/* roulang page: index */
:root {
      --primary: #1C3F3A;
      --primary-dark: #122421;
      --primary-light: #2A5A53;
      --accent: #C86D51;
      --accent-hover: #B55B40;
      --accent-soft: rgba(200, 109, 81, 0.12);
      --bg-cream: #FBF9F5;
      --bg-surface: #FFFFFF;
      --text-main: #1F2421;
      --text-muted: #5C6460;
      --text-soft: #8C9690;
      --border: #EAE5DC;
      --border-dark: #2F4D47;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 16px -2px rgba(28, 63, 58, 0.05);
      --shadow-md: 0 10px 30px -4px rgba(28, 63, 58, 0.08);
      --shadow-lg: 0 20px 40px -6px rgba(28, 63, 58, 0.12);
      --max-width: 1200px;
      --transition: all 0.3s ease;
    }

    *, *::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", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-cream);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

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

    .section {
      padding-top: 80px;
      padding-bottom: 80px;
      position: relative;
    }

    .section-alt {
      background-color: #F3EFE9;
    }

    .section-dark {
      background-color: var(--primary-dark);
      color: #FBF9F5;
    }

    .section-header {
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--accent);
      background-color: var(--accent-soft);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-dark .section-tag {
      background-color: rgba(200, 109, 81, 0.25);
      color: #EFA68D;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-dark .section-title {
      color: #FFFFFF;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      line-height: 1.7;
    }

    .section-dark .section-subtitle {
      color: #B4C0BA;
    }

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(251, 249, 245, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 16px rgba(0,0,0,0.04);
      border-bottom: 1px solid var(--border);
    }

    .top-bar {
      background: var(--primary);
      color: #D6E0DC;
      font-size: 0.82rem;
      padding: 7px 0;
    }

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

    .top-bar-info {
      display: flex;
      gap: 24px;
    }

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

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

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

    .logo-badge {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.25rem;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(28, 63, 58, 0.2);
    }

    .brand-text h1, .brand-text span {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.15;
      display: block;
      margin: 0;
    }

    .brand-text small {
      display: block;
      font-size: 0.72rem;
      color: var(--text-soft);
      letter-spacing: 1px;
    }

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      padding: 6px 0;
    }

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

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.3s;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 6px 18px rgba(200, 109, 81, 0.3);
    }

    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(200, 109, 81, 0.4);
    }

    .btn-outline {
      border-color: var(--border);
      color: var(--primary);
      background-color: transparent;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background-color: rgba(28, 63, 58, 0.05);
    }

    /* 移动端菜单控制 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

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

    /* Hero: 斜切色块首屏，大标题压在色块上 + 单 CTA */
    .hero-angled {
      position: relative;
      background-color: var(--primary-dark);
      background-image: linear-gradient(135deg, rgba(18, 36, 33, 0.94) 0%, rgba(28, 63, 58, 0.88) 100%), url('/assets/images/31d58fe59c0defed.webp');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding-top: 100px;
      padding-bottom: 140px;
      clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    }

    .hero-content {
      max-width: 820px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 0.85rem;
      margin-bottom: 24px;
      backdrop-filter: blur(4px);
    }

    .hero-badge span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      display: inline-block;
    }

    .hero-angled h1 {
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1.18;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-angled h1 mark {
      background: none;
      color: #FFAE93;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: #D3DFDB;
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 740px;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .hero-guarantee-note {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: #B4C5BF;
    }

    /* 板块1：指标看板区 (#metrics) */
    .metrics-floating {
      margin-top: -65px;
      position: relative;
      z-index: 10;
      margin-bottom: 40px;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: var(--bg-surface);
      padding: 32px 36px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
    }

    .metric-card {
      border-right: 1px solid var(--border);
      padding-right: 20px;
    }

    .metric-card:last-child {
      border-right: none;
      padding-right: 0;
    }

    .metric-num {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-num span {
      color: var(--accent);
      font-size: 1.5rem;
    }

    .metric-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 6px;
      margin-bottom: 4px;
    }

    .metric-sub {
      font-size: 0.82rem;
      color: var(--text-soft);
      line-height: 1.4;
    }

    /* 板块2：适用人群与成长阶段划分 (#target) */
    .target-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .target-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .target-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(28, 63, 58, 0.25);
    }

    .target-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      background: #E8F0ED;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }

    .target-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .target-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .target-features {
      list-style: none;
      border-top: 1px dashed var(--border);
      padding-top: 16px;
    }

    .target-features li {
      font-size: 0.88rem;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .target-features li::before {
      content: '✓';
      color: var(--accent);
      font-weight: 800;
    }

    /* 板块3：谁适合 / 谁不适合对比分析 (#suitability) */
    .suit-split-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .suit-col {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 36px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .suit-col.suitable {
      border-top: 5px solid #2A7B5F;
    }

    .suit-col.unsuitable {
      border-top: 5px solid #BC5449;
    }

    .suit-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }

    .suit-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
    }

    .suitable .suit-icon {
      background: #E5F3EE;
      color: #2A7B5F;
    }

    .unsuitable .suit-icon {
      background: #FCECEB;
      color: #BC5449;
    }

    .suit-list {
      list-style: none;
    }

    .suit-list li {
      margin-bottom: 16px;
      padding-left: 28px;
      position: relative;
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.6;
    }

    .suitable .suit-list li::before {
      content: '✔';
      position: absolute;
      left: 0;
      top: 0;
      color: #2A7B5F;
      font-weight: bold;
    }

    .unsuitable .suit-list li::before {
      content: '✖';
      position: absolute;
      left: 0;
      top: 0;
      color: #BC5449;
      font-weight: bold;
    }

    /* 板块4：品牌与教研体系介绍区 (#about) */
    .about-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .about-image-wrap {
      position: relative;
    }

    .about-main-img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .about-float-tag {
      position: absolute;
      bottom: -20px;
      right: -20px;
      background: var(--primary);
      color: #FFFFFF;
      padding: 20px 24px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-md);
      max-width: 240px;
    }

    .about-float-tag strong {
      display: block;
      font-size: 1.5rem;
      color: #FFAE93;
    }

    .about-float-tag p {
      font-size: 0.85rem;
      margin-top: 4px;
      line-height: 1.4;
      color: #D3DFDB;
    }

    .about-text h3 {
      font-size: 1.85rem;
      color: var(--primary);
      margin-bottom: 20px;
      font-weight: 800;
    }

    .about-text p {
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.8;
    }

    .about-pillars {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .pillar-item {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
    }

    .pillar-item h4 {
      font-size: 1rem;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .pillar-item p {
      font-size: 0.85rem;
      color: var(--text-soft);
      margin-bottom: 0;
      line-height: 1.5;
    }

    /* 板块5：核心课程服务矩阵 (#courses) */
    .courses-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .course-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .course-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }

    .course-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
    }

    .course-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .course-card:hover .course-thumb img {
      transform: scale(1.05);
    }

    .course-cat {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(28, 63, 58, 0.85);
      color: #FFFFFF;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }

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

    .course-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .course-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .course-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-soft);
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    .course-meta span strong {
      color: var(--accent);
      font-weight: 700;
    }

    /* 板块6：进阶产品/集训营 (#featured) */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .featured-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .featured-card.highlight {
      border: 2px solid var(--accent);
      background: #FFFDFB;
      box-shadow: var(--shadow-md);
    }

    .featured-badge-top {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #FFFFFF;
      font-size: 0.8rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 999px;
      letter-spacing: 0.5px;
    }

    .featured-tier-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .featured-brief {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.5;
    }

    .featured-specs {
      background: #F8F6F2;
      border-radius: var(--radius-sm);
      padding: 16px;
      margin-bottom: 20px;
    }

    .spec-line {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      margin-bottom: 6px;
    }

    .spec-line:last-child {
      margin-bottom: 0;
    }

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

    .spec-val {
      font-weight: 700;
      color: var(--primary);
    }

    .featured-points {
      list-style: none;
      margin-bottom: 24px;
    }

    .featured-points li {
      font-size: 0.88rem;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      line-height: 1.45;
    }

    .featured-points li::before {
      content: '●';
      color: var(--accent);
      font-size: 0.75rem;
      margin-top: 3px;
    }

    /* 板块7：教学成果与能力对比看板 (#comparison) */
    .compare-container {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: #F5F2EB;
      font-weight: 800;
      color: var(--primary);
    }

    .compare-table th:first-child {
      width: 25%;
    }

    .compare-table th.col-pro {
      background: #EAF0ED;color: var(--primary);
      width: 40%;
    }

    .compare-table td.col-pro {
      background: rgba(28, 63, 58, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    /* 板块8：教学发展历程与学员成长里程碑 (#milestones) */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }

    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: #D9D2C7;
      transform: translateX(-50%);
    }

    .timeline-step {
      display: flex;
      margin-bottom: 40px;
      position: relative;
    }

    .timeline-step:nth-child(odd) {
      flex-direction: row-reverse;
    }

    .timeline-content {
      width: 45%;
      background: var(--bg-surface);
      padding: 24px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .timeline-badge {
      position: absolute;
      left: 50%;
      top: 24px;
      transform: translate(-50%, -50%);
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--accent);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 800;
      box-shadow: 0 0 0 6px var(--bg-cream);
    }

    .timeline-step:nth-child(even) .timeline-content {
      margin-right: auto;
      text-align: right;
    }

    .timeline-step:nth-child(odd) .timeline-content {
      margin-left: auto;
      text-align: left;
    }

    .timeline-phase {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: 1px;
      margin-bottom: 6px;
    }

    .timeline-content h4 {
      font-size: 1.18rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .timeline-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块9：深色艺术空间与大师理念区 (#philosophy) */
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .quote-box {
      border-left: 4px solid var(--accent);
      padding-left: 24px;
      margin-bottom: 24px;
    }

    .quote-box h3 {
      font-size: 1.65rem;
      line-height: 1.4;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .quote-box p {
      font-size: 0.96rem;
      color: #BDCBC6;
      line-height: 1.7;
    }

    .faculty-credentials {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .cred-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      padding: 16px;
      border-radius: var(--radius-sm);
    }

    .cred-item strong {
      display: block;
      color: #FFAE93;
      font-size: 1.1rem;
      margin-bottom: 4px;
    }

    .cred-item span {
      font-size: 0.82rem;
      color: #9EAEA8;
      line-height: 1.4;
      display: block;
    }

    .philosophy-img {
      border-radius: var(--radius-md);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
      border: 1px solid var(--border-dark);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 板块10：优秀学员成长故事展区 (#stories) */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .story-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 180px 1fr;
    }

    .story-photo {
      height: 100%;
      min-height: 240px;
    }

    .story-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .story-detail {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-honor {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .story-name {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .story-quote {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .story-tag-list {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .story-tag {
      font-size: 0.75rem;
      background: #F3EFE9;
      color: var(--text-muted);
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 板块11：教学动态与艺术资讯内嵌区 (#news) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .news-thumb {
      height: 170px;
      overflow: hidden;
    }

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

    .news-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .news-meta-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.78rem;
      color: var(--text-soft);
      margin-bottom: 10px;
    }

    .news-badge {
      color: var(--primary);
      background: #E8F0ED;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 3px;
    }

    .news-body h4 {
      font-size: 1.1rem;
      color: var(--primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .news-body p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块12：学员与家长口碑评价区 (#reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .review-stars {
      color: #E6A23C;
      font-size: 0.95rem;
      margin-bottom: 10px;
      letter-spacing: 2px;
    }

    .review-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .review-user {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border);
      padding-top: 12px;
    }

    .review-author {
      font-weight: 700;
      font-size: 0.88rem;
      color: var(--primary);
    }

    .review-course-tag {
      font-size: 0.75rem;
      background: #F3EFE9;
      padding: 2px 6px;
      border-radius: 4px;
      color: var(--text-soft);
    }

    /* 板块13：艺术培训平台保障与认证体系 (#guarantees) */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .guarantee-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .guarantee-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
    }

    .guarantee-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 14px;
      font-weight: bold;
    }

    .guarantee-card h4 {
      font-size: 1.08rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .guarantee-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块14：常见问题与入学指南 FAQ (#faq) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-surface);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      cursor: pointer;
      text-align: left;
    }

    .faq-indicator {
      font-size: 1.3rem;
      color: var(--accent);
      transition: transform 0.3s ease;
      line-height: 1;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #FCFAF7;
    }

    .faq-answer p {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    .faq-item.active {
      border-color: var(--primary-light);
    }

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

    /* 板块15：底部预约试听与咨询表单 CTA (#contact) */
    .contact-split-box {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      overflow: hidden;
    }

    .form-panel {
      padding: 44px;
    }

    .form-panel h3 {
      font-size: 1.6rem;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .form-panel p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      background: #FBF9F5;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(28, 63, 58, 0.1);
    }

    .form-submit-btn {
      width: 100%;
      margin-top: 8px;
      padding: 14px;
      font-size: 1rem;
    }

    .contact-info-panel {
      background: var(--primary);
      color: #FFFFFF;
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 0.92rem;
      color: #C6D6D1;
      line-height: 1.6;
      margin-bottom: 28px;
    }

    .contact-cards {
      list-style: none;
    }

    .contact-card-item {
      margin-bottom: 20px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .contact-card-item strong {
      display: block;
      font-size: 0.95rem;
      color: #FFAE93;
    }

    .contact-card-item span {
      font-size: 0.85rem;
      color: #E2ECE8;
    }

    .campus-hours {
      background: rgba(255, 255, 255, 0.08);
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      color: #D3DFDB;
      line-height: 1.6;
    }

    /* 统一页脚 */
    .site-footer {
      background: #0E1C1A;
      color: #9DAEA7;
      padding-top: 60px;
      padding-bottom: 30px;
      font-size: 0.88rem;
      border-top: 1px solid #233A36;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.85rem;
      line-height: 1.7;
      color: #839790;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 0.98rem;
      margin-bottom: 16px;
      font-weight: 700;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul li a {
      color: #9DAEA7;
    }

    .footer-col ul li a:hover {
      color: #FFAE93;
    }

    .footer-bottom {
      border-top: 1px solid #1C332F;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8rem;
      color: #6C827A;
    }

    .footer-bottom a {
      color: #8C9F98;
    }

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

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-card:nth-child(2) {
        border-right: none;
      }
      .target-grid, .courses-grid, .featured-grid, .news-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border);
        gap: 16px;
        align-items: flex-start;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-btn-hide {
        display: none;
      }
      .hero-angled {
        padding-top: 60px;
        padding-bottom: 100px;
        clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
      }
      .hero-angled h1 {
        font-size: 2.2rem;
      }
      .section {
        padding-top: 50px;
        padding-bottom: 50px;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .about-split, .philosophy-grid, .contact-split-box, .suit-split-box {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .form-panel, .contact-info-panel {
        padding: 28px 20px;
      }
      .target-grid, .courses-grid, .featured-grid, .news-grid, .reviews-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .timeline-wrap::before {
        left: 20px;
      }
      .timeline-step {
        flex-direction: column !important;
        padding-left: 45px;
      }
      .timeline-badge {
        left: 20px;
      }
      .timeline-content {
        width: 100% !important;
        text-align: left !important;
      }
      .story-card {
        grid-template-columns: 1fr;
      }
      .story-photo {
        height: 200px;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .metric-card {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-bottom: 16px;
      }
      .metric-card:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
    }