/* roulang page: index */
:root {
      --color-primary: #1d4ed8;
      --color-primary-dark: #153ea8;
      --color-primary-soft: #e8f0ff;
      --color-secondary: #0f766e;
      --color-accent: #f59e0b;
      --color-accent-soft: #fff7e6;
      --color-bg: #f7faff;
      --color-surface: #ffffff;
      --color-surface-2: #f1f6ff;
      --color-text: #102033;
      --color-muted: #637083;
      --color-light: #8b98aa;
      --color-border: rgba(29, 78, 216, .13);
      --color-border-strong: rgba(29, 78, 216, .24);
      --shadow-sm: 0 10px 30px rgba(20, 50, 100, .08);
      --shadow-md: 0 18px 48px rgba(20, 50, 100, .13);
      --shadow-lg: 0 30px 70px rgba(20, 50, 100, .18);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1180px;
      --transition: all .25s ease;
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: var(--font-main);
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 0%, rgba(29, 78, 216, .12), transparent 26rem),
        radial-gradient(circle at 92% 10%, rgba(15, 118, 110, .10), transparent 25rem),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 44%, #f4f8ff 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: var(--color-primary);
      outline: none;
    }

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

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

    button {
      cursor: pointer;
      border: 0;
    }

    ::selection {
      background: rgba(29, 78, 216, .16);
      color: var(--color-primary-dark);
    }

    .site-shell {
      min-height: 100vh;
      position: relative;
    }

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

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section.compact {
      padding: 64px 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;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .03em;
      margin-bottom: 12px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -.035em;
      color: var(--color-text);
    }

    .section-desc {
      margin: 12px 0 0;
      max-width: 690px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .site-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 50;
      pointer-events: none;
    }

    .nav-pill {
      width: min(var(--container), calc(100% - 34px));
      margin: 0 auto;
      pointer-events: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 12px 14px 12px 18px;
      border: 1px solid rgba(255, 255, 255, .78);
      background: rgba(255, 255, 255, .82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 16px 48px rgba(14, 40, 86, .12);
      border-radius: 999px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.03em;
      color: var(--color-text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      background:
        linear-gradient(135deg, var(--color-primary), #60a5fa 58%, var(--color-secondary));
      box-shadow: 0 12px 28px rgba(29, 78, 216, .25);
    }

    .brand-text {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 17px;
    }

    .nav-center {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 4px;
      border-radius: 999px;
      background: rgba(241, 246, 255, .78);
      border: 1px solid rgba(29, 78, 216, .08);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 18px;
      border-radius: 999px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-link:hover {
      background: rgba(29, 78, 216, .08);
      color: var(--color-primary-dark);
    }

    .nav-link.active {
      color: #fff;
      background: var(--color-primary);
      box-shadow: 0 10px 22px rgba(29, 78, 216, .24);
    }

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

    .mini-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 210px;
      padding: 9px 12px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(29, 78, 216, .12);
      color: var(--color-light);
    }

    .mini-search input {
      min-width: 0;
      width: 100%;
      border: 0;
      background: transparent;
      box-shadow: none;
      height: auto;
      margin: 0;
      padding: 0;
      color: var(--color-text);
      font-size: 13px;
    }

    .mini-search input:focus {
      outline: none;
      box-shadow: none;
    }

    .age-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 10px 13px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: #fff;
      border: 1px solid rgba(29, 78, 216, .14);
      font-weight: 800;
      font-size: 13px;
      white-space: nowrap;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      align-items: center;
      justify-content: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 850;
      letter-spacing: -.01em;
      border: 1px solid transparent;
      box-shadow: none;
      transition: var(--transition);
      line-height: 1;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), #2563eb);
      box-shadow: 0 16px 34px rgba(29, 78, 216, .26);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 22px 44px rgba(29, 78, 216, .32);
    }

    .btn-secondary {
      color: var(--color-primary-dark);
      background: #fff;
      border-color: rgba(29, 78, 216, .18);
      box-shadow: 0 10px 24px rgba(20, 50, 100, .08);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--color-primary-dark);
      transform: translateY(-2px);
      border-color: rgba(29, 78, 216, .34);
      box-shadow: 0 16px 34px rgba(20, 50, 100, .12);
    }

    .btn-ghost {
      color: var(--color-muted);
      background: rgba(255,255,255,.66);
      border-color: rgba(29, 78, 216, .12);
    }

    .btn-ghost:hover {
      color: var(--color-primary-dark);
      background: #fff;
      border-color: rgba(29, 78, 216, .26);
    }

    .hero {
      padding: 138px 0 74px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(232,240,255,.88)),
        radial-gradient(circle at 22% 18%, rgba(29, 78, 216, .18), transparent 20rem);
      border: 1px solid rgba(29, 78, 216, .14);
      box-shadow: var(--shadow-lg);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(29,78,216,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29,78,216,.055) 1px, transparent 1px);
      background-size: 26px 26px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.92), transparent 78%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-topline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 26px;
      flex-wrap: wrap;
    }

    .live-pill {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 9px 13px;
      border-radius: 999px;
      color: var(--color-secondary);
      background: rgba(15, 118, 110, .09);
      font-weight: 800;
      font-size: 14px;
      border: 1px solid rgba(15, 118, 110, .14);
    }

    .live-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--color-secondary);
      box-shadow: 0 0 0 6px rgba(15, 118, 110, .12);
    }

    .hero-title {
      max-width: 890px;
      margin: 0;
      font-size: clamp(38px, 7vw, 78px);
      line-height: .98;
      letter-spacing: -.07em;
      color: #0b1d34;
    }

    .hero-title span {
      color: var(--color-primary);
    }

    .hero-desc {
      max-width: 790px;
      margin: 24px 0 0;
      color: var(--color-muted);
      font-size: clamp(16px, 2vw, 19px);
    }

    .coupon-wall {
      margin-top: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
      gap: 22px;
      align-items: stretch;
    }

    .main-coupon {
      position: relative;
      overflow: hidden;
      min-height: 280px;
      border-radius: 30px;
      background:
        radial-gradient(circle at 24% 18%, rgba(255,255,255,.36), transparent 13rem),
        linear-gradient(135deg, #1d4ed8 0%, #2563eb 48%, #0f766e 100%);
      color: #fff;
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 24px 54px rgba(29, 78, 216, .32);
    }

    .main-coupon::before,
    .main-coupon::after {
      content: "";
      position: absolute;
      top: 50%;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #f8fbff;
      transform: translateY(-50%);
    }

    .main-coupon::before {
      left: -23px;
    }

    .main-coupon::after {
      right: -23px;
    }

    .coupon-code {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      align-self: flex-start;
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.22);
      font-size: 13px;
      font-weight: 800;
      backdrop-filter: blur(12px);
    }

    .coupon-value {
      margin: 18px 0 8px;
      font-size: clamp(42px, 8vw, 86px);
      line-height: .9;
      font-weight: 950;
      letter-spacing: -.08em;
    }

    .coupon-value small {
      font-size: .28em;
      letter-spacing: 0;
      margin-left: 8px;
    }

    .coupon-text {
      max-width: 550px;
      margin: 0;
      color: rgba(255,255,255,.86);
      font-size: 16px;
    }

    .coupon-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 13px;
      margin-top: 26px;
    }

    .main-coupon .btn-secondary {
      color: var(--color-primary-dark);
      background: #fff;
      border: 0;
    }

    .coupon-note {
      color: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 700;
    }

    .coupon-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .coupon-mini {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(29, 78, 216, .14);
      padding: 20px;
      min-height: 132px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .coupon-mini:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(29, 78, 216, .24);
    }

    .coupon-mini::after {
      content: "";
      position: absolute;
      right: -18px;
      bottom: -18px;
      width: 74px;
      height: 74px;
      border-radius: 50%;
      background: rgba(29, 78, 216, .08);
    }

    .coupon-mini strong {
      display: block;
      font-size: 25px;
      letter-spacing: -.04em;
      color: var(--color-primary-dark);
      line-height: 1.1;
    }

    .coupon-mini span {
      display: block;
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .hero-metrics {
      margin-top: 24px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .metric-chip {
      padding: 16px 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(29,78,216,.12);
      box-shadow: 0 10px 22px rgba(20,50,100,.06);
    }

    .metric-chip b {
      display: block;
      font-size: 23px;
      line-height: 1.1;
      color: var(--color-primary-dark);
    }

    .metric-chip span {
      display: block;
      margin-top: 4px;
      color: var(--color-muted);
      font-size: 13px;
    }

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

    .case-feature {
      border-radius: var(--radius-lg);
      background: #0f2544;
      color: #fff;
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: sticky;
      top: 112px;
      overflow: hidden;
    }

    .case-feature::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -80px;
      bottom: -90px;
      border-radius: 50%;
      background: rgba(96, 165, 250, .18);
    }

    .case-feature h3 {
      position: relative;
      z-index: 1;
      margin: 0;
      font-size: 28px;
      line-height: 1.2;
      letter-spacing: -.03em;
    }

    .case-feature p {
      position: relative;
      z-index: 1;
      margin: 14px 0 0;
      color: rgba(255,255,255,.72);
    }

    .case-feature .badge-row {
      position: relative;
      z-index: 1;
      margin-top: 24px;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      background: rgba(29, 78, 216, .08);
      color: var(--color-primary-dark);
      border: 1px solid rgba(29, 78, 216, .12);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge.light {
      color: #dceaff;
      border-color: rgba(255,255,255,.18);
      background: rgba(255,255,255,.10);
    }

    .case-list {
      display: grid;
      gap: 16px;
    }

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

    .case-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-border-strong);
    }

    .case-icon {
      width: 56px;
      height: 56px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      font-size: 22px;
    }

    .case-card h3 {
      margin: 0 0 5px;
      font-size: 19px;
      letter-spacing: -.02em;
    }

    .case-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .case-score {
      min-width: 96px;
      text-align: right;
      color: var(--color-secondary);
      font-weight: 900;
    }

    .data-band {
      padding: 34px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #ffffff, #eef5ff);
      border: 1px solid rgba(29, 78, 216, .14);
      box-shadow: var(--shadow-md);
    }

    .data-grid {
      display: grid;
      grid-template-columns: 1.1fr repeat(3, .75fr);
      gap: 18px;
      align-items: stretch;
    }

    .data-story {
      padding: 24px;
      border-radius: 24px;
      background: #0f2544;
      color: #fff;
      min-height: 230px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .data-story p {
      margin: 0;
      color: rgba(255,255,255,.72);
    }

    .data-story strong {
      display: block;
      margin-top: 16px;
      font-size: 32px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .data-card {
      padding: 24px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid rgba(29, 78, 216, .12);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .data-card .num {
      display: block;
      font-size: 42px;
      font-weight: 950;
      line-height: 1;
      letter-spacing: -.06em;
      color: var(--color-primary);
    }

    .data-card .label {
      display: block;
      margin-top: 12px;
      color: var(--color-text);
      font-weight: 850;
    }

    .data-card p {
      margin: 8px 0 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: stretch;
    }

    .compare-panel {
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .compare-panel.after {
      background:
        linear-gradient(180deg, #ffffff, #eef5ff);
      border-color: rgba(29,78,216,.18);
      box-shadow: var(--shadow-md);
    }

    .compare-panel h3 {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 18px;
      font-size: 24px;
      letter-spacing: -.03em;
    }

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

    .compare-list li {
      display: flex;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: rgba(247,250,255,.8);
      color: var(--color-muted);
      border: 1px solid rgba(29,78,216,.08);
      font-size: 15px;
    }

    .compare-list i {
      margin-top: 4px;
      color: var(--color-light);
    }

    .after .compare-list li {
      color: var(--color-text);
      background: #fff;
      border-color: rgba(29,78,216,.14);
    }

    .after .compare-list i {
      color: var(--color-secondary);
    }

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

    .reward-card {
      border-radius: var(--radius-lg);
      padding: 30px;
      background:
        linear-gradient(135deg, #1d4ed8, #60a5fa);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .reward-card::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -100px;
      top: -110px;
      border-radius: 50%;
      background: rgba(255,255,255,.14);
    }

    .reward-card h3 {
      position: relative;
      z-index: 1;
      margin: 0;
      font-size: 28px;
      letter-spacing: -.03em;
    }

    .reward-card p {
      position: relative;
      z-index: 1;
      margin: 12px 0 0;
      color: rgba(255,255,255,.78);
    }

    .progress-line {
      position: relative;
      z-index: 1;
      margin-top: 26px;
      height: 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.22);
      overflow: hidden;
    }

    .progress-fill {
      width: 72%;
      height: 100%;
      border-radius: 999px;
      background: #fff;
      box-shadow: 0 0 18px rgba(255,255,255,.55);
    }

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

    .task-item {
      display: grid;
      grid-template-columns: 42px minmax(0,1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .task-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-weight: 950;
    }

    .task-item h3 {
      margin: 0;
      font-size: 18px;
    }

    .task-item p {
      margin: 3px 0 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .task-status {
      color: var(--color-secondary);
      font-weight: 900;
      white-space: nowrap;
      font-size: 13px;
    }

    .calendar-layout {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 24px;
    }

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

    .calendar-item {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr);
      gap: 18px;
      padding: 20px 22px;
      border-bottom: 1px solid rgba(29,78,216,.09);
    }

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

    .date-box {
      width: 74px;
      height: 74px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-weight: 950;
      line-height: 1.1;
      text-align: center;
    }

    .date-box small {
      display: block;
      font-size: 12px;
      font-weight: 800;
      color: var(--color-muted);
    }

    .calendar-item h3 {
      margin: 0 0 6px;
      font-size: 18px;
    }

    .calendar-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .rules-card h3 {
      margin: 0 0 16px;
      font-size: 23px;
    }

    .rules-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }

    .rules-list li {
      display: flex;
      gap: 12px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .rules-list i {
      margin-top: 5px;
      color: var(--color-secondary);
    }

    .insight-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 18px;
    }

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

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

    .quote-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      margin-bottom: 16px;
    }

    .quote-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      letter-spacing: -.02em;
    }

    .quote-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
      gap: 24px;
      align-items: start;
    }

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

    .news-link {
      display: grid;
      grid-template-columns: 96px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px 20px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .news-link:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-border-strong);
      color: inherit;
    }

    .news-date {
      color: var(--color-primary-dark);
      font-weight: 900;
      font-size: 14px;
    }

    .news-link h3 {
      margin: 0 0 4px;
      font-size: 18px;
      letter-spacing: -.02em;
    }

    .news-link p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .news-link i {
      color: var(--color-light);
    }

    .recommend-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, #0f2544, #143460);
      color: #fff;
      box-shadow: var(--shadow-lg);
      position: sticky;
      top: 112px;
    }

    .recommend-card h3 {
      margin: 0;
      font-size: 24px;
      letter-spacing: -.03em;
    }

    .recommend-card p {
      margin: 12px 0 22px;
      color: rgba(255,255,255,.72);
    }

    .recommend-list {
      display: grid;
      gap: 12px;
      margin-bottom: 24px;
    }

    .recommend-item {
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.86);
      font-size: 14px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 24px;
      align-items: start;
    }

    .faq-aside {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--color-primary-soft);
      border: 1px solid rgba(29,78,216,.13);
    }

    .faq-aside h3 {
      margin: 0;
      font-size: 24px;
    }

    .faq-aside p {
      margin: 12px 0 0;
      color: var(--color-muted);
    }

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

    .accordion-item {
      margin-bottom: 14px;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .accordion-title {
      border: 0 !important;
      color: var(--color-text);
      font-weight: 900;
      font-size: 17px;
      padding: 20px 56px 20px 22px;
      background: #fff;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: var(--color-surface-2);
      color: var(--color-primary-dark);
    }

    .accordion-title::before {
      right: 22px;
      font-size: 22px;
      margin-top: -13px;
      color: var(--color-primary);
    }

    .accordion-content {
      border: 0 !important;
      color: var(--color-muted);
      padding: 0 22px 22px;
      background: #fff;
      font-size: 15px;
    }

    .contact-cta {
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(15,37,68,.98), rgba(29,78,216,.92)),
        radial-gradient(circle at 78% 12%, rgba(255,255,255,.22), transparent 18rem);
      color: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.16);
    }

    .contact-inner {
      display: grid;
      grid-template-columns: 1fr .82fr;
      gap: 34px;
      padding: clamp(28px, 5vw, 52px);
      align-items: center;
    }

    .contact-copy h2 {
      margin: 0;
      font-size: clamp(30px, 5vw, 52px);
      line-height: 1.12;
      letter-spacing: -.05em;
    }

    .contact-copy p {
      margin: 18px 0 0;
      color: rgba(255,255,255,.75);
      max-width: 700px;
    }

    .price-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
      margin-top: 26px;
    }

    .price-card {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.16);
    }

    .price-card b {
      display: block;
      font-size: 24px;
      line-height: 1.1;
    }

    .price-card span {
      display: block;
      color: rgba(255,255,255,.68);
      font-size: 13px;
      margin-top: 4px;
    }

    .contact-form {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,.96);
      color: var(--color-text);
      box-shadow: 0 18px 44px rgba(0,0,0,.16);
    }

    .contact-form label {
      font-weight: 850;
      color: var(--color-text);
      margin-bottom: 7px;
      font-size: 14px;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea {
      height: auto;
      min-height: 46px;
      margin-bottom: 14px;
      border-radius: 16px;
      border: 1px solid rgba(29,78,216,.16);
      background: #f8fbff;
      box-shadow: none;
      padding: 11px 13px;
      color: var(--color-text);
    }

    .contact-form textarea {
      min-height: 94px;
      resize: vertical;
    }

    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus {
      border-color: rgba(29,78,216,.48);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(29,78,216,.10);
    }

    .form-hint {
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .site-footer {
      padding: 44px 0 34px;
      background: #0b1728;
      color: rgba(255,255,255,.78);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      font-size: 18px;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
      flex-basis: 40px;
    }

    .footer-desc {
      max-width: 760px;
      margin: 0;
      color: rgba(255,255,255,.66);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.10);
      color: rgba(255,255,255,.78);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(96,165,250,.18);
      border-color: rgba(96,165,250,.28);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 20px;
      color: rgba(255,255,255,.52);
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      display: none;
      align-items: center;
      gap: 10px;
      width: min(460px, calc(100% - 28px));
      padding: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(29,78,216,.14);
      box-shadow: 0 16px 40px rgba(20,50,100,.18);
      backdrop-filter: blur(14px);
    }

    .floating-cta span {
      flex: 1;
      font-size: 13px;
      color: var(--color-muted);
      padding-left: 8px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .floating-cta .btn {
      min-height: 40px;
      padding: 0 16px;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --container: 920px;
      }

      .mini-search {
        display: none;
      }

      .coupon-wall,
      .case-layout,
      .progress-board,
      .calendar-layout,
      .news-layout,
      .faq-wrap,
      .contact-inner {
        grid-template-columns: 1fr;
      }

      .case-feature,
      .recommend-card {
        position: relative;
        top: auto;
      }

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

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

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

      .section {
        padding: 64px 0;
      }

      .section-head {
        display: block;
        margin-bottom: 26px;
      }

      .site-header {
        top: 12px;
      }

      .nav-pill {
        border-radius: 28px;
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 10px;
      }

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

      .nav-toggle {
        display: inline-flex;
      }

      .nav-center,
      .nav-actions {
        display: none;
        width: 100%;
      }

      .nav-pill.open .nav-center,
      .nav-pill.open .nav-actions {
        display: flex;
      }

      .nav-pill.open .nav-center {
        order: 3;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 6px;
      }

      .nav-pill.open .nav-actions {
        order: 4;
        justify-content: space-between;
      }

      .age-badge {
        flex: 1;
        justify-content: center;
      }

      .hero {
        padding-top: 118px;
      }

      .hero-inner {
        padding: 26px;
      }

      .coupon-grid,
      .hero-metrics,
      .compare-wrap,
      .price-strip {
        grid-template-columns: 1fr;
      }

      .case-card,
      .task-item,
      .news-link {
        grid-template-columns: 1fr;
        text-align: left;
      }

      .case-score {
        text-align: left;
      }

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

      .data-grid,
      .insight-grid {
        grid-template-columns: 1fr;
      }

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

      .footer-links {
        justify-content: flex-start;
      }

      .floating-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      body {
        line-height: 1.68;
      }

      .brand-text {
        max-width: 172px;
        font-size: 15px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-radius: 13px;
      }

      .hero-title {
        letter-spacing: -.055em;
      }

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

      .main-coupon {
        padding: 24px;
        border-radius: 24px;
      }

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

      .btn {
        width: 100%;
      }

      .section-title {
        font-size: 29px;
      }

      .data-band {
        padding: 20px;
      }

      .compare-panel,
      .reward-card,
      .rules-card,
      .contact-form {
        padding: 22px;
      }

      .footer-bottom {
        display: block;
      }

      .footer-bottom span {
        display: block;
        margin-top: 8px;
      }
    }