/* roulang page: index */
:root{
      --color-primary:#1d4ed8;
      --color-primary-600:#2563eb;
      --color-primary-50:#eff6ff;
      --color-navy:#071424;
      --color-navy-2:#0b1d33;
      --color-gold:#f8c75c;
      --color-cyan:#38bdf8;
      --color-bg:#f6f9ff;
      --color-surface:#ffffff;
      --color-surface-soft:#f8fbff;
      --color-text:#102033;
      --color-muted:#617083;
      --color-light:#dbe8ff;
      --color-border:#dbe6f5;
      --color-success:#16a34a;
      --color-warning:#f59e0b;
      --shadow-sm:0 8px 22px rgba(15, 35, 65, .08);
      --shadow-md:0 18px 46px rgba(15, 35, 65, .12);
      --shadow-lg:0 28px 80px rgba(15, 35, 65, .18);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --header-height:76px;
      --section-space:88px;
      --transition:all .22s ease;
    }

    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 10% 0%, rgba(37,99,235,.08), transparent 34%),
        radial-gradient(circle at 90% 12%, rgba(56,189,248,.12), transparent 30%),
        var(--color-bg);
      line-height:1.72;
      overflow-x:hidden;
      padding-bottom:78px;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition);}
    a:hover{color:var(--color-primary);}
    img,svg{max-width:100%;display:block;}
    button,input,select,textarea{font:inherit;}
    button{border:0;}
    ::selection{background:rgba(29,78,216,.16);color:var(--color-navy);}
    .container-xxl{max-width:1200px;}
    .section{
      padding:var(--section-space) 0;
      position:relative;
    }
    .section-tight{padding:64px 0;}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary);
      font-weight:800;
      font-size:.92rem;
      letter-spacing:.03em;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:28px;height:3px;border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-cyan));
    }
    .section-title{
      margin:0;
      font-size:clamp(1.8rem,3vw,2.7rem);
      font-weight:900;
      letter-spacing:-.04em;
      color:var(--color-navy);
      line-height:1.15;
    }
    .section-desc{
      color:var(--color-muted);
      max-width:680px;
      margin:14px 0 0;
      font-size:1.04rem;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1040;
      background:linear-gradient(180deg,#071424 0%,#0a1b2e 100%);
      box-shadow:0 14px 38px rgba(4,13,28,.24);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{
      min-height:var(--header-height);
      padding:.85rem 0;
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff!important;
      font-weight:900;
      letter-spacing:-.03em;
      font-size:1.15rem;
      white-space:normal;
      max-width:360px;
      line-height:1.2;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:var(--color-navy);
      background:linear-gradient(135deg,var(--color-gold),#fff3bd);
      box-shadow:0 12px 26px rgba(248,199,92,.26);
      flex:0 0 auto;
      font-weight:950;
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.2);
      border-radius:14px;
      padding:.55rem .7rem;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{outline:3px solid rgba(248,199,92,.22);}
    .navbar-toggler-icon{
      filter:invert(1) brightness(2);
    }
    .nav-link{
      color:rgba(239,246,255,.82)!important;
      font-weight:700;
      padding:.75rem 1rem!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff!important;
      background:rgba(255,255,255,.08);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:.8rem 1.15rem;
      border-radius:999px;
      font-weight:900;
      color:#102033!important;
      background:linear-gradient(135deg,var(--color-gold),#ffe8a3);
      box-shadow:0 12px 28px rgba(248,199,92,.22);
      margin-left:.6rem;
    }
    .nav-cta:hover{
      transform:translateY(-1px);
      box-shadow:0 16px 36px rgba(248,199,92,.3);
    }
    .nav-search{
      width:220px;
      position:relative;
      margin-left:14px;
    }
    .nav-search input{
      width:100%;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.07);
      color:#fff;
      border-radius:999px;
      padding:.72rem 1rem .72rem 2.4rem;
      outline:none;
    }
    .nav-search input::placeholder{color:rgba(219,232,255,.55);}
    .nav-search input:focus{
      border-color:rgba(248,199,92,.6);
      box-shadow:0 0 0 4px rgba(248,199,92,.12);
      background:rgba(255,255,255,.1);
    }
    .nav-search .search-dot{
      position:absolute;
      left:14px;top:50%;
      transform:translateY(-50%);
      width:12px;height:12px;border-radius:50%;
      border:2px solid rgba(248,199,92,.85);
    }
    .nav-search .search-dot::after{
      content:"";
      position:absolute;
      width:6px;height:2px;background:rgba(248,199,92,.85);
      transform:rotate(45deg);
      right:-5px;bottom:-3px;border-radius:999px;
    }

    .hero{
      min-height:720px;
      padding:92px 0 58px;
      color:#fff;
      background:
        linear-gradient(90deg,rgba(7,20,36,.96) 0%,rgba(7,20,36,.86) 40%,rgba(7,20,36,.54) 72%,rgba(7,20,36,.9) 100%),
        radial-gradient(circle at 80% 25%, rgba(37,99,235,.72), transparent 25%),
        radial-gradient(circle at 70% 80%, rgba(248,199,92,.35), transparent 22%),
        #071424;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,#000,transparent 88%);
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-160px;top:140px;
      background:radial-gradient(circle, rgba(56,189,248,.26), transparent 64%);
      filter:blur(8px);
    }
    .hero-inner{position:relative;z-index:2;}
    .hero-stage{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);
      gap:42px;
      align-items:center;
    }
    .hero-badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:20px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:.52rem .84rem;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      color:#eaf3ff;
      font-weight:800;
      font-size:.9rem;
      backdrop-filter:blur(10px);
    }
    .badge-hot{
      background:linear-gradient(135deg,rgba(248,199,92,.22),rgba(248,199,92,.08));
      border-color:rgba(248,199,92,.36);
      color:#fff1bd;
    }
    .hero h1{
      font-size:clamp(2.5rem,5.4vw,5.2rem);
      line-height:.98;
      letter-spacing:-.07em;
      font-weight:950;
      margin:0 0 24px;
      max-width:760px;
    }
    .hero h1 span{
      color:#fff0b8;
      text-shadow:0 12px 40px rgba(248,199,92,.2);
    }
    .hero-subtitle{
      color:rgba(239,246,255,.82);
      max-width:720px;
      font-size:1.12rem;
      margin:0 0 30px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:14px;
      margin-bottom:32px;
    }
    .btn-main,.btn-secondary-soft,.btn-ghost,.btn-line{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:.92rem 1.25rem;
      font-weight:900;
      text-decoration:none;
      cursor:pointer;
      transition:var(--transition);
      border:1px solid transparent;
      min-height:48px;
    }
    .btn-main{
      color:#0b1830;
      background:linear-gradient(135deg,var(--color-gold),#fff0b7);
      box-shadow:0 16px 34px rgba(248,199,92,.24);
    }
    .btn-main:hover{
      color:#0b1830;
      transform:translateY(-2px);
      box-shadow:0 22px 46px rgba(248,199,92,.32);
    }
    .btn-secondary-soft{
      color:#fff;
      background:rgba(255,255,255,.1);
      border-color:rgba(255,255,255,.18);
    }
    .btn-secondary-soft:hover{
      color:#fff;
      background:rgba(255,255,255,.16);
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:var(--color-primary);
      background:var(--color-primary-50);
      border-color:rgba(29,78,216,.1);
    }
    .btn-ghost:hover{
      color:#fff;
      background:var(--color-primary);
      box-shadow:0 14px 30px rgba(29,78,216,.2);
      transform:translateY(-2px);
    }
    .btn-line{
      color:var(--color-text);
      background:#fff;
      border-color:var(--color-border);
    }
    .btn-line:hover{
      color:var(--color-primary);
      border-color:rgba(29,78,216,.24);
      box-shadow:var(--shadow-sm);
      transform:translateY(-2px);
    }
    .btn-main:focus,.btn-secondary-soft:focus,.btn-ghost:focus,.btn-line:focus{
      outline:4px solid rgba(37,99,235,.18);
      outline-offset:2px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      max-width:720px;
    }
    .metric-card{
      padding:18px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(14px);
    }
    .metric-card strong{
      display:block;
      font-size:1.55rem;
      line-height:1;
      color:#fff;
      margin-bottom:8px;
      letter-spacing:-.04em;
    }
    .metric-card span{
      color:rgba(239,246,255,.7);
      font-weight:700;
      font-size:.9rem;
    }
    .poster-collage{
      position:relative;
      min-height:520px;
      border-radius:var(--radius-xl);
      padding:20px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 34px 90px rgba(0,0,0,.36);
      overflow:hidden;
    }
    .poster-collage::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 55% 35%, rgba(248,199,92,.28), transparent 28%),
                 radial-gradient(circle at 20% 75%, rgba(56,189,248,.24), transparent 30%);
      opacity:.85;
    }
    .poster-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.25fr .9fr;
      gap:16px;
      height:100%;
      z-index:1;
    }
    .poster-main,.poster-side{
      border-radius:26px;
      overflow:hidden;
      position:relative;
      min-height:480px;
      background:
        linear-gradient(180deg,rgba(10,27,46,.1),rgba(10,27,46,.92)),
        linear-gradient(135deg,#2f6eea,#0f2544 52%,#d8a742);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .poster-side{
      min-height:auto;
      display:grid;
      gap:16px;
      background:none;
      box-shadow:none;
    }
    .mini-poster{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      min-height:232px;
      background:
        linear-gradient(180deg,rgba(7,20,36,.08),rgba(7,20,36,.9)),
        linear-gradient(135deg,#60a5fa,#193d7a 55%,#f8c75c);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 16px 34px rgba(0,0,0,.18);
    }
    .mini-poster:nth-child(2){
      background:
        linear-gradient(180deg,rgba(7,20,36,.05),rgba(7,20,36,.9)),
        linear-gradient(135deg,#1e293b,#2563eb 48%,#38bdf8);
    }
    .poster-lines{
      position:absolute;
      inset:auto 22px 22px;
      z-index:2;
    }
    .poster-tag{
      display:inline-flex;
      align-items:center;
      padding:.4rem .65rem;
      border-radius:999px;
      color:#102033;
      background:#fff0b7;
      font-size:.82rem;
      font-weight:900;
      margin-bottom:10px;
    }
    .poster-title{
      color:#fff;
      font-size:1.42rem;
      font-weight:950;
      line-height:1.12;
      margin:0 0 8px;
      letter-spacing:-.03em;
    }
    .poster-text{
      color:rgba(239,246,255,.76);
      margin:0;
      font-size:.92rem;
    }
    .floating-rank{
      position:absolute;
      right:28px;
      bottom:28px;
      z-index:3;
      width:250px;
      border-radius:24px;
      background:rgba(255,255,255,.92);
      color:var(--color-text);
      padding:16px;
      box-shadow:0 24px 60px rgba(0,0,0,.22);
      backdrop-filter:blur(16px);
    }
    .floating-rank h3{
      margin:0 0 12px;
      font-size:1rem;
      font-weight:950;
      color:var(--color-navy);
    }
    .rank-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:9px 0;
      border-top:1px solid rgba(219,230,245,.9);
      font-size:.92rem;
      font-weight:800;
    }
    .rank-row span:first-child{color:var(--color-primary);}
    .rank-row em{font-style:normal;color:var(--color-muted);font-weight:700;}

    .benefit-panel{
      background:var(--color-surface);
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      padding:28px;
      box-shadow:var(--shadow-md);
    }
    .benefit-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .benefit-feature{
      min-height:100%;
      border-radius:28px;
      padding:32px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(29,78,216,.96),rgba(14,165,233,.8)),
        radial-gradient(circle at 80% 20%, rgba(248,199,92,.34), transparent 25%);
      position:relative;
      overflow:hidden;
    }
    .benefit-feature::after{
      content:"";
      position:absolute;
      width:240px;height:240px;
      right:-78px;bottom:-80px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .benefit-feature h2,.benefit-feature p,.benefit-feature .check-list{position:relative;z-index:1;}
    .benefit-feature h2{
      font-size:2rem;
      line-height:1.16;
      font-weight:950;
      margin:0 0 16px;
      letter-spacing:-.05em;
    }
    .benefit-feature p{color:rgba(255,255,255,.84);margin-bottom:22px;}
    .check-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-weight:750;
      color:rgba(255,255,255,.92);
    }
    .check-list li::before{
      content:"✓";
      display:grid;
      place-items:center;
      flex:0 0 24px;
      width:24px;height:24px;
      border-radius:50%;
      color:#12304f;
      background:#fff0b7;
      font-weight:950;
      line-height:1;
      margin-top:2px;
    }
    .service-matrix{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .service-card{
      background:var(--color-surface-soft);
      border:1px solid var(--color-border);
      border-radius:24px;
      padding:22px;
      transition:var(--transition);
      min-height:180px;
    }
    .service-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(37,99,235,.25);
    }
    .icon-bubble{
      width:46px;height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:#eaf2ff;
      color:var(--color-primary);
      font-weight:950;
      margin-bottom:16px;
    }
    .service-card h3{
      margin:0 0 8px;
      font-size:1.08rem;
      font-weight:950;
      color:var(--color-navy);
    }
    .service-card p{
      margin:0;
      color:var(--color-muted);
      font-size:.96rem;
    }

    .pricing-wrap{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
      align-items:stretch;
    }
    .price-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:var(--transition);
    }
    .price-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-md);
    }
    .price-card.recommended{
      border-color:rgba(29,78,216,.35);
      box-shadow:0 22px 58px rgba(29,78,216,.16);
    }
    .price-ribbon{
      position:absolute;
      top:18px;right:18px;
      padding:.36rem .64rem;
      border-radius:999px;
      background:#fff4c8;
      color:#7c5100;
      font-weight:950;
      font-size:.78rem;
    }
    .price-name{
      font-size:1.15rem;
      font-weight:950;
      color:var(--color-navy);
      margin-bottom:12px;
    }
    .price-value{
      display:flex;
      align-items:flex-end;
      gap:8px;
      margin-bottom:14px;
    }
    .price-value strong{
      font-size:2.25rem;
      line-height:1;
      font-weight:950;
      color:var(--color-primary);
      letter-spacing:-.06em;
    }
    .price-value span{color:var(--color-muted);font-weight:750;}
    .price-card p{color:var(--color-muted);margin-bottom:18px;}
    .price-list{
      list-style:none;
      padding:0;
      margin:0 0 22px;
      display:grid;
      gap:10px;
    }
    .price-list li{
      display:flex;
      gap:9px;
      color:#2a3a4d;
      font-weight:700;
      font-size:.95rem;
    }
    .price-list li::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--color-success);
      margin-top:10px;
      flex:0 0 auto;
    }

    .info-board{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);
      gap:24px;
      align-items:start;
    }
    .filter-card,.news-card,.side-card,.resource-card,.trust-card,.entry-card,.faq-card,.quick-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .filter-card{padding:24px;margin-bottom:22px;}
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .filter-btn,.category-pill{
      border-radius:999px;
      padding:.62rem .88rem;
      font-weight:850;
      color:#36506d;
      background:#f1f6ff;
      border:1px solid #dce9fb;
      cursor:pointer;
      transition:var(--transition);
    }
    .filter-btn:hover,.category-pill:hover,.filter-btn.active{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
      transform:translateY(-1px);
    }
    .category-entrance{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding-top:6px;
    }
    .resource-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .resource-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px;
      border:1px solid var(--color-border);
      border-radius:22px;
      background:#fff;
      transition:var(--transition);
    }
    .resource-item:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(37,99,235,.22);
    }
    .resource-title{
      font-weight:950;
      color:var(--color-navy);
      margin-bottom:3px;
    }
    .resource-meta{
      color:var(--color-muted);
      font-size:.92rem;
    }
    .resource-actions{
      display:flex;
      gap:8px;
      flex:0 0 auto;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .mini-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      padding:.55rem .78rem;
      background:var(--color-primary-50);
      color:var(--color-primary);
      font-weight:900;
      font-size:.88rem;
      border:1px solid rgba(29,78,216,.12);
    }
    .mini-btn:hover{
      background:var(--color-primary);
      color:#fff;
    }
    .news-card{padding:24px;}
    .news-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:0;
    }
    .news-list li{
      border-bottom:1px solid var(--color-border);
      padding:16px 0;
    }
    .news-list li:first-child{padding-top:0;}
    .news-list li:last-child{border-bottom:0;padding-bottom:0;}
    .news-link{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
    }
    .news-link strong{
      font-size:1.02rem;
      color:var(--color-navy);
      font-weight:950;
      line-height:1.42;
    }
    .news-link:hover strong{color:var(--color-primary);}
    .news-link span{
      color:var(--color-muted);
      white-space:nowrap;
      font-weight:750;
      font-size:.9rem;
    }
    .news-summary{
      color:var(--color-muted);
      margin:7px 0 0;
      font-size:.94rem;
    }
    .side-card{padding:22px;margin-bottom:22px;}
    .side-card h3{
      margin:0 0 16px;
      font-size:1.12rem;
      font-weight:950;
      color:var(--color-navy);
    }
    .poster-track{
      display:flex;
      gap:14px;
      overflow-x:auto;
      padding-bottom:8px;
      scrollbar-width:thin;
      scrollbar-color:#b6c9e8 transparent;
    }
    .track-card{
      flex:0 0 148px;
      height:218px;
      border-radius:24px;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(180deg,transparent 20%,rgba(6,18,34,.92)),
        linear-gradient(135deg,#93c5fd,#1d4ed8 52%,#f8c75c);
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .track-card:nth-child(2){background:linear-gradient(180deg,transparent 20%,rgba(6,18,34,.92)),linear-gradient(135deg,#67e8f9,#2563eb 52%,#0f172a);}
    .track-card:nth-child(3){background:linear-gradient(180deg,transparent 20%,rgba(6,18,34,.92)),linear-gradient(135deg,#bfdbfe,#0f172a 58%,#f59e0b);}
    .track-card:hover{transform:translateY(-5px) scale(1.01);}
    .track-card div{
      position:absolute;
      left:14px;right:14px;bottom:14px;
      color:#fff;
    }
    .track-card strong{
      display:block;
      font-size:.98rem;
      line-height:1.25;
      margin-bottom:8px;
      font-weight:950;
    }
    .track-card span{
      display:inline-flex;
      padding:.26rem .5rem;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      color:#fff0b7;
      font-size:.78rem;
      font-weight:900;
    }
    .vertical-feed{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .seed-card{
      border-radius:22px;
      padding:16px;
      min-height:154px;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:linear-gradient(135deg,#0b1d33,#1d4ed8);
      box-shadow:var(--shadow-sm);
    }
    .seed-card:nth-child(2){background:linear-gradient(135deg,#0b1d33,#0891b2);}
    .seed-card:nth-child(3){background:linear-gradient(135deg,#0b1d33,#7c3aed);}
    .seed-card:nth-child(4){background:linear-gradient(135deg,#0b1d33,#d97706);}
    .seed-card strong{
      font-weight:950;
      line-height:1.26;
      font-size:1rem;
    }
    .seed-card a{
      align-self:flex-start;
      color:#0b1830;
      background:#fff0b7;
      border-radius:999px;
      padding:.34rem .58rem;
      font-size:.78rem;
      font-weight:950;
    }

    .trust-strip{
      padding:0 0 74px;
    }
    .trust-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:stretch;
    }
    .trust-card{padding:28px;}
    .trust-card.dark{
      color:#fff;
      background:linear-gradient(135deg,#0b1d33,#1d4ed8);
      border-color:rgba(255,255,255,.12);
      overflow:hidden;
      position:relative;
    }
    .trust-card.dark::after{
      content:"";
      position:absolute;
      width:280px;height:280px;
      right:-100px;top:-100px;
      border-radius:50%;
      background:rgba(248,199,92,.18);
    }
    .trust-card h2{
      font-size:1.72rem;
      font-weight:950;
      line-height:1.18;
      margin:0 0 14px;
      letter-spacing:-.04em;
      position:relative;
      z-index:1;
    }
    .trust-card p{
      color:var(--color-muted);
      margin:0;
      position:relative;
      z-index:1;
    }
    .trust-card.dark p{color:rgba(239,246,255,.8);}
    .proof-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .proof-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.1);
      color:#eef6ff;
      font-weight:850;
    }
    .bubble-wall{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .bubble{
      border-radius:24px;
      padding:18px;
      background:var(--color-surface-soft);
      border:1px solid var(--color-border);
    }
    .bubble-top{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-cyan));
      font-weight:950;
      flex:0 0 auto;
    }
    .bubble-name{
      font-weight:950;
      color:var(--color-navy);
      line-height:1.2;
    }
    .bubble small{color:var(--color-muted);font-weight:700;}
    .bubble p{
      color:#36506d;
      font-size:.94rem;
      margin:0;
    }

    .entry-section{
      padding:86px 0;
      background:
        linear-gradient(135deg,rgba(239,246,255,.92),rgba(255,255,255,.74)),
        radial-gradient(circle at 15% 20%, rgba(29,78,216,.16), transparent 26%);
    }
    .entry-layout{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(360px,1.05fr);
      gap:26px;
      align-items:stretch;
    }
    .entry-card{
      padding:30px;
      overflow:hidden;
    }
    .entry-card.feature{
      color:#fff;
      background:linear-gradient(135deg,#071424,#1d4ed8);
      border-color:rgba(255,255,255,.1);
      position:relative;
    }
    .entry-card.feature::after{
      content:"";
      position:absolute;
      width:340px;height:340px;
      right:-120px;bottom:-150px;
      border-radius:50%;
      background:rgba(248,199,92,.18);
    }
    .entry-card.feature > *{position:relative;z-index:1;}
    .entry-card h2{
      margin:0 0 12px;
      font-size:2rem;
      line-height:1.16;
      letter-spacing:-.05em;
      font-weight:950;
      color:inherit;
    }
    .entry-card p{
      color:inherit;
      opacity:.82;
      margin-bottom:22px;
    }
    .step-list{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:12px;
      counter-reset:steps;
    }
    .step-list li{
      counter-increment:steps;
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      color:rgba(255,255,255,.9);
      font-weight:750;
    }
    .step-list li::before{
      content:counter(steps);
      flex:0 0 28px;
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:50%;
      background:#fff0b7;
      color:#102033;
      font-weight:950;
    }
    .entry-form{
      display:grid;
      gap:14px;
    }
    .form-label{
      font-weight:900;
      color:var(--color-navy);
      margin-bottom:6px;
    }
    .form-control,.form-select{
      border:1px solid var(--color-border);
      border-radius:16px;
      padding:.9rem 1rem;
      background:#fbfdff;
      color:var(--color-text);
      box-shadow:none!important;
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(29,78,216,.48);
      outline:0;
      box-shadow:0 0 0 4px rgba(29,78,216,.12)!important;
      background:#fff;
    }
    .form-hint{
      font-size:.9rem;
      color:var(--color-muted);
      margin:4px 0 0;
    }
    .form-message{
      display:none;
      padding:12px 14px;
      border-radius:16px;
      background:#ecfdf5;
      color:#166534;
      font-weight:850;
      border:1px solid #bbf7d0;
    }
    .form-message.show{display:block;}

    .faq-section{
      padding:88px 0;
      background:#fff;
    }
    .faq-layout{
      display:grid;
      grid-template-columns:minmax(280px,.42fr) minmax(0,.58fr);
      gap:32px;
      align-items:start;
    }
    .faq-sticky{
      position:sticky;
      top:104px;
    }
    .faq-card{padding:26px;}
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--color-border)!important;
      border-radius:22px!important;
      overflow:hidden;
      box-shadow:0 8px 18px rgba(15,35,65,.05);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      color:var(--color-navy);
      font-weight:950;
      line-height:1.35;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--color-primary);
      background:#f5f9ff;
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(29,78,216,.12)!important;
    }
    .accordion-body{
      color:#40566f;
      padding:0 22px 22px;
      font-size:.98rem;
    }
    .quick-card{
      padding:24px;
      margin-top:22px;
      background:linear-gradient(135deg,#eff6ff,#ffffff);
    }
    .quick-card strong{
      display:block;
      color:var(--color-navy);
      font-size:1.08rem;
      font-weight:950;
      margin-bottom:8px;
    }
    .quick-card p{
      margin:0;
      color:var(--color-muted);
    }

    .site-footer{
      color:#dbe8ff;
      background:#071424;
      padding:54px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 78% 20%, rgba(37,99,235,.22), transparent 28%);
      pointer-events:none;
    }
    .footer-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:32px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      font-weight:950;
      color:#fff;
      font-size:1.15rem;
    }
    .footer-desc{
      max-width:680px;
      color:rgba(219,232,255,.76);
      margin:0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
      align-content:flex-start;
    }
    .footer-links a{
      padding:.58rem .8rem;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(239,246,255,.82);
      font-weight:800;
    }
    .footer-links a:hover{
      background:rgba(248,199,92,.16);
      color:#fff0b7;
    }
    .footer-bottom{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(219,232,255,.62);
      font-size:.92rem;
    }

    .floating-cta{
      position:fixed;
      left:50%;
      bottom:16px;
      transform:translateX(-50%);
      z-index:1050;
      width:min(1040px,calc(100% - 28px));
      padding:12px;
      border-radius:24px;
      background:rgba(7,20,36,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 22px 66px rgba(7,20,36,.34);
      backdrop-filter:blur(16px);
    }
    .floating-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
    }
    .floating-copy{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .floating-dot{
      width:12px;height:12px;border-radius:50%;
      background:#22c55e;
      box-shadow:0 0 0 6px rgba(34,197,94,.14);
      flex:0 0 auto;
    }
    .floating-copy strong{
      display:block;
      font-weight:950;
      line-height:1.25;
    }
    .floating-copy span{
      color:rgba(219,232,255,.72);
      font-size:.9rem;
    }
    .floating-cta .btn-main{
      padding:.72rem 1rem;
      min-height:42px;
      white-space:nowrap;
    }

    @media (max-width: 1199.98px){
      .hero-stage{grid-template-columns:1fr;gap:32px;}
      .poster-collage{max-width:760px;margin:0 auto;width:100%;}
      .nav-search{display:none;}
    }
    @media (max-width: 991.98px){
      :root{--section-space:72px;}
      .navbar-collapse{
        padding:16px 0 8px;
        border-top:1px solid rgba(255,255,255,.09);
        margin-top:12px;
      }
      .nav-cta{margin:10px 0 0;}
      .section-head{display:block;}
      .benefit-grid,.info-board,.trust-grid,.entry-layout,.faq-layout,.footer-grid{
        grid-template-columns:1fr;
      }
      .faq-sticky{position:static;}
      .pricing-wrap{grid-template-columns:1fr;}
      .poster-collage{min-height:auto;}
      .poster-main{min-height:420px;}
      .floating-rank{position:relative;right:auto;bottom:auto;width:auto;margin-top:16px;}
    }
    @media (max-width: 767.98px){
      body{padding-bottom:96px;}
      .hero{min-height:auto;padding:64px 0 42px;}
      .hero h1{font-size:clamp(2.3rem,13vw,3.8rem);}
      .hero-metrics{grid-template-columns:1fr;}
      .poster-grid{grid-template-columns:1fr;}
      .poster-main{min-height:360px;}
      .mini-poster{min-height:190px;}
      .service-matrix,.vertical-feed,.bubble-wall{grid-template-columns:1fr;}
      .resource-item{
        align-items:flex-start;
        flex-direction:column;
      }
      .resource-actions{justify-content:flex-start;}
      .news-link{display:block;}
      .news-link span{display:inline-block;margin-top:6px;}
      .entry-card h2,.benefit-feature h2{font-size:1.65rem;}
      .footer-links{justify-content:flex-start;}
      .floating-inner{align-items:flex-start;flex-direction:column;}
      .floating-cta .btn-main{width:100%;}
    }
    @media (max-width: 520px){
      :root{--section-space:58px;}
      .navbar-brand{font-size:1rem;max-width:270px;}
      .brand-mark{width:38px;height:38px;border-radius:13px;}
      .hero-actions .btn-main,.hero-actions .btn-secondary-soft{width:100%;}
      .section-title{font-size:1.72rem;}
      .benefit-panel,.filter-card,.news-card,.side-card,.entry-card,.faq-card,.trust-card{padding:20px;}
      .price-card{padding:22px;}
      .poster-collage{padding:12px;border-radius:24px;}
      .poster-main,.mini-poster{border-radius:20px;}
      .track-card{flex-basis:132px;height:198px;}
      .floating-copy span{display:none;}
    }

/* 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}
