/* roulang page: index */
:root{
      --color-primary:#1f6feb;
      --color-primary-dark:#1557c0;
      --color-primary-soft:#eaf2ff;
      --color-accent:#18a0fb;
      --color-accent-soft:#e8f7ff;
      --color-ink:#102033;
      --color-muted:#66758a;
      --color-light:#f6f9fe;
      --color-white:#ffffff;
      --color-line:#dbe6f5;
      --color-warning:#ff9f1c;
      --color-success:#20b486;
      --color-danger:#ef476f;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:32px;
      --shadow-sm:0 10px 24px rgba(20, 80, 150, .08);
      --shadow-md:0 18px 46px rgba(20, 80, 150, .14);
      --shadow-lg:0 28px 80px rgba(20, 80, 150, .20);
      --max:1180px;
      --nav-height:74px;
      --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-ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(31,111,235,.12), transparent 28%),
        radial-gradient(circle at 88% 8%, rgba(24,160,251,.14), transparent 30%),
        linear-gradient(180deg,#f8fbff 0%,#ffffff 42%,#f6f9fe 100%);
      line-height:1.75;
      padding-bottom:88px;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(31,111,235,.16)}
    :focus-visible{outline:3px solid rgba(31,111,235,.32);outline-offset:3px}

    .site-container{
      width:min(calc(100% - 40px),var(--max));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:16px;
      z-index:100;
      padding:18px 0 0;
    }

    .floating-nav{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 16px 12px 18px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,230,245,.9);
      border-radius:999px;
      box-shadow:var(--shadow-sm);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--color-ink);
    }

    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 12px 26px rgba(31,111,235,.28);
      font-weight:900;
      flex:none;
    }

    .brand-text{
      font-size:1.08rem;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      font-weight:800;
      color:#41516a;
    }

    .nav-links a:hover{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      transform:translateY(-1px);
    }

    .nav-links a.active{
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      color:#fff;
      box-shadow:0 10px 24px rgba(31,111,235,.22);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }

    .nav-search{
      width:210px;
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--color-line);
      border-radius:999px;
      background:#f8fbff;
      color:var(--color-muted);
    }

    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--color-ink);
      font-size:.92rem;
    }

    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:0;
      border-radius:50%;
      color:var(--color-primary);
      background:var(--color-primary-soft);
      align-items:center;
      justify-content:center;
      font-weight:900;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:999px;
      font-weight:900;
      line-height:1;
      transition:var(--ease);
      white-space:nowrap;
    }

    .btn-primary{
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      color:#fff;
      box-shadow:0 14px 30px rgba(31,111,235,.25);
    }

    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(31,111,235,.32);
    }

    .btn-ghost{
      background:#fff;
      border-color:var(--color-line);
      color:var(--color-primary-dark);
      box-shadow:var(--shadow-sm);
    }

    .btn-ghost:hover{
      background:var(--color-primary-soft);
      border-color:#bdd5ff;
      transform:translateY(-2px);
    }

    .btn-soft{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }

    .btn-soft:hover{
      background:#dceaff;
      transform:translateY(-2px);
    }

    main{position:relative}
    .section{
      padding:86px 0;
    }
    .section.compact{padding:62px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      margin-bottom:14px;
      border-radius:999px;
      background:var(--color-accent-soft);
      color:var(--color-primary-dark);
      font-weight:900;
      font-size:.88rem;
    }
    .section-title{
      margin:0 0 12px;
      font-size:clamp(1.9rem,3.2vw,3.15rem);
      line-height:1.14;
      letter-spacing:-.04em;
      color:var(--color-ink);
      font-weight:950;
    }
    .section-desc{
      margin:0;
      color:var(--color-muted);
      font-size:1.06rem;
      max-width:790px;
    }

    .hero{
      padding:58px 0 76px;
    }

    .hero-stage{
      position:relative;
      min-height:600px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(10,44,94,.88),rgba(31,111,235,.78)),
        radial-gradient(circle at 78% 20%,rgba(255,255,255,.32),transparent 32%),
        linear-gradient(120deg,#0b2b55,#1f6feb);
      box-shadow:var(--shadow-lg);
      color:#fff;
      isolation:isolate;
    }

    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent);
      opacity:.55;
      z-index:-1;
    }

    .hero-stage:after{
      content:"";
      position:absolute;
      right:-100px;
      bottom:-140px;
      width:520px;
      height:520px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
      filter:blur(4px);
      z-index:-1;
    }

    .hero-content{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(330px,.72fr);
      gap:34px;
      padding:44px;
      min-height:600px;
      align-items:stretch;
    }

    .live-cover{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:28px;
      min-height:510px;
      padding:28px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:26px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.06)),
        radial-gradient(circle at 16% 20%,rgba(255,255,255,.24),transparent 30%);
      backdrop-filter:blur(8px);
    }

    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:.86rem;
      font-weight:900;
      color:var(--color-primary-dark);
      background:#fff;
      box-shadow:0 8px 20px rgba(16,32,51,.08);
    }

    .badge.dark{
      color:#fff;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.22);
      box-shadow:none;
    }

    .badge.hot{
      color:#8a4b00;
      background:#fff4d9;
    }

    h1{
      margin:0 0 18px;
      max-width:850px;
      font-size:clamp(2.45rem,5vw,5.4rem);
      line-height:.98;
      letter-spacing:-.06em;
      font-weight:1000;
    }

    .hero-lead{
      max-width:780px;
      margin:0;
      color:rgba(255,255,255,.88);
      font-size:1.14rem;
      line-height:1.9;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }

    .hero-actions .btn-ghost{
      background:rgba(255,255,255,.95);
      border-color:rgba(255,255,255,.55);
    }

    .data-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:30px;
    }

    .data-item{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
    }

    .data-item strong{
      display:block;
      font-size:1.5rem;
      line-height:1;
      margin-bottom:8px;
      letter-spacing:-.03em;
    }

    .data-item span{
      color:rgba(255,255,255,.78);
      font-size:.92rem;
    }

    .reminder-panel{
      align-self:stretch;
      display:flex;
      flex-direction:column;
      gap:16px;
    }

    .countdown-card,.subscribe-card,.notice-card{
      border-radius:26px;
      background:rgba(255,255,255,.94);
      color:var(--color-ink);
      box-shadow:0 22px 56px rgba(0,0,0,.16);
      border:1px solid rgba(255,255,255,.6);
    }

    .countdown-card{
      padding:24px;
    }

    .card-label{
      display:flex;
      justify-content:space-between;
      gap:10px;
      margin-bottom:16px;
      color:var(--color-muted);
      font-weight:800;
      font-size:.92rem;
    }

    .live-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--color-danger);
      font-weight:950;
    }

    .live-dot:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-danger);
      box-shadow:0 0 0 6px rgba(239,71,111,.13);
    }

    .countdown-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
    }

    .time-box{
      padding:14px 8px;
      text-align:center;
      border-radius:17px;
      background:linear-gradient(180deg,#f5f9ff,#eef5ff);
      border:1px solid #dbe9ff;
    }

    .time-box b{
      display:block;
      font-size:1.75rem;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--color-primary-dark);
    }

    .time-box small{
      color:var(--color-muted);
      font-weight:800;
    }

    .subscribe-card{
      padding:24px;
    }

    .subscribe-card h2{
      margin:0 0 8px;
      font-size:1.35rem;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .subscribe-card p,.notice-card p{
      margin:0 0 16px;
      color:var(--color-muted);
      font-size:.98rem;
    }

    .reminder-form{
      display:flex;
      gap:10px;
      padding:8px;
      border:1px solid var(--color-line);
      border-radius:999px;
      background:#f8fbff;
    }

    .reminder-form input{
      flex:1;
      min-width:0;
      height:44px;
      padding:0 12px;
      border:0;
      outline:0;
      background:transparent;
      color:var(--color-ink);
    }

    .reminder-form button{
      border:0;
      min-height:44px;
      padding:0 16px;
    }

    .form-note{
      margin-top:12px;
      min-height:24px;
      color:var(--color-success);
      font-weight:800;
      font-size:.9rem;
    }

    .notice-card{
      padding:20px;
      background:rgba(255,255,255,.9);
    }

    .notice-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }

    .notice-list li{
      display:flex;
      gap:10px;
      color:#40506a;
      font-weight:750;
      font-size:.94rem;
    }

    .notice-list li:before{
      content:"✓";
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      flex:none;
      border-radius:50%;
      background:#e9f8f3;
      color:var(--color-success);
      font-weight:950;
    }

    .update-layout{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.62fr);
      gap:24px;
      align-items:start;
    }

    .timeline{
      position:relative;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-md);
    }

    .timeline:before{
      content:"";
      position:absolute;
      top:40px;
      bottom:40px;
      left:44px;
      width:2px;
      background:linear-gradient(180deg,var(--color-primary),rgba(31,111,235,.05));
    }

    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:72px 1fr;
      gap:18px;
      padding:0 0 26px;
    }

    .timeline-item:last-child{padding-bottom:0}
    .timeline-time{
      position:relative;
      z-index:1;
      width:52px;
      height:52px;
      display:grid;
      place-items:center;
      border-radius:18px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-weight:950;
      box-shadow:0 0 0 8px #fff;
    }

    .timeline-body h3{
      margin:0 0 7px;
      font-size:1.14rem;
      font-weight:950;
    }

    .timeline-body p{
      margin:0;
      color:var(--color-muted);
    }

    .side-stack{
      display:grid;
      gap:16px;
    }

    .mini-card{
      padding:22px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }

    .mini-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:#c7daf7;
    }

    .mini-card .num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      margin-bottom:14px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      color:#fff;
      font-weight:950;
    }

    .mini-card h3{
      margin:0 0 8px;
      font-size:1.12rem;
      font-weight:950;
    }

    .mini-card p{
      margin:0;
      color:var(--color-muted);
    }

    .answer-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:stretch;
    }

    .answer-lead{
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,#ffffff,#eef6ff);
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-md);
    }

    .answer-lead h3{
      margin:0 0 12px;
      font-size:1.8rem;
      letter-spacing:-.04em;
      font-weight:950;
    }

    .answer-lead p{
      margin:0 0 20px;
      color:var(--color-muted);
    }

    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .check-list li{
      display:flex;
      gap:10px;
      padding:12px;
      border-radius:16px;
      background:#fff;
      border:1px solid #e4eefb;
      font-weight:800;
      color:#40506a;
    }

    .check-list li:before{
      content:"";
      width:10px;
      height:10px;
      margin-top:8px;
      flex:none;
      border-radius:50%;
      background:var(--color-success);
      box-shadow:0 0 0 5px rgba(32,180,134,.12);
    }

    .faq-list{
      display:grid;
      gap:14px;
    }

    .faq-item{
      overflow:hidden;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-sm);
    }

    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      border:0;
      background:#fff;
      color:var(--color-ink);
      text-align:left;
      font-weight:950;
      transition:var(--ease);
    }

    .faq-question:hover{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }

    .faq-question .plus{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      flex:none;
      transition:var(--ease);
    }

    .faq-item.active .faq-question .plus{
      transform:rotate(45deg);
      background:var(--color-primary);
      color:#fff;
    }

    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--color-muted);
    }

    .faq-item.active .faq-answer{display:block}

    .info-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:24px;
      align-items:start;
    }

    .article-panel,.recommend-panel{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }

    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:22px 24px;
      border-bottom:1px solid var(--color-line);
      background:linear-gradient(180deg,#fff,#f8fbff);
    }

    .panel-top h3{
      margin:0;
      font-size:1.26rem;
      font-weight:950;
    }

    .panel-top a{
      color:var(--color-primary-dark);
      font-weight:900;
    }

    .article-list{
      margin:0;
      padding:0;
      list-style:none;
    }

    .article-list li{
      border-bottom:1px solid #edf3fb;
    }

    .article-list li:last-child{border-bottom:0}

    .article-link{
      display:grid;
      grid-template-columns:92px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 24px;
    }

    .article-link:hover{
      background:#f8fbff;
      color:var(--color-ink);
    }

    .article-date{
      color:var(--color-primary-dark);
      font-weight:950;
    }

    .article-title{
      min-width:0;
    }

    .article-title strong{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:1.05rem;
      color:var(--color-ink);
    }

    .article-title span{
      display:block;
      color:var(--color-muted);
      font-size:.92rem;
      margin-top:4px;
    }

    .arrow{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-weight:950;
    }

    .recommend-panel{
      padding:24px;
    }

    .rank-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .rank-item{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
      padding:14px;
      border-radius:18px;
      background:#f8fbff;
      border:1px solid #e6effb;
    }

    .rank-no{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:15px;
      background:#fff;
      color:var(--color-primary-dark);
      font-weight:950;
      box-shadow:var(--shadow-sm);
    }

    .rank-item strong{
      display:block;
      margin-bottom:4px;
      font-weight:950;
    }

    .rank-item span{
      color:var(--color-muted);
      font-size:.92rem;
    }

    .recommend-cta{
      margin-top:18px;
      width:100%;
    }

    .progress-shell{
      display:grid;
      grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
      gap:24px;
      align-items:stretch;
    }

    .progress-card{
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-md);
    }

    .progress-card h3{
      margin:0 0 12px;
      font-size:1.55rem;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .progress-card p{
      margin:0 0 20px;
      color:var(--color-muted);
    }

    .progress-meter{
      height:14px;
      overflow:hidden;
      border-radius:999px;
      background:#e7eef9;
      margin:18px 0 12px;
    }

    .progress-meter span{
      display:block;
      width:72%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-success));
      box-shadow:0 8px 18px rgba(32,180,134,.22);
    }

    .task-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .task-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border:1px solid #e5eefb;
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      color:#40506a;
      font-weight:800;
    }

    .task-state{
      padding:5px 10px;
      border-radius:999px;
      color:var(--color-success);
      background:#e9f8f3;
      font-size:.84rem;
      font-weight:950;
      white-space:nowrap;
    }

    .security{
      background:linear-gradient(180deg,#eef6ff,#ffffff);
      border-top:1px solid #e2edf9;
      border-bottom:1px solid #e2edf9;
    }

    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }

    .security-card{
      min-height:245px;
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }

    .security-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:#c7daf7;
    }

    .security-icon{
      width:54px;
      height:54px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      border-radius:18px;
      background:linear-gradient(135deg,var(--color-primary-soft),#fff);
      color:var(--color-primary-dark);
      font-size:1.35rem;
      font-weight:950;
    }

    .security-card h3{
      margin:0 0 10px;
      font-size:1.14rem;
      font-weight:950;
    }

    .security-card p{
      margin:0 0 16px;
      color:var(--color-muted);
      font-size:.96rem;
    }

    .score-bar{
      height:8px;
      border-radius:999px;
      background:#e8eff8;
      overflow:hidden;
    }

    .score-bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
    }

    .app-stage{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(330px,.7fr);
      gap:28px;
      align-items:center;
      padding:34px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }

    .app-stage:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(31,111,235,.10);
    }

    .step-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin:24px 0;
    }

    .step-card{
      padding:18px;
      border-radius:20px;
      background:#f8fbff;
      border:1px solid #e5eefb;
    }

    .step-card b{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      margin-bottom:12px;
      border-radius:12px;
      background:var(--color-primary);
      color:#fff;
    }

    .step-card strong{
      display:block;
      margin-bottom:6px;
      font-weight:950;
    }

    .step-card span{
      color:var(--color-muted);
      font-size:.92rem;
    }

    .download-buttons{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }

    .app-card{
      position:relative;
      z-index:1;
      padding:26px;
      border-radius:30px;
      background:linear-gradient(180deg,#f8fbff,#edf5ff);
      border:1px solid #dbe9ff;
      box-shadow:var(--shadow-md);
    }

    .qr-box{
      width:190px;
      height:190px;
      margin:0 auto 20px;
      padding:16px;
      border-radius:26px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      display:grid;
      grid-template-columns:repeat(5,1fr);
      grid-template-rows:repeat(5,1fr);
      gap:7px;
    }

    .qr-box i{
      display:block;
      border-radius:6px;
      background:var(--color-primary);
    }

    .qr-box i:nth-child(2n){background:#9cc7ff}
    .qr-box i:nth-child(3n){background:#d8e9ff}
    .qr-box i:nth-child(1),
    .qr-box i:nth-child(5),
    .qr-box i:nth-child(21),
    .qr-box i:nth-child(25){background:var(--color-ink)}

    .app-card h3{
      margin:0 0 8px;
      text-align:center;
      font-size:1.32rem;
      font-weight:950;
    }

    .app-card p{
      margin:0;
      text-align:center;
      color:var(--color-muted);
    }

    .footer{
      padding:58px 0 36px;
      background:#0d2038;
      color:#d9e7fb;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      color:#fff;
      font-weight:950;
      font-size:1.16rem;
    }

    .footer p{
      margin:0;
      color:#aebfda;
      max-width:560px;
    }

    .footer h3{
      margin:0 0 14px;
      color:#fff;
      font-size:1rem;
      font-weight:950;
    }

    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .footer-links a{
      color:#aebfda;
    }

    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }

    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#93a9c9;
      font-size:.92rem;
    }

    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      z-index:120;
      transform:translateX(-50%);
      width:min(calc(100% - 32px),980px);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px 12px 20px;
      border-radius:999px;
      background:rgba(255,255,255,.94);
      border:1px solid var(--color-line);
      box-shadow:0 18px 55px rgba(16,32,51,.18);
      backdrop-filter:blur(18px);
    }

    .fixed-cta strong{
      display:block;
      line-height:1.25;
      font-weight:950;
    }

    .fixed-cta span{
      display:block;
      color:var(--color-muted);
      font-size:.9rem;
    }

    .fixed-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:none;
    }

    @media (max-width:1024px){
      .site-container{width:min(calc(100% - 32px),var(--max))}
      .nav-search{display:none}
      .hero-content,.update-layout,.answer-grid,.info-layout,.progress-shell,.app-stage{
        grid-template-columns:1fr;
      }
      .hero-content{padding:30px}
      .hero-stage,.live-cover{min-height:auto}
      .security-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      body{padding-bottom:120px}
      .site-header{top:10px;padding-top:10px}
      .floating-nav{
        border-radius:26px;
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .menu-toggle{display:inline-flex}
      .nav-links{
        order:3;
        width:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding-top:12px;
        border-top:1px solid var(--color-line);
      }
      .floating-nav.open .nav-links{display:flex}
      .nav-links a{
        justify-content:center;
        width:100%;
      }
      .nav-actions .btn{display:none}
      .hero{padding-top:34px}
      .hero-content{padding:22px}
      .live-cover{padding:22px}
      .data-strip,.step-row{grid-template-columns:1fr}
      .countdown-grid{grid-template-columns:repeat(2,1fr)}
      .section{padding:64px 0}
      .article-link{
        grid-template-columns:1fr;
        gap:6px;
      }
      .arrow{display:none}
      .security-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .fixed-cta{
        align-items:stretch;
        border-radius:24px;
        flex-direction:column;
      }
      .fixed-actions{width:100%}
      .fixed-actions .btn{flex:1}
    }

    @media (max-width:520px){
      .site-container{width:min(calc(100% - 22px),var(--max))}
      .brand-text{max-width:160px}
      .hero-content{padding:14px}
      .hero-stage{border-radius:24px}
      .live-cover,.countdown-card,.subscribe-card,.notice-card{
        border-radius:20px;
      }
      h1{font-size:2.28rem}
      .hero-lead{font-size:1rem}
      .hero-actions .btn{width:100%}
      .reminder-form{
        border-radius:22px;
        flex-direction:column;
      }
      .reminder-form button{width:100%}
      .timeline{padding:22px}
      .timeline:before{left:36px}
      .timeline-item{grid-template-columns:54px 1fr;gap:14px}
      .timeline-time{width:42px;height:42px;border-radius:14px;font-size:.9rem}
      .section-title{font-size:1.86rem}
      .panel-top{align-items:flex-start;flex-direction:column}
      .app-stage{padding:22px}
      .qr-box{width:162px;height:162px}
      .fixed-actions{flex-direction:column}
    }