/* roulang page: index */
:root {
      --color-primary: #6d5dfc;
      --color-primary-dark: #4c3df2;
      --color-secondary: #00c2a8;
      --color-accent: #ffb84d;
      --color-ink: #172033;
      --color-ink-soft: #4f5d75;
      --color-muted: #7a8499;
      --color-bg: #f6f8ff;
      --color-panel: #ffffff;
      --color-panel-soft: rgba(255,255,255,.78);
      --color-border: rgba(23,32,51,.10);
      --color-border-strong: rgba(109,93,252,.22);
      --shadow-soft: 0 18px 55px rgba(37, 43, 72, .10);
      --shadow-card: 0 14px 34px rgba(37, 43, 72, .09);
      --shadow-hover: 0 22px 55px rgba(37, 43, 72, .16);
      --radius-xs: 10px;
      --radius-sm: 16px;
      --radius-md: 24px;
      --radius-lg: 34px;
      --container: 1180px;
      --section-y: 86px;
      --ease: all .24s ease;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      font-family: var(--font-sans);
      color: var(--color-ink);
      line-height: 1.75;
      background:
        radial-gradient(circle at top left, rgba(109,93,252,.16), transparent 30%),
        radial-gradient(circle at top right, rgba(0,194,168,.12), transparent 28%),
        var(--color-bg);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--color-primary-dark);
    }

    img,
    svg,
    video {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(109,93,252,.28);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .site-wrap {
      position: relative;
      overflow: hidden;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .section {
      padding: var(--section-y) 0;
      position: relative;
    }

    .section--tight {
      padding: 62px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(109,93,252,.10);
      border: 1px solid rgba(109,93,252,.18);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .03em;
      margin-bottom: 12px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.18;
      letter-spacing: -.04em;
      color: var(--color-ink);
      font-weight: 900;
    }

    .section-desc {
      max-width: 620px;
      margin: 10px 0 0;
      color: var(--color-ink-soft);
      font-size: 16px;
    }

    .muted {
      color: var(--color-muted);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      color: #5245de;
      background: rgba(109,93,252,.10);
      border: 1px solid rgba(109,93,252,.16);
      white-space: nowrap;
    }

    .badge--green {
      color: #008f7b;
      background: rgba(0,194,168,.11);
      border-color: rgba(0,194,168,.18);
    }

    .badge--gold {
      color: #956000;
      background: rgba(255,184,77,.16);
      border-color: rgba(255,184,77,.22);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border: 0;
      border-radius: 999px;
      padding: 13px 20px;
      min-height: 48px;
      font-weight: 900;
      line-height: 1;
      letter-spacing: -.01em;
      transition: var(--ease);
      position: relative;
      overflow: hidden;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), #8b5cf6 52%, #00c2a8);
      box-shadow: 0 14px 28px rgba(109,93,252,.26);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(109,93,252,.34);
    }

    .btn-ghost {
      color: var(--color-ink);
      background: rgba(255,255,255,.72);
      border: 1px solid var(--color-border);
      box-shadow: 0 8px 22px rgba(37,43,72,.06);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: var(--color-primary-dark);
      border-color: rgba(109,93,252,.25);
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
    }

    .btn-soft {
      color: var(--color-primary-dark);
      background: rgba(109,93,252,.10);
      border: 1px solid rgba(109,93,252,.14);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      background: rgba(109,93,252,.16);
      color: var(--color-primary-dark);
      transform: translateY(-1px);
    }

    .card {
      background: var(--color-panel-soft);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(18px);
      transition: var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-border-strong);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      background: rgba(246,248,255,.78);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(23,32,51,.08);
    }

    .nav-shell {
      width: min(1240px, calc(100% - 32px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
    }

    .nav-side {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-side--left {
      justify-content: flex-start;
    }

    .nav-side--right {
      justify-content: flex-end;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 14px;
      color: var(--color-ink-soft);
      font-weight: 800;
    }

    .nav-link:hover {
      color: var(--color-primary-dark);
      background: rgba(109,93,252,.08);
    }

    .nav-link.active {
      color: var(--color-primary-dark);
      background: #fff;
      box-shadow: 0 8px 22px rgba(37,43,72,.08);
      border: 1px solid rgba(109,93,252,.12);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 8px 14px;
      border-radius: 999px;
      background: #fff;
      box-shadow: 0 12px 30px rgba(37,43,72,.08);
      border: 1px solid rgba(109,93,252,.14);
      color: var(--color-ink);
      font-weight: 950;
      letter-spacing: -.04em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 10px 20px rgba(109,93,252,.25);
      font-size: 14px;
    }

    .brand-text {
      font-size: 17px;
    }

    .nav-cta {
      padding: 11px 16px;
      min-height: 42px;
      font-size: 14px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      background: #fff;
      color: var(--color-ink);
      box-shadow: 0 8px 22px rgba(37,43,72,.08);
    }

    .mobile-panel {
      display: none;
      width: min(1240px, calc(100% - 32px));
      margin: 10px auto 0;
      padding: 10px;
      border-radius: 20px;
      background: rgba(255,255,255,.92);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .mobile-panel.is-open {
      display: block;
    }

    .mobile-panel .nav-link,
    .mobile-panel .btn {
      width: 100%;
      justify-content: center;
      margin: 4px 0;
    }

    .hero {
      padding: 42px 0 74px;
    }

    .hero-stage {
      position: relative;
      min-height: 680px;
      border-radius: 42px;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(120deg, rgba(16,21,42,.94), rgba(74,55,188,.82)),
        radial-gradient(circle at 20% 20%, rgba(0,194,168,.28), transparent 30%),
        radial-gradient(circle at 82% 34%, rgba(255,184,77,.25), transparent 28%),
        #10152a;
      box-shadow: 0 30px 90px rgba(23,32,51,.24);
      isolation: isolate;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), rgba(0,0,0,.08));
      pointer-events: none;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      left: -8%;
      right: -8%;
      bottom: -26%;
      height: 300px;
      background: radial-gradient(ellipse at center, rgba(0,194,168,.26), transparent 64%);
      pointer-events: none;
    }

    .film-ribbon {
      position: absolute;
      inset: auto -80px 40px -80px;
      height: 180px;
      display: flex;
      gap: 16px;
      transform: rotate(-4deg);
      opacity: .26;
      z-index: 0;
      pointer-events: none;
    }

    .film-ribbon span {
      flex: 0 0 170px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.30);
      background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.04));
      box-shadow: inset 0 0 0 8px rgba(255,255,255,.04);
      animation: floatCard 5s ease-in-out infinite;
    }

    .film-ribbon span:nth-child(2n) {
      transform: translateY(24px);
      animation-delay: .4s;
    }

    .film-ribbon span:nth-child(3n) {
      animation-delay: .8s;
    }

    @keyframes floatCard {
      0%, 100% { translate: 0 0; }
      50% { translate: 0 -12px; }
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      padding: clamp(30px, 5vw, 70px);
      min-height: 680px;
      display: grid;
      grid-template-rows: auto 1fr auto;
      gap: 28px;
    }

    .invite-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 14px 16px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
      backdrop-filter: blur(16px);
    }

    .invite-bar strong {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-size: 14px;
    }

    .invite-mini {
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,.78);
      font-size: 13px;
      white-space: nowrap;
    }

    .hero-main {
      align-self: center;
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(38px, 6.8vw, 82px);
      line-height: 1.05;
      letter-spacing: -.075em;
      font-weight: 950;
      color: #fff;
      text-wrap: balance;
    }

    .hero-lead {
      max-width: 760px;
      margin: 22px auto 0;
      color: rgba(255,255,255,.82);
      font-size: clamp(16px, 2vw, 20px);
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 28px;
    }

    .hero .btn-ghost {
      color: #fff;
      background: rgba(255,255,255,.13);
      border-color: rgba(255,255,255,.20);
    }

    .hero .btn-ghost:hover {
      color: #fff;
      background: rgba(255,255,255,.20);
    }

    .reward-board {
      align-self: end;
      display: grid;
      grid-template-columns: 1.05fr 1.5fr 1.05fr;
      gap: 16px;
      align-items: stretch;
    }

    .reward-card {
      padding: 18px;
      border-radius: 26px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.17);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 50px rgba(0,0,0,.14);
    }

    .reward-card h3 {
      margin: 0 0 8px;
      color: #fff;
      font-size: 16px;
      font-weight: 900;
    }

    .reward-card p {
      margin: 0;
      color: rgba(255,255,255,.76);
      font-size: 14px;
    }

    .progress-card {
      padding: 20px;
      border-radius: 30px;
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(18px);
    }

    .progress-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 12px;
      font-weight: 900;
    }

    .progress-top span {
      color: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 700;
    }

    .progress-line {
      height: 12px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(255,255,255,.16);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }

    .progress-fill {
      display: block;
      width: 68%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
      box-shadow: 0 0 24px rgba(0,194,168,.35);
    }

    .progress-note {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      margin-top: 12px;
      color: rgba(255,255,255,.72);
      font-size: 13px;
    }

    .stats-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 18px;
    }

    .stat-pill {
      padding: 14px;
      border-radius: 22px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.13);
    }

    .stat-pill strong {
      display: block;
      color: #fff;
      font-size: 24px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .stat-pill span {
      color: rgba(255,255,255,.70);
      font-size: 12px;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
    }

    .feature-spot {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, #ffffff, #f3f5ff);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    .feature-spot::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      right: -90px;
      bottom: -90px;
      background: radial-gradient(circle, rgba(109,93,252,.15), transparent 66%);
    }

    .feature-spot h3 {
      position: relative;
      margin: 16px 0 12px;
      font-size: 30px;
      line-height: 1.25;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .feature-spot p {
      position: relative;
      color: var(--color-ink-soft);
      margin: 0;
    }

    .feature-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .feature-item {
      padding: 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 28px rgba(37,43,72,.06);
      transition: var(--ease);
    }

    .feature-item:hover {
      transform: translateY(-4px);
      border-color: rgba(109,93,252,.22);
      box-shadow: var(--shadow-card);
    }

    .icon-box {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 12px 24px rgba(109,93,252,.20);
      margin-bottom: 16px;
    }

    .feature-item h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .feature-item p {
      margin: 0;
      color: var(--color-ink-soft);
      font-size: 14px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: start;
    }

    .metric-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .metric-row {
      display: grid;
      grid-template-columns: 130px 1fr 72px;
      gap: 16px;
      align-items: center;
      padding: 18px 0;
      border-bottom: 1px solid var(--color-border);
    }

    .metric-row:last-child {
      border-bottom: 0;
    }

    .metric-name {
      font-weight: 900;
      color: var(--color-ink);
    }

    .metric-bar {
      height: 11px;
      background: #edf0fb;
      border-radius: 999px;
      overflow: hidden;
    }

    .metric-bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    }

    .metric-value {
      text-align: right;
      font-weight: 950;
      color: var(--color-primary-dark);
    }

    .quick-params {
      display: grid;
      gap: 14px;
    }

    .param-card {
      padding: 20px;
      border-radius: 24px;
      background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(255,255,255,.70));
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 28px rgba(37,43,72,.06);
    }

    .param-card small {
      display: block;
      color: var(--color-muted);
      font-weight: 800;
      margin-bottom: 4px;
    }

    .param-card strong {
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.05em;
      color: var(--color-ink);
    }

    .param-card p {
      margin: 8px 0 0;
      color: var(--color-ink-soft);
      font-size: 14px;
    }

    .compare-board {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .compare-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-card);
    }

    .compare-card.highlight {
      background: linear-gradient(145deg, #fff, #f0f7ff);
      border-color: rgba(109,93,252,.20);
    }

    .compare-card h3 {
      margin: 0 0 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 22px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 13px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    .check-list i {
      width: 22px;
      height: 22px;
      flex: 0 0 22px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: var(--color-secondary);
      font-size: 12px;
      margin-top: 2px;
    }

    .check-list .warn i {
      background: #f05f57;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
      gap: 24px;
      align-items: start;
    }

    .news-list {
      padding: 10px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .news-link {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      color: var(--color-ink);
    }

    .news-link + .news-link {
      border-top: 1px solid rgba(23,32,51,.07);
    }

    .news-link:hover {
      background: rgba(109,93,252,.07);
      color: var(--color-primary-dark);
      transform: translateX(3px);
    }

    .news-date {
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      border-radius: 18px;
      color: var(--color-primary-dark);
      background: rgba(109,93,252,.10);
      font-weight: 950;
      line-height: 1.1;
      text-align: center;
      font-size: 13px;
    }

    .news-title {
      font-weight: 950;
      letter-spacing: -.02em;
      line-height: 1.35;
    }

    .news-summary {
      margin-top: 5px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .recommend-box {
      padding: 26px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(23,32,51,.96), rgba(73,59,172,.92)),
        #172033;
      color: #fff;
      box-shadow: 0 22px 60px rgba(23,32,51,.18);
      position: sticky;
      top: 96px;
      overflow: hidden;
    }

    .recommend-box::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      right: -70px;
      top: -70px;
      background: rgba(0,194,168,.23);
    }

    .recommend-box > * {
      position: relative;
      z-index: 1;
    }

    .recommend-box h3 {
      margin: 14px 0 10px;
      font-size: 24px;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .recommend-box p {
      color: rgba(255,255,255,.76);
      margin: 0 0 18px;
    }

    .topic-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .topic-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 15px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 10px 24px rgba(37,43,72,.05);
      color: var(--color-ink-soft);
      font-weight: 850;
    }

    .topic-tag:hover {
      color: var(--color-primary-dark);
      transform: translateY(-2px);
      border-color: rgba(109,93,252,.24);
      box-shadow: var(--shadow-card);
    }

    .media-scroll {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(280px, 360px);
      gap: 18px;
      overflow-x: auto;
      padding: 4px 4px 18px;
      scroll-snap-type: x proximity;
      scrollbar-width: thin;
      scrollbar-color: rgba(109,93,252,.35) rgba(23,32,51,.08);
    }

    .media-card {
      scroll-snap-align: start;
      min-height: 260px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      transition: var(--ease);
    }

    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109,93,252,.22);
    }

    .media-cover {
      height: 118px;
      padding: 18px;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), #8b5cf6 50%, var(--color-secondary));
    }

    .media-cover .shape {
      width: 62px;
      height: 62px;
      border-radius: 22px;
      background: rgba(255,255,255,.18);
      display: grid;
      place-items: center;
      font-size: 22px;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.20);
    }

    .media-body {
      padding: 20px;
    }

    .media-body h3 {
      margin: 0 0 8px;
      font-size: 19px;
      line-height: 1.35;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .media-body p {
      margin: 0;
      color: var(--color-ink-soft);
      font-size: 14px;
    }

    .playlist-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
    }

    .playlist-main {
      min-height: 360px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255,255,255,.96), rgba(239,244,255,.92)),
        #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .playlist-main::before {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      right: -130px;
      top: -100px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0,194,168,.18), transparent 68%);
    }

    .playlist-main h3 {
      position: relative;
      margin: 16px 0 10px;
      font-size: 32px;
      line-height: 1.22;
      font-weight: 950;
      letter-spacing: -.045em;
    }

    .playlist-main p {
      position: relative;
      color: var(--color-ink-soft);
      max-width: 560px;
      margin: 0;
    }

    .playlist-actions {
      position: relative;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .playlist-side {
      display: grid;
      gap: 14px;
    }

    .playlist-tile {
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 28px rgba(37,43,72,.06);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: var(--ease);
    }

    .playlist-tile:hover {
      transform: translateX(4px);
      border-color: rgba(109,93,252,.22);
      box-shadow: var(--shadow-card);
    }

    .playlist-tile strong {
      display: block;
      margin-bottom: 4px;
      font-size: 17px;
      font-weight: 950;
    }

    .playlist-tile span {
      color: var(--color-muted);
      font-size: 14px;
    }

    .playlist-tile i {
      color: var(--color-primary);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .faq-note {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .faq-note h3 {
      margin: 14px 0 10px;
      font-size: 26px;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .faq-note p {
      margin: 0;
      color: var(--color-ink-soft);
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .faq-item {
      margin-bottom: 14px;
      border-radius: 24px;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 28px rgba(37,43,72,.06);
    }

    .faq-question {
      width: 100%;
      padding: 20px 22px;
      border: 0;
      background: #fff;
      color: var(--color-ink);
      text-align: left;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .faq-question:hover {
      color: var(--color-primary-dark);
      background: rgba(109,93,252,.05);
    }

    .faq-question i {
      transition: var(--ease);
      color: var(--color-primary);
    }

    .faq-item.is-open .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--color-ink-soft);
      font-size: 15px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .reserve {
      padding-bottom: 110px;
    }

    .reserve-shell {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 24px;
      padding: 28px;
      border-radius: 42px;
      background:
        radial-gradient(circle at 14% 10%, rgba(255,184,77,.18), transparent 28%),
        radial-gradient(circle at 86% 16%, rgba(0,194,168,.20), transparent 26%),
        linear-gradient(145deg, #172033, #302a86);
      color: #fff;
      box-shadow: 0 32px 88px rgba(23,32,51,.26);
      overflow: hidden;
    }

    .reserve-copy {
      padding: 20px;
      align-self: center;
    }

    .reserve-copy .section-kicker {
      color: #fff;
      background: rgba(255,255,255,.13);
      border-color: rgba(255,255,255,.18);
    }

    .reserve-copy h2 {
      margin: 0;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.14;
      letter-spacing: -.055em;
      font-weight: 950;
    }

    .reserve-copy p {
      margin: 16px 0 0;
      color: rgba(255,255,255,.78);
      max-width: 560px;
    }

    .reserve-perks {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 24px;
    }

    .perk {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.11);
      border: 1px solid rgba(255,255,255,.15);
      color: rgba(255,255,255,.85);
      font-weight: 800;
      font-size: 14px;
    }

    .reserve-form {
      padding: 26px;
      border-radius: 32px;
      background: rgba(255,255,255,.94);
      color: var(--color-ink);
      border: 1px solid rgba(255,255,255,.38);
      box-shadow: 0 22px 55px rgba(0,0,0,.16);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .field {
      margin-bottom: 15px;
    }

    .field label {
      display: block;
      margin-bottom: 7px;
      color: var(--color-ink);
      font-size: 13px;
      font-weight: 900;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 48px;
      border-radius: 16px;
      border: 1px solid rgba(23,32,51,.12);
      background: #f8f9ff;
      box-shadow: none;
      padding: 12px 14px;
      color: var(--color-ink);
      transition: var(--ease);
      margin: 0;
    }

    .field textarea {
      min-height: 110px;
      resize: vertical;
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: rgba(109,93,252,.42);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(109,93,252,.10);
    }

    .form-tip {
      margin: 12px 0 0;
      color: var(--color-muted);
      font-size: 13px;
    }

    .form-message {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 16px;
      color: #087969;
      background: rgba(0,194,168,.12);
      border: 1px solid rgba(0,194,168,.20);
      font-weight: 800;
      font-size: 14px;
    }

    .form-message.is-show {
      display: block;
    }

    .site-footer {
      padding: 56px 0 32px;
      color: rgba(255,255,255,.76);
      background:
        linear-gradient(180deg, rgba(23,32,51,.98), rgba(13,18,34,1));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 20px;
      font-weight: 950;
      letter-spacing: -.04em;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      width: 38px;
      height: 38px;
    }

    .footer-title {
      color: #fff;
      font-weight: 950;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255,255,255,.68);
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      font-size: 13px;
      color: rgba(255,255,255,.55);
    }

    .legal-note {
      margin-top: 10px;
      max-width: 640px;
      color: rgba(255,255,255,.58);
      font-size: 13px;
      line-height: 1.7;
    }

    @media (max-width: 1024px) {
      :root {
        --section-y: 72px;
      }

      .reward-board,
      .feature-layout,
      .metric-grid,
      .news-layout,
      .playlist-grid,
      .faq-layout,
      .reserve-shell {
        grid-template-columns: 1fr;
      }

      .recommend-box {
        position: relative;
        top: 0;
      }

      .feature-list {
        grid-template-columns: 1fr 1fr;
      }

      .hero-stage,
      .hero-inner {
        min-height: auto;
      }

      .hero-inner {
        padding: 36px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        padding: 10px 0;
      }

      .nav-shell {
        grid-template-columns: auto 1fr auto;
        width: min(100% - 24px, 1240px);
      }

      .nav-side {
        display: none;
      }

      .brand {
        justify-self: start;
        padding: 7px 10px;
      }

      .brand-text {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
        justify-self: end;
      }

      .section-head {
        display: block;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-stage {
        border-radius: 30px;
      }

      .hero-inner {
        padding: 24px;
        gap: 24px;
      }

      .invite-bar {
        align-items: flex-start;
        border-radius: 24px;
        flex-direction: column;
      }

      .invite-mini {
        white-space: normal;
      }

      .reward-board {
        gap: 12px;
      }

      .stats-strip,
      .feature-list,
      .compare-board,
      .reserve-perks,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .metric-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .metric-value {
        text-align: left;
      }

      .news-link {
        grid-template-columns: auto 1fr;
      }

      .news-link i {
        display: none;
      }

      .form-row {
        grid-template-columns: 1fr;
        gap: 0;
      }

      .reserve-shell {
        padding: 18px;
        border-radius: 30px;
      }

      .reserve-copy,
      .reserve-form {
        padding: 18px;
      }

      .footer-bottom {
        display: block;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section-y: 58px;
      }

      .hero-actions,
      .playlist-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .hero h1 {
        font-size: 36px;
      }

      .hero-lead {
        font-size: 15px;
      }

      .section-title {
        font-size: 28px;
      }

      .feature-spot,
      .metric-panel,
      .compare-card,
      .reserve-form,
      .faq-note {
        border-radius: 24px;
      }

      .media-scroll {
        grid-auto-columns: minmax(250px, 86vw);
      }

      .topic-tag {
        width: 100%;
        justify-content: space-between;
      }
    }