/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-soft: #dbeafe;
      --secondary: #0f766e;
      --accent: #f59e0b;
      --danger: #ef4444;
      --bg: #f7faff;
      --surface: #ffffff;
      --surface-2: #eef5ff;
      --text: #102033;
      --muted: #667085;
      --light-text: #8a97a8;
      --border: #dce6f3;
      --border-strong: #c5d4e8;
      --shadow-sm: 0 8px 22px rgba(15, 32, 51, .06);
      --shadow-md: 0 18px 46px rgba(37, 99, 235, .12);
      --shadow-lg: 0 28px 70px rgba(15, 32, 51, .15);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --container: 1180px;
      --header-height: 78px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(37, 99, 235, .12), transparent 32%),
        radial-gradient(circle at 86% 18%, rgba(15, 118, 110, .10), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #ffffff 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    }

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

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

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px 16px;
      color: var(--text);
      background: #fff;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input:focus, textarea:focus, button:focus-visible, a:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .22);
      outline-offset: 3px;
    }

    input:focus, textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: var(--header-height);
      background: rgba(255, 255, 255, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(220, 230, 243, .82);
    }

    .nav-wrap {
      height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.03em;
      color: var(--text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), #60a5fa);
      color: #fff;
      box-shadow: 0 12px 30px rgba(37, 99, 235, .24);
      font-size: 18px;
    }

    .brand-text {
      max-width: 330px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 18px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 10px;
      margin-left: auto;
    }

    .nav-link {
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      color: #44546a;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .language-switch {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px;
      border: 1px solid var(--border);
      background: #fff;
      border-radius: 999px;
      box-shadow: var(--shadow-sm);
    }

    .language-switch span {
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      color: var(--muted);
    }

    .language-switch .on {
      color: #fff;
      background: var(--text);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      font-weight: 800;
      box-shadow: 0 12px 28px rgba(37, 99, 235, .22);
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(37, 99, 235, .30);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      align-items: center;
      justify-content: center;
      color: var(--text);
    }

    .mobile-toggle i,
    .mobile-toggle i::before,
    .mobile-toggle i::after {
      width: 18px;
      height: 2px;
      display: block;
      border-radius: 4px;
      background: currentColor;
      content: "";
      position: relative;
    }

    .mobile-toggle i::before { position: absolute; top: -6px; }
    .mobile-toggle i::after { position: absolute; bottom: -6px; }

    main {
      overflow: hidden;
    }

    .section {
      padding: 78px 0;
      position: relative;
    }

    .section.compact {
      padding: 56px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      background: var(--primary-soft);
      border: 1px solid rgba(37, 99, 235, .14);
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.045em;
      color: var(--text);
      max-width: 720px;
    }

    .section-desc {
      color: var(--muted);
      max-width: 560px;
      font-size: 16px;
      margin-top: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      white-space: nowrap;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 16px 34px rgba(37, 99, 235, .25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(37, 99, 235, .32);
    }

    .btn-soft {
      color: var(--primary);
      background: #fff;
      border-color: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .btn-soft:hover {
      transform: translateY(-2px);
      border-color: rgba(37, 99, 235, .30);
      box-shadow: var(--shadow-md);
    }

    .btn-dark {
      color: #fff;
      background: #0f2036;
      box-shadow: 0 16px 34px rgba(15, 32, 54, .22);
    }

    .btn-dark:hover {
      transform: translateY(-2px);
      background: #172d48;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(37, 99, 235, .16);
      background: #fff;
      color: var(--primary);
      box-shadow: 0 8px 18px rgba(37, 99, 235, .08);
    }

    .hero {
      padding: 48px 0 72px;
    }

    .hero-panel {
      border: 1px solid rgba(197, 212, 232, .78);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .96), rgba(239, 246, 255, .92)),
        radial-gradient(circle at 86% 20%, rgba(37, 99, 235, .18), transparent 34%);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.82), transparent 72%);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.14fr .86fr;
      gap: 34px;
      align-items: stretch;
      padding: clamp(26px, 5vw, 54px);
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .hero h1 {
      max-width: 820px;
      font-size: clamp(36px, 6.1vw, 72px);
      line-height: .98;
      letter-spacing: -.07em;
      color: #0d1b2f;
    }

    .hero-intro {
      max-width: 760px;
      margin-top: 22px;
      font-size: clamp(16px, 2vw, 19px);
      color: #526176;
    }

    .hero-actions {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .hero-note {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-note::before {
      content: "18+";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 24px;
      border-radius: 999px;
      color: #fff;
      background: var(--danger);
      font-weight: 900;
      font-size: 12px;
    }

    .trial-card {
      border-radius: 28px;
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(197, 212, 232, .88);
      box-shadow: var(--shadow-md);
      padding: 22px;
      align-self: center;
    }

    .trial-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .trial-title {
      font-size: 20px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .trial-status {
      color: var(--secondary);
      background: rgba(15, 118, 110, .10);
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .benefit-list {
      display: grid;
      gap: 10px;
    }

    .benefit-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 13px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: #fff;
    }

    .benefit-icon {
      width: 30px;
      height: 30px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary);
      flex: 0 0 auto;
      font-weight: 900;
    }

    .benefit-item strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 2px;
    }

    .benefit-item span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .qualification {
      margin-top: 14px;
      padding: 14px;
      border-radius: 18px;
      background: #f8fbff;
      border: 1px dashed var(--border-strong);
      color: var(--muted);
      font-size: 13px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .stat-mini {
      padding: 16px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .stat-mini b {
      display: block;
      color: var(--text);
      font-size: 24px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .stat-mini span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
    }

    .calendar-layout {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 24px;
      align-items: start;
    }

    .calendar-side,
    .info-recommend,
    .guide-panel,
    .lead-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow-sm);
      padding: 24px;
    }

    .calendar-date {
      display: grid;
      place-items: center;
      min-height: 230px;
      border-radius: 24px;
      background: linear-gradient(135deg, #eff6ff, #ffffff);
      border: 1px solid var(--border);
      text-align: center;
    }

    .calendar-date strong {
      font-size: 68px;
      line-height: .9;
      letter-spacing: -.08em;
      color: var(--primary);
    }

    .calendar-date span {
      display: block;
      margin-top: 10px;
      color: var(--muted);
      font-weight: 800;
    }

    .calendar-tip {
      margin-top: 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .schedule {
      display: grid;
      gap: 14px;
    }

    .schedule-row {
      display: grid;
      grid-template-columns: 110px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .schedule-row:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(37, 99, 235, .25);
    }

    .schedule-time {
      color: var(--primary);
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .schedule-row h3 {
      font-size: 18px;
      line-height: 1.3;
      margin-bottom: 4px;
    }

    .schedule-row p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .status-chip {
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--secondary);
      background: rgba(15, 118, 110, .10);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .topic-section {
      background: linear-gradient(180deg, rgba(239, 246, 255, .7), rgba(255,255,255,.4));
    }

    .topic-rail {
      display: flex;
      gap: 18px;
      overflow-x: auto;
      padding: 6px 4px 18px;
      scroll-snap-type: x mandatory;
    }

    .topic-rail::-webkit-scrollbar {
      height: 8px;
    }

    .topic-rail::-webkit-scrollbar-thumb {
      background: #c8d8ef;
      border-radius: 999px;
    }

    .poster-card {
      min-width: 250px;
      height: 330px;
      position: relative;
      overflow: hidden;
      border-radius: 26px;
      border: 1px solid rgba(197, 212, 232, .92);
      background: linear-gradient(145deg, #1e3a8a, #2563eb 42%, #bfdbfe);
      box-shadow: var(--shadow-md);
      scroll-snap-align: start;
    }

    .poster-card:nth-child(2) { background: linear-gradient(145deg, #0f766e, #38bdf8 48%, #e0f2fe); }
    .poster-card:nth-child(3) { background: linear-gradient(145deg, #312e81, #60a5fa 48%, #f8fafc); }
    .poster-card:nth-child(4) { background: linear-gradient(145deg, #0f172a, #2563eb 48%, #93c5fd); }
    .poster-card:nth-child(5) { background: linear-gradient(145deg, #164e63, #0284c7 48%, #e0f2fe); }

    .poster-card::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255,255,255,.32);
      border-radius: 22px;
    }

    .poster-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 72% 24%, rgba(255,255,255,.42), transparent 24%),
        linear-gradient(180deg, transparent 20%, rgba(5, 16, 33, .82) 100%);
    }

    .poster-content {
      position: absolute;
      z-index: 2;
      left: 20px;
      right: 20px;
      bottom: 20px;
      color: #fff;
      transition: transform .22s ease;
    }

    .poster-card:hover .poster-content {
      transform: translateY(-8px);
    }

    .poster-content .tag {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.24);
      backdrop-filter: blur(8px);
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .poster-content h3 {
      font-size: 24px;
      line-height: 1.15;
      letter-spacing: -.04em;
      margin-bottom: 8px;
    }

    .poster-content p {
      color: rgba(255,255,255,.82);
      font-size: 14px;
      line-height: 1.55;
      margin-bottom: 14px;
    }

    .poster-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #0d1b2f;
      background: #fff;
      padding: 9px 12px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 13px;
    }

    .dashboard {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .metric-card {
      border: 1px solid var(--border);
      background: var(--surface);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .metric-card.wide {
      grid-column: span 2;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 20px;
      align-items: center;
    }

    .metric-card::after {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: rgba(37, 99, 235, .08);
    }

    .metric-label {
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .metric-value {
      margin-top: 8px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.07em;
      color: var(--text);
    }

    .metric-text {
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
    }

    .bar-list {
      display: grid;
      gap: 12px;
    }

    .bar-row {
      display: grid;
      grid-template-columns: 88px 1fr 44px;
      gap: 10px;
      align-items: center;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: #e8eef8;
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), #60a5fa);
    }

    .campaign {
      padding: 0;
    }

    .campaign-box {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 26px;
      align-items: center;
      padding: clamp(26px, 5vw, 44px);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #0f2036, #1d4ed8),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.18), transparent 30%);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .campaign-box::before {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      right: -120px;
      top: -140px;
      background: rgba(255,255,255,.12);
    }

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

    .campaign h2 {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.12;
      letter-spacing: -.05em;
      margin: 12px 0;
    }

    .campaign p {
      color: rgba(255,255,255,.78);
      max-width: 650px;
    }

    .gift-grid {
      display: grid;
      gap: 12px;
    }

    .gift {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
      backdrop-filter: blur(10px);
    }

    .gift strong {
      display: block;
      margin-bottom: 4px;
      font-size: 17px;
    }

    .gift span {
      color: rgba(255,255,255,.76);
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 126px 1fr;
      gap: 18px;
      padding: 20px;
      border-bottom: 1px solid var(--border);
    }

    .news-item:last-child {
      border-bottom: 0;
    }

    .news-date {
      border-radius: 18px;
      background: #f3f7fd;
      border: 1px solid var(--border);
      min-height: 88px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 14px;
      color: var(--primary);
      font-weight: 950;
    }

    .news-date span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      margin-top: 4px;
    }

    .news-item h3 {
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .news-item h3 a:hover {
      color: var(--primary);
    }

    .news-item p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.62;
    }

    .recommend-title {
      font-size: 20px;
      font-weight: 950;
      letter-spacing: -.03em;
      margin-bottom: 16px;
    }

    .recommend-list {
      display: grid;
      gap: 10px;
    }

    .recommend-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 16px;
      color: var(--text);
      background: #fff;
      font-weight: 800;
    }

    .recommend-list a:hover {
      color: var(--primary);
      transform: translateX(3px);
      border-color: rgba(37, 99, 235, .25);
    }

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

    .steps {
      counter-reset: step;
      display: grid;
      gap: 14px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .step::before {
      content: counter(step);
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary);
      font-weight: 950;
      box-shadow: 0 12px 24px rgba(37, 99, 235, .22);
    }

    .step h3 {
      font-size: 18px;
      margin-bottom: 4px;
    }

    .step p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 20px;
      background: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      color: var(--text);
      font-weight: 950;
      text-align: left;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: var(--primary);
      transition: transform .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.72;
    }

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

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .lead-section {
      padding-top: 0;
    }

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

    .lead-card {
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(239,246,255,.9));
    }

    .lead-points {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .lead-point {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--muted);
    }

    .lead-point b {
      width: 26px;
      height: 26px;
      border-radius: 9px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--secondary);
      flex: 0 0 auto;
      font-size: 13px;
    }

    .lead-form {
      display: grid;
      gap: 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-md);
      padding: 24px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .form-label {
      display: grid;
      gap: 7px;
      color: var(--text);
      font-size: 14px;
      font-weight: 900;
    }

    .privacy {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      padding: 12px 14px;
      border-radius: 16px;
      background: #f6f9fe;
      border: 1px solid var(--border);
    }

    .floating-cta {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 90;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px 12px 12px;
      border-radius: 999px;
      color: #fff;
      background: #0f2036;
      box-shadow: 0 18px 50px rgba(15, 32, 54, .28);
      border: 1px solid rgba(255,255,255,.12);
      font-weight: 900;
    }

    .floating-cta:hover {
      transform: translateY(-3px);
      background: #172d48;
    }

    .floating-cta i {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--primary);
      font-style: normal;
    }

    .site-footer {
      padding: 52px 0 28px;
      background: #0f2036;
      color: #dbe7f6;
      margin-top: 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 950;
      letter-spacing: -.03em;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-text {
      color: rgba(219, 231, 246, .74);
      max-width: 520px;
      font-size: 15px;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      color: rgba(219, 231, 246, .72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(2px);
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(219, 231, 246, .62);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .hero-inner,
      .calendar-layout,
      .dashboard,
      .campaign-box,
      .news-layout,
      .guide-grid,
      .lead-wrap {
        grid-template-columns: 1fr;
      }

      .metric-card.wide {
        grid-column: auto;
        grid-template-columns: 1fr;
      }

      .trial-card {
        align-self: stretch;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-height: 68px;
      }

      .site-header {
        height: auto;
      }

      .nav-wrap {
        min-height: var(--header-height);
        height: auto;
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .brand-text {
        max-width: 220px;
        font-size: 16px;
      }

      .mobile-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .main-nav {
        display: none;
        width: 100%;
        order: 3;
        padding: 12px;
        border: 1px solid var(--border);
        border-radius: 20px;
        background: #fff;
        box-shadow: var(--shadow-sm);
        flex-direction: column;
        align-items: stretch;
      }

      .main-nav.open {
        display: flex;
      }

      .nav-link,
      .nav-cta {
        width: 100%;
        justify-content: center;
      }

      .language-switch {
        width: 100%;
        justify-content: center;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-inner {
        padding: 24px;
      }

      .hero-stats,
      .form-row {
        grid-template-columns: 1fr;
      }

      .schedule-row {
        grid-template-columns: 1fr;
      }

      .status-chip {
        width: max-content;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .floating-cta {
        left: 16px;
        right: 16px;
        bottom: 16px;
        justify-content: center;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .section {
        padding: 56px 0;
      }

      .hero-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .poster-card {
        min-width: 220px;
        height: 305px;
      }

      .calendar-date strong {
        font-size: 54px;
      }

      .lead-form,
      .calendar-side,
      .info-recommend,
      .guide-panel,
      .lead-card {
        padding: 18px;
      }
    }