/* roulang page: index */
:root{
      --color-primary:#ffb020;
      --color-primary-strong:#f08a00;
      --color-secondary:#6d5dfc;
      --color-accent:#19c6a4;
      --color-danger:#f04438;
      --color-dark:#111827;
      --color-ink:#1f2937;
      --color-muted:#657083;
      --color-soft:#f6f7fb;
      --color-soft-2:#fff7e8;
      --color-white:#ffffff;
      --color-border:#e6e9f0;
      --shadow-sm:0 8px 24px rgba(17,24,39,.08);
      --shadow-md:0 18px 50px rgba(17,24,39,.12);
      --shadow-lg:0 28px 80px rgba(17,24,39,.18);
      --radius-sm:10px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --section:92px;
      --ease:all .22s 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 8% 4%, rgba(255,176,32,.18), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(109,93,252,.14), transparent 30%),
        linear-gradient(180deg,#fffaf1 0%,#ffffff 24%,#f7f8fc 100%);
      line-height:1.75;
      letter-spacing:.01em;
      min-width:320px;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--color-primary-strong)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,select,textarea{
      width:100%;
      border:1px solid var(--color-border);
      border-radius:14px;
      padding:13px 14px;
      background:#fff;
      color:var(--color-ink);
      outline:none;
      transition:var(--ease);
    }
    input:focus,select:focus,textarea:focus{
      border-color:rgba(255,176,32,.8);
      box-shadow:0 0 0 4px rgba(255,176,32,.18);
    }
    textarea{min-height:112px;resize:vertical}
    ::selection{background:rgba(255,176,32,.32)}

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      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-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--color-primary-strong);
      font-weight:800;
      font-size:14px;
      letter-spacing:.06em;
    }
    .section-title{
      margin:0;
      color:var(--color-dark);
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--color-muted);
      max-width:680px;
      font-size:16px;
    }

    .skip-note{
      position:absolute;
      left:-999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:70;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(180%) blur(18px);
      border-bottom:1px solid rgba(230,233,240,.88);
      box-shadow:0 12px 28px rgba(17,24,39,.04);
    }
    .header-main{
      min-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:var(--color-dark);
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#14110a;
      background:
        linear-gradient(135deg,#ffd46a 0%,#ffb020 46%,#ff7a1a 100%);
      box-shadow:0 12px 30px rgba(255,176,32,.28);
      font-weight:950;
    }
    .brand-text{font-size:18px}
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      padding:10px 16px;
      border-radius:999px;
      color:#344054;
      font-weight:750;
      font-size:15px;
    }
    .nav-link:hover,.nav-link.active{
      background:#fff4dc;
      color:#a75b00;
    }
    .notice-chips{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }
    .notice-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:9px 12px;
      border-radius:999px;
      background:#f7f8fb;
      color:#4b5563;
      border:1px solid var(--color-border);
      font-size:13px;
      font-weight:800;
    }
    .notice-chip:hover{
      transform:translateY(-1px);
      color:#111827;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:#111827;
      color:#fff;
      align-items:center;
      justify-content:center;
    }
    .menu-toggle:focus{outline:3px solid rgba(255,176,32,.45);outline-offset:3px}
    .mobile-panel{
      display:none;
      padding:0 0 16px;
      border-top:1px solid var(--color-border);
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      font-weight:800;
      color:#344054;
      border-bottom:1px dashed #e9edf5;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 20px;
      min-height:48px;
      font-weight:900;
      line-height:1;
      border:1px solid transparent;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,#ffcb55,#ff9f1c);
      color:#211603;
      box-shadow:0 16px 36px rgba(255,176,32,.3);
    }
    .btn-primary:hover{color:#211603;transform:translateY(-2px);box-shadow:0 22px 46px rgba(255,176,32,.38)}
    .btn-dark{
      background:#111827;
      color:#fff;
      box-shadow:0 16px 34px rgba(17,24,39,.22);
    }
    .btn-dark:hover{color:#fff;background:#000;transform:translateY(-2px)}
    .btn-light{
      background:#fff;
      color:#1f2937;
      border-color:var(--color-border);
    }
    .btn-light:hover{background:#fffaf0;color:#a75b00;border-color:#ffd894;transform:translateY(-2px)}
    .btn-danger{
      background:linear-gradient(135deg,#ff6b5f,#ef4444);
      color:#fff;
      box-shadow:0 14px 32px rgba(240,68,56,.25);
    }
    .btn-danger:hover{color:#fff;transform:translateY(-2px)}
    .btn:focus{outline:3px solid rgba(255,176,32,.45);outline-offset:3px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff4dc;
      color:#9a5700;
      border:1px solid #ffe1a7;
      font-weight:900;
      font-size:13px;
    }
    .badge-dark{
      background:rgba(17,24,39,.9);
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:8px 12px;
      border:1px solid var(--color-border);
      background:#fff;
      color:#596579;
      font-size:13px;
      font-weight:800;
    }
    .tag:hover{background:#111827;color:#fff;border-color:#111827}

    .hero{
      padding:66px 0 78px;
      overflow:hidden;
    }
    .hero-shell{
      border:1px solid rgba(255,255,255,.7);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(17,24,39,.92),rgba(36,28,18,.9) 48%,rgba(111,62,0,.86)),
        radial-gradient(circle at 70% 20%,rgba(255,176,32,.35),transparent 32%);
      box-shadow:var(--shadow-lg);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:-120px -100px auto auto;
      width:330px;
      height:330px;
      border-radius:50%;
      background:rgba(255,176,32,.16);
      filter:blur(2px);
    }
    .hero-ribbon{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:14px 24px;
      background:rgba(255,255,255,.08);
      border-bottom:1px solid rgba(255,255,255,.12);
      position:relative;
      z-index:1;
    }
    .countdown{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color:#ffe8b0;
      font-weight:900;
      font-size:14px;
    }
    .countdown-time{
      display:flex;
      align-items:center;
      gap:6px;
    }
    .time-box{
      min-width:34px;
      padding:5px 8px;
      border-radius:9px;
      text-align:center;
      color:#111827;
      background:#ffcb55;
      font-variant-numeric:tabular-nums;
      box-shadow:inset 0 -2px 0 rgba(0,0,0,.08);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      padding:48px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      max-width:650px;
    }
    .hero h1{
      margin:18px 0 18px;
      color:#fff;
      font-size:clamp(38px,5.6vw,68px);
      line-height:1.05;
      letter-spacing:-.06em;
      font-weight:950;
    }
    .hero-lead{
      margin:0;
      color:rgba(255,255,255,.82);
      font-size:18px;
      max-width:620px;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-points{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .hero-point{
      padding:15px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:rgba(255,255,255,.08);
    }
    .hero-point strong{
      display:block;
      color:#ffcf5b;
      font-size:22px;
      line-height:1.2;
      font-weight:950;
    }
    .hero-point span{
      color:rgba(255,255,255,.72);
      font-size:13px;
      font-weight:700;
    }
    .course-card{
      background:rgba(255,255,255,.96);
      color:var(--color-dark);
      border-radius:30px;
      padding:24px;
      box-shadow:0 28px 70px rgba(0,0,0,.28);
      align-self:center;
      position:relative;
      overflow:hidden;
    }
    .course-card:before{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:170px;
      height:170px;
      border-radius:50%;
      background:rgba(255,176,32,.24);
    }
    .course-top{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      position:relative;
      z-index:1;
    }
    .course-title{
      margin:14px 0 8px;
      font-size:28px;
      line-height:1.2;
      letter-spacing:-.04em;
      font-weight:950;
      color:#111827;
      position:relative;
      z-index:1;
    }
    .course-text{
      margin:0 0 18px;
      color:#5e6676;
      font-size:15px;
      position:relative;
      z-index:1;
    }
    .lesson-list{
      display:grid;
      gap:10px;
      position:relative;
      z-index:1;
      margin:18px 0;
    }
    .lesson-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:13px 14px;
      border-radius:16px;
      background:#f6f7fb;
      border:1px solid #eef1f6;
      font-weight:850;
      color:#293244;
    }
    .lesson-item small{
      color:#778195;
      font-weight:800;
      white-space:nowrap;
    }
    .course-actions{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      position:relative;
      z-index:1;
    }

    .sellpoints{
      background:#fff;
    }
    .triple-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
    }
    .feature-card{
      border:1px solid var(--color-border);
      background:#fff;
      border-radius:var(--radius-lg);
      padding:26px;
      min-height:230px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .feature-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:#ffd58a;
    }
    .feature-card.highlight{
      background:linear-gradient(180deg,#fff7e6,#ffffff);
      min-height:278px;
    }
    .feature-icon{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:#111827;
      color:#ffcf5b;
      font-weight:950;
      margin-bottom:20px;
      box-shadow:0 14px 28px rgba(17,24,39,.18);
    }
    .feature-card h3{
      margin:0 0 10px;
      font-size:23px;
      font-weight:950;
      color:#111827;
      letter-spacing:-.03em;
    }
    .feature-card p{
      margin:0;
      color:#667085;
      font-size:15px;
    }
    .feature-mini{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:20px;
      padding-top:16px;
      border-top:1px dashed #e6e9f0;
      color:#344054;
      font-weight:850;
      font-size:14px;
    }

    .scenario{
      background:linear-gradient(180deg,#f7f8fc 0%,#ffffff 100%);
    }
    .scenario-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .demo-panel{
      border-radius:var(--radius-xl);
      background:#111827;
      color:#fff;
      padding:28px;
      box-shadow:var(--shadow-lg);
      position:sticky;
      top:96px;
      overflow:hidden;
    }
    .demo-panel:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-80px;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(255,176,32,.18);
    }
    .demo-panel h3{
      margin:18px 0 10px;
      color:#fff;
      font-size:28px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .demo-panel p{color:rgba(255,255,255,.74);margin:0 0 24px}
    .signal-list{
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .signal-item{
      display:flex;
      align-items:center;
      gap:12px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      padding:14px;
    }
    .signal-dot{
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(25,198,164,.15);
      flex:0 0 auto;
    }
    .steps-grid{
      display:grid;
      gap:16px;
    }
    .step-card{
      display:grid;
      grid-template-columns:72px 1fr;
      gap:18px;
      align-items:start;
      padding:22px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .step-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
    .step-num{
      height:72px;
      border-radius:24px;
      display:grid;
      place-items:center;
      color:#111827;
      background:#ffcf5b;
      font-size:22px;
      font-weight:950;
    }
    .step-card h3{
      margin:0 0 8px;
      color:#111827;
      font-size:22px;
      font-weight:950;
    }
    .step-card p{margin:0;color:#667085}
    .compare-box{
      margin-top:20px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .compare-card{
      padding:20px;
      border-radius:22px;
      border:1px solid var(--color-border);
      background:#fff;
    }
    .compare-card.good{border-color:rgba(25,198,164,.35);background:#f1fffb}
    .compare-card.bad{border-color:rgba(240,68,56,.25);background:#fff5f5}
    .compare-card strong{display:block;margin-bottom:8px;color:#111827;font-size:18px}
    .compare-card ul{margin:0;padding-left:19px;color:#667085}

    .proof{
      background:#fff;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1.15fr;
      gap:24px;
      align-items:stretch;
    }
    .metric-board{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(145deg,#fff,#fff7e8);
      border:1px solid #ffe2aa;
      padding:26px;
      box-shadow:var(--shadow-sm);
    }
    .metric-board h3{
      margin:0 0 18px;
      color:#111827;
      font-size:25px;
      font-weight:950;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .metric{
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid #f0e6d2;
    }
    .metric strong{
      display:block;
      color:#111827;
      font-size:30px;
      line-height:1.1;
      font-weight:950;
    }
    .metric span{
      color:#687386;
      font-size:13px;
      font-weight:800;
    }
    .expert-row{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding-bottom:8px;
      scroll-snap-type:x mandatory;
    }
    .expert-card{
      min-width:248px;
      scroll-snap-align:start;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:22px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .avatar{
      width:62px;
      height:62px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:#111827;
      color:#ffcf5b;
      font-weight:950;
      margin-bottom:16px;
    }
    .expert-card h3{margin:0 0 6px;color:#111827;font-size:20px;font-weight:950}
    .expert-card p{margin:0 0 14px;color:#667085;font-size:14px}
    .expert-card a{font-weight:900;color:#a75b00}

    .news{
      background:#f7f8fc;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.4fr .8fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-item{
      display:grid;
      grid-template-columns:104px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:0 8px 22px rgba(17,24,39,.04);
      transition:var(--ease);
    }
    .news-item:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
      border-color:#ffd58a;
    }
    .news-date{
      border-radius:18px;
      background:#111827;
      color:#fff;
      padding:13px 10px;
      text-align:center;
      font-weight:950;
      line-height:1.2;
    }
    .news-date small{display:block;color:#ffcf5b;font-size:12px;margin-top:4px}
    .news-item h3{
      margin:0 0 5px;
      color:#111827;
      font-size:19px;
      font-weight:950;
    }
    .news-item p{margin:0;color:#667085;font-size:14px}
    .arrow{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#fff7e8;
      color:#a75b00;
      font-weight:950;
    }
    .side-card{
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:#fff;
      padding:24px;
      box-shadow:var(--shadow-sm);
      margin-bottom:16px;
    }
    .side-card h3{
      margin:0 0 14px;
      color:#111827;
      font-size:22px;
      font-weight:950;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .notice-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .notice-list li{
      padding-left:16px;
      position:relative;
      color:#667085;
      font-size:14px;
    }
    .notice-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:11px;
      width:6px;
      height:6px;
      border-radius:50%;
      background:#ffb020;
    }

    .faq{
      background:#fff;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:24px;
      align-items:start;
    }
    .faq-intro{
      border-radius:var(--radius-xl);
      background:#111827;
      color:#fff;
      padding:28px;
      position:sticky;
      top:96px;
      box-shadow:var(--shadow-md);
    }
    .faq-intro h2{
      margin:12px 0 12px;
      color:#fff;
      font-size:34px;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .faq-intro p{margin:0;color:rgba(255,255,255,.74)}
    .accordion{
      background:transparent;
    }
    .accordion-item{
      border:1px solid var(--color-border);
      border-radius:22px;
      overflow:hidden;
      margin-bottom:14px;
      background:#fff;
      box-shadow:0 8px 22px rgba(17,24,39,.04);
    }
    .accordion-title{
      border:0 !important;
      color:#111827 !important;
      font-weight:950;
      font-size:18px;
      padding:20px 48px 20px 22px;
      line-height:1.45;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fff8ea;
      color:#a75b00 !important;
    }
    .accordion-content{
      border:0 !important;
      color:#667085;
      padding:0 22px 22px;
      background:#fff;
    }

    .rush{
      background:
        radial-gradient(circle at 18% 24%,rgba(255,176,32,.18),transparent 28%),
        linear-gradient(180deg,#fff7e8,#ffffff);
    }
    .rush-track{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .ticket-card{
      border-radius:28px;
      background:#fff;
      border:1px solid #ffdf9f;
      padding:24px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:var(--ease);
    }
    .ticket-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .ticket-card:before,.ticket-card:after{
      content:"";
      position:absolute;
      top:50%;
      width:22px;
      height:22px;
      border-radius:50%;
      background:#fff7e8;
      border:1px solid #ffdf9f;
    }
    .ticket-card:before{left:-12px}
    .ticket-card:after{right:-12px}
    .ticket-card h3{
      margin:14px 0 8px;
      color:#111827;
      font-size:23px;
      font-weight:950;
    }
    .ticket-card p{margin:0;color:#667085;font-size:14px}
    .price-line{
      display:flex;
      align-items:baseline;
      gap:10px;
      margin:18px 0;
    }
    .price-line strong{font-size:34px;font-weight:950;color:#111827}
    .price-line span{color:#98a2b3;text-decoration:line-through}
    .stock{
      height:9px;
      border-radius:999px;
      background:#f1f2f6;
      overflow:hidden;
      margin:16px 0 10px;
    }
    .stock i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,#ef4444,#ffb020);
    }
    .stock-text{color:#ef4444;font-size:13px;font-weight:900}
    .buy-actions{
      display:flex;
      gap:10px;
      margin-top:18px;
      flex-wrap:wrap;
    }

    .form-section{
      background:#111827;
      color:#fff;
      padding-bottom:126px;
    }
    .form-shell{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:28px;
      align-items:stretch;
    }
    .cta-copy{
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        radial-gradient(circle at 80% 16%,rgba(255,176,32,.22),transparent 30%),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
    }
    .cta-copy h2{
      margin:16px 0 14px;
      color:#fff;
      font-size:clamp(30px,3.8vw,48px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.05em;
    }
    .cta-copy p{color:rgba(255,255,255,.76);margin:0 0 22px}
    .cta-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .cta-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(255,255,255,.82);
    }
    .cta-list b{color:#ffcf5b}
    .lead-form{
      border-radius:var(--radius-xl);
      background:#fff;
      color:#111827;
      padding:28px;
      box-shadow:var(--shadow-lg);
    }
    .lead-form h3{
      margin:0 0 8px;
      font-size:28px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .lead-form p{margin:0 0 22px;color:#667085}
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .form-field{margin-bottom:16px}
    .form-field label{
      display:block;
      margin-bottom:7px;
      color:#344054;
      font-size:14px;
      font-weight:900;
    }
    .form-hint{
      margin-top:10px;
      color:#7a8496;
      font-size:13px;
    }
    .form-message{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:14px;
      background:#f1fffb;
      color:#027a63;
      font-weight:900;
      border:1px solid #a8f0df;
    }
    .form-message.show{display:block}

    .sticky-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:80;
      width:min(960px, calc(100% - 28px));
      padding:12px 14px;
      border-radius:999px;
      background:rgba(17,24,39,.92);
      color:#fff;
      backdrop-filter:blur(18px);
      box-shadow:0 20px 60px rgba(0,0,0,.25);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      border:1px solid rgba(255,255,255,.12);
    }
    .sticky-cta strong{color:#ffcf5b}
    .sticky-cta span{font-weight:800;font-size:14px;color:rgba(255,255,255,.82)}
    .sticky-cta .btn{min-height:42px;padding:11px 16px}

    .site-footer{
      background:#0b101a;
      color:#cbd5e1;
      padding:48px 0 34px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:13px}
    .footer-text{
      margin:0;
      max-width:660px;
      color:#94a3b8;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:#dbe3ef;
      font-weight:800;
      font-size:13px;
    }
    .footer-links a:hover{background:#ffb020;color:#111827}
    .copyright{
      margin-top:28px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#7b8798;
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      :root{--section:76px}
      .notice-chips{display:none}
      .hero-grid,.scenario-wrap,.proof-grid,.news-layout,.faq-wrap,.form-shell{
        grid-template-columns:1fr;
      }
      .demo-panel,.faq-intro{position:relative;top:auto}
      .triple-layout{grid-template-columns:1fr 1fr}
      .feature-card.highlight{grid-column:span 2;min-height:auto}
      .rush-track{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, var(--container))}
      .desktop-nav{display:none}
      .menu-toggle{display:flex}
      .header-main{min-height:66px}
      .hero{padding:34px 0 58px}
      .hero-ribbon{align-items:flex-start;flex-direction:column;padding:14px 18px}
      .hero-grid{padding:26px;gap:22px}
      .hero-points{grid-template-columns:1fr}
      .course-actions{grid-template-columns:1fr}
      .section-head{display:block}
      .triple-layout,.rush-track,.compare-box,.metric-grid,.form-grid{
        grid-template-columns:1fr;
      }
      .step-card{grid-template-columns:56px 1fr;padding:18px}
      .step-num{width:56px;height:56px;border-radius:18px}
      .news-item{grid-template-columns:1fr;gap:12px}
      .news-date{width:110px}
      .arrow{display:none}
      .sticky-cta{
        border-radius:24px;
        align-items:flex-start;
        flex-direction:column;
        bottom:12px;
      }
      .sticky-cta .btn{width:100%}
    }
    @media (max-width:520px){
      :root{--section:62px}
      .brand-text{font-size:16px;max-width:180px;overflow:hidden;text-overflow:ellipsis}
      .hero h1{font-size:36px}
      .hero-grid{padding:20px}
      .course-title{font-size:24px}
      .section-title{font-size:29px}
      .btn{width:100%}
      .hero-actions .btn{width:100%}
      .buy-actions .btn{width:100%}
      .footer-links{display:grid;grid-template-columns:1fr 1fr;width:100%}
      .copyright{display:block}
    }
