/* roulang page: index */
:root{
      --bg:#0f0d18;
      --bg-soft:#171322;
      --bg-card:#211b2f;
      --surface:#ffffff;
      --surface-2:#f8f5ff;
      --text:#251f33;
      --text-inverse:#fffaf7;
      --muted:#766d86;
      --muted-inverse:#d7cfe7;
      --primary:#ff4f7b;
      --primary-dark:#dc285d;
      --secondary:#7c4dff;
      --accent:#ffbf47;
      --mint:#3dd6b4;
      --border:rgba(255,255,255,.14);
      --border-dark:#ece4f5;
      --shadow-sm:0 10px 25px rgba(25,15,44,.08);
      --shadow-md:0 18px 48px rgba(25,15,44,.16);
      --shadow-lg:0 28px 80px rgba(7,4,18,.36);
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:32px;
      --radius-xl:42px;
      --container:1180px;
      --nav-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{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);
      background:
        radial-gradient(circle at 8% 3%, rgba(255,79,123,.22), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(124,77,255,.18), transparent 28%),
        linear-gradient(180deg,#fff8fb 0%,#f7f1ff 38%,#fff 100%);
      line-height:1.72;
      min-width:320px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background .25s var(--ease),border .25s var(--ease),transform .25s 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(255,79,123,.22);color:#1b1026}
    .container-rou{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,79,123,.1);
      color:var(--primary-dark);
      font-weight:800;
      font-size:13px;
      letter-spacing:.02em;
      border:1px solid rgba(255,79,123,.16);
    }
    .eyebrow.dark{
      background:rgba(255,255,255,.1);
      color:#fff;
      border-color:rgba(255,255,255,.16);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:30px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,3vw,44px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:950;
      color:#20182d;
    }
    .section-desc{
      max-width:560px;
      color:var(--muted);
      margin:0;
      font-size:16px;
    }
    .btn-rou{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:13px 20px;
      min-height:48px;
      border-radius:999px;
      font-weight:850;
      letter-spacing:.01em;
      border:1px solid transparent;
      cursor:pointer;
      white-space:nowrap;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border .22s var(--ease), color .22s var(--ease);
    }
    .btn-rou:hover{transform:translateY(-2px);color:inherit}
    .btn-rou:active{transform:translateY(0) scale(.98)}
    .btn-rou:focus-visible,
    .nav-icon:focus-visible,
    .form-control:focus,
    .form-select:focus{
      outline:3px solid rgba(255,79,123,.24);
      outline-offset:3px;
      box-shadow:none;
    }
    .btn-primary-rou{
      background:linear-gradient(135deg,var(--primary),#ff7b51);
      color:white;
      box-shadow:0 14px 34px rgba(255,79,123,.36);
    }
    .btn-primary-rou:hover{box-shadow:0 18px 42px rgba(255,79,123,.44);color:white}
    .btn-secondary-rou{
      background:#fff;
      color:#251f33;
      border-color:rgba(31,23,47,.1);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary-rou:hover{background:#fff7fb;border-color:rgba(255,79,123,.22)}
    .btn-dark-rou{
      background:#181321;
      color:white;
      border-color:rgba(255,255,255,.08);
    }
    .btn-dark-rou:hover{background:#261b38;color:white}
    .badge-rou{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      background:#fff1f5;
      color:#c82757;
      border:1px solid rgba(255,79,123,.16);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,250,253,.82);
      backdrop-filter:blur(22px);
      border-bottom:1px solid rgba(43,27,65,.08);
    }
    .brand-row{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      color:#21172f;
      letter-spacing:-.04em;
      font-size:24px;
    }
    .logo-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg, rgba(255,255,255,.25), transparent 42%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 32px rgba(124,77,255,.26);
      position:relative;
      overflow:hidden;
    }
    .logo-mark:after{
      content:"";
      width:18px;
      height:18px;
      border:3px solid rgba(255,255,255,.78);
      border-left-color:transparent;
      border-radius:50%;
      position:absolute;
      right:-3px;
      bottom:-2px;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-pill{
      width:320px;
      max-width:34vw;
      position:relative;
    }
    .search-pill input{
      width:100%;
      height:44px;
      border-radius:999px;
      border:1px solid rgba(35,25,51,.12);
      background:#fff;
      padding:0 44px 0 18px;
      color:#2a2138;
      box-shadow:0 10px 24px rgba(31,18,48,.05);
    }
    .search-pill i{
      position:absolute;
      right:17px;
      top:50%;
      transform:translateY(-50%);
      color:#9b8dad;
    }
    .icon-nav-wrap{
      border-top:1px solid rgba(43,27,65,.06);
      background:rgba(255,255,255,.48);
    }
    .icon-nav{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px 0;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .icon-nav::-webkit-scrollbar{display:none}
    .nav-icon{
      display:flex;
      align-items:center;
      gap:10px;
      padding:11px 16px;
      border-radius:18px;
      font-weight:850;
      color:#493d5d;
      border:1px solid transparent;
      white-space:nowrap;
      min-width:max-content;
    }
    .nav-icon .nav-symbol{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:#fff;
      color:var(--secondary);
      box-shadow:0 10px 20px rgba(55,33,86,.08);
      transition:background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
    }
    .nav-icon:hover{
      background:#fff;
      border-color:rgba(124,77,255,.12);
      color:#20172d;
      box-shadow:0 12px 24px rgba(55,33,86,.08);
    }
    .nav-icon:hover .nav-symbol{transform:rotate(-5deg) scale(1.04)}
    .nav-icon.active{
      background:linear-gradient(135deg,rgba(255,79,123,.14),rgba(124,77,255,.12));
      color:#20172d;
      border-color:rgba(255,79,123,.16);
    }
    .nav-icon.active .nav-symbol{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:white;
    }
    .hero{
      padding:42px 0 82px;
    }
    .flash-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:white;
      background:
        radial-gradient(circle at 12% 30%, rgba(255,191,71,.34), transparent 23%),
        linear-gradient(135deg,#1c1429 0%,#3c1b45 48%,#8a1f4a 100%);
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      padding:18px 22px;
      margin-bottom:20px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .flash-strip:before{
      content:"";
      position:absolute;
      inset:-80px auto auto 50%;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(255,255,255,.18), transparent 62%);
      transform:translateX(-50%);
      pointer-events:none;
    }
    .flash-left,.flash-right{
      display:flex;
      align-items:center;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .flash-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      font-weight:900;
    }
    .countdown{
      display:flex;
      align-items:center;
      gap:7px;
    }
    .count-box{
      min-width:42px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:#fff;
      color:#25152d;
      font-weight:950;
      font-variant-numeric:tabular-nums;
    }
    .hero-stage{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      border-radius:var(--radius-xl);
      padding:48px;
      color:white;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), transparent 24%),
        radial-gradient(circle at 92% 12%, rgba(255,79,123,.36), transparent 30%),
        radial-gradient(circle at 18% 90%, rgba(61,214,180,.22), transparent 28%),
        linear-gradient(135deg,#151120 0%,#251536 62%,#42183c 100%);
      box-shadow:var(--shadow-lg);
      min-height:500px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .hero-copy:after{
      content:"97";
      position:absolute;
      right:-24px;
      bottom:-78px;
      font-size:210px;
      line-height:1;
      font-weight:1000;
      letter-spacing:-.12em;
      color:rgba(255,255,255,.045);
      pointer-events:none;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(40px,5.2vw,76px);
      line-height:.98;
      letter-spacing:-.075em;
      font-weight:1000;
      max-width:780px;
    }
    .hero-lead{
      max-width:700px;
      color:var(--muted-inverse);
      font-size:18px;
      margin:0;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      position:relative;
      z-index:1;
    }
    .metric-mini{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .metric-mini strong{
      display:block;
      color:#fff;
      font-size:25px;
      line-height:1.1;
      font-weight:950;
    }
    .metric-mini span{color:#cfc5df;font-size:13px}
    .deal-card{
      border-radius:var(--radius-xl);
      background:#fff;
      box-shadow:var(--shadow-md);
      padding:22px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(67,43,92,.08);
    }
    .deal-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:132px;
      background:linear-gradient(135deg,rgba(255,79,123,.14),rgba(124,77,255,.12));
      pointer-events:none;
    }
    .deal-top{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:15px;
      margin-bottom:18px;
    }
    .deal-cover{
      position:relative;
      z-index:1;
      min-height:250px;
      border-radius:30px;
      background:
        radial-gradient(circle at 30% 22%, rgba(255,191,71,.42), transparent 18%),
        linear-gradient(135deg,#ff4f7b 0%,#7c4dff 64%,#14121f 100%);
      color:white;
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
    }
    .deal-cover:after{
      content:"";
      position:absolute;
      width:210px;height:210px;
      right:-58px;bottom:-58px;
      border-radius:50%;
      border:30px solid rgba(255,255,255,.13);
    }
    .deal-cover h2{
      font-size:32px;
      line-height:1.12;
      font-weight:1000;
      letter-spacing:-.05em;
      margin:10px 0;
      position:relative;
      z-index:1;
    }
    .deal-cover p{margin:0;color:#f6eaff;position:relative;z-index:1}
    .price-row{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin:20px 0;
    }
    .price small{color:var(--muted);text-decoration:line-through}
    .price strong{
      display:block;
      font-size:40px;
      line-height:1;
      font-weight:1000;
      color:#1f172c;
      letter-spacing:-.04em;
    }
    .price strong span{font-size:18px}
    .stock{
      flex:1;
      min-width:150px;
    }
    .stock-top{
      display:flex;
      justify-content:space-between;
      color:#6d607c;
      font-size:13px;
      margin-bottom:7px;
      font-weight:800;
    }
    .progress{
      height:10px;
      border-radius:999px;
      background:#f0e8f7;
      overflow:hidden;
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .deal-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .deal-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#554963;
      font-size:14px;
    }
    .deal-list i{color:var(--mint);margin-top:5px}
    .news-layout{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:24px;
    }
    .news-panel,.recommend-panel,.service-card,.entry-card,.app-card,.price-card,.review-card,.faq-card,.about-card,.contact-card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(67,43,92,.09);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-sm);
      backdrop-filter:blur(16px);
    }
    .news-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .news-item a{
      display:grid;
      grid-template-columns:82px 1fr auto;
      align-items:center;
      gap:18px;
      padding:18px;
      border-radius:20px;
      border:1px solid transparent;
      background:#fff;
    }
    .news-item a:hover{
      transform:translateY(-2px);
      border-color:rgba(255,79,123,.16);
      box-shadow:0 14px 30px rgba(40,24,62,.08);
      color:inherit;
    }
    .news-date{
      text-align:center;
      padding:10px;
      border-radius:16px;
      background:#f8f1ff;
      color:#6b42d9;
      font-weight:950;
    }
    .news-date span{display:block;font-size:12px;color:#8f82a3;font-weight:800}
    .news-title{
      font-size:18px;
      font-weight:950;
      color:#251f33;
      margin:0 0 4px;
      letter-spacing:-.02em;
    }
    .news-summary{margin:0;color:var(--muted);font-size:14px}
    .recommend-panel{padding:22px}
    .rank-list{
      list-style:none;
      margin:18px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .rank-list li{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(67,43,92,.07);
    }
    .rank-no{
      width:30px;height:30px;border-radius:11px;
      display:grid;place-items:center;
      background:#21172f;color:#fff;font-weight:950;
    }
    .rank-list li:nth-child(1) .rank-no{background:linear-gradient(135deg,var(--primary),var(--accent))}
    .rank-list li:nth-child(2) .rank-no{background:linear-gradient(135deg,var(--secondary),#43a9ff)}
    .rank-list strong{display:block;font-weight:950}
    .rank-list span{font-size:13px;color:var(--muted)}
    .service-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .service-card{
      padding:26px;
      min-height:230px;
      overflow:hidden;
      position:relative;
    }
    .service-card.large{
      grid-row:span 2;
      background:
        radial-gradient(circle at 18% 18%, rgba(255,191,71,.25), transparent 28%),
        linear-gradient(135deg,#241734,#17111f);
      color:white;
      border-color:rgba(255,255,255,.1);
    }
    .service-icon{
      width:54px;height:54px;border-radius:19px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,79,123,.16),rgba(124,77,255,.14));
      color:var(--primary);
      font-size:22px;
      margin-bottom:18px;
    }
    .service-card.large .service-icon{background:rgba(255,255,255,.12);color:#fff}
    .service-card h3{font-size:22px;font-weight:950;letter-spacing:-.03em;margin:0 0 10px}
    .service-card p{margin:0;color:var(--muted)}
    .service-card.large p{color:#d8cfe6}
    .service-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
    .tag-dark{
      padding:7px 10px;border-radius:999px;
      background:rgba(255,255,255,.1);
      color:#fff;
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(255,255,255,.12);
    }
    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .entry-card{
      padding:18px;
      display:flex;
      align-items:center;
      gap:14px;
      min-height:98px;
    }
    .entry-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      color:inherit;
      border-color:rgba(124,77,255,.16);
    }
    .entry-card i{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:#f6efff;color:var(--secondary);
      flex:0 0 auto;
    }
    .entry-card strong{display:block;font-size:16px;font-weight:950}
    .entry-card span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .data-band{
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        radial-gradient(circle at 84% 20%, rgba(61,214,180,.18), transparent 24%),
        linear-gradient(135deg,#191321,#2b1741);
      color:white;
      box-shadow:var(--shadow-lg);
    }
    .data-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:24px;
    }
    .data-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .data-card strong{
      display:block;
      font-size:34px;
      font-weight:1000;
      letter-spacing:-.05em;
      color:#fff;
    }
    .data-card span{color:#d8cfe6;font-size:14px}
    .compare-line{
      margin-top:22px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .compare-box{
      border-radius:22px;
      padding:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .compare-box h3{font-size:18px;font-weight:950;margin:0 0 10px}
    .compare-box ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .compare-box li{display:flex;gap:9px;color:#ded6e9;font-size:14px}
    .compare-box i{margin-top:5px}
    .app-section{
      background:
        radial-gradient(circle at 15% 20%, rgba(255,79,123,.1), transparent 24%),
        linear-gradient(180deg,rgba(255,255,255,.34),rgba(255,255,255,.8));
    }
    .app-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:center;
    }
    .app-card{padding:30px}
    .phone-stack{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .screen-card{
      min-height:270px;
      border-radius:30px;
      padding:20px;
      color:white;
      box-shadow:var(--shadow-md);
      border:1px solid rgba(255,255,255,.18);
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg,#ff4f7b,#7c4dff);
    }
    .screen-card.secondary{background:linear-gradient(135deg,#21172f,#3dd6b4)}
    .screen-card:after{
      content:"";
      position:absolute;
      width:160px;height:160px;border-radius:50%;
      right:-50px;bottom:-50px;
      background:rgba(255,255,255,.14);
    }
    .screen-card h3{font-weight:950;letter-spacing:-.03em;position:relative;z-index:1}
    .screen-list{
      list-style:none;
      padding:0;margin:22px 0 0;
      display:grid;gap:10px;
      position:relative;z-index:1;
    }
    .screen-list li{
      padding:10px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.12);
      font-size:14px;
    }
    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      align-items:stretch;
    }
    .price-card{
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .price-card.featured{
      background:linear-gradient(180deg,#fff,#fff5fa);
      border:2px solid rgba(255,79,123,.28);
      transform:translateY(-10px);
      box-shadow:0 24px 60px rgba(255,79,123,.18);
    }
    .price-card h3{font-size:22px;font-weight:950;margin:0 0 6px}
    .price-card .desc{color:var(--muted);margin:0 0 18px}
    .plan-price{display:flex;align-items:flex-end;gap:4px;margin:8px 0 18px}
    .plan-price strong{font-size:42px;line-height:1;font-weight:1000;letter-spacing:-.05em}
    .plan-price span{color:var(--muted);font-weight:800}
    .plan-list{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:11px}
    .plan-list li{display:flex;gap:10px;color:#554963;font-size:14px}
    .plan-list i{color:var(--mint);margin-top:5px}
    .reviews-wall{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:14px;
    }
    .review-card{
      grid-column:span 4;
      padding:20px;
    }
    .review-card.wide{grid-column:span 5}
    .review-card.tall{grid-column:span 3}
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      color:white;font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      flex:0 0 auto;
    }
    .review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .review-top strong{display:block;font-weight:950}
    .review-top span{font-size:13px;color:var(--muted)}
    .review-card p{margin:0;color:#554963}
    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:24px;
      align-items:start;
    }
    .faq-side{
      position:sticky;
      top:150px;
      padding:28px;
      border-radius:var(--radius-md);
      background:linear-gradient(135deg,#21172f,#351c46);
      color:white;
      box-shadow:var(--shadow-md);
    }
    .faq-side p{color:#d6ccdf;margin:12px 0 20px}
    .accordion{
      display:grid;
      gap:12px;
    }
    .faq-card{overflow:hidden}
    .faq-card .accordion-button{
      border:0;
      background:#fff;
      color:#251f33;
      font-weight:950;
      font-size:17px;
      padding:20px 22px;
      box-shadow:none;
      border-radius:var(--radius-md)!important;
    }
    .faq-card .accordion-button:not(.collapsed){
      color:#251f33;
      background:#fff7fb;
      box-shadow:none;
    }
    .faq-card .accordion-button:focus{box-shadow:none;border-color:transparent}
    .faq-card .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      background:#fff;
    }
    .about-band{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      align-items:stretch;
    }
    .about-card{
      padding:34px;
      overflow:hidden;
    }
    .story-card{
      color:white;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,191,71,.28), transparent 28%),
        linear-gradient(135deg,#17111f,#3d1a43);
      border-color:rgba(255,255,255,.1);
    }
    .story-card p{color:#ded6e9}
    .contact-card{
      padding:28px;
    }
    .contact-form{
      display:grid;
      gap:12px;
    }
    .form-control,.form-select{
      border-radius:16px;
      min-height:48px;
      border:1px solid rgba(67,43,92,.12);
      background:#fff;
      padding:12px 14px;
    }
    textarea.form-control{min-height:112px;resize:vertical}
    .form-hint{font-size:13px;color:var(--muted);margin:0}
    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:999;
      width:min(760px, calc(100% - 28px));
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:12px 14px 12px 18px;
      border-radius:999px;
      background:rgba(31,23,44,.9);
      color:white;
      backdrop-filter:blur(18px);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 18px 50px rgba(13,8,22,.28);
    }
    .fixed-cta strong{font-weight:950}
    .fixed-cta span{color:#d8cfe6;font-size:13px;margin-left:8px}
    .site-footer{
      background:#100d18;
      color:white;
      padding:54px 0 92px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 82% 0%, rgba(255,79,123,.18), transparent 30%);
      pointer-events:none;
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:30px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:24px;
      font-weight:950;
      letter-spacing:-.04em;
      margin-bottom:14px;
    }
    .footer-text{color:#cfc7dc;max-width:520px;margin:0}
    .footer-title{font-size:15px;font-weight:950;margin:0 0 12px}
    .footer-links{
      list-style:none;
      padding:0;margin:0;
      display:grid;gap:9px;
    }
    .footer-links a{color:#cfc7dc}
    .footer-links a:hover{color:#fff}
    .copyright{
      position:relative;
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#a99fb9;
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      :root{--container:930px}
      .hero-stage,.news-layout,.app-wrap,.about-band,.faq-wrap{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .service-grid{grid-template-columns:1fr 1fr}
      .service-card.large{grid-row:auto;grid-column:span 2}
      .entry-matrix{grid-template-columns:repeat(2,1fr)}
      .data-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}
      .price-card.featured{transform:none}
      .reviews-wall{grid-template-columns:repeat(2,1fr)}
      .review-card,.review-card.wide,.review-card.tall{grid-column:span 1}
      .faq-side{position:relative;top:auto}
    }
    @media (max-width:768px){
      .container-rou{width:min(100% - 28px, var(--container))}
      .section{padding:64px 0}
      .brand-row{min-height:68px}
      .logo{font-size:21px}
      .logo-mark{width:42px;height:42px}
      .search-pill{display:none}
      .header-actions .btn-rou{display:none}
      .icon-nav{padding:10px 0}
      .nav-icon{padding:9px 12px;border-radius:15px}
      .nav-icon .nav-symbol{width:30px;height:30px;border-radius:11px}
      .flash-strip{align-items:flex-start;flex-direction:column;border-radius:24px}
      .flash-right{width:100%;justify-content:space-between}
      .hero{padding-top:24px}
      .hero-copy{padding:30px;border-radius:30px}
      .hero-metrics{grid-template-columns:1fr}
      .deal-card{border-radius:30px}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .news-item a{grid-template-columns:1fr;gap:10px}
      .news-date{text-align:left;display:inline-block;width:max-content}
      .service-grid,.data-grid,.compare-line,.pricing-grid,.phone-stack,.footer-grid{grid-template-columns:1fr}
      .service-card.large{grid-column:auto}
      .data-band{padding:24px;border-radius:30px}
      .fixed-cta{
        border-radius:24px;
        align-items:flex-start;
        flex-direction:column;
        bottom:12px;
      }
      .fixed-cta span{display:block;margin-left:0}
      .fixed-cta .btn-rou{width:100%}
      .site-footer{padding-bottom:150px}
    }
    @media (max-width:520px){
      h1{font-size:42px}
      .hero-lead{font-size:16px}
      .hero-cta .btn-rou{width:100%}
      .flash-left{align-items:flex-start;flex-direction:column}
      .count-box{min-width:36px;height:34px}
      .deal-cover{min-height:220px;padding:22px;border-radius:24px}
      .deal-cover h2{font-size:28px}
      .price-row{display:block}
      .stock{margin-top:16px}
      .entry-matrix{grid-template-columns:1fr}
      .section-title{font-size:30px}
      .app-card,.about-card,.contact-card{padding:24px}
      .review-card{padding:18px}
    }

/* 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}