/* roulang page: index */
:root {
      --primary: #2D1E18;
      --brand-gradient: linear-gradient(135deg, #C28251 0%, #E5A875 100%);
      --accent: #4A6B6C;
      --bg-base: #FDFBF7;
      --bg-alt: #F4EFEA;
      --bg-dark: #19120F;
      --text-head: #1B120E;
      --text-body: #4A3E39;
      --text-muted: #8C7E77;
      --card-radius: 24px;
      --inner-radius: 12px;
      --pill-radius: 9999px;
      --shadow-soft: 0 16px 32px -8px rgba(45, 30, 24, 0.06), 0 4px 12px -2px rgba(45, 30, 24, 0.03);
      --shadow-hover: 0 20px 40px -6px rgba(45, 30, 24, 0.12), 0 6px 16px -2px rgba(194, 130, 81, 0.15);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--inner-radius);
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
      border: none;
      outline: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* 顶部双行导航 */
    .top-bar {
      background-color: var(--bg-dark);
      color: #D3C7C0;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-notice {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .top-badge {
      background: rgba(194, 130, 81, 0.2);
      color: #E5A875;
      padding: 2px 8px;
      border-radius: var(--pill-radius);
      font-size: 0.75rem;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(253, 251, 247, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(45, 30, 24, 0.06);
    }

    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      background: var(--brand-gradient);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(194, 130, 81, 0.3);
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
    }

    .nav-item a {
      color: var(--text-head);
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding: 6px 0;
    }

    .nav-item a:hover {
      color: #C28251;
    }

    .nav-item a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--brand-gradient);
      transition: var(--transition);
    }

    .nav-item a:hover::after {
      width: 100%;
    }

    .btn-gradient {
      background: var(--brand-gradient);
      color: #FFF;
      padding: 12px 24px;
      border-radius: var(--pill-radius);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      box-shadow: 0 8px 20px -4px rgba(194, 130, 81, 0.4);
      cursor: pointer;
      transition: var(--transition);
      min-height: 48px;
    }

    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px -4px rgba(194, 130, 81, 0.5);
    }

    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      padding: 12px 24px;
      border-radius: var(--pill-radius);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      min-height: 48px;
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #FFF;
      transform: translateY(-2px);
    }

    /* 板块通用间距 */
    .section-pad {
      padding: 96px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-alt);
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: #F4EFEA;
    }

    .sec-head {
      margin-bottom: 56px;
      max-width: 820px;
    }

    .sec-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .sec-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(194, 130, 81, 0.12);
      color: #C28251;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: var(--pill-radius);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-dark .sec-badge {
      background: rgba(194, 130, 81, 0.25);
      color: #E5A875;
    }

    .sec-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-head);
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .section-dark .sec-title {
      color: #FFF;
    }

    .sec-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    .section-dark .sec-desc {
      color: #B5A8A0;
    }

    /* 大圆角卡片 */
    .card-panel {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 36px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(45, 30, 24, 0.05);
      transition: var(--transition);
    }

    .card-panel:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(194, 130, 81, 0.3);
    }

    /* 板块 1: Hero 对比首屏 */
    .hero-section {
      padding: 70px 0 90px;
      background: radial-gradient(circle at 10% 20%, rgba(229, 168, 117, 0.15) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(74, 107, 108, 0.1) 0%, transparent 45%);
    }

    .hero-split {
      display: grid;
      grid-template-columns: 1.05fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .hero-text h1 {
      font-size: 3rem;
      font-weight: 900;
      color: var(--text-head);
      line-height: 1.2;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-text h1 span {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-intro {
      font-size: 1.15rem;
      color: var(--text-body);
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .hero-btns {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .hero-compare-stage {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      background: #FFFFFF;
      padding: 16px;
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(45, 30, 24, 0.06);
    }

    .compare-box {
      border-radius: var(--inner-radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .compare-label {
      padding: 10px 14px;
      font-weight: 700;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .compare-before .compare-label {
      background: #ECE5DE;
      color: #6C5B52;
    }

    .compare-after .compare-label {
      background: var(--primary);
      color: #E5A875;
    }

    .compare-img-wrap {
      height: 220px;
      position: relative;
    }

    .compare-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    .compare-caption {
      padding: 12px;
      font-size: 0.85rem;
      line-height: 1.5;
      background: #FAF7F2;
      flex-grow: 1;
    }

    /* 板块 2: 痛点剖析 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pain-card {
      background: #FFF;
      border-left: 4px solid #D9534F;
      border-radius: var(--card-radius);
      padding: 32px;
      box-shadow: var(--shadow-soft);
    }

    .pain-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: #D9534F;
      margin-bottom: 12px;
    }

    .pain-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-head);
      margin-bottom: 12px;
    }

    .pain-desc {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 3: 架构与技术条件 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 44px;
      align-items: center;
    }

    .spec-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }

    .spec-icon {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(194, 130, 81, 0.15);
      color: #C28251;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.2rem;
    }

    .spec-content h4 {
      font-size: 1.15rem;
      color: var(--text-head);
      margin-bottom: 6px;
    }

    .spec-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 4: 核心六大功能 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .matrix-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 32px;
      border: 1px solid rgba(45, 30, 24, 0.06);
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
    }

    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(194, 130, 81, 0.3);
    }

    .matrix-badge {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 6px;
      background: rgba(74, 107, 108, 0.12);
      color: var(--accent);
      font-weight: 700;
      font-size: 0.8rem;
      margin-bottom: 16px;
    }

    .matrix-card h3 {
      font-size: 1.25rem;
      color: var(--text-head);
      margin-bottom: 12px;
    }

    .matrix-card p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 5: 重点解决方案套件 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .sol-card {
      background: #FFF;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      border: 1px solid rgba(45, 30, 24, 0.05);
      transition: var(--transition);
    }

    .sol-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .sol-img-wrap {
      height: 200px;
      width: 100%;
      overflow: hidden;
    }

    .sol-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      transition: transform 0.5s ease;
    }

    .sol-card:hover .sol-img-wrap img {
      transform: scale(1.05);
    }

    .sol-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .sol-body h3 {
      font-size: 1.3rem;
      color: var(--text-head);
      margin-bottom: 12px;
    }

    .sol-body p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .sol-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .sol-tag {
      background: var(--bg-alt);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.8rem;
      color: var(--text-body);
    }

    /* 板块 6: 四步工作流 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      padding: 30px 24px;
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(45, 30, 24, 0.05);
      position: relative;
    }

    .step-num-badge {
      width: 44px;
      height: 44px;
      background: var(--brand-gradient);
      color: #FFF;
      font-weight: 800;
      font-size: 1.25rem;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      box-shadow: 0 4px 12px rgba(194, 130, 81, 0.35);
    }

    .step-card h3 {
      font-size: 1.15rem;
      color: var(--text-head);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 7: 沉浸式木作美学与数字化 */
    .wood-craft-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .craft-visual {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }

    .craft-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    .craft-highlight {
      position: absolute;
      bottom: 24px;
      left: 24px;
      right: 24px;
      background: rgba(25, 18, 15, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: 12px;
      border: 1px solid rgba(229, 168, 117, 0.3);
      color: #F4EFEA;
      font-size: 0.9rem;
    }

    /* 板块 8: 数据指标条 */
    .stats-container {
      margin-top: -40px;
      position: relative;
      z-index: 10;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 36px 24px;
      box-shadow: 0 20px 45px -10px rgba(45, 30, 24, 0.15);
      border: 1px solid rgba(194, 130, 81, 0.2);
    }

    .stat-box {
      text-align: center;
      padding: 0 16px;
      border-right: 1px solid rgba(45, 30, 24, 0.08);
    }

    .stat-box:last-child {
      border-right: none;
    }

    .stat-number {
      font-size: 2.6rem;
      font-weight: 900;
      color: #C28251;
      line-height: 1.1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }

    .stat-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-head);
      margin-bottom: 4px;
    }

    .stat-sub {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块 9: 落地量化实录 */
    .case-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .case-metrics-card {
      background: #FFF;
      border-radius: var(--card-radius);
      padding: 32px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(45, 30, 24, 0.05);
    }

    .metric-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0;
      border-bottom: 1px solid rgba(45, 30, 24, 0.06);
    }

    .metric-row:last-child {
      border-bottom: none;
    }

    .metric-name {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-head);
    }

    .metric-vals {
      text-align: right;
    }

    .metric-old {
      font-size: 0.85rem;
      color: #8C7E77;
      text-decoration: line-through;
      margin-right: 8px;
    }

    .metric-new {
      font-size: 1.15rem;
      font-weight: 800;
      color: #2E7D32;
    }

    /* 板块 10: 决策者评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-bubble {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 32px;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid rgba(45, 30, 24, 0.06);
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 24px;
      position: relative;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .reviewer-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #C28251;
      border: 2px solid #E5A875;
    }

    .reviewer-info h4 {
      font-size: 0.95rem;
      color: var(--text-head);
      margin-bottom: 2px;
    }

    .reviewer-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块 11: 适用人群与场景 */
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .aud-card {
      background: #FFFFFF;
      border-radius: 18px;
      padding: 24px;
      border: 1px solid rgba(45, 30, 24, 0.06);
      text-align: center;
      transition: var(--transition);
    }

    .aud-card:hover {
      border-color: #C28251;
      transform: translateY(-4px);
    }

    .aud-icon {
      width: 52px;
      height: 52px;
      background: var(--bg-alt);
      color: #C28251;
      border-radius: 50%;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
    }

    .aud-card h3 {
      font-size: 1.1rem;
      color: var(--text-head);
      margin-bottom: 10px;
    }

    .aud-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 12: 行业动态与前沿 */
    .insight-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(45, 30, 24, 0.05);
      display: flex;
      flex-direction: column;
    }

    .insight-img {
      height: 180px;
      overflow: hidden;
    }

    .insight-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    .insight-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .insight-tag {
      font-size: 0.75rem;
      color: #C28251;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .insight-content h3 {
      font-size: 1.15rem;
      color: var(--text-head);
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .insight-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    /* 板块 13: 常见疑问手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border-radius: 16px;
      margin-bottom: 16px;
      border: 1px solid rgba(45, 30, 24, 0.06);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .faq-question {
      width: 100%;
      padding: 22px 28px;
      text-align: left;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-head);
      background: transparent;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon-cross {
      font-size: 1.3rem;
      color: #C28251;
      transition: transform 0.3s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 28px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 28px 22px 28px;
    }

    .faq-item.active .faq-icon-cross {
      transform: rotate(45deg);
    }

    /* 底部转化表单横幅 */
    .cta-banner {
      background: var(--bg-dark);
      border-radius: var(--card-radius);
      padding: 60px 48px;
      color: #FFF;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(194, 130, 81, 0.3);
      box-shadow: 0 24px 48px -12px rgba(25, 18, 15, 0.5);
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(194, 130, 81, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-inner-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .cta-info h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #FFF;
    }

    .cta-info p {
      color: #D3C7C0;
      font-size: 1.05rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .lead-form {
      background: #FFFFFF;
      padding: 32px;
      border-radius: 18px;
      color: var(--text-head);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-body);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: var(--bg-base);
      border: 1px solid rgba(45, 30, 24, 0.15);
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--text-head);
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: #C28251;
      background: #FFF;
    }

    .btn-submit {
      width: 100%;
      background: var(--brand-gradient);
      color: #FFF;
      font-weight: 700;
      padding: 14px;
      border-radius: var(--pill-radius);
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(194, 130, 81, 0.35);
      transition: var(--transition);
      margin-top: 8px;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(194, 130, 81, 0.45);
    }

    /* 页脚 */
    .site-footer {
      background: #140E0C;
      color: #A3968F;
      padding: 80px 0 32px;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255,255,255,0.05);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }

    .footer-col h4 {
      color: #FFF;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
    }

    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a:hover {
      color: #E5A875;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #7D7069;
    }

    /* 移动端菜单按钮与抽屉响应式 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      width: 44px;
      height: 44px;
      flex-direction: column;
      justify-content: center;
      gap: 6px;
      align-items: center;
    }

    .menu-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }

    /* 响应式断点控制 */
    @media (max-width: 992px) {
      .hero-split, .wood-craft-grid, .case-split, .cta-inner-grid, .arch-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
      }
      .stat-box:nth-child(2) {
        border-right: none;
      }
      .stat-box {
        border-right: 1px solid rgba(45, 30, 24, 0.08);
      }
      .pain-grid, .matrix-grid, .solution-grid, .reviews-grid, .insight-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps, .audience-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .container {
        padding: 0 20px;
      }
      .section-pad {
        padding: 64px 0;
      }
      .hero-text h1 {
        font-size: 2.2rem;
      }
      .hero-compare-stage {
        grid-template-columns: 1fr;
      }
      .pain-grid, .matrix-grid, .solution-grid, .reviews-grid, .insight-grid, .flow-steps, .audience-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .stat-box {
        border-right: none;
        border-bottom: 1px solid rgba(45, 30, 24, 0.08);
        padding-bottom: 16px;
      }
      .stat-box:last-child {
        border-bottom: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .cta-banner {
        padding: 36px 20px;
      }
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      position: fixed;
      top: 76px;
      left: 0;
      width: 100%;
      background: #FFFFFF;
      box-shadow: 0 20px 30px rgba(0,0,0,0.1);
      padding: 24px;
      display: none;
      flex-direction: column;
      gap: 18px;
      z-index: 999;
      border-bottom: 1px solid rgba(45, 30, 24, 0.1);
    }
    .mobile-drawer.open {
      display: flex;
    }
    .mobile-drawer a {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-head);
      padding: 8px 0;
    }