/* roulang page: index */
:root {
      --color-primary: #2563eb;
      --color-primary-dark: #1d4ed8;
      --color-primary-soft: #dbeafe;
      --color-secondary: #0f766e;
      --color-accent: #f59e0b;
      --color-bg: #f6f9ff;
      --color-surface: #ffffff;
      --color-surface-soft: #f8fbff;
      --color-text: #0f172a;
      --color-muted: #64748b;
      --color-light: #94a3b8;
      --color-border: #dbe5f4;
      --color-border-strong: #bfd0ea;
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, .08);
      --shadow-md: 0 18px 48px rgba(37, 99, 235, .14);
      --shadow-lg: 0 26px 70px rgba(15, 23, 42, .16);
      --container: 1180px;
      --section-y: 84px;
      --transition: all .24s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(37, 99, 235, .10), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(14, 165, 233, .12), transparent 30%),
        linear-gradient(180deg, #f9fbff 0%, var(--color-bg) 48%, #ffffff 100%);
      line-height: 1.75;
      text-rendering: geometricPrecision;
    }

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

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

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

    button,
    input {
      font-family: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(37, 99, 235, .28);
      outline-offset: 3px;
      border-radius: 10px;
    }

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

    .top-info {
      background: #0f172a;
      color: rgba(255, 255, 255, .82);
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .top-info__inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .top-info__left,
    .top-info__right {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .top-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #dbeafe;
      white-space: nowrap;
    }

    .top-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: #22c55e;
      box-shadow: 0 0 0 5px rgba(34, 197, 94, .16);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(219, 229, 244, .9);
      box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
    }

    .main-nav {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      color: var(--color-text);
    }

    .brand__mark {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 18px;
      font-weight: 900;
      background:
        linear-gradient(135deg, #2563eb 0%, #0ea5e9 55%, #14b8a6 100%);
      box-shadow: 0 16px 34px rgba(37, 99, 235, .26);
    }

    .brand__name {
      font-size: 20px;
      line-height: 1.2;
    }

    .brand__sub {
      display: block;
      margin-top: 2px;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-muted);
      letter-spacing: .04em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: #334155;
      font-weight: 700;
      font-size: 15px;
    }

    .nav-links a:hover {
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
    }

    .nav-links a.active {
      background: #eff6ff;
      color: var(--color-primary);
      box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .16);
    }

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

    .header-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 240px;
      min-height: 42px;
      padding: 0 12px;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      background: #fff;
      box-shadow: 0 6px 16px rgba(15, 23, 42, .04);
    }

    .header-search span {
      color: var(--color-light);
      font-size: 15px;
    }

    .header-search input {
      width: 100%;
      border: 0;
      outline: none;
      background: transparent;
      color: var(--color-text);
      font-size: 14px;
    }

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

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      display: block;
      position: relative;
      transition: var(--transition);
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-toggle span::before {
      top: -6px;
    }

    .menu-toggle span::after {
      top: 6px;
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--color-border);
      background: #fff;
      padding: 12px 0 18px;
    }

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

    .mobile-panel a {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 0 14px;
      border-radius: 14px;
      font-weight: 800;
      color: var(--color-primary);
      background: #eff6ff;
    }

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

    .section-tight {
      padding: 56px 0;
    }

    .section-header {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-header.centered {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: #eef6ff;
      border: 1px solid rgba(37, 99, 235, .14);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .04em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--color-primary);
    }

    h1,
    h2,
    h3,
    h4 {
      margin: 0;
      line-height: 1.15;
      color: var(--color-text);
      letter-spacing: -.04em;
    }

    h1 {
      font-size: clamp(36px, 5.6vw, 68px);
      max-width: 980px;
    }

    h2 {
      font-size: clamp(28px, 3.4vw, 44px);
    }

    h3 {
      font-size: 21px;
    }

    p {
      margin: 0;
      color: var(--color-muted);
    }

    .section-desc {
      margin-top: 16px;
      font-size: 17px;
      max-width: 780px;
    }

    .hero {
      padding: 78px 0 58px;
      overflow: hidden;
    }

    .hero-shell {
      border: 1px solid rgba(191, 208, 234, .8);
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,246,255,.88)),
        radial-gradient(circle at top right, rgba(37, 99, 235, .16), transparent 40%);
      box-shadow: var(--shadow-lg);
      padding: clamp(26px, 4vw, 54px);
      position: relative;
      overflow: hidden;
    }

    .hero-shell::after {
      content: "";
      position: absolute;
      inset: auto -80px -120px auto;
      width: 360px;
      height: 360px;
      border-radius: 999px;
      background: rgba(37, 99, 235, .08);
      pointer-events: none;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 34px;
      align-items: start;
    }

    .hero-intro {
      font-size: 18px;
      margin-top: 20px;
      max-width: 720px;
      color: #475569;
    }

    .pain-line {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      margin-bottom: 18px;
      border-radius: 999px;
      background: #fff;
      color: #1e40af;
      font-weight: 900;
      border: 1px solid rgba(37, 99, 235, .16);
      box-shadow: var(--shadow-sm);
    }

    .pain-line b {
      display: inline-grid;
      place-items: center;
      width: 22px;
      height: 22px;
      border-radius: 8px;
      background: var(--color-primary);
      color: #fff;
      font-size: 13px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-weight: 900;
      line-height: 1;
      transition: var(--transition);
      user-select: none;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-primary), #0ea5e9);
      color: #fff;
      box-shadow: 0 16px 30px rgba(37, 99, 235, .28);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 22px 42px rgba(37, 99, 235, .34);
    }

    .btn-secondary {
      background: #fff;
      color: var(--color-primary-dark);
      border-color: rgba(37, 99, 235, .20);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      color: var(--color-primary-dark);
      border-color: rgba(37, 99, 235, .36);
      box-shadow: var(--shadow-md);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .72);
      color: #334155;
      border-color: var(--color-border);
    }

    .btn-ghost:hover {
      background: #fff;
      color: var(--color-primary);
      transform: translateY(-1px);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 28px;
    }

    .point {
      padding: 16px;
      border: 1px solid rgba(219, 229, 244, .92);
      border-radius: 18px;
      background: rgba(255, 255, 255, .76);
    }

    .point strong {
      display: block;
      font-size: 22px;
      color: var(--color-primary-dark);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .point span {
      display: block;
      font-size: 13px;
      color: var(--color-muted);
      line-height: 1.45;
    }

    .demo-stage {
      position: relative;
      z-index: 1;
      border-radius: 28px;
      border: 1px solid rgba(191, 208, 234, .78);
      background: #ffffff;
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .demo-bar {
      min-height: 54px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 18px;
      background: linear-gradient(180deg, #f8fbff, #eef6ff);
      border-bottom: 1px solid var(--color-border);
    }

    .demo-dots {
      display: flex;
      gap: 7px;
    }

    .demo-dots i {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #cbd5e1;
    }

    .demo-dots i:nth-child(1) { background: #fb7185; }
    .demo-dots i:nth-child(2) { background: #fbbf24; }
    .demo-dots i:nth-child(3) { background: #34d399; }

    .demo-title {
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 800;
    }

    .demo-body {
      padding: 22px;
    }

    .search-demo {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px;
      border-radius: 18px;
      background: #f8fbff;
      border: 1px solid var(--color-border);
    }

    .search-demo input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      padding: 0 8px;
      color: var(--color-text);
      font-weight: 700;
    }

    .search-demo button {
      border: 0;
      min-height: 40px;
      padding: 0 15px;
      border-radius: 14px;
      background: var(--color-primary);
      color: #fff;
      font-weight: 900;
      transition: var(--transition);
    }

    .search-demo button:hover {
      background: var(--color-primary-dark);
      transform: translateY(-1px);
    }

    .demo-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 16px;
    }

    .demo-card {
      min-height: 112px;
      padding: 18px;
      border-radius: 20px;
      border: 1px solid var(--color-border);
      background: linear-gradient(180deg, #fff, #f8fbff);
      transition: var(--transition);
    }

    .demo-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
      border-color: rgba(37, 99, 235, .24);
    }

    .demo-card .badge {
      margin-bottom: 12px;
    }

    .demo-card strong {
      display: block;
      color: var(--color-text);
      font-size: 17px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .demo-card span {
      display: block;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border: 1px solid rgba(37, 99, 235, .13);
      line-height: 1;
    }

    .badge.green {
      color: #047857;
      background: #d1fae5;
      border-color: rgba(5, 150, 105, .16);
    }

    .badge.orange {
      color: #92400e;
      background: #fef3c7;
      border-color: rgba(245, 158, 11, .20);
    }

    .badge.gray {
      color: #475569;
      background: #f1f5f9;
      border-color: #e2e8f0;
    }

    .directory-wrap {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 24px;
      align-items: start;
    }

    .side-index {
      position: sticky;
      top: 112px;
      padding: 18px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .side-index h3 {
      font-size: 18px;
      margin-bottom: 12px;
    }

    .side-index a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 44px;
      padding: 0 12px;
      border-radius: 14px;
      color: #334155;
      font-weight: 800;
    }

    .side-index a:hover,
    .side-index a.active {
      background: #eff6ff;
      color: var(--color-primary);
    }

    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .catalog-card,
    .content-card,
    .metric-card,
    .share-card,
    .faq-card,
    .cta-card {
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 255, 255, .92);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .catalog-card {
      padding: 22px;
      min-height: 176px;
    }

    .catalog-card:hover,
    .content-card:hover,
    .metric-card:hover,
    .share-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(37, 99, 235, .24);
    }

    .card-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      margin-bottom: 16px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, #2563eb, #0ea5e9);
      box-shadow: 0 12px 24px rgba(37, 99, 235, .24);
    }

    .catalog-card h3,
    .content-card h3,
    .share-card h3 {
      margin-bottom: 10px;
    }

    .catalog-card p,
    .content-card p,
    .share-card p {
      font-size: 15px;
    }

    .entry-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 28px;
    }

    .entry-item {
      display: flex;
      min-height: 86px;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .05);
      transition: var(--transition);
    }

    .entry-item:hover {
      transform: translateY(-3px);
      color: var(--color-primary);
      border-color: rgba(37, 99, 235, .25);
      box-shadow: var(--shadow-sm);
    }

    .entry-icon {
      flex: 0 0 40px;
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: #eff6ff;
      color: var(--color-primary);
      font-weight: 900;
    }

    .entry-item strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
    }

    .entry-item span {
      display: block;
      margin-top: 3px;
      color: var(--color-muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .recommend-track {
      display: flex;
      gap: 18px;
      overflow-x: auto;
      padding: 8px 4px 18px;
      scroll-snap-type: x mandatory;
    }

    .recommend-track::-webkit-scrollbar {
      height: 8px;
    }

    .recommend-track::-webkit-scrollbar-thumb {
      background: #c7d8f4;
      border-radius: 999px;
    }

    .content-card {
      flex: 0 0 310px;
      scroll-snap-align: start;
      padding: 22px;
    }

    .poster-block {
      height: 138px;
      border-radius: 20px;
      margin-bottom: 18px;
      background:
        linear-gradient(135deg, rgba(37, 99, 235, .92), rgba(14, 165, 233, .72)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.18) 0 8px, transparent 8px 16px);
      position: relative;
      overflow: hidden;
    }

    .poster-block::after {
      content: "";
      position: absolute;
      right: -26px;
      bottom: -44px;
      width: 140px;
      height: 140px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .22);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .rank-layout {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 24px;
      align-items: stretch;
    }

    .rank-table {
      border: 1px solid var(--color-border);
      border-radius: 26px;
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .rank-row {
      display: grid;
      grid-template-columns: 56px 1fr 90px 90px;
      gap: 12px;
      align-items: center;
      min-height: 70px;
      padding: 0 20px;
      border-bottom: 1px solid #eef2f7;
    }

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

    .rank-row.header-row {
      min-height: 54px;
      background: #f8fbff;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 900;
    }

    .rank-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: #eff6ff;
      color: var(--color-primary);
      font-weight: 900;
    }

    .rank-title {
      font-weight: 900;
      color: var(--color-text);
      line-height: 1.4;
    }

    .rank-meta {
      color: var(--color-muted);
      font-size: 13px;
    }

    .trend-card {
      padding: 24px;
      border-radius: 26px;
      background: linear-gradient(135deg, #0f172a, #1e3a8a);
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .trend-card h3 {
      color: #fff;
      margin-bottom: 12px;
    }

    .trend-card p {
      color: rgba(255,255,255,.75);
      font-size: 15px;
      margin-bottom: 20px;
    }

    .trend-bars {
      display: grid;
      gap: 14px;
    }

    .bar-item strong {
      display: flex;
      justify-content: space-between;
      color: rgba(255,255,255,.9);
      font-size: 13px;
      margin-bottom: 8px;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      overflow: hidden;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #60a5fa, #22d3ee);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid #eef2f7;
    }

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

    .news-date {
      color: var(--color-primary);
      font-weight: 900;
      font-size: 14px;
      background: #eff6ff;
      border-radius: 14px;
      text-align: center;
      padding: 8px 10px;
    }

    .news-title {
      font-weight: 900;
      color: var(--color-text);
      line-height: 1.45;
    }

    .news-title:hover {
      color: var(--color-primary);
    }

    .news-summary {
      display: block;
      margin-top: 5px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .arrow-link {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: #f1f5f9;
      color: #64748b;
      font-weight: 900;
    }

    .news-item:hover .arrow-link {
      background: var(--color-primary);
      color: #fff;
      transform: translateX(3px);
    }

    .side-card {
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .side-card h3 {
      margin-bottom: 16px;
    }

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

    .mini-list a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px dashed #dbe5f4;
      color: #334155;
      font-weight: 800;
    }

    .mini-list li:last-child a {
      border-bottom: 0;
    }

    .mini-list a:hover {
      color: var(--color-primary);
      padding-left: 4px;
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .time-card {
      position: relative;
      padding: 24px;
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .time-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 24px;
      width: 48px;
      height: 5px;
      border-radius: 0 0 999px 999px;
      background: var(--color-primary);
    }

    .time-card strong {
      display: block;
      margin: 16px 0 10px;
      font-size: 20px;
      line-height: 1.25;
    }

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

    .metric-card {
      padding: 24px;
      text-align: left;
    }

    .metric-value {
      display: block;
      font-size: 34px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.04em;
      color: var(--color-primary);
      margin-bottom: 10px;
    }

    .metric-card span:last-child {
      display: block;
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .faq-note {
      padding: 26px;
      border-radius: 28px;
      background: linear-gradient(135deg, #eff6ff, #ffffff);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .faq-note h2 {
      margin-bottom: 14px;
    }

    .faq-note p {
      margin-bottom: 18px;
    }

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

    details.faq-card {
      padding: 0;
      overflow: hidden;
    }

    details summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    details summary::-webkit-details-marker {
      display: none;
    }

    details summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: #eff6ff;
      color: var(--color-primary);
      font-weight: 900;
      transition: var(--transition);
    }

    details[open] summary::after {
      content: "–";
      background: var(--color-primary);
      color: #fff;
    }

    details .faq-answer {
      padding: 0 22px 22px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .share-section {
      padding-bottom: 90px;
    }

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

    .share-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .share-card::after {
      content: "";
      position: absolute;
      right: -34px;
      top: -34px;
      width: 120px;
      height: 120px;
      border-radius: 999px;
      background: rgba(37, 99, 235, .08);
    }

    .share-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .cta-card {
      margin-top: 28px;
      padding: clamp(26px, 4vw, 42px);
      background:
        linear-gradient(135deg, rgba(37,99,235,.94), rgba(14,165,233,.90)),
        radial-gradient(circle at 90% 20%, rgba(255,255,255,.22), transparent 34%);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .cta-card h2 {
      color: #fff;
      margin-bottom: 14px;
    }

    .cta-card p {
      color: rgba(255,255,255,.82);
      max-width: 760px;
      margin-bottom: 24px;
    }

    .cta-card .btn-secondary {
      color: var(--color-primary-dark);
    }

    .site-footer {
      background: #0f172a;
      color: rgba(255,255,255,.74);
      padding: 54px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

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

    .footer-brand .brand__mark {
      width: 40px;
      height: 40px;
      box-shadow: none;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 14px;
      letter-spacing: 0;
    }

    .footer-col p,
    .footer-col li {
      font-size: 14px;
      color: rgba(255,255,255,.68);
    }

    .footer-links {
      display: grid;
      gap: 10px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

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

    .footer-links a:hover {
      color: #93c5fd;
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      font-size: 13px;
      color: rgba(255,255,255,.56);
      flex-wrap: wrap;
    }

    .notice {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      color: rgba(255,255,255,.76);
    }

    @media (max-width: 1024px) {
      :root {
        --section-y: 68px;
      }

      .hero-copy,
      .directory-wrap,
      .rank-layout,
      .news-layout,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .side-index {
        position: relative;
        top: auto;
      }

      .entry-matrix,
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .timeline,
      .share-panel {
        grid-template-columns: 1fr;
      }

      .header-search {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .top-info__inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 10px 0;
        gap: 8px;
      }

      .main-nav {
        min-height: 70px;
      }

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

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

      .hero {
        padding: 42px 0 34px;
      }

      .hero-shell {
        border-radius: 26px;
      }

      .hero-points,
      .catalog-grid,
      .demo-grid {
        grid-template-columns: 1fr;
      }

      .entry-matrix {
        grid-template-columns: 1fr;
      }

      .rank-row {
        grid-template-columns: 44px 1fr 74px;
      }

      .rank-row > div:nth-child(4) {
        display: none;
      }

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

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

      .arrow-link {
        display: none;
      }

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

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 27px;
      }

      .brand__name {
        font-size: 17px;
      }

      .brand__sub {
        display: none;
      }

      .pain-line {
        align-items: flex-start;
        border-radius: 18px;
        line-height: 1.45;
      }

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

      .btn {
        width: 100%;
      }

      .search-demo {
        align-items: stretch;
        flex-direction: column;
      }

      .search-demo button {
        width: 100%;
      }

      .content-card {
        flex-basis: 86%;
      }

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

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