/* roulang page: index */
:root{
      --bg:#07050D;
      --bg-2:#100A18;
      --bg-3:#160B1F;
      --panel:rgba(15,10,25,.62);
      --panel-strong:rgba(18,10,30,.82);
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(192,38,211,.42);
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --soft:#94A3B8;
      --primary:#C026D3;
      --primary-2:#B026FF;
      --cyan:#22D3EE;
      --gold:#F59E0B;
      --danger:#F43F5E;
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 24px 80px rgba(176,38,255,.18);
      --shadow-cyan:0 18px 60px rgba(34,211,238,.12);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 8%, rgba(176,38,255,.30), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(34,211,238,.16), transparent 24%),
        radial-gradient(circle at 55% 70%, rgba(245,158,11,.10), transparent 28%),
        linear-gradient(135deg,#07050D 0%,#100A18 46%,#06040A 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:58px 58px;
      mask-image:linear-gradient(to bottom, #000 0%, transparent 80%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:
        linear-gradient(120deg, transparent 0 35%, rgba(192,38,211,.08) 35% 36%, transparent 36% 64%, rgba(34,211,238,.07) 64% 65%, transparent 65%),
        radial-gradient(circle at 50% 0%, rgba(255,255,255,.08), transparent 38%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(192,38,211,.55);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .glass{
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px) saturate(140%);
    }
    .nav-wrap{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:50;
      transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
      background:rgba(10,6,18,.42);
      border-bottom:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(18px) saturate(140%);
    }
    .nav-wrap.scrolled{
      background:rgba(7,5,13,.93);
      border-bottom-color:rgba(255,255,255,.18);
      box-shadow:0 16px 50px rgba(0,0,0,.34),0 0 28px rgba(192,38,211,.12);
    }
    .nav-inner{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      position:relative;
      background:linear-gradient(135deg,rgba(192,38,211,.95),rgba(34,211,238,.62));
      box-shadow:0 0 26px rgba(192,38,211,.44);
    }
    .brand-mark:after{
      content:"";
      width:18px;
      height:18px;
      border:2px solid rgba(255,255,255,.88);
      transform:rotate(45deg);
      border-radius:4px;
    }
    .brand-text{font-size:17px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      min-height:42px;
      display:flex;
      align-items:center;
      padding:0 18px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:all .2s ease;
    }
    .nav-links a:hover,.nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(192,38,211,.33),rgba(34,211,238,.14));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .age-pill{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:0 13px;
      border-radius:999px;
      color:#fff;
      font-size:13px;
      border:1px solid rgba(245,158,11,.42);
      background:rgba(245,158,11,.10);
    }
    .menu-btn{
      display:none;
      width:46px;
      height:46px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:15px;
      background:rgba(255,255,255,.06);
      color:#fff;
    }
    .mobile-menu{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel{
      display:grid;
      gap:10px;
      padding:14px;
      border-radius:22px;
      background:rgba(15,10,25,.92);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .mobile-panel a{
      min-height:46px;
      display:flex;
      align-items:center;
      padding:0 14px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
    }
    .mobile-panel a.active{color:#fff;background:rgba(192,38,211,.22)}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 13px;
      border-radius:999px;
      color:#fff;
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
      text-transform:uppercase;
      border:1px solid rgba(34,211,238,.34);
      background:rgba(34,211,238,.10);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px var(--cyan);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .section-head p{
      max-width:650px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .hero{
      position:relative;
      min-height:790px;
      padding:132px 0 82px;
      overflow:hidden;
    }
    .hero-orb{
      position:absolute;
      border-radius:999px;
      filter:blur(12px);
      pointer-events:none;
      opacity:.7;
    }
    .orb-one{width:260px;height:260px;right:7%;top:18%;background:rgba(192,38,211,.20)}
    .orb-two{width:180px;height:180px;left:8%;bottom:15%;background:rgba(34,211,238,.14)}
    .hero-stage{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      border-radius:var(--radius-xl);
      padding:40px;
      position:relative;
      overflow:hidden;
    }
    .hero-copy:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(135deg,rgba(192,38,211,.28),transparent 38%,rgba(34,211,238,.16));
      pointer-events:none;
    }
    .hero-copy>*{position:relative}
    h1{
      margin:22px 0 18px;
      font-size:clamp(38px,6vw,70px);
      line-height:1.02;
      font-weight:950;
      letter-spacing:-.055em;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#F0ABFC 38%,#67E8F9 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      text-shadow:0 0 40px rgba(192,38,211,.28);
    }
    .hero-desc{
      max-width:760px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
      margin:0 0 26px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:26px 0;
    }
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:0 20px;
      border-radius:999px;
      font-weight:850;
      border:1px solid transparent;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
      outline:none;
    }
    .btn:focus-visible,.nav-links a:focus-visible,.mobile-panel a:focus-visible,input:focus-visible,summary:focus-visible{
      outline:3px solid rgba(34,211,238,.38);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 52%,#7C3AED);
      box-shadow:0 14px 38px rgba(192,38,211,.32);
      border-color:rgba(255,255,255,.18);
    }
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.16);
    }
    .btn-cyan{
      color:#031015;
      background:linear-gradient(135deg,#67E8F9,#22D3EE);
      border-color:rgba(255,255,255,.28);
      box-shadow:0 14px 36px rgba(34,211,238,.22);
    }
    .btn:hover{transform:translateY(-3px)}
    .btn-primary:hover{box-shadow:0 20px 55px rgba(192,38,211,.46)}
    .btn-secondary:hover{background:rgba(255,255,255,.10);border-color:rgba(34,211,238,.38)}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:30px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(0,0,0,.18);
    }
    .metric strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:#fff;
      letter-spacing:-.04em;
    }
    .metric span{display:block;margin-top:8px;color:var(--soft);font-size:13px}
    .hero-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      grid-auto-rows:minmax(150px,auto);
      gap:16px;
    }
    .matrix-card{
      position:relative;
      overflow:hidden;
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.13);
      background:linear-gradient(150deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      backdrop-filter:blur(18px);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .matrix-card.large{grid-column:span 2;min-height:205px}
    .matrix-card:after{
      content:"";
      position:absolute;
      width:120px;
      height:120px;
      right:-36px;
      bottom:-36px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(192,38,211,.35),transparent 68%);
    }
    .matrix-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.42);
      box-shadow:var(--shadow-cyan);
    }
    .matrix-card h3{font-size:21px;font-weight:900;margin:12px 0 8px}
    .matrix-card p{color:var(--muted);font-size:14px;margin:0}
    .scan-line{
      height:8px;
      width:100%;
      border-radius:999px;
      margin-top:22px;
      background:linear-gradient(90deg,var(--primary) 0 45%,rgba(255,255,255,.14) 45% 74%,var(--cyan) 74% 100%);
      box-shadow:0 0 22px rgba(192,38,211,.3);
    }
    .adult-notice{
      margin-top:18px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(245,158,11,.34);
      background:rgba(245,158,11,.08);
      color:#FDE68A;
      font-size:14px;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
    }
    .tag.hot{color:#fff;border-color:rgba(192,38,211,.42);background:rgba(192,38,211,.14)}
    .tag.gold{color:#FDE68A;border-color:rgba(245,158,11,.40);background:rgba(245,158,11,.10)}
    .directory-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .dir-card{
      min-height:210px;
      position:relative;
      overflow:hidden;
      border-radius:24px;
      padding:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(15,10,25,.58);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .dir-card.feature{grid-row:span 2;min-height:438px}
    .dir-card:hover{
      transform:translateY(-4px);
      border-color:rgba(192,38,211,.52);
      box-shadow:0 22px 70px rgba(176,38,255,.20);
    }
    .dir-no{
      display:inline-flex;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      color:#031015;
      font-weight:950;
      background:linear-gradient(135deg,var(--cyan),#A7F3D0);
      box-shadow:0 0 24px rgba(34,211,238,.24);
    }
    .corner-badge{
      position:absolute;
      top:18px;
      right:18px;
      color:#FDE68A;
      font-size:12px;
      font-weight:900;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.42);
      background:rgba(245,158,11,.10);
    }
    .dir-card h3{margin:18px 0 8px;font-size:23px;font-weight:900}
    .dir-card p{color:var(--muted);font-size:15px;margin:0 0 16px}
    .dir-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
      color:var(--soft);
      font-size:12px;
    }
    .progress{
      position:absolute;
      left:24px;
      right:24px;
      bottom:22px;
      height:6px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      overflow:hidden;
    }
    .progress span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
      width:72%;
    }
    .feature .progress span{width:88%}
    .filter-shell{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px;
      border-radius:24px;
      margin-bottom:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
    }
    .search-box{
      flex:1;
      min-width:260px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.18);
    }
    .search-box input{
      flex:1;
      width:100%;
      min-height:38px;
      border:0;
      outline:0;
      color:#fff;
      background:transparent;
      padding:0 10px;
    }
    .search-box input::placeholder{color:rgba(203,213,225,.70)}
    .featured-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
      align-items:stretch;
    }
    .spotlight{
      min-height:420px;
      border-radius:30px;
      overflow:hidden;
      position:relative;
      border:1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(circle at 20% 15%,rgba(192,38,211,.30),transparent 34%),
        radial-gradient(circle at 82% 40%,rgba(34,211,238,.18),transparent 28%),
        linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      padding:28px;
    }
    .abstract-cover{
      min-height:170px;
      border-radius:24px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(192,38,211,.38),transparent 42%),
        radial-gradient(circle at 70% 20%,rgba(34,211,238,.35),transparent 26%),
        linear-gradient(160deg,#211029,#08050D);
    }
    .abstract-cover:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(120deg,transparent 0 45%,rgba(255,255,255,.15) 45% 46%,transparent 46% 100%);
      background-size:42px 42px;
      opacity:.42;
    }
    .spotlight h3{font-size:30px;line-height:1.2;font-weight:950;margin:22px 0 10px}
    .spotlight p,.item-card p{color:var(--muted);margin:0}
    .item-list{display:grid;gap:14px}
    .item-card{
      display:grid;
      grid-template-columns:112px 1fr;
      gap:16px;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .item-card:hover{
      transform:translateY(-3px);
      border-color:rgba(34,211,238,.42);
      background:rgba(255,255,255,.07);
    }
    .mini-cover{
      min-height:112px;
      border-radius:18px;
      background:
        radial-gradient(circle at 70% 20%,rgba(245,158,11,.25),transparent 28%),
        linear-gradient(135deg,rgba(192,38,211,.28),rgba(34,211,238,.12));
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .item-card h3{margin:0 0 6px;font-size:19px;font-weight:900}
    .recommend-wall{
      display:grid;
      grid-template-columns:1fr 1.2fr 1fr;
      gap:16px;
    }
    .rec-card{
      border-radius:24px;
      padding:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
      min-height:180px;
      transition:transform .2s ease,border-color .2s ease;
    }
    .rec-card.tall{min-height:260px}
    .rec-card:hover{transform:translateY(-4px);border-color:rgba(192,38,211,.48)}
    .rec-card h3{margin:10px 0 8px;font-size:21px;font-weight:900}
    .rec-card p{color:var(--muted);font-size:15px;margin:0}
    .score{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:14px;
    }
    .score strong{color:var(--cyan)}
    .calendar{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:18px;
    }
    .calendar-panel,.news-panel,.compare-panel,.faq-card,.cta-panel{
      border-radius:28px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(15,10,25,.58);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .calendar-panel{padding:24px}
    .date-chip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .date-chip:last-child{border-bottom:0}
    .date-chip b{color:#fff}
    .date-chip span{color:var(--soft);font-size:13px}
    .news-panel{padding:22px}
    .news-list{display:grid;gap:12px}
    .news-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      min-height:58px;
      padding:10px 12px;
      border-radius:17px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      transition:background .2s ease,border-color .2s ease,transform .2s ease;
    }
    .news-link:hover{background:rgba(255,255,255,.07);border-color:rgba(34,211,238,.34);transform:translateX(3px)}
    .news-link em{
      font-style:normal;
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      color:#031015;
      font-weight:950;
      background:var(--cyan);
    }
    .news-link strong{font-size:15px}
    .news-link small{color:var(--soft)}
    .compare-panel{padding:26px}
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .compare-col{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.10);
    }
    .compare-col.recommended{
      border-color:rgba(192,38,211,.52);
      background:linear-gradient(180deg,rgba(192,38,211,.16),rgba(255,255,255,.045));
    }
    .check-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
    .check-list li{display:flex;gap:10px;color:var(--muted);font-size:15px}
    .check-list li:before{content:"✦";color:var(--cyan)}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    details.faq-card{
      padding:0;
      overflow:hidden;
      transition:border-color .2s ease,background .2s ease;
    }
    details.faq-card[open]{border-color:rgba(34,211,238,.36);background:rgba(34,211,238,.055)}
    summary{
      min-height:70px;
      padding:20px 22px;
      cursor:pointer;
      font-weight:900;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    .faq-card p{margin:0;padding:0 22px 22px;color:var(--muted);font-size:15px}
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:34px;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
      align-items:center;
      background:
        radial-gradient(circle at 20% 10%,rgba(192,38,211,.30),transparent 36%),
        radial-gradient(circle at 78% 55%,rgba(34,211,238,.18),transparent 30%),
        rgba(15,10,25,.70);
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent 0 42%,rgba(255,255,255,.10) 42% 43%,transparent 43% 100%);
      pointer-events:none;
    }
    .cta-panel>*{position:relative}
    .cta-panel h2{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:950;margin:0 0 12px}
    .cta-panel p{color:var(--muted);margin:0}
    .share-box{
      border-radius:24px;
      padding:20px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(0,0,0,.20);
    }
    .qr-placeholder{
      width:112px;height:112px;border-radius:22px;
      display:grid;place-items:center;
      color:var(--soft);
      font-size:12px;
      text-align:center;
      margin-bottom:14px;
      border:1px dashed rgba(255,255,255,.25);
      background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 8px,transparent 8px 16px);
    }
    .footer{
      margin-top:40px;
      background:#05030A;
      border-top:1px solid rgba(255,255,255,.12);
      position:relative;
      padding:42px 0 28px;
    }
    .footer:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:2px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),var(--gold));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer h3{margin:0 0 12px;font-size:18px;font-weight:950}
    .footer p,.footer a{color:var(--soft);font-size:14px}
    .footer a:hover{color:#fff}
    .footer-links{display:grid;gap:8px}
    .copyright{
      margin-top:28px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:grid;place-items:center}
      .mobile-menu.open{display:block}
      .hero{min-height:auto}
      .hero-stage,.featured-layout,.calendar,.cta-panel{grid-template-columns:1fr}
      .directory-grid{grid-template-columns:1fr 1fr}
      .dir-card.feature{grid-row:auto;grid-column:span 2;min-height:320px}
      .recommend-wall{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .nav-inner{height:68px}
      .brand-text{font-size:15px;max-width:210px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero{padding-top:104px}
      .hero-copy{padding:26px;border-radius:24px}
      .hero-metrics{grid-template-columns:1fr}
      .hero-matrix{grid-template-columns:1fr}
      .matrix-card.large{grid-column:auto}
      .section{padding:66px 0}
      .section-head{display:block}
      .filter-shell{align-items:stretch;flex-direction:column}
      .search-box{min-width:0}
      .directory-grid,.recommend-wall,.faq-grid,.compare-grid{grid-template-columns:1fr}
      .dir-card.feature{grid-column:auto}
      .item-card{grid-template-columns:88px 1fr}
      .mini-cover{min-height:88px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      h1{font-size:38px}
      .hero-desc{font-size:16px}
      .hero-actions .btn{width:100%}
      .item-card{grid-template-columns:1fr}
      .mini-cover{min-height:130px}
      .tag-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .tag{white-space:nowrap}
      .cta-panel{padding:24px}
      .copyright{display:block}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
    }

/* roulang page: category1 */
:root{
      --bg:#07050D;
      --bg-2:#100A18;
      --bg-3:#160B1F;
      --panel:rgba(15,10,25,.62);
      --panel-strong:rgba(24,14,36,.82);
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(192,38,211,.42);
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --weak:#94A3B8;
      --primary:#C026D3;
      --primary-2:#B026FF;
      --cyan:#22D3EE;
      --gold:#F59E0B;
      --danger:#FB7185;
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-purple:0 24px 80px rgba(176,38,255,.20);
      --shadow-cyan:0 18px 60px rgba(34,211,238,.12);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(192,38,211,.26), transparent 30%),
        radial-gradient(circle at 80% 14%, rgba(34,211,238,.18), transparent 28%),
        radial-gradient(circle at 60% 80%, rgba(245,158,11,.08), transparent 28%),
        linear-gradient(145deg, #07050D 0%, #100A18 48%, #05030A 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.32;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 86%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:
        linear-gradient(115deg, transparent 0 38%, rgba(192,38,211,.10) 39% 40%, transparent 41% 100%),
        radial-gradient(circle at 50% 20%, rgba(255,255,255,.04), transparent 20%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
    .site-container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .section{position:relative;padding:90px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:34px;
      padding:6px 12px;
      border:1px solid rgba(34,211,238,.32);
      border-radius:999px;
      color:#CFFAFE;
      background:rgba(34,211,238,.08);
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 18px var(--cyan);
    }
    .gradient-text{
      background:linear-gradient(100deg,#fff 0%,#f0abfc 38%,#67e8f9 78%,#fef3c7 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .text-muted{color:var(--muted)}
    .text-weak{color:var(--weak)}
    .site-header{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:50;
      padding:14px 0;
      background:rgba(10,6,18,.42);
      border-bottom:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(18px) saturate(140%);
      box-shadow:0 10px 36px rgba(176,38,255,.10);
      transition:background .25s ease, box-shadow .25s ease, padding .25s ease;
    }
    .site-header.scrolled{
      padding:10px 0;
      background:rgba(7,5,13,.92);
      box-shadow:0 18px 60px rgba(0,0,0,.38), 0 0 38px rgba(192,38,211,.12);
    }
    .nav-inner{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:54px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:40px;
      height:40px;
      display:inline-block;
      position:relative;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(192,38,211,.95),rgba(34,211,238,.82)),
        radial-gradient(circle at 35% 25%,#fff,transparent 28%);
      box-shadow:0 0 26px rgba(192,38,211,.56), inset 0 0 0 1px rgba(255,255,255,.28);
      clip-path:polygon(24% 0,76% 0,100% 28%,100% 72%,76% 100%,24% 100%,0 72%,0 28%);
    }
    .brand-mark:after{
      content:"★";
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:16px;
      text-shadow:0 0 12px rgba(255,255,255,.72);
    }
    .brand-text{
      font-size:18px;
      line-height:1.15;
      background:linear-gradient(90deg,#fff,#f5d0fe 50%,#a5f3fc);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .nav-links a{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      padding:8px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      transition:all .2s ease;
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.09);
      box-shadow:0 0 24px rgba(34,211,238,.10);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(192,38,211,.88),rgba(176,38,255,.54));
      box-shadow:0 0 24px rgba(192,38,211,.32);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .age-pill{
      min-height:36px;
      display:inline-flex;
      align-items:center;
      padding:7px 12px;
      border:1px solid rgba(245,158,11,.38);
      border-radius:999px;
      color:#FDE68A;
      background:rgba(245,158,11,.09);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .btn{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:11px 18px;
      border:1px solid transparent;
      font-weight:900;
      line-height:1;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 56%,rgba(34,211,238,.80));
      box-shadow:0 16px 40px rgba(192,38,211,.28);
      border-color:rgba(255,255,255,.20);
    }
    .btn-primary:hover{box-shadow:0 22px 60px rgba(192,38,211,.42), 0 0 24px rgba(34,211,238,.18)}
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.065);
      border-color:rgba(255,255,255,.14);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.11);
      border-color:rgba(34,211,238,.45);
      box-shadow:0 14px 38px rgba(34,211,238,.10);
    }
    .menu-btn{
      display:none;
      width:46px;
      height:46px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      color:#fff;
      font-size:22px;
      transition:all .2s ease;
    }
    .menu-btn:hover{border-color:rgba(34,211,238,.48);box-shadow:0 0 22px rgba(34,211,238,.14)}
    .hero{
      position:relative;
      padding:142px 0 78px;
      min-height:720px;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 28%,rgba(192,38,211,.22),transparent 28%),
        radial-gradient(circle at 80% 20%,rgba(34,211,238,.15),transparent 24%),
        linear-gradient(180deg,rgba(255,255,255,.02),transparent 60%);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);
      gap:38px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--weak);
      font-size:14px;
      margin-bottom:22px;
    }
    .breadcrumb a{color:#E9D5FF;font-weight:800}
    .breadcrumb span{color:var(--muted)}
    h1{
      margin:0;
      font-size:clamp(38px,6vw,66px);
      line-height:1.04;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-lead{
      margin:22px 0 0;
      max-width:760px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .invite-strip{
      margin-top:28px;
      padding:16px;
      border:1px solid rgba(245,158,11,.25);
      border-radius:22px;
      background:linear-gradient(135deg,rgba(245,158,11,.10),rgba(192,38,211,.08));
      display:grid;
      gap:12px;
      max-width:650px;
    }
    .invite-strip strong{color:#FDE68A}
    .progress-shell{
      height:10px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.10);
    }
    .progress-bar{
      width:72%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),var(--gold));
      box-shadow:0 0 18px rgba(34,211,238,.32);
    }
    .hero-panel{
      position:relative;
      border:1px solid rgba(255,255,255,.13);
      border-radius:var(--radius-xl);
      background:linear-gradient(150deg,rgba(24,14,36,.80),rgba(9,6,16,.58));
      box-shadow:var(--shadow-purple), inset 0 1px 0 rgba(255,255,255,.08);
      padding:22px;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-1px;
      pointer-events:none;
      background:
        linear-gradient(135deg,rgba(192,38,211,.32),transparent 28%,transparent 72%,rgba(34,211,238,.24)),
        repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 8px);
      opacity:.7;
    }
    .panel-head,.panel-content{position:relative}
    .panel-head{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .panel-title{font-size:22px;font-weight:950;letter-spacing:-.03em}
    .panel-kicker{font-size:13px;color:var(--weak);margin-top:3px}
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      color:#A7F3D0;
      background:rgba(16,185,129,.10);
      border:1px solid rgba(16,185,129,.24);
      font-size:12px;
      font-weight:900;
      white-space:nowrap;
    }
    .status-dot:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:#34D399;
      box-shadow:0 0 13px #34D399;
    }
    .filter-console{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .console-item{
      min-height:112px;
      padding:16px;
      border:1px solid rgba(255,255,255,.11);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      transition:all .2s ease;
    }
    .console-item:hover{
      transform:translateY(-3px);
      border-color:rgba(34,211,238,.40);
      box-shadow:0 18px 42px rgba(34,211,238,.08);
    }
    .console-num{color:var(--cyan);font-weight:950;font-size:13px}
    .console-title{margin-top:8px;font-size:16px;font-weight:950}
    .console-desc{margin-top:5px;color:var(--weak);font-size:13px;line-height:1.6}
    .notice-card{
      position:relative;
      margin-top:14px;
      padding:16px;
      border:1px solid rgba(245,158,11,.30);
      border-radius:20px;
      background:rgba(245,158,11,.08);
      color:#FEF3C7;
      font-size:14px;
    }
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,.8fr) minmax(300px,.45fr);
      gap:26px;
      align-items:end;
      margin-bottom:32px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(30px,4vw,44px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .section-head p{margin:0;color:var(--muted);font-size:16px}
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip,.tag{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.055);
      color:#E2E8F0;
      font-size:13px;
      font-weight:800;
      transition:all .2s ease;
    }
    .chip:hover,.tag:hover{
      border-color:rgba(34,211,238,.42);
      color:#fff;
      transform:translateY(-1px);
    }
    .chip.active{
      border-color:rgba(192,38,211,.60);
      background:rgba(192,38,211,.18);
      color:#F5D0FE;
      box-shadow:0 0 24px rgba(192,38,211,.14);
    }
    .filter-bar{
      border:1px solid rgba(255,255,255,.12);
      border-radius:26px;
      padding:18px;
      background:rgba(255,255,255,.045);
      box-shadow:var(--shadow-cyan);
      display:grid;
      grid-template-columns:1.4fr repeat(3, minmax(140px,.7fr));
      gap:12px;
      align-items:center;
    }
    .search-box,.select-box{
      min-height:50px;
      width:100%;
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      color:#fff;
      background:rgba(5,3,10,.50);
      padding:0 14px;
      outline:none;
      transition:all .2s ease;
    }
    .search-box::placeholder{color:#94A3B8}
    .search-box:focus,.select-box:focus{
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 0 4px rgba(34,211,238,.10);
    }
    .select-box{appearance:none;color:#E2E8F0}
    .directory-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
      margin-top:22px;
    }
    .feature-card,.mini-card,.item-card,.recommend-card,.faq-card,.sticky-panel,.cta-band{
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(145deg,rgba(24,14,36,.72),rgba(10,6,18,.58));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .feature-card:hover,.mini-card:hover,.item-card:hover,.recommend-card:hover{
      transform:translateY(-4px);
      border-color:rgba(192,38,211,.50);
      box-shadow:0 24px 70px rgba(192,38,211,.16), inset 0 1px 0 rgba(255,255,255,.08);
    }
    .feature-card{
      min-height:440px;
      border-radius:30px;
      padding:28px;
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .feature-card:before,.abstract-cover:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 20%,rgba(34,211,238,.18),transparent 25%),
        radial-gradient(circle at 78% 30%,rgba(192,38,211,.24),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.07),transparent 40%);
      pointer-events:none;
    }
    .feature-card h3{font-size:32px;line-height:1.16;font-weight:950;letter-spacing:-.04em;margin:14px 0 12px}
    .number-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:54px;
      height:54px;
      border-radius:18px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,rgba(192,38,211,.95),rgba(34,211,238,.72));
      box-shadow:0 0 30px rgba(192,38,211,.28);
    }
    .stat-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:20px;
    }
    .stat{
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
    }
    .stat strong{display:block;font-size:20px;color:#fff}
    .stat span{font-size:12px;color:var(--weak)}
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      border-radius:22px;
      padding:18px;
      min-height:206px;
      position:relative;
      overflow:hidden;
    }
    .mini-card .num{color:var(--cyan);font-weight:950}
    .mini-card h3{font-size:19px;font-weight:950;margin:10px 0 8px;line-height:1.28}
    .mini-card p,.feature-card p,.item-card p,.recommend-card p{color:var(--muted);font-size:14px;margin:0}
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:15px;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 318px;
      gap:20px;
      align-items:start;
    }
    .item-list{
      display:grid;
      gap:16px;
    }
    .item-card{
      border-radius:26px;
      padding:16px;
      display:grid;
      grid-template-columns:178px minmax(0,1fr);
      gap:18px;
      align-items:stretch;
      overflow:hidden;
    }
    .abstract-cover{
      position:relative;
      min-height:156px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(192,38,211,.24),rgba(34,211,238,.12)),
        radial-gradient(circle at 30% 20%,rgba(255,255,255,.16),transparent 30%),
        #12091E;
      overflow:hidden;
    }
    .abstract-cover:after{
      content:"";
      position:absolute;
      width:90px;
      height:90px;
      right:18px;
      bottom:18px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:24px;
      transform:rotate(18deg);
      box-shadow:0 0 28px rgba(34,211,238,.16);
    }
    .item-body{display:flex;flex-direction:column;justify-content:space-between;gap:12px}
    .item-card h3{font-size:22px;font-weight:950;letter-spacing:-.03em;margin:0 0 8px}
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--weak);
      font-size:13px;
      font-weight:700;
    }
    .card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:space-between;
    }
    .icon-btn{
      width:42px;
      height:42px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:#fff;
      display:inline-grid;
      place-items:center;
      transition:all .2s ease;
    }
    .icon-btn:hover{border-color:rgba(245,158,11,.48);color:#FDE68A;transform:translateY(-2px)}
    .sticky-panel{
      position:sticky;
      top:96px;
      border-radius:26px;
      padding:20px;
    }
    .sticky-panel h3{font-size:20px;font-weight:950;margin:0 0 12px}
    .guide-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .guide-list li{
      display:grid;
      grid-template-columns:30px 1fr;
      gap:10px;
      align-items:start;
      color:var(--muted);
      font-size:14px;
    }
    .guide-list b{
      width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#CFFAFE;
      background:rgba(34,211,238,.10);
      border:1px solid rgba(34,211,238,.22);
      font-size:12px;
    }
    .recommend-wrap{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:18px;
      align-items:stretch;
    }
    .recommend-card{
      border-radius:24px;
      padding:20px;
      min-height:180px;
    }
    .tag-wall{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-content:flex-start;
      border:1px solid rgba(255,255,255,.12);
      border-radius:28px;
      background:rgba(255,255,255,.045);
      padding:20px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-card{
      border-radius:22px;
      overflow:hidden;
    }
    details.faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:950;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    details.faq-card summary::-webkit-details-marker{display:none}
    details.faq-card summary:after{
      content:"+";
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:11px;
      color:#fff;
      background:rgba(192,38,211,.18);
      border:1px solid rgba(192,38,211,.35);
      flex:0 0 auto;
    }
    details.faq-card[open] summary:after{content:"−";background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.36)}
    .faq-answer{padding:0 22px 22px;color:var(--muted);font-size:15px}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 20% 20%,rgba(192,38,211,.25),transparent 34%),
        radial-gradient(circle at 84% 50%,rgba(34,211,238,.18),transparent 32%),
        rgba(15,10,25,.66);
    }
    .cta-band:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent 0 55%,rgba(245,158,11,.10) 56% 57%,transparent 58%);
      pointer-events:none;
    }
    .cta-band h2{position:relative;margin:0;font-size:clamp(28px,4vw,42px);line-height:1.15;font-weight:950;letter-spacing:-.04em}
    .cta-band p{position:relative;margin:12px 0 0;color:var(--muted)}
    .cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .footer{
      background:#05030A;
      border-top:1px solid rgba(255,255,255,.10);
      position:relative;
      padding:48px 0 26px;
      color:var(--weak);
    }
    .footer:before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:2px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),var(--gold));
      opacity:.9;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .65fr .85fr;
      gap:34px;
      align-items:start;
    }
    .footer h3{color:#fff;font-size:16px;font-weight:950;margin:0 0 14px}
    .footer p{margin:0;color:var(--weak);font-size:14px;line-height:1.8}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:var(--muted);
      font-weight:800;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:#8FA0B7;
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
    }
    @media (max-width:1024px){
      .nav-actions .age-pill{display:none}
      .hero{min-height:auto;padding-top:128px}
      .hero-grid,.directory-grid,.content-layout,.recommend-wrap,.section-head{grid-template-columns:1fr}
      .sticky-panel{position:relative;top:auto}
      .filter-bar{grid-template-columns:1fr 1fr}
      .cta-band{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .site-container,.nav-inner{width:min(calc(100% - 28px),var(--container))}
      .site-header{padding:10px 0}
      .brand-text{font-size:15px;max-width:190px;white-space:normal}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .menu-btn{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        top:72px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
        background:rgba(7,5,13,.94);
        box-shadow:0 22px 70px rgba(0,0,0,.46);
        backdrop-filter:blur(18px) saturate(140%);
      }
      .nav-links.open{display:flex}
      .nav-links a{justify-content:center;min-height:48px}
      .nav-actions{display:none}
      .hero{padding:118px 0 58px}
      .hero-lead{font-size:16px}
      .filter-console,.mini-grid,.faq-grid,.filter-bar{grid-template-columns:1fr}
      .section{padding:68px 0}
      .section-tight{padding:52px 0}
      .item-card{grid-template-columns:1fr}
      .abstract-cover{min-height:190px}
      .stat-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .hero-panel,.feature-card,.cta-band{border-radius:24px;padding:20px}
      .section-head h2{font-size:30px}
      .filter-bar{padding:14px;border-radius:22px}
      .copyright{display:grid}
    }