/* roulang page: index */
:root{
      --primary:#5B3FFF;
      --primary-2:#9B5CFF;
      --secondary:#00C2A8;
      --accent:#FFB545;
      --danger:#FF5C7A;
      --ink:#141326;
      --muted:#68677C;
      --soft:#F6F4FF;
      --soft-2:#EFFBF8;
      --line:rgba(20,19,38,.10);
      --card:#FFFFFF;
      --bg:#FBFAFF;
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:34px;
      --shadow:0 20px 60px rgba(50,42,111,.12);
      --shadow-hover:0 26px 70px rgba(50,42,111,.18);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 4%, rgba(109,93,251,.16), transparent 34%),
        radial-gradient(circle at 92% 10%, rgba(0,194,168,.14), transparent 30%),
        linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(91,63,255,.18)}
    .site-shell{min-height:100vh;overflow:hidden}
    .container-custom{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;z-index:999;
      background:#fff;color:var(--primary);padding:10px 14px;border-radius:12px;
      box-shadow:var(--shadow)
    }
    .skip-link:focus{left:12px;outline:3px solid rgba(91,63,255,.25)}
    .header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(20,19,38,.08);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
      font-weight:900;letter-spacing:-.02em;color:var(--ink);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;color:#fff;font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 58%,var(--secondary));
      box-shadow:0 14px 34px rgba(91,63,255,.27);
      flex:0 0 auto;
    }
    .brand-text{
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      font-size:17px;
    }
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:var(--muted);
      font-weight:750;font-size:14px;transition:.22s ease;
    }
    .nav-link:hover{color:var(--primary);background:rgba(91,63,255,.08)}
    .nav-link.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 12px 28px rgba(91,63,255,.22)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-mini{
      width:230px;display:flex;align-items:center;gap:8px;
      padding:10px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;
      color:var(--muted);box-shadow:0 12px 34px rgba(50,42,111,.06);
    }
    .search-mini input{border:0;outline:0;width:100%;background:transparent;color:var(--ink);font-size:14px}
    .search-mini:focus-within{border-color:rgba(91,63,255,.5);box-shadow:0 0 0 4px rgba(91,63,255,.10)}
    .menu-btn{
      display:none;width:42px;height:42px;border:1px solid var(--line);
      border-radius:14px;background:#fff;color:var(--ink);
    }
    .breadcrumb-bar{
      border-top:1px solid rgba(20,19,38,.04);
      background:rgba(255,255,255,.58);
    }
    .breadcrumb{
      min-height:42px;display:flex;align-items:center;gap:8px;
      color:var(--muted);font-size:13px;white-space:nowrap;overflow-x:auto;
    }
    .breadcrumb span:last-child{color:var(--primary);font-weight:800}
    .section{padding:78px 0}
    .section-tight{padding:54px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border:1px solid rgba(91,63,255,.16);
      border-radius:999px;background:rgba(91,63,255,.07);
      color:var(--primary);font-size:13px;font-weight:850;
    }
    .section-title{
      margin:12px 0 0;font-size:clamp(26px,3vw,42px);
      line-height:1.18;letter-spacing:-.04em;font-weight:950;
    }
    .section-desc{max-width:680px;margin:12px 0 0;color:var(--muted);font-size:16px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:900;transition:.22s ease;white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 38px rgba(91,63,255,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(91,63,255,.34)}
    .btn-secondary{
      color:var(--primary);background:#fff;border-color:rgba(91,63,255,.18);
      box-shadow:0 12px 30px rgba(50,42,111,.08);
    }
    .btn-secondary:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-ghost{color:var(--ink);background:rgba(255,255,255,.62);border-color:var(--line)}
    .btn-ghost:hover{border-color:rgba(91,63,255,.35);color:var(--primary);background:#fff}
    .btn:focus-visible,.nav-link:focus-visible,.menu-btn:focus-visible,a:focus-visible{
      outline:4px solid rgba(91,63,255,.18);outline-offset:3px;
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      border-radius:999px;padding:7px 10px;font-size:12px;font-weight:850;
      background:rgba(0,194,168,.10);color:#057968;border:1px solid rgba(0,194,168,.18);
    }
    .hero{padding:54px 0 44px}
    .hero-bento{
      display:grid;grid-template-columns:1.38fr .62fr;grid-template-rows:auto auto;gap:18px;
    }
    .hero-main,.bento-small,.hero-strip{
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow);
      position:relative;overflow:hidden;
    }
    .hero-main{
      min-height:438px;border-radius:var(--radius-lg);
      padding:42px;
      background:
        linear-gradient(135deg,rgba(91,63,255,.96),rgba(155,92,255,.88) 52%,rgba(0,194,168,.80)),
        radial-gradient(circle at 24% 12%,rgba(255,255,255,.28),transparent 34%);
      color:#fff;
      grid-row:span 2;
      display:flex;flex-direction:column;justify-content:space-between;
    }
    .hero-main:after{
      content:"";position:absolute;right:-80px;bottom:-110px;width:360px;height:360px;
      border-radius:50%;background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
    }
    .hero-main > *{position:relative;z-index:1}
    .hero-brand{
      display:inline-flex;width:max-content;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.22);font-weight:850;font-size:13px;
    }
    h1{
      margin:22px 0 16px;
      max-width:820px;
      font-size:clamp(34px,5.2vw,66px);
      line-height:1.04;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-lead{max-width:760px;color:rgba(255,255,255,.88);font-size:18px;line-height:1.85}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-buttons .btn-secondary{background:rgba(255,255,255,.96)}
    .hero-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .metric-pill{
      min-width:128px;border-radius:18px;padding:12px 14px;
      background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.20);
    }
    .metric-pill strong{display:block;font-size:22px;line-height:1;font-weight:950}
    .metric-pill span{display:block;margin-top:6px;color:rgba(255,255,255,.80);font-size:12px}
    .bento-small{
      border-radius:var(--radius);background:#fff;padding:24px;
      min-height:210px;display:flex;flex-direction:column;justify-content:space-between;
    }
    .bento-small.gradient{
      background:linear-gradient(135deg,#16142D,#322C73);
      color:#fff;
    }
    .bento-icon{
      width:46px;height:46px;border-radius:16px;display:grid;place-items:center;
      background:rgba(91,63,255,.10);color:var(--primary);font-size:22px;
    }
    .gradient .bento-icon{background:rgba(255,255,255,.14);color:#fff}
    .bento-small h2,.bento-small h3{margin:16px 0 8px;font-size:20px;line-height:1.25;font-weight:950}
    .bento-small p{margin:0;color:var(--muted);font-size:14px}
    .gradient p{color:rgba(255,255,255,.78)}
    .hero-strip{
      margin-top:18px;border-radius:26px;padding:18px 20px;background:#fff;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .strip-copy{display:flex;align-items:center;gap:12px;color:var(--muted)}
    .strip-dot{width:12px;height:12px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 8px rgba(0,194,168,.13)}
    .coupon-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .coupon-card{
      position:relative;overflow:hidden;border-radius:26px;padding:24px;
      background:#fff;border:1px solid var(--line);box-shadow:0 16px 44px rgba(50,42,111,.08);
      transition:.22s ease;min-height:214px;
    }
    .coupon-card:before,.coupon-card:after{
      content:"";position:absolute;top:50%;width:24px;height:24px;border-radius:50%;
      background:var(--bg);border:1px solid var(--line);transform:translateY(-50%);
    }
    .coupon-card:before{left:-12px}.coupon-card:after{right:-12px}
    .coupon-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(91,63,255,.22)}
    .coupon-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:28px}
    .coupon-code{
      font-size:12px;font-weight:950;color:var(--primary);
      letter-spacing:.08em;text-transform:uppercase;
    }
    .coupon-card h3{font-size:20px;line-height:1.25;margin:0 0 10px;font-weight:950}
    .coupon-card p{margin:0;color:var(--muted);font-size:14px}
    .rules-wrap{
      display:grid;grid-template-columns:.86fr 1.14fr;gap:20px;align-items:stretch;
    }
    .rules-panel{
      border-radius:var(--radius-lg);padding:30px;background:linear-gradient(135deg,#17152E,#312A6E);
      color:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative;
    }
    .rules-panel:after{
      content:"";position:absolute;right:-72px;top:-72px;width:190px;height:190px;
      border-radius:50%;background:rgba(255,255,255,.10)
    }
    .rules-panel h2{font-size:34px;line-height:1.18;margin:12px 0;font-weight:950;letter-spacing:-.04em}
    .rules-panel p{color:rgba(255,255,255,.78);margin:0}
    .check-list{display:grid;gap:12px}
    .check-item{
      display:flex;gap:12px;padding:16px;border-radius:20px;background:#fff;
      border:1px solid var(--line);box-shadow:0 14px 40px rgba(50,42,111,.07);
      transition:.22s ease;
    }
    .check-item:hover{transform:translateX(3px);border-color:rgba(0,194,168,.25)}
    .check-mark{
      flex:0 0 auto;width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;background:rgba(0,194,168,.12);color:#008C78;font-weight:950;
    }
    .check-item strong{display:block;font-size:16px;margin-bottom:3px}
    .check-item span{display:block;color:var(--muted);font-size:14px}
    .entry-matrix{
      display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
    }
    .entry-card{
      border-radius:22px;padding:20px 16px;background:#fff;border:1px solid var(--line);
      box-shadow:0 14px 38px rgba(50,42,111,.07);
      text-align:left;transition:.22s ease;
    }
    .entry-card:hover{transform:translateY(-4px);border-color:rgba(91,63,255,.24);box-shadow:var(--shadow)}
    .entry-icon{
      width:42px;height:42px;border-radius:15px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(91,63,255,.12),rgba(0,194,168,.12));
      color:var(--primary);font-size:20px;margin-bottom:14px;
    }
    .entry-card strong{display:block;font-size:15px;margin-bottom:4px}
    .entry-card span{display:block;color:var(--muted);font-size:12px;line-height:1.55}
    .event-block{
      display:grid;grid-template-columns:1fr 1fr;gap:18px;
    }
    .event-card,.map-card{
      border-radius:var(--radius-lg);padding:28px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .event-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(20,19,38,.12)}
    .event-row:last-child{border-bottom:0}
    .event-row b{width:84px;flex:0 0 auto;color:var(--primary)}
    .event-row span{color:var(--muted)}
    .map-visual{
      height:210px;border-radius:24px;overflow:hidden;margin-top:18px;
      background:
        linear-gradient(90deg,rgba(91,63,255,.10) 1px,transparent 1px),
        linear-gradient(rgba(91,63,255,.10) 1px,transparent 1px),
        radial-gradient(circle at 62% 48%,rgba(255,181,69,.80),rgba(255,181,69,.10) 12%,transparent 28%),
        linear-gradient(135deg,#F4F1FF,#EAFBF8);
      background-size:34px 34px,34px 34px,100% 100%,100% 100%;
      position:relative;border:1px solid rgba(91,63,255,.12);
    }
    .map-pin{
      position:absolute;left:58%;top:42%;transform:translate(-50%,-50%);
      width:44px;height:44px;border-radius:50% 50% 50% 8px;rotate:-45deg;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(91,63,255,.30);
    }
    .map-pin:after{
      content:"";position:absolute;inset:12px;border-radius:50%;background:#fff;
    }
    .steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px;
    }
    .step-card{
      position:relative;border-radius:24px;padding:22px;background:#fff;border:1px solid var(--line);
      box-shadow:0 14px 38px rgba(50,42,111,.07);
    }
    .step-num{
      width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
      color:#fff;font-weight:950;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      margin-bottom:14px;
    }
    .step-card h3{font-size:17px;margin:0 0 6px;font-weight:950}
    .step-card p{font-size:14px;color:var(--muted);margin:0}
    .reward-track{
      display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:stretch;
    }
    .reward-main{
      border-radius:var(--radius-lg);padding:30px;
      background:linear-gradient(135deg,#FFF7E7,#F2EEFF 62%,#E9FAF6);
      border:1px solid rgba(255,181,69,.25);box-shadow:var(--shadow);
    }
    .reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
    .reward-card{
      border-radius:22px;padding:18px;background:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.72);
    }
    .reward-card strong{display:block;font-size:16px;margin-bottom:6px}
    .reward-card span{display:block;font-size:13px;color:var(--muted)}
    .progress-card{
      border-radius:var(--radius-lg);padding:30px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .progress-line{
      height:12px;border-radius:999px;background:rgba(91,63,255,.10);overflow:hidden;margin:18px 0;
    }
    .progress-line i{display:block;width:68%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
    .recommend-scroll{
      display:flex;gap:16px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x mandatory;
    }
    .recommend-card{
      min-width:280px;scroll-snap-align:start;
      border-radius:26px;padding:22px;background:#fff;border:1px solid var(--line);
      box-shadow:0 14px 38px rgba(50,42,111,.07);transition:.22s ease;
    }
    .recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .recommend-card h3{font-size:18px;line-height:1.35;margin:14px 0 8px;font-weight:950}
    .recommend-card p{font-size:14px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .news-list{
      border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow);overflow:hidden;
    }
    .news-item{
      display:grid;grid-template-columns:112px 1fr auto;gap:18px;align-items:center;
      padding:20px 22px;border-bottom:1px solid rgba(20,19,38,.08);transition:.22s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--soft);transform:translateX(3px)}
    .news-date{
      color:var(--primary);font-weight:950;background:rgba(91,63,255,.08);
      border-radius:16px;padding:10px 12px;text-align:center;font-size:13px;
    }
    .news-item h3{margin:0 0 4px;font-size:17px;font-weight:950;line-height:1.35}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .news-arrow{color:var(--primary);font-weight:950}
    .side-panel{
      border-radius:var(--radius-lg);padding:24px;background:#17152E;color:#fff;box-shadow:var(--shadow);
    }
    .side-panel p{color:rgba(255,255,255,.76)}
    .side-link{
      display:flex;justify-content:space-between;gap:12px;
      padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.88);font-weight:800;
    }
    .side-link:last-child{border-bottom:0}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .faq-card{
      border-radius:26px;padding:24px;background:#fff;border:1px solid var(--line);
      box-shadow:0 14px 38px rgba(50,42,111,.07);
    }
    .faq-card h3{margin:0 0 10px;font-size:18px;font-weight:950}
    .faq-card p{margin:0;color:var(--muted);font-size:15px}
    .cta{
      padding:82px 0;
    }
    .cta-card{
      position:relative;overflow:hidden;border-radius:40px;padding:42px;
      background:
        radial-gradient(circle at 86% 20%,rgba(255,255,255,.22),transparent 28%),
        linear-gradient(135deg,var(--primary),var(--primary-2) 50%,var(--secondary));
      color:#fff;box-shadow:0 28px 80px rgba(91,63,255,.28);
      display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;
    }
    .cta-card h2{font-size:clamp(28px,3.2vw,46px);line-height:1.15;letter-spacing:-.04em;margin:0 0 14px;font-weight:950}
    .cta-card p{margin:0;color:rgba(255,255,255,.84)}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .cta-mini{
      display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
    }
    .cta-mini div{
      border-radius:22px;padding:18px;background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
    }
    .cta-mini strong{display:block;font-size:24px;line-height:1;font-weight:950}
    .cta-mini span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}
    .footer{
      padding:44px 0 28px;background:#111024;color:#fff;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px;margin-bottom:28px;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:18px;margin-bottom:12px}
    .footer p{color:rgba(255,255,255,.68);margin:0}
    .footer h3{font-size:15px;margin:0 0 12px;font-weight:950}
    .footer a{display:block;color:rgba(255,255,255,.70);padding:5px 0;transition:.2s ease}
    .footer a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
      color:rgba(255,255,255,.58);font-size:13px;
    }
    @media (max-width:1024px){
      .search-mini{display:none}
      .hero-bento{grid-template-columns:1fr 1fr}
      .hero-main{grid-column:1/-1;min-height:auto}
      .coupon-grid{grid-template-columns:repeat(2,1fr)}
      .rules-wrap,.event-block,.reward-track,.news-layout,.cta-card{grid-template-columns:1fr}
      .entry-matrix{grid-template-columns:repeat(3,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container-custom{width:min(100% - 28px,var(--container))}
      .nav-links{
        position:absolute;left:14px;right:14px;top:72px;display:none;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{border-radius:16px}
      .menu-btn{display:grid;place-items:center}
      .hero{padding-top:30px}
      .hero-bento{grid-template-columns:1fr}
      .hero-main{padding:28px;border-radius:28px}
      .bento-small{min-height:172px}
      .hero-strip{align-items:flex-start;flex-direction:column}
      .section,.section-tight{padding:54px 0}
      .section-head{display:block}
      .coupon-grid,.faq-grid,.reward-grid,.cta-mini{grid-template-columns:1fr}
      .entry-matrix{grid-template-columns:repeat(2,1fr)}
      .news-item{grid-template-columns:1fr;gap:10px}
      .news-date{text-align:left;width:max-content}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand-text{max-width:220px;font-size:15px}
      h1{font-size:34px}
      .hero-buttons,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .metric-pill{flex:1 1 100%}
      .entry-matrix,.steps{grid-template-columns:1fr}
      .cta-card{padding:28px;border-radius:30px}
      .section-title{font-size:28px}
    }