/* roulang page: index */
:root{
      --bg:#0b1020;
      --bg-soft:#111832;
      --panel:#151d3a;
      --panel-2:#ffffff;
      --text:#182033;
      --text-dark:#f8fbff;
      --muted:#63708a;
      --muted-dark:#b9c3d9;
      --primary:#ff5a8a;
      --primary-2:#ffb35b;
      --accent:#6ee7d8;
      --purple:#7869ff;
      --line:rgba(255,255,255,.12);
      --line-light:#e8edf5;
      --shadow:0 22px 70px rgba(11,16,32,.18);
      --shadow-soft:0 12px 34px rgba(11,16,32,.10);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --ease:.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(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(255,90,138,.18), transparent 32rem),
        radial-gradient(circle at 88% 14%, rgba(110,231,216,.16), transparent 30rem),
        linear-gradient(180deg,#f7f9ff 0%,#ffffff 42%,#f6f8fc 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),box-shadow var(--ease),transform var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,90,138,.22)}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:#fff;color:#111;padding:10px 14px;border-radius:10px;z-index:999
    }
    .skip-link:focus{left:12px;outline:3px solid var(--accent)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(232,237,245,.9);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.02em;color:#151a2d;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--purple));
      box-shadow:0 12px 28px rgba(255,90,138,.26);
    }
    .brand-text{font-size:1.08rem}
    .nav-menu{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-link{
      display:inline-flex;align-items:center;
      padding:10px 14px;border-radius:999px;
      color:#3a4257;font-weight:700;font-size:.96rem;
    }
    .nav-link:hover,.nav-link:focus{background:#f0f3fa;color:#111832;outline:none}
    .nav-link.active{background:#111832;color:#fff}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .header-cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;
      color:#fff;font-weight:850;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 28px rgba(255,90,138,.25);
    }
    .header-cta:hover,.header-cta:focus{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,90,138,.33);color:#fff;outline:none}
    .menu-toggle{
      display:none;border:0;background:#111832;color:#fff;border-radius:14px;padding:10px 12px;font-weight:800;
    }
    main{display:block}
    .section{padding:78px 0}
    .section.alt{background:rgba(255,255,255,.62)}
    .section-head{
      display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:#e6477b;background:rgba(255,90,138,.10);
      border:1px solid rgba(255,90,138,.16);
      border-radius:999px;padding:7px 12px;
      font-size:.88rem;font-weight:850;margin-bottom:12px;
    }
    .section-title{font-size:clamp(1.75rem,3vw,2.65rem);line-height:1.18;margin:0;color:#12182a;letter-spacing:-.04em}
    .section-desc{max-width:650px;margin:10px 0 0;color:var(--muted);font-size:1.02rem}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:48px;padding:13px 20px;border-radius:999px;border:1px solid transparent;
      font-weight:900;line-height:1.1;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--purple));box-shadow:0 18px 36px rgba(120,105,255,.24)}
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);color:#fff;box-shadow:0 24px 48px rgba(120,105,255,.32);outline:none}
    .btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.22);color:#fff}
    .btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.18);color:#fff;outline:none}
    .btn-light{background:#fff;border-color:var(--line-light);color:#192038;box-shadow:var(--shadow-soft)}
    .btn-light:hover,.btn-light:focus{transform:translateY(-2px);border-color:rgba(255,90,138,.28);color:#e6477b;outline:none}
    .badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;
      font-size:.78rem;font-weight:900;line-height:1;background:rgba(110,231,216,.12);color:#08796f;border:1px solid rgba(110,231,216,.24)
    }
    .hero{
      position:relative;isolation:isolate;
      padding:54px 0 34px;
      background:
        linear-gradient(120deg,rgba(11,16,32,.96),rgba(21,29,58,.94)),
        radial-gradient(circle at 20% 20%,rgba(255,90,138,.35),transparent 26rem);
      color:var(--text-dark);
      overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-1;
      background:
        linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(90deg,#000,rgba(0,0,0,.35));
    }
    .hero-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
      box-shadow:0 30px 100px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:stretch;
    }
    .hero-copy{padding:52px}
    .hero-eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 12px;border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
      color:#e8f2ff;font-weight:850;font-size:.9rem;margin-bottom:22px;
    }
    .pulse{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 8px rgba(110,231,216,.12)}
    h1{
      margin:0 0 18px;
      font-size:clamp(2.1rem,5vw,4.35rem);
      line-height:1.05;
      letter-spacing:-.065em;
      color:#fff;
    }
    .hero-lead{font-size:1.08rem;color:var(--muted-dark);max-width:680px;margin:0 0 26px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:620px}
    .metric{
      border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px 15px;background:rgba(255,255,255,.07)
    }
    .metric strong{display:block;color:#fff;font-size:1.35rem;line-height:1.1}
    .metric span{display:block;color:#b9c3d9;font-size:.86rem;margin-top:6px}
    .hero-board{
      padding:26px;background:rgba(3,7,18,.26);
      border-left:1px solid rgba(255,255,255,.10);
      display:flex;flex-direction:column;gap:16px;justify-content:center;
    }
    .board-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .board-title{font-weight:950;color:#fff;font-size:1.08rem}
    .countdown{display:flex;gap:8px}
    .timebox{min-width:48px;text-align:center;border-radius:14px;padding:8px 7px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.13)}
    .timebox b{display:block;color:#fff;font-size:1.05rem}
    .timebox small{display:block;color:#aeb8ce;font-size:.7rem}
    .rank-list{display:grid;gap:10px}
    .rank-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
      padding:13px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10)
    }
    .rank-num{
      width:32px;height:32px;border-radius:12px;display:grid;place-items:center;
      color:#111832;background:linear-gradient(135deg,var(--accent),#fff);font-weight:950
    }
    .rank-name{font-weight:850;color:#fff}
    .rank-note{font-size:.84rem;color:#aeb8ce}
    .rank-hot{font-size:.86rem;color:#ffcf8d;font-weight:900}
    .track-strip{
      display:flex;gap:16px;overflow-x:auto;padding:4px 2px 16px;scroll-snap-type:x mandatory;
      scrollbar-width:thin;scrollbar-color:rgba(255,90,138,.5) transparent;
    }
    .track-card{
      flex:0 0 265px;scroll-snap-align:start;
      border-radius:24px;padding:18px;
      min-height:178px;
      background:linear-gradient(145deg,#fff, #f8faff);
      border:1px solid var(--line-light);
      box-shadow:var(--shadow-soft);
      position:relative;overflow:hidden;
    }
    .track-card:after{
      content:"";position:absolute;right:-42px;bottom:-42px;width:120px;height:120px;border-radius:50%;
      background:rgba(255,90,138,.10);
    }
    .track-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .track-card h3{margin:14px 0 8px;font-size:1.16rem;letter-spacing:-.02em}
    .track-card p{margin:0;color:var(--muted);font-size:.94rem}
    .poster-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .poster{
      min-height:270px;border-radius:var(--radius-lg);padding:22px;color:#fff;
      background:linear-gradient(135deg,rgba(120,105,255,.92),rgba(255,90,138,.90));
      box-shadow:var(--shadow);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;
    }
    .poster:nth-child(2){background:linear-gradient(135deg,#151d3a,#08796f)}
    .poster:nth-child(3){background:linear-gradient(135deg,#2f215f,#ffb35b)}
    .poster:before{
      content:"";position:absolute;inset:auto -32px -44px auto;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.16)
    }
    .poster.large{min-height:350px}
    .poster h3{position:relative;margin:0;font-size:clamp(1.35rem,2.2vw,2rem);letter-spacing:-.04em}
    .poster p{position:relative;margin:10px 0 0;color:rgba(255,255,255,.82)}
    .poster-meta{position:relative;display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .poster-meta span{border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.12);padding:6px 10px;border-radius:999px;font-size:.82rem;font-weight:850}
    .zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .zone-card{
      background:#fff;border:1px solid var(--line-light);border-radius:22px;padding:20px;box-shadow:var(--shadow-soft);
    }
    .zone-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .zone-icon{
      width:46px;height:46px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,90,138,.14),rgba(120,105,255,.14));
      color:#e6477b;font-size:1.35rem;margin-bottom:14px;
    }
    .zone-card h3{font-size:1.1rem;margin:0 0 8px}
    .zone-card p{margin:0;color:var(--muted);font-size:.94rem}
    .zone-foot{margin-top:16px;display:flex;justify-content:space-between;align-items:center;color:#8b95aa;font-size:.86rem}
    .progress-wrap{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch;
    }
    .progress-panel,.reward-panel{
      background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-xl);padding:26px;box-shadow:var(--shadow-soft);
    }
    .progress-line{
      height:14px;background:#eef2f8;border-radius:999px;overflow:hidden;margin:18px 0 18px;
    }
    .progress-line span{display:block;width:72%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
    .task-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .task-list li{
      display:flex;gap:12px;align-items:flex-start;padding:13px;border-radius:16px;background:#f7f9fe;border:1px solid #eef2f8;
    }
    .check{
      flex:0 0 26px;width:26px;height:26px;border-radius:10px;display:grid;place-items:center;background:rgba(110,231,216,.18);color:#08796f;font-weight:950;
    }
    .reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
    .reward{
      border-radius:20px;padding:18px;background:linear-gradient(180deg,#fff8f1,#fff);border:1px solid #ffe0bd;text-align:center;
    }
    .reward strong{display:block;margin:10px 0 4px;color:#12182a}
    .reward span{font-size:.86rem;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start}
    .news-list{
      background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-soft);overflow:hidden;
    }
    .news-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:19px 20px;border-bottom:1px solid #edf1f7;
    }
    .news-item:last-child{border-bottom:0}
    .news-date{min-width:72px;color:#e6477b;font-weight:950}
    .news-item a{font-weight:900;color:#192038}
    .news-item a:hover,.news-item a:focus{color:#e6477b;outline:none}
    .news-item p{margin:4px 0 0;color:var(--muted);font-size:.92rem}
    .news-tag{font-size:.78rem;border-radius:999px;padding:6px 9px;background:#f2f4fb;color:#59647b;font-weight:850}
    .side-reco{
      border-radius:var(--radius-xl);padding:24px;background:#111832;color:#fff;box-shadow:var(--shadow);
    }
    .side-reco h3{margin:0 0 12px;font-size:1.42rem}
    .side-reco p{color:#b9c3d9;margin:0 0 18px}
    .mini-list{display:grid;gap:10px;margin:0 0 20px;padding:0;list-style:none}
    .mini-list li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.10);color:#eaf0ff}
    .mini-list small{color:#ffcf8d;font-weight:900}
    .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .plan{
      background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-xl);padding:26px;box-shadow:var(--shadow-soft);position:relative;
    }
    .plan.recommended{border-color:rgba(255,90,138,.42);box-shadow:0 26px 70px rgba(255,90,138,.16);transform:translateY(-8px)}
    .plan .ribbon{
      position:absolute;right:20px;top:20px;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;border-radius:999px;padding:6px 10px;font-size:.78rem;font-weight:950;
    }
    .plan h3{margin:0 0 8px;font-size:1.32rem}
    .price{font-size:2.2rem;font-weight:950;letter-spacing:-.05em;color:#12182a;margin:12px 0}
    .price small{font-size:.9rem;color:var(--muted);font-weight:700}
    .plan ul{margin:18px 0 22px;padding:0;list-style:none;display:grid;gap:10px;color:#46516a}
    .plan li:before{content:"✓";color:#08796f;font-weight:950;margin-right:8px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .faq-aside{
      background:linear-gradient(135deg,#111832,#2a2259);color:#fff;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow);
    }
    .faq-aside p{color:#c7d0e2}
    .accordion{
      background:#fff;border:1px solid var(--line-light);border-radius:22px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-soft);
    }
    .accordion-title{
      border:0;color:#12182a;font-weight:950;font-size:1rem;padding:18px 20px;background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{background:#f8faff;color:#e6477b;outline:none}
    .accordion-title:before{color:#e6477b}
    .accordion-content{border:0;border-top:1px solid #edf1f7;color:#5e6a82;padding:18px 20px;background:#fff;line-height:1.8}
    .entry{
      padding:70px 0;background:
        radial-gradient(circle at 15% 20%,rgba(255,90,138,.18),transparent 24rem),
        linear-gradient(135deg,#111832,#18213f);
      color:#fff;
    }
    .entry-card{
      display:grid;grid-template-columns:1fr .9fr;gap:26px;align-items:center;
      border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.12);padding:32px;
      background:rgba(255,255,255,.07);box-shadow:0 28px 90px rgba(0,0,0,.28);
    }
    .entry h2{font-size:clamp(1.8rem,3vw,2.7rem);letter-spacing:-.04em;margin:0 0 12px;color:#fff}
    .entry p{color:#c7d0e2;margin:0 0 22px;max-width:690px}
    .lead-form{
      display:grid;gap:12px;background:#fff;border-radius:24px;padding:20px;box-shadow:var(--shadow);
    }
    .lead-form label{color:#222b43;font-weight:900;font-size:.92rem}
    .lead-form input{
      width:100%;border:1px solid #dfe6f1;border-radius:14px;padding:13px 14px;background:#f9fbff;color:#151a2d;
    }
    .lead-form input:focus{outline:3px solid rgba(255,90,138,.18);border-color:rgba(255,90,138,.55)}
    .form-note{color:#6c778f;font-size:.84rem;line-height:1.6;margin:0}
    .site-footer{background:#070b16;color:#d8e0ef;padding:46px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:26px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.10)}
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;color:#fff;margin-bottom:12px}
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-text{color:#aab5ca;margin:0;max-width:520px}
    .footer-title{font-weight:950;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px;margin:0;padding:0;list-style:none}
    .footer-links a{color:#aab5ca}
    .footer-links a:hover,.footer-links a:focus{color:#fff;outline:none}
    .copyright{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8f9bb2;padding-top:22px;font-size:.92rem}
    .float-bar{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      z-index:40;width:min(680px,calc(100% - 28px));
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:12px 14px 12px 18px;border-radius:999px;
      background:rgba(17,24,50,.92);color:#fff;border:1px solid rgba(255,255,255,.13);
      box-shadow:0 18px 50px rgba(0,0,0,.28);backdrop-filter:blur(16px);
    }
    .float-bar strong{font-size:.95rem}
    .float-bar span{color:#b9c3d9;font-size:.86rem}
    .float-bar .btn{min-height:40px;padding:10px 14px;font-size:.9rem}
    @media (max-width:1024px){
      .hero-grid,.progress-wrap,.news-layout,.faq-grid,.entry-card{grid-template-columns:1fr}
      .hero-board{border-left:0;border-top:1px solid rgba(255,255,255,.10)}
      .poster-grid{grid-template-columns:1fr 1fr}
      .poster.large{grid-column:1/-1}
      .zone-grid{grid-template-columns:repeat(2,1fr)}
      .plans{grid-template-columns:1fr}
      .plan.recommended{transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:inline-flex}
      .nav-menu{
        position:absolute;left:14px;right:14px;top:72px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;border-radius:22px;background:#fff;border:1px solid var(--line-light);box-shadow:var(--shadow);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{justify-content:center}
      .nav-actions .header-cta{display:none}
      .hero{padding-top:28px}
      .hero-copy{padding:30px 22px}
      .hero-board{padding:20px}
      .hero-metrics,.reward-grid{grid-template-columns:1fr}
      .poster-grid,.zone-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section-head{display:block}
      .news-item{grid-template-columns:1fr;gap:6px}
      .footer-grid{grid-template-columns:1fr}
      .float-bar{border-radius:22px;align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      h1{font-size:2.2rem}
      .countdown{display:none}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .track-card{flex-basis:82vw}
      .entry-card{padding:22px}
      .lead-form{padding:16px}
      .copyright{display:block}
    }