/* roulang page: index */
:root {
      --color-ink: #1f1a17;
      --color-muted: #6d625c;
      --color-soft: #8b7d73;
      --color-bg: #fff8ef;
      --color-surface: #ffffff;
      --color-surface-2: #fff1df;
      --color-primary: #e85d2a;
      --color-primary-dark: #bd431d;
      --color-primary-soft: #ffe1d2;
      --color-secondary: #163b35;
      --color-secondary-soft: #dff3ea;
      --color-gold: #f5b84b;
      --color-red: #dd3f31;
      --color-border: rgba(31, 26, 23, 0.11);
      --color-border-strong: rgba(31, 26, 23, 0.18);
      --shadow-sm: 0 8px 24px rgba(31, 26, 23, 0.08);
      --shadow-md: 0 18px 50px rgba(31, 26, 23, 0.12);
      --shadow-lg: 0 28px 80px rgba(232, 93, 42, 0.20);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --sidebar-width: 276px;
      --container: 1180px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 78% 8%, rgba(245, 184, 75, 0.20), transparent 34%),
        radial-gradient(circle at 12% 18%, rgba(232, 93, 42, 0.16), transparent 28%),
        linear-gradient(180deg, #fff8ef 0%, #fffdf9 45%, #fff8ef 100%);
      overflow-x: hidden;
    }

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

    img,
    svg {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }

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

    button {
      cursor: pointer;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.86);
      color: var(--color-ink);
      border-radius: 14px;
      padding: 13px 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus,
    textarea:focus,
    select:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(232, 93, 42, 0.24);
      outline-offset: 3px;
    }

    input:focus,
    textarea:focus {
      border-color: rgba(232, 93, 42, 0.55);
      box-shadow: 0 0 0 4px rgba(232, 93, 42, 0.10);
      background: #fff;
    }

    ::selection {
      background: rgba(232, 93, 42, 0.25);
    }

    .app-shell {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar-width);
      background: rgba(31, 26, 23, 0.94);
      color: #fffaf2;
      border-right: 1px solid rgba(255, 255, 255, 0.10);
      padding: 24px 18px;
      z-index: 50;
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(16px);
      box-shadow: 12px 0 36px rgba(31, 26, 23, 0.16);
    }

    .brand-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 8px 8px 22px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(135deg, rgba(232, 93, 42, 1), rgba(245, 184, 75, 1));
      color: #231813;
      font-weight: 900;
      letter-spacing: -0.04em;
      box-shadow: 0 14px 30px rgba(232, 93, 42, 0.28);
    }

    .brand-copy {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-name {
      font-size: 17px;
      font-weight: 900;
      letter-spacing: -0.01em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-sub {
      color: rgba(255, 250, 242, 0.62);
      font-size: 12px;
      margin-top: 2px;
    }

    .side-nav {
      display: grid;
      gap: 8px;
      margin: 24px 0;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 48px;
      padding: 11px 13px;
      border-radius: 16px;
      color: rgba(255, 250, 242, 0.72);
      font-weight: 800;
      border: 1px solid transparent;
    }

    .nav-item i {
      width: 20px;
      text-align: center;
      color: rgba(245, 184, 75, 0.84);
    }

    .nav-item:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      transform: translateX(3px);
    }

    .nav-item.active {
      color: #231813;
      background: #fff4df;
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
    }

    .nav-item.active i {
      color: var(--color-primary);
    }

    .sidebar-search {
      position: relative;
      margin-top: 4px;
    }

    .sidebar-search input {
      padding-left: 42px;
      border-color: rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }

    .sidebar-search input::placeholder {
      color: rgba(255, 250, 242, 0.48);
    }

    .sidebar-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: rgba(255, 250, 242, 0.54);
    }

    .side-card {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(232, 93, 42, 0.95), rgba(245, 184, 75, 0.92));
      color: #261a12;
      box-shadow: 0 18px 45px rgba(232, 93, 42, 0.22);
    }

    .side-card strong {
      display: block;
      font-size: 15px;
      margin-bottom: 6px;
    }

    .side-card p {
      margin: 0 0 12px;
      font-size: 13px;
      line-height: 1.55;
    }

    .side-card a {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.78);
      font-size: 13px;
      font-weight: 900;
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      padding: 12px 16px;
      background: rgba(255, 248, 239, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-border);
    }

    .mobile-topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .mobile-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
    }

    .mobile-logo .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      font-size: 13px;
    }

    .menu-toggle {
      border: 0;
      border-radius: 14px;
      background: var(--color-ink);
      color: #fff;
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      transition: transform var(--ease), background var(--ease);
    }

    .menu-toggle:hover {
      background: var(--color-primary-dark);
      transform: translateY(-1px);
    }

    .nav-overlay {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 45;
      background: rgba(31, 26, 23, 0.42);
      backdrop-filter: blur(4px);
    }

    .main-area {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
    }

    .page-wrap {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .section {
      padding: 54px 0;
      position: relative;
    }

    .section-tight {
      padding: 32px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 26px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border: 1px solid rgba(232, 93, 42, 0.18);
      border-radius: 999px;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 950;
      color: var(--color-ink);
    }

    .section-desc {
      margin: 10px 0 0;
      max-width: 700px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      padding: 13px 18px;
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.2;
      min-height: 48px;
      box-shadow: none;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 14px 30px rgba(232, 93, 42, 0.24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 20px 45px rgba(232, 93, 42, 0.30);
    }

    .btn-dark {
      background: var(--color-ink);
      color: #fff;
    }

    .btn-dark:hover,
    .btn-dark:focus {
      color: #fff;
      background: #342822;
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.78);
      color: var(--color-ink);
      border-color: var(--color-border);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      border-color: rgba(232, 93, 42, 0.36);
      background: #fff;
      color: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
      background: rgba(22, 59, 53, 0.08);
      color: var(--color-secondary);
      border: 1px solid rgba(22, 59, 53, 0.12);
    }

    .badge.hot {
      background: rgba(232, 93, 42, 0.11);
      color: var(--color-primary-dark);
      border-color: rgba(232, 93, 42, 0.18);
    }

    .card {
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(232, 93, 42, 0.22);
    }

    .hero {
      padding: 32px 0 48px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      padding: clamp(24px, 4vw, 48px);
      background:
        linear-gradient(115deg, rgba(31, 26, 23, 0.92) 0%, rgba(56, 35, 26, 0.88) 46%, rgba(232, 93, 42, 0.86) 100%);
      color: #fff8ef;
      box-shadow: var(--shadow-lg);
      isolation: isolate;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      right: -130px;
      top: -220px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(245, 184, 75, 0.52), transparent 66%);
      z-index: -1;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: 14px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 30px;
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.85fr 0.86fr;
      gap: 20px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 420px;
      padding: 4px 0;
    }

    .hero-eyebrow {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .hero-eyebrow span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: rgba(255, 248, 239, 0.88);
      font-size: 13px;
      font-weight: 800;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(34px, 5.4vw, 68px);
      line-height: 1.02;
      letter-spacing: -0.06em;
      font-weight: 950;
      max-width: 780px;
    }

    .hero-intro {
      max-width: 700px;
      margin: 22px 0 0;
      color: rgba(255, 248, 239, 0.80);
      font-size: 18px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-actions .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #fff8ef;
      border-color: rgba(255, 255, 255, 0.20);
    }

    .hero-actions .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.20);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.30);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 28px;
    }

    .hero-point {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.13);
    }

    .hero-point strong {
      display: block;
      color: #fff;
      font-size: 22px;
      line-height: 1.1;
    }

    .hero-point span {
      display: block;
      margin-top: 5px;
      color: rgba(255, 248, 239, 0.68);
      font-size: 12px;
    }

    .whitepaper-cover {
      position: relative;
      min-height: 420px;
      border-radius: 28px;
      padding: 22px;
      background:
        linear-gradient(145deg, #fff6e7 0%, #ffd9bf 54%, #f0904f 100%);
      color: #241812;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
    }

    .whitepaper-cover::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 22px;
      border: 1px dashed rgba(31, 26, 23, 0.20);
    }

    .cover-top,
    .cover-bottom {
      position: relative;
      z-index: 1;
    }

    .cover-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.62);
      padding: 7px 11px;
      font-size: 12px;
      font-weight: 950;
      color: var(--color-primary-dark);
    }

    .cover-title {
      margin: 26px 0 0;
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.06;
      letter-spacing: -0.05em;
      font-weight: 950;
    }

    .cover-title span {
      display: block;
      color: var(--color-primary-dark);
    }

    .cover-code {
      width: 78px;
      height: 78px;
      border-radius: 18px;
      margin-top: 22px;
      background:
        linear-gradient(90deg, #241812 8px, transparent 8px) 0 0/16px 16px,
        linear-gradient(#241812 8px, transparent 8px) 0 0/16px 16px,
        #fff8ef;
      box-shadow: inset 0 0 0 9px #fff8ef;
      opacity: 0.88;
    }

    .cover-bottom {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 12px;
      font-weight: 900;
    }

    .cover-bottom small {
      color: rgba(31, 26, 23, 0.58);
      font-weight: 800;
    }

    .download-card {
      border-radius: 28px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--color-ink);
      border: 1px solid rgba(255, 255, 255, 0.55);
      box-shadow: 0 20px 55px rgba(0, 0, 0, 0.15);
    }

    .toc-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .toc-title strong {
      font-size: 18px;
      font-weight: 950;
    }

    .toc-list {
      list-style: none;
      padding: 0;
      margin: 0 0 18px;
      display: grid;
      gap: 10px;
    }

    .toc-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 11px 12px;
      border-radius: 16px;
      background: #fff8ef;
      border: 1px solid rgba(31, 26, 23, 0.08);
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .lead-form {
      display: grid;
      gap: 10px;
    }

    .form-note {
      margin: 0;
      color: var(--color-soft);
      font-size: 12px;
      line-height: 1.5;
    }

    .form-result {
      display: none;
      padding: 11px 12px;
      border-radius: 14px;
      background: var(--color-secondary-soft);
      color: var(--color-secondary);
      font-weight: 800;
      font-size: 13px;
    }

    .metrics-strip {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .metric-card {
      position: relative;
      padding: 22px;
      border-radius: 24px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .metric-card::after {
      content: "";
      position: absolute;
      width: 110px;
      height: 110px;
      right: -44px;
      bottom: -54px;
      border-radius: 50%;
      background: rgba(232, 93, 42, 0.10);
    }

    .metric-card strong {
      display: block;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1;
      letter-spacing: -0.05em;
      font-weight: 950;
      color: var(--color-ink);
    }

    .metric-card span {
      display: block;
      margin-top: 10px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: 0.86fr 1.14fr;
      gap: 20px;
      align-items: stretch;
    }

    .feature-index {
      padding: 26px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(160deg, rgba(22, 59, 53, 0.98), rgba(31, 26, 23, 0.96));
      color: #fff8ef;
      box-shadow: var(--shadow-md);
    }

    .feature-index h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.12;
      letter-spacing: -0.05em;
      font-weight: 950;
    }

    .feature-index p {
      margin: 0 0 20px;
      color: rgba(255, 248, 239, 0.72);
    }

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

    .chapter-list li {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .chapter-list b {
      display: block;
      font-size: 15px;
    }

    .chapter-list small {
      color: rgba(255, 248, 239, 0.58);
      font-weight: 700;
    }

    .feature-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .feature-card {
      padding: 24px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-size: 20px;
      margin-bottom: 18px;
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.25;
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .feature-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
    }

    .flash-zone {
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #fff 0%, #fff2dd 56%, #ffe0c4 100%);
      border: 1px solid rgba(232, 93, 42, 0.18);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .countdown-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px 20px;
      background: var(--color-ink);
      color: #fff8ef;
    }

    .countdown-bar strong {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-size: 16px;
      font-weight: 950;
    }

    .countdown-timer {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 950;
      letter-spacing: 0.02em;
    }

    .time-box {
      min-width: 42px;
      text-align: center;
      padding: 7px 9px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .flash-body {
      padding: 22px;
    }

    .resource-track {
      display: flex;
      gap: 14px;
      overflow-x: auto;
      padding: 4px 4px 16px;
      scrollbar-width: thin;
      scrollbar-color: rgba(232, 93, 42, 0.5) rgba(31, 26, 23, 0.08);
    }

    .resource-card {
      flex: 0 0 260px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(31, 26, 23, 0.10);
      box-shadow: var(--shadow-sm);
    }

    .resource-card h3 {
      margin: 12px 0 8px;
      font-size: 18px;
      font-weight: 950;
      line-height: 1.25;
    }

    .resource-card p {
      min-height: 52px;
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .stock {
      margin: 16px 0 14px;
    }

    .stock-top {
      display: flex;
      justify-content: space-between;
      color: var(--color-primary-dark);
      font-size: 12px;
      font-weight: 950;
      margin-bottom: 7px;
    }

    .stock-line {
      height: 9px;
      border-radius: 999px;
      background: rgba(31, 26, 23, 0.08);
      overflow: hidden;
    }

    .stock-line span {
      display: block;
      height: 100%;
      width: 38%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--color-red), var(--color-gold));
    }

    .button-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .mini-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 950;
      color: #fff;
      background: var(--color-primary);
      border: 1px solid transparent;
    }

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

    .mini-btn.secondary {
      background: rgba(31, 26, 23, 0.08);
      color: var(--color-ink);
      border-color: rgba(31, 26, 23, 0.10);
    }

    .mini-btn.secondary:hover {
      background: #fff;
      color: var(--color-primary-dark);
      border-color: rgba(232, 93, 42, 0.24);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 18px;
      align-items: stretch;
    }

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

    .matrix-item {
      padding: 22px;
      border-radius: 24px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .matrix-item h3 {
      margin: 12px 0 8px;
      font-size: 19px;
      font-weight: 950;
    }

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

    .promise-panel {
      border-radius: var(--radius-xl);
      padding: 24px;
      background: var(--color-secondary);
      color: #fff8ef;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 100%;
    }

    .promise-panel h2 {
      margin: 0;
      font-size: 30px;
      line-height: 1.18;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

    .promise-panel p {
      color: rgba(255, 248, 239, 0.72);
      margin: 12px 0 22px;
    }

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

    .promise-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

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

    .compare-wrap {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 18px;
      align-items: stretch;
    }

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

    .compare-story h2 {
      margin: 0 0 12px;
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

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

    .compare-cards {
      display: grid;
      gap: 12px;
    }

    .compare-card {
      display: grid;
      grid-template-columns: 44px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 17px;
      border-radius: 22px;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.88);
      box-shadow: var(--shadow-sm);
    }

    .compare-card i {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
    }

    .compare-card h3 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 950;
    }

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

    .compare-tag {
      color: var(--color-secondary);
      background: var(--color-secondary-soft);
      border-radius: 999px;
      padding: 7px 10px;
      font-size: 12px;
      font-weight: 950;
      white-space: nowrap;
    }

    .testimonial-band {
      border-radius: var(--radius-xl);
      padding: 30px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 239, 218, 0.92));
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
    }

    .testimonial-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: 18px;
      align-items: stretch;
      margin-top: 22px;
    }

    .story-card {
      padding: 26px;
      border-radius: 28px;
      background: var(--color-ink);
      color: #fff8ef;
      min-height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-card h3 {
      margin: 0 0 12px;
      font-size: 28px;
      line-height: 1.18;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

    .story-card p {
      color: rgba(255, 248, 239, 0.72);
      margin: 0;
    }

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

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

    .quote-card p {
      margin: 0 0 16px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .quote-person {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 950;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 950;
    }

    .media-scroll {
      display: flex;
      gap: 14px;
      overflow-x: auto;
      padding: 4px 4px 18px;
    }

    .media-card {
      flex: 0 0 310px;
      min-height: 220px;
      border-radius: 26px;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .media-art {
      height: 92px;
      padding: 16px;
      background:
        radial-gradient(circle at 20% 30%, rgba(245, 184, 75, 0.60), transparent 34%),
        linear-gradient(135deg, rgba(232, 93, 42, 0.88), rgba(31, 26, 23, 0.90));
      color: #fff8ef;
      display: flex;
      align-items: end;
      justify-content: space-between;
      font-weight: 950;
    }

    .media-card-body {
      padding: 18px;
    }

    .media-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.28;
      font-weight: 950;
    }

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

    .info-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 20px;
      align-items: start;
    }

    .news-list {
      padding: 10px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .news-link {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      border-bottom: 1px solid rgba(31, 26, 23, 0.08);
    }

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

    .news-link:hover {
      background: #fff6e8;
      transform: translateX(3px);
    }

    .news-date {
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 950;
    }

    .news-link h3 {
      margin: 0 0 5px;
      font-size: 18px;
      line-height: 1.28;
      font-weight: 950;
    }

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

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

    .recommend-panel {
      position: sticky;
      top: 24px;
      padding: 22px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .recommend-panel h3 {
      margin: 0 0 12px;
      font-size: 22px;
      font-weight: 950;
    }

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

    .recommend-list a {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: #fff8ef;
      color: var(--color-muted);
      font-size: 14px;
      border: 1px solid transparent;
    }

    .recommend-list a:hover {
      color: var(--color-primary-dark);
      background: #fff;
      border-color: rgba(232, 93, 42, 0.18);
      transform: translateY(-1px);
    }

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

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.72fr 1.28fr;
      gap: 20px;
      align-items: start;
    }

    .faq-aside {
      padding: 26px;
      border-radius: var(--radius-xl);
      background: var(--color-surface-2);
      border: 1px solid rgba(232, 93, 42, 0.14);
    }

    .faq-aside h2 {
      margin: 0 0 12px;
      font-size: 32px;
      line-height: 1.15;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

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

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

    .accordion-item {
      margin-bottom: 12px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--color-border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .accordion-title {
      border: 0;
      color: var(--color-ink);
      font-size: 17px;
      line-height: 1.45;
      font-weight: 950;
      padding: 19px 50px 19px 20px;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: #fff6e8;
      color: var(--color-primary-dark);
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -11px;
      font-size: 22px;
      color: var(--color-primary);
    }

    .accordion-content {
      border: 0;
      color: var(--color-muted);
      padding: 0 20px 20px;
      background: #fff;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      padding: clamp(26px, 5vw, 48px);
      background:
        radial-gradient(circle at 88% 12%, rgba(245, 184, 75, 0.42), transparent 30%),
        linear-gradient(135deg, var(--color-secondary), #241812);
      color: #fff8ef;
      box-shadow: var(--shadow-lg);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -160px;
      bottom: -210px;
      border-radius: 50%;
      background: rgba(232, 93, 42, 0.38);
    }

    .cta-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 26px;
      align-items: center;
    }

    .cta-copy h2 {
      margin: 0;
      font-size: clamp(30px, 4.4vw, 56px);
      line-height: 1.08;
      letter-spacing: -0.06em;
      font-weight: 950;
    }

    .cta-copy p {
      margin: 18px 0 0;
      max-width: 740px;
      color: rgba(255, 248, 239, 0.74);
      font-size: 17px;
    }

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

    .cta-checks span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.13);
      color: rgba(255, 248, 239, 0.88);
      font-size: 13px;
      font-weight: 800;
    }

    .cta-form {
      padding: 20px;
      border-radius: 28px;
      background: rgba(255, 255, 255, 0.95);
      color: var(--color-ink);
      border: 1px solid rgba(255, 255, 255, 0.40);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.20);
    }

    .cta-form h3 {
      margin: 0 0 12px;
      font-size: 22px;
      font-weight: 950;
    }

    .site-footer {
      margin-left: var(--sidebar-width);
      padding: 38px 0 42px;
      background: rgba(31, 26, 23, 0.96);
      color: rgba(255, 248, 239, 0.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      gap: 12px;
      align-items: center;
      color: #fff8ef;
      font-weight: 950;
      font-size: 18px;
    }

    .footer-brand .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
    }

    .footer-desc {
      max-width: 760px;
      margin: 14px 0 0;
      color: rgba(255, 248, 239, 0.62);
      font-size: 14px;
    }

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

    .footer-links a {
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(255, 248, 239, 0.72);
      font-weight: 800;
      font-size: 13px;
    }

    .footer-links a:hover {
      background: rgba(255, 255, 255, 0.14);
      color: #fff;
    }

    .copyright {
      margin-top: 24px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.10);
      font-size: 13px;
      color: rgba(255, 248, 239, 0.48);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    @media (max-width: 1180px) {
      .hero-grid {
        grid-template-columns: 1fr 0.95fr;
      }

      .download-card {
        grid-column: 1 / -1;
      }

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

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

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

      .cta-form {
        max-width: 560px;
      }
    }

    @media (max-width: 1024px) {
      :root {
        --sidebar-width: 248px;
      }

      .sidebar {
        width: var(--sidebar-width);
      }

      .feature-layout,
      .matrix-grid,
      .compare-wrap,
      .testimonial-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

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

      .recommend-panel {
        position: static;
      }
    }

    @media (max-width: 768px) {
      body.nav-open {
        overflow: hidden;
      }

      .mobile-topbar {
        display: block;
      }

      .sidebar {
        transform: translateX(-105%);
        transition: transform 220ms ease;
        width: min(86vw, 318px);
      }

      body.nav-open .sidebar {
        transform: translateX(0);
      }

      body.nav-open .nav-overlay {
        display: block;
      }

      .main-area,
      .site-footer {
        margin-left: 0;
      }

      .page-wrap {
        width: min(100% - 32px, var(--container));
      }

      .section {
        padding: 42px 0;
      }

      .hero {
        padding-top: 18px;
      }

      .hero-panel,
      .cta-panel {
        border-radius: 28px;
        padding: 22px;
      }

      .hero-panel::after {
        inset: 10px;
        border-radius: 22px;
      }

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

      .whitepaper-cover {
        min-height: 330px;
      }

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

      .section-head {
        display: block;
      }

      .feature-cards,
      .service-matrix,
      .quote-grid {
        grid-template-columns: 1fr;
      }

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

      .news-date {
        grid-column: 1 / -1;
      }

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

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

    @media (max-width: 520px) {
      .brand-name,
      .mobile-logo span {
        max-width: 190px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }

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

      .btn,
      .mini-btn {
        width: 100%;
      }

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

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

      .countdown-timer {
        width: 100%;
        justify-content: space-between;
        gap: 5px;
      }

      .time-box {
        min-width: 38px;
        padding: 6px 7px;
      }

      .resource-card,
      .media-card {
        flex-basis: 86%;
      }

      .compare-card {
        grid-template-columns: 42px 1fr;
      }

      .compare-tag {
        grid-column: 1 / -1;
        justify-self: start;
      }

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

      .copyright {
        display: block;
      }

      .copyright span {
        display: block;
        margin-bottom: 6px;
      }
    }