/* roulang page: index */
/* CSS 设计变量与色彩体系 */
    :root {
      --bg-warm: #FBF9F5;
      --bg-pure: #FFFFFF;
      --bg-card: #FFFFFF;
      --bg-dark: #0F141C;
      --bg-subtle: #F4EFEB;
      
      --text-main: #1E2229;
      --text-muted: #525A68;
      --text-light: #8E98A5;
      --text-inverse: #F8FAFC;
      
      --brand-primary: #2A52BE;       /* 典雅群青蓝 */
      --brand-primary-hover: #1E3F9B;
      --brand-accent: #C85A32;        /* 陶土赭红 */
      --brand-gold: #D4AF37;          /* 艺术香槟金 */
      
      --border-color: rgba(30, 34, 41, 0.08);
      --border-focus: #2A52BE;
      
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-pill: 9999px;
      
      --shadow-sm: 0 2px 8px rgba(30, 34, 41, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(30, 34, 41, 0.08);
      --shadow-lg: 0 16px 36px -6px rgba(30, 34, 41, 0.12);
      
      --container-max: 1240px;
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

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

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

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

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

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

    /* 统一小徽章 & 标签 */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      font-size: 0.8125rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      letter-spacing: 0.02em;
    }
    .badge-primary {
      background-color: rgba(42, 82, 190, 0.08);
      color: var(--brand-primary);
      border: 1px solid rgba(42, 82, 190, 0.2);
    }
    .badge-accent {
      background-color: rgba(200, 90, 50, 0.1);
      color: var(--brand-accent);
      border: 1px solid rgba(200, 90, 50, 0.25);
    }
    .badge-gold {
      background-color: rgba(212, 175, 55, 0.15);
      color: #997818;
      border: 1px solid rgba(212, 175, 55, 0.35);
    }

    /* 统一按钮系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: all 0.25s ease;
      min-height: 46px;
      text-align: center;
      border: 1px solid transparent;
    }
    .btn-primary {
      background-color: var(--brand-primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(42, 82, 190, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--brand-primary-hover);
      box-shadow: 0 6px 18px rgba(42, 82, 190, 0.35);
      transform: translateY(-2px);
    }
    .btn-accent {
      background-color: var(--brand-accent);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(200, 90, 50, 0.25);
    }
    .btn-accent:hover {
      background-color: #AF4924;
      transform: translateY(-2px);
    }
    .btn-outline {
      background-color: transparent;
      color: var(--text-main);
      border-color: rgba(30, 34, 41, 0.2);
    }
    .btn-outline:hover {
      border-color: var(--brand-primary);
      color: var(--brand-primary);
      background-color: rgba(42, 82, 190, 0.04);
    }

    /* 顶部通知与信息条 */
    .top-bar {
      background-color: #171A21;
      color: #A6AFBC;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 主导航 */
    .main-nav-wrapper {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
      border-bottom: 1px solid var(--border-color);
    }
    .main-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .nav-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--brand-primary), #4872E7);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 800;
      font-size: 1.25rem;
      box-shadow: 0 4px 10px rgba(42, 82, 190, 0.28);
    }
    .nav-logo-text {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-main);
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }
    .nav-logo-sub {
      font-size: 0.72rem;
      color: var(--text-light);
      font-weight: 500;
      letter-spacing: 0.05em;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link:focus {
      color: var(--brand-primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background-color: var(--brand-primary);
      transition: width 0.2s ease;
    }
    .nav-link:hover::after {
      width: 100%;
    }
    .nav-cta-btn {
      padding: 10px 22px;
      font-size: 0.88rem;
    }

    /* 移动端菜单按钮与抽屉 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      width: 100%;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 12px 24px rgba(0,0,0,0.1);
      padding: 20px;
      flex-direction: column;
      gap: 16px;
      z-index: 999;
    }
    .mobile-drawer.active {
      display: flex;
    }
    .mobile-drawer a {
      font-weight: 600;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(0,0,0,0.06);
    }

    /* 通用板块版式 */
    .section-padding {
      padding: 84px 0;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 52px auto;
    }
    .section-header.text-left {
      text-align: left;
      margin-left: 0;
    }
    .section-header h2 {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.015em;
      margin-top: 14px;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块一：Hero 价值主张与限时抢座视觉区 */
    .hero-section {
      background: linear-gradient(180deg, #F5F1EA 0%, #FBF9F5 100%);
      padding: 40px 0 70px 0;
      position: relative;
      overflow: hidden;
    }
    /* 限时特惠秒杀横幅条 */
    .flash-alert-bar {
      background: #1E2229;
      color: #F8FAFC;
      border-radius: var(--radius-lg);
      padding: 12px 24px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      box-shadow: var(--shadow-md);
      border-left: 4px solid var(--brand-accent);
    }
    .flash-alert-content {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
    }
    .flash-countdown {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 700;
      color: var(--brand-gold);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.95rem;
      font-weight: 850;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin: 16px 0 20px 0;
      color: var(--text-main);
    }
    .hero-content h1 span {
      color: var(--brand-primary);
      position: relative;
    }
    .hero-intro {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.75;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .hero-trust-list {
      display: flex;
      align-items: center;
      gap: 24px;
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      flex-wrap: wrap;
    }
    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-muted);
    }
    .hero-stage-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      background-color: var(--bg-pure);
      border: 1px solid rgba(0, 0, 0, 0.06);
    }
    .hero-stage-card img {
      width: 100%;
      height: 440px;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hero-stage-card:hover img {
      transform: scale(1.03);
    }
    .hero-stage-badge-float {
      position: absolute;
      bottom: 24px;
      left: 24px;
      right: 24px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(0,0,0,0.12);
      border-left: 4px solid var(--brand-primary);
    }

    /* 板块二：品牌溯源与专业资质 */
    .brand-section {
      background-color: var(--bg-pure);
    }
    .brand-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .brand-gallery-collage {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 16px;
    }
    .brand-img-main {
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 380px;
      box-shadow: var(--shadow-md);
    }
    .brand-img-sub {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .brand-img-sub-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 182px;
      box-shadow: var(--shadow-sm);
    }
    .brand-intro-text p {
      font-size: 1.025rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.75;
    }
    .qualification-checklist {
      list-style: none;
      margin: 28px 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .qualification-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.925rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .qualification-item svg {
      flex-shrink: 0;
      color: var(--brand-primary);
      margin-top: 2px;
    }

    /* 板块三：课程矩阵区（3大热门卡片） */
    .courses-section {
      background-color: var(--bg-warm);
    }
    .course-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .course-card {
      background: var(--bg-pure);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .course-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(42, 82, 190, 0.25);
    }
    .course-img-wrap {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .course-img-wrap img {
      width: 100%;
      height: 100%;
      transition: transform 0.4s ease;
    }
    .course-card:hover .course-img-wrap img {
      transform: scale(1.05);
    }
    .course-tag-float {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 20, 28, 0.85);
      color: #ffffff;
      padding: 4px 10px;
      font-size: 0.78rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      backdrop-filter: blur(4px);
    }
    .course-body {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .course-body h3 {
      font-size: 1.3rem;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .course-desc {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.65;
      flex-grow: 1;
    }
    .course-meta-list {
      list-style: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      margin-bottom: 22px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .course-meta-item {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
    }
    .course-meta-item span:first-child {
      color: var(--text-light);
    }
    .course-meta-item span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 板块四：艺术培训核心教学优势六宫格 */
    .advantages-section {
      background-color: var(--bg-pure);
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      position: relative;
    }
    .adv-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: rgba(42, 82, 190, 0.3);
    }
    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(42, 82, 190, 0.08);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .adv-card h3 {
      font-size: 1.15rem;
      font-weight: 750;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .adv-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.68;
    }

    /* 板块五：大师工坊深色沉浸区 */
    .master-section {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      position: relative;
    }
    .master-grid {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 60px;
      align-items: center;
    }
    .master-media {
      position: relative;
    }
    .master-img {
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      height: 480px;
      width: 100%;
      object-fit: cover;
    }
    .master-quote-card {
      position: absolute;
      bottom: -24px;
      right: -24px;
      background: rgba(30, 34, 41, 0.94);
      border: 1px solid rgba(212, 175, 55, 0.35);
      padding: 20px 24px;
      border-radius: var(--radius-md);
      max-width: 320px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    }
    .master-content h2 {
      color: #FFFFFF;
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.28;
      margin: 16px 0 22px 0;
    }
    .master-content p {
      color: #A0AEC0;
      font-size: 1.025rem;
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .master-pillars {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 32px;
    }
    .pillar-box {
      border-left: 3px solid var(--brand-gold);
      padding-left: 16px;
    }
    .pillar-box h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      margin-bottom: 6px;
    }
    .pillar-box p {
      font-size: 0.85rem;
      color: #8E98A5;
      margin: 0;
    }

    /* 板块六：学员艺术作品与成果画廊 */
    .showcase-section {
      background-color: var(--bg-warm);
    }
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .portfolio-card {
      background: var(--bg-pure);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .portfolio-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }
    .portfolio-img-box {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .portfolio-img-box img {
      width: 100%;
      height: 100%;
      transition: transform 0.4s ease;
    }
    .portfolio-card:hover .portfolio-img-box img {
      transform: scale(1.08);
    }
    .portfolio-info {
      padding: 18px 20px;
    }
    .portfolio-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .portfolio-author {
      font-size: 0.825rem;
      color: var(--text-light);
      margin-bottom: 10px;
    }
    .portfolio-badge {
      display: inline-block;
      font-size: 0.75rem;
      padding: 2px 8px;
      background: rgba(42, 82, 190, 0.08);
      color: var(--brand-primary);
      border-radius: 4px;
      font-weight: 600;
    }

    /* 板块七：五步教学交付闭环流程 */
    .pathway-section {
      background-color: var(--bg-pure);
    }
    .pathway-flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }
    .pathway-step {
      background: var(--bg-warm);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }
    .pathway-number {
      font-size: 1.75rem;
      font-weight: 900;
      color: rgba(42, 82, 190, 0.25);
      line-height: 1;
      margin-bottom: 14px;
    }
    .pathway-step h4 {
      font-size: 1.1rem;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .pathway-step p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块八：可量化办学成果数据条 */
    .metrics-bar-section {
      background: linear-gradient(135deg, #1E2229 0%, #2A303C 100%);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-item {
      padding: 12px 16px;
      border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-number {
      font-size: 2.75rem;
      font-weight: 850;
      letter-spacing: -0.02em;
      color: var(--brand-gold);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 4px;
      color: #F8FAFC;
    }
    .metric-sub {
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    /* 板块九：真实口碑与家长评价墙 */
    .testimonials-section {
      background-color: var(--bg-warm);
    }
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .testi-card {
      background: var(--bg-pure);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }
    .testi-quote {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .testi-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--brand-primary);
      flex-shrink: 0;
    }
    .testi-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-meta p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 板块十：透明收费标准与套餐对比 */
    .pricing-section {
      background-color: var(--bg-pure);
    }
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .pricing-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      background: var(--bg-pure);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s ease;
    }
    .pricing-card.featured {
      border: 2px solid var(--brand-primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-8px);
    }
    .featured-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--brand-primary);
      color: #FFFFFF;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.04em;
    }
    .pricing-header h3 {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .pricing-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .pricing-cost {
      font-size: 2.4rem;
      font-weight: 850;
      color: var(--text-main);
      margin-bottom: 24px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .pricing-cost span {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-light);
    }
    .pricing-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .pricing-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .pricing-feature-item svg {
      color: #10B981;
      flex-shrink: 0;
    }

    /* 板块十一：美育考级动态与资讯干货 */
    .news-section {
      background-color: var(--bg-warm);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      background: var(--bg-pure);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .news-card-body {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--brand-accent);
      font-weight: 600;
      margin-bottom: 10px;
    }
    .news-card h3 {
      font-size: 1.15rem;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link-btn {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--brand-primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块十二：常见问题答疑 FAQ 手风琴 */
    .faq-section {
      background-color: var(--bg-pure);
    }
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: var(--bg-warm);
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item[open] {
      background: #FFFFFF;
      border-color: rgba(42, 82, 190, 0.3);
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-question::-webkit-details-marker {
      display: none;
    }
    .faq-question svg {
      transition: transform 0.3s ease;
      color: var(--text-light);
    }
    .faq-item[open] .faq-question svg {
      transform: rotate(180deg);
      color: var(--brand-primary);
    }
    .faq-answer {
      padding: 0 24px 22px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid rgba(0,0,0,0.04);
      padding-top: 14px;
    }

    /* 板块十三：全站预约试听强行动区 (CTA) */
    .cta-booking-section {
      background: linear-gradient(135deg, #1A1F2C 0%, #0F141C 100%);
      color: #FFFFFF;
      padding: 80px 0;
      position: relative;
    }
    .cta-wrapper {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 2.2rem;
      font-weight: 850;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #FFFFFF;
    }
    .cta-info p {
      font-size: 1.025rem;
      color: #A0AEC0;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .cta-perks {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-perk-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      color: #CBD5E1;
    }
    .cta-form-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 36px 32px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
      color: var(--text-main);
    }
    .cta-form-box h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 8px;
      text-align: center;
    }
    .cta-form-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 22px;
      text-align: center;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      height: 44px;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s ease;
      background: #F8FAFC;
    }
    .form-control:focus {
      border-color: var(--brand-primary);
      background: #FFFFFF;
    }
    .form-submit-btn {
      width: 100%;
      margin-top: 10px;
    }

    /* 页脚设计 */
    .site-footer {
      background: #0B0E14;
      color: #94A3B8;
      font-size: 0.875rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 64px;
      padding-bottom: 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.9fr 1.1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col h4 {
      color: #F8FAFC;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }
    .footer-bottom a {
      color: #94A3B8;
    }
    .footer-bottom a:hover {
      color: #FFFFFF;
    }

    /* 响应式样式适配断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .brand-grid {
        grid-template-columns: 1fr;
      }
      .course-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .adv-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .master-grid {
        grid-template-columns: 1fr;
      }
      .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pathway-flow {
        grid-template-columns: repeat(3, 1fr);
      }
      .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 540px;
        margin: 0 auto;
      }
      .cta-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links, .nav-cta-btn {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .course-cards-grid {
        grid-template-columns: 1fr;
      }
      .adv-grid {
        grid-template-columns: 1fr;
      }
      .pathway-flow {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .metric-item {
        border-right: none;
      }
      .testi-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .cta-wrapper {
        padding: 32px 20px;
      }
      .cta-form-box {
        padding: 24px 18px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .section-padding {
        padding: 56px 0;
      }
    }