/* roulang page: index */
:root{
      --primary:#5b5cf6;
      --primary-strong:#4338ca;
      --primary-soft:#eef2ff;
      --secondary:#14b8a6;
      --accent:#f59e0b;
      --ink:#111827;
      --text:#334155;
      --muted:#64748b;
      --weak:#94a3b8;
      --line:#e2e8f0;
      --bg:#f7f8fc;
      --card:#ffffff;
      --dark:#0f172a;
      --dark-soft:#18233a;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --shadow-sm:0 8px 24px rgba(15,23,42,.06);
      --shadow:0 20px 55px rgba(15,23,42,.10);
      --shadow-xl:0 28px 80px rgba(67,56,202,.18);
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(91,92,246,.12), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(20,184,166,.12), transparent 28%),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 44%,#ffffff 100%);
      font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(91,92,246,.22);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      color:var(--primary-strong);background:rgba(91,92,246,.10);
      border:1px solid rgba(91,92,246,.18);
      font-size:13px;font-weight:700;letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";width:7px;height:7px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(91,92,246,.10);
    }
    .section-title{
      margin:16px 0 12px;
      color:var(--ink);
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-desc{
      color:var(--muted);
      max-width:760px;
      font-size:17px;
      line-height:1.9;
    }

    .site-header{
      position:sticky;top:0;z-index:80;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(226,232,240,.82);
    }
    .brand-row{
      display:flex;align-items:center;justify-content:space-between;
      min-height:76px;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;color:#fff;font-weight:900;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),rgba(255,255,255,0)),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 32px rgba(91,92,246,.25);
      flex:0 0 auto;
    }
    .brand-name{
      color:var(--ink);font-size:19px;font-weight:900;letter-spacing:-.03em;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    }
    .brand-sub{font-size:12px;color:var(--muted);margin-top:-2px}
    .brand-tools{display:flex;align-items:center;gap:12px}
    .search-box{
      width:300px;display:flex;align-items:center;gap:10px;
      padding:11px 14px;border:1px solid var(--line);
      border-radius:999px;background:#fff;color:var(--weak);
      box-shadow:var(--shadow-sm);
    }
    .search-box input{
      border:0;outline:0;background:transparent;width:100%;
      color:var(--text);font-size:14px;
    }
    .search-box input::placeholder{color:#94a3b8}
    .nav-cta,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:44px;padding:0 18px;border-radius:999px;
      border:1px solid transparent;font-weight:800;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-strong));
      box-shadow:0 14px 34px rgba(91,92,246,.28);
    }
    .btn-primary:hover,.nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(91,92,246,.34)}
    .btn-secondary{
      color:var(--primary-strong);background:#fff;border-color:rgba(91,92,246,.22);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(91,92,246,.45);box-shadow:var(--shadow)}
    .btn-ghost{
      color:var(--text);background:rgba(255,255,255,.74);border-color:var(--line);
    }
    .btn-ghost:hover{color:var(--primary-strong);border-color:rgba(91,92,246,.3);background:#fff}
    .menu-toggle{
      width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
      background:#fff;display:none;align-items:center;justify-content:center;color:var(--ink);
      box-shadow:var(--shadow-sm);
    }
    .channel-row{border-top:1px solid rgba(226,232,240,.72)}
    .channel-nav{
      display:flex;align-items:center;gap:10px;min-height:52px;overflow-x:auto;
      scrollbar-width:none;
    }
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-link{
      display:inline-flex;align-items:center;gap:8px;padding:9px 15px;
      border-radius:999px;color:var(--muted);font-size:14px;font-weight:800;
      border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
    }
    .channel-link:hover{color:var(--primary-strong);background:var(--primary-soft)}
    .channel-link.active{color:#fff;background:var(--dark);box-shadow:0 10px 24px rgba(15,23,42,.16)}
    .channel-link .dot{width:6px;height:6px;border-radius:999px;background:var(--secondary)}

    .hero{padding:76px 0 92px;position:relative}
    .hero::after{
      content:"";position:absolute;right:-120px;top:70px;width:360px;height:360px;
      background:radial-gradient(circle,rgba(20,184,166,.18),transparent 62%);
      pointer-events:none;
    }
    .hero-layout{
      display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center;
    }
    .hero h1{
      margin:18px 0 18px;color:var(--ink);
      font-size:clamp(38px,5.6vw,68px);
      line-height:1.06;letter-spacing:-.065em;font-weight:950;
    }
    .hero-lead{
      max-width:560px;font-size:18px;line-height:1.95;color:var(--text);
      margin:0 0 26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 30px}
    .hero-kpis{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:560px;
    }
    .kpi{
      padding:16px 14px;border:1px solid rgba(226,232,240,.9);
      border-radius:18px;background:rgba(255,255,255,.82);
      box-shadow:var(--shadow-sm);
    }
    .kpi strong{display:block;color:var(--ink);font-size:24px;line-height:1;font-weight:950}
    .kpi span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.45}

    .hero-art{
      position:relative;min-height:520px;perspective:1100px;
    }
    .dp-cover{
      position:absolute;inset:20px 0 0 18px;border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.62)),
        radial-gradient(circle at 18% 12%,rgba(91,92,246,.22),transparent 38%),
        radial-gradient(circle at 92% 18%,rgba(20,184,166,.20),transparent 36%);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow-xl);
      transform:rotate(-3.5deg) translateX(18px);
      overflow:hidden;
    }
    .dp-cover::before{
      content:"";position:absolute;inset:0;
      background-image:linear-gradient(rgba(15,23,42,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 1px);
      background-size:34px 34px;mask-image:linear-gradient(180deg,#000,transparent 82%);
      pointer-events:none;
    }
    .cover-inner{position:relative;padding:30px;height:100%;display:grid;grid-template-rows:auto 1fr auto;gap:18px}
    .cover-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .cover-title{color:var(--ink);font-size:18px;font-weight:950}
    .pill{
      display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;
      font-size:12px;font-weight:800;color:var(--primary-strong);background:rgba(91,92,246,.11);
      border:1px solid rgba(91,92,246,.18);
    }
    .cover-main{
      display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch;
    }
    .preview-panel{
      min-height:288px;border-radius:26px;padding:22px;position:relative;overflow:hidden;
      background:linear-gradient(145deg,#0f172a,#1e293b);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .preview-panel::after{
      content:"";position:absolute;left:14%;right:14%;bottom:25%;
      height:9px;border-radius:999px;background:rgba(255,255,255,.22);
      box-shadow:0 28px 0 rgba(255,255,255,.15),0 56px 0 rgba(255,255,255,.10);
    }
    .play-orb{
      position:absolute;left:50%;top:43%;transform:translate(-50%,-50%);
      width:74px;height:74px;border-radius:50%;display:grid;place-items:center;
      background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(8px);color:#fff;
    }
    .side-stack{display:grid;gap:14px}
    .mini-card{
      border-radius:22px;padding:18px;background:rgba(255,255,255,.76);
      border:1px solid rgba(226,232,240,.82);
      box-shadow:var(--shadow-sm);
    }
    .mini-card b{display:block;color:var(--ink);font-size:18px;margin-bottom:5px}
    .mini-card span{color:var(--muted);font-size:13px;line-height:1.55}
    .cover-bottom{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
    }
    .status-chip{
      padding:14px;border-radius:18px;background:rgba(255,255,255,.74);
      border:1px solid rgba(226,232,240,.82);
    }
    .status-chip em{font-style:normal;color:var(--weak);font-size:12px}
    .status-chip strong{display:block;color:var(--ink);font-size:17px}
    .float-card{
      position:absolute;z-index:2;right:-6px;bottom:34px;width:230px;
      border-radius:24px;background:#fff;border:1px solid rgba(226,232,240,.86);
      box-shadow:0 22px 52px rgba(15,23,42,.16);padding:18px;
      transform:rotate(5deg);
    }
    .float-card .bar{height:8px;border-radius:999px;background:#e2e8f0;overflow:hidden;margin:14px 0 10px}
    .float-card .bar i{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--secondary),var(--primary));border-radius:inherit}

    .stage-wrap{
      border-radius:34px;padding:24px;background:
        linear-gradient(135deg,rgba(15,23,42,.96),rgba(30,41,59,.94));
      box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .stage-wrap::before{
      content:"";position:absolute;inset:auto -80px -120px auto;width:340px;height:340px;
      border-radius:50%;background:rgba(91,92,246,.26);filter:blur(12px);
    }
    .stage-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;position:relative;z-index:1}
    .stage-head .section-title{color:#fff}
    .stage-head .section-desc{color:#cbd5e1}
    .browser{
      position:relative;z-index:1;margin-top:24px;border-radius:26px;overflow:hidden;
      background:#f8fafc;border:1px solid rgba(255,255,255,.12);
      box-shadow:0 26px 70px rgba(0,0,0,.28);
    }
    .browser-bar{height:48px;background:#111827;display:flex;align-items:center;gap:8px;padding:0 18px}
    .browser-bar span{width:11px;height:11px;border-radius:50%;background:#ef4444}
    .browser-bar span:nth-child(2){background:#f59e0b}
    .browser-bar span:nth-child(3){background:#22c55e}
    .browser-grid{display:grid;grid-template-columns:1fr 320px;gap:0;min-height:430px}
    .canvas{padding:26px;background:linear-gradient(180deg,#fff,#f8fafc)}
    .canvas-title{height:34px;width:52%;border-radius:999px;background:#e0e7ff;margin-bottom:18px}
    .caption-lines{display:grid;gap:12px;margin-top:22px}
    .caption-lines i{height:14px;border-radius:999px;background:#e2e8f0}
    .caption-lines i:nth-child(1){width:92%}.caption-lines i:nth-child(2){width:76%}.caption-lines i:nth-child(3){width:84%}
    .waveform{height:170px;border-radius:24px;background:linear-gradient(135deg,#1e293b,#0f172a);padding:22px;display:flex;align-items:end;gap:8px}
    .waveform b{display:block;flex:1;border-radius:999px 999px 4px 4px;background:linear-gradient(180deg,#14b8a6,#5b5cf6);opacity:.88}
    .side-panel{padding:24px;background:#f1f5f9;border-left:1px solid #e2e8f0}
    .side-panel h3{color:var(--ink);font-size:19px;font-weight:950;margin-bottom:14px}
    .check-list{display:grid;gap:12px}
    .check-item{
      display:flex;gap:10px;align-items:flex-start;padding:13px;border-radius:16px;background:#fff;border:1px solid #e2e8f0;
      color:var(--text);font-size:14px;
    }
    .check-item svg{width:18px;height:18px;color:var(--secondary);flex:0 0 auto;margin-top:3px}

    .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
    .metric-card{
      padding:24px;border-radius:24px;background:#fff;border:1px solid rgba(226,232,240,.9);
      box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(91,92,246,.24)}
    .metric-card strong{display:block;color:var(--ink);font-size:34px;line-height:1;font-weight:950;letter-spacing:-.04em}
    .metric-card span{display:block;color:var(--muted);font-size:14px;margin-top:10px}
    .metric-card p{margin-top:12px;color:var(--text);font-size:14px;line-height:1.65}

    .matrix{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:32px;align-items:stretch;
    }
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature-card,.info-card,.review-card,.news-card{
      background:rgba(255,255,255,.9);border:1px solid rgba(226,232,240,.92);
      border-radius:24px;box-shadow:var(--shadow-sm);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .feature-card{padding:24px}
    .feature-card:hover,.review-card:hover,.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(91,92,246,.24)}
    .feature-icon{
      width:44px;height:44px;border-radius:16px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));
      margin-bottom:15px;box-shadow:0 12px 26px rgba(91,92,246,.22);
    }
    .feature-card h3,.info-card h3{color:var(--ink);font-size:19px;font-weight:950;margin-bottom:8px}
    .feature-card p,.info-card p{font-size:15px;color:var(--muted);line-height:1.75}
    .info-card{padding:28px;background:linear-gradient(180deg,#fff,#f8fafc)}
    .info-list{display:grid;gap:14px;margin-top:20px}
    .info-list li{
      display:flex;gap:12px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);
      color:var(--text);font-size:15px;line-height:1.65;
    }
    .num-badge{
      width:28px;height:28px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
      color:#fff;background:var(--dark);font-size:13px;font-weight:900;
    }

    .steps-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
    .step-timeline{position:relative;display:grid;gap:18px}
    .step-timeline::before{
      content:"";position:absolute;left:27px;top:20px;bottom:20px;width:2px;background:linear-gradient(var(--primary),var(--secondary));
    }
    .step-card{
      position:relative;display:grid;grid-template-columns:56px 1fr;gap:16px;
      padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
    }
    .step-no{
      position:relative;z-index:1;width:56px;height:56px;border-radius:20px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));font-weight:950;
      box-shadow:0 12px 28px rgba(91,92,246,.24);
    }
    .step-card h3{color:var(--ink);font-size:20px;font-weight:950;margin-bottom:6px}
    .step-card p{color:var(--muted);font-size:15px;line-height:1.75}
    .note-panel{
      border-radius:30px;padding:30px;background:
        linear-gradient(135deg,rgba(91,92,246,.11),rgba(20,184,166,.12)),
        #fff;
      border:1px solid rgba(91,92,246,.16);box-shadow:var(--shadow);
    }
    .note-panel h3{color:var(--ink);font-size:25px;font-weight:950;margin:14px 0 10px}
    .note-panel p{color:var(--text);font-size:16px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{
      display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;
      color:var(--text);background:#fff;border:1px solid var(--line);
      font-size:13px;font-weight:800;
    }

    .compare-table{
      margin-top:30px;overflow:hidden;border-radius:28px;border:1px solid var(--line);
      background:#fff;box-shadow:var(--shadow);
    }
    .compare-row{
      display:grid;grid-template-columns:1fr 1fr 1fr;min-height:72px;border-bottom:1px solid var(--line);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{
      padding:20px 22px;display:flex;align-items:center;color:var(--text);font-size:15px;line-height:1.7;
      border-right:1px solid var(--line);
    }
    .compare-cell:last-child{border-right:0}
    .compare-head .compare-cell{background:#0f172a;color:#fff;font-weight:950;font-size:16px}
    .compare-cell.highlight{background:#f8fafc;color:var(--ink);font-weight:800}
    .compare-cell.good{color:#065f46;background:#ecfdf5}
    .compare-cell.normal{color:#7c2d12;background:#fff7ed}

    .reviews{
      display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;margin-top:30px;
    }
    .review-card{padding:24px}
    .stars{color:#f59e0b;letter-spacing:2px;margin-bottom:12px}
    .review-card p{color:var(--text);font-size:15px;line-height:1.85}
    .reviewer{display:flex;align-items:center;gap:12px;margin-top:18px}
    .avatar{
      width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),#ccfbf1);color:var(--primary-strong);font-weight:950;
    }
    .reviewer b{display:block;color:var(--ink);font-size:15px}
    .reviewer span{display:block;color:var(--weak);font-size:13px}

    .media-scroll{
      display:flex;gap:16px;overflow-x:auto;padding:6px 2px 18px;margin-top:30px;
      scroll-snap-type:x mandatory;
    }
    .media-scroll::-webkit-scrollbar{height:8px}
    .media-scroll::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px}
    .media-card{
      min-width:280px;scroll-snap-align:start;border-radius:24px;
      border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);
      padding:20px;transition:all .2s ease;
    }
    .media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .media-type{
      display:inline-flex;padding:6px 10px;border-radius:999px;background:#f1f5f9;
      color:var(--primary-strong);font-size:12px;font-weight:900;margin-bottom:14px;
    }
    .media-card h3{color:var(--ink);font-size:18px;font-weight:950;margin-bottom:8px}
    .media-card p{color:var(--muted);font-size:14px;line-height:1.7}

    .faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:32px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;background:#fff;color:var(--ink);border:0;text-align:left;
      font-weight:950;font-size:16px;
    }
    .faq-question:hover{background:#f8fafc;color:var(--primary-strong)}
    .faq-question:focus-visible,.btn:focus-visible,.channel-link:focus-visible,.nav-cta:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(91,92,246,.22);outline-offset:3px;
    }
    .faq-icon{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary-strong);flex:0 0 auto}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{background:var(--primary);color:#fff}
    .faq-side{
      padding:28px;border-radius:28px;background:var(--dark);color:#fff;position:sticky;top:150px;
      box-shadow:var(--shadow);
    }
    .faq-side h3{font-size:24px;font-weight:950;margin-bottom:10px}
    .faq-side p{color:#cbd5e1}
    .faq-side .tag{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#e2e8f0}

    .news-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:24px;margin-top:30px}
    .news-list{
      background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow-sm);
    }
    .news-item{
      display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;
      padding:20px 22px;border-bottom:1px solid var(--line);transition:background .2s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f8fafc}
    .news-date{color:var(--weak);font-size:13px;font-weight:800}
    .news-item a{color:var(--ink);font-size:17px;font-weight:950}
    .news-item a:hover{color:var(--primary-strong)}
    .news-item p{margin-top:5px;color:var(--muted);font-size:14px;line-height:1.65}
    .arrow{
      width:36px;height:36px;border-radius:14px;display:grid;place-items:center;
      color:var(--primary-strong);background:var(--primary-soft);
    }
    .news-aside{
      border-radius:28px;padding:24px;background:
        linear-gradient(135deg,rgba(91,92,246,.12),rgba(20,184,166,.10)),
        #fff;
      border:1px solid rgba(91,92,246,.16);box-shadow:var(--shadow-sm);
    }
    .news-aside h3{color:var(--ink);font-size:22px;font-weight:950;margin-bottom:12px}
    .rank-list{display:grid;gap:12px;margin-top:18px}
    .rank-list li{display:flex;gap:12px;align-items:flex-start}
    .rank-list b{
      width:26px;height:26px;border-radius:10px;background:#fff;display:grid;place-items:center;
      color:var(--primary-strong);box-shadow:var(--shadow-sm);flex:0 0 auto;
    }
    .rank-list span{color:var(--text);font-size:14px;line-height:1.65}

    .download{
      padding:72px 0 86px;
    }
    .download-card{
      display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:stretch;
      border-radius:36px;padding:34px;background:
        linear-gradient(135deg,rgba(15,23,42,.96),rgba(67,56,202,.88));
      color:#fff;box-shadow:var(--shadow-xl);position:relative;overflow:hidden;
    }
    .download-card::before{
      content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;border-radius:50%;
      background:rgba(20,184,166,.34);filter:blur(8px);
    }
    .download-content{position:relative;z-index:1}
    .download-content .eyebrow{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:#dbeafe}
    .download-content .section-title{color:#fff}
    .download-content .section-desc{color:#dbe4f0}
    .benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px;max-width:720px}
    .benefit{
      padding:15px;border-radius:18px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);
      color:#e2e8f0;font-size:14px;line-height:1.65;
    }
    .lead-form{
      position:relative;z-index:1;background:#fff;color:var(--text);border-radius:28px;padding:24px;
      box-shadow:0 24px 60px rgba(0,0,0,.22);
    }
    .lead-form h3{color:var(--ink);font-size:22px;font-weight:950;margin-bottom:6px}
    .lead-form p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .form-grid{display:grid;gap:12px}
    .field label{display:block;color:var(--ink);font-size:13px;font-weight:900;margin-bottom:7px}
    .field input,.field textarea,.field select{
      width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 14px;
      background:#f8fafc;color:var(--text);outline:0;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(91,92,246,.55);background:#fff;box-shadow:0 0 0 4px rgba(91,92,246,.10);
    }
    .form-note{color:var(--weak);font-size:12px;line-height:1.6;margin-top:12px}

    .site-footer{
      background:#0b1120;color:#cbd5e1;padding:54px 0 28px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:32px}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-brand b{color:#fff;font-size:18px;font-weight:950}
    .footer-text{max-width:520px;color:#94a3b8;font-size:14px;line-height:1.85}
    .footer-col h3{color:#fff;font-size:15px;font-weight:950;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#94a3b8;font-size:14px;transition:color .2s ease}
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      margin-top:36px;padding-top:22px;border-top:1px solid rgba(148,163,184,.16);
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:#64748b;font-size:13px;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .hero-layout,.steps-wrap,.matrix,.faq-layout,.news-layout,.download-card{grid-template-columns:1fr}
      .hero-art{min-height:500px}
      .dp-cover{inset:10px 8px 0 0;transform:rotate(-2deg)}
      .float-card{right:16px}
      .metrics-grid{grid-template-columns:repeat(2,1fr)}
      .browser-grid{grid-template-columns:1fr}
      .side-panel{border-left:0;border-top:1px solid #e2e8f0}
      .stage-head{display:block}
      .faq-side{position:relative;top:auto}
      .brand-tools .search-box{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .section{padding:66px 0}
      .hero{padding:48px 0 70px}
      .brand-row{min-height:68px}
      .brand-sub{display:none}
      .brand-name{font-size:16px;max-width:210px}
      .menu-toggle{display:flex}
      .brand-tools .nav-cta{display:none}
      .channel-row{display:none}
      .channel-row.open{display:block}
      .channel-nav{padding:10px 0 14px;align-items:stretch;flex-direction:column;overflow:visible}
      .channel-link{width:100%;justify-content:flex-start;border:1px solid var(--line);background:#fff}
      .hero-kpis,.cover-bottom,.benefits{grid-template-columns:1fr}
      .cover-main,.feature-grid,.reviews{grid-template-columns:1fr}
      .hero-art{min-height:650px}
      .dp-cover{position:relative;inset:auto;min-height:590px;transform:none}
      .cover-inner{padding:20px}
      .float-card{position:relative;right:auto;bottom:auto;width:auto;margin:16px 12px 0;transform:none}
      .preview-panel{min-height:230px}
      .compare-row{grid-template-columns:1fr}
      .compare-cell{border-right:0;border-bottom:1px solid var(--line)}
      .compare-cell:last-child{border-bottom:0}
      .news-item{grid-template-columns:1fr;gap:8px}
      .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .download-card{padding:24px;border-radius:28px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 24px)}
      .section-title{font-size:30px}
      .hero h1{font-size:39px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .metrics-grid{grid-template-columns:1fr}
      .stage-wrap{padding:16px;border-radius:28px}
      .browser{border-radius:20px}
      .canvas,.side-panel{padding:18px}
      .review-card,.feature-card,.info-card,.lead-form{border-radius:20px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }