/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-soft: #dbeafe;
      --secondary: #0ea5e9;
      --accent: #f97316;
      --accent-soft: #ffedd5;
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;
      --bg: #f7faff;
      --surface: #ffffff;
      --surface-2: #f1f6ff;
      --text: #102033;
      --muted: #617089;
      --light: #8a98ad;
      --border: #dfe8f6;
      --border-strong: #c8d8ef;
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, .06);
      --shadow-md: 0 16px 45px rgba(37, 99, 235, .12);
      --shadow-lg: 0 28px 70px rgba(15, 23, 42, .16);
      --radius-sm: 12px;
      --radius: 18px;
      --radius-lg: 28px;
      --container: 1180px;
      --nav-height: 76px;
      --ease: all .22s ease;
      --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 {
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 10%, rgba(37, 99, 235, .10), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(14, 165, 233, .12), transparent 32%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 48%, #ffffff 100%);
      line-height: 1.7;
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input {
      border: 0;
      outline: 0;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .28);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(223, 232, 246, .85);
      box-shadow: 0 10px 34px rgba(15, 23, 42, .04);
    }

    .nav {
      min-height: var(--nav-height);
      display: flex;
      align-items: center;
      gap: 26px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      flex: 0 0 auto;
    }

    .brand-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      letter-spacing: -1px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 28px rgba(37, 99, 235, .22);
    }

    .brand-text {
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -.3px;
      white-space: nowrap;
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: 8px;
    }

    .nav-link {
      padding: 10px 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 15px;
      font-weight: 700;
    }

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

    .nav-actions {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      width: 268px;
      height: 44px;
      display: flex;
      align-items: center;
      gap: 9px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: #f8fbff;
      padding: 0 15px;
      color: var(--light);
      transition: var(--ease);
    }

    .search-box:focus-within {
      border-color: rgba(37, 99, 235, .55);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
      background: #fff;
    }

    .search-box input {
      width: 100%;
      min-width: 0;
      background: transparent;
      color: var(--text);
      font-size: 14px;
    }

    .search-box input::placeholder {
      color: #9aa9be;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      border: 1px solid transparent;
      transition: var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 30px rgba(37, 99, 235, .24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(37, 99, 235, .30);
    }

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

    .btn-secondary:hover {
      border-color: rgba(37, 99, 235, .45);
      background: #f8fbff;
      transform: translateY(-2px);
    }

    .btn-accent {
      color: #fff;
      background: linear-gradient(135deg, #fb923c, #f97316);
      box-shadow: 0 14px 34px rgba(249, 115, 22, .22);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(249, 115, 22, .30);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--text);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      margin: 4px auto;
      border-radius: 4px;
      transition: var(--ease);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 72px 0;
    }

    .section-tight {
      padding: 42px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: end;
      margin-bottom: 28px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary-dark);
      background: rgba(37, 99, 235, .10);
      border: 1px solid rgba(37, 99, 235, .14);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 900;
      width: fit-content;
      margin-bottom: 13px;
    }

    .section-title {
      font-size: clamp(28px, 3.2vw, 42px);
      line-height: 1.18;
      letter-spacing: -.9px;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      max-width: 760px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--surface-2);
      color: var(--primary-dark);
      border: 1px solid var(--border);
      font-weight: 800;
      font-size: 12px;
      white-space: nowrap;
    }

    .badge-hot {
      background: var(--accent-soft);
      color: #c2410c;
      border-color: #fed7aa;
    }

    .badge-green {
      background: #dcfce7;
      color: #047857;
      border-color: #bbf7d0;
    }

    .hero {
      padding: 42px 0 66px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      background:
        linear-gradient(120deg, rgba(37, 99, 235, .94), rgba(14, 165, 233, .86)),
        radial-gradient(circle at 76% 20%, rgba(255, 255, 255, .32), transparent 32%);
      box-shadow: var(--shadow-lg);
      color: #fff;
      min-height: 520px;
    }

    .hero-stage::before,
    .hero-stage::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255, 255, 255, .12);
      pointer-events: none;
    }

    .hero-stage::before {
      width: 360px;
      height: 360px;
      right: -90px;
      top: -120px;
    }

    .hero-stage::after {
      width: 260px;
      height: 260px;
      left: 42%;
      bottom: -150px;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 34px;
      padding: clamp(30px, 5vw, 58px);
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .hero-label {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 22px;
    }

    .hero-label span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .22);
      color: rgba(255, 255, 255, .94);
      font-weight: 800;
      font-size: 13px;
      backdrop-filter: blur(10px);
    }

    h1 {
      font-size: clamp(36px, 5.2vw, 66px);
      line-height: 1.06;
      letter-spacing: -1.8px;
      margin-bottom: 22px;
      max-width: 820px;
    }

    .hero-desc {
      font-size: clamp(16px, 1.8vw, 20px);
      line-height: 1.85;
      color: rgba(255, 255, 255, .88);
      max-width: 750px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .hero .btn-secondary {
      background: rgba(255, 255, 255, .94);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 700px;
    }

    .metric {
      border-radius: 18px;
      padding: 16px;
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(12px);
    }

    .metric strong {
      display: block;
      font-size: 25px;
      line-height: 1;
      margin-bottom: 7px;
    }

    .metric span {
      display: block;
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
    }

    .hero-card {
      align-self: center;
      position: relative;
      border-radius: 28px;
      background: rgba(255, 255, 255, .96);
      color: var(--text);
      padding: 24px;
      box-shadow: 0 28px 70px rgba(0, 33, 99, .28);
      border: 1px solid rgba(255, 255, 255, .55);
    }

    .master-card-top {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .master-card-top h2 {
      font-size: 22px;
      line-height: 1.32;
      letter-spacing: -.3px;
    }

    .price-chip {
      flex: 0 0 auto;
      border-radius: 18px;
      padding: 10px 12px;
      background: var(--accent-soft);
      color: #c2410c;
      font-weight: 900;
      text-align: center;
    }

    .price-chip small {
      display: block;
      color: #ea580c;
      font-size: 12px;
    }

    .preview-box {
      border-radius: 22px;
      padding: 18px;
      background:
        linear-gradient(135deg, #eff6ff, #ffffff);
      border: 1px solid var(--border);
      margin-bottom: 18px;
    }

    .preview-row {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr) auto;
      gap: 13px;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border);
    }

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

    .play-dot {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 10px 22px rgba(37, 99, 235, .18);
    }

    .preview-row b {
      display: block;
      font-size: 15px;
      margin-bottom: 2px;
    }

    .preview-row p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .progress-wrap {
      margin: 18px 0 16px;
    }

    .progress-line {
      height: 10px;
      border-radius: 999px;
      overflow: hidden;
      background: #eaf1fb;
    }

    .progress-line span {
      display: block;
      width: 82%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #fb923c, #ef4444);
    }

    .stock-note {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      margin-top: 8px;
    }

    .hero-card-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 18px;
    }

    .countdown-bar {
      margin-top: -24px;
      position: relative;
      z-index: 5;
    }

    .countdown-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 18px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      padding: 18px 22px;
    }

    .countdown-copy {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .countdown-icon {
      width: 50px;
      height: 50px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--accent-soft);
      color: #ea580c;
      font-size: 22px;
      flex: 0 0 auto;
    }

    .countdown-copy h2 {
      font-size: 18px;
      line-height: 1.28;
      margin-bottom: 3px;
    }

    .countdown-copy p {
      color: var(--muted);
      font-size: 14px;
    }

    .timer {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .time-box {
      min-width: 58px;
      padding: 9px 10px;
      border-radius: 14px;
      text-align: center;
      color: #fff;
      background: #0f172a;
      box-shadow: inset 0 -10px 20px rgba(255, 255, 255, .05);
    }

    .time-box b {
      display: block;
      font-size: 20px;
      line-height: 1;
    }

    .time-box span {
      font-size: 11px;
      color: rgba(255, 255, 255, .64);
    }

    .coupon-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .coupon-card {
      position: relative;
      overflow: hidden;
      min-height: 238px;
      display: flex;
      flex-direction: column;
      border-radius: 26px;
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

    .coupon-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(37, 99, 235, .28);
    }

    .coupon-card::before,
    .coupon-card::after {
      content: "";
      position: absolute;
      top: 92px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--bg);
      border: 1px solid var(--border);
      z-index: 2;
    }

    .coupon-card::before {
      left: -12px;
    }

    .coupon-card::after {
      right: -12px;
    }

    .coupon-head {
      padding: 20px 20px 16px;
      background:
        radial-gradient(circle at 85% 0%, rgba(255, 255, 255, .55), transparent 36%),
        linear-gradient(135deg, #2563eb, #0ea5e9);
      color: #fff;
    }

    .coupon-head.orange {
      background: linear-gradient(135deg, #f97316, #fb923c);
    }

    .coupon-head.green {
      background: linear-gradient(135deg, #059669, #10b981);
    }

    .coupon-head.dark {
      background: linear-gradient(135deg, #0f172a, #334155);
    }

    .coupon-value {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin: 10px 0 4px;
    }

    .coupon-value strong {
      font-size: 40px;
      line-height: 1;
      letter-spacing: -1px;
    }

    .coupon-value span {
      font-size: 14px;
      opacity: .82;
    }

    .coupon-body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: 18px 20px 20px;
    }

    .coupon-body h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .coupon-body p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .coupon-body .btn {
      margin-top: auto;
      width: 100%;
    }

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

    .rules-card,
    .panel-card {
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 26px;
    }

    .rules-card {
      position: sticky;
      top: 100px;
      background:
        linear-gradient(180deg, #ffffff, #f7fbff);
    }

    .rules-card h2 {
      font-size: 30px;
      line-height: 1.22;
      margin-bottom: 12px;
    }

    .rules-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .rule-list {
      display: grid;
      gap: 14px;
    }

    .rule-item {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 12px;
      padding: 16px;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: #fff;
      transition: var(--ease);
    }

    .rule-item:hover {
      border-color: rgba(37, 99, 235, .35);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .rule-num {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 900;
    }

    .rule-item h3 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .rule-item p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.62;
    }

    .solution-stack {
      display: grid;
      gap: 16px;
    }

    .solution-card {
      display: grid;
      grid-template-columns: 56px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .solution-icon {
      width: 56px;
      height: 56px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      font-size: 24px;
      background: var(--surface-2);
    }

    .solution-card h3 {
      font-size: 18px;
      margin-bottom: 3px;
    }

    .solution-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 350px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 96px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid var(--border);
      transition: var(--ease);
    }

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

    .news-item:hover {
      background: #f8fbff;
    }

    .news-date {
      border-radius: 18px;
      padding: 10px;
      background: var(--surface-2);
      color: var(--primary-dark);
      text-align: center;
      font-weight: 900;
      line-height: 1.25;
    }

    .news-date span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .news-item h3 {
      font-size: 17px;
      margin-bottom: 5px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

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

    .news-arrow {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      transition: var(--ease);
    }

    .news-item:hover .news-arrow {
      transform: translateX(4px);
      background: var(--primary);
      color: #fff;
    }

    .recommend-panel {
      border-radius: 28px;
      background: #0f172a;
      color: #fff;
      padding: 24px;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .recommend-panel::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -120px;
      top: -90px;
      background: rgba(37, 99, 235, .35);
      border-radius: 50%;
    }

    .recommend-panel h3 {
      position: relative;
      z-index: 1;
      font-size: 22px;
      margin-bottom: 12px;
    }

    .recommend-panel p {
      position: relative;
      z-index: 1;
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
      margin-bottom: 20px;
    }

    .mini-list {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
    }

    .mini-list a {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
      color: rgba(255, 255, 255, .88);
      font-weight: 700;
    }

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

    .rank-table {
      border-radius: 28px;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .rank-row {
      display: grid;
      grid-template-columns: 64px minmax(0, 1.2fr) .6fr .6fr .7fr;
      gap: 14px;
      align-items: center;
      padding: 18px 22px;
      border-bottom: 1px solid var(--border);
    }

    .rank-row.header {
      background: #f4f8ff;
      color: var(--muted);
      font-size: 13px;
      font-weight: 900;
    }

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

    .rank-no {
      width: 34px;
      height: 34px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 900;
    }

    .rank-row:nth-child(2) .rank-no,
    .rank-row:nth-child(3) .rank-no {
      background: var(--accent-soft);
      color: #c2410c;
    }

    .rank-name b {
      display: block;
      font-size: 16px;
      margin-bottom: 2px;
    }

    .rank-name span {
      display: block;
      color: var(--muted);
      font-size: 13px;
    }

    .trend-up {
      color: var(--success);
      font-weight: 900;
    }

    .plan-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
      align-items: stretch;
    }

    .plan-card {
      position: relative;
      display: flex;
      flex-direction: column;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 26px;
      transition: var(--ease);
    }

    .plan-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }

    .plan-card.recommended {
      border: 2px solid rgba(37, 99, 235, .58);
      box-shadow: 0 22px 54px rgba(37, 99, 235, .16);
    }

    .recommend-tag {
      position: absolute;
      top: 18px;
      right: 18px;
      border-radius: 999px;
      padding: 6px 10px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-size: 12px;
      font-weight: 900;
    }

    .plan-card h3 {
      font-size: 22px;
      margin-bottom: 8px;
    }

    .plan-card p {
      color: var(--muted);
      font-size: 14px;
      min-height: 48px;
    }

    .plan-price {
      margin: 20px 0;
      display: flex;
      align-items: baseline;
      gap: 6px;
      color: var(--text);
    }

    .plan-price strong {
      font-size: 42px;
      line-height: 1;
      letter-spacing: -1px;
    }

    .plan-features {
      display: grid;
      gap: 10px;
      margin-bottom: 22px;
      color: var(--muted);
      font-size: 14px;
    }

    .plan-features li {
      list-style: none;
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .plan-features li::before {
      content: "✓";
      color: var(--success);
      font-weight: 900;
    }

    .plan-card .btn {
      width: 100%;
      margin-top: auto;
    }

    .guarantee-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .guarantee-item {
      border-radius: 24px;
      padding: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

    .guarantee-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .guarantee-item i {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--surface-2);
      font-style: normal;
      font-size: 22px;
      margin-bottom: 14px;
    }

    .guarantee-item h3 {
      font-size: 17px;
      margin-bottom: 6px;
    }

    .guarantee-item p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.62;
    }

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

    .quote-feature {
      border-radius: 30px;
      padding: 30px;
      color: #fff;
      background:
        radial-gradient(circle at 90% 10%, rgba(255, 255, 255, .20), transparent 32%),
        linear-gradient(135deg, #1d4ed8, #0f172a);
      box-shadow: var(--shadow-md);
    }

    .quote-feature strong {
      display: block;
      font-size: 42px;
      line-height: 1;
      margin-bottom: 12px;
    }

    .quote-feature p {
      color: rgba(255, 255, 255, .78);
      margin-bottom: 24px;
    }

    .quote-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: rgba(255, 255, 255, .18);
      border: 1px solid rgba(255, 255, 255, .25);
    }

    .quote-cards {
      display: grid;
      gap: 16px;
    }

    .quote-card {
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 22px;
    }

    .quote-card p {
      color: var(--muted);
      margin-bottom: 14px;
    }

    .quote-card b {
      display: block;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 26px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px;
      color: var(--text);
      font-weight: 900;
      text-align: left;
    }

    .faq-question:hover {
      background: #f8fbff;
      color: var(--primary-dark);
    }

    .faq-question .plus {
      width: 28px;
      height: 28px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      flex: 0 0 auto;
      transition: var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .faq-item.open .plus {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }

    .cta {
      padding: 76px 0 82px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      padding: clamp(30px, 5vw, 56px);
      color: #fff;
      background:
        radial-gradient(circle at 85% 25%, rgba(255, 255, 255, .18), transparent 30%),
        linear-gradient(135deg, #0f172a, #1d4ed8 62%, #0ea5e9);
      box-shadow: var(--shadow-lg);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      width: 340px;
      height: 340px;
      right: -180px;
      bottom: -180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .12);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.16;
      letter-spacing: -1px;
      margin-bottom: 14px;
    }

    .cta p {
      color: rgba(255, 255, 255, .78);
      max-width: 720px;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      background: #0b1220;
      color: rgba(255, 255, 255, .78);
      padding: 54px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .8fr .8fr;
      gap: 28px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

    .footer-desc {
      max-width: 520px;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

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

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
      padding-top: 24px;
      color: rgba(255, 255, 255, .52);
      font-size: 13px;
    }

    .footer-badges {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .footer-badges span {
      border-radius: 999px;
      padding: 6px 10px;
      background: rgba(255, 255, 255, .08);
      color: rgba(255, 255, 255, .72);
    }

    @media (max-width: 1080px) {
      .brand-text {
        max-width: 250px;
      }

      .search-box {
        width: 210px;
      }

      .hero-inner,
      .rules-layout,
      .news-layout,
      .faq-wrap,
      .testimonial-grid {
        grid-template-columns: 1fr;
      }

      .rules-card {
        position: static;
      }

      .coupon-grid,
      .guarantee-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .recommend-panel {
        max-width: none;
      }
    }

    @media (max-width: 820px) {
      :root {
        --nav-height: 68px;
      }

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

      .nav {
        gap: 12px;
      }

      .brand-text {
        max-width: 210px;
        font-size: 16px;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
        margin-left: auto;
      }

      .nav-links,
      .nav-actions {
        display: none;
      }

      .site-header.menu-open .nav-links,
      .site-header.menu-open .nav-actions {
        display: flex;
      }

      .site-header.menu-open .nav {
        flex-wrap: wrap;
        padding: 12px 0 16px;
      }

      .site-header.menu-open .nav-links {
        order: 3;
        width: 100%;
      }

      .site-header.menu-open .nav-actions {
        order: 4;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
      }

      .site-header.menu-open .search-box,
      .site-header.menu-open .nav-actions .btn {
        width: 100%;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-inner {
        padding: 28px;
        gap: 24px;
      }

      .hero-metrics {
        grid-template-columns: 1fr;
      }

      .hero-card-actions,
      .plan-grid {
        grid-template-columns: 1fr;
      }

      .countdown-panel,
      .section-head,
      .cta-content {
        grid-template-columns: 1fr;
      }

      .timer,
      .cta-actions {
        justify-content: flex-start;
      }

      .news-item {
        grid-template-columns: 74px minmax(0, 1fr);
      }

      .news-arrow {
        display: none;
      }

      .rank-row {
        grid-template-columns: 48px minmax(0, 1fr) .65fr;
      }

      .rank-row.header span:nth-child(4),
      .rank-row.header span:nth-child(5),
      .rank-row > span:nth-child(4),
      .rank-row > span:nth-child(5) {
        display: none;
      }

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

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 560px) {
      .section {
        padding: 54px 0;
      }

      .hero-stage,
      .cta-panel {
        border-radius: 24px;
      }

      .hero-inner {
        padding: 24px 20px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }

      .coupon-grid,
      .guarantee-strip {
        grid-template-columns: 1fr;
      }

      .countdown-copy {
        align-items: flex-start;
      }

      .timer {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .time-box {
        min-width: 0;
      }

      .solution-card {
        grid-template-columns: 48px minmax(0, 1fr);
      }

      .solution-card .badge {
        grid-column: 1 / -1;
        width: fit-content;
      }

      .news-item {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .news-date {
        width: fit-content;
      }

      .news-item h3 {
        white-space: normal;
      }

      .rank-row {
        grid-template-columns: 44px minmax(0, 1fr);
      }

      .rank-row.header span:nth-child(3),
      .rank-row > span:nth-child(3) {
        display: none;
      }

      .brand-text {
        max-width: 170px;
      }
    }