/* roulang page: index */
:root{
      --bg:#f6f8fb;
      --surface:#ffffff;
      --surface-2:#f0f5ff;
      --ink:#111827;
      --muted:#64748b;
      --soft:#94a3b8;
      --line:#e2e8f0;
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --primary-soft:#dbeafe;
      --accent:#14b8a6;
      --accent-soft:#ccfbf1;
      --warning:#f59e0b;
      --danger:#ef4444;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 8px 22px rgba(15,23,42,.06);
      --shadow:0 18px 45px rgba(15,23,42,.10);
      --shadow-lg:0 30px 70px rgba(15,23,42,.16);
      --container:1160px;
      --nav-h:76px;
      --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(--ink);
      background:
        radial-gradient(circle at 12% 4%, rgba(37,99,235,.12), transparent 28%),
        radial-gradient(circle at 90% 16%, rgba(20,184,166,.12), transparent 28%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    .container-page{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:10px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;z-index:9999}
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.85);
      box-shadow:0 10px 30px rgba(15,23,42,.04);
    }
    .navbar{min-height:var(--nav-h);padding:12px 0}
    .brand-logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),#0f172a);
      color:#fff;
      box-shadow:0 12px 28px rgba(37,99,235,.25);
      font-size:18px;
    }
    .brand-text{font-size:18px;white-space:nowrap}
    .navbar-nav{gap:8px}
    .nav-link{
      color:#475569!important;
      font-weight:700;
      padding:10px 14px!important;
      border-radius:999px;
    }
    .nav-link:hover,.nav-link.active{background:var(--primary-soft);color:var(--primary)!important}
    .nav-search{
      width:230px;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:0 16px 0 40px;
      background:#f8fafc;
      color:var(--ink);
      outline:none;
      transition:var(--ease);
    }
    .nav-search:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.12);background:#fff}
    .search-wrap{position:relative}
    .search-wrap:before{content:"⌕";position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--soft);font-weight:900}
    .btn-main,.btn-ghost,.btn-darkline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;
      padding:12px 20px;
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-main{background:linear-gradient(135deg,var(--primary),#0f766e);color:#fff;box-shadow:0 16px 34px rgba(37,99,235,.26)}
    .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 46px rgba(37,99,235,.34)}
    .btn-ghost{background:#fff;color:var(--primary);border:1px solid rgba(37,99,235,.18)}
    .btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-darkline{background:#111827;color:#fff;border:1px solid rgba(255,255,255,.14)}
    .btn-darkline:hover{color:#fff;background:#020617;transform:translateY(-2px)}
    .navbar-toggler{border:0;background:var(--surface-2);border-radius:14px;padding:10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(37,99,235,.13)}
    main{position:relative}
    section{padding:76px 0}
    .hero{
      padding:54px 0 42px;
      background:
        linear-gradient(135deg,rgba(15,23,42,.92),rgba(30,64,175,.86)),
        radial-gradient(circle at 70% 20%,rgba(20,184,166,.6),transparent 30%);
      color:#fff;
      border-bottom-left-radius:42px;
      border-bottom-right-radius:42px;
      overflow:hidden;
      position:relative;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom,#000,transparent 86%);
      opacity:.45;
    }
    .hero-inner{position:relative;z-index:1}
    .trial-panel{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy,.apply-card{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      box-shadow:var(--shadow-lg);
      backdrop-filter:blur(14px);
      border-radius:var(--radius-lg);
      padding:34px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(219,234,254,.16);
      color:#dbeafe;
      font-weight:800;
      font-size:14px;
      border:1px solid rgba(255,255,255,.16);
      margin-bottom:16px;
    }
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.08;
      letter-spacing:-.05em;
      margin:0 0 18px;
      font-weight:950;
    }
    .hero-lead{
      font-size:18px;
      color:#dbeafe;
      max-width:780px;
      margin:0 0 22px;
    }
    .hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
    .point-chip{
      display:flex;align-items:center;gap:8px;
      padding:10px 13px;border-radius:999px;
      color:#e0f2fe;background:rgba(15,23,42,.32);
      border:1px solid rgba(255,255,255,.14);
      font-weight:750;
      font-size:14px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .apply-card{background:rgba(255,255,255,.96);color:var(--ink)}
    .apply-title{font-weight:950;font-size:24px;margin-bottom:8px}
    .apply-note{color:var(--muted);font-size:15px;margin-bottom:18px}
    .benefit-badges{display:grid;gap:10px;margin-bottom:20px}
    .benefit-badge{
      display:flex;align-items:flex-start;gap:10px;
      padding:12px;border:1px solid var(--line);
      border-radius:16px;background:#f8fafc;
    }
    .badge-dot{width:28px;height:28px;border-radius:10px;background:var(--accent-soft);color:#0f766e;display:grid;place-items:center;font-weight:950;flex:none}
    .mini-form{display:grid;gap:12px}
    .mini-form input{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      padding:13px 14px;
      background:#fff;
      outline:none;
      transition:var(--ease);
    }
    .mini-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    .section-kicker{color:var(--primary);font-weight:900;margin-bottom:8px}
    .section-title{font-size:clamp(26px,3vw,38px);font-weight:950;line-height:1.18;letter-spacing:-.03em;margin:0}
    .section-desc{max-width:590px;color:var(--muted);margin:8px 0 0}
    .card-modern{
      background:var(--surface);
      border:1px solid rgba(226,232,240,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      height:100%;
    }
    .card-modern:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.22)}
    .rights-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
    .rights-feature{
      padding:28px;
      background:linear-gradient(135deg,#ffffff,#eff6ff);
      border-radius:var(--radius-lg);
      border:1px solid rgba(37,99,235,.14);
      box-shadow:var(--shadow-sm);
    }
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);
    }
    .metric strong{display:block;font-size:26px;color:var(--primary);line-height:1.1}
    .metric span{font-size:13px;color:var(--muted);font-weight:700}
    .rights-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .right-item{padding:22px}
    .icon-box{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:22px;font-weight:950;
      margin-bottom:14px;
    }
    .right-item h3,.price-card h3,.topic-card h3{font-size:19px;font-weight:900;margin:0 0 8px}
    .right-item p,.topic-card p{color:var(--muted);margin:0}
    .price-band{
      background:#0f172a;color:#fff;
      border-radius:36px;
      padding:48px;
      overflow:hidden;
      position:relative;
    }
    .price-band:after{content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:50%;background:rgba(20,184,166,.22)}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative;z-index:1;margin-top:26px}
    .price-card{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
    }
    .price-card.featured{background:#fff;color:var(--ink);transform:translateY(-8px)}
    .price-num{font-size:34px;font-weight:950;margin:12px 0}
    .price-num small{font-size:14px;color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
    .check-list li{display:flex;gap:9px;align-items:flex-start;color:inherit}
    .check-list li:before{content:"✓";color:var(--accent);font-weight:950}
    .entry-section{padding-top:0}
    .entry-matrix{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
    }
    .entry-buttons{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .entry-btn{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:18px 20px;border-radius:20px;
      background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      font-weight:900;
    }
    .entry-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.25)}
    .entry-btn span{color:var(--muted);font-weight:700;font-size:14px;display:block;margin-top:3px}
    .calendar-card{padding:24px}
    .calendar-list{display:grid;gap:12px;margin-top:14px}
    .calendar-item{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:16px;background:#f8fafc;border:1px solid var(--line)}
    .date-pill{min-width:54px;text-align:center;border-radius:14px;background:var(--primary);color:#fff;padding:6px 8px;font-weight:900;line-height:1.2}
    .calendar-item strong{display:block;margin-bottom:2px}
    .calendar-item p{margin:0;color:var(--muted);font-size:14px}
    .news-layout{display:grid;grid-template-columns:1fr 350px;gap:24px;align-items:start}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
    .news-row{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
    .news-row:last-child{border-bottom:0}
    .news-date{font-weight:900;color:var(--primary)}
    .news-row h3{font-size:18px;margin:0 0 5px;font-weight:900}
    .news-row p{margin:0;color:var(--muted);font-size:14px}
    .tag{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900;background:var(--accent-soft);color:#0f766e}
    .recommend{padding:24px;background:linear-gradient(180deg,#fff,#f8fafc);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);position:sticky;top:96px}
    .recommend-links{display:grid;gap:10px;margin-top:14px}
    .recommend-links a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);font-weight:800}
    .recommend-links a:hover{background:var(--primary-soft);border-color:rgba(37,99,235,.25)}
    .open-wrap{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch;
    }
    .open-card{padding:28px}
    .steps{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:42px 1fr;gap:14px;
      padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .step-num{width:42px;height:42px;border-radius:15px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:950}
    .step h3{margin:0 0 4px;font-size:18px;font-weight:900}
    .step p{margin:0;color:var(--muted)}
    .trust-strip{padding:0}
    .trust-inner{
      display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
      background:var(--line);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .trust-item{background:#fff;padding:22px;text-align:center}
    .trust-item strong{display:block;font-size:22px;font-weight:950;color:var(--primary)}
    .trust-item span{color:var(--muted);font-size:14px;font-weight:700}
    .faq-wrap{max-width:900px;margin:0 auto}
    .accordion-item{border:1px solid var(--line)!important;border-radius:18px!important;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .accordion-button{font-weight:900;color:var(--ink);padding:18px 22px;background:#fff}
    .accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary);box-shadow:none}
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(37,99,235,.12);border-color:transparent}
    .accordion-body{color:var(--muted);padding:18px 22px 22px;background:#fff}
    .cta-panel{
      border-radius:36px;
      background:linear-gradient(135deg,#2563eb,#0f172a);
      color:#fff;
      padding:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      box-shadow:var(--shadow-lg);
    }
    .cta-panel h2{font-size:clamp(26px,3vw,38px);font-weight:950;margin:0 0 8px}
    .cta-panel p{margin:0;color:#dbeafe;max-width:680px}
    .floating-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      width:min(960px,calc(100% - 28px));
      z-index:990;
      background:rgba(15,23,42,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      box-shadow:0 18px 55px rgba(15,23,42,.26);
      backdrop-filter:blur(14px);
      padding:10px 12px 10px 20px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;
    }
    .floating-cta p{margin:0;font-weight:800;color:#e5e7eb}
    .site-footer{
      background:#0b1220;
      color:#cbd5e1;
      padding:54px 0 92px;
      margin-top:40px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:19px;margin-bottom:12px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-title{font-weight:950;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#cbd5e1}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.10);margin-top:28px;padding-top:18px;color:#94a3b8;font-size:14px}
    @media (max-width:1024px){
      .trial-panel,.rights-layout,.entry-matrix,.news-layout,.open-wrap{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .recommend{position:relative;top:auto}
    }
    @media (max-width:768px){
      :root{--nav-h:68px}
      .container-page{width:min(100% - 28px,var(--container))}
      section{padding:54px 0}
      .hero{padding:34px 0;border-bottom-left-radius:28px;border-bottom-right-radius:28px}
      .hero-copy,.apply-card,.price-band,.cta-panel{padding:24px;border-radius:24px}
      .section-head{display:block}
      .rights-list,.metric-row,.entry-buttons,.trust-inner{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:8px}
      .cta-panel,.floating-cta{align-items:flex-start;flex-direction:column;border-radius:24px}
      .floating-cta{bottom:12px;padding:14px}
      .footer-grid{grid-template-columns:1fr}
      .nav-search{width:100%}
      .navbar-collapse{padding:14px 0}
      .navbar-nav{margin:12px 0}
    }
    @media (max-width:520px){
      h1{font-size:32px}
      .brand-text{font-size:16px}
      .hero-actions .btn-main,.hero-actions .btn-ghost,.mini-form .btn-main{width:100%}
      .point-chip{width:100%;justify-content:center}
      .price-band{padding:20px}
      .floating-cta p{font-size:14px}
    }

/* 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}