/* roulang page: index */
:root{
      --primary:#7c3aed;
      --primary-2:#ec4899;
      --primary-3:#06b6d4;
      --ink:#172033;
      --muted:#667085;
      --soft:#f6f4ff;
      --surface:#ffffff;
      --surface-2:#fbfbff;
      --line:rgba(23,32,51,.10);
      --shadow:0 20px 60px rgba(83,58,166,.14);
      --shadow-sm:0 12px 30px rgba(23,32,51,.08);
      --radius:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(124,58,237,.16), transparent 32rem),
        radial-gradient(circle at 88% 8%, rgba(236,72,153,.14), transparent 34rem),
        linear-gradient(180deg,#fff 0%,#fbfbff 52%,#f6f4ff 100%);
      line-height:1.75;
      padding-bottom:84px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(124,58,237,.18);color:#4c1d95}
    .container-site{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .glass{
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border:1px solid rgba(255,255,255,.68);
      box-shadow:var(--shadow-sm);
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.76);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(23,32,51,.08);
    }
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em}
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 56%,var(--primary-3));
      color:white;display:grid;place-items:center;
      box-shadow:0 16px 34px rgba(124,58,237,.28);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.38);border-radius:12px;
    }
    .brand-title{font-size:18px;white-space:nowrap}
    .seg-nav{
      display:flex;align-items:center;gap:6px;padding:6px;
      border:1px solid rgba(23,32,51,.08);
      background:rgba(246,244,255,.76);
      border-radius:999px;
    }
    .seg-link{
      padding:9px 18px;border-radius:999px;font-weight:800;font-size:14px;
      color:#5b6072;transition:.25s ease;
    }
    .seg-link:hover{background:#fff;color:var(--primary);box-shadow:0 8px 20px rgba(23,32,51,.06)}
    .seg-link.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 10px 24px rgba(124,58,237,.24)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-mini{
      width:190px;height:42px;display:flex;align-items:center;gap:8px;
      padding:0 14px;border:1px solid rgba(23,32,51,.09);
      border-radius:999px;background:#fff;color:#8a90a3;font-size:13px;
      box-shadow:0 8px 22px rgba(23,32,51,.04);
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;
      font-weight:900;line-height:1;transition:.25s ease;
      outline:none;white-space:nowrap;
    }
    .btn:focus-visible,.seg-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(124,58,237,.22);outline-offset:3px;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 34px rgba(124,58,237,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(124,58,237,.32)}
    .btn-secondary{color:#4c1d95;background:#fff;border:1px solid rgba(124,58,237,.18)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.34);box-shadow:0 16px 32px rgba(124,58,237,.12)}
    .btn-ghost{color:#4b5565;background:rgba(255,255,255,.72);border:1px solid rgba(23,32,51,.10)}
    .btn-ghost:hover{color:var(--primary);background:#fff}
    .menu-btn{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink)}
    .mobile-panel{display:none;border-top:1px solid rgba(23,32,51,.08);padding:12px 0 18px}
    .mobile-panel.open{display:block}
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      background:rgba(124,58,237,.10);
      color:#5b21b6;font-weight:800;font-size:13px;
      border:1px solid rgba(124,58,237,.13);
    }
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-kicker{color:var(--primary);font-weight:900;letter-spacing:.08em;font-size:13px;margin-bottom:8px}
    .section-title{font-size:clamp(28px,3.8vw,46px);line-height:1.15;font-weight:950;letter-spacing:-.04em}
    .section-desc{color:var(--muted);max-width:680px;font-size:16px}
    .card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(23,32,51,.08);
      border-radius:var(--radius-md);
      box-shadow:0 12px 30px rgba(23,32,51,.06);
      transition:.28s ease;
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.18)}
    .hero-cover{
      margin-top:30px;border-radius:36px;overflow:hidden;position:relative;
      min-height:560px;background:
        linear-gradient(110deg,rgba(16,24,40,.72),rgba(83,30,128,.44) 48%,rgba(236,72,153,.18)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='620' viewBox='0 0 1200 620'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%236d28d9'/%3E%3Cstop offset='.48' stop-color='%23be185d'/%3E%3Cstop offset='1' stop-color='%230e7490'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1200' height='620' fill='url(/%23g)'/%3E%3Cg opacity='.18' fill='white'%3E%3Ccircle cx='160' cy='120' r='86'/%3E%3Ccircle cx='980' cy='96' r='132'/%3E%3Ccircle cx='900' cy='510' r='170'/%3E%3C/g%3E%3Cg opacity='.22' stroke='white' stroke-width='2'%3E%3Cpath d='M40 470 C220 350 330 520 520 390 S860 250 1160 380' fill='none'/%3E%3Cpath d='M0 210 C160 160 290 260 430 210 S690 90 850 160 1050 320 1200 260' fill='none'/%3E%3C/g%3E%3Cg opacity='.14'%3E%3Crect x='90' y='340' width='180' height='230' rx='28' fill='white'/%3E%3Crect x='310' y='270' width='180' height='260' rx='28' fill='white'/%3E%3Crect x='530' y='320' width='180' height='210' rx='28' fill='white'/%3E%3Crect x='750' y='240' width='180' height='290' rx='28' fill='white'/%3E%3Crect x='970' y='310' width='150' height='220' rx='28' fill='white'/%3E%3C/g%3E%3C/svg%3E") center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-cover:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 0%,rgba(9,14,28,.42) 100%);
      pointer-events:none;
    }
    .profile-panel{
      position:absolute;left:34px;right:34px;bottom:34px;z-index:2;
      display:grid;grid-template-columns:1fr auto;gap:22px;align-items:end;
    }
    .profile-main{
      display:flex;align-items:flex-end;gap:20px;
      padding:26px;border-radius:30px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(255,255,255,.76);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .avatar{
      width:104px;height:104px;border-radius:28px;flex:0 0 auto;
      background:linear-gradient(135deg,#fff,var(--soft));
      border:5px solid rgba(255,255,255,.9);
      display:grid;place-items:center;box-shadow:0 18px 40px rgba(23,32,51,.18);
      color:var(--primary);font-size:32px;font-weight:950;
    }
    .hero-title{font-size:clamp(34px,5vw,64px);line-height:1.02;font-weight:950;letter-spacing:-.055em;margin:8px 0 14px}
    .hero-copy{max-width:720px;color:#4b5565;font-size:17px}
    .hero-side{
      width:310px;border-radius:30px;padding:22px;
      background:rgba(20,24,42,.74);color:#fff;
      border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(18px);
    }
    .data-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
    .data-badge{
      border-radius:18px;padding:14px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.15)
    }
    .data-badge strong{display:block;font-size:25px;line-height:1;font-weight:950}
    .data-badge span{font-size:12px;color:rgba(255,255,255,.78)}
    .follow-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
    .benefit-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
    .benefit-large{padding:30px;border-radius:32px;background:linear-gradient(135deg,#fff,#fbf7ff);border:1px solid rgba(124,58,237,.12);box-shadow:var(--shadow-sm)}
    .benefit-list{display:grid;gap:14px}
    .icon-pill{
      width:48px;height:48px;border-radius:18px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(236,72,153,.12));
      color:var(--primary);font-weight:950;
    }
    .timeline-card{display:grid;grid-template-columns:86px 1fr auto;gap:16px;align-items:center;padding:16px;border-radius:18px;background:#fff;border:1px solid rgba(23,32,51,.08)}
    .progress-track{height:9px;border-radius:99px;background:#ece8ff;overflow:hidden;margin-top:10px}
    .progress-bar{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
    .feature-strip{display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr;gap:14px}
    .feature-mini{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(23,32,51,.08);box-shadow:0 8px 24px rgba(23,32,51,.045)}
    .feature-mini:nth-child(4){background:linear-gradient(135deg,#20163f,#6d28d9);color:#fff}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
    .price-card{padding:26px;position:relative;overflow:hidden}
    .price-card.recommend{
      background:linear-gradient(180deg,#fff 0%,#fbf5ff 100%);
      border:2px solid rgba(124,58,237,.32);
      box-shadow:var(--shadow);
      transform:translateY(-8px);
    }
    .price-card.recommend:hover{transform:translateY(-12px)}
    .price-tag{font-size:42px;line-height:1;font-weight:950;letter-spacing:-.05em}
    .price-tag small{font-size:15px;color:var(--muted);font-weight:800}
    .check-list{display:grid;gap:11px;margin-top:22px}
    .check-list li{display:flex;align-items:flex-start;gap:10px;color:#4b5565}
    .check-dot{width:20px;height:20px;border-radius:999px;background:rgba(16,185,129,.12);color:#059669;display:grid;place-items:center;flex:0 0 auto;font-size:12px;margin-top:3px}
    .news-layout{display:grid;grid-template-columns:minmax(0,1.25fr) .75fr;gap:22px}
    .news-list{overflow:hidden}
    .news-row{
      display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;
      padding:18px 20px;border-bottom:1px solid rgba(23,32,51,.08);
      transition:.22s ease;background:#fff;
    }
    .news-row:hover{background:#fbf8ff}
    .news-row:last-child{border-bottom:none}
    .news-date{font-weight:900;color:#8b5cf6}
    .news-title{font-weight:900;color:#172033}
    .news-title:hover{color:var(--primary)}
    .news-meta{color:var(--muted);font-size:14px;margin-top:4px}
    .hot-panel{padding:24px;border-radius:28px;background:linear-gradient(135deg,#171224,#36215c);color:#fff;box-shadow:var(--shadow)}
    .rank-item{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12)}
    .rank-item:last-child{border-bottom:none}
    .rank-no{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.13);font-weight:950}
    .story-band{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;
      border-radius:34px;padding:34px;
      background:
        radial-gradient(circle at 20% 20%,rgba(236,72,153,.18),transparent 24rem),
        linear-gradient(135deg,#ffffff,#f5f1ff);
      border:1px solid rgba(124,58,237,.12);
      box-shadow:var(--shadow-sm);
    }
    .quote-card{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(23,32,51,.08)}
    .quote-bubble{font-size:18px;font-weight:900;line-height:1.6}
    .open-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:stretch}
    .time-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
    .time-card{
      padding:13px;border-radius:16px;background:#fff;border:1px solid rgba(124,58,237,.14);
      text-align:center;font-weight:900;color:#5b21b6;transition:.22s ease;
    }
    .time-card:hover,.time-card.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;transform:translateY(-2px)}
    .form-card{padding:28px;border-radius:30px;background:#fff;border:1px solid rgba(23,32,51,.08);box-shadow:var(--shadow-sm)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field label{display:block;font-weight:900;font-size:14px;margin-bottom:7px;color:#344054}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid rgba(23,32,51,.12);background:#fbfbff;
      border-radius:16px;padding:13px 14px;color:#172033;transition:.22s ease;
    }
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(124,58,237,.45);background:#fff;box-shadow:0 0 0 4px rgba(124,58,237,.08)}
    .field-full{grid-column:1 / -1}
    .form-note{font-size:13px;color:var(--muted);margin-top:12px}
    .toast{display:none;margin-top:12px;padding:12px 14px;border-radius:14px;background:rgba(16,185,129,.10);color:#047857;font-weight:800}
    .toast.show{display:block}
    .faq-list{display:grid;gap:14px}
    .faq-item{border-radius:22px;background:#fff;border:1px solid rgba(23,32,51,.08);box-shadow:0 8px 22px rgba(23,32,51,.04);overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;
      gap:18px;padding:20px 22px;background:transparent;border:0;text-align:left;
      font-weight:950;color:#172033;
    }
    .faq-q span:last-child{width:30px;height:30px;border-radius:999px;background:rgba(124,58,237,.10);display:grid;place-items:center;color:var(--primary);transition:.22s ease}
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
    .site-footer{
      padding:54px 0 34px;background:#111827;color:#d7dce8;margin-top:40px;
      border-top-left-radius:34px;border-top-right-radius:34px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-title{font-weight:950;font-size:18px;color:#fff;margin-bottom:12px}
    .footer-link{display:block;color:#aeb7c8;margin:8px 0;transition:.2s ease}
    .footer-link:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.10);margin-top:30px;padding-top:18px;color:#9aa4b6;font-size:14px}
    .fixed-cta{
      position:fixed;left:18px;right:18px;bottom:16px;z-index:60;
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      max-width:980px;margin:0 auto;padding:12px 14px 12px 18px;
      border-radius:24px;background:rgba(20,18,36,.86);color:#fff;
      border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 48px rgba(17,24,39,.32);
      backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    }
    .fixed-cta strong{display:block;font-weight:950}
    .fixed-cta span{color:rgba(255,255,255,.72);font-size:13px}
    @media (max-width:1024px){
      .search-mini{display:none}
      .profile-panel{grid-template-columns:1fr}
      .hero-side{width:100%}
      .benefit-grid,.news-layout,.story-band,.open-wrap{grid-template-columns:1fr}
      .feature-strip{grid-template-columns:repeat(2,1fr)}
      .price-grid{grid-template-columns:1fr}
      .price-card.recommend{transform:none}
      .price-card.recommend:hover{transform:translateY(-5px)}
    }
    @media (max-width:768px){
      body{padding-bottom:110px}
      .container-site{width:min(100% - 28px, var(--container))}
      .nav-shell{height:68px}
      .seg-nav,.nav-actions .btn-primary{display:none}
      .menu-btn{display:grid;place-items:center}
      .brand-title{font-size:16px}
      .hero-cover{min-height:720px;border-radius:28px;margin-top:18px}
      .profile-panel{left:14px;right:14px;bottom:14px}
      .profile-main{align-items:flex-start;flex-direction:column;padding:20px;border-radius:24px}
      .avatar{width:84px;height:84px;border-radius:22px;font-size:26px}
      .hero-copy{font-size:15px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .feature-strip{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:6px}
      .time-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .fixed-cta{align-items:flex-start;flex-direction:column;border-radius:22px}
      .fixed-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .hero-title{font-size:36px}
      .section-title{font-size:28px}
      .data-badges{grid-template-columns:1fr}
      .follow-row .btn{width:100%}
      .benefit-large{padding:22px;border-radius:24px}
      .timeline-card{grid-template-columns:1fr}
      .card{border-radius:20px}
      .story-band{padding:22px;border-radius:26px}
    }