/* roulang page: index */
:root {
      --primary: #C86D7A;
      --primary-hover: #b55c69;
      --secondary: #8C3B4A;
      --secondary-dark: #6e2c39;
      --accent: #7FA99B;
      --accent-light: #eef5f2;
      --bg-base: #FAF7F5;
      --bg-card: #FFFFFF;
      --bg-dark: #2D2327;
      --text-main: #4A3E42;
      --text-muted: #7E6F74;
      --text-light: #FDF8F7;
      --text-light-sub: #D8C7C9;
      --border-soft: #F0E8E6;
      --border-accent: rgba(200, 109, 122, 0.25);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --shadow-sm: 0 4px 12px -2px rgba(45, 35, 39, 0.04);
      --shadow-md: 0 10px 30px -5px rgba(200, 109, 122, 0.1), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
      --shadow-lg: 0 20px 40px -10px rgba(140, 59, 74, 0.15);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(250, 247, 245, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-soft);
    }

    .top-bar {
      background: #F4ECE9;
      font-size: 13px;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px solid rgba(200, 109, 122, 0.1);
    }

    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .top-bar-tags {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    .top-bar-tags span {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .nav-main {
      padding: 14px 0;
    }

    .nav-main .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }

    .brand-logo-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(200, 109, 122, 0.3);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
      padding: 6px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--secondary);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
      border-radius: 2px;
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--secondary);
      color: #fff;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(140, 59, 74, 0.2);
    }

    .btn-header-cta:hover {
      background: var(--secondary-dark);
      transform: translateY(-1px);
    }

    /* 移动端汉堡按钮 */
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      font-size: 22px;
      color: var(--secondary);
    }

    /* 通用板块排版 */
    section {
      padding: 84px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(200, 109, 122, 0.12);
      color: var(--secondary);
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 按钮规范 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--secondary);
      color: #fff;
      padding: 13px 32px;
      border-radius: var(--radius-full);
      font-size: 15px;
      font-weight: 600;
      box-shadow: 0 8px 20px rgba(140, 59, 74, 0.25);
      border: 1px solid var(--secondary);
      cursor: pointer;
    }

    .btn-primary:hover {
      background: var(--secondary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(140, 59, 74, 0.3);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      color: var(--secondary);
      padding: 13px 32px;
      border-radius: var(--radius-full);
      font-size: 15px;
      font-weight: 600;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      cursor: pointer;
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      background: #FAF5F5;
      transform: translateY(-2px);
    }

    /* 板块一：Hero 首屏 */
    .hero-section {
      padding: 60px 0 80px;
      background: linear-gradient(180deg, #FBF8F6 0%, #F5ECE9 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 20px;
    }

    .hero-desc {
      font-size: 16px;
      color: var(--text-main);
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 620px;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      align-items: center;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .hero-badges-row {
      display: flex;
      gap: 20px;
      align-items: center;
      padding-top: 24px;
      border-top: 1px solid rgba(200, 109, 122, 0.2);
    }

    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .badge-icon-box {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-full);
      background: #FFFFFF;
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 14px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.4;
      margin: 0;
    }

    .hero-badge-item strong {
      display: block;
      color: var(--text-main);
      font-size: 14px;
    }

    .hero-stage {
      position: relative;
    }

    .hero-image-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 6px solid #FFFFFF;
      height: 460px;
    }

    .hero-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-floating-card {
      position: absolute;
      bottom: -20px;
      left: -20px;
      background: #FFFFFF;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      gap: 14px;
      border-left: 4px solid var(--accent);
    }

    .floating-card-num {
      font-size: 28px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1;
    }

    .floating-card-info {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.35;
    }

    /* 板块二：科研背景与质控 */
    .science-section {
      background: #FFFFFF;
    }

    .science-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 56px;
      align-items: center;
    }

    .science-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      position: relative;
      height: 420px;
    }

    .science-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .science-cert-tag {
      position: absolute;
      top: 20px;
      right: 20px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(4px);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      box-shadow: var(--shadow-sm);
    }

    .science-content h2 {
      font-size: 30px;
      color: var(--secondary);
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .science-content p {
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 24px;
      line-height: 1.8;
    }

    .science-specs-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .spec-item {
      padding: 16px;
      background: var(--bg-base);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
    }

    .spec-item-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 6px;
    }

    .spec-item-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块三：核心优势矩阵 (6卡片) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .adv-card {
      background: #FFFFFF;
      padding: 32px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-accent);
    }

    .adv-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(200, 109, 122, 0.1);
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 20px;
    }

    .adv-card h3 {
      font-size: 19px;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块四：方案精选 (3卡片) */
    .plans-section {
      background: #FFFFFF;
    }

    .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .plan-card {
      background: var(--bg-base);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .plan-card.highlight {
      background: #FFFFFF;
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-8px);
    }

    .plan-featured-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--secondary);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 18px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 8px rgba(140, 59, 74, 0.3);
    }

    .plan-target {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }

    .plan-card h3 {
      font-size: 22px;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .plan-brief {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .plan-specs {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }

    .plan-specs li {
      font-size: 14px;
      color: var(--text-main);
      padding: 8px 0;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px dashed rgba(200, 109, 122, 0.15);
    }

    .plan-specs li::before {
      content: "✓";
      color: var(--accent);
      font-weight: bold;
    }

    /* 板块五：深色对比理念区 */
    .philosophy-section {
      background: var(--bg-dark);
      color: var(--text-light);
      padding: 96px 0;
    }

    .philosophy-inner {
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }

    .philosophy-badge {
      display: inline-block;
      padding: 6px 18px;
      background: rgba(200, 109, 122, 0.2);
      color: #F8C0C8;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .philosophy-inner h2 {
      font-size: 34px;
      color: #FFFFFF;
      margin-bottom: 24px;
      line-height: 1.35;
    }

    .philosophy-inner p {
      font-size: 16px;
      color: var(--text-light-sub);
      line-height: 1.9;
      margin-bottom: 40px;
    }

    .philosophy-triad {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      text-align: left;
    }

    .triad-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px;
      border-radius: var(--radius-md);
    }

    .triad-card h4 {
      font-size: 18px;
      color: #FFFFFF;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .triad-card h4 span {
      color: var(--accent);
    }

    .triad-card p {
      font-size: 13.5px;
      color: var(--text-light-sub);
      line-height: 1.65;
      margin: 0;
    }

    /* 板块六：4步方案路径 */
    .steps-section {
      background: var(--bg-base);
    }

    .steps-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      padding: 30px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      font-size: 32px;
      font-weight: 800;
      color: rgba(200, 109, 122, 0.2);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-card h3 {
      font-size: 18px;
      color: var(--secondary);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块七：关键数据条 */
    .stats-section {
      background: linear-gradient(135deg, var(--secondary) 0%, #682935 100%);
      color: #FFFFFF;
      padding: 64px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .stat-item {
      padding: 10px 16px;
      border-right: 1px solid rgba(255, 255, 255, 0.15);
    }

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

    .stat-val {
      font-size: 40px;
      font-weight: 800;
      line-height: 1;
      margin-bottom: 8px;
      color: #FFFFFF;
    }

    .stat-val span {
      font-size: 20px;
      color: #F8C0C8;
      font-weight: 600;
    }

    .stat-label {
      font-size: 15px;
      font-weight: 600;
      color: #FDF8F7;
      margin-bottom: 4px;
    }

    .stat-desc {
      font-size: 12px;
      color: var(--text-light-sub);
    }

    /* 板块八：蜕变案例墙 (2列图文不对称) */
    .cases-section {
      background: #FFFFFF;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .case-card {
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg-base);
      display: flex;
      flex-direction: column;
    }

    .case-card-thumb {
      height: 240px;
      position: relative;
    }

    .case-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(45, 35, 39, 0.85);
      color: #fff;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 500;
    }

    .case-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-body h3 {
      font-size: 20px;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .case-body p {
      font-size: 14.5px;
      color: var(--text-main);
      line-height: 1.75;
      margin-bottom: 20px;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 16px;
      border-top: 1px solid var(--border-soft);
      font-size: 13px;
      color: var(--text-muted);
    }

    .case-meta span strong {
      color: var(--accent);
    }

    /* 板块九：用户口碑 */
    .testimonials-section {
      background: var(--bg-base);
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: #FFFFFF;
      padding: 32px 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .testi-stars {
      color: #E29B4A;
      font-size:16px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }

    .testi-quote {
      font-size: 14.5px;
      color: var(--text-main);
      line-height: 1.75;
      margin-bottom: 24px;
      flex-grow: 1;
      position: relative;
    }

    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px dashed var(--border-soft);
    }

    .testi-avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-full);
      background: rgba(200, 109, 122, 0.15);
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .testi-meta h4 {
      font-size: 14px;
      color: var(--secondary);
      margin-bottom: 2px;
    }

    .testi-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块十：健康科普 */
    .articles-section {
      background: #FFFFFF;
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .article-card {
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-base);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .article-img-wrap {
      height: 190px;
    }

    .article-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .article-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .article-tag {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 600;
      margin-bottom: 8px;
      display: inline-block;
    }

    .article-body h3 {
      font-size: 17px;
      color: var(--secondary);
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .article-body p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .article-date {
      font-size: 12px;
      color: #A3969A;
    }

    .articles-cta-wrap {
      text-align: center;
      margin-top: 40px;
    }

    /* 板块十一：FAQ 手风琴 */
    .faq-section {
      background: var(--bg-base);
    }

    .faq-container {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      transition: var(--transition);
    }

    .faq-question:hover {
      background: #FDF9F8;
    }

    .faq-question h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--secondary);
      margin: 0;
      padding-right: 16px;
    }

    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.3s ease;
      line-height: 1;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease;
      background: #FAF7F5;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 24px;
      border-top: 1px dashed var(--border-soft);
    }

    .faq-answer p {
      font-size: 14.5px;
      color: var(--text-main);
      line-height: 1.8;
      margin: 0;
    }

    /* 板块十二：行动呼吁 CTA 与保障条 */
    .cta-section {
      background: #FFFFFF;
      padding-bottom: 96px;
    }

    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 56px;
      padding-bottom: 48px;
      border-bottom: 1px solid var(--border-soft);
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .guarantee-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-full);
      background: rgba(127, 169, 155, 0.15);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: bold;
      flex-shrink: 0;
    }

    .guarantee-text h4 {
      font-size: 15px;
      color: var(--secondary);
      margin-bottom: 4px;
    }

    .guarantee-text p {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.4;
      margin: 0;
    }

    .cta-box-card {
      background: linear-gradient(135deg, #FAF4F3 0%, #F5ECE9 100%);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
      box-shadow: var(--shadow-md);
    }

    .cta-info h2 {
      font-size: 30px;
      color: var(--secondary);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .cta-info p {
      font-size: 15px;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .cta-phone-highlight {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--secondary);
    }

    .form-wrapper {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-soft);
    }

    .form-wrapper h3 {
      font-size: 18px;
      color: var(--secondary);
      margin-bottom: 18px;
      text-align: center;
    }

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

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-label span {
      color: #E25C5C;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      background: #FAF8F7;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(200, 109, 122, 0.15);
    }

    .form-privacy-check {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .form-privacy-check input {
      margin-top: 3px;
    }

    .btn-submit {
      width: 100%;
      padding: 13px;
      border: none;
      border-radius: var(--radius-full);
      background: var(--secondary);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      box-shadow: 0 6px 16px rgba(140, 59, 74, 0.25);
      transition: var(--transition);
    }

    .btn-submit:hover {
      background: var(--secondary-dark);
      transform: translateY(-2px);
    }

    /* 页脚 */
    .site-footer {
      background: var(--bg-dark);
      color: var(--text-light-sub);
      padding: 72px 0 0;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.9fr 1.1fr 1fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-col h4 {
      font-size: 16px;
      color: #FFFFFF;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary);
    }

    .footer-brand-title {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: inline-block;
    }

    .footer-about-text {
      line-height: 1.8;
      font-size: 13.5px;
      color: var(--text-light-sub);
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: var(--text-light-sub);
      transition: var(--transition);
    }

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

    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 13.5px;
    }

    .footer-contact-list li {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .footer-contact-list strong {
      color: #FFFFFF;
      font-size: 13px;
    }

    .footer-disclaimer-box {
      background: rgba(255, 255, 255, 0.04);
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 12.5px;
      line-height: 1.6;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 24px 0;
      font-size: 13px;
      text-align: center;
      color: rgba(216, 199, 201, 0.6);
    }

    .footer-bottom-bar a {
      color: inherit;
    }

    .footer-bottom-bar a:hover {
      color: #FFFFFF;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-stage {
        max-width: 600px;
        margin: 0 auto;
      }
      .science-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-box-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FAF7F5;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-soft);
        box-shadow: var(--shadow-md);
        gap: 16px;
      }
      .nav-menu.open {
        display: flex;
      }
      .btn-header-cta {
        display: none;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .advantages-grid,
      .plans-grid,
      .philosophy-triad,
      .stats-grid,
      .cases-grid,
      .testimonials-grid,
      .articles-grid,
      .guarantee-bar {
        grid-template-columns: 1fr;
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        padding-bottom: 20px;
      }
      .stat-item:last-child {
        border-bottom: none;
      }
      .cta-box-card {
        padding: 32px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
    }