/* ============================================
   啄木鸟教育官网 全局样式
   移动优先 · PC/移动自适应
   主色：#004aba
   ============================================ */

    /* ---------- CSS 变量 ---------- */
    :root {
      /* 品牌蓝色体系 */
      --brand-primary: #004aba;
      /* 主色 */
      --brand-secondary: #0062e0;
      /* 亮蓝，用于渐变 */
      --brand-dark: #003a94;
      /* 深蓝，用于渐变起点 */
      --brand-accent: #FF8F00;
      /* 点缀色（与蓝形成对比） */
      --brand-light: #E8F0FC;
      /* 浅蓝底色，用于 hover / 图标底 */

      --text-main: #1A1A2E;
      --text-sub: #5A5A72;
      --text-light: #9E9EB0;
      --bg-white: #FFFFFF;
      --bg-gray: #F5F7FA;
      --border-color: #E8E8EE;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
      --shadow-md: 0 4px 16px rgba(0, 0, 0, .08);
      --shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --header-height-mobile: 56px;
      --header-height-pc: 72px;
      --container-max: 1200px;
      --transition: .3s cubic-bezier(.4, 0, .2, 1);
    }

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

    html {
      font-size: 16px;
      -webkit-text-size-adjust: 100%;
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background: var(--bg-white);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    a:hover {
      color: var(--brand-primary);
    }

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

    ul,
    ol {
      list-style: none;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
    }

    /* ---------- 容器 ---------- */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 16px;
    }

    @media (min-width: 768px) {
      .container {
        padding: 0 24px;
      }
    }

    @media (min-width: 1024px) {
      .container {
        padding: 0 32px;
      }
    }

    /* ============================================
   公共头部 Header
   ============================================ */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: var(--header-height-mobile);
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      box-shadow: var(--shadow-md);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 16px;
    }

    /* Logo */
    .header-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .header-logo img {
      height: 32px;
      width: auto;
    }

    .header-logo-text {
      font-size: 18px;
      font-weight: 700;
      color: var(--brand-primary);
      white-space: nowrap;
    }

    /* 桌面端主导航 */
    .header-nav {
      display: none;
    }

    @media (min-width: 1024px) {
      .header-nav {
        display: flex;
        align-items: center;
        gap: 4px;
      }
    }

    .header-nav>li {
      position: relative;
    }

    .header-nav>li>a {
      display: block;
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: all var(--transition);
    }

    .header-nav>li>a:hover,
    .header-nav>li.active>a {
      color: var(--brand-primary);
      background: var(--brand-light);
    }

    /* 头部右侧操作区 */
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .header-cta {
      display: none;
      padding: 8px 20px;
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
      border-radius: 100px;
      transition: all var(--transition);
    }

    .header-cta:hover {
      opacity: .9;
      color: #fff;
      transform: translateY(-1px);
    }

    @media (min-width: 768px) {
      .header-cta {
        display: inline-block;
      }
    }

    /* 移动端汉堡按钮 */
    .header-toggle {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 32px;
      height: 32px;
      padding: 4px;
    }

    .header-toggle span {
      display: block;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .header-toggle.is-active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .header-toggle.is-active span:nth-child(2) {
      opacity: 0;
    }

    .header-toggle.is-active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    @media (min-width: 1024px) {
      .header-toggle {
        display: none;
      }
    }

    /* 移动端抽屉导航 */
    .mobile-drawer {
      position: fixed;
      top: var(--header-height-mobile);
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 999;
      background: var(--bg-white);
      overflow-y: auto;
      padding: 16px;
      transform: translateX(100%);
      transition: transform var(--transition);
    }

    .mobile-drawer.is-open {
      transform: translateX(0);
    }

    .mobile-drawer ul li a {
      display: block;
      padding: 14px 16px;
      font-size: 16px;
      font-weight: 500;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
    }

    .mobile-drawer .drawer-cta {
      display: block;
      margin-top: 24px;
      padding: 14px;
      text-align: center;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
      border-radius: var(--radius-md);
    }

    /* ============================================
   首页各区块
   ============================================ */

    /* 主视觉 Banner —— 蓝色渐变 */
    .hero-section {
      position: relative;
      margin-top: var(--header-height-mobile);
      min-height: 420px;
      display: flex;
      align-items: center;
      background: linear-gradient(135deg, #003a94 0%, #004aba 50%, #0062e0 100%);
      overflow: hidden;
    }

    @media (min-width: 768px) {
      .hero-section {
        margin-top: var(--header-height-pc);
        min-height: 520px;
      }
    }

    @media (min-width: 1024px) {
      .hero-section {
        min-height: 600px;
      }
    }

    .hero-section::after {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .06);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      flex: 1 1 auto;
      /* 新增：可伸缩，占据剩余空间 */
      max-width: 640px;
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .hero-content {
        padding: 64px 0;
      }
    }

    .hero-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 500;
      color: #fff;
      background: rgba(255, 255, 255, .15);
      border: 1px solid rgba(255, 255, 255, .25);
      border-radius: 100px;
      margin-bottom: 20px;
      backdrop-filter: blur(4px);
    }

    .hero-title {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -.5px;
    }

    @media (min-width: 768px) {
      .hero-title {
        font-size: 40px;
      }
    }

    @media (min-width: 1024px) {
      .hero-title {
        font-size: 48px;
      }
    }

    .hero-desc {
      font-size: 15px;
      color: rgba(255, 255, 255, .82);
      line-height: 1.7;
      margin-bottom: 28px;
      max-width: 520px;
    }

    @media (min-width: 768px) {
      .hero-desc {
        font-size: 17px;
      }
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-primary {
      display: inline-block;
      padding: 12px 32px;
      font-size: 15px;
      font-weight: 600;
      color: var(--brand-primary);
      background: #fff;
      border-radius: 100px;
      transition: all var(--transition);
      box-shadow: 0 4px 16px rgba(0, 0, 0, .15);
    }

    .btn-primary:hover {
      color: var(--brand-primary);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
    }

    .btn-ghost {
      display: inline-block;
      padding: 12px 32px;
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, .5);
      border-radius: 100px;
      transition: all var(--transition);
    }

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
    }

    /* ---------- Banner 内部 flex 布局 ---------- */
    .hero-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      width: 100%;
    }

    /* ---------- Banner 右侧 Logo ---------- */
    .hero-logo {
      display: none;
      /* 移动端默认隐藏，避免与文案争抢空间 */
      position: relative;
      z-index: 1;
      /* 盖在 .hero-section::after 装饰圆之上 */
      flex-shrink: 0;
      /* 防止被文案挤压变形 */
      align-items: center;
      justify-content: center;
    }

    .hero-logo img {
      display: block;
      width: 180px;
      /* 基准宽度 */
      height: auto;
      opacity: .95;
      transition: opacity var(--transition), transform var(--transition);
    }

    .hero-logo:hover img {
      opacity: 1;
      transform: scale(1.03);
    }

    /* 桌面端显示 */
    @media (min-width: 1024px) {
      .hero-logo {
        display: flex;
      }

      .hero-logo img {
        width: 360px;
        /* 大屏可放大一些 */
      }
    }

    /* 通用区块 */
    .section {
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .section {
        padding: 80px 0;
      }
    }

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

    .section-header {
      text-align: center;
      margin-bottom: 36px;
    }

    @media (min-width: 768px) {
      .section-header {
        margin-bottom: 48px;
      }
    }

    .section-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-primary);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -.3px;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 32px;
      }
    }

    .section-sub {
      font-size: 15px;
      color: var(--text-sub);
      margin-top: 10px;
      max-width: 560px;
      margin-left: auto;
      margin-right: auto;
    }

    /* 服务卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    @media (min-width: 640px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
      }
    }

    .service-card {
      display: flex;
      flex-direction: column;
      padding: 28px 24px;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all var(--transition);
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: transparent;
    }

    .service-icon {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      background: var(--brand-light);
      border-radius: var(--radius-md);
      margin-bottom: 18px;
    }

    .service-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
      flex: 1;
    }

    .service-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 16px;
      font-size: 14px;
      font-weight: 600;
      color: var(--brand-primary);
    }

    .service-link::after {
      content: '→';
      transition: transform var(--transition);
    }

    .service-card:hover .service-link::after {
      transform: translateX(4px);
    }

    /* ============================================
   留学申请模块 (Study Abroad)
   ============================================ */
    .sa-section {
      background: var(--bg-gray);
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .sa-section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .sa-section {
        padding: 80px 0;
      }
    }

    /* ---------- 三栏布局：强制等高 ---------- */
    .sa-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      align-items: stretch;
      /* 关键：三栏高度一致 */
    }

    @media (min-width: 768px) {
      .sa-layout {
        grid-template-columns: 220px 1fr;
        grid-template-areas:
          "banner cards"
          "news   news";
        /* 第一行 banner 与 cards 等高 */
        grid-template-rows: auto auto;
      }

      .sa-banner {
        grid-area: banner;
      }

      .sa-cards {
        grid-area: cards;
      }

      .sa-news {
        grid-area: news;
      }
    }

    @media (min-width: 1024px) {
      .sa-layout {
        grid-template-columns: 240px 1fr 300px;
        grid-template-areas: "banner cards news";
        grid-template-rows: 1fr;
        /* 单行，三栏同高 */
        gap: 24px;
        align-items: stretch;
      }
    }

    /* ---------- 左栏：主视觉卡片（单卡片，无轮播） ---------- */
    .sa-banner {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      height: 100%;
      /* 撑满栏高 */
      min-height: 360px;
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .sa-banner-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .sa-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 20, 60, .8) 0%, rgba(0, 20, 60, .25) 55%, transparent 100%);
      z-index: 1;
    }

    .sa-banner-overlay {
      position: relative;
      z-index: 2;
      padding: 24px 20px;
      color: #fff;
    }

    .sa-banner-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 500;
      background: rgba(255, 255, 255, .2);
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 100px;
      margin-bottom: 12px;
      backdrop-filter: blur(4px);
    }

    .sa-banner-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -.5px;
    }

    .sa-banner-btn {
      display: inline-block;
      padding: 10px 24px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 100px;
      transition: all var(--transition);
      box-shadow: 0 4px 14px rgba(255, 143, 0, .35);
    }

    .sa-banner-btn:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 143, 0, .5);
    }

    /* ---------- 中栏：卡片网格 ---------- */
    .sa-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      height: 100%;
      /* 撑满栏高 */
    }

    @media (min-width: 768px) {
      .sa-cards {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 1fr);
        /* 两行等高，撑满整体高度 */
        gap: 14px;
      }
    }

    .sa-card {
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      /* 卡片撑满格 */
      padding: 18px 16px 14px;
      background: linear-gradient(135deg, #F0F6FF 0%, #E5F0FF 100%);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition);
    }

    .sa-card::before {
      content: '';
      position: absolute;
      right: -20px;
      bottom: -20px;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(0, 74, 186, .12) 0%, rgba(0, 74, 186, .02) 70%);
      border-radius: 50%;
      transition: transform var(--transition);
    }

    .sa-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 74, 186, .12);
    }

    .sa-card:hover::before {
      transform: scale(1.3);
    }

    .sa-card-hot {
      position: absolute;
      top: 0;
      right: 0;
      padding: 3px 10px;
      font-size: 11px;
      font-weight: 600;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 0 var(--radius-md) 0 var(--radius-md);
      z-index: 1;
    }

    .sa-card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      position: relative;
      z-index: 1;
    }

    .sa-card-desc {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.5;
      flex: 1;
      /* 撑开中间区域，让链接贴底 */
      position: relative;
      z-index: 1;
    }

    .sa-card-link {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-accent);
      position: relative;
      z-index: 1;
      transition: color var(--transition);
    }

    .sa-card-link:hover {
      color: #E07B00;
    }

    /* ---------- 右栏：留学资讯 ---------- */
    .sa-news {
      display: flex;
      flex-direction: column;
      height: 100%;
      /* 撑满栏高 */
      background: #F8FAFD;
      border-radius: var(--radius-lg);
      padding: 20px;
      border: 1px solid var(--border-color);
    }

    .sa-news-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .sa-news-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      background: var(--brand-light);
      border-radius: 6px;
    }

    .sa-news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .sa-news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex: 1;
      /* 撑满剩余高度 */
    }

    .sa-news-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .sa-news-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-primary);
    }

    .sa-news-link {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color var(--transition);
    }

    .sa-news-link:hover {
      color: var(--brand-primary);
    }

    /* ============================================
   考试培训模块 (Exam Training)
   ============================================ */
    .et-section {
      background: var(--bg-white);
      /* 与相邻模块交替底色，形成节奏 */
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .et-section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .et-section {
        padding: 80px 0;
      }
    }

    /* ---------- 三栏布局：强制等高 ---------- */
    .et-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      align-items: stretch;
    }

    @media (min-width: 768px) {
      .et-layout {
        grid-template-columns: 220px 1fr;
        grid-template-areas:
          "banner cards"
          "news   news";
        grid-template-rows: auto auto;
      }

      .et-banner {
        grid-area: banner;
      }

      .et-cards {
        grid-area: cards;
      }

      .et-news {
        grid-area: news;
      }
    }

    @media (min-width: 1024px) {
      .et-layout {
        grid-template-columns: 240px 1fr 300px;
        grid-template-areas: "banner cards news";
        grid-template-rows: 1fr;
        gap: 24px;
        align-items: stretch;
      }
    }

    /* ---------- 左栏：主视觉卡片 ---------- */
    .et-banner {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      height: 100%;
      min-height: 360px;
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .et-banner-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .et-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 20, 60, .8) 0%, rgba(0, 20, 60, .25) 55%, transparent 100%);
      z-index: 1;
    }

    .et-banner-overlay {
      position: relative;
      z-index: 2;
      padding: 24px 20px;
      color: #fff;
    }

    .et-banner-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 500;
      background: rgba(255, 255, 255, .2);
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 100px;
      margin-bottom: 12px;
      backdrop-filter: blur(4px);
    }

    .et-banner-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -.5px;
    }

    .et-banner-btn {
      display: inline-block;
      padding: 10px 24px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 100px;
      transition: all var(--transition);
      box-shadow: 0 4px 14px rgba(255, 143, 0, .35);
    }

    .et-banner-btn:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 143, 0, .5);
    }

    /* ---------- 中栏：卡片网格 ---------- */
    .et-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      height: 100%;
    }

    @media (min-width: 768px) {
      .et-cards {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 14px;
      }
    }

    .et-card {
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 18px 16px 14px;
      background: linear-gradient(135deg, #FFFFFF 0%, #F2F7FF 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition);
    }

    .et-card::before {
      content: '';
      position: absolute;
      right: -20px;
      bottom: -20px;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(0, 74, 186, .12) 0%, rgba(0, 74, 186, .02) 70%);
      border-radius: 50%;
      transition: transform var(--transition);
    }

    .et-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 74, 186, .12);
      border-color: transparent;
    }

    .et-card:hover::before {
      transform: scale(1.3);
    }

    .et-card-hot {
      position: absolute;
      top: 0;
      right: 0;
      padding: 3px 10px;
      font-size: 11px;
      font-weight: 600;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 0 var(--radius-md) 0 var(--radius-md);
      z-index: 1;
    }

    .et-card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      position: relative;
      z-index: 1;
    }

    .et-card-desc {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.5;
      flex: 1;
      position: relative;
      z-index: 1;
    }

    .et-card-link {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-accent);
      position: relative;
      z-index: 1;
      transition: color var(--transition);
    }

    .et-card-link:hover {
      color: #E07B00;
    }

    /* ---------- 右栏：备考资讯 ---------- */
    .et-news {
      display: flex;
      flex-direction: column;
      height: 100%;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 20px;
      border: 1px solid var(--border-color);
    }

    .et-news-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .et-news-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      background: var(--brand-light);
      border-radius: 6px;
    }

    .et-news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .et-news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex: 1;
    }

    .et-news-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .et-news-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-primary);
    }

    .et-news-link {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color var(--transition);
    }

    .et-news-link:hover {
      color: var(--brand-primary);
    }

    /* ============================================
   活动规划模块 (Activity Planning)
   ============================================ */
    .ac-section {
      background: var(--bg-gray);
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .ac-section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .ac-section {
        padding: 80px 0;
      }
    }

    /* ---------- 三栏布局：强制等高 ---------- */
    .ac-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      align-items: stretch;
    }

    @media (min-width: 768px) {
      .ac-layout {
        grid-template-columns: 220px 1fr;
        grid-template-areas:
          "banner cards"
          "news   news";
        grid-template-rows: auto auto;
      }

      .ac-banner {
        grid-area: banner;
      }

      .ac-cards {
        grid-area: cards;
      }

      .ac-news {
        grid-area: news;
      }
    }

    @media (min-width: 1024px) {
      .ac-layout {
        grid-template-columns: 240px 1fr 300px;
        grid-template-areas: "banner cards news";
        grid-template-rows: 1fr;
        gap: 24px;
        align-items: stretch;
      }
    }

    /* ---------- 左栏：主视觉卡片 ---------- */
    .ac-banner {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      height: 100%;
      min-height: 360px;
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .ac-banner-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .ac-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 20, 60, .8) 0%, rgba(0, 20, 60, .25) 55%, transparent 100%);
      z-index: 1;
    }

    .ac-banner-overlay {
      position: relative;
      z-index: 2;
      padding: 24px 20px;
      color: #fff;
    }

    .ac-banner-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 500;
      background: rgba(255, 255, 255, .2);
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 100px;
      margin-bottom: 12px;
      backdrop-filter: blur(4px);
    }

    .ac-banner-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -.5px;
    }

    .ac-banner-btn {
      display: inline-block;
      padding: 10px 24px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 100px;
      transition: all var(--transition);
      box-shadow: 0 4px 14px rgba(255, 143, 0, .35);
    }

    .ac-banner-btn:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 143, 0, .5);
    }

    /* ---------- 中栏：卡片网格 ---------- */
    .ac-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      height: 100%;
    }

    @media (min-width: 768px) {
      .ac-cards {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 14px;
      }
    }

    .ac-card {
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 18px 16px 14px;
      background: linear-gradient(135deg, #F0F6FF 0%, #E5F0FF 100%);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition);
    }

    .ac-card::before {
      content: '';
      position: absolute;
      right: -20px;
      bottom: -20px;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(0, 74, 186, .12) 0%, rgba(0, 74, 186, .02) 70%);
      border-radius: 50%;
      transition: transform var(--transition);
    }

    .ac-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 74, 186, .12);
    }

    .ac-card:hover::before {
      transform: scale(1.3);
    }

    .ac-card-hot {
      position: absolute;
      top: 0;
      right: 0;
      padding: 3px 10px;
      font-size: 11px;
      font-weight: 600;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 0 var(--radius-md) 0 var(--radius-md);
      z-index: 1;
    }

    .ac-card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      position: relative;
      z-index: 1;
    }

    .ac-card-desc {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.5;
      flex: 1;
      position: relative;
      z-index: 1;
    }

    .ac-card-link {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-accent);
      position: relative;
      z-index: 1;
      transition: color var(--transition);
    }

    .ac-card-link:hover {
      color: #E07B00;
    }

    /* ---------- 右栏：活动资讯 ---------- */
    .ac-news {
      display: flex;
      flex-direction: column;
      height: 100%;
      background: #F8FAFD;
      border-radius: var(--radius-lg);
      padding: 20px;
      border: 1px solid var(--border-color);
    }

    .ac-news-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .ac-news-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      background: var(--brand-light);
      border-radius: 6px;
    }

    .ac-news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .ac-news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex: 1;
    }

    .ac-news-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .ac-news-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-primary);
    }

    .ac-news-link {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color var(--transition);
    }

    .ac-news-link:hover {
      color: var(--brand-primary);
    }

    /* ============================================
   留学后课业辅导模块 (Academic Support)
   ============================================ */
    .as-section {
      background: var(--bg-white);
      /* 与相邻模块交替底色 */
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .as-section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .as-section {
        padding: 80px 0;
      }
    }

    /* ---------- 三栏布局：强制等高 ---------- */
    .as-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      align-items: stretch;
    }

    @media (min-width: 768px) {
      .as-layout {
        grid-template-columns: 220px 1fr;
        grid-template-areas:
          "banner cards"
          "news   news";
        grid-template-rows: auto auto;
      }

      .as-banner {
        grid-area: banner;
      }

      .as-cards {
        grid-area: cards;
      }

      .as-news {
        grid-area: news;
      }
    }

    @media (min-width: 1024px) {
      .as-layout {
        grid-template-columns: 240px 1fr 300px;
        grid-template-areas: "banner cards news";
        grid-template-rows: 1fr;
        gap: 24px;
        align-items: stretch;
      }
    }

    /* ---------- 左栏：主视觉卡片 ---------- */
    .as-banner {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      height: 100%;
      min-height: 360px;
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .as-banner-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .as-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 20, 60, .8) 0%, rgba(0, 20, 60, .25) 55%, transparent 100%);
      z-index: 1;
    }

    .as-banner-overlay {
      position: relative;
      z-index: 2;
      padding: 24px 20px;
      color: #fff;
    }

    .as-banner-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 500;
      background: rgba(255, 255, 255, .2);
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 100px;
      margin-bottom: 12px;
      backdrop-filter: blur(4px);
    }

    .as-banner-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -.5px;
    }

    .as-banner-btn {
      display: inline-block;
      padding: 10px 24px;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 100px;
      transition: all var(--transition);
      box-shadow: 0 4px 14px rgba(255, 143, 0, .35);
    }

    .as-banner-btn:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 143, 0, .5);
    }

    /* ---------- 中栏：卡片网格 ---------- */
    .as-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      height: 100%;
    }

    @media (min-width: 768px) {
      .as-cards {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 14px;
      }
    }

    .as-card {
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 18px 16px 14px;
      background: linear-gradient(135deg, #FFFFFF 0%, #F2F7FF 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition);
    }

    .as-card::before {
      content: '';
      position: absolute;
      right: -20px;
      bottom: -20px;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(0, 74, 186, .12) 0%, rgba(0, 74, 186, .02) 70%);
      border-radius: 50%;
      transition: transform var(--transition);
    }

    .as-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 74, 186, .12);
      border-color: transparent;
    }

    .as-card:hover::before {
      transform: scale(1.3);
    }

    .as-card-hot {
      position: absolute;
      top: 0;
      right: 0;
      padding: 3px 10px;
      font-size: 11px;
      font-weight: 600;
      color: #fff;
      background: var(--brand-accent);
      border-radius: 0 var(--radius-md) 0 var(--radius-md);
      z-index: 1;
    }

    .as-card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      position: relative;
      z-index: 1;
    }

    .as-card-desc {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.5;
      flex: 1;
      position: relative;
      z-index: 1;
    }

    .as-card-link {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-accent);
      position: relative;
      z-index: 1;
      transition: color var(--transition);
    }

    .as-card-link:hover {
      color: #E07B00;
    }

    /* ---------- 右栏：学术资讯 ---------- */
    .as-news {
      display: flex;
      flex-direction: column;
      height: 100%;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 20px;
      border: 1px solid var(--border-color);
    }

    .as-news-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .as-news-icon {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      background: var(--brand-light);
      border-radius: 6px;
    }

    .as-news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .as-news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex: 1;
    }

    .as-news-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .as-news-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-primary);
    }

    .as-news-link {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color var(--transition);
    }

    .as-news-link:hover {
      color: var(--brand-primary);
    }

    /* 成功案例 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    @media (min-width: 640px) {
      .cases-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .cases-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
      }
    }

    .case-card {
      position: relative;
      padding: 28px 24px;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all var(--transition);
      overflow: hidden;
    }

    .case-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--brand-primary), var(--brand-accent));
      opacity: 0;
      transition: opacity var(--transition);
    }

    .case-card:hover::before {
      opacity: 1;
    }

    .case-card:hover {
      box-shadow: var(--shadow-md);
    }

    .case-school {
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-primary);
      letter-spacing: .5px;
      margin-bottom: 12px;
    }

    .case-title {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .case-meta {
      font-size: 13px;
      color: var(--text-light);
    }

    .case-meta span+span::before {
      content: '·';
      margin: 0 6px;
    }

    /* 资讯列表 */
    .news-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }

    @media (min-width: 768px) {
      .news-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
    }

    @media (min-width: 1024px) {
      .news-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
      }
    }

    .news-item {
      display: flex;
      gap: 16px;
      padding: 20px;
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: all var(--transition);
    }

    .news-item:hover {
      box-shadow: var(--shadow-md);
      border-color: transparent;
    }

    .news-date-box {
      flex-shrink: 0;
      width: 52px;
      text-align: center;
    }

    .news-date-day {
      font-size: 22px;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.2;
    }

    .news-date-month {
      font-size: 12px;
      color: var(--text-light);
    }

    .news-body {
      flex: 1;
      min-width: 0;
    }

    .news-title {
      font-size: 15px;
      font-weight: 600;
      line-height: 1.45;
      margin-bottom: 6px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-summary {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* ============================================
   底部评估模块 (CTA + Form)
   ============================================ */
    .cta-section {
      background: var(--bg-gray);
      padding: 48px 0;
    }

    @media (min-width: 768px) {
      .cta-section {
        padding: 64px 0;
      }
    }

    @media (min-width: 1024px) {
      .cta-section {
        padding: 80px 0;
      }
    }

    /* ---------- 两栏布局 ---------- */
    .cta-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      align-items: center;
    }

    @media (min-width: 1024px) {
      .cta-layout {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
      }
    }

    /* ---------- 左栏：价值主张 ---------- */
    .cta-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-primary);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .cta-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      letter-spacing: -.5px;
      margin-bottom: 18px;
    }

    @media (min-width: 768px) {
      .cta-title {
        font-size: 34px;
      }
    }

    .cta-desc {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.75;
      margin-bottom: 24px;
      max-width: 480px;
    }

    .cta-points {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 28px;
    }

    .cta-points li {
      position: relative;
      padding-left: 26px;
      font-size: 15px;
      color: var(--text-main);
    }

    .cta-points li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--brand-light);
      border: 4px solid var(--brand-primary);
    }

    .cta-contact {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
      max-width: 320px;
    }

    .cta-contact-label {
      font-size: 13px;
      color: var(--text-light);
    }

    .cta-contact-phone {
      font-size: 26px;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -.5px;
    }

    /* ---------- 右栏：留言表单 ---------- */
    .cta-form-wrap {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: 0 8px 32px rgba(0, 74, 186, .08);
    }

    @media (min-width: 768px) {
      .cta-form-wrap {
        padding: 36px 32px;
      }
    }

    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 18px;
    }

    @media (min-width: 640px) {
      .form-row {
        grid-template-columns: 1fr 1fr;
      }
    }

    .form-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-item label {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
    }

    .form-item .required {
      color: #E53935;
    }

    .form-item input[type="text"],
    .form-item input[type="tel"],
    .form-item select,
    .form-item textarea {
      width: 100%;
      padding: 11px 14px;
      font-size: 14px;
      color: var(--text-main);
      background: #F8FAFD;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: all var(--transition);
      outline: none;
    }

    .form-item input::placeholder,
    .form-item textarea::placeholder {
      color: var(--text-light);
    }

    .form-item input:focus,
    .form-item select:focus,
    .form-item textarea:focus {
      background: #fff;
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(0, 74, 186, .1);
    }

    .form-item textarea {
      resize: vertical;
      min-height: 96px;
      font-family: inherit;
    }

    .form-item select {
      appearance: none;
      background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A5A72' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 14px center;
      padding-right: 36px;
      cursor: pointer;
    }

/* 限制验证码图片的显示尺寸 */
.form-item img {
  max-width: 100px;
  height: auto;
}

    /* 协议勾选 */
    .form-agree {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.55;
      cursor: pointer;
    }

    .form-agree input[type="checkbox"] {
      flex-shrink: 0;
      width: 16px;
      height: 16px;
      margin-top: 2px;
      accent-color: var(--brand-primary);
      cursor: pointer;
    }

    .form-agree a {
      color: var(--brand-primary);
      text-decoration: underline;
    }

    /* 提交按钮 */
.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 6px 20px rgba(0,74,186,.25);
}
.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0,74,186,.35);
}

    .form-submit:active {
      transform: translateY(0);
    }

    .form-tip {
      font-size: 12px;
      color: var(--text-light);
      text-align: center;
      line-height: 1.5;
    }

    /* ============================================
   公共尾部 Footer —— 深蓝黑背景
   ============================================ */
    .site-footer {
      background: #081226;
      /* 深蓝黑，呼应主色 */
      color: rgba(255, 255, 255, .7);
      padding: 48px 0 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
      align-items: center;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, .4);
    }

    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
      }
    }

    /* 移动端底部固定咨询栏 */
    .mobile-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 998;
      display: flex;
      background: var(--bg-white);
      border-top: 1px solid var(--border-color);
      box-shadow: 0 -2px 12px rgba(0, 0, 0, .06);
      padding-bottom: env(safe-area-inset-bottom, 0);
    }

    @media (min-width: 1024px) {
      .mobile-bottom-bar {
        display: none;
      }
    }

    .mobile-bottom-bar a {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 8px 0;
      font-size: 11px;
      color: var(--text-sub);
      gap: 2px;
    }

    .mobile-bottom-bar a .bar-icon {
      font-size: 18px;
      line-height: 1;
    }

    .mobile-bottom-bar a.bar-cta {
      color: #fff;
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
      font-weight: 600;
    }

    /* 底部留白（防止固定栏遮挡内容） */
    @media (max-width: 1023px) {
      body {
        padding-bottom: 56px;
      }
    }

    /* ============================================
   右下角浮动 400 电话按钮
   ============================================ */
    .float-phone {
      position: fixed;
      right: 20px;
      bottom: 154px;
      z-index: 990;
      /* 低于头部 1000，高于内容 */
      display: flex;
      align-items: center;
      height: 56px;
      padding: 0 18px;
      color: #fff;
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
      border-radius: 100px;
      box-shadow: 0 8px 24px rgba(0, 74, 186, .35);
      overflow: hidden;
      transition: all var(--transition);
    }

    /* 电话图标 */
    .float-phone-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      animation: phone-ring 2.4s ease-in-out infinite;
      /* 轻微摇铃提示 */
    }

    /* 摇铃动画 */
    @keyframes phone-ring {

      0%,
      60%,
      100% {
        transform: rotate(0);
      }

      10%,
      30% {
        transform: rotate(-12deg);
      }

      20%,
      40% {
        transform: rotate(12deg);
      }
    }

    /* 尊重「减少动态效果」偏好 */
    @media (prefers-reduced-motion: reduce) {
      .float-phone-icon {
        animation: none;
      }
    }

    /* ---------- 移动端适配：上移避开底部固定栏 ---------- */
    @media (max-width: 1023px) {
      .float-phone {
        right: 14px;
        bottom: calc(56px + 154px + env(safe-area-inset-bottom, 0px));
        /* 56px 底部栏高度 + 间距 */
        height: 48px;
        padding: 0 14px;
        box-shadow: 0 6px 18px rgba(0, 74, 186, .35);
      }

      .float-phone-icon {
        width: 20px;
        height: 20px;
      }

      .float-phone-icon svg {
        width: 20px;
        height: 20px;
      }

      /* 移动端始终显示号码，方便直接拨打 */
      /* 号码文本：默认收起 */
      .float-phone-text {
        max-width: 0;
        margin-left: 0;
        font-size: 15px;
        font-weight: 700;
        white-space: nowrap;
        opacity: 0;
        overflow: hidden;
        transition: all var(--transition);
      }

      /* 悬停 / 聚焦时展开 */
      .float-phone:hover,
      .float-phone:focus-visible {
        color: #fff;
        box-shadow: 0 10px 32px rgba(0, 74, 186, .5);
        transform: translateY(-2px);
      }

      .float-phone:hover .float-phone-text,
      .float-phone:focus-visible .float-phone-text {
        max-width: 160px;
        margin-left: 10px;
        opacity: 1;
      }
    }

    /* ============================================
   右下角返回顶部按钮（常显）
   ============================================ */
    .float-top {
      position: fixed;
      right: 20px;
      bottom: 92px;
      /* 电话按钮 bottom(24) + 高度(56) + 间距(12) */
      z-index: 990;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      padding: 0;
      color: var(--brand-primary);
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
      cursor: pointer;
      transition: all var(--transition);
    }

    .float-top:hover {
      color: #fff;
      background: var(--brand-primary);
      border-color: var(--brand-primary);
      box-shadow: 0 6px 20px rgba(0, 74, 186, .35);
      transform: translateY(-2px);
    }

    .float-top:active {
      transform: translateY(0);
    }

    .float-top:focus-visible {
      outline: 2px solid var(--brand-primary);
      outline-offset: 2px;
    }

    /* ---------- 移动端适配 ---------- */
    @media (max-width: 1023px) {
      .float-top {
        right: 14px;
        /* 底部栏(56) + 安全区 + 间距(14) + 电话按钮高度(48) + 间距(10) */
        bottom: calc(56px + 14px + 48px + 10px + env(safe-area-inset-bottom, 0px));
        width: 40px;
        height: 40px;
      }

      .float-top svg {
        width: 18px;
        height: 18px;
      }
    }

/* 验证码 */
.form-item-code .code-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.form-item-code .code-row input {
  width: 120px;
  flex-shrink: 0;
}
.form-item-code .code-row img {
  max-width: 100px;
  height: auto;
  cursor: pointer;
}