(--line);transition:border-color .3s ease,transform .3s ease}
  .intro-point:hover{border-color:rgba(124,58,237,.45);transform:translateY(-2px)}
  .intro-point .dot{flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;font-size:.72rem;font-weight:700;color:#0A0A0F;background:linear-gradient(135deg,var(--cyan),var(--primary))}
  .intro-point h3{font-size:1rem;font-weight:700}
  .intro-point p{margin-top:4px;font-size:.9rem;color:var(--muted)}

  /* ---------- 筛选标签 ---------- */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
  .chip{
    padding:8px 18px;border-radius:999px;font-size:.86rem;color:var(--muted);
    border:1px solid var(--line);background:rgba(255,255,255,.03);
    transition:all .25s ease;
  }
  .chip:hover{color:var(--text);border-color:var(--line-strong)}
  .chip.is-active{color:#0A0A0F;background:linear-gradient(135deg,var(--cyan),var(--primary));border-color:transparent;font-weight:700}

  /* ---------- 目录 + 步骤 ---------- */
  .guide-layout{display:grid;gap:36px}
  @media (min-width:1024px){.guide-layout{grid-template-columns:246px minmax(0,1fr);gap:48px}}
  .toc{
    border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
    padding:22px 20px;
  }
  @media (min-width:1024px){
    .toc{position:sticky;top:104px;align-self:start}
  }
  .toc h3{font-size:.92rem;font-weight:700;letter-spacing:.04em;color:var(--muted);margin-bottom:14px}
  .toc a{
    display:block;padding:9px 12px;border-radius:10px;font-size:.9rem;color:var(--muted);
    border-left:2px solid transparent;margin-bottom:2px;
  }
  .toc a:hover{color:var(--text);background:rgba(255,255,255,.04);border-left-color:var(--primary)}
  .toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:.8rem;color:var(--dim)}

  .steps{display:grid;gap:18px}
  .step-card{
    display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;
    padding:22px;border-radius:var(--radius);background:var(--panel);
    border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.22);
    transition:border-color .3s ease,transform .25s ease,box-shadow .3s ease;
  }
  .step-card:hover{border-color:rgba(124,58,237,.5);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
  .step-card.is-hidden{display:none}
  .step-num{
    width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.05rem;font-weight:700;
    color:#0A0A0F;background:linear-gradient(135deg,var(--cyan),var(--primary));
    box-shadow:0 10px 24px rgba(124,58,237,.32);
  }
  .step-body h3{font-size:1.08rem;font-weight:700}
  .step-body p{margin-top:8px;font-size:.94rem;color:var(--muted)}
  .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
  .step-tags span{font-size:.74rem;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--dim)}
  .step-note{
    margin-top:14px;padding:12px 16px;border-radius:12px;font-size:.88rem;color:#CCFBF1;
    background:rgba(45,212,191,.08);border-left:3px solid var(--cyan);
  }
  .step-note b{color:var(--cyan)}

  /* ---------- 场景卡片 ---------- */
  .scene-grid{display:grid;gap:20px}
  @media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1180px){.scene-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
  .scene-card{
    position:relative;overflow:hidden;border-radius:var(--radius);
    background:var(--panel);border:1px solid var(--line);
    transition:transform .3s ease,border-color .3s ease;
  }
  .scene-card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.4)}
  .scene-card img{width:100%;aspect-ratio:16/11;object-fit:cover}
  .scene-card-body{padding:18px 20px 22px}
  .scene-card-body h3{font-size:1rem;font-weight:700}
  .scene-card-body p{margin-top:8px;font-size:.88rem;color:var(--muted)}
  .scene-badge{
    position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;font-size:.74rem;font-weight:600;
    color:#0A0A0F;background:rgba(45,212,191,.92);
  }

  /* ---------- 证据 / 反馈 ---------- */
  .proof-grid{display:grid;gap:24px}
  @media (min-width:1024px){.proof-grid{grid-template-columns:.85fr 1.15fr}}
  .stat-panel{
    border-radius:var(--radius);padding:28px;background:linear-gradient(160deg,rgba(124,58,237,.18),rgba(21,18,31,.9));
    border:1px solid var(--line);
  }
  .stat-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
  .stat-row:last-child{border-bottom:0}
  .stat-row span{font-size:.88rem;color:var(--muted)}
  .stat-row b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.15rem;color:var(--text)}
  .meter{height:6px;border-radius:999px;background:rgba(255,255,255,.08);margin-top:10px;overflow:hidden}
  .meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--primary))}
  .quote-list{display:grid;gap:16px}
  .quote{
    padding:20px 22px;border-radius:18px;background:var(--panel);border:1px solid var(--line);
    transition:border-color .3s ease;
  }
  .quote:hover{border-color:rgba(251,113,133,.35)}
  .quote p{font-size:.94rem;color:#E9E4FF}
  .quote footer{margin-top:12px;font-size:.8rem;color:var(--dim)}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;max-width:920px}
  .faq-item{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;transition:border-color .3s ease}
  .faq-item:hover{border-color:var(--line-strong)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;text-align:left;font-size:1rem;font-weight:600;color:var(--text);
  }
  .faq-q .plus{
    flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
    border:1px solid var(--line-strong);color:var(--cyan);font-size:1.05rem;line-height:1;
    transition:transform .3s ease,background-color .3s ease;
  }
  .faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);background:rgba(45,212,191,.14)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .faq-a-inner{padding:0 22px 20px;font-size:.93rem;color:var(--muted);line-height:1.85}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    padding:44px 28px;
    background-image:linear-gradient(120deg,rgba(10,10,15,.86),rgba(124,58,237,.55)),url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;
    border:1px solid var(--line);
  }
  @media (min-width:768px){.cta-band{padding:56px 48px}}
  .cta-band h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;line-height:1.35;max-width:640px}
  .cta-band p{margin-top:14px;max-width:600px;color:rgba(245,243,255,.82);font-size:.96rem}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:72px;background:#08080C;border-top:1px solid var(--line);padding:56px 0 26px}
  .footer-grid{display:grid;gap:34px}
  @media (min-width:760px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
  @media (min-width:1100px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr}}
  .footer-brand p{margin-top:16px;font-size:.88rem;color:var(--muted);max-width:340px}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .footer-tags span{font-size:.74rem;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--dim)}
  .footer-col h3{font-size:.9rem;font-weight:700;margin-bottom:14px;color:var(--text)}
  .footer-col a{display:block;font-size:.88rem;color:var(--muted);padding:5px 0}
  .footer-col a:hover{color:#C4B5FD}
  .footer-bottom{
    margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:.8rem;color:var(--dim);
  }
  .to-top{
    position:fixed;right:20px;bottom:24px;z-index:70;
    width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
    background:rgba(21,18,31,.92);border:1px solid var(--line);color:var(--text);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:all .3s ease;
  }
  .to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
  .to-top:hover{border-color:var(--primary);color:#C4B5FD}

  /* ---------- 抽屉 ---------- */
  .drawer{position:fixed;inset:0;z-index:120;display:none}
  .drawer.is-open{display:block}
  .drawer-mask{position:absolute;inset:0;background:rgba(5,5,8,.72);backdrop-filter:blur(4px)}
  .drawer-panel{
    position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);
    background:var(--panel);border-left:1px solid var(--line);
    padding:22px 20px;display:flex;flex-direction:column;gap:18px;
    animation:slideIn .28s ease;
  }
  @keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:1.1rem;line-height:1}
  .drawer-nav{display:grid;gap:4px;margin-top:6px}
  .drawer-nav a{padding:12px 14px;border-radius:12px;font-size:.95rem;color:var(--muted);border-left:3px solid transparent}
  .drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
  .drawer-nav a.active{color:var(--text);border-left-color:var(--primary);background:rgba(124,58,237,.12)}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
  .reveal.is-in{opacity:1;transform:translateY(0)}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
    .reveal{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category2 */
:root{
    --bg:#0A0A0F;
    --panel:#15121F;
    --panel-2:#1C1830;
    --text:#F5F3FF;
    --muted:#A1A1AA;
    --dim:#71717A;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --primary:#7C3AED;
    --primary-2:#9F67FF;
    --primary-soft:rgba(124,58,237,.25);
    --accent:#2DD4BF;
    --coral:#FB7185;
    --amber:#FBBF24;
    --radius:20px;
    --radius-sm:12px;
    --radius-lg:26px;
    --shadow:0 20px 50px rgba(0,0,0,.35);
    --shadow-glow:0 24px 60px rgba(124,58,237,.28);
    --shell:1240px;
  }
  *,*::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:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.01em;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    background:
      radial-gradient(760px 420px at 12% -6%, rgba(124,58,237,.22), transparent 70%),
      radial-gradient(680px 400px at 88% 4%, rgba(45,212,191,.14), transparent 72%),
      radial-gradient(600px 360px at 60% 100%, rgba(251,113,133,.10), transparent 72%);
    pointer-events:none;
    z-index:0;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;transition:color .22s ease, opacity .22s ease;}
  a:hover{color:var(--primary-2);}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{cursor:pointer;background:none;border:none;}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px;}
  ::selection{background:rgba(124,58,237,.5);color:#fff;}

  .shell{
    width:100%;
    max-width:var(--shell);
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:2;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(10,10,15,.86);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:68px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .logo-mark{
    width:38px;height:38px;
    display:grid;place-items:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--primary) 0%,#4C1D95 60%,var(--accent) 160%);
    font-size:.8rem;
    font-weight:800;
    letter-spacing:.04em;
    color:#fff;
    box-shadow:0 10px 26px rgba(124,58,237,.4);
  }
  .logo-text{
    font-size:1.02rem;
    font-weight:800;
    white-space:nowrap;
    color:var(--text);
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    flex:1 1 auto;
    justify-content:center;
  }
  .nav-link{
    position:relative;
    padding:9px 14px;
    font-size:.94rem;
    color:var(--muted);
    border-radius:999px;
    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(--accent));
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .26s ease;
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
  .nav-link.active{color:var(--text);font-weight:600;}
  .nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:999px;
    font-weight:700;
    font-size:.95rem;
    padding:13px 26px;
    border:1px solid transparent;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
    will-change:transform;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--primary),#6D28D9);
    color:#fff;
    box-shadow:0 14px 34px rgba(124,58,237,.34);
  }
  .btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px rgba(124,58,237,.5);}
  .btn-ghost{
    background:rgba(255,255,255,.03);
    border-color:var(--line-strong);
    color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary-2);transform:translateY(-2px);}
  .btn-sm{padding:10px 18px;font-size:.88rem;}
  .btn-lg{padding:16px 34px;font-size:1rem;}

  .hamburger{
    display:none;
    width:44px;height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}

  .drawer{
    position:fixed;
    inset:0;
    z-index:80;
    background:rgba(6,6,10,.72);
    backdrop-filter:blur(6px);
    opacity:0;
    visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;
  }
  .drawer.open{opacity:1;visibility:visible;}
  .drawer-panel{
    position:absolute;
    top:0;right:0;
    width:min(86vw,340px);
    height:100%;
    padding:26px 22px 32px;
    background:linear-gradient(180deg,#15121F,#0E0B17);
    border-left:1px solid var(--line);
    display:flex;
    flex-direction:column;
    gap:10px;
    transform:translateX(100%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
  }
  .drawer.open .drawer-panel{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .drawer-link{
    padding:14px 16px;
    border-radius:14px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.02);
    color:var(--muted);
    font-weight:600;
  }
  .drawer-link.active{color:var(--text);border-color:var(--primary);background:rgba(124,58,237,.16);}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
    display:grid;place-items:center;font-size:1.1rem;color:var(--muted);
  }

  /* ---------- banner ---------- */
  .banner{
    position:relative;
    margin-top:-68px;
    padding:150px 0 74px;
    overflow:hidden;
    isolation:isolate;
  }
  .banner-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    z-index:-2;
  }
  .banner-mask{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,10,15,.72) 0%,rgba(10,10,15,.86) 46%,rgba(10,10,15,.98) 100%),
               linear-gradient(100deg,rgba(124,58,237,.42) 0%,rgba(10,10,15,.1) 55%,rgba(45,212,191,.22) 100%);
    z-index:-1;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 14px;
    border-radius:999px;
    border:1px solid rgba(45,212,191,.35);
    background:rgba(45,212,191,.10);
    color:var(--accent);
    font-size:.8rem;
    font-weight:700;
    letter-spacing:.06em;
  }
  .banner h1{
    font-size:clamp(2.2rem,5vw,3.9rem);
    margin:22px 0 18px;
    max-width:16em;
  }
  .banner h1 em{
    font-style:normal;
    background:linear-gradient(100deg,var(--primary-2),var(--accent));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .banner-sub{
    max-width:660px;
    color:var(--muted);
    font-size:1.04rem;
  }
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 13px;
    border-radius:999px;
    font-size:.78rem;
    font-weight:700;
    border:1px solid var(--line-strong);
    color:var(--muted);
    background:rgba(255,255,255,.03);
  }
  .badge-neon{color:var(--accent);border-color:rgba(45,212,191,.4);background:rgba(45,212,191,.1);}
  .badge-amber{color:var(--amber);border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.1);}
  .badge-coral{color:var(--coral);border-color:rgba(251,113,133,.4);background:rgba(251,113,133,.1);}

  .countdown-card{
    margin-top:38px;
    max-width:520px;
    padding:22px 24px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    background:linear-gradient(135deg,rgba(28,24,48,.92),rgba(15,12,26,.9));
    box-shadow:var(--shadow);
    backdrop-filter:blur(8px);
  }
  .countdown-label{font-size:.82rem;color:var(--muted);letter-spacing:.08em;}
  .countdown-row{display:flex;align-items:flex-end;gap:12px;margin-top:10px;}
  .cd-unit{display:flex;flex-direction:column;align-items:center;gap:4px;}
  .cd-num{
    font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
    font-size:clamp(1.7rem,4vw,2.3rem);
    font-weight:800;
    color:var(--text);
    font-variant-numeric:tabular-nums;
    line-height:1;
  }
  .cd-num.cd-accent{color:var(--accent);}
  .cd-cap{font-size:.72rem;color:var(--dim);}
  .cd-sep{font-size:1.7rem;font-weight:800;color:var(--dim);line-height:1;padding-bottom:12px;}
  .countdown-note{margin-top:12px;font-size:.82rem;color:var(--dim);}

  /* ---------- sections ---------- */
  .section{padding:76px 0;position:relative;}
  .section-tight{padding:56px 0;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:36px;
    flex-wrap:wrap;
  }
  .section-head h2{font-size:clamp(1.55rem,3vw,2.1rem);}
  .section-head p{color:var(--muted);font-size:.95rem;margin-top:10px;max-width:60ch;}
  .section-link{font-size:.9rem;color:var(--accent);font-weight:700;white-space:nowrap;}
  .divider{height:1px;background:var(--line);border:0;margin:0;}

  /* ---------- activity rail ---------- */
  .rail{
    display:flex;
    gap:20px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding:6px 4px 24px;
    margin:0 -4px;
    scrollbar-width:thin;
  }
  .rail::-webkit-scrollbar{height:6px;}
  .rail::-webkit-scrollbar-thumb{background:rgba(124,58,237,.45);border-radius:99px;}
  .rail::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px;}
  .act-card{
    scroll-snap-align:start;
    flex:0 0 auto;
    width:300px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(28,24,48,.75),rgba(15,12,26,.85));
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  }
  .act-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.6);box-shadow:var(--shadow-glow);}
  .act-thumb{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:linear-gradient(135deg,#241C3E,#131020);
  }
  .act-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease,filter .4s ease;filter:saturate(.95) brightness(.92);}
  .act-card:hover .act-thumb img{transform:scale(1.05);filter:saturate(1.05) brightness(1);}
  .act-tag{
    position:absolute;top:12px;left:12px;
    padding:5px 11px;border-radius:999px;
    font-size:.72rem;font-weight:800;
    background:rgba(10,10,15,.72);
    border:1px solid var(--line-strong);
    color:var(--text);
    backdrop-filter:blur(6px);
  }
  .act-body{padding:18px 18px 20px;}
  .act-body h3{font-size:1.04rem;line-height:1.5;}
  .act-body p{margin-top:10px;font-size:.86rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .act-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:.8rem;color:var(--dim);}
  .act-meta strong{color:var(--accent);font-weight:800;}

  /* ---------- timeline ---------- */
  .timeline{position:relative;padding-left:34px;}
  .timeline::before{
    content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,var(--primary),rgba(45,212,191,.55),transparent);
    border-radius:2px;
  }
  .tl-item{position:relative;padding:0 0 34px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute;left:-34px;top:6px;
    width:20px;height:20px;border-radius:50%;
    background:var(--bg);
    border:2px solid var(--primary);
    display:grid;place-items:center;
    box-shadow:0 0 0 5px rgba(124,58,237,.12);
  }
  .tl-dot::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
  .tl-item.is-done .tl-dot{border-color:var(--accent);box-shadow:0 0 0 5px rgba(45,212,191,.12);}
  .tl-item.is-done .tl-dot::after{background:var(--accent);}
  .tl-card{
    padding:20px 22px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    background:rgba(21,18,31,.72);
  }
  .tl-card h3{font-size:1.06rem;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .tl-card p{margin-top:10px;color:var(--muted);font-size:.9rem;}
  .tl-time{font-size:.78rem;color:var(--dim);letter-spacing:.04em;margin-top:6px;}

  /* ---------- rules ---------- */
  .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .rule-card{
    padding:26px 24px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(28,24,48,.55),rgba(15,12,26,.7));
    transition:border-color .26s ease,transform .26s ease;
  }
  .rule-card:hover{border-color:rgba(45,212,191,.45);transform:translateY(-4px);}
  .rule-index{
    font-family:'SFMono-Regular',Consolas,monospace;
    font-size:.8rem;font-weight:800;color:var(--accent);letter-spacing:.1em;
  }
  .rule-card h3{margin-top:14px;font-size:1.1rem;}
  .rule-card ul{margin-top:14px;display:flex;flex-direction:column;gap:9px;}
  .rule-card li{position:relative;padding-left:18px;font-size:.9rem;color:var(--muted);}
  .rule-card li::before{
    content:"";position:absolute;left:0;top:.62em;
    width:6px;height:6px;border-radius:50%;
    background:var(--primary);
  }

  /* ---------- stats ---------- */
  .stat-strip{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:1px;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--line);
  }
  .stat-cell{padding:28px 22px;background:linear-gradient(180deg,rgba(21,18,31,.94),rgba(12,10,20,.94));}
  .stat-cell strong{
    display:block;
    font-family:'SFMono-Regular',Consolas,monospace;
    font-size:clamp(1.5rem,3vw,2rem);
    font-weight:800;
    color:var(--text);
  }
  .stat-cell span{display:block;margin-top:8px;font-size:.85rem;color:var(--muted);}

  /* ---------- quotes ---------- */
  .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .quote{
    padding:24px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    background:rgba(21,18,31,.6);
    display:flex;flex-direction:column;gap:16px;
  }
  .quote p{font-size:.92rem;color:var(--muted);}
  .quote-foot{display:flex;align-items:center;gap:12px;margin-top:auto;}
  .avatar{
    width:38px;height:38px;border-radius:50%;
    display:grid;place-items:center;
    font-size:.82rem;font-weight:800;color:#fff;
    background:linear-gradient(135deg,var(--primary),var(--accent));
  }
  .quote-foot span{font-size:.84rem;color:var(--dim);}

  /* ---------- faq ---------- */
  .faq-item{
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    background:rgba(21,18,31,.6);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .24s ease,background .24s ease;
  }
  .faq-item[open]{border-color:rgba(124,58,237,.55);background:rgba(28,24,48,.72);}
  .faq-q{
    list-style:none;
    cursor:pointer;
    padding:19px 22px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-weight:700;
    font-size:1rem;
  }
  .faq-q::-webkit-details-marker{display:none;}
  .faq-icon{
    flex:0 0 auto;
    width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line-strong);
    display:grid;place-items:center;
    color:var(--accent);
    font-size:1rem;line-height:1;
    transition:transform .26s ease,border-color .26s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--accent);}
  .faq-a{padding:0 22px 20px;color:var(--muted);font-size:.93rem;}

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    padding:60px 44px;
    border:1px solid var(--line);
    isolation:isolate;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;z-index:-2;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;z-index:-1;
    background:linear-gradient(120deg,rgba(10,10,15,.94) 8%,rgba(76,29,149,.72) 62%,rgba(45,212,191,.34) 100%);
  }
  .cta-band h2{font-size:clamp(1.6rem,3.4vw,2.4rem);max-width:22em;}
  .cta-band p{margin-top:16px;max-width:58ch;color:rgba(245,243,255,.78);font-size:.98rem;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:40px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(10,10,15,.6),rgba(6,6,10,.98));
    padding:64px 0 28px;
    position:relative;
    z-index:2;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr repeat(3,minmax(0,1fr));
    gap:38px;
  }
  .footer-brand p{margin-top:16px;color:var(--muted);font-size:.9rem;max-width:36ch;}
  .footer-title{font-size:.82rem;font-weight:800;letter-spacing:.1em;color:var(--dim);text-transform:uppercase;}
  .footer-list{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
  .footer-list a{font-size:.9rem;color:var(--muted);}
  .footer-list a:hover{color:var(--accent);}
  .footer-bottom{
    margin-top:48px;padding-top:22px;
    border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
    font-size:.84rem;color:var(--dim);
  }
  .footer-bottom a{color:var(--dim);}
  .footer-bottom a:hover{color:var(--accent);}

  .to-top{
    position:fixed;right:22px;bottom:26px;z-index:50;
    width:46px;height:46px;border-radius:50%;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--primary),#5B21B6);
    color:#fff;font-size:1rem;
    box-shadow:0 16px 34px rgba(124,58,237,.42);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
  }
  .to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}

  @media (max-width:1023px){
    .nav-links{display:none;}
    .hamburger{display:flex;}
    .nav{height:64px;}
    .banner{margin-top:-64px;padding:126px 0 60px;}
    .grid-3,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
    .section{padding:60px 0;}
    .cta-band{padding:44px 28px;}
  }
  @media (max-width:767px){
    .shell{padding:0 18px;}
    .logo-text{font-size:.92rem;}
    .banner{padding:112px 0 48px;}
    .banner h1{font-size:clamp(1.9rem,7.2vw,2.4rem);}
    .grid-3,.quote-grid{grid-template-columns:1fr;}
    .act-card{width:250px;}
    .timeline{padding-left:28px;}
    .tl-dot{left:-28px;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-actions .btn,.banner-actions .btn{width:100%;}
    .countdown-row{gap:8px;}
  }
  @media (max-width:520px){
    .stat-strip{grid-template-columns:1fr;}
    .act-card{width:220px;}
    .countdown-card{padding:18px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
    .reveal{opacity:1;transform:none;}
  }