/* roulang page: index */
:root{
      --primary:#6d3cff;
      --primary-2:#ff4ea3;
      --primary-3:#00d4ff;
      --ink:#151428;
      --muted:#6d6a80;
      --soft:#f7f5ff;
      --soft-2:#fff7fb;
      --card:#ffffff;
      --line:rgba(31,25,67,.12);
      --dark:#141225;
      --success:#16a071;
      --warning:#ffb020;
      --danger:#ff5c7a;
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:14px;
      --shadow-lg:0 28px 80px rgba(49,30,120,.16);
      --shadow-md:0 18px 48px rgba(38,29,91,.12);
      --shadow-sm:0 10px 26px rgba(33,26,73,.08);
      --container:1180px;
      --nav-h:78px;
      --gradient:linear-gradient(135deg,#6d3cff 0%,#ff4ea3 52%,#00d4ff 115%);
      --gradient-soft:linear-gradient(135deg,rgba(109,60,255,.12),rgba(255,78,163,.10),rgba(0,212,255,.10));
    }

    *{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(--ink);
      line-height:1.72;
      background:
        radial-gradient(circle at 10% 0%,rgba(109,60,255,.13),transparent 32%),
        radial-gradient(circle at 92% 8%,rgba(255,78,163,.12),transparent 28%),
        linear-gradient(180deg,#fff 0%,#fbfaff 46%,#fff 100%);
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(109,60,255,.18)}
    .container-page{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .section{padding:82px 0;position:relative}
    .section-tight{padding:60px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(109,60,255,.09);color:var(--primary);
      font-weight:800;font-size:13px;letter-spacing:.02em;
      border:1px solid rgba(109,60,255,.14);
    }
    .section-title{
      margin:16px 0 12px;font-size:clamp(28px,4vw,46px);
      line-height:1.14;letter-spacing:-.04em;font-weight:950;
    }
    .section-desc{
      margin:0;color:var(--muted);font-size:17px;max-width:760px;
    }
    .text-gradient{
      background:var(--gradient);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }

    .site-header{
      position:sticky;top:0;z-index:50;
      height:var(--nav-h);
      display:flex;align-items:center;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(35,24,72,.08);
    }
    .nav-shell{
      width:min(var(--container),calc(100% - 40px));
      margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:950;letter-spacing:-.03em;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;background:var(--gradient);
      display:grid;place-items:center;color:#fff;box-shadow:0 12px 30px rgba(109,60,255,.25);
      flex:0 0 auto;
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-cta{
      display:inline-flex;align-items:center;gap:9px;
      padding:12px 18px;border-radius:999px;
      background:var(--dark);color:#fff;font-weight:850;border:1px solid transparent;
      box-shadow:0 12px 28px rgba(20,18,37,.18);
    }
    .nav-cta:hover{color:#fff;transform:translateY(-2px);background:#211d3c}
    .nav-cta:focus-visible,.btn-brand:focus-visible,.btn-ghost:focus-visible,input:focus,select:focus,textarea:focus{
      outline:3px solid rgba(109,60,255,.22);outline-offset:3px;
    }

    .btn-brand,.btn-ghost,.btn-soft{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:999px;padding:14px 22px;font-weight:900;border:0;transition:.22s ease;cursor:pointer;
      min-height:50px;
    }
    .btn-brand{
      color:#fff;background:var(--gradient);box-shadow:0 18px 42px rgba(109,60,255,.25);
    }
    .btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 50px rgba(109,60,255,.32)}
    .btn-ghost{
      background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);
    }
    .btn-ghost:hover{transform:translateY(-2px);color:var(--primary);border-color:rgba(109,60,255,.28)}
    .btn-soft{
      background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24);
    }
    .btn-soft:hover{background:#fff;color:var(--primary)}

    .hero{
      padding:42px 0 72px;
    }
    .hero-stage{
      position:relative;overflow:hidden;border-radius:36px;padding:34px;
      background:
        linear-gradient(135deg,rgba(20,18,37,.94),rgba(61,32,129,.92) 42%,rgba(255,78,163,.86)),
        radial-gradient(circle at 84% 20%,rgba(0,212,255,.42),transparent 30%);
      color:#fff;box-shadow:var(--shadow-lg);
      min-height:560px;
    }
    .hero-stage:before{
      content:"";position:absolute;inset:-2px;
      background:
        radial-gradient(circle at 18% 18%,rgba(255,255,255,.18),transparent 22%),
        radial-gradient(circle at 72% 78%,rgba(0,212,255,.22),transparent 26%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:28px;align-items:stretch;
    }
    .hero-copy{
      padding:34px 10px 24px 10px;display:flex;flex-direction:column;justify-content:center;
    }
    .hero-kicker{
      display:inline-flex;width:max-content;align-items:center;gap:8px;
      padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:800;
    }
    h1{
      margin:22px 0 18px;font-weight:980;letter-spacing:-.055em;
      font-size:clamp(34px,5.6vw,68px);line-height:1.02;max-width:760px;
    }
    .hero-lead{
      font-size:18px;color:rgba(255,255,255,.82);max-width:710px;margin:0 0 26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:4px}
    .hero-points{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:760px;
    }
    .point{
      border-radius:20px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);padding:16px;
    }
    .point strong{display:block;font-size:24px;line-height:1;font-weight:950}
    .point span{display:block;margin-top:7px;color:rgba(255,255,255,.72);font-size:13px}

    .demo-panel{
      align-self:center;border-radius:30px;background:rgba(255,255,255,.94);
      color:var(--ink);padding:20px;box-shadow:0 26px 70px rgba(6,5,18,.22);
      border:1px solid rgba(255,255,255,.4);
    }
    .demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .demo-title{font-weight:950;font-size:18px;letter-spacing:-.02em}
    .status-dot{
      display:inline-flex;align-items:center;gap:7px;border-radius:999px;
      padding:7px 10px;background:rgba(22,160,113,.10);color:var(--success);
      font-size:12px;font-weight:850;
    }
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(22,160,113,.13)}
    .score-card{
      border-radius:24px;padding:18px;background:var(--gradient-soft);
      border:1px solid rgba(109,60,255,.13);margin-bottom:14px;
    }
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px}
    .score-row:last-child{margin-bottom:0}
    .score-label{color:var(--muted);font-size:13px;font-weight:750}
    .score-value{font-size:30px;font-weight:980;letter-spacing:-.04em}
    .bar{height:10px;border-radius:999px;background:rgba(109,60,255,.11);overflow:hidden;min-width:120px;flex:1}
    .bar i{display:block;height:100%;border-radius:999px;background:var(--gradient)}
    .mini-list{display:grid;gap:10px}
    .mini-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:center;
      padding:12px;border-radius:18px;background:#fff;border:1px solid rgba(31,25,67,.08);
      box-shadow:0 8px 20px rgba(31,25,67,.05);
    }
    .mini-icon{
      width:34px;height:34px;border-radius:13px;display:grid;place-items:center;
      background:rgba(109,60,255,.10);color:var(--primary);
    }
    .mini-item strong{display:block;font-size:14px}
    .mini-item small{display:block;color:var(--muted);font-weight:650}
    .badge-data{
      display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;
      background:#141225;color:#fff;font-size:12px;font-weight:850;
    }

    .countdown-wrap{
      display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;align-items:stretch;
    }
    .countdown-copy,.countdown-box{
      border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-md);padding:28px;
    }
    .countdown-copy{background:linear-gradient(180deg,#fff,#faf8ff)}
    .timer{
      display:grid;grid-template-columns:repeat(4,1fr);gap:12px;height:100%;
      align-content:center;
    }
    .time-cell{
      border-radius:24px;background:var(--dark);color:#fff;padding:22px 12px;text-align:center;
      position:relative;overflow:hidden;
    }
    .time-cell:after{
      content:"";position:absolute;inset:auto -20% -40% -20%;height:70%;
      background:radial-gradient(circle,rgba(255,78,163,.35),transparent 60%);
    }
    .time-cell strong{position:relative;display:block;font-size:clamp(28px,4vw,48px);font-weight:980;line-height:1}
    .time-cell span{position:relative;display:block;color:rgba(255,255,255,.65);font-size:13px;margin-top:8px;font-weight:750}
    .pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
    .pill{
      display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;
      background:rgba(109,60,255,.08);border:1px solid rgba(109,60,255,.12);color:#4b31be;
      font-weight:800;font-size:13px;
    }

    .wall-layout{
      display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;margin-top:32px;
    }
    .feature-card{
      border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);
      padding:24px;box-shadow:var(--shadow-sm);transition:.22s ease;min-height:220px;
    }
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(109,60,255,.22)}
    .feature-card.large{
      grid-row:span 2;background:linear-gradient(160deg,#17142b,#382178 60%,#6d3cff);
      color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:458px;
    }
    .feature-icon{
      width:48px;height:48px;border-radius:18px;display:grid;place-items:center;
      background:var(--gradient);color:#fff;margin-bottom:18px;box-shadow:0 14px 28px rgba(109,60,255,.22);
    }
    .feature-card.large .feature-icon{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18)}
    .feature-card h3{font-size:21px;font-weight:950;letter-spacing:-.03em;margin:0 0 10px}
    .feature-card p{margin:0;color:var(--muted)}
    .feature-card.large p{color:rgba(255,255,255,.76)}
    .topic-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .topic-cloud a{
      padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.12);
      color:#fff;border:1px solid rgba(255,255,255,.16);font-weight:800;font-size:13px;
    }
    .topic-cloud a:hover{background:#fff;color:var(--primary)}

    .compare-shell{
      margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;
    }
    .plan-card{
      position:relative;border-radius:var(--radius-lg);padding:26px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:.22s ease;display:flex;flex-direction:column;
    }
    .plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .plan-card.featured{background:linear-gradient(180deg,#fff,#fbf7ff);border-color:rgba(109,60,255,.28);box-shadow:var(--shadow-lg)}
    .plan-tag{
      width:max-content;padding:7px 11px;border-radius:999px;background:rgba(109,60,255,.09);
      color:var(--primary);font-size:12px;font-weight:900;margin-bottom:15px;
    }
    .plan-card.featured .plan-tag{background:var(--gradient);color:#fff}
    .plan-card h3{font-size:24px;font-weight:950;letter-spacing:-.03em;margin:0}
    .plan-price{display:flex;align-items:flex-end;gap:6px;margin:18px 0 8px}
    .plan-price strong{font-size:42px;font-weight:980;line-height:1;letter-spacing:-.05em}
    .plan-price span{color:var(--muted);font-weight:750}
    .plan-desc{color:var(--muted);margin:0 0 18px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;color:#33314a;font-weight:680}
    .check-list i{color:var(--success);margin-top:5px}
    .plan-card .btn-brand,.plan-card .btn-ghost{margin-top:auto;width:100%}

    .news-area{
      display:grid;grid-template-columns:minmax(0,1.25fr) .75fr;gap:24px;margin-top:32px;
    }
    .news-list,.recommend-box{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);padding:22px;
    }
    .news-item{
      display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;
      padding:18px 0;border-bottom:1px solid rgba(31,25,67,.08);
    }
    .news-item:first-child{padding-top:4px}
    .news-item:last-child{border-bottom:0;padding-bottom:4px}
    .news-date{
      border-radius:18px;background:var(--soft);padding:12px;text-align:center;color:var(--primary);
      font-weight:950;line-height:1.15;
    }
    .news-date span{display:block;font-size:12px;color:#7c66d8;margin-top:4px}
    .news-title{font-size:18px;font-weight:920;letter-spacing:-.02em;margin:0 0 5px}
    .news-summary{margin:0;color:var(--muted);font-size:14px}
    .news-arrow{
      width:38px;height:38px;border-radius:14px;background:#f5f2ff;display:grid;place-items:center;color:var(--primary);
    }
    .news-item:hover .news-arrow{background:var(--primary);color:#fff;transform:translateX(2px)}
    .recommend-box{
      background:linear-gradient(160deg,#fff,#f9f6ff);
      display:flex;flex-direction:column;gap:16px;
    }
    .rank-item{
      display:flex;gap:13px;align-items:flex-start;padding:14px;border-radius:20px;background:#fff;
      border:1px solid rgba(31,25,67,.08);box-shadow:0 8px 20px rgba(31,25,67,.04);
    }
    .rank-no{
      width:32px;height:32px;border-radius:12px;background:var(--gradient);color:#fff;
      display:grid;place-items:center;font-weight:950;flex:0 0 auto;
    }
    .rank-item strong{display:block;font-size:15px;margin-bottom:3px}
    .rank-item span{display:block;color:var(--muted);font-size:13px}

    .cta-section{padding-bottom:92px}
    .cta-panel{
      overflow:hidden;position:relative;border-radius:38px;background:
        radial-gradient(circle at 14% 12%,rgba(255,255,255,.24),transparent 28%),
        linear-gradient(135deg,#19142e,#4a2bc0 54%,#ff4ea3);
      color:#fff;box-shadow:var(--shadow-lg);
      display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;padding:34px;
    }
    .cta-panel:after{
      content:"";position:absolute;right:-12%;bottom:-25%;width:420px;height:420px;border-radius:50%;
      background:rgba(0,212,255,.22);filter:blur(2px);
    }
    .cta-copy,.apply-card{position:relative;z-index:1}
    .cta-copy{padding:20px 10px}
    .step-list{display:grid;gap:12px;margin-top:24px}
    .step{
      display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:20px;
      background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.15);
    }
    .step b{
      width:30px;height:30px;border-radius:11px;background:#fff;color:var(--primary);
      display:grid;place-items:center;flex:0 0 auto;font-weight:950;
    }
    .step span{color:rgba(255,255,255,.78);font-size:14px}
    .apply-card{
      border-radius:30px;background:rgba(255,255,255,.96);color:var(--ink);
      padding:24px;box-shadow:0 24px 70px rgba(5,4,18,.2);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
    .form-field.full{grid-column:1/-1}
    .form-field label{font-weight:850;font-size:13px;color:#403b58}
    .form-control,.form-select{
      border-radius:16px;border:1px solid rgba(31,25,67,.14);
      padding:13px 14px;box-shadow:none;background:#fff;
    }
    .form-control:focus,.form-select:focus{border-color:rgba(109,60,255,.45);box-shadow:0 0 0 .22rem rgba(109,60,255,.10)}
    .form-note{
      color:var(--muted);font-size:13px;margin:10px 0 0;
    }
    .toast-lite{
      display:none;margin-top:12px;border-radius:16px;padding:12px 14px;
      background:rgba(22,160,113,.10);color:#0f7d59;border:1px solid rgba(22,160,113,.18);
      font-weight:750;
    }
    .toast-lite.show{display:block}

    .faq-grid{
      margin-top:32px;display:grid;grid-template-columns:.78fr 1.22fr;gap:24px;
    }
    .faq-side{
      border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);
      padding:26px;box-shadow:var(--shadow-sm);height:max-content;
    }
    .faq-side .badge-data{background:var(--gradient)}
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--line)!important;border-radius:22px!important;overflow:hidden;
      box-shadow:0 8px 20px rgba(31,25,67,.04);background:#fff;
    }
    .accordion-button{
      font-weight:900;color:var(--ink);padding:20px 22px;background:#fff;
      box-shadow:none!important;border-radius:22px!important;
    }
    .accordion-button:not(.collapsed){color:var(--primary);background:#fbf9ff}
    .accordion-button:focus{box-shadow:0 0 0 .22rem rgba(109,60,255,.10)!important}
    .accordion-body{color:var(--muted);padding:0 22px 22px}

    .site-footer{
      background:#111020;color:rgba(255,255,255,.74);padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start;
      border-bottom:1px solid rgba(255,255,255,.10);padding-bottom:28px;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:18px;margin-bottom:12px}
    .footer-mark{
      width:38px;height:38px;border-radius:14px;background:var(--gradient);display:grid;place-items:center;color:#fff;
    }
    .footer-text{max-width:680px;margin:0;color:rgba(255,255,255,.64)}
    .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);
      border:1px solid rgba(255,255,255,.09);font-weight:750;
    }
    .footer-links a:hover{background:#fff;color:var(--primary)}
    .copyright{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      padding-top:22px;font-size:13px;color:rgba(255,255,255,.52);
    }

    @media (max-width:1024px){
      :root{--nav-h:72px}
      .hero-grid,.countdown-wrap,.cta-panel,.faq-grid{grid-template-columns:1fr}
      .hero-stage{min-height:auto}
      .demo-panel{max-width:760px;width:100%;margin-inline:auto}
      .wall-layout{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:1/-1;min-height:320px}
      .news-area{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container-page,.nav-shell{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .hero{padding:24px 0 56px}
      .hero-stage,.cta-panel{border-radius:28px;padding:22px}
      .hero-copy{padding:18px 0}
      .hero-points,.timer,.compare-shell,.wall-layout{grid-template-columns:1fr}
      .point{display:flex;justify-content:space-between;align-items:center;gap:12px}
      .news-item{grid-template-columns:74px 1fr;gap:12px}
      .news-arrow{display:none}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .brand-text{font-size:16px}
      .nav-cta{padding:10px 13px}
      .nav-cta span{display:none}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .section-title{font-size:30px}
      .hero-actions{display:grid}
      .btn-brand,.btn-ghost,.btn-soft{width:100%}
      .demo-panel,.countdown-copy,.countdown-box,.news-list,.recommend-box,.apply-card,.faq-side{padding:18px;border-radius:24px}
      .mini-item{grid-template-columns:auto 1fr}
      .mini-item .badge-data{grid-column:1/-1;width:max-content}
      .plan-price strong{font-size:36px}
    }

/* 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}