/* roulang page: index */
:root {
      --academic-slate: #143240;
      --navy-scholar: #1E425E;
      --accent-gold: #C5A059;
      --accent-gold-hover: #b08d48;
      --paper-white: #F8F9FA;
      --paper-cream: #F3F4F6;
      --dark-night: #0D1B2A;
      --text-main: #1C2731;
      --text-muted: #536573;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --card-shadow: 0 4px 20px -2px rgba(20, 50, 64, 0.06);
      --card-shadow-hover: 0 12px 30px -4px rgba(20, 50, 64, 0.12);
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-family);
      color: var(--text-main);
      background-color: var(--paper-white);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部双行导航系统 */
    .sticky-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #ffffff;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .top-bar {
      background-color: var(--academic-slate);
      color: #D1D5DB;
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .top-bar-info {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(197, 160, 89, 0.2);
      color: var(--accent-gold);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    .main-nav {
      height: 76px;
      display: flex;
      align-items: center;
    }

    .main-nav .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-symbol {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--academic-slate), var(--navy-scholar));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-gold);
      font-size: 1.25rem;
      font-weight: 700;
      border: 1px solid rgba(197, 160, 89, 0.3);
    }

    .brand-text-group {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--academic-slate);
      letter-spacing: 0.5px;
      line-height: 1.2;
    }

    .brand-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
      letter-spacing: 1px;
    }

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

    .nav-menu li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--academic-slate);
      padding: 8px 0;
      position: relative;
    }

    .nav-menu li a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent-gold);
      transition: width 0.25s ease;
    }

    .nav-menu li a:hover,
    .nav-menu li a.active {
      color: var(--accent-gold);
    }

    .nav-menu li a:hover::after,
    .nav-menu li a.active::after {
      width: 100%;
    }

    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 22px;
      background-color: var(--accent-gold);
      color: #ffffff !important;
      font-weight: 600;
      border-radius: 6px;
      box-shadow: 0 4px 12px rgba(197, 160, 89, 0.25);
    }

    .nav-cta-btn:hover {
      background-color: var(--accent-gold-hover);
      transform: translateY(-1px);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--academic-slate);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* Section 通用规范 */
    section {
      padding: 88px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent-gold);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 12px;
      background: rgba(197, 160, 89, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--academic-slate);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 1. 首屏 Banner 视觉区 (Hero Section) */
    .hero-section {
      position: relative;
      min-height: 640px;
      display: flex;
      align-items: center;
      background-color: var(--dark-night);
      background-image: linear-gradient(135deg, rgba(13, 27, 42, 0.94) 0%, rgba(20, 50, 64, 0.88) 100%), url('/assets/images/dee11275ae2b6658.webp');
      background-size: cover;
      background-position: center;
      color: #ffffff;
      padding: 96px 0 110px 0;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content {
      max-width: 660px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(197, 160, 89, 0.18);
      border: 1px solid rgba(197, 160, 89, 0.35);
      color: var(--accent-gold);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 24px;
      color: #ffffff;
    }

    .hero-title span {
      color: var(--accent-gold);
    }

    .hero-subtitle {
      font-size: 1.125rem;
      color: #E2E8F0;
      margin-bottom: 36px;
      line-height: 1.8;
    }

    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 168px;
      height: 48px;
      padding: 0 28px;
      background-color: var(--accent-gold);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 6px;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(197, 160, 89, 0.3);
      transition: all 0.25s ease;
    }

    .btn-primary:hover {
      background-color: var(--accent-gold-hover);
      transform: translateY(-2px);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 168px;
      height: 48px;
      padding: 0 28px;
      background: transparent;
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.4);
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #ffffff;
    }

    .hero-card-panel {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      border-radius: 12px;
      padding: 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    }

    .hero-card-panel h3 {
      font-size: 1.35rem;
      color: #ffffff;
      margin-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding-bottom: 12px;
    }

    .hero-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .hero-feature-dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(197, 160, 89, 0.25);
      color: var(--accent-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      margin-top: 3px;
      flex-shrink: 0;
    }

    .hero-feature-text strong {
      display: block;
      color: #ffffff;
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

    .hero-feature-text p {
      color: #CBD5E1;
      font-size: 0.85rem;
      line-height: 1.5;
    }

    /* 2. 痛点诊断与品牌资质介绍区 */
    .pain-points-section {
      background-color: #ffffff;
    }

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

    .pain-lead h3 {
      font-size: 1.85rem;
      color: var(--academic-slate);
      line-height: 1.4;
      margin-bottom: 20px;
    }

    .pain-lead p {
      color: var(--text-muted);
      font-size: 1rem;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .pain-issues {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .pain-issue-item {
      padding: 16px 20px;
      border-left: 4px solid #E53E3E;
      background: #FFF5F5;
      border-radius: 0 8px 8px 0;
    }

    .pain-issue-item h4 {
      font-size: 1rem;
      color: #9B2C2C;
      margin-bottom: 4px;
    }

    .pain-issue-item p {
      font-size: 0.875rem;
      color: #742A2A;
      margin-bottom: 0;
    }

    .auth-verify-card {
      background: var(--paper-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 36px;
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .auth-seal {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--navy-scholar);
      color: #ffffff;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.8125rem;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .auth-verify-card h3 {
      font-size: 1.5rem;
      color: var(--academic-slate);
      margin-bottom: 16px;
    }

    .auth-verify-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .verify-steps-mini {
      display: flex;
      flex-direction: column;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
    }

    .verify-step-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.875rem;
      color: var(--academic-slate);
      font-weight: 500;
    }

    .step-num-badge {
      width: 24px;
      height: 24px;
      background: var(--accent-gold);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
    }

    /* 3. 核心办学优势区 (6 卡片网格) */
    .advantages-section {
      background-color: var(--paper-cream);
    }

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

    .adv-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 32px 28px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

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

    .adv-icon {
      width: 52px;
      height: 52px;
      background: rgba(20, 50, 64, 0.05);
      border: 1px solid rgba(20, 50, 64, 0.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--navy-scholar);
      font-size: 1.5rem;
      font-weight: bold;
    }

    .adv-card h3 {
      font-size: 1.25rem;
      color: var(--academic-slate);
      margin-bottom: 12px;
      font-weight: 600;
    }

    .adv-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 4. 热门学历提升项目区 (3 列项目卡片) */
    .programs-section {
      background-color: #ffffff;
    }

    .programs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .program-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease;
    }

    .program-card:hover {
      transform: translateY(-4px);
    }

    .program-card-header {
      background: var(--navy-scholar);
      color: #ffffff;
      padding: 24px;
      position: relative;
    }

    .program-tag {
      display: inline-block;
      background: var(--accent-gold);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .program-card-header h3 {
      font-size: 1.4rem;
      color: #ffffff;
      font-weight: 700;
    }

    .program-meta {
      display: flex;
      gap: 16px;
      margin-top: 12px;
      font-size: 0.8125rem;
      color: #CBD5E1;
    }

    .program-body {
      padding: 28px 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .program-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .program-spec-list {
      list-style: none;
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      background: var(--paper-white);
      padding: 16px;
      border-radius: 8px;
    }

    .program-spec-item {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
    }

    .spec-label {
      color: var(--text-muted);
    }

    .spec-val {
      font-weight: 600;
      color: var(--academic-slate);
    }

    .program-btn {
      margin-top: auto;
      display: block;
      text-align: center;
      padding: 12px 0;
      background: var(--academic-slate);
      color: #ffffff;
      border-radius: 6px;
      font-weight: 600;
      font-size: 0.925rem;
    }

    .program-btn:hover {
      background: var(--accent-gold);
      color: #ffffff;
    }

    /* 5. 学术理念与深色教学体系区 */
    .framework-section {
      background: var(--dark-night);
      color: #ffffff;
      padding: 96px 0;
      position: relative;
      background-image: linear-gradient(180deg, rgba(13, 27, 42, 0.98), rgba(20, 50, 64, 0.96)), url('/assets/images/6713dd80b311f906.webp');
      background-size: cover;
      background-position: center;
    }

    .framework-section .section-title {
      color: #ffffff;
    }

    .framework-section .section-desc {
      color: #94A3B8;
    }

    .framework-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .framework-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      padding: 28px 20px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .framework-box:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--accent-gold);
      transform: translateY(-4px);
    }

    .box-step-id {
      display: inline-block;
      width: 40px;
      height: 40px;
      line-height: 40px;
      border-radius: 50%;
      background: rgba(197, 160, 89, 0.2);
      color: var(--accent-gold);
      font-weight: 700;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }

    .framework-box h4 {
      font-size: 1.15rem;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .framework-box p {
      font-size: 0.875rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 6. 学员成长与学历蜕变故事区 */
    .stories-section {
      background-color: var(--paper-white);
    }

    .story-card-group {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .story-card {
      background: #ffffff;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
    }

    .story-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .story-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .story-tag {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(20, 50, 64, 0.85);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }

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

    .story-body h3 {
      font-size: 1.15rem;
      color: var(--academic-slate);
      margin-bottom: 8px;
    }

    .story-meta-text {
      font-size: 0.825rem;
      color: var(--accent-gold);
      font-weight: 600;
      margin-bottom: 14px;
    }

    .story-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 7. 核心成果与关键数据统计条 */
    .metrics-section {
      background: var(--navy-scholar);
      color: #ffffff;
      padding: 60px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .metric-item {
      padding: 12px;
    }

    .metric-value {
      font-size: 2.75rem;
      font-weight: 700;
      color: var(--accent-gold);
      line-height: 1.2;
      margin-bottom: 6px;
      font-family: Georgia, serif, var(--font-family);
    }

    .metric-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 0.8125rem;
      color: #CBD5E1;
    }

    /* 8. 真实学员评价与口碑反馈区 */
    .reviews-section {
      background-color: #ffffff;
    }

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

    .review-card {
      background: var(--paper-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 28px 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-rating {
      color: #EAB308;
      font-size: 1.1rem;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }

    .review-content {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
    }

    .reviewer-profile {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--academic-slate);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .reviewer-meta h4 {
      font-size: 0.95rem;
      color: var(--academic-slate);
    }

    .reviewer-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 9. 行业动态与政策报考资讯区 */
    .news-section {
      background-color: var(--paper-cream);
    }

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

    .news-card {
      background: #ffffff;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      padding: 24px;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }

    .news-card:hover {
      border-color: var(--academic-slate);
      box-shadow: var(--card-shadow);
    }

    .news-date-tag {
      font-size: 0.8rem;
      color: var(--accent-gold);
      font-weight: 600;
      margin-bottom: 10px;
    }

    .news-card h3 {
      font-size: 1.15rem;
      color: var(--academic-slate);
      line-height: 1.45;
      margin-bottom: 12px;
    }

    .news-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-read-link {
      font-size: 0.85rem;
      color: var(--academic-slate);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-read-link:hover {
      color: var(--accent-gold);
    }

    /* 10. 学历提升报考与学习步骤区 */
    .methodology-section {
      background-color: #ffffff;
    }

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

    .step-card {
      background: var(--paper-white);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 28px 20px;
      position: relative;
    }

    .step-index-badge {
      font-size: 2rem;
      font-weight: 700;
      color: rgba(20, 50, 64, 0.12);
      position: absolute;
      top: 16px;
      right: 18px;
      line-height: 1;
    }

    .step-order {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: var(--academic-slate);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 18px;
    }

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

    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 11. 权威释疑与常见问题手风琴区 */
    .faq-section {
      background-color: var(--paper-cream);
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--academic-slate);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease;
      color: var(--accent-gold);
      font-weight: bold;
      font-size: 1.25rem;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      background-color: #FAFAFA;
      color: var(--text-muted);
      font-size: 0.925rem;
      line-height: 1.8;
    }

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

    /* 12. 底部高转化决策预约与行动倡议区 */
    .cta-banner-section {
      background: linear-gradient(135deg, var(--academic-slate) 0%, var(--dark-night) 100%);
      color: #ffffff;
      padding: 88px 0;
    }

    .cta-inner-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .cta-text-area h2 {
      font-size: 2.25rem;
      color: #ffffff;
      margin-bottom: 18px;
      line-height: 1.35;
    }

    .cta-text-area p {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .cta-feature-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .cta-check-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.925rem;
      color: #E2E8F0;
    }

    .cta-check-mark {
      color: var(--accent-gold);
      font-weight: bold;
    }

    .cta-form-card {
      background: #ffffff;
      border-radius: 12px;
      padding: 36px 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      color: var(--text-main);
    }

    .cta-form-card h3 {
      font-size: 1.35rem;
      color: var(--academic-slate);
      margin-bottom: 8px;
      text-align: center;
    }

    .cta-form-card .form-sub {
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--academic-slate);
      margin-bottom: 6px;
    }

    .form-input, .form-select {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      font-size: 0.925rem;
      font-family: inherit;
      color: var(--text-main);
      background-color: #ffffff;
      outline: none;
      transition: border-color 0.2s;
    }

    .form-input:focus, .form-select:focus {
      border-color: var(--academic-slate);
      box-shadow: 0 0 0 3px rgba(20, 50, 64, 0.1);
    }

    .form-submit-btn {
      width: 100%;
      height: 48px;
      background-color: var(--accent-gold);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(197, 160, 89, 0.35);
      transition: all 0.25s ease;
      margin-top: 8px;
    }

    .form-submit-btn:hover {
      background-color: var(--accent-gold-hover);
    }

    .form-privacy-note {
      font-size: 0.75rem;
      color: var(--text-light);
      text-align: center;
      margin-top: 14px;
      line-height: 1.5;
    }

    /* 页脚系统 */
    .site-footer {
      background-color: var(--dark-night);
      color: #CBD5E1;
      padding: 64px 0 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.875rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background: var(--accent-gold);
    }

    .footer-brand-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand-desc {
      font-size: 0.85rem;
      line-height: 1.7;
      color: #94A3B8;
      margin-bottom: 18px;
    }

    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 0.85rem;
    }

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

    .footer-links-list a:hover {
      color: var(--accent-gold);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 0.8125rem;
      color: #64748B;
      line-height: 1.8;
    }

    /* 响应式媒体查询断点 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.4rem;
      }
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .programs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .framework-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .story-card-group {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-inner-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        display: none;
        gap: 16px;
        border-top: 1px solid var(--border-color);
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-cta-btn {
        display: none;
      }
      section {
        padding: 56px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-title {
        font-size: 2rem;
      }
      .pain-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .advantages-grid {
        grid-template-columns: 1fr;
      }
      .programs-grid {
        grid-template-columns: 1fr;
      }
      .story-card-group {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .steps-flow {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }