/* roulang page: index */
:root {
      --bg: #f6f8fb;
      --bg-soft: #eef2f8;
      --surface: #ffffff;
      --surface-2: #fbfcff;
      --dark: #12162a;
      --dark-2: #1a2140;
      --text: #182033;
      --muted: #68728a;
      --muted-2: #8a93a7;
      --primary: #6d5dfc;
      --primary-2: #8f5cff;
      --accent: #00c2a8;
      --accent-2: #ffb84d;
      --danger: #ff6b7a;
      --border: rgba(24, 32, 51, 0.1);
      --border-strong: rgba(24, 32, 51, 0.16);
      --shadow-sm: 0 10px 28px rgba(18, 22, 42, 0.08);
      --shadow-md: 0 18px 50px rgba(18, 22, 42, 0.12);
      --shadow-lg: 0 28px 80px rgba(18, 22, 42, 0.18);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --container: 1180px;
      --nav-h: 76px;
      --ease: 180ms 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 {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.65;
      background:
        radial-gradient(circle at 15% 5%, rgba(109, 93, 252, 0.14), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(0, 194, 168, 0.12), transparent 28%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 45%, #f3f6fb 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

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

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

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

    input {
      outline: none;
    }

    ::selection {
      background: rgba(109, 93, 252, 0.2);
      color: var(--dark);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-h);
      background: rgba(251, 252, 255, 0.84);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(24, 32, 51, 0.08);
    }

    .nav-shell {
      height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--dark);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 12px 28px rgba(109, 93, 252, 0.24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 54px;
      background: rgba(255,255,255,0.3);
      transform: rotate(32deg);
      right: -8px;
      top: -12px;
    }

    .brand-mark span {
      position: relative;
      z-index: 1;
      font-size: 14px;
    }

    .nav-center {
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 1;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
      padding: 6px;
      border: 1px solid rgba(24, 32, 51, 0.08);
      border-radius: 999px;
      background: rgba(255,255,255,0.72);
      box-shadow: 0 8px 22px rgba(18, 22, 42, 0.04);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
    }

    .nav-link:hover {
      color: var(--dark);
      background: rgba(109, 93, 252, 0.08);
    }

    .nav-link.active {
      color: #fff;
      background: var(--dark);
      box-shadow: 0 10px 26px rgba(18, 22, 42, 0.16);
    }

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

    .command-search {
      width: 238px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 12px;
      border: 1px solid rgba(24, 32, 51, 0.1);
      border-radius: 14px;
      background: rgba(255,255,255,0.8);
      box-shadow: 0 8px 22px rgba(18, 22, 42, 0.04);
      color: var(--muted);
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .command-search:focus-within {
      border-color: rgba(109, 93, 252, 0.48);
      box-shadow: 0 0 0 4px rgba(109, 93, 252, 0.12);
      background: #fff;
    }

    .command-search input {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--text);
      font-size: 13px;
    }

    .command-key {
      flex: 0 0 auto;
      padding: 2px 7px;
      border-radius: 7px;
      border: 1px solid var(--border);
      background: #f4f6fb;
      font-size: 12px;
      color: var(--muted-2);
      line-height: 1.4;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 14px;
      font-weight: 850;
      font-size: 14px;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .footer-link:focus-visible,
    .plan-card:focus-within {
      outline: 4px solid rgba(109, 93, 252, 0.18);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 14px 30px rgba(109, 93, 252, 0.25);
    }

    .btn-primary:hover {
      box-shadow: 0 20px 40px rgba(109, 93, 252, 0.32);
    }

    .btn-dark {
      color: #fff;
      background: var(--dark);
      box-shadow: 0 16px 36px rgba(18, 22, 42, 0.2);
    }

    .btn-dark:hover {
      background: #070a16;
      box-shadow: 0 22px 44px rgba(18, 22, 42, 0.24);
    }

    .btn-soft {
      color: var(--dark);
      background: rgba(255,255,255,0.82);
      border-color: rgba(24, 32, 51, 0.1);
      box-shadow: 0 10px 24px rgba(18, 22, 42, 0.06);
    }

    .btn-soft:hover {
      border-color: rgba(109, 93, 252, 0.28);
      background: #fff;
    }

    .btn-ghost {
      color: var(--primary);
      background: rgba(109, 93, 252, 0.08);
      border-color: rgba(109, 93, 252, 0.12);
    }

    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--dark);
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-sm);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      content: "";
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 99px;
      background: currentColor;
      position: relative;
      transition: transform var(--ease), top var(--ease), opacity var(--ease);
    }

    .mobile-toggle span::before {
      position: absolute;
      top: -6px;
    }

    .mobile-toggle span::after {
      position: absolute;
      top: 6px;
    }

    body.nav-open .mobile-toggle span {
      transform: rotate(45deg);
    }

    body.nav-open .mobile-toggle span::before {
      top: 0;
      opacity: 0;
    }

    body.nav-open .mobile-toggle span::after {
      top: 0;
      transform: rotate(-90deg);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 84px 0;
      position: relative;
    }

    .section.compact {
      padding: 64px 0;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 850;
      color: var(--primary);
      background: rgba(109, 93, 252, 0.09);
      border: 1px solid rgba(109, 93, 252, 0.12);
      margin-bottom: 12px;
    }

    .section-kicker.dark {
      color: #d9d6ff;
      background: rgba(255,255,255,0.08);
      border-color: rgba(255,255,255,0.12);
    }

    .section-title {
      font-size: clamp(28px, 3.1vw, 44px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      color: var(--dark);
      font-weight: 950;
    }

    .section-desc {
      max-width: 650px;
      color: var(--muted);
      font-size: 16px;
      margin-top: 12px;
    }

    .hero {
      padding: 34px 0 0;
    }

    .hero-strip {
      border-radius: 0 0 var(--radius-xl) var(--radius-xl);
      background:
        linear-gradient(90deg, rgba(255,255,255,0.92), rgba(255,255,255,0.72)),
        radial-gradient(circle at 10% 10%, rgba(0, 194, 168, 0.18), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(109, 93, 252, 0.18), transparent 30%);
      border-bottom: 1px solid rgba(24, 32, 51, 0.08);
      box-shadow: 0 20px 70px rgba(18, 22, 42, 0.08);
      position: relative;
    }

    .hero-strip::before {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(109,93,252,0.28), transparent);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.16fr 0.84fr;
      align-items: center;
      gap: 34px;
      padding: 38px 0 42px;
      min-height: 310px;
    }

    .hero-copy {
      min-width: 0;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-bottom: 16px;
      padding: 8px 12px;
      color: #46506a;
      font-weight: 850;
      font-size: 13px;
      border-radius: 999px;
      background: rgba(255,255,255,0.8);
      border: 1px solid rgba(24, 32, 51, 0.1);
      box-shadow: 0 8px 24px rgba(18, 22, 42, 0.06);
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(0, 194, 168, 0.12);
    }

    h1 {
      max-width: 850px;
      font-size: clamp(34px, 5vw, 66px);
      line-height: 1.05;
      letter-spacing: -0.06em;
      color: var(--dark);
      font-weight: 980;
    }

    .hero-intro {
      max-width: 760px;
      margin-top: 16px;
      color: #505b73;
      font-size: 17px;
    }

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

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 24px;
      max-width: 720px;
    }

    .metric-pill {
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,0.74);
      border: 1px solid rgba(24,32,51,0.09);
      box-shadow: 0 10px 26px rgba(18,22,42,0.05);
    }

    .metric-pill strong {
      display: block;
      color: var(--dark);
      font-size: 22px;
      line-height: 1.1;
      font-weight: 950;
      letter-spacing: -0.04em;
    }

    .metric-pill span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-board {
      border-radius: 28px;
      background: var(--dark);
      color: #fff;
      padding: 18px;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: -90px -70px auto auto;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: rgba(109, 93, 252, 0.38);
      filter: blur(10px);
    }

    .board-top {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .board-title {
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(0, 194, 168, 0.16);
      color: #adfff3;
      border: 1px solid rgba(0, 194, 168, 0.28);
      font-size: 12px;
      font-weight: 850;
    }

    .stage-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 0.82fr;
      gap: 12px;
    }

    .stage-card {
      min-height: 126px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .stage-card.highlight {
      background: linear-gradient(135deg, rgba(109,93,252,0.82), rgba(0,194,168,0.48));
      grid-row: span 2;
    }

    .stage-label {
      color: rgba(255,255,255,0.68);
      font-size: 12px;
      font-weight: 800;
    }

    .stage-number {
      margin-top: 8px;
      font-size: 34px;
      line-height: 1;
      font-weight: 980;
      letter-spacing: -0.05em;
    }

    .stage-text {
      margin-top: 10px;
      color: rgba(255,255,255,0.78);
      font-size: 13px;
    }

    .mini-bars {
      margin-top: 14px;
      display: grid;
      gap: 8px;
    }

    .mini-bars i {
      display: block;
      height: 8px;
      border-radius: 99px;
      background: rgba(255,255,255,0.16);
      overflow: hidden;
    }

    .mini-bars i::after {
      content: "";
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), #fff);
      width: var(--w);
    }

    .compare-wrap {
      border-radius: var(--radius-xl);
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 780px;
    }

    .compare-table th,
    .compare-table td {
      padding: 20px 22px;
      text-align: left;
      border-bottom: 1px solid rgba(24, 32, 51, 0.08);
      vertical-align: top;
    }

    .compare-table th {
      color: var(--dark);
      font-size: 14px;
      background: #f8f9fd;
      font-weight: 950;
    }

    .compare-table td {
      color: var(--muted);
      font-size: 14px;
    }

    .compare-table tbody tr:hover {
      background: rgba(109, 93, 252, 0.035);
    }

    .compare-table tbody tr:last-child td {
      border-bottom: 0;
    }

    .feature-name {
      color: var(--dark);
      font-weight: 900;
      display: block;
      margin-bottom: 4px;
    }

    .check {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 23px;
      height: 23px;
      border-radius: 50%;
      color: #fff;
      background: var(--accent);
      font-size: 13px;
      font-weight: 900;
      margin-right: 8px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
      line-height: 1;
      white-space: nowrap;
    }

    .tag {
      color: var(--primary);
      background: rgba(109, 93, 252, 0.09);
      border: 1px solid rgba(109, 93, 252, 0.12);
    }

    .tag.green {
      color: #009a86;
      background: rgba(0, 194, 168, 0.09);
      border-color: rgba(0, 194, 168, 0.14);
    }

    .tag.orange {
      color: #b66b00;
      background: rgba(255, 184, 77, 0.13);
      border-color: rgba(255, 184, 77, 0.2);
    }

    .matrix {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 18px;
      align-items: stretch;
    }

    .matrix-panel {
      border-radius: var(--radius-xl);
      padding: 30px;
      background: var(--dark);
      color: #fff;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .matrix-panel::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      right: -120px;
      bottom: -140px;
      background: rgba(109, 93, 252, 0.42);
    }

    .matrix-panel h2 {
      position: relative;
      z-index: 1;
      font-size: 32px;
      line-height: 1.18;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .matrix-panel p {
      position: relative;
      z-index: 1;
      color: rgba(255,255,255,0.72);
      font-size: 15px;
    }

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

    .entry-card {
      border-radius: 22px;
      padding: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 12px 32px rgba(18, 22, 42, 0.06);
      min-height: 150px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .entry-card:hover {
      transform: translateY(-4px);
      border-color: rgba(109, 93, 252, 0.25);
      box-shadow: var(--shadow-md);
    }

    .entry-icon {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      color: var(--primary);
      background: rgba(109, 93, 252, 0.1);
      font-size: 20px;
    }

    .entry-card h3 {
      color: var(--dark);
      font-size: 18px;
      letter-spacing: -0.02em;
      margin-bottom: 6px;
    }

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

    .plans {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      align-items: stretch;
    }

    .plan-card {
      position: relative;
      border-radius: var(--radius-xl);
      padding: 26px;
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
      overflow: hidden;
    }

    .plan-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(109, 93, 252, 0.22);
    }

    .plan-card.featured {
      background:
        linear-gradient(180deg, rgba(109,93,252,0.08), rgba(255,255,255,0) 36%),
        #fff;
      border-color: rgba(109, 93, 252, 0.32);
      box-shadow: 0 24px 62px rgba(109, 93, 252, 0.16);
    }

    .plan-card.featured::before {
      content: "推荐";
      position: absolute;
      top: 18px;
      right: 18px;
      padding: 7px 10px;
      border-radius: 999px;
      background: var(--dark);
      color: #fff;
      font-size: 12px;
      font-weight: 900;
    }

    .plan-name {
      color: var(--dark);
      font-size: 22px;
      font-weight: 950;
      letter-spacing: -0.03em;
      margin-bottom: 8px;
    }

    .plan-desc {
      color: var(--muted);
      font-size: 14px;
      min-height: 46px;
      margin-bottom: 18px;
    }

    .price {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin-bottom: 18px;
      color: var(--dark);
    }

    .price strong {
      font-size: 38px;
      line-height: 1;
      letter-spacing: -0.06em;
      font-weight: 980;
    }

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

    .plan-list {
      list-style: none;
      display: grid;
      gap: 12px;
      margin: 20px 0 22px;
    }

    .plan-list li {
      display: flex;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
    }

    .plan-list li::before {
      content: "✓";
      flex: 0 0 auto;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--accent);
      font-size: 12px;
      font-weight: 900;
      margin-top: 1px;
    }

    .invite-section {
      background: var(--dark);
      color: #fff;
    }

    .invite-section .section-title {
      color: #fff;
    }

    .invite-section .section-desc {
      color: rgba(255,255,255,0.68);
    }

    .invite-layout {
      display: grid;
      grid-template-columns: 1fr 0.86fr;
      gap: 20px;
      align-items: stretch;
    }

    .invite-card,
    .rank-card {
      border-radius: var(--radius-xl);
      padding: 28px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      box-shadow: 0 24px 70px rgba(0,0,0,0.22);
    }

    .reward-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 22px;
    }

    .reward-box {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .reward-box strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      letter-spacing: -0.04em;
      margin-bottom: 8px;
    }

    .reward-box span {
      color: rgba(255,255,255,0.68);
      font-size: 13px;
    }

    .progress-wrap {
      margin-top: 24px;
    }

    .progress-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: rgba(255,255,255,0.72);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 9px;
    }

    .progress-track {
      height: 14px;
      border-radius: 999px;
      background: rgba(255,255,255,0.12);
      overflow: hidden;
    }

    .progress-bar {
      width: 68%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 20px rgba(0,194,168,0.35);
    }

    .share-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .rank-list {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .rank-list li {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .rank-no {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(109, 93, 252, 0.5);
      font-weight: 950;
    }

    .rank-name {
      font-weight: 850;
    }

    .rank-list small {
      color: rgba(255,255,255,0.58);
      display: block;
      margin-top: 2px;
    }

    .rank-score {
      color: #adfff3;
      font-weight: 950;
    }

    .proof-bar {
      display: grid;
      grid-template-columns: 1fr 1.8fr;
      gap: 18px;
      align-items: stretch;
    }

    .proof-main {
      border-radius: var(--radius-xl);
      padding: 28px;
      background: linear-gradient(135deg, #fff, #f7f8ff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .stars {
      color: #ffb33d;
      letter-spacing: 2px;
      font-size: 18px;
      margin: 10px 0;
    }

    .proof-main blockquote {
      color: var(--dark);
      font-size: 20px;
      line-height: 1.45;
      letter-spacing: -0.03em;
      font-weight: 900;
    }

    .proof-main cite {
      display: block;
      margin-top: 14px;
      color: var(--muted);
      font-style: normal;
      font-size: 14px;
    }

    .logo-wall {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .logo-chip {
      min-height: 86px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 14px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--muted);
      font-weight: 900;
      box-shadow: 0 10px 26px rgba(18, 22, 42, 0.04);
    }

    .screen-stage {
      display: grid;
      grid-template-columns: 1fr 0.9fr;
      gap: 20px;
      align-items: center;
    }

    .screen-device {
      border-radius: 30px;
      padding: 16px;
      background: #101426;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .screen-window {
      overflow: hidden;
      border-radius: 22px;
      background: #f8f9fd;
      min-height: 360px;
    }

    .window-top {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 14px;
      background: #fff;
      border-bottom: 1px solid rgba(24,32,51,0.08);
    }

    .window-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--danger);
    }

    .window-dot:nth-child(2) { background: var(--accent-2); }
    .window-dot:nth-child(3) { background: var(--accent); }

    .screen-content {
      padding: 18px;
      display: grid;
      gap: 12px;
    }

    .dash-line {
      border-radius: 18px;
      padding: 16px;
      background: #fff;
      border: 1px solid rgba(24,32,51,0.08);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .dash-line strong {
      color: var(--dark);
      font-size: 15px;
    }

    .dash-line span {
      color: var(--muted);
      font-size: 13px;
    }

    .dash-meter {
      width: 96px;
      height: 8px;
      border-radius: 99px;
      background: rgba(109, 93, 252, 0.12);
      overflow: hidden;
    }

    .dash-meter i {
      display: block;
      width: var(--w);
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .screen-copy {
      padding: 8px 0;
    }

    .bullet-list {
      list-style: none;
      display: grid;
      gap: 13px;
      margin-top: 20px;
    }

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

    .bullet-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 6px rgba(109, 93, 252, 0.1);
      margin-top: 8px;
      flex: 0 0 auto;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
      gap: 20px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 104px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-bottom: 1px solid rgba(24,32,51,0.08);
      transition: background var(--ease);
    }

    .news-item:hover {
      background: rgba(109, 93, 252, 0.04);
    }

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

    .news-date {
      padding: 11px 12px;
      border-radius: 16px;
      color: var(--primary);
      background: rgba(109, 93, 252, 0.08);
      text-align: center;
      font-weight: 950;
      line-height: 1.2;
    }

    .news-date small {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .news-title {
      color: var(--dark);
      font-size: 18px;
      font-weight: 950;
      letter-spacing: -0.02em;
      margin-bottom: 4px;
    }

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

    .news-arrow {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: #f4f6fb;
      color: var(--primary);
      font-weight: 950;
    }

    .news-item:hover .news-arrow {
      color: #fff;
      background: var(--primary);
      transform: translateX(2px);
    }

    .recommend-box {
      padding: 24px;
      position: sticky;
      top: calc(var(--nav-h) + 20px);
    }

    .hot-card {
      margin-top: 16px;
      padding: 20px;
      border-radius: 22px;
      background: linear-gradient(135deg, rgba(18,22,42,0.98), rgba(35,43,80,0.98));
      color: #fff;
      overflow: hidden;
      position: relative;
    }

    .hot-card::after {
      content: "";
      position: absolute;
      width: 160px;
      height: 160px;
      right: -80px;
      top: -80px;
      border-radius: 50%;
      background: rgba(0, 194, 168, 0.26);
    }

    .hot-card h3,
    .hot-card p,
    .hot-card .tag {
      position: relative;
      z-index: 1;
    }

    .hot-card h3 {
      margin-top: 12px;
      font-size: 22px;
      line-height: 1.25;
      letter-spacing: -0.03em;
    }

    .hot-card p {
      color: rgba(255,255,255,0.68);
      font-size: 14px;
      margin: 10px 0 18px;
    }

    .mini-topic {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 13px 0;
      border-bottom: 1px solid rgba(24,32,51,0.08);
      color: var(--muted);
      font-size: 14px;
    }

    .mini-topic:last-child {
      border-bottom: 0;
    }

    .mini-topic strong {
      color: var(--dark);
    }

    .cta-section {
      padding: 78px 0;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr 390px;
      gap: 24px;
      align-items: center;
      border-radius: 36px;
      padding: 36px;
      color: #fff;
      background:
        radial-gradient(circle at 80% 15%, rgba(0, 194, 168, 0.34), transparent 32%),
        linear-gradient(135deg, #151b35, #0f1222 68%, #11182e);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(90deg, #000, transparent 75%);
    }

    .cta-copy,
    .cta-form {
      position: relative;
      z-index: 1;
    }

    .cta-copy h2 {
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.08;
      letter-spacing: -0.06em;
      margin-bottom: 14px;
    }

    .cta-copy p {
      color: rgba(255,255,255,0.72);
      max-width: 680px;
    }

    .cta-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .cta-points span {
      padding: 8px 11px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.78);
      font-size: 13px;
      font-weight: 850;
    }

    .cta-form {
      padding: 22px;
      border-radius: 26px;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.16);
      backdrop-filter: blur(14px);
    }

    .form-field {
      display: grid;
      gap: 8px;
      margin-bottom: 13px;
    }

    .form-field label {
      color: rgba(255,255,255,0.76);
      font-size: 13px;
      font-weight: 850;
    }

    .form-field input,
    .form-field select {
      width: 100%;
      height: 46px;
      border-radius: 15px;
      border: 1px solid rgba(255,255,255,0.16);
      background: rgba(255,255,255,0.1);
      color: #fff;
      padding: 0 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .form-field input::placeholder {
      color: rgba(255,255,255,0.42);
    }

    .form-field select option {
      color: var(--text);
    }

    .form-field input:focus,
    .form-field select:focus {
      border-color: rgba(0, 194, 168, 0.65);
      box-shadow: 0 0 0 4px rgba(0, 194, 168, 0.14);
      background: rgba(255,255,255,0.14);
    }

    .form-note {
      color: rgba(255,255,255,0.56);
      font-size: 12px;
      margin-top: 12px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 22px;
      align-items: start;
    }

    .faq-aside {
      border-radius: var(--radius-xl);
      padding: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .faq-aside h2 {
      font-size: 34px;
      line-height: 1.15;
      letter-spacing: -0.04em;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .faq-aside p {
      color: var(--muted);
      font-size: 15px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 10px 26px rgba(18, 22, 42, 0.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 20px;
      color: var(--dark);
      text-align: left;
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      background: rgba(109, 93, 252, 0.09);
      color: var(--primary);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
      display: block;
    }

    .faq-item:hover {
      border-color: rgba(109, 93, 252, 0.24);
    }

    .faq-item:hover .faq-question span:last-child {
      transform: rotate(8deg);
      background: rgba(109, 93, 252, 0.14);
    }

    .site-footer {
      padding: 56px 0 34px;
      background: #0f1324;
      color: rgba(255,255,255,0.72);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
      align-items: start;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-weight: 950;
      font-size: 18px;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 680px;
      color: rgba(255,255,255,0.62);
      font-size: 14px;
    }

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

    .footer-link {
      padding: 9px 12px;
      border-radius: 12px;
      color: rgba(255,255,255,0.66);
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      font-size: 13px;
      font-weight: 850;
    }

    .footer-link:hover {
      color: #fff;
      background: rgba(109, 93, 252, 0.22);
      border-color: rgba(109, 93, 252, 0.28);
      transform: translateY(-2px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255,255,255,0.48);
      font-size: 13px;
    }

    .back-top {
      color: rgba(255,255,255,0.74);
      font-weight: 850;
    }

    .back-top:hover {
      color: #fff;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-h: 70px;
      }

      .container {
        width: min(100% - 30px, var(--container));
      }

      .command-search {
        width: 190px;
      }

      .hero-inner,
      .matrix,
      .invite-layout,
      .proof-bar,
      .screen-stage,
      .cta-panel,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero-board {
        max-width: 680px;
      }

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

      .plan-desc {
        min-height: auto;
      }

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

      .recommend-box {
        position: static;
      }

      .logo-wall {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: auto;
      }

      .nav-shell {
        min-height: var(--nav-h);
        height: auto;
        flex-wrap: wrap;
      }

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

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

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

      .nav-center {
        order: 3;
        justify-content: flex-start;
      }

      .nav-list {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        border-radius: 18px;
      }

      .nav-actions {
        order: 4;
        align-items: stretch;
        flex-direction: column;
        padding-bottom: 14px;
      }

      .command-search {
        width: 100%;
      }

      .hero {
        padding-top: 20px;
      }

      .hero-inner {
        padding: 28px 0 32px;
      }

      h1 {
        letter-spacing: -0.05em;
      }

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

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

      .stage-card.highlight {
        grid-row: auto;
      }

      .section {
        padding: 64px 0;
      }

      .section-heading {
        display: block;
      }

      .compare-wrap {
        overflow-x: auto;
      }

      .entry-grid,
      .reward-row,
      .logo-wall {
        grid-template-columns: 1fr;
      }

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

      .news-arrow {
        display: none;
      }

      .cta-panel {
        padding: 24px;
        border-radius: 28px;
      }

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

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .brand {
        font-size: 15px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

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

      .btn {
        width: 100%;
      }

      .hero-strip {
        border-radius: 0 0 26px 26px;
      }

      .metric-pill,
      .entry-card,
      .plan-card,
      .invite-card,
      .rank-card,
      .proof-main,
      .faq-aside {
        border-radius: 22px;
      }

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

      .compare-table {
        min-width: 700px;
      }

      .screen-window {
        min-height: 300px;
      }

      .dash-line {
        align-items: flex-start;
        flex-direction: column;
      }

      .dash-meter {
        width: 100%;
      }

      .footer-bottom {
        display: grid;
      }
    }