/* roulang page: index */
:root {
      --ink: #1c1724;
      --muted: #766d7e;
      --soft: #a49aaa;
      --paper: #fffafc;
      --surface: #ffffff;
      --pink: #ef6d9b;
      --pink-deep: #cf4e7c;
      --peach: #ffc997;
      --plum: #34243d;
      --plum-2: #493151;
      --line: #eee3eb;
      --mint: #bde5d6;
      --yellow: #ffe39e;
      --radius: 22px;
      --shadow: 0 18px 50px rgba(67, 39, 67, .10);
      --shadow-dark: 0 24px 70px rgba(21, 11, 28, .30);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(239,109,155,.38); outline-offset: 4px; }

    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .section { padding: 104px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--pink-deep);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      width: 22px;
      height: 2px;
      background: var(--pink);
      content: "";
    }
    .section-heading { max-width: 680px; margin-bottom: 42px; }
    .section-heading h2 {
      margin: 12px 0 14px;
      color: var(--ink);
      font-size: clamp(30px, 4vw, 50px);
      line-height: 1.2;
      letter-spacing: -.04em;
    }
    .section-heading p { margin: 0; color: var(--muted); font-size: 16px; }

    .site-header { position: absolute; z-index: 10; top: 22px; left: 0; right: 0; }
    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 66px;
      padding: 10px 12px 10px 22px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 999px;
      color: #fff;
      background: rgba(38, 25, 46, .72);
      box-shadow: 0 12px 30px rgba(25,13,30,.12);
      backdrop-filter: blur(18px);
    }
    .brand { display: inline-flex; align-items: center; gap: 11px; font-size: 17px; font-weight: 800; white-space: nowrap; }
    .brand-mark {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      border-radius: 12px;
      color: var(--plum);
      background: linear-gradient(135deg, var(--peach), #fff0c7);
      font-size: 15px;
      font-weight: 900;
    }
    .nav-links { display: flex; align-items: center; gap: 6px; }
    .nav-links a {
      padding: 8px 14px;
      border-radius: 999px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
      transition: .25s ease;
    }
    .nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,.12); }
    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 17px;
      border: 0;
      border-radius: 999px;
      color: var(--plum);
      background: var(--peach);
      font-size: 13px;
      font-weight: 800;
      transition: .25s ease;
    }
    .nav-action:hover { background: #ffe2bc; transform: translateY(-2px); }
    .menu-button { display: none; border: 0; color: #fff; background: transparent; font-size: 24px; }

    .hero {
      position: relative;
      overflow: hidden;
      min-height: 720px;
      padding: 170px 0 104px;
      color: #fff;
      background:
        radial-gradient(circle at 78% 18%, rgba(255,201,151,.25), transparent 28%),
        radial-gradient(circle at 10% 92%, rgba(239,109,155,.22), transparent 30%),
        var(--plum);
    }
    .hero::after {
      position: absolute;
      right: -8%;
      bottom: -160px;
      width: 58%;
      height: 360px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 50%;
      content: "";
      transform: rotate(-12deg);
    }
    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; }
    .hero-copy { max-width: 630px; }
    .hero-copy .eyebrow { color: var(--peach); }
    .hero-copy h1 {
      margin: 22px 0 22px;
      max-width: 610px;
      font-size: clamp(42px, 6vw, 78px);
      line-height: 1.08;
      letter-spacing: -.06em;
    }
    .hero-copy p { max-width: 570px; margin: 0; color: rgba(255,255,255,.72); font-size: 18px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 21px;
      border: 1px solid transparent;
      border-radius: 13px;
      font-size: 14px;
      font-weight: 800;
      transition: .25s ease;
    }
    .button-primary { color: var(--plum); background: var(--peach); box-shadow: 0 9px 24px rgba(255,201,151,.18); }
    .button-primary:hover { background: #ffe5c8; transform: translateY(-2px); box-shadow: 0 14px 28px rgba(255,201,151,.25); }
    .button-ghost { color: #fff; border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.08); }
    .button-ghost:hover { border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.15); }
    .hero-stats { display: flex; gap: 30px; margin-top: 50px; }
    .hero-stat strong { display: block; color: var(--peach); font-size: 25px; line-height: 1.2; }
    .hero-stat span { color: rgba(255,255,255,.54); font-size: 12px; }

    .rank-panel {
      padding: 24px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 27px;
      background: rgba(255,255,255,.09);
      box-shadow: var(--shadow-dark);
      backdrop-filter: blur(16px);
    }
    .panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 23px; }
    .panel-top strong { font-size: 16px; }
    .live-badge { display: inline-flex; align-items: center; gap: 6px; color: #ffd5ad; font-size: 12px; }
    .live-badge i { width: 7px; height: 7px; border-radius: 50%; background: #ff8b94; box-shadow: 0 0 0 5px rgba(255,139,148,.13); }
    .rank-item { display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 13px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.11); }
    .rank-no { color: var(--peach); font-size: 13px; font-weight: 900; }
    .rank-name { font-size: 14px; font-weight: 700; }
    .rank-meta { margin-top: 2px; color: rgba(255,255,255,.48); font-size: 11px; }
    .rank-value { color: rgba(255,255,255,.75); font-size: 12px; }
    .panel-foot { margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.11); color: rgba(255,255,255,.55); font-size: 12px; }

    .notice-band { margin-top: -1px; padding: 22px 0; color: var(--plum); background: var(--peach); }
    .notice-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .notice-inner p { margin: 0; font-size: 14px; font-weight: 700; }
    .notice-link { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 900; white-space: nowrap; }
    .notice-link:hover { color: var(--pink-deep); }

    .schedule { background: #fff; }
    .schedule-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
    .schedule-note { position: sticky; top: 30px; }
    .schedule-note h2 { margin: 12px 0 17px; font-size: 41px; line-height: 1.2; letter-spacing: -.045em; }
    .schedule-note p { color: var(--muted); }
    .date-card { display: flex; gap: 18px; align-items: center; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
    .date-box { min-width: 55px; padding: 8px 5px; border-radius: 12px; color: var(--plum); text-align: center; background: var(--yellow); }
    .date-box strong { display: block; font-size: 22px; line-height: 1.1; }
    .date-box small { font-size: 10px; font-weight: 800; }
    .date-card strong { display: block; font-size: 15px; }
    .date-card span { color: var(--muted); font-size: 12px; }
    .schedule-list { display: grid; gap: 13px; }
    .event-card { display: grid; grid-template-columns: 92px 1fr auto; align-items: center; gap: 20px; padding: 21px 22px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); transition: .25s ease; }
    .event-card:hover { border-color: #f3b1c5; box-shadow: var(--shadow); transform: translateX(4px); }
    .event-time { color: var(--pink-deep); font-size: 13px; font-weight: 800; }
    .event-card h3 { margin: 0; font-size: 16px; }
    .event-card p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
    .event-tag { padding: 5px 9px; border-radius: 7px; color: #29725d; background: #e2f5ed; font-size: 11px; font-weight: 800; }

    .highlights { background: #f8f0f5; }
    .highlight-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 18px; }
    .highlight-card { position: relative; overflow: hidden; min-height: 270px; padding: 28px; border-radius: var(--radius); color: #fff; background: var(--plum); box-shadow: 0 12px 30px rgba(61,39,66,.08); }
    .highlight-card:first-child { min-height: 350px; background: linear-gradient(145deg, #4f3154, #2e2039); }
    .highlight-card:nth-child(2) { color: var(--ink); background: var(--yellow); }
    .highlight-card:nth-child(3) { color: var(--ink); background: var(--mint); }
    .highlight-card::before { position: absolute; right: -35px; bottom: -55px; width: 170px; height: 170px; border: 1px solid currentColor; border-radius: 50%; opacity: .15; content: ""; }
    .highlight-card .mini-label { color: var(--peach); font-size: 12px; font-weight: 900; letter-spacing: .08em; }
    .highlight-card:nth-child(n+2) .mini-label { color: var(--pink-deep); }
    .highlight-card h3 { max-width: 270px; margin: 42px 0 12px; font-size: 25px; line-height: 1.3; letter-spacing: -.03em; }
    .highlight-card p { max-width: 300px; margin: 0; color: inherit; opacity: .68; font-size: 13px; }
    .highlight-card .card-arrow { position: absolute; right: 26px; bottom: 25px; font-size: 22px; }

    .news-layout { display: grid; grid-template-columns: 1fr 330px; gap: 72px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 112px 1fr auto; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); transition: .2s ease; }
    .news-item:hover { padding-left: 8px; }
    .news-date { color: var(--pink-deep); font-size: 12px; font-weight: 800; }
    .news-item h3 { margin: 0; font-size: 17px; }
    .news-item p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
    .news-arrow { color: var(--soft); font-size: 20px; }
    .recommend { padding: 27px; border-radius: var(--radius); background: var(--plum); color: #fff; }
    .recommend h3 { margin: 0 0 20px; font-size: 20px; }
    .recommend-item { display: flex; gap: 13px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.14); }
    .recommend-item b { display: grid; min-width: 29px; height: 29px; place-items: center; border-radius: 9px; color: var(--plum); background: var(--peach); font-size: 12px; }
    .recommend-item span { color: rgba(255,255,255,.73); font-size: 13px; line-height: 1.55; }

    .signal { background: #fff; }
    .signal-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
    .signal h2 { margin: 12px 0 16px; font-size: 42px; line-height: 1.2; letter-spacing: -.045em; }
    .signal-copy p { color: var(--muted); }
    .signal-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
    .signal-list div { padding: 17px; border-left: 3px solid var(--pink); background: #fff6f8; }
    .signal-list strong { display: block; font-size: 20px; }
    .signal-list span { color: var(--muted); font-size: 12px; }
    .subscribe-box { padding: 36px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, #fff7f8, #fff); box-shadow: var(--shadow); }
    .subscribe-box h3 { margin: 0 0 10px; font-size: 24px; }
    .subscribe-box p { margin: 0 0 23px; color: var(--muted); font-size: 14px; }
    .subscribe-form { display: flex; gap: 10px; }
    .subscribe-form input { min-width: 0; flex: 1; padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; outline: 0; background: #fff; }
    .subscribe-form input:focus { border-color: var(--pink); box-shadow: 0 0 0 4px rgba(239,109,155,.12); }
    .form-note { margin-top: 13px; color: var(--soft); font-size: 11px; }

    .faq { background: #f8f0f5; }
    .faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
    .faq-intro h2 { margin: 12px 0 16px; font-size: 42px; line-height: 1.2; letter-spacing: -.045em; }
    .faq-intro p { color: var(--muted); }
    .faq-list { border-top: 1px solid #dfd0db; }
    .faq-item { border-bottom: 1px solid #dfd0db; }
    .faq-item button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0; border: 0; color: var(--ink); text-align: left; background: transparent; font-weight: 800; }
    .faq-item button span:last-child { color: var(--pink-deep); font-size: 22px; transition: .25s ease; }
    .faq-item.open button span:last-child { transform: rotate(45deg); }
    .faq-answer { display: none; padding: 0 45px 21px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }

    .cta { padding: 82px 0; color: #fff; background: var(--plum-2); }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 38px; }
    .cta h2 { max-width: 650px; margin: 0 0 10px; font-size: clamp(30px, 4vw, 48px); line-height: 1.2; letter-spacing: -.045em; }
    .cta p { max-width: 590px; margin: 0; color: rgba(255,255,255,.65); }
    .cta .button { flex: 0 0 auto; }

    footer { padding: 48px 0 24px; color: rgba(255,255,255,.65); background: #211729; }
    .footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; padding-bottom: 38px; }
    .footer-brand { max-width: 330px; }
    .footer-brand .brand { color: #fff; }
    .footer-brand p { margin: 16px 0 0; font-size: 13px; line-height: 1.8; }
    .footer-links { display: flex; gap: 70px; }
    .footer-links h4 { margin: 0 0 14px; color: #fff; font-size: 13px; }
    .footer-links a { display: block; margin: 7px 0; font-size: 13px; transition: .2s ease; }
    .footer-links a:hover { color: var(--peach); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.4); font-size: 11px; }

    @media (max-width: 1024px) {
      .hero-grid, .schedule-layout, .signal-grid, .faq-grid { gap: 40px; }
      .highlight-grid { grid-template-columns: 1fr 1fr; }
      .highlight-card:first-child { grid-column: span 2; }
      .news-layout { gap: 35px; }
      .footer-links { gap: 32px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, 620px); }
      .section { padding: 74px 0; }
      .site-header { top: 14px; }
      .nav-shell { border-radius: 20px; padding-left: 16px; }
      .menu-button { display: block; }
      .nav-links { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; background: rgba(38,25,46,.97); }
      .nav-links.show { display: grid; }
      .nav-links a { padding: 12px 15px; }
      .nav-action { display: none; }
      .hero { min-height: auto; padding: 140px 0 75px; }
      .hero-grid, .schedule-layout, .signal-grid, .faq-grid, .news-layout { grid-template-columns: 1fr; }
      .hero-copy h1 { font-size: clamp(40px, 12vw, 62px); }
      .hero-stats { margin-top: 34px; }
      .schedule-note { position: static; }
      .highlight-grid { grid-template-columns: 1fr; }
      .highlight-card:first-child { grid-column: auto; }
      .news-layout { gap: 38px; }
      .signal-list { gap: 10px; }
      .cta-inner, .footer-top { display: block; }
      .cta .button { margin-top: 25px; }
      .footer-links { margin-top: 35px; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 8px; }
    }
    @media (max-width: 520px) {
      .brand { font-size: 14px; }
      .brand-mark { width: 31px; height: 31px; }
      .hero-copy p { font-size: 16px; }
      .hero-actions .button { width: 100%; }
      .notice-inner { align-items: flex-start; flex-direction: column; gap: 8px; }
      .event-card { grid-template-columns: 1fr auto; gap: 10px; }
      .event-time { grid-column: span 2; }
      .event-card h3 { font-size: 14px; }
      .news-item { grid-template-columns: 1fr auto; gap: 4px 12px; }
      .news-date { grid-column: span 2; }
      .news-item h3 { font-size: 15px; }
      .news-item p { grid-column: span 2; }
      .subscribe-box { padding: 25px 20px; }
      .subscribe-form { display: block; }
      .subscribe-form .button { width: 100%; margin-top: 10px; }
      .footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
    }