/* roulang page: index */
:root{
      --primary:#1f65d6;
      --primary-700:#164eaa;
      --primary-050:#eef6ff;
      --secondary:#76a9ff;
      --accent:#8c6bff;
      --success:#20b486;
      --warning:#ffb545;
      --danger:#e84b60;
      --ink:#0f1f36;
      --text:#27364d;
      --muted:#64748b;
      --light:#f7faff;
      --card:#ffffff;
      --line:#dce7f7;
      --line-soft:#edf3fb;
      --shadow-sm:0 8px 22px rgba(31,101,214,.08);
      --shadow-md:0 18px 48px rgba(31,101,214,.13);
      --shadow-lg:0 26px 76px rgba(15,31,54,.18);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --container:1180px;
      --nav-h:76px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at top left, rgba(118,169,255,.22), transparent 35%),
        linear-gradient(180deg,#fbfdff 0%,#f4f8ff 54%,#ffffff 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0}
    ::selection{background:rgba(31,101,214,.18);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(31,101,214,.28);outline-offset:3px;border-radius:10px}

    .site-container{width:min(var(--container),calc(100% - 36px));margin-inline:auto}
    .section{padding:86px 0;position:relative}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(31,101,214,.08);color:var(--primary-700);
      border:1px solid rgba(31,101,214,.14);
      font-size:13px;font-weight:700;letter-spacing:.03em;
    }
    .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(32,180,134,.13)}
    .section-title{
      margin:14px 0 14px;
      font-size:clamp(30px,4vw,48px);
      line-height:1.16;
      letter-spacing:-.04em;
      color:var(--ink);
      font-weight:850;
    }
    .section-lead{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .text-gradient{
      background:linear-gradient(90deg,var(--primary),var(--accent));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }

    .btn-neo{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:12px 20px;border-radius:999px;
      background:var(--primary);color:#fff!important;font-weight:800;
      box-shadow:0 14px 28px rgba(31,101,214,.22);
      border:1px solid rgba(255,255,255,.28);
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-neo:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 18px 38px rgba(31,101,214,.28)}
    .btn-neo:active{transform:translateY(0);box-shadow:0 8px 20px rgba(31,101,214,.18)}
    .btn-soft{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:12px 20px;border-radius:999px;
      background:#fff;color:var(--primary-700)!important;font-weight:800;
      border:1px solid var(--line);box-shadow:var(--shadow-sm);
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-soft:hover{border-color:rgba(31,101,214,.32);transform:translateY(-2px);box-shadow:var(--shadow-md)}
    .btn-ghost{
      display:inline-flex;align-items:center;gap:8px;
      min-height:44px;padding:10px 15px;border-radius:999px;
      background:rgba(255,255,255,.68);border:1px solid rgba(255,255,255,.45);
      color:#fff!important;font-weight:750;backdrop-filter:blur(12px);
    }
    .btn-ghost:hover{background:#fff;color:var(--primary)!important;transform:translateY(-2px)}

    .site-header{
      position:sticky;top:0;z-index:1000;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,231,247,.84);
      box-shadow:0 10px 34px rgba(15,31,54,.05);
    }
    .navbar{min-height:var(--nav-h);padding:12px 0}
    .brand-logo{
      display:flex;align-items:center;gap:12px;font-weight:900;
      color:var(--ink);letter-spacing:-.02em;max-width:58vw;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;flex:0 0 auto;
      color:#fff;background:
        linear-gradient(135deg,#1f65d6,#76a9ff 58%,#8c6bff);
      box-shadow:0 14px 30px rgba(31,101,214,.25);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:8px 7px auto auto;width:12px;height:12px;
      border-radius:50%;background:rgba(255,255,255,.55);
    }
    .brand-text{font-size:18px;line-height:1.15}
    .age-mini{
      display:inline-flex;align-items:center;justify-content:center;
      width:34px;height:26px;border-radius:999px;
      background:#eef6ff;border:1px solid rgba(31,101,214,.15);
      color:var(--primary-700);font-size:12px;font-weight:900;margin-left:8px;
    }
    .navbar-nav .nav-link{
      color:var(--muted);font-weight:780;border-radius:999px;
      padding:10px 14px!important;
    }
    .navbar-nav .nav-link:hover{background:var(--primary-050);color:var(--primary-700)}
    .navbar-nav .nav-link.active{background:var(--primary);color:#fff!important;box-shadow:0 10px 22px rgba(31,101,214,.2)}
    .navbar-toggler{
      border:1px solid var(--line);border-radius:14px;padding:8px 10px;background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(31,101,214,.15)}

    .progress-nav-wrap{border-top:1px solid rgba(220,231,247,.7);background:rgba(247,250,255,.78)}
    .progress-steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
      padding:12px 0;
    }
    .progress-step{
      display:flex;align-items:center;gap:10px;
      padding:10px 12px;border-radius:16px;
      background:#fff;border:1px solid var(--line-soft);
      box-shadow:0 6px 18px rgba(31,101,214,.05);
      color:var(--text);
    }
    .progress-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:rgba(31,101,214,.2)}
    .step-num{
      width:28px;height:28px;border-radius:10px;display:grid;place-items:center;
      background:var(--primary-050);color:var(--primary);font-weight:900;font-size:13px;
      flex:0 0 auto;
    }
    .step-text{font-size:14px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

    .hero{
      min-height:680px;
      padding:92px 0 78px;
      position:relative;isolation:isolate;overflow:hidden;
      background:
        linear-gradient(180deg,rgba(9,26,58,.12),rgba(247,250,255,.98) 88%),
        radial-gradient(circle at 20% 22%,rgba(118,169,255,.45),transparent 32%),
        linear-gradient(135deg,#0d2b64 0%,#1f65d6 48%,#8c6bff 100%);
    }
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-2;
      background:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
    }
    .hero-video-mask{
      position:absolute;inset:0;z-index:-1;opacity:.72;
      background:
        radial-gradient(circle at 82% 18%,rgba(255,255,255,.5),transparent 18%),
        radial-gradient(circle at 12% 74%,rgba(32,180,134,.28),transparent 20%),
        linear-gradient(115deg,rgba(10,34,78,.92),rgba(31,101,214,.42),rgba(140,107,255,.64));
      clip-path:polygon(0 0,100% 0,100% 78%,78% 88%,44% 80%,0 94%);
    }
    .hero-stage{
      color:#fff;
      display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center;
    }
    .hero-panel{
      max-width:760px;
      padding:34px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.08));
      border:1px solid rgba(255,255,255,.24);
      box-shadow:var(--shadow-lg);
      backdrop-filter:blur(14px);
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:clamp(40px,6vw,72px);
      line-height:1.02;
      letter-spacing:-.06em;
      font-weight:950;
      color:#fff;
    }
    .hero-desc{
      font-size:18px;line-height:1.85;color:rgba(255,255,255,.86);
      max-width:680px;margin:0 0 26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
    .hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-point{
      min-width:150px;
      padding:13px 15px;border-radius:18px;
      background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);
    }
    .hero-point strong{display:block;font-size:24px;line-height:1.1;color:#fff;font-weight:950}
    .hero-point span{font-size:13px;color:rgba(255,255,255,.74);font-weight:700}
    .live-cover{
      min-height:430px;border-radius:34px;position:relative;overflow:hidden;
      background:
        linear-gradient(180deg,rgba(15,31,54,.15),rgba(15,31,54,.72)),
        radial-gradient(circle at 78% 20%,rgba(255,255,255,.7),transparent 15%),
        linear-gradient(135deg,#dcebff,#78a8ff 45%,#2d62c4 100%);
      border:1px solid rgba(255,255,255,.34);
      box-shadow:0 30px 80px rgba(4,18,44,.28);
    }
    .cover-ribbons{
      position:absolute;inset:28px;
      display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:end;
    }
    .cover-card{
      padding:16px;border-radius:22px;background:rgba(255,255,255,.2);
      border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(16px);
      color:#fff;
    }
    .cover-card b{display:block;font-size:20px}
    .cover-card span{font-size:13px;color:rgba(255,255,255,.76)}
    .play-button{
      position:absolute;left:50%;top:43%;transform:translate(-50%,-50%);
      width:88px;height:88px;border-radius:50%;
      display:grid;place-items:center;cursor:pointer;
      background:rgba(255,255,255,.92);color:var(--primary);
      box-shadow:0 22px 55px rgba(0,0,0,.22);
      transition:var(--ease);
    }
    .play-button:hover{transform:translate(-50%,-50%) scale(1.06)}
    .play-button:before{
      content:"";margin-left:6px;
      border-left:24px solid currentColor;border-top:15px solid transparent;border-bottom:15px solid transparent;
    }
    .countdown{
      position:absolute;left:24px;right:24px;top:24px;
      display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
    }
    .count-item{
      border-radius:18px;background:rgba(255,255,255,.88);
      color:var(--ink);padding:12px 6px;text-align:center;box-shadow:var(--shadow-sm);
    }
    .count-item strong{display:block;font-size:24px;line-height:1;font-weight:950;color:var(--primary)}
    .count-item span{font-size:12px;color:var(--muted);font-weight:800}

    .story-wrap{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:stretch;
    }
    .story-card{
      border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line-soft);
      box-shadow:var(--shadow-md);padding:32px;position:relative;overflow:hidden;
    }
    .story-card:after{
      content:"";position:absolute;right:-60px;bottom:-70px;width:190px;height:190px;
      border-radius:50%;background:rgba(31,101,214,.08);
    }
    .story-list{display:grid;gap:14px;margin-top:24px}
    .story-item{
      display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;
      background:var(--light);border:1px solid var(--line-soft);
    }
    .story-icon{
      width:38px;height:38px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-weight:950;flex:0 0 auto;
    }
    .story-item b{display:block;color:var(--ink);margin-bottom:3px}
    .story-item span{font-size:14px;color:var(--muted)}

    .metric-board{
      display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;
    }
    .metric-card{
      background:#fff;border:1px solid var(--line-soft);border-radius:24px;
      padding:24px;box-shadow:var(--shadow-sm);transition:var(--ease);
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .metric-card strong{display:block;font-size:34px;line-height:1;color:var(--ink);font-weight:950;letter-spacing:-.04em}
    .metric-card span{display:block;color:var(--muted);margin-top:8px;font-weight:700}
    .metric-card em{display:inline-block;margin-top:14px;font-style:normal;font-size:12px;color:var(--success);font-weight:850;background:rgba(32,180,134,.1);padding:5px 9px;border-radius:999px}

    .content-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:34px;
    }
    .feature-large{
      min-height:420px;padding:30px;border-radius:30px;overflow:hidden;
      background:
        linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.82)),
        radial-gradient(circle at 85% 20%,rgba(140,107,255,.18),transparent 28%),
        linear-gradient(135deg,#eef6ff,#fff);
      border:1px solid var(--line-soft);box-shadow:var(--shadow-md);
      display:flex;flex-direction:column;justify-content:space-between;
    }
    .card-stack{display:grid;gap:18px}
    .topic-card{
      padding:24px;border-radius:26px;background:#fff;border:1px solid var(--line-soft);
      box-shadow:var(--shadow-sm);transition:var(--ease);
    }
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(31,101,214,.22)}
    .topic-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:12px}
    .topic-card h3,.feature-large h3{margin:0;color:var(--ink);font-size:24px;font-weight:900;letter-spacing:-.03em}
    .topic-card p,.feature-large p{color:var(--muted);margin:0;font-size:15px}
    .badge-neo{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 10px;border-radius:999px;
      background:var(--primary-050);color:var(--primary-700);
      font-size:12px;font-weight:900;border:1px solid rgba(31,101,214,.12);
      white-space:nowrap;
    }
    .topic-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .tag{
      padding:7px 10px;border-radius:999px;
      background:#f4f8ff;border:1px solid var(--line-soft);
      color:var(--muted);font-size:13px;font-weight:760;
    }

    .service-matrix{
      display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px;
    }
    .service-card{
      background:#fff;border:1px solid var(--line-soft);border-radius:26px;padding:26px;
      box-shadow:var(--shadow-sm);transition:var(--ease);height:100%;
    }
    .service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .service-num{
      width:42px;height:42px;border-radius:15px;background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;display:grid;place-items:center;font-weight:950;margin-bottom:18px;
    }
    .service-card h3{font-size:21px;font-weight:900;color:var(--ink);margin:0 0 10px}
    .service-card p{font-size:15px;color:var(--muted);margin:0}
    .service-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:9px}
    .service-list li{display:flex;gap:9px;color:var(--text);font-size:14px}
    .service-list li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success);margin-top:9px;flex:0 0 auto}

    .compare-wrap{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;margin-top:32px;align-items:start;
    }
    .compare-card,.tier-card{
      background:#fff;border:1px solid var(--line-soft);border-radius:28px;
      box-shadow:var(--shadow-md);padding:26px;
    }
    .compare-row{
      display:grid;grid-template-columns:1fr 1fr;gap:14px;
      padding:16px 0;border-bottom:1px solid var(--line-soft);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row b{color:var(--ink)}
    .compare-row span{color:var(--muted);font-size:14px}
    .tier-list{display:grid;gap:14px}
    .tier{
      padding:18px;border-radius:20px;background:var(--light);
      border:1px solid var(--line-soft);position:relative;overflow:hidden;
    }
    .tier.active{background:linear-gradient(135deg,var(--primary-050),#fff);border-color:rgba(31,101,214,.24)}
    .tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .tier h3{font-size:19px;color:var(--ink);font-weight:900;margin:0}
    .tier p{margin:8px 0 0;color:var(--muted);font-size:14px}
    .progress{
      height:10px;border-radius:999px;background:#e7eef9;overflow:hidden;margin-top:14px;
    }
    .progress-bar{background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:999px}

    .bubble-zone{
      background:linear-gradient(180deg,#f7faff,#eef6ff);
      border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
    }
    .bubble-grid{
      display:grid;grid-template-columns:1fr 1.1fr .9fr;gap:18px;margin-top:34px;align-items:start;
    }
    .bubble{
      background:#fff;border:1px solid var(--line-soft);border-radius:28px;
      padding:24px;box-shadow:var(--shadow-sm);position:relative;
    }
    .bubble:after{
      content:"";position:absolute;left:28px;bottom:-10px;width:20px;height:20px;
      transform:rotate(45deg);background:#fff;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
    }
    .bubble p{margin:0;color:var(--text)}
    .bubble-author{display:flex;align-items:center;gap:12px;margin-top:18px}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-weight:950;
    }
    .bubble-author b{display:block;color:var(--ink);line-height:1.15}
    .bubble-author span{font-size:13px;color:var(--muted)}

    .updates-board{
      margin-top:32px;background:#fff;border:1px solid var(--line-soft);
      border-radius:28px;box-shadow:var(--shadow-md);overflow:hidden;
    }
    .update-row{
      display:grid;grid-template-columns:140px 1fr 140px 110px;gap:18px;align-items:center;
      padding:18px 22px;border-bottom:1px solid var(--line-soft);
    }
    .update-row:last-child{border-bottom:0}
    .update-date{font-weight:900;color:var(--primary-700)}
    .update-title{font-weight:850;color:var(--ink)}
    .update-desc{display:block;font-size:13px;color:var(--muted);margin-top:2px;font-weight:500}
    .status{
      display:inline-flex;justify-content:center;align-items:center;
      padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900;
      background:rgba(32,180,134,.1);color:#128764;
    }
    .status.warn{background:rgba(255,181,69,.15);color:#98640b}

    .news-layout{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:34px;
    }
    .news-list,.recommend-panel{
      background:#fff;border:1px solid var(--line-soft);border-radius:28px;
      box-shadow:var(--shadow-sm);padding:8px;
    }
    .news-item{
      display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;
      padding:18px;border-radius:22px;border-bottom:1px solid var(--line-soft);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--light)}
    .news-time{
      color:var(--primary);font-weight:950;font-size:14px;background:var(--primary-050);
      border-radius:14px;text-align:center;padding:10px 6px;border:1px solid rgba(31,101,214,.1);
    }
    .news-item a{font-weight:900;color:var(--ink)}
    .news-item a:hover{color:var(--primary)}
    .news-item p{margin:3px 0 0;color:var(--muted);font-size:14px}
    .arrow{
      width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
      background:#f4f8ff;color:var(--primary);font-weight:950;
    }
    .recommend-panel{padding:24px}
    .recommend-panel h3{margin:0 0 16px;color:var(--ink);font-weight:900}
    .mini-kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
    .mini-kpi{padding:15px;border-radius:18px;background:var(--light);border:1px solid var(--line-soft)}
    .mini-kpi b{display:block;font-size:22px;color:var(--ink);font-weight:950}
    .mini-kpi span{font-size:12px;color:var(--muted);font-weight:800}
    .notice-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .notice-list li{display:flex;gap:10px;color:var(--text);font-size:14px}
    .notice-list li:before{content:"✓";color:var(--success);font-weight:950}

    .faq-wrap{
      display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start;
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid var(--line-soft)!important;border-radius:22px!important;
      overflow:hidden;box-shadow:var(--shadow-sm);background:#fff;
    }
    .accordion-button{
      padding:20px 22px;font-weight:900;color:var(--ink);background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:var(--primary-050);color:var(--primary-700);
    }
    .accordion-button:after{filter:hue-rotate(175deg) saturate(1.4)}
    .accordion-body{color:var(--muted);padding:0 22px 22px;font-size:15px}

    .subscribe{
      padding:86px 0 104px;
      background:
        radial-gradient(circle at 18% 20%,rgba(118,169,255,.24),transparent 30%),
        linear-gradient(135deg,#102a5a,#1f65d6 56%,#6c7eff);
      color:#fff;position:relative;overflow:hidden;
    }
    .subscribe:before{
      content:"";position:absolute;inset:auto -90px -160px auto;width:360px;height:360px;
      border-radius:50%;background:rgba(255,255,255,.12);
    }
    .subscribe-grid{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:center;position:relative;
    }
    .subscribe .section-title{color:#fff}
    .subscribe .section-lead{color:rgba(255,255,255,.78)}
    .form-card{
      background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.4);
      border-radius:30px;padding:28px;box-shadow:0 28px 80px rgba(0,0,0,.22);
      color:var(--text);
    }
    .form-card label{font-weight:850;color:var(--ink);margin-bottom:7px}
    .form-control,.form-select{
      min-height:50px;border-radius:16px;border:1px solid var(--line);
      background:#fbfdff;color:var(--ink);box-shadow:none!important;
    }
    .form-control:focus,.form-select:focus{border-color:rgba(31,101,214,.5);box-shadow:0 0 0 4px rgba(31,101,214,.12)!important}
    .form-note{font-size:13px;color:var(--muted);margin-top:12px}
    .form-result{
      display:none;margin-top:14px;padding:12px 14px;border-radius:16px;
      background:rgba(32,180,134,.1);color:#0d7a5a;font-weight:850;border:1px solid rgba(32,180,134,.22);
    }
    .sticky-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      z-index:900;width:min(680px,calc(100% - 28px));
      background:rgba(255,255,255,.9);backdrop-filter:blur(16px);
      border:1px solid var(--line);border-radius:999px;
      box-shadow:0 18px 50px rgba(15,31,54,.18);
      padding:10px 12px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;
    }
    .sticky-cta span{font-size:14px;color:var(--text);font-weight:850}
    .sticky-cta .btn-neo{min-height:42px;padding:9px 15px;font-size:14px}

    .site-footer{
      padding:46px 0 34px;background:#0d1b31;color:rgba(255,255,255,.76);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:18px;margin-bottom:14px}
    .footer-mark{
      width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--secondary),var(--accent));
      display:grid;place-items:center;color:#fff;font-weight:950;
    }
    .footer-title{color:#fff;font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.72)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
    }

    @media (max-width:1024px){
      .hero-stage,.story-wrap,.content-grid,.compare-wrap,.news-layout,.faq-wrap,.subscribe-grid{grid-template-columns:1fr}
      .hero{padding-top:70px}
      .metric-board{grid-template-columns:repeat(2,1fr)}
      .service-matrix{grid-template-columns:repeat(2,1fr)}
      .bubble-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .navbar-collapse{padding:14px 0 6px}
      .navbar-nav{gap:8px}
      .progress-steps{display:flex;overflow-x:auto;padding-bottom:14px;scrollbar-width:none}
      .progress-steps::-webkit-scrollbar{display:none}
      .progress-step{min-width:168px}
      .hero-panel{padding:24px}
      .live-cover{min-height:390px}
      .countdown{grid-template-columns:repeat(4,1fr);left:14px;right:14px;top:14px;gap:7px}
      .count-item strong{font-size:20px}
      .cover-ribbons{grid-template-columns:1fr;inset:20px}
      .metric-board,.service-matrix,.bubble-grid{grid-template-columns:1fr}
      .update-row{grid-template-columns:1fr;gap:7px}
      .news-item{grid-template-columns:1fr;gap:10px}
      .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .sticky-cta{border-radius:24px;align-items:flex-start}
    }
    @media (max-width:520px){
      .brand-text{font-size:15px}
      .age-mini{display:none}
      .hero h1{font-size:38px}
      .hero-desc{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn-neo,.btn-soft,.btn-ghost{width:100%}
      .hero-points{display:grid;grid-template-columns:1fr}
      .count-item{padding:10px 2px}
      .count-item span{font-size:11px}
      .play-button{width:74px;height:74px}
      .compare-row{grid-template-columns:1fr}
      .mini-kpis{grid-template-columns:1fr}
      .sticky-cta span{display:none}
      .sticky-cta{justify-content:center;padding:10px;width:calc(100% - 24px)}
      .sticky-cta .btn-neo{width:100%}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}