/* roulang page: index */
:root{
      --color-primary:#2563eb;
      --color-primary-dark:#1d4ed8;
      --color-secondary:#0f766e;
      --color-accent:#f4b63f;
      --color-accent-soft:#fff6d8;
      --color-bg:#f6f9ff;
      --color-bg-strong:#eaf2ff;
      --color-surface:#ffffff;
      --color-surface-2:#f9fbff;
      --color-text:#13233f;
      --color-muted:#66758f;
      --color-light:#8a98ad;
      --color-border:#dce6f5;
      --color-border-strong:#c8d7ee;
      --color-success:#16a34a;
      --color-danger:#dc2626;
      --shadow-sm:0 8px 22px rgba(37,99,235,.08);
      --shadow-md:0 18px 45px rgba(15,35,75,.12);
      --shadow-lg:0 24px 70px rgba(15,35,75,.16);
      --radius-sm:10px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1180px;
      --section:86px;
      --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(--color-text);
      background:
        radial-gradient(circle at top left, rgba(37,99,235,.12), transparent 34%),
        linear-gradient(180deg,#fbfdff 0%,var(--color-bg) 44%,#ffffff 100%);
      line-height:1.72;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:var(--ease);
    }
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.18);color:var(--color-text)}
    .container{
      width:min(calc(100% - 36px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:var(--section) 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title-wrap{max-width:760px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      color:var(--color-primary);
      background:rgba(37,99,235,.08);
      border:1px solid rgba(37,99,235,.12);
      padding:7px 12px;
      border-radius:999px;
      margin-bottom:14px;
    }
    .eyebrow i{font-size:12px}
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px,4.2vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
      margin-bottom:18px;
      color:#0e1b32;
    }
    h2{
      font-size:clamp(26px,3vw,40px);
      line-height:1.22;
      letter-spacing:-.03em;
      margin-bottom:14px;
      color:#12213b;
    }
    h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:10px;
      color:#172944;
    }
    p{color:var(--color-muted)}
    .lead{
      font-size:17px;
      color:#52637d;
      max-width:820px;
    }
    .muted{color:var(--color-muted)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 11px;
      background:#edf4ff;
      border:1px solid #d9e8ff;
      color:#2555a8;
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .badge.gold{
      background:var(--color-accent-soft);
      color:#8a5a00;
      border-color:#ffe5a3;
    }
    .badge.green{
      background:#e8fbf5;
      color:#08725f;
      border-color:#c7f2e6;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--ease);
      box-shadow:none;
      line-height:1;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--color-primary),#3b82f6);
      color:#fff;
      box-shadow:0 14px 26px rgba(37,99,235,.24);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(37,99,235,.32);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary);
      border-color:#cfe0f8;
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      border-color:#9fc0f5;
      background:#f7fbff;
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:#1c335b;
      background:rgba(255,255,255,.64);
      border-color:rgba(200,215,238,.8);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      background:#fff;
      color:var(--color-primary);
      transform:translateY(-1px);
    }
    .btn:focus,input:focus,textarea:focus{
      outline:3px solid rgba(37,99,235,.18);
      outline-offset:3px;
    }

    /* Header */
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,230,245,.86);
      box-shadow:0 10px 32px rgba(15,35,75,.05);
    }
    .header-top{
      background:linear-gradient(90deg,#eaf2ff,#fff7df);
      border-bottom:1px solid rgba(220,230,245,.76);
      color:#38506f;
      font-size:13px;
    }
    .top-inner{
      height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .top-notice{
      display:flex;
      align-items:center;
      gap:9px;
      min-width:0;
    }
    .top-notice span{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .top-chips{
      display:flex;
      align-items:center;
      gap:8px;
      flex-shrink:0;
    }
    .notice-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(200,215,238,.72);
      color:#28476f;
      font-weight:700;
      line-height:1;
    }
    .notice-chip:hover{background:#fff;color:var(--color-primary)}
    .nav-inner{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      color:#10213b;
      letter-spacing:-.02em;
      font-size:21px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg,#f7c948 0%,#f59e0b 48%,#2563eb 49%,#1d4ed8 100%);
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 12px 22px rgba(37,99,235,.18);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      width:18px;
      height:18px;
      border:3px solid rgba(255,255,255,.86);
      border-radius:50%;
      position:absolute;
      right:6px;
      bottom:6px;
    }
    .nav-right{
      display:flex;
      align-items:center;
      gap:18px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
    }
    .main-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:#3a4d6a;
      font-weight:800;
      font-size:15px;
    }
    .main-nav a:hover{
      background:#eef5ff;
      color:var(--color-primary);
    }
    .main-nav a.active{
      background:#e9f1ff;
      color:var(--color-primary);
      box-shadow:inset 0 0 0 1px #d5e5ff;
    }
    .header-search{
      display:flex;
      align-items:center;
      min-width:230px;
      height:42px;
      padding:0 12px;
      border:1px solid var(--color-border);
      border-radius:999px;
      background:#fff;
      box-shadow:0 8px 20px rgba(15,35,75,.04);
    }
    .header-search i{color:#7e8da5;margin-right:8px}
    .header-search input{
      border:0;
      box-shadow:none;
      height:38px;
      margin:0;
      padding:0;
      color:#32435f;
      background:transparent;
      font-size:14px;
    }
    .header-search input:focus{
      outline:none;
      box-shadow:none;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--color-border);
      background:#fff;
      border-radius:14px;
      color:#203553;
    }

    /* Hero */
    .hero{
      padding:0;
      background:linear-gradient(180deg,#f5f9ff 0%,#ffffff 100%);
      border-bottom:1px solid rgba(220,230,245,.72);
    }
    .hero-ribbon{
      background:
        linear-gradient(90deg,rgba(37,99,235,.1),rgba(244,182,63,.15)),
        linear-gradient(135deg,#f8fbff,#eef5ff);
      border-bottom:1px solid rgba(220,230,245,.8);
    }
    .hero-ribbon-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .ribbon-left{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .ribbon-icon{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:#fff;
      color:var(--color-primary);
      box-shadow:var(--shadow-sm);
      flex:0 0 auto;
    }
    .ribbon-text strong{
      display:block;
      color:#162a48;
      font-size:15px;
    }
    .ribbon-text span{
      display:block;
      color:#63738d;
      font-size:13px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .ribbon-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .hero-main{
      padding:58px 0 64px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(207,224,248,.9);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 88% 12%,rgba(244,182,63,.28),transparent 28%),
        radial-gradient(circle at 14% 4%,rgba(37,99,235,.16),transparent 28%),
        linear-gradient(135deg,#ffffff 0%,#f8fbff 58%,#eef5ff 100%);
      box-shadow:var(--shadow-md);
      padding:34px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -120px -170px auto;
      width:360px;height:360px;
      border-radius:50%;
      background:rgba(37,99,235,.08);
    }
    .hero-content{
      position:relative;
      z-index:1;
      max-width:920px;
    }
    .hero-copy{
      font-size:18px;
      max-width:780px;
      color:#4f607b;
      margin-bottom:24px;
    }
    .hero-cta{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-bottom:26px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      max-width:900px;
    }
    .metric-card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(207,224,248,.85);
      border-radius:18px;
      padding:16px 18px;
      box-shadow:0 10px 26px rgba(15,35,75,.06);
    }
    .metric-card strong{
      display:block;
      font-size:24px;
      color:#12305b;
      line-height:1.15;
      margin-bottom:5px;
    }
    .metric-card span{
      color:#65758d;
      font-size:14px;
    }

    /* Cards */
    .card-modern{
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      background:var(--color-surface);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      height:100%;
      overflow:hidden;
    }
    .card-modern:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:#c7dbfb;
    }
    .card-body{padding:24px}
    .icon-box{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      background:#edf4ff;
      color:var(--color-primary);
      margin-bottom:18px;
      font-size:20px;
    }
    .icon-box.gold{background:var(--color-accent-soft);color:#9a6500}
    .icon-box.green{background:#e8fbf5;color:#08725f}
    .icon-box.dark{background:#ecf1f8;color:#293b58}

    /* Coupon grid */
    .coupon-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .coupon{
      position:relative;
      min-height:214px;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:var(--ease);
    }
    .coupon:before,.coupon:after{
      content:"";
      position:absolute;
      top:94px;
      width:22px;height:22px;
      border-radius:50%;
      background:var(--color-bg);
      border:1px solid var(--color-border);
      z-index:2;
    }
    .coupon:before{left:-12px}
    .coupon:after{right:-12px}
    .coupon:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:#c8dcfb;
    }
    .coupon-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      padding-bottom:18px;
      margin-bottom:18px;
      border-bottom:1px dashed #cbd8ec;
    }
    .coupon-value{
      font-size:32px;
      line-height:1;
      font-weight:950;
      color:#13233f;
      letter-spacing:-.05em;
    }
    .coupon-value small{
      font-size:14px;
      color:#6d7d95;
      letter-spacing:0;
      margin-left:2px;
    }
    .coupon h3{font-size:19px}
    .coupon p{
      font-size:14px;
      margin-bottom:16px;
    }
    .coupon-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:850;
      color:var(--color-primary);
      font-size:14px;
    }
    .coupon-link:hover{gap:12px}

    /* Rule timeline */
    .rules-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:26px;
      align-items:stretch;
    }
    .rules-intro{
      background:
        linear-gradient(145deg,#13305b,#1d4ed8);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:32px;
      box-shadow:var(--shadow-md);
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .rules-intro:after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      border-radius:50%;
      right:-82px;bottom:-86px;
      background:rgba(255,255,255,.12);
    }
    .rules-intro h2,.rules-intro p{color:#fff}
    .rules-intro p{opacity:.82}
    .rule-list{
      display:grid;
      gap:14px;
    }
    .rule-item{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      align-items:flex-start;
      padding:20px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:20px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .rule-item:hover{
      border-color:#c5daf8;
      transform:translateX(3px);
    }
    .rule-num{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),#60a5fa);
      box-shadow:0 10px 18px rgba(37,99,235,.18);
    }
    .rule-item p{margin:0;font-size:14px}

    /* Focus themes */
    .theme-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .theme-large{
      padding:28px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg,#ffffff,#f2f7ff);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .theme-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .theme-small-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .theme-card{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .theme-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:#c7dbfb;
    }
    .theme-card p{font-size:14px;margin-bottom:0}

    /* Screenshot stage */
    .stage{
      background:linear-gradient(180deg,#f8fbff,#ffffff);
    }
    .stage-wrap{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:center;
    }
    .device-stage{
      position:relative;
      min-height:448px;
      border-radius:34px;
      background:
        radial-gradient(circle at 24% 18%,rgba(244,182,63,.2),transparent 25%),
        linear-gradient(145deg,#10213b,#173a73);
      padding:28px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .device-stage:before{
      content:"";
      position:absolute;
      inset:30px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:28px;
      pointer-events:none;
    }
    .screen-card{
      position:relative;
      z-index:1;
      background:#fff;
      border-radius:28px;
      padding:18px;
      max-width:390px;
      margin:auto;
      box-shadow:0 28px 70px rgba(0,0,0,.25);
      border:8px solid rgba(255,255,255,.18);
    }
    .screen-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:16px;
    }
    .screen-dot{
      width:44px;height:7px;border-radius:999px;
      background:#d7e1ef;
    }
    .screen-list{
      display:grid;
      gap:10px;
    }
    .screen-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px;
      border-radius:16px;
      background:#f5f8fd;
      border:1px solid #e4ecf7;
    }
    .screen-item strong{font-size:14px;color:#203553}
    .screen-item span{font-size:12px;color:#75849b}
    .screen-pill{
      width:62px;height:25px;border-radius:999px;
      background:linear-gradient(135deg,#f4b63f,#f59e0b);
      display:grid;place-items:center;
      color:#fff;
      font-size:12px;
      font-weight:800;
      flex:0 0 auto;
    }
    .feature-list{
      display:grid;
      gap:14px;
      margin-top:24px;
    }
    .feature-line{
      display:flex;
      gap:13px;
      align-items:flex-start;
      padding:16px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:18px;
      box-shadow:0 8px 20px rgba(15,35,75,.05);
    }
    .feature-line i{
      width:32px;height:32px;border-radius:11px;
      display:grid;place-items:center;
      background:#eaf2ff;
      color:var(--color-primary);
      flex:0 0 auto;
    }
    .feature-line p{margin:0;font-size:14px}

    /* Membership */
    .membership{
      background:#fff;
    }
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-bottom:28px;
    }
    .benefit-card{
      padding:24px;
      border-radius:24px;
      border:1px solid var(--color-border);
      background:linear-gradient(180deg,#fff,#f9fbff);
      box-shadow:var(--shadow-sm);
    }
    .benefit-card.featured{
      border-color:#f2cf7f;
      background:linear-gradient(180deg,#fffaf0,#ffffff);
      box-shadow:0 16px 36px rgba(244,182,63,.14);
    }
    .compare-card{
      overflow:hidden;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-md);
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:0;
    }
    .compare-table th,.compare-table td{
      padding:18px 20px;
      border-bottom:1px solid var(--color-border);
      color:#314562;
      vertical-align:middle;
    }
    .compare-table th{
      background:#f0f6ff;
      color:#162a48;
      font-weight:900;
    }
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td:not(:first-child),.compare-table th:not(:first-child){text-align:center}
    .check{color:var(--color-success);font-weight:900}
    .dash{color:#9aa8ba}

    /* Reviews */
    .review-layout{
      display:grid;
      grid-template-columns:330px 1fr;
      gap:22px;
    }
    .score-card{
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg,#fff,#f3f7ff);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-md);
      padding:28px;
    }
    .score-num{
      font-size:58px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
      color:#10213b;
      margin-bottom:10px;
    }
    .stars{color:#f59e0b;letter-spacing:2px;margin-bottom:12px}
    .review-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .review-card{
      padding:22px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
    }
    .review-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      color:#7d8aa0;
      font-size:13px;
    }

    /* FAQ */
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:128px;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
    }
    .accordion{
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--color-border);
      border-radius:20px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 8px 22px rgba(15,35,75,.05);
    }
    .accordion-title{
      border:0!important;
      padding:20px 54px 20px 20px;
      font-size:16px;
      font-weight:900;
      color:#172944;
      line-height:1.45;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#f5f9ff;
      color:var(--color-primary);
    }
    .accordion-title:before{
      right:20px;
      margin-top:-10px;
      font-size:22px;
      color:var(--color-primary);
    }
    .accordion-content{
      border:0!important;
      border-top:1px solid var(--color-border)!important;
      padding:18px 20px 22px;
      color:var(--color-muted);
      background:#fbfdff;
    }
    .accordion-content p{margin-bottom:0}

    /* News */
    .news{
      background:linear-gradient(180deg,#ffffff,#f7faff);
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.36fr .64fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:116px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:20px;
      box-shadow:0 8px 22px rgba(15,35,75,.05);
      transition:var(--ease);
    }
    .news-item:hover{
      transform:translateY(-2px);
      border-color:#c7dbfb;
      box-shadow:var(--shadow-sm);
    }
    .news-date{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      min-height:72px;
      background:#f0f6ff;
      color:#234979;
      font-weight:900;
    }
    .news-date small{font-size:12px;color:#708099;font-weight:800}
    .news-title{
      font-size:17px;
      font-weight:900;
      color:#172944;
      margin-bottom:4px;
      display:inline-block;
    }
    .news-title:hover{color:var(--color-primary)}
    .news-summary{
      margin:0;
      font-size:14px;
      color:#697991;
    }
    .news-arrow{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      background:#eef5ff;
      color:var(--color-primary);
    }
    .recommend-box{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#12213b;
      color:#fff;
      box-shadow:var(--shadow-lg);
      position:sticky;
      top:128px;
    }
    .recommend-box h3,.recommend-box p{color:#fff}
    .recommend-box p{opacity:.78}
    .recommend-links{
      display:grid;
      gap:10px;
      margin:18px 0 22px;
    }
    .recommend-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-weight:800;
    }
    .recommend-links a:hover{
      background:rgba(255,255,255,.14);
      color:#fff;
      transform:translateX(3px);
    }

    /* CTA */
    .use-cta{
      padding:78px 0;
      background:
        radial-gradient(circle at 16% 22%,rgba(244,182,63,.22),transparent 28%),
        linear-gradient(135deg,#eaf2ff,#ffffff 58%,#fff7df);
    }
    .cta-card{
      border-radius:34px;
      border:1px solid rgba(207,224,248,.9);
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      backdrop-filter:blur(12px);
    }
    .cta-copy{
      padding:38px;
    }
    .cta-copy h2{font-size:clamp(28px,3.2vw,44px)}
    .cta-form{
      padding:34px;
      background:#10213b;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .cta-form h3,.cta-form p{color:#fff}
    .cta-form p{opacity:.78}
    .form-row{
      display:flex;
      gap:10px;
      margin-top:12px;
    }
    .form-row input{
      height:50px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.1);
      color:#fff;
      padding:0 16px;
      box-shadow:none;
      margin:0;
    }
    .form-row input::placeholder{color:rgba(255,255,255,.62)}
    .form-row input:focus{
      border-color:rgba(255,255,255,.45);
      background:rgba(255,255,255,.14);
      box-shadow:none;
    }
    .form-note{
      margin-top:12px;
      font-size:13px;
      color:rgba(255,255,255,.66);
    }

    /* Footer */
    .site-footer{
      background:#0d1b31;
      color:#c8d4e8;
      padding:56px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      gap:32px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:21px;
      font-weight:950;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-desc{
      color:#9fb0ca;
      max-width:520px;
      margin-bottom:20px;
    }
    .footer-social{
      display:flex;
      gap:10px;
    }
    .footer-social a{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.08);
      color:#d9e4f6;
      border:1px solid rgba(255,255,255,.1);
    }
    .footer-social a:hover{
      background:var(--color-primary);
      color:#fff;
      transform:translateY(-2px);
    }
    .footer-col h3{
      color:#fff;
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      list-style:none;
    }
    .footer-links a{
      color:#9fb0ca;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:24px;
      color:#8392aa;
      font-size:14px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      :root{--section:72px}
      .header-search{display:none}
      .coupon-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .rules-wrap,.stage-wrap,.theme-layout,.faq-wrap,.news-layout,.cta-card{grid-template-columns:1fr}
      .faq-aside,.recommend-box{position:static}
      .review-layout{grid-template-columns:1fr}
      .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .top-inner{height:auto;padding:9px 0;align-items:flex-start}
      .top-chips{display:none}
      .nav-inner{height:66px}
      .menu-toggle{display:grid;place-items:center}
      .nav-right{
        position:absolute;
        left:18px;
        right:18px;
        top:112px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:12px;
        background:#fff;
        border:1px solid var(--color-border);
        border-radius:22px;
        padding:14px;
        box-shadow:var(--shadow-lg);
      }
      .nav-right.open{display:flex}
      .main-nav{flex-direction:column;align-items:stretch}
      .main-nav a{display:block;text-align:center}
      .hero-ribbon-inner{align-items:flex-start;flex-direction:column;padding:15px 0}
      .ribbon-actions{justify-content:flex-start}
      .hero-main{padding:36px 0 46px}
      .hero-panel{padding:24px;border-radius:26px}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .btn{margin-top:14px}
      .theme-small-grid,.benefit-grid,.review-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:12px}
      .news-date{align-items:flex-start;padding:12px 14px;min-height:auto}
      .news-arrow{display:none}
      .compare-card{overflow-x:auto}
      .compare-table{min-width:680px}
      .footer-grid{grid-template-columns:1fr}
      .form-row{flex-direction:column}
      .form-row .btn{width:100%}
      .cta-copy,.cta-form{padding:26px}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 28px),var(--container))}
      h1{font-size:31px}
      .hero-copy{font-size:16px}
      .hero-cta .btn,.ribbon-actions .btn{width:100%}
      .coupon-grid{grid-template-columns:1fr}
      .card-body,.coupon,.rule-item,.theme-card,.benefit-card,.review-card{padding:20px}
      .rule-item{grid-template-columns:1fr}
      .device-stage{min-height:390px;padding:18px;border-radius:26px}
      .screen-card{border-width:5px}
      .footer-bottom{display:block}
    }
