/* roulang page: index */
:root{
      --bg:#050816;--bg2:#07111f;--panel:rgba(10,22,42,.66);--panel2:rgba(15,34,62,.72);
      --text:#eef6ff;--muted:#9fb2cc;--soft:#c7d7ee;--line:rgba(125,211,252,.22);
      --blue:#2563eb;--cyan:#22d3ee;--violet:#7c3aed;--amber:#f59e0b;
      --radius:24px;--radius-lg:32px;--shadow:0 24px 80px rgba(2,8,23,.46);--ease:all .26s ease;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 20% 0%,rgba(37,99,235,.32),transparent 32%),radial-gradient(circle at 78% 16%,rgba(34,211,238,.18),transparent 28%),radial-gradient(circle at 55% 86%,rgba(124,58,237,.24),transparent 34%),linear-gradient(180deg,#050816 0%,#07111f 52%,#040712 100%);z-index:-3}body:after{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:linear-gradient(rgba(34,211,238,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.08) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);z-index:-2}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}input{outline:none}img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 40px));margin-inline:auto}.glass{background:linear-gradient(145deg,rgba(11,25,47,.78),rgba(9,17,33,.56));border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.section{padding:80px 0}.section-tight{padding:52px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid rgba(34,211,238,.28);border-radius:999px;background:rgba(34,211,238,.08);color:#b8f4ff;font-size:13px;letter-spacing:.02em}.dot{width:8px;height:8px;border-radius:999px;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:750;transition:var(--ease);border:1px solid transparent;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;box-shadow:0 14px 38px rgba(34,211,238,.26)}.btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);filter:brightness(1.1);box-shadow:0 18px 55px rgba(34,211,238,.38)}.btn-ghost{background:rgba(11,25,47,.55);border-color:rgba(125,211,252,.26);color:#d9edff}.btn-ghost:hover,.btn-ghost:focus{border-color:rgba(34,211,238,.68);color:#b8f4ff;transform:translateY(-2px)}.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(37,99,235,.14);border:1px solid rgba(125,211,252,.18);color:#cfe9ff;font-size:12px}.card{border-radius:var(--radius);transition:var(--ease);position:relative;overflow:hidden}.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.52);box-shadow:0 28px 90px rgba(34,211,238,.12)}.site-header{position:sticky;top:16px;z-index:50}.nav-shell{height:72px;border-radius:999px;padding:0 12px 0 20px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.03em}.brand-mark{width:36px;height:36px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--violet));display:grid;place-items:center;box-shadow:0 0 24px rgba(34,211,238,.28);border:1px solid rgba(255,255,255,.16)}.nav-links{display:flex;align-items:center;gap:8px}.nav-link{position:relative;padding:9px 14px;border-radius:999px;color:#b9c9df;font-size:14px;transition:var(--ease)}.nav-link:hover{color:#bff6ff;background:rgba(34,211,238,.07)}.nav-link.active{color:white;background:linear-gradient(135deg,rgba(37,99,235,.8),rgba(124,58,237,.72));box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}.age-pill{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;border:1px solid rgba(245,158,11,.35);color:#ffe3ad;background:rgba(245,158,11,.08);font-size:13px}.mobile-toggle{display:none;width:44px;height:44px;border-radius:999px;border:1px solid rgba(125,211,252,.22);background:rgba(11,25,47,.76);color:white}.mobile-menu{display:none;margin-top:10px;border-radius:24px;padding:14px}.mobile-menu.open{display:block}.hero{padding:58px 0 42px}.hero-stage{min-height:590px;border-radius:36px;position:relative;overflow:hidden;background:linear-gradient(120deg,rgba(4,12,27,.8),rgba(12,30,58,.62)),radial-gradient(circle at 76% 35%,rgba(34,211,238,.24),transparent 35%);border:1px solid rgba(125,211,252,.22);box-shadow:var(--shadow)}.hero-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,22,.96) 0%,rgba(5,8,22,.74) 44%,rgba(5,8,22,.26) 72%,rgba(5,8,22,.82) 100%),repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 7px);z-index:0}.hero-cover{position:absolute;right:-4%;top:6%;width:52%;height:88%;border-radius:34px;background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.08)),radial-gradient(circle at 30% 20%,rgba(255,255,255,.2),transparent 18%),linear-gradient(160deg,rgba(124,58,237,.32),rgba(5,8,22,.1));border:1px solid rgba(125,211,252,.18);filter:saturate(1.1);transform:rotate(-2deg);z-index:0}.hero-cover:after{content:"";position:absolute;inset:26px;border-radius:26px;border:1px solid rgba(34,211,238,.22);background:linear-gradient(135deg,transparent,rgba(34,211,238,.08));box-shadow:inset 0 0 50px rgba(34,211,238,.1)}.hero-content{position:relative;z-index:2;padding:68px;max-width:760px}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.055em;margin:18px 0;color:white}.lead{font-size:18px;color:#c9d8ec;max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.metric-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:34px;max-width:660px}.metric{padding:16px;border-radius:20px;background:rgba(8,20,40,.66);border:1px solid rgba(125,211,252,.18)}.metric strong{display:block;font-size:24px;color:#bdf8ff;line-height:1.1}.metric span{font-size:13px;color:var(--muted)}.hero-panel{position:absolute;right:54px;bottom:42px;width:min(380px,42%);z-index:3;padding:20px;border-radius:28px}.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.matrix-item{padding:13px;border-radius:18px;background:rgba(37,99,235,.1);border:1px solid rgba(125,211,252,.16)}.bar{height:7px;border-radius:999px;background:rgba(125,211,252,.12);overflow:hidden;margin-top:10px}.bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}.countdown-grid{display:grid;grid-template-columns:1.35fr repeat(4,.55fr) auto;gap:12px;align-items:stretch}.timebox{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 10px;border-radius:22px;background:rgba(5,16,32,.6);border:1px solid rgba(125,211,252,.18)}.timebox b{font-size:34px;line-height:1;font-variant-numeric:tabular-nums;color:#aef8ff;text-shadow:0 0 18px rgba(34,211,238,.35)}.timebox span{font-size:12px;color:var(--muted);margin-top:6px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.16;letter-spacing:-.04em}.section-head p{color:var(--muted);max-width:580px}.bento{display:grid;grid-template-columns:1.25fr .75fr 1fr;grid-auto-rows:minmax(180px,auto);gap:16px}.bento .wide{grid-column:span 2}.bento .tall{grid-row:span 2}.card-inner{padding:24px}.icon-orb{width:42px;height:42px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.36),rgba(34,211,238,.16));border:1px solid rgba(125,211,252,.22);margin-bottom:18px}.wall{display:grid;grid-template-columns:1.2fr .8fr 1fr;grid-auto-rows:150px;gap:14px}.tile{border-radius:26px;position:relative;overflow:hidden;border:1px solid rgba(125,211,252,.18);background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(124,58,237,.14)),radial-gradient(circle at 70% 25%,rgba(34,211,238,.24),transparent 34%);padding:18px;display:flex;flex-direction:column;justify-content:space-between}.tile.big{grid-row:span 2}.tile.wide{grid-column:span 2}.tile:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(2,8,23,.72));opacity:.76}.tile>*{position:relative}.progress-lane{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.progress-card{padding:26px;border-radius:28px}.steps{display:grid;gap:12px}.step{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:18px;background:rgba(5,16,32,.54);border:1px solid rgba(125,211,252,.14)}.step em{font-style:normal;min-width:34px;height:34px;border-radius:13px;display:grid;place-items:center;background:rgba(34,211,238,.13);color:#bdf8ff;border:1px solid rgba(34,211,238,.24)}.reward-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.reward{padding:24px;border-radius:28px}.reward h3,.supporter h3,.news-panel h3{font-size:21px;margin-bottom:8px}.support-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.supporter{padding:18px;border-radius:22px;background:rgba(11,25,47,.58);border:1px solid rgba(125,211,252,.16)}.supporter small{color:var(--muted)}.news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.news-list{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:16px;border-radius:20px;background:rgba(5,16,32,.58);border:1px solid rgba(125,211,252,.14);transition:var(--ease)}.news-item:hover{border-color:rgba(34,211,238,.5);transform:translateX(4px)}.news-date{font-variant-numeric:tabular-nums;color:#9eefff;font-size:13px}.faq-wrap{display:grid;gap:12px}.faq-item{border-radius:22px;overflow:hidden;border:1px solid rgba(125,211,252,.18);background:rgba(11,25,47,.58)}.faq-q{width:100%;padding:18px 20px;background:transparent;border:0;color:white;text-align:left;display:flex;align-items:center;justify-content:space-between;font-weight:800}.faq-a{display:none;padding:0 20px 20px;color:#b9c9df}.faq-item.open{border-color:rgba(34,211,238,.55);box-shadow:0 0 30px rgba(34,211,238,.08)}.faq-item.open .faq-a{display:block}.cta-band{border-radius:34px;padding:34px;display:grid;grid-template-columns:1fr .86fr;gap:24px;align-items:center;background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.08),rgba(124,58,237,.18));border:1px solid rgba(125,211,252,.24)}.form-card{padding:18px;border-radius:26px;background:rgba(5,16,32,.58);border:1px solid rgba(125,211,252,.18)}.form-row{display:flex;gap:10px}.input{width:100%;border-radius:999px;border:1px solid rgba(125,211,252,.22);background:rgba(2,8,23,.58);color:white;padding:13px 16px}.input:focus{border-color:rgba(34,211,238,.78);box-shadow:0 0 0 4px rgba(34,211,238,.12)}.check{display:flex;gap:10px;align-items:flex-start;margin-top:12px;color:#c8d7ea;font-size:13px}.site-footer{padding:44px 0 36px;border-top:1px solid rgba(125,211,252,.12);background:rgba(2,8,23,.26)}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:24px}.footer-links{display:grid;gap:9px;color:#b9c9df}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid rgba(125,211,252,.12);color:#8fa4bd;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.age-banner{position:fixed;left:20px;right:20px;bottom:18px;z-index:80;display:none}.age-banner.show{display:block}.age-inner{width:min(960px,100%);margin:auto;border-radius:24px;padding:18px;display:flex;gap:18px;align-items:center;justify-content:space-between}.age-inner p{color:#c8d7ea}.fine{font-size:13px;color:#91a8c1}.status-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.float-cta{position:fixed;right:18px;bottom:18px;z-index:40}.float-cta a{box-shadow:0 14px 42px rgba(34,211,238,.32)}
    @media(max-width:1024px){.nav-links,.nav-right{display:none}.mobile-toggle{display:grid;place-items:center}.nav-shell{border-radius:28px}.hero-content{padding:46px}.hero-cover{opacity:.44;width:70%;right:-20%}.hero-panel{position:relative;right:auto;bottom:auto;width:auto;margin:0 28px 28px}.countdown-grid{grid-template-columns:1fr 1fr 1fr;}.countdown-grid .count-info,.countdown-grid .count-action{grid-column:span 3}.bento,.wall,.progress-lane,.news-layout,.cta-band,.footer-grid{grid-template-columns:1fr}.bento .wide,.bento .tall,.tile.wide,.tile.big{grid-column:auto;grid-row:auto}.reward-grid{grid-template-columns:1fr 1fr}.support-wall{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 28px,1200px)}.section{padding:56px 0}.hero{padding-top:34px}.hero-stage{min-height:auto;border-radius:28px}.hero-content{padding:32px 22px}.lead{font-size:16px}.metric-row{grid-template-columns:1fr}.hero-panel{margin:0 16px 18px}.matrix{grid-template-columns:1fr}.countdown-grid{grid-template-columns:repeat(2,1fr)}.countdown-grid .count-info,.countdown-grid .count-action{grid-column:span 2}.section-head{display:block}.section-head p{margin-top:10px}.reward-grid,.support-wall{grid-template-columns:1fr}.news-item{grid-template-columns:1fr}.form-row{flex-direction:column}.age-inner{display:block}.age-inner .btn{margin-top:12px;width:100%}.float-cta{display:none}}
    @media(max-width:520px){.brand span{font-size:14px}.nav-shell{height:auto;min-height:64px;padding:10px 12px}.hero h1{font-size:32px}.hero-actions .btn{width:100%}.timebox b{font-size:26px}.cta-band{padding:22px;border-radius:26px}.card-inner,.progress-card,.reward{padding:20px}}

/* roulang page: category2 */
:root{
      --bg:#050816;
      --bg-2:#07111f;
      --panel:rgba(10,22,43,.68);
      --panel-strong:rgba(13,28,56,.88);
      --text:#eef6ff;
      --muted:#9fb3d5;
      --soft:#c7d7f6;
      --primary:#2563eb;
      --cyan:#22d3ee;
      --violet:#7c3aed;
      --warning:#f59e0b;
      --border:rgba(125,194,255,.20);
      --border-strong:rgba(34,211,238,.48);
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 24px 80px rgba(0,0,0,.46);
      --glow:0 0 34px rgba(34,211,238,.22),0 0 68px rgba(37,99,235,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at 18% 8%,rgba(37,99,235,.32),transparent 34%),
        radial-gradient(circle at 78% 16%,rgba(124,58,237,.24),transparent 32%),
        radial-gradient(circle at 52% 66%,rgba(34,211,238,.13),transparent 34%),
        linear-gradient(180deg,#050816 0%,#07111f 48%,#050816 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(34,211,238,.07) 1px,transparent 1px),
        linear-gradient(90deg,rgba(34,211,238,.07) 1px,transparent 1px),
        radial-gradient(circle at 30% 20%,rgba(255,255,255,.08) 0 1px,transparent 1px);
      background-size:64px 64px,64px 64px,18px 18px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 82%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 36px));margin:0 auto}
    .glass{
      background:linear-gradient(145deg,rgba(12,25,50,.76),rgba(8,18,35,.46));
      border:1px solid var(--border);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .site-header{position:sticky;top:14px;z-index:50;padding:14px 0 0}
    .nav-shell{height:72px;border-radius:999px;display:flex;align-items:center;justify-content:space-between;padding:0 16px 0 20px;gap:18px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.04em;color:#fff;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--primary) 55%,var(--violet));box-shadow:0 0 24px rgba(34,211,238,.46);font-size:18px;color:white}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-link{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:999px;color:var(--muted);font-weight:800;font-size:14px;transition:.25s ease}
    .nav-link:hover{color:#e8fbff;background:rgba(34,211,238,.08)}
    .nav-link:after{content:"";position:absolute;left:18px;right:18px;bottom:5px;height:2px;border-radius:99px;background:var(--cyan);opacity:0;box-shadow:0 0 12px var(--cyan);transition:.25s ease}
    .nav-link:hover:after{opacity:.75}
    .nav-link.active{color:#fff;background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(124,58,237,.76));box-shadow:0 0 28px rgba(37,99,235,.35)}
    .nav-link.active:after{display:none}
    .age-pill,.status-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(245,158,11,.09);border:1px solid rgba(245,158,11,.28);color:#ffdca3;font-size:13px;font-weight:850;white-space:nowrap}
    .dot{width:8px;height:8px;border-radius:999px;background:var(--cyan);box-shadow:0 0 14px var(--cyan);display:inline-block;flex:none}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border-radius:999px;font-weight:900;letter-spacing:-.01em;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease;color:#fff}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 14px 34px rgba(37,99,235,.34),0 0 24px rgba(34,211,238,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 48px rgba(37,99,235,.44),0 0 38px rgba(34,211,238,.32)}
    .btn-secondary{background:rgba(9,22,45,.58);border:1px solid var(--border);color:#dcecff}
    .btn-secondary:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--glow)}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:16px;background:rgba(34,211,238,.1);color:#fff;border:1px solid var(--border)}
    .mobile-menu{display:none;margin-top:10px;border-radius:24px;padding:16px}
    .section{padding:78px 0}
    .section-sm{padding:52px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border-radius:999px;border:1px solid rgba(34,211,238,.24);background:rgba(34,211,238,.08);color:#aef5ff;font-size:13px;font-weight:900}
    .title-xl{font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.06em;font-weight:1000}
    .title-lg{font-size:clamp(26px,3.2vw,38px);line-height:1.16;letter-spacing:-.04em;font-weight:1000}
    .muted{color:var(--muted)}
    .soft{color:var(--soft)}
    .breadcrumb{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:14px}
    .breadcrumb a:hover{color:var(--cyan)}
    .hero-panel{position:relative;margin-top:40px;border-radius:var(--radius-lg);padding:34px;overflow:hidden}
    .hero-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(34,211,238,.22),transparent 30%),linear-gradient(135deg,rgba(37,99,235,.12),transparent 45%);pointer-events:none}
    .hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:stretch}
    .summary-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .summary-item{padding:16px;border-radius:20px;background:rgba(255,255,255,.045);border:1px solid var(--border)}
    .summary-item strong{display:block;font-size:22px;color:#fff;line-height:1.1}
    .summary-item span{font-size:13px;color:var(--muted)}
    .topic-rail{display:flex;gap:14px;overflow-x:auto;padding:6px 2px 14px;scrollbar-width:thin;scrollbar-color:rgba(34,211,238,.4) transparent}
    .topic-card{min-width:260px;padding:18px;border-radius:22px;background:linear-gradient(145deg,rgba(10,23,50,.74),rgba(7,16,34,.54));border:1px solid var(--border);transition:.25s ease}
    .topic-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
    .topic-card .num{font-size:12px;color:#8eeeff;font-weight:1000;letter-spacing:.1em}
    .panel-card{border-radius:var(--radius);padding:24px;background:rgba(9,20,42,.66);border:1px solid var(--border);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);transition:.25s ease}
    .panel-card:hover{border-color:rgba(34,211,238,.42);transform:translateY(-3px);box-shadow:var(--glow)}
    .compare-wrap{overflow:hidden;border-radius:var(--radius);border:1px solid var(--border);background:rgba(8,18,38,.72);box-shadow:var(--shadow)}
    .compare-scroll{overflow-x:auto}
    .compare-table{width:100%;min-width:760px;border-collapse:collapse}
    .compare-table th,.compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid rgba(125,194,255,.14);vertical-align:middle}
    .compare-table th{color:#dffaff;background:rgba(34,211,238,.07);font-size:13px;letter-spacing:.06em;white-space:nowrap}
    .compare-table td{color:var(--soft);font-size:15px}
    .compare-table tr:last-child td{border-bottom:0}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(37,99,235,.13);border:1px solid rgba(37,99,235,.30);color:#bdd6ff;font-size:12px;font-weight:850;white-space:nowrap}
    .tag-cyan{background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.3);color:#aef7ff}
    .tag-warn{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.28);color:#ffdba0}
    .rule-list{display:grid;gap:14px}
    .rule-row{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:18px;border-radius:24px;background:linear-gradient(145deg,rgba(12,27,55,.72),rgba(7,17,35,.50));border:1px solid var(--border);transition:.25s ease}
    .rule-row:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--glow)}
    .zone-badge{height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.14));border:1px solid rgba(34,211,238,.34);font-weight:1000;color:#eaffff}
    .meter{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:10px}
    .meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));box-shadow:0 0 14px rgba(34,211,238,.45)}
    .side-stack{display:grid;gap:16px}
    .timeline{position:relative;display:grid;gap:14px}
    .timeline:before{content:"";position:absolute;left:15px;top:14px;bottom:14px;width:1px;background:linear-gradient(var(--cyan),rgba(34,211,238,0))}
    .time-item{position:relative;padding-left:42px}
    .time-item:before{content:"";position:absolute;left:8px;top:8px;width:15px;height:15px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
    .faq-item{border:1px solid var(--border);border-radius:22px;background:rgba(8,19,39,.62);overflow:hidden;transition:.25s ease}
    .faq-item.open{border-color:var(--border-strong);box-shadow:0 0 28px rgba(34,211,238,.14)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:transparent;color:#fff;text-align:left;font-weight:950}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-icon{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.24);color:#baf8ff;flex:none;transition:.25s ease}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(34,211,238,.18)}
    .cta-band{position:relative;border-radius:32px;padding:34px;overflow:hidden;background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(34,211,238,.09) 48%,rgba(124,58,237,.18));border:1px solid var(--border-strong);box-shadow:var(--shadow),0 0 48px rgba(37,99,235,.18)}
    .cta-band:after{content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;border-radius:50%;background:rgba(34,211,238,.16);filter:blur(10px)}
    .input-dark{width:100%;min-height:48px;padding:0 16px;border-radius:999px;background:rgba(2,8,23,.58);border:1px solid var(--border);color:#fff;outline:none;transition:.25s ease}
    .input-dark:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.12)}
    .site-footer{padding:58px 0 28px;border-top:1px solid rgba(125,194,255,.14);background:linear-gradient(180deg,rgba(5,8,22,.35),rgba(2,6,18,.86))}
    .footer-grid{display:grid;grid-template-columns:1.35fr .7fr .95fr;gap:28px;padding-bottom:28px}
    .footer-links{display:grid;gap:10px;color:var(--muted)}
    .footer-links a{transition:.22s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .fine{font-size:14px;color:var(--muted)}
    .copyright{border-top:1px solid rgba(125,194,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7f92b2;font-size:13px}
    .age-notice{position:fixed;right:18px;bottom:18px;z-index:60;max-width:360px;border-radius:24px;padding:18px;display:none}
    .age-notice.show{display:block}
    .focus-ring:focus-visible{outline:3px solid rgba(34,211,238,.55);outline-offset:3px}
    @media (max-width:1024px){
      .nav-links,.nav-right{display:none!important}.mobile-toggle{display:grid;place-items:center}.mobile-menu.show{display:block}.hero-inner{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.rule-row{grid-template-columns:74px 1fr}.rule-row .row-action{grid-column:2}.section{padding:62px 0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 24px,1200px)}.site-header{top:8px}.nav-shell{height:64px;padding:0 10px 0 14px}.brand span:last-child{max-width:210px;overflow:hidden;text-overflow:ellipsis}.hero-panel,.cta-band{padding:22px;border-radius:24px}.summary-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{display:grid}.rule-row{grid-template-columns:1fr;gap:12px}.zone-badge{width:74px}.rule-row .row-action{grid-column:auto}.section{padding:50px 0}.section-sm{padding:38px 0}.topic-card{min-width:230px}.compare-table th,.compare-table td{padding:14px}
    }
    @media (max-width:520px){
      .btn{width:100%}.hero-actions{display:grid!important}.title-xl{font-size:32px}.title-lg{font-size:26px}.age-notice{left:12px;right:12px;max-width:none}.mobile-menu .btn{width:100%}.summary-item strong{font-size:20px}
    }

/* roulang page: category1 */
:root{
      --bg:#050816;
      --bg-2:#07111f;
      --panel:rgba(8,18,35,.70);
      --panel-strong:rgba(10,25,48,.86);
      --line:rgba(125,211,252,.22);
      --line-strong:rgba(34,211,238,.48);
      --text:#eef7ff;
      --muted:#9fb2cc;
      --faint:#6f839f;
      --blue:#2563eb;
      --cyan:#22d3ee;
      --purple:#7c3aed;
      --amber:#f59e0b;
      --green:#34d399;
      --radius:24px;
      --radius-lg:30px;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(34,211,238,.22);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% -8%, rgba(37,99,235,.36), transparent 34%),
        radial-gradient(circle at 82% 8%, rgba(124,58,237,.25), transparent 30%),
        radial-gradient(circle at 52% 42%, rgba(34,211,238,.10), transparent 28%),
        linear-gradient(180deg,#050816 0%,#07111f 48%,#050816 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;inset:0;pointer-events:none;z-index:-2;
      background-image:
        linear-gradient(rgba(34,211,238,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 80%);
    }
    body:after{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.17;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(/%23n)' opacity='.45'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0;background:none;color:inherit}
    input{outline:none}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .glass{
      background:linear-gradient(145deg, rgba(8,20,40,.82), rgba(8,18,35,.55));
      border:1px solid var(--line);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
      backdrop-filter:blur(18px);
    }
    .site-header{position:sticky;top:0;z-index:50;padding:18px 0 10px}
    .nav-shell{display:flex;align-items:center;justify-content:space-between;gap:16px;border-radius:999px;padding:10px 12px 10px 16px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:950;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;box-shadow:0 0 26px rgba(34,211,238,.36);font-weight:950}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-link{position:relative;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 14px;color:#bfd1e7;font-weight:800;font-size:14px;transition:.22s ease}
    .nav-link:hover{color:#eaffff;background:rgba(34,211,238,.08)}
    .nav-link:after{content:"";position:absolute;left:18px;right:18px;bottom:5px;height:2px;border-radius:999px;background:var(--cyan);opacity:0;box-shadow:0 0 12px var(--cyan);transition:.22s ease}
    .nav-link:hover:after{opacity:.9}
    .nav-link.active{color:white;background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(124,58,237,.76));box-shadow:0 10px 28px rgba(37,99,235,.24)}
    .nav-link.active:after{opacity:0}
    .age-pill,.status-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(245,158,11,.34);background:rgba(245,158,11,.10);color:#ffe6b0;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:900;white-space:nowrap}
    .dot{width:8px;height:8px;border-radius:999px;display:inline-block;background:var(--green);box-shadow:0 0 14px var(--green)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 18px;font-weight:950;transition:.22s ease;line-height:1.1;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;box-shadow:0 12px 36px rgba(34,211,238,.28), inset 0 1px 0 rgba(255,255,255,.28)}
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 52px rgba(34,211,238,.38)}
    .btn-ghost{border:1px solid rgba(125,211,252,.30);background:rgba(7,17,31,.48);color:#d8edff}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.68);box-shadow:0 14px 34px rgba(34,211,238,.14)}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:rgba(9,22,42,.76);font-size:20px}
    .mobile-menu{display:none;margin-top:10px;border-radius:24px;padding:14px}
    .section{padding:72px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b7ecff;border:1px solid rgba(34,211,238,.30);background:rgba(34,211,238,.08);border-radius:999px;padding:8px 12px;font-weight:900;font-size:13px}
    .hero{padding:54px 0 36px}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);gap:28px;align-items:stretch}
    .hero-card{border-radius:var(--radius-lg);padding:34px;position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 82% 12%, rgba(34,211,238,.22), transparent 32%), radial-gradient(circle at 12% 92%, rgba(124,58,237,.24), transparent 34%);pointer-events:none}
    .hero-card>*{position:relative;z-index:1}
    h1{font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.06em;margin:18px 0 16px;font-weight:1000}
    h2{font-size:clamp(26px,3.4vw,36px);line-height:1.16;letter-spacing:-.04em;font-weight:1000;margin:0}
    h3{font-size:20px;line-height:1.28;font-weight:950;margin:0}
    .lead{color:#c3d5ea;font-size:17px;max-width:760px}
    .fine{color:var(--muted);font-size:14px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .group-meter{display:grid;gap:14px}
    .metric-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .metric{border-radius:22px;border:1px solid rgba(125,211,252,.18);background:rgba(255,255,255,.04);padding:16px}
    .metric strong{display:block;font-size:30px;line-height:1;color:#dffbff;text-shadow:0 0 22px rgba(34,211,238,.36);letter-spacing:-.04em}
    .progress{height:10px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden;border:1px solid rgba(255,255,255,.06)}
    .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 22px rgba(34,211,238,.55)}
    .crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border-radius:999px;padding:10px 14px;color:#b8cbe3;font-size:14px;margin-bottom:18px}
    .crumb a{color:#dff8ff;font-weight:800}
    .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .chip{display:inline-flex;align-items:center;gap:8px;border-radius:999px;border:1px solid rgba(125,211,252,.22);background:rgba(8,20,40,.60);padding:9px 13px;color:#d5e8fa;font-weight:850;font-size:14px;transition:.2s ease}
    .chip:hover,.chip.active{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.12);color:white;box-shadow:0 0 24px rgba(34,211,238,.14)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px;align-items:start}
    .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card{border-radius:var(--radius);padding:22px;transition:.22s ease;position:relative;overflow:hidden}
    .card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(34,211,238,.08),transparent 45%,rgba(124,58,237,.08));opacity:.65;pointer-events:none}
    .card>*{position:relative;z-index:1}
    .card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.55);box-shadow:0 24px 70px rgba(0,0,0,.46),0 0 34px rgba(34,211,238,.16)}
    .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .icon-box{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.55),rgba(34,211,238,.18));border:1px solid rgba(34,211,238,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
    .tag{border:1px solid rgba(125,211,252,.18);background:rgba(15,23,42,.50);border-radius:999px;padding:5px 9px;color:#b8cbe3;font-size:12px;font-weight:850}
    .side-panel{position:sticky;top:104px;border-radius:var(--radius);padding:22px}
    .rule-list{display:grid;gap:12px;margin-top:18px}
    .rule-item{display:flex;gap:12px;padding:13px;border-radius:18px;background:rgba(255,255,255,.035);border:1px solid rgba(125,211,252,.14)}
    .rule-item .num{width:26px;height:26px;border-radius:10px;background:rgba(34,211,238,.12);color:#a8f3ff;display:grid;place-items:center;font-weight:950;flex:none}
    .process{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .step-list{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;border-radius:22px;padding:18px;border:1px solid rgba(125,211,252,.18);background:rgba(255,255,255,.035)}
    .step b{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),rgba(34,211,238,.34));box-shadow:0 0 22px rgba(34,211,238,.20)}
    .panel-visual{border-radius:var(--radius-lg);padding:24px;min-height:100%;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}
    .panel-visual:after{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:999px;background:rgba(34,211,238,.18);filter:blur(8px)}
    .scan-card{position:relative;z-index:1;border-radius:22px;border:1px solid rgba(34,211,238,.22);background:rgba(2,8,23,.45);padding:18px;margin-top:14px}
    .scan-line{height:8px;border-radius:999px;background:linear-gradient(90deg,rgba(34,211,238,.12),rgba(34,211,238,.8),rgba(124,58,237,.42));box-shadow:0 0 20px rgba(34,211,238,.30);margin:14px 0}
    .compare-wrap{overflow:auto;border-radius:var(--radius)}
    .compare{min-width:720px;width:100%;border-collapse:separate;border-spacing:0;background:rgba(8,20,40,.58);border:1px solid rgba(125,211,252,.20);border-radius:var(--radius);overflow:hidden}
    .compare th,.compare td{padding:16px;text-align:left;border-bottom:1px solid rgba(125,211,252,.12);color:#c9d9ec}
    .compare th{color:#ecfbff;background:rgba(34,211,238,.08);font-weight:950}
    .compare tr:last-child td{border-bottom:0}
    .faq-wrap{display:grid;gap:12px;max-width:940px}
    .faq-item{border-radius:22px;border:1px solid rgba(125,211,252,.20);background:rgba(8,20,40,.62);overflow:hidden;transition:.22s ease}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-weight:950;color:#eef8ff}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;color:#b8cbe3}
    .faq-a p{margin:0;padding:0 20px 18px}
    .faq-item.open{border-color:rgba(34,211,238,.58);box-shadow:0 0 30px rgba(34,211,238,.12)}
    .faq-item.open .faq-a{max-height:180px}
    .faq-item .plus{transition:.22s ease;color:#7de7ff;font-size:22px}
    .faq-item.open .plus{transform:rotate(45deg)}
    .cta-band{border-radius:32px;padding:30px;display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;overflow:hidden;position:relative}
    .cta-band:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 74% 18%, rgba(34,211,238,.22), transparent 36%), linear-gradient(135deg,rgba(37,99,235,.18),rgba(124,58,237,.12));pointer-events:none}
    .cta-band>*{position:relative;z-index:1}
    .mini-form{display:grid;gap:12px}
    .input{width:100%;border-radius:999px;border:1px solid rgba(125,211,252,.24);background:rgba(2,8,23,.54);color:white;padding:14px 16px;transition:.2s ease}
    .input:focus{border-color:rgba(34,211,238,.80);box-shadow:0 0 0 4px rgba(34,211,238,.12)}
    .checkline{display:flex;align-items:flex-start;gap:10px;color:#c7d8ea;font-size:13px}
    .checkline input{margin-top:5px;accent-color:#22d3ee}
    .site-footer{padding:56px 0 26px;border-top:1px solid rgba(125,211,252,.12);background:linear-gradient(180deg,rgba(5,8,22,.20),rgba(2,6,18,.72))}
    .footer-grid{display:grid;grid-template-columns:1.25fr .55fr .8fr;gap:26px;padding-bottom:28px}
    .footer-links{display:grid;gap:9px;color:#bdd0e7;font-weight:750}
    .footer-links a:hover{color:#7de7ff}
    .copyright{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(125,211,252,.12);padding-top:18px;color:#7f93ad;font-size:13px}
    ::selection{background:rgba(34,211,238,.28);color:white}
    @media (max-width:1024px){
      .nav-links,.nav-right{display:none!important}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-menu.open{display:block}
      .hero-grid,.content-layout,.process,.cta-band{grid-template-columns:1fr}
      .side-panel{position:static}
      .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header{padding-top:12px}
      .nav-shell{border-radius:24px}.brand span:last-child{font-size:14px}
      .hero{padding-top:34px}.hero-card{padding:24px}.section{padding:48px 0}
      .card-grid,.metric-row,.footer-grid{grid-template-columns:1fr}
      .hero-actions{display:grid}.hero-actions .btn{width:100%}
      .filter-bar{overflow:auto;flex-wrap:nowrap;padding-bottom:6px}.chip{flex:0 0 auto}
      .footer-grid{gap:22px}.copyright{display:grid}
    }
    @media (max-width:520px){
      h1{font-size:32px}.lead{font-size:15px}.hero-card,.card,.side-panel,.cta-band{border-radius:22px;padding:20px}
      .metric strong{font-size:26px}.step{grid-template-columns:1fr}.step b{width:46px;height:46px}
      .btn{padding:12px 15px;font-size:14px}.crumb{border-radius:20px}
    }