/* roulang page: index */
:root {
      --bg: #080b12;
      --bg-soft: #0f1421;
      --bg-panel: rgba(255,255,255,.075);
      --card: rgba(19, 25, 40, .86);
      --card-strong: rgba(25, 33, 54, .96);
      --text: #f8fafc;
      --text-muted: #aeb8ca;
      --text-dim: #77839a;
      --primary: #ff365f;
      --primary-dark: #d81943;
      --secondary: #7c3aed;
      --accent: #22d3ee;
      --warning: #fbbf24;
      --success: #34d399;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(255,255,255,.22);
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --shadow-soft: 0 16px 40px rgba(0, 0, 0, .22);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --nav-h: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.65;
      background:
        radial-gradient(circle at 12% 6%, rgba(255, 54, 95, .28) 0, transparent 34%),
        radial-gradient(circle at 86% 0%, rgba(124, 58, 237, .28) 0, transparent 32%),
        linear-gradient(180deg, #090d16 0%, #0b0f1a 45%, #070a10 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, opacity .2s ease, transform .2s ease, border-color .2s ease, background .2s ease;
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, select, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(255, 54, 95, .36);
      color: #fff;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(8, 11, 18, .76);
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .nav-wrap {
      height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 34px rgba(255, 54, 95, .32);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 6px;
      border: 1px solid rgba(255,255,255,.42);
      border-radius: 10px;
    }

    .brand-mark span {
      position: relative;
      z-index: 1;
      font-size: 14px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      gap: 1px;
      min-width: 0;
    }

    .brand-text strong {
      font-size: 16px;
      line-height: 1.2;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-text em {
      font-style: normal;
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 600;
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--text-muted);
      font-weight: 700;
      font-size: 14px;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: #fff;
      background: rgba(255,255,255,.08);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255,54,95,.25), rgba(124,58,237,.22));
      border: 1px solid rgba(255,255,255,.14);
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 38px;
      padding: 0 14px;
      border: 1px solid rgba(34, 211, 238, .32);
      border-radius: 999px;
      color: #dffaff;
      background: rgba(34, 211, 238, .08);
      font-size: 13px;
      font-weight: 800;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(52, 211, 153, .12);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 900;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 30px rgba(255, 54, 95, .26);
    }

    .nav-cta:hover,
    .nav-cta:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(255, 54, 95, .34);
      outline: none;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,.08);
      color: #fff;
      border: 1px solid var(--line);
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: currentColor;
      display: block;
      margin: 4px auto;
      border-radius: 3px;
      transition: transform .2s ease, opacity .2s ease;
    }

    .flash-strip {
      border-bottom: 1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(90deg, rgba(255,54,95,.18), rgba(124,58,237,.16), rgba(34,211,238,.08));
    }

    .flash-inner {
      min-height: 46px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      text-align: center;
    }

    .flash-label {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 5px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.16);
    }

    .countdown {
      display: inline-flex;
      gap: 6px;
      align-items: center;
    }

    .timebox {
      min-width: 32px;
      padding: 3px 7px;
      border-radius: 9px;
      background: #fff;
      color: #10131b;
      font-variant-numeric: tabular-nums;
    }

    .hero {
      position: relative;
      padding: 74px 0 44px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 38px 0 auto;
      height: 220px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
      transform: skewY(-4deg);
      pointer-events: none;
    }

    .hero-stage {
      position: relative;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 560px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 42px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.045)),
        radial-gradient(circle at 20% 20%, rgba(255,54,95,.2), transparent 30%);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -120px;
      bottom: -120px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(34, 211, 238, .12);
      filter: blur(6px);
    }

    .eyebrow {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #fff;
      background: rgba(255, 54, 95, .15);
      border: 1px solid rgba(255, 54, 95, .34);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 7px rgba(255, 54, 95, .14);
    }

    h1 {
      font-size: clamp(36px, 5.2vw, 72px);
      line-height: 1.04;
      letter-spacing: -.055em;
      max-width: 900px;
      margin-bottom: 22px;
    }

    .hero-desc {
      max-width: 760px;
      color: #d7dfec;
      font-size: 18px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
      position: relative;
      z-index: 1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 18px 44px rgba(255, 54, 95, .32);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 24px 54px rgba(255, 54, 95, .42);
      outline: none;
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.16);
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      background: rgba(255,255,255,.13);
      border-color: rgba(255,255,255,.28);
      transform: translateY(-2px);
      outline: none;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .data-badge {
      padding: 15px;
      border-radius: var(--radius-md);
      background: rgba(0,0,0,.22);
      border: 1px solid rgba(255,255,255,.12);
    }

    .data-badge strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: #fff;
      margin-bottom: 7px;
      font-variant-numeric: tabular-nums;
    }

    .data-badge span {
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .deal-card {
      display: grid;
      grid-template-rows: auto 1fr auto;
      gap: 18px;
      padding: 24px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.055)),
        radial-gradient(circle at 80% 16%, rgba(255,54,95,.26), transparent 38%);
      border: 1px solid rgba(255,255,255,.16);
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .deal-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: fit-content;
      padding: 7px 10px;
      border-radius: 999px;
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.15);
    }

    .badge.hot {
      color: #19060b;
      background: linear-gradient(135deg, #fff, #ffd1dc);
    }

    .deal-visual {
      min-height: 250px;
      display: grid;
      place-items: center;
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(255,54,95,.18), rgba(124,58,237,.18)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 1px, transparent 1px 16px);
      border: 1px solid rgba(255,255,255,.13);
      position: relative;
      overflow: hidden;
    }

    .deal-visual::before,
    .deal-visual::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      background: rgba(255,255,255,.12);
    }

    .deal-visual::before {
      width: 190px;
      height: 190px;
      left: -56px;
      top: -70px;
    }

    .deal-visual::after {
      width: 230px;
      height: 230px;
      right: -80px;
      bottom: -90px;
      background: rgba(34,211,238,.13);
    }

    .deal-token {
      position: relative;
      z-index: 1;
      width: min(76%, 310px);
      padding: 28px;
      border-radius: 28px;
      background: rgba(8, 11, 18, .76);
      border: 1px solid rgba(255,255,255,.18);
      box-shadow: 0 24px 60px rgba(0,0,0,.32);
      text-align: left;
    }

    .deal-token small {
      color: var(--text-muted);
      font-weight: 800;
    }

    .deal-token strong {
      display: block;
      margin: 10px 0;
      font-size: 34px;
      line-height: 1.08;
      letter-spacing: -.04em;
    }

    .deal-token p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .price-row {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 14px;
      padding-top: 4px;
    }

    .price {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .price strong {
      font-size: 40px;
      line-height: 1;
      letter-spacing: -.05em;
      color: #fff;
    }

    .price del {
      color: var(--text-dim);
      font-weight: 700;
    }

    main {
      position: relative;
    }

    .section {
      padding: 58px 0;
    }

    .section-head {
      margin-bottom: 28px;
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(260px, .28fr);
      gap: 24px;
      align-items: end;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--accent);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: .08em;
    }

    .section-kicker::before {
      content: "";
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: currentColor;
    }

    .section-title {
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.15;
      letter-spacing: -.045em;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--text-muted);
      max-width: 760px;
      font-size: 16px;
    }

    .section-aside {
      color: var(--text-muted);
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      font-size: 14px;
    }

    .story-grid {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 22px;
      align-items: stretch;
    }

    .story-panel,
    .story-note,
    .metric-card,
    .content-card,
    .resource-card,
    .compare-card,
    .faq-item,
    .news-panel,
    .subscribe-card {
      border: 1px solid var(--line);
      background: var(--card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .story-panel {
      padding: 30px;
      background:
        linear-gradient(135deg, rgba(255,54,95,.13), rgba(255,255,255,.055)),
        var(--card);
    }

    .story-panel h2,
    .story-note h3,
    .metric-card h3,
    .content-card h3,
    .resource-card h3,
    .compare-card h3,
    .timeline-card h3,
    .news-panel h3,
    .subscribe-card h2 {
      letter-spacing: -.025em;
    }

    .story-panel p {
      color: #d5deea;
      margin-top: 12px;
    }

    .story-note {
      padding: 24px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 16px;
    }

    .note-item {
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
    }

    .note-item .num {
      color: var(--primary);
      font-weight: 1000;
      font-size: 28px;
      margin-bottom: 4px;
      display: block;
    }

    .note-item p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 16px;
    }

    .metric-card {
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

    .metric-card::after {
      content: "";
      position: absolute;
      inset: auto -30px -44px auto;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: rgba(255,54,95,.12);
    }

    .metric-value {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin: 12px 0 8px;
    }

    .metric-value strong {
      font-size: 42px;
      line-height: 1;
      letter-spacing: -.06em;
    }

    .metric-value span {
      color: var(--accent);
      font-weight: 900;
    }

    .metric-card p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
    }

    .content-feature {
      min-height: 430px;
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(135deg, rgba(255,54,95,.2), rgba(124,58,237,.14)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.16)' stroke-width='1'%3E%3Cpath d='M0 40H160M0 80H160M0 120H160M40 0V160M80 0V160M120 0V160'/%3E%3C/g%3E%3C/svg%3E");
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-tags,
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.12);
      color: #eaf2ff;
      font-size: 12px;
      font-weight: 800;
    }

    .content-feature h2 {
      font-size: clamp(28px, 4vw, 52px);
      line-height: 1.05;
      letter-spacing: -.05em;
      max-width: 610px;
      margin: 28px 0 14px;
    }

    .content-feature p {
      color: #d8e0ee;
      max-width: 620px;
    }

    .content-list {
      display: grid;
      gap: 14px;
    }

    .content-card {
      padding: 20px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 16px;
      align-items: start;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .content-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,54,95,.32);
      background: var(--card-strong);
    }

    .icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, rgba(255,54,95,.9), rgba(124,58,237,.85));
      font-weight: 1000;
    }

    .content-card p {
      color: var(--text-muted);
      margin-top: 6px;
      font-size: 14px;
    }

    .resource-shell {
      padding: 20px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--line);
    }

    .filter-btn {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--text-muted);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      font-weight: 800;
      transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .filter-btn:hover,
    .filter-btn:focus-visible,
    .filter-btn.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255,54,95,.26), rgba(124,58,237,.2));
      border-color: rgba(255,255,255,.22);
      transform: translateY(-1px);
      outline: none;
    }

    .resource-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 16px;
    }

    .resource-card {
      padding: 18px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .resource-card:hover {
      transform: translateY(-5px);
      border-color: rgba(34,211,238,.28);
      box-shadow: 0 24px 58px rgba(0,0,0,.32);
    }

    .resource-card p {
      color: var(--text-muted);
      margin: 8px 0 16px;
      font-size: 14px;
    }

    .resource-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      color: var(--text-dim);
      font-size: 13px;
      font-weight: 800;
    }

    .download-guide {
      margin-top: 16px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(34,211,238,.1), rgba(255,54,95,.1));
      border: 1px solid rgba(255,255,255,.12);
      display: flex;
      gap: 14px;
      align-items: center;
      justify-content: space-between;
    }

    .download-guide p {
      color: var(--text-muted);
      font-size: 14px;
      max-width: 780px;
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: .36fr .64fr;
      gap: 22px;
      align-items: start;
    }

    .timeline-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
      box-shadow: var(--shadow-soft);
    }

    .timeline-list {
      position: relative;
      display: grid;
      gap: 14px;
      list-style: none;
    }

    .timeline-item {
      position: relative;
      padding: 18px 18px 18px 44px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 24px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 7px rgba(255,54,95,.13);
    }

    .timeline-item time {
      color: var(--accent);
      font-size: 13px;
      font-weight: 900;
    }

    .timeline-item h3 {
      margin: 4px 0;
      font-size: 18px;
    }

    .timeline-item p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .compare-card {
      padding: 24px;
    }

    .compare-card.good {
      border-color: rgba(52,211,153,.24);
      background: linear-gradient(135deg, rgba(52,211,153,.12), rgba(255,255,255,.05));
    }

    .compare-card.warn {
      border-color: rgba(251,191,36,.23);
      background: linear-gradient(135deg, rgba(251,191,36,.1), rgba(255,255,255,.045));
    }

    .check-list {
      display: grid;
      gap: 12px;
      list-style: none;
      margin-top: 16px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: var(--text-muted);
      align-items: flex-start;
    }

    .check-list li::before {
      content: "●";
      color: var(--success);
      font-size: 13px;
      margin-top: 2px;
    }

    .compare-card.warn .check-list li::before {
      color: var(--warning);
    }

    .bubbles {
      display: grid;
      grid-template-columns: 1fr .85fr 1.15fr;
      gap: 16px;
      align-items: stretch;
    }

    .bubble {
      padding: 22px;
      border-radius: 28px 28px 28px 10px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.075);
      box-shadow: var(--shadow-soft);
    }

    .bubble:nth-child(2) {
      margin-top: 36px;
      border-radius: 28px 28px 10px 28px;
      background: linear-gradient(135deg, rgba(255,54,95,.13), rgba(255,255,255,.06));
    }

    .bubble:nth-child(3) {
      margin-top: 14px;
      background: linear-gradient(135deg, rgba(34,211,238,.1), rgba(255,255,255,.06));
    }

    .bubble p {
      color: #dbe5f2;
      margin-bottom: 16px;
    }

    .bubble-user {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
      font-weight: 800;
      font-size: 14px;
    }

    .avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-weight: 1000;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 18px;
    }

    .news-panel {
      padding: 22px;
    }

    .news-list {
      list-style: none;
      display: grid;
      gap: 4px;
    }

    .news-item a {
      display: grid;
      grid-template-columns: 108px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 15px 0;
      border-bottom: 1px solid rgba(255,255,255,.09);
    }

    .news-item:last-child a {
      border-bottom: 0;
    }

    .news-date {
      color: var(--accent);
      font-weight: 900;
      font-size: 13px;
      font-variant-numeric: tabular-nums;
    }

    .news-title {
      color: #edf4ff;
      font-weight: 800;
    }

    .news-item a:hover .news-title,
    .news-item a:focus-visible .news-title {
      color: #fff;
    }

    .news-item a:hover {
      transform: translateX(4px);
    }

    .news-arrow {
      color: var(--text-dim);
    }

    .side-recommend {
      padding: 22px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255,54,95,.22);
      background:
        linear-gradient(135deg, rgba(255,54,95,.16), rgba(124,58,237,.11)),
        var(--card);
      box-shadow: var(--shadow-soft);
    }

    .side-recommend p {
      color: var(--text-muted);
      margin: 10px 0 18px;
    }

    .mini-list {
      list-style: none;
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .mini-list li {
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(0,0,0,.18);
      border: 1px solid rgba(255,255,255,.09);
      color: var(--text-muted);
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 16px;
    }

    .faq-item {
      padding: 22px;
      transition: transform .2s ease, border-color .2s ease;
    }

    .faq-item:hover {
      transform: translateY(-3px);
      border-color: rgba(255,255,255,.2);
    }

    .faq-q {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      font-weight: 1000;
      font-size: 18px;
      margin-bottom: 10px;
    }

    .faq-q span {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: rgba(255,54,95,.16);
      color: #ffb4c5;
      font-size: 14px;
    }

    .faq-item p {
      color: var(--text-muted);
    }

    .subscribe-card {
      padding: 28px;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(255,54,95,.2), rgba(124,58,237,.16), rgba(34,211,238,.08)),
        var(--card-strong);
      overflow: hidden;
      position: relative;
    }

    .subscribe-card::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -100px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(255,255,255,.11);
    }

    .subscribe-card p {
      color: #dfe8f5;
      margin-top: 12px;
    }

    .subscribe-form {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(8,11,18,.54);
      border: 1px solid rgba(255,255,255,.14);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .field {
      width: 100%;
      min-height: 50px;
      padding: 0 16px;
      border-radius: 999px;
      color: #fff;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .field::placeholder {
      color: rgba(223,232,245,.58);
    }

    .field:focus {
      border-color: rgba(34,211,238,.55);
      box-shadow: 0 0 0 4px rgba(34,211,238,.12);
      background: rgba(255,255,255,.1);
    }

    .form-note {
      color: var(--text-muted);
      font-size: 13px;
    }

    .form-message {
      min-height: 22px;
      color: var(--success);
      font-size: 14px;
      font-weight: 800;
    }

    .site-footer {
      padding: 48px 0 34px;
      border-top: 1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(180deg, rgba(255,255,255,.035), rgba(0,0,0,.16)),
        #070a10;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 1000;
      margin-bottom: 14px;
    }

    .footer-desc {
      max-width: 720px;
      color: var(--text-muted);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .footer-link {
      padding: 9px 12px;
      border-radius: 999px;
      color: var(--text-muted);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.08);
      font-weight: 800;
      font-size: 13px;
    }

    .footer-link:hover,
    .footer-link:focus-visible {
      color: #fff;
      border-color: rgba(255,255,255,.2);
      background: rgba(255,255,255,.1);
      outline: none;
    }

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.09);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--text-dim);
      font-size: 13px;
      flex-wrap: wrap;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 40;
      width: min(100% - 32px, 720px);
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px 10px 16px;
      border-radius: 999px;
      background: rgba(8,11,18,.86);
      backdrop-filter: blur(18px);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: 0 18px 50px rgba(0,0,0,.38);
    }

    .floating-cta span {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 800;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .status-pill {
        display: none;
      }

      .hero-stage,
      .story-grid,
      .matrix-grid,
      .timeline-wrap,
      .news-layout,
      .subscribe-card {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        min-height: auto;
      }

      .metrics-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }

      .resource-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-h: 66px;
      }

      .brand-text strong {
        max-width: 210px;
        font-size: 14px;
      }

      .brand-text em {
        display: none;
      }

      .menu-toggle {
        display: inline-block;
      }

      .nav-right {
        position: fixed;
        top: var(--nav-h);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(10,14,24,.96);
        border: 1px solid rgba(255,255,255,.14);
        box-shadow: var(--shadow);
      }

      .nav-right.open {
        display: flex;
      }

      .nav-menu {
        flex-direction: column;
        align-items: stretch;
      }

      .nav-link,
      .nav-cta {
        width: 100%;
        justify-content: center;
      }

      .flash-inner {
        flex-direction: column;
        gap: 8px;
        padding: 10px 0;
      }

      .hero {
        padding-top: 38px;
      }

      .hero-copy,
      .deal-card {
        padding: 22px;
        border-radius: 24px;
      }

      .hero-points,
      .story-note,
      .faq-grid,
      .compare-grid,
      .bubbles {
        grid-template-columns: 1fr;
      }

      .bubble,
      .bubble:nth-child(2),
      .bubble:nth-child(3) {
        margin-top: 0;
      }

      .resource-grid {
        grid-template-columns: 1fr;
      }

      .download-guide {
        flex-direction: column;
        align-items: flex-start;
      }

      .news-item a {
        grid-template-columns: 1fr auto;
      }

      .news-date {
        grid-column: 1 / -1;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .floating-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .brand-text strong {
        max-width: 176px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-desc,
      .section-desc {
        font-size: 15px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .metrics-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 44px 0;
      }

      .price-row {
        flex-direction: column;
        align-items: flex-start;
      }

      .deal-visual {
        min-height: 220px;
      }

      .content-card {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }

      .floating-cta {
        border-radius: 22px;
        align-items: stretch;
        flex-direction: column;
      }
    }
