/* roulang page: index */
:root{
      --blue:#2f6feb;
      --blue-2:#3b82f6;
      --cyan:#e6f3ff;
      --ice:#f5f9ff;
      --bg:#f7faff;
      --white:#ffffff;
      --text:#172033;
      --muted:#5b667a;
      --weak:#8a94a6;
      --border:#d9e6f5;
      --border-2:#e5ecf6;
      --orange:#f59e0b;
      --green:#22c55e;
      --red:#ef4444;
      --shadow:0 14px 38px rgba(31,84,150,.09);
      --shadow-hover:0 18px 48px rgba(31,84,150,.15);
      --radius:20px;
      --radius-sm:14px;
      --container:1210px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:var(--font);color:var(--text);background:
      linear-gradient(180deg,#fff 0%,var(--bg) 45%,#fff 100%);
      line-height:1.75;font-size:16px;overflow-x:hidden}
    body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.42;background-image:
      linear-gradient(rgba(47,111,235,.055) 1px,transparent 1px),
      linear-gradient(90deg,rgba(47,111,235,.055) 1px,transparent 1px);
      background-size:24px 24px;z-index:-1}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    :focus-visible{outline:3px solid rgba(47,111,235,.28);outline-offset:3px;border-radius:10px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-2);transition:.25s ease}
    .site-header.is-scrolled{box-shadow:0 12px 26px rgba(31,84,150,.08);border-color:#c8dbf3}
    .brand-row{display:flex;align-items:center;gap:18px;min-height:70px}
    .logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;min-width:max-content}
    .logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#7bb6ff);position:relative;box-shadow:inset 0 0 0 3px rgba(255,255,255,.45),0 8px 18px rgba(47,111,235,.22)}
    .logo-mark::before{content:"";position:absolute;width:8px;height:8px;background:#fff;left:9px;top:9px;box-shadow:10px 0 0 rgba(255,255,255,.86),10px 10px 0 rgba(255,255,255,.72),20px 20px 0 rgba(245,158,11,.95)}
    .logo-text{font-size:17px;line-height:1.2}
    .status-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--border);background:var(--ice);color:var(--muted);border-radius:999px;font-size:13px;white-space:nowrap}
    .pixel-dot{width:8px;height:8px;background:var(--green);box-shadow:4px 0 0 rgba(34,197,94,.25)}
    .header-spacer{flex:1}
    .search{position:relative;width:286px}
    .search input{width:100%;height:42px;border:1px solid var(--border);border-radius:14px;padding:0 40px 0 15px;background:#fff;color:var(--text);transition:.2s}
    .search input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(47,111,235,.1);outline:0}
    .search span{position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--weak)}
    .update-tip{color:var(--muted);font-size:13px;padding:8px 10px;border-radius:12px;background:#fff;border:1px dashed var(--border)}
    .menu-btn{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--blue);font-weight:900}
    .channel-row{border-top:1px solid var(--border-2)}
    .channel-inner{display:flex;align-items:center;gap:14px;min-height:48px;overflow:auto;scrollbar-width:none}
    .channel-inner::-webkit-scrollbar{display:none}
    .nav-link{padding:8px 13px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{background:var(--cyan);color:var(--blue)}
    .trend{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--weak);font-size:13px;white-space:nowrap}
    .trend a{color:var(--blue);background:#fff;border:1px solid var(--border);padding:5px 9px;border-radius:999px}
    main{overflow:hidden}
    section{padding:78px 0}
    .hero{padding:30px 0 86px}
    .hero-stage{min-height:540px;border-radius:32px;position:relative;overflow:hidden;background:
      radial-gradient(circle at 18% 18%,rgba(255,255,255,.98) 0 15%,transparent 16%),
      linear-gradient(135deg,#edf6ff 0%,#ffffff 42%,#dcebff 100%);
      border:1px solid var(--border);box-shadow:var(--shadow)}
    .hero-stage::before{content:"";position:absolute;inset:0;background:
      linear-gradient(90deg,rgba(47,111,235,.07) 0 1px,transparent 1px),
      linear-gradient(rgba(47,111,235,.06) 0 1px,transparent 1px);background-size:34px 34px}
    .hero-stage::after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;background:rgba(47,111,235,.08);clip-path:polygon(0 0,100% 0,100% 100%,80% 100%,80% 20%,0 20%)}
    .series-nav{position:absolute;left:28px;right:28px;top:26px;z-index:2;display:flex;align-items:center;gap:10px;padding:10px;border:1px solid rgba(217,230,245,.92);background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-radius:18px;box-shadow:0 8px 24px rgba(31,84,150,.07);overflow:auto}
    .series-nav a,.series-nav span{font-size:13px;font-weight:800;color:var(--muted);padding:7px 10px;border-radius:10px;white-space:nowrap}
    .series-nav a:first-child{background:var(--blue);color:#fff}
    .series-nav span{margin-left:auto;color:var(--orange);background:#fff7e6;border:1px solid #fde4b2}
    .hero-content{position:relative;z-index:1;padding:112px 56px 48px;display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:900;background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 11px;margin-bottom:16px}
    .eyebrow::before{content:"";width:8px;height:8px;background:var(--orange);box-shadow:8px 0 0 rgba(245,158,11,.34)}
    h1{font-size:46px;line-height:1.16;margin:0 0 18px;letter-spacing:-.04em}
    .hero-desc{font-size:17px;color:var(--muted);max-width:720px;margin:0 0 24px}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:15px;padding:12px 18px;font-weight:900;transition:.22s ease;border:1px solid transparent;min-height:48px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 24px rgba(47,111,235,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(47,111,235,.3);filter:brightness(1.04)}
    .btn-secondary{background:#fff;color:var(--blue);border-color:var(--border)}
    .btn-secondary:hover{background:var(--cyan);border-color:#b9d8fb;transform:translateY(-1px)}
    .btn-soft{background:#eef7ff;color:#255ec8;border-color:#d3e9ff}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
    .point{background:rgba(255,255,255,.82);border:1px solid var(--border);border-radius:16px;padding:13px;box-shadow:0 8px 18px rgba(31,84,150,.05)}
    .point strong{display:block;color:var(--text);font-size:18px;line-height:1.2}
    .point span{font-size:13px;color:var(--muted)}
    .entrance-panel{background:rgba(255,255,255,.88);border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:var(--shadow);position:relative}
    .entrance-panel::before,.pixel-corner::before{content:"";position:absolute;width:10px;height:10px;background:var(--blue);right:18px;top:18px;box-shadow:12px 0 0 #91c4ff,0 12px 0 #cce5ff}
    .panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
    .panel-head b{font-size:18px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:900;border:1px solid var(--border);background:var(--cyan);color:var(--blue)}
    .step-list{display:grid;gap:10px}
    .step{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;background:var(--ice);border:1px solid var(--border);border-radius:16px;padding:12px;transition:.2s}
    .step:hover{transform:translateX(2px);border-color:#acd0fb;background:#fff}
    .num{width:34px;height:34px;background:#fff;border:1px solid var(--border);border-radius:10px;display:grid;place-items:center;color:var(--blue);font-weight:900;box-shadow:inset -3px -3px 0 rgba(47,111,235,.06)}
    .step p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
    .progress{height:12px;background:#e8f1fb;border-radius:999px;overflow:hidden;border:1px solid var(--border);margin-top:18px}
    .progress i{display:block;height:100%;width:78%;background:repeating-linear-gradient(90deg,var(--blue) 0 12px,#67a7ff 12px 20px)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-kicker{display:flex;align-items:center;gap:8px;color:var(--blue);font-weight:900;font-size:13px;margin-bottom:8px}
    .section-kicker::before{content:"";width:10px;height:10px;background:var(--blue);box-shadow:12px 0 0 #b7d8ff}
    h2{font-size:32px;line-height:1.25;margin:0;letter-spacing:-.03em}
    .section-head p{max-width:610px;color:var(--muted);margin:8px 0 0}
    .screenshot-wrap{position:relative}
    .carousel{display:flex;gap:22px;transition:transform .35s ease;will-change:transform}
    .shot{min-width:64%;background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:18px;position:relative}
    .shot::after{content:attr(data-label);position:absolute;top:18px;right:18px;background:#fff7e6;color:#a46100;border:1px solid #f7d79a;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:900}
    .shot-screen{height:280px;border-radius:18px;background:linear-gradient(180deg,#f7fbff,#fff);border:1px solid var(--border-2);padding:16px;display:grid;gap:12px}
    .screen-line{height:28px;background:var(--ice);border:1px solid var(--border);border-radius:10px}
    .screen-line:nth-child(2){width:82%}.screen-line:nth-child(3){width:92%}.screen-line:nth-child(4){width:70%;background:#eef8ff}
    .download-bar{height:18px;border-radius:999px;background:#dcecff;overflow:hidden;border:1px solid var(--border)}
    .download-bar i{display:block;height:100%;width:62%;background:var(--green)}
    .shot h3{font-size:21px;margin:16px 0 4px}
    .shot p{color:var(--muted);margin:0;font-size:15px}
    .carousel-controls{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px}
    .round-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--border);background:#fff;color:var(--blue);font-weight:900;box-shadow:0 8px 18px rgba(31,84,150,.06);transition:.2s}
    .round-btn:hover{background:var(--cyan);transform:translateY(-1px)}
    .dots{display:flex;gap:8px}
    .dot{width:9px;height:9px;background:#cbdcf0;border-radius:2px}
    .dot.active{background:var(--blue);width:22px}
    .requirements{background:linear-gradient(180deg,#fff,var(--ice));border-top:1px solid var(--border-2);border-bottom:1px solid var(--border-2)}
    .req-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
    .card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;transition:.22s ease;position:relative}
    .card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#b8d8fb}
    .check-list{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:10px;color:var(--muted);padding:10px 0;border-bottom:1px dashed var(--border-2)}
    .check-list li::before{content:"";width:9px;height:9px;background:var(--green);margin-top:9px;box-shadow:5px 0 0 rgba(34,197,94,.25);flex:0 0 auto}
    .req-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .mini{background:var(--ice);border:1px solid var(--border);border-radius:16px;padding:16px}
    .mini b{display:block;margin-bottom:5px}
    .mini span{color:var(--muted);font-size:14px}
    .compat{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#eef7ff;color:#255ec8;border:1px solid #d4e9ff;font-weight:800;font-size:13px}
    .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .viral-card{min-height:270px;background:linear-gradient(135deg,#fff,#eef7ff);border:1px solid var(--border);border-radius:26px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .viral-card::after{content:"";position:absolute;right:22px;bottom:22px;width:64px;height:64px;background:rgba(47,111,235,.08);box-shadow:16px 0 0 rgba(47,111,235,.06),0 16px 0 rgba(245,158,11,.12)}
    .viral-card h3{font-size:24px;margin:0 0 12px}
    .viral-card p{color:var(--muted);margin:0 0 16px}
    .invite-progress{display:grid;gap:13px}
    .invite-row{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}
    .invite-row small{display:block;color:var(--weak)}
    .rank-list{counter-reset:rank;display:grid;gap:12px}
    .rank-item{counter-increment:rank;display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px;box-shadow:0 8px 20px rgba(31,84,150,.05)}
    .rank-item::before{content:counter(rank);width:34px;height:34px;display:grid;place-items:center;background:var(--cyan);color:var(--blue);font-weight:900;border-radius:10px}
    .rank-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}
    .news-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:22px}
    .news-list{background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
    .news-row{display:grid;grid-template-columns:128px 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border-2);transition:.2s}
    .news-row:last-child{border-bottom:0}
    .news-row:hover{background:var(--ice)}
    .news-row time{color:var(--weak);font-size:13px}
    .news-row h3{margin:0 0 4px;font-size:18px}
    .news-row p{margin:0;color:var(--muted);font-size:14px}
    .news-row a{color:var(--blue);font-weight:900;white-space:nowrap}
    .topic-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .topic-cloud a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 11px;color:var(--muted);font-weight:800;font-size:13px;transition:.2s}
    .topic-cloud a:hover{background:var(--cyan);color:var(--blue)}
    .reviews{background:#fff}
    .review-wall{columns:3 280px;column-gap:18px}
    .review{break-inside:avoid;margin:0 0 18px;background:#fff;border:1px solid var(--border);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
    .review:nth-child(even){background:var(--ice)}
    .review-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
    .avatar{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#dcebff,#fff);border:1px solid var(--border);display:grid;place-items:center;color:var(--blue);font-weight:900;box-shadow:inset -4px -4px 0 rgba(47,111,235,.05)}
    .review b{display:block;line-height:1.2}.review small{color:var(--weak)}
    .review p{margin:10px 0 0;color:var(--muted)}
    .download-section{padding-top:20px}
    .download-panel{background:linear-gradient(135deg,#eaf5ff,#fff 58%,#f9fcff);border:1px solid var(--border);border-radius:30px;box-shadow:var(--shadow-hover);padding:34px;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;position:relative;overflow:hidden}
    .download-panel::before{content:"";position:absolute;left:0;top:0;right:0;height:8px;background:repeating-linear-gradient(90deg,var(--blue) 0 18px,#b8d9ff 18px 30px,var(--orange) 30px 38px)}
    .download-panel h2{font-size:34px}
    .download-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
    .meta-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:13px}
    .meta-box strong{display:block;color:var(--blue)}
    .meta-box span{font-size:13px;color:var(--muted)}
    .download-actions{display:grid;gap:12px}
    .download-actions .btn{width:100%}
    .safe-note{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0;border-radius:16px;padding:12px 14px;font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 8px 20px rgba(31,84,150,.05)}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:17px 18px;color:var(--text);font-weight:900}
    .faq-q span:last-child{color:var(--blue);font-size:22px;line-height:1}
    .faq-a{display:none;padding:0 18px 18px;color:var(--muted);border-left:4px solid var(--blue);margin:0 0 0 18px}
    .faq-item.open{background:var(--ice)}
    .faq-item.open .faq-a{display:block}
    .footer{background:#eef5fd;border-top:1px solid var(--border);padding:44px 0 26px;position:relative}
    .footer::before{content:"";position:absolute;left:0;top:0;right:0;height:6px;background:repeating-linear-gradient(90deg,#b8d9ff 0 18px,#fff 18px 26px,var(--blue) 26px 34px)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:28px}
    .footer p{color:var(--muted);margin:12px 0 0}
    .footer h3{font-size:15px;margin:0 0 12px}
    .footer a{display:block;color:var(--muted);margin:8px 0;font-size:14px}
    .footer a:hover{color:var(--blue)}
    .copyright{margin-top:28px;padding-top:18px;border-top:1px solid var(--border);color:var(--weak);font-size:13px}
    .mobile-panel{display:none}
    @media (max-width:1024px){
      .search{width:220px}
      h1{font-size:38px}
      .hero-content,.req-grid,.split-grid,.news-layout,.download-panel,.faq-grid{grid-template-columns:1fr}
      .hero-content{padding:110px 30px 34px}
      .shot{min-width:78%}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      section{padding:54px 0}
      .brand-row{min-height:62px}
      .logo-text{font-size:15px}
      .status-pill,.update-tip,.desktop-search{display:none}
      .menu-btn{display:block;margin-left:auto}
      .channel-row{display:none}
      .mobile-panel{display:none;border-top:1px solid var(--border-2);padding:12px 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel .search{display:block;width:100%;margin-bottom:12px}
      .mobile-links{display:grid;gap:8px}
      .mobile-links a{padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:12px;color:var(--muted);font-weight:800}
      .hero{padding-top:18px}
      .hero-stage{min-height:auto;border-radius:24px}
      .series-nav{left:14px;right:14px;top:14px}
      .series-nav span{display:none}
      .hero-content{padding:92px 18px 22px}
      h1{font-size:30px;word-break:break-word}
      h2{font-size:25px}
      .hero-desc{font-size:15px}
      .cta-row .btn{width:100%}
      .hero-points,.download-meta,.req-mini-grid{grid-template-columns:1fr}
      .step{grid-template-columns:34px 1fr}
      .step .badge{grid-column:2}
      .section-head{display:block}
      .shot{min-width:88%;padding:14px}
      .shot-screen{height:220px}
      .news-row{grid-template-columns:1fr;gap:6px}
      .rank-item{grid-template-columns:40px 1fr}
      .rank-item .badge{grid-column:2}
      .download-panel{padding:26px 18px}
      .review-wall{columns:1}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .hero-points{gap:8px}
      .btn{min-height:46px;padding:11px 14px}
      .panel-head{display:block}
      .entrance-panel{padding:16px}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FEB;
      --primary-2:#3B82F6;
      --primary-dark:#174EA6;
      --cyan-soft:#E6F3FF;
      --ice:#F5F9FF;
      --bg:#F7FAFF;
      --surface:#FFFFFF;
      --text:#172033;
      --muted:#5B667A;
      --weak:#8A94A6;
      --border:#D9E6F5;
      --border-2:#E5ECF6;
      --green:#22C55E;
      --orange:#F59E0B;
      --danger:#EF4444;
      --dark-panel:#10213F;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 10px 30px rgba(31,84,150,.08);
      --shadow-hover:0 18px 44px rgba(31,84,150,.14);
      --container:1220px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 44%,#F7FAFF 100%),
        radial-gradient(circle at 12px 12px,rgba(47,111,235,.08) 1px,transparent 1px);
      background-size:auto,24px 24px;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    input:focus,button:focus,a:focus{outline:3px solid rgba(47,111,235,.22);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.94);
      backdrop-filter:saturate(1.2) blur(14px);
      border-bottom:1px solid var(--border-2);
      transition:box-shadow var(--transition),border-color var(--transition),background var(--transition);
    }
    .site-header.is-scrolled{box-shadow:0 10px 28px rgba(31,84,150,.08);border-color:var(--border)}
    .brand-row{height:70px;display:flex;align-items:center;gap:16px}
    .logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em;color:var(--text);min-width:0}
    .logo:hover{color:var(--primary)}
    .logo-mark{
      width:34px;height:34px;display:inline-block;position:relative;flex:0 0 auto;
      background:linear-gradient(135deg,var(--primary),#7AB7FF);
      border:3px solid #DDEBFF;
      box-shadow:inset 0 0 0 3px rgba(255,255,255,.25),4px 4px 0 rgba(47,111,235,.16);
      border-radius:8px;
    }
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px}
    .logo-mark:before{width:12px;height:4px;left:8px;top:9px;box-shadow:6px 6px 0 rgba(255,255,255,.85)}
    .logo-mark:after{width:4px;height:12px;right:7px;bottom:7px}
    .logo-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .status-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:6px 10px;border:1px solid var(--border);border-radius:999px;
      color:var(--primary-dark);background:var(--cyan-soft);
      font-size:13px;font-weight:700;white-space:nowrap;
    }
    .pixel-dot{width:8px;height:8px;display:inline-block;background:var(--green);box-shadow:4px 0 0 rgba(34,197,94,.28),0 4px 0 rgba(34,197,94,.2)}
    .header-spacer{flex:1}
    .search{
      width:280px;height:40px;display:flex;align-items:center;gap:8px;
      padding:0 12px;border:1px solid var(--border);border-radius:14px;background:#fff;
      box-shadow:0 6px 20px rgba(31,84,150,.05);
    }
    .search input{border:0;outline:0;min-width:0;flex:1;color:var(--text);background:transparent;font-size:14px}
    .search span{color:var(--primary);font-weight:900}
    .update-tip{
      font-size:14px;color:var(--primary-dark);font-weight:700;padding:9px 12px;border-radius:12px;background:#F0F7FF;border:1px solid transparent;
    }
    .update-tip:hover{border-color:var(--border);background:#fff;transform:translateY(-1px)}
    .menu-btn{
      display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--primary);font-weight:900;
    }
    .channel-row{border-top:1px solid var(--border-2);background:rgba(245,249,255,.86)}
    .channel-inner{min-height:48px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
    .channel-inner::-webkit-scrollbar{display:none}
    .nav-link{
      display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:12px;
      color:var(--muted);font-size:14px;font-weight:800;white-space:nowrap;border:1px solid transparent;
    }
    .nav-link:hover{color:var(--primary);background:#fff;border-color:var(--border)}
    .nav-link.active{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(47,111,235,.22)}
    .trend{margin-left:auto;display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px;color:var(--weak)}
    .trend a{padding:5px 9px;border-radius:999px;color:var(--primary-dark);background:#fff;border:1px solid var(--border-2)}
    .trend a:hover{border-color:var(--primary);transform:translateY(-1px)}
    .mobile-panel{display:none;padding:0 0 14px}
    .mobile-links{display:grid;gap:8px;margin-top:12px}
    .mobile-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid var(--border);font-weight:800;color:var(--muted)}
    .mobile-links a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
    main{display:block}
    section{position:relative}
    .section-pad{padding:76px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--primary-dark);font-weight:900;font-size:14px;margin-bottom:8px;
    }
    .section-kicker:before{content:"";width:10px;height:10px;background:var(--primary);box-shadow:6px 6px 0 rgba(47,111,235,.18)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(30px,4.4vw,48px);line-height:1.16;font-weight:900;letter-spacing:-.04em;margin-bottom:18px}
    h2{font-size:clamp(25px,3vw,34px);line-height:1.22;font-weight:900;letter-spacing:-.03em;margin-bottom:10px}
    h3{font-size:19px;line-height:1.35;font-weight:900;margin-bottom:8px}
    p{color:var(--muted);font-size:16px}
    .lead{font-size:18px;color:#D7E8FF;max-width:660px}
    .btn-main,.btn-ghost,.btn-small{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:15px;font-weight:900;white-space:nowrap;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
    }
    .btn-main{padding:13px 20px;background:var(--primary);color:#fff;box-shadow:0 14px 24px rgba(47,111,235,.24)}
    .btn-main:hover{color:#fff;background:#1F5FDB;transform:translateY(-2px);box-shadow:0 20px 34px rgba(47,111,235,.28)}
    .btn-ghost{padding:12px 18px;background:#fff;color:var(--primary-dark);border:1px solid var(--border)}
    .btn-ghost:hover{background:var(--cyan-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn-small{padding:8px 12px;border-radius:12px;background:#F0F7FF;color:var(--primary-dark);border:1px solid var(--border);font-size:13px}
    .btn-small:hover{background:#fff;border-color:var(--primary);transform:translateY(-1px)}
    .badge-soft,.tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:800;
      background:#EDF6FF;color:var(--primary-dark);border:1px solid #D6EAFE;
    }
    .tag.green{background:#ECFDF3;color:#16803F;border-color:#CBF4DA}
    .tag.orange{background:#FFF7E8;color:#9A5D00;border-color:#FFE2A8}
    .pixel-corner{position:relative;overflow:hidden}
    .pixel-corner:after{
      content:"";position:absolute;right:16px;bottom:16px;width:8px;height:8px;background:var(--primary);
      box-shadow:8px 0 0 rgba(47,111,235,.22),0 8px 0 rgba(47,111,235,.16),8px 8px 0 rgba(245,158,11,.2);
      opacity:.75;transition:transform var(--transition);
    }
    .card-box{
      background:var(--surface);border:1px solid var(--border-2);border-radius:var(--radius);
      box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .card-box:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#BBD8FF}
    .hero-channel{
      padding:46px 0 34px;
      background:
        radial-gradient(circle at 88% 18%,rgba(59,130,246,.24),transparent 28%),
        linear-gradient(135deg,#0F1D36 0%,#102B55 58%,#174EA6 100%);
      color:#fff;
      overflow:hidden;
    }
    .hero-channel:before{
      content:"";position:absolute;inset:0;
      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:18px 18px;mask-image:linear-gradient(90deg,#000,transparent 92%);
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:28px;align-items:stretch}
    .breadcrumb-mini{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px;color:#BFD7FF;font-size:14px}
    .breadcrumb-mini a{color:#E8F3FF;font-weight:800}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .metric{
      padding:14px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.08);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
    }
    .metric strong{display:block;font-size:22px;line-height:1.1}
    .metric span{display:block;color:#BAD3F5;font-size:13px;margin-top:5px}
    .status-board{
      background:rgba(255,255,255,.96);color:var(--text);border-radius:24px;padding:18px;border:1px solid rgba(255,255,255,.45);
      box-shadow:0 24px 60px rgba(0,0,0,.18);
    }
    .board-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .board-title{font-weight:900}
    .rank-list{display:grid;gap:10px}
    .rank-row{
      display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:12px;border-radius:16px;background:#F6FAFF;border:1px solid var(--border-2);
    }
    .rank-no{width:26px;height:26px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:4px 4px 0 rgba(47,111,235,.14)}
    .rank-row b{display:block;font-size:14px}
    .rank-row small{color:var(--weak)}
    .progress-pixel{height:8px;background:#EAF2FF;border-radius:0;overflow:hidden;margin-top:12px}
    .progress-pixel span{display:block;height:100%;background:repeating-linear-gradient(90deg,var(--green) 0 10px,#6EE7A6 10px 18px);width:78%}
    .filter-strip{
      display:flex;gap:10px;align-items:center;overflow-x:auto;padding:12px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:var(--shadow);
      margin-bottom:20px;scrollbar-width:none;
    }
    .filter-strip::-webkit-scrollbar{display:none}
    .filter-chip{border:1px solid var(--border);background:#F8FBFF;color:var(--muted);padding:8px 12px;border-radius:999px;font-weight:800;font-size:14px;white-space:nowrap}
    .filter-chip.active,.filter-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
    .entry-list{display:grid;gap:14px}
    .entry-card{
      display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px;background:#fff;border:1px solid var(--border-2);
      border-radius:20px;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#AFCFFF}
    .entry-icon{
      width:44px;height:44px;border-radius:14px;background:#EAF4FF;color:var(--primary);display:grid;place-items:center;font-weight:900;
      box-shadow:5px 5px 0 rgba(47,111,235,.1);
    }
    .entry-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px}
    .entry-card p{margin-bottom:0;font-size:15px}
    .entry-cta{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
    .sidebar{display:grid;gap:16px;position:sticky;top:132px}
    .side-card{padding:18px;background:#fff;border:1px solid var(--border-2);border-radius:20px;box-shadow:var(--shadow)}
    .side-card h3{display:flex;align-items:center;gap:8px}
    .side-card h3:before{content:"";width:9px;height:9px;background:var(--orange);box-shadow:5px 5px 0 rgba(245,158,11,.2)}
    .hot-links{display:flex;flex-wrap:wrap;gap:8px}
    .hot-links a{font-size:13px;padding:7px 10px;border-radius:999px;background:#F3F8FF;border:1px solid var(--border);color:var(--primary-dark);font-weight:800}
    .hot-links a:hover{background:#fff;border-color:var(--primary)}
    .state-line{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--border)}
    .state-line:last-child{border-bottom:0}
    .state-line span{color:var(--muted)}
    .state-line b{color:var(--text)}
    .screens-wrap{background:linear-gradient(180deg,#FFFFFF 0%,#F1F7FF 100%);border-top:1px solid var(--border-2);border-bottom:1px solid var(--border-2)}
    .carousel-shell{position:relative}
    .screen-track{display:flex;gap:18px;overflow:hidden;padding:8px 4vw 26px}
    .screen-card{
      min-width:58%;background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:20px;position:relative;
    }
    .screen-card:nth-child(2){transform:scale(1.02)}
    .mock-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
    .mock-dots{display:flex;gap:6px}
    .mock-dots i{width:8px;height:8px;background:#C7DBF4;display:inline-block;border-radius:2px}
    .mock-lines{display:grid;gap:10px}
    .mock-line{height:14px;border-radius:4px;background:#EAF3FF}
    .mock-line.w70{width:70%}.mock-line.w52{width:52%}.mock-line.w86{width:86%}
    .mock-panel{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
    .mock-cell{padding:12px;border-radius:14px;background:#F7FBFF;border:1px solid var(--border-2)}
    .system-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px}
    .req-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .req-list li{display:flex;gap:12px;align-items:flex-start;padding:13px;border-radius:15px;background:#F7FBFF;border:1px solid var(--border-2)}
    .check{width:18px;height:18px;flex:0 0 auto;margin-top:4px;background:var(--green);box-shadow:4px 4px 0 rgba(34,197,94,.16)}
    .compat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .reviews-grid{display:grid;grid-template-columns:1fr 1.1fr .95fr;gap:16px;align-items:start}
    .review-card{padding:18px;border-radius:20px;border:1px solid var(--border-2);box-shadow:var(--shadow);background:#fff}
    .review-card:nth-child(2),.review-card:nth-child(5){background:#F3F9FF;margin-top:24px}
    .review-user{display:flex;align-items:center;gap:12px;margin-bottom:10px}
    .avatar{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#91C5FF);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:4px 4px 0 rgba(47,111,235,.14)}
    .review-user b{display:block}.review-user small{color:var(--weak)}
    .download-panel{
      padding:34px;border-radius:28px;background:
        radial-gradient(circle at 88% 20%,rgba(47,111,235,.15),transparent 28%),
        linear-gradient(135deg,#FFFFFF,#EFF7FF);
      border:1px solid #CFE3FF;box-shadow:0 20px 60px rgba(31,84,150,.12);
      display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
    }
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .safe-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--border-2);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;padding:18px 20px;background:#fff;border:0;
      font-weight:900;color:var(--text);
    }
    .faq-q span:last-child{color:var(--primary);font-size:22px;line-height:1}
    .faq-a{display:none;padding:0 20px 18px;border-left:4px solid var(--primary);background:#F7FBFF;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{background:#F7FBFF;color:var(--primary-dark)}
    .footer{background:#EEF5FF;border-top:1px solid var(--border);padding:48px 0 24px;position:relative}
    .footer:before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:repeating-linear-gradient(90deg,var(--primary) 0 10px,transparent 10px 18px,#B9D8FF 18px 26px,transparent 26px 34px)}
    .footer-grid{display:grid;grid-template-columns:1.35fr .85fr .85fr .85fr;gap:28px}
    .footer p{max-width:360px;margin:14px 0 0;font-size:14px}
    .footer h3{font-size:16px;margin-bottom:12px}
    .footer a:not(.logo){display:block;color:var(--muted);font-size:14px;margin:7px 0}
    .footer a:not(.logo):hover{color:var(--primary);transform:translateX(2px)}
    .copyright{margin-top:30px;padding-top:18px;border-top:1px solid var(--border);color:var(--weak);font-size:13px}
    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .desktop-search,.update-tip{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .hero-grid,.content-layout,.system-grid,.download-panel{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .screen-card{min-width:76%}
      .reviews-grid{grid-template-columns:1fr 1fr}
      .trend{margin-left:0}
      .channel-inner{padding:7px 0}
    }
    @media (max-width:768px){
      .brand-row{height:62px;gap:10px}
      .logo-text{font-size:15px;max-width:200px}
      .status-pill{display:none}
      .channel-row{display:none}
      .hero-channel{padding:34px 0 28px}
      .hero-metrics{grid-template-columns:1fr}
      .entry-card{grid-template-columns:44px 1fr}
      .entry-cta{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:flex-start}
      .sidebar,.reviews-grid,.footer-grid{grid-template-columns:1fr}
      .screen-track{padding-left:0;padding-right:0;overflow-x:auto;scroll-snap-type:x mandatory}
      .screen-card{min-width:88%;scroll-snap-align:center}
      .section-pad{padding:54px 0}
      .section-head{display:block}
      .download-actions{justify-content:flex-start}
      .btn-main,.btn-ghost{width:100%}
      .footer{padding-top:42px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 24px)}
      h1{font-size:29px}
      h2{font-size:24px}
      .hero-actions{display:grid}
      .status-board,.download-panel{border-radius:20px;padding:18px}
      .rank-row{grid-template-columns:30px 1fr}
      .rank-row .tag{grid-column:2}
      .mock-panel{grid-template-columns:1fr}
      .filter-strip{border-radius:14px}
    }