/* 与首页一致的顶栏（摘自 index.css，避免整站引入 index 与课程区样式冲突） */
.ai-camp-page .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.ai-camp-page .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(244, 248, 255, 0.96);
    border-bottom: 1px solid var(--gray-100);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.ai-camp-page .navbar.scrolled {
    background: rgba(236, 244, 255, 0.94);
    box-shadow: var(--shadow-sm);
}

.ai-camp-page .navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.ai-camp-page .nav-links {
    display: flex;
    gap: 36px;
    align-items: center;
}

.ai-camp-page .nav-links a {
    font-size: 0.95rem;
    color: var(--text-body);
    font-weight: var(--font-regular);
    padding: 6px 0;
    position: relative;
}

.ai-camp-page .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold);
    border-radius: 1px;
    transition: var(--transition);
    transform: translateX(-50%);
}

.ai-camp-page .nav-links a:hover {
    color: var(--navy-blue);
}

.ai-camp-page .nav-links a:hover::after {
    width: 100%;
}

.ai-camp-page .mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.ai-camp-page .mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--navy-blue);
    border-radius: 1px;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .ai-camp-page .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-warm-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--gray-100);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .ai-camp-page .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .ai-camp-page .mobile-menu-btn {
        display: flex;
    }

    .ai-camp-page .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .ai-camp-page .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .ai-camp-page .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}


.ai-camp-section[id] {
    scroll-margin-top: 72px;
}


    /* 课程区变量：对齐 common.css 海军蓝 + 金 + 纸质灰（不覆盖全站 :root） */
    .ai-camp-main {
      padding-top: 64px;
      --blue: var(--navy-blue-light);
      --blue-light: var(--gold);
      --blue-dark: var(--navy-blue);
      --blue-soft: rgba(42, 74, 127, 0.09);
      --blue-pale: rgba(27, 54, 93, 0.16);
      --gray-50: var(--bg-light-cream);
      --gray-100: var(--gray-100);
      --gray-200: var(--gray-200);
      --gray-300: var(--gray-300);
      --gray-400: var(--text-light);
      --gray-500: var(--text-secondary);
      --gray-600: var(--text-body);
      --gray-700: var(--text-dark);
      --gray-800: var(--text-primary);
      --gray-900: var(--navy-blue);
      --white: var(--bg-white);
      --radius-sm: var(--radius-sm);
      --radius: var(--radius-md);
      --radius-lg: var(--radius-lg);
      --radius-xl: var(--radius-xl);
      --shadow-sm: var(--shadow-sm);
      --shadow: var(--shadow-card);
      --shadow-md: var(--shadow-md);
      --shadow-lg: var(--shadow-lg);
      --max-width: 960px;
    }

    /* === Hero === */
    .ai-camp-hero {
      position: relative;
      min-height: 560px;
      display: flex;
      align-items: center;
      padding: 80px 40px;
      background: url('../assets/images/ai-investing-camp/banner-hero.png') center/cover no-repeat;
      background-position: 55% center;
    }
    .ai-camp-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(255,255,255,.92) 30%, rgba(255,255,255,.4) 60%, rgba(255,255,255,.1) 100%);
      pointer-events: none;
    }
    .ai-camp-hero-inner {
      position: relative;
      z-index: 1;
      max-width: var(--max-width);
      width: 100%;
      margin: 0 auto;
      text-align: left;
    }
    .ai-camp-hero-text { max-width: 500px; }
    .ai-camp-hero-eyebrow {
      display: inline-block;
      font-size: 14px;
      font-weight: 600;
      color: var(--gold);
      background: var(--gold-pale);
      border: 1px solid rgba(201, 169, 98, 0.42);
      padding: 6px 16px;
      border-radius: 100px;
      margin-bottom: 24px;
      letter-spacing: .5px;
      box-shadow: var(--shadow-sm);
    }
    .ai-camp-hero h1 {
      font-size: clamp(36px, 5vw, 56px);
      font-weight: 800;
      color: var(--gray-900);
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .ai-camp-hero h1 span {
      background: linear-gradient(120deg, var(--gold-light), var(--gold));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .ai-camp-hero-lead {
      font-size: 17px;
      color: var(--gray-500);
      max-width: 540px;
      margin-bottom: 36px;
      line-height: 1.8;
    }
    .ai-camp-hero-lead strong { color: var(--gray-700); }
    .ai-camp-hero-pills {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-bottom: 0;
      max-width: 560px;
    }
    .ai-camp-hero-pill {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      background: var(--white);
      border: 1px solid var(--gray-200);
      padding: 14px 8px;
      border-radius: var(--radius);
      font-size: 13px;
      font-weight: 500;
      color: var(--gray-600);
      box-shadow: var(--shadow-sm);
      transition: all .2s;
      text-align: center;
    }
    .ai-camp-hero-pill:hover { border-color: var(--blue-pale); box-shadow: var(--shadow); }
    .ai-camp-hero-pill-num {
      display: block;
      font-weight: 800;
      color: var(--blue);
      font-size: 22px;
      line-height: 1.2;
    }

    /* === Section Common === */
    .ai-camp-section {
      padding: 80px 24px;
    }
    .ai-camp-section-inner { max-width: var(--max-width); margin: 0 auto; }
    .ai-camp-section-eyebrow {
      font-size: 13px;
      font-weight: 600;
      color: var(--blue);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
      text-align: center;
    }
    .ai-camp-section h2 {
      font-size: clamp(26px, 4vw, 36px);
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 16px;
      letter-spacing: -.5px;
    }
    .ai-camp-h2-lined {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
    }
    .ai-camp-h2-lined::before,
    .ai-camp-h2-lined::after {
      content: '';
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.55), transparent);
      flex: 0 0 60px;
    }
    .ai-camp-section-sub {
      font-size: 16px;
      color: var(--gray-500);
      max-width: 560px;
    }

    /* === Reasons === */
    .ai-camp-reasons { background: var(--white); }
    .ai-camp-reasons-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .ai-camp-reason-card {
      position: relative;
      background-color: var(--white);
      border: 1px solid var(--gray-100);
      border-radius: var(--radius-lg);
      padding: 20px 52px 36px 24px;
      transition: all .3s;
      min-height: 220px;
      text-align: left;
      overflow: hidden;
    }
    .ai-camp-reason-card::after {
      content: '';
      position: absolute;
      right: 0;
      bottom: 0;
      width: 100%;
      height: 100%;
      background-repeat: no-repeat;
      background-position: right bottom;
      background-size: auto 61%;
      opacity: 0.5;
      pointer-events: none;
    }
    .ai-camp-reason-card:nth-child(1)::after { background-image: url('../assets/images/ai-investing-camp/slice-1.png'); }
    .ai-camp-reason-card:nth-child(2)::after { background-image: url('../assets/images/ai-investing-camp/slice-2.png'); }
    .ai-camp-reason-card:nth-child(3)::after { background-image: url('../assets/images/ai-investing-camp/slice-3.png'); }
    .ai-camp-reason-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--gray-200);
      transform: translateY(-2px);
    }
    .ai-camp-reason-index {
      position: relative;
      z-index: 1;
      font-size: 50px;
      font-weight: 700;
      font-style: italic;
      color: #EED9C3;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 8px;
      max-width: 180px;
    }
    .ai-camp-reason-card h3 {
      position: relative;
      z-index: 1;
      font-size: 19px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 10px;
      max-width: 180px;
    }
    .ai-camp-reason-card p {
      position: relative;
      z-index: 1;
      font-size: 14px;
      color: var(--gray-500);
      line-height: 1.8;
      max-width: 180px;
    }
    .ai-camp-reason-card p strong { color: var(--gray-700); }

    /* === Lessons === */
    .ai-camp-lessons { background: var(--gray-50); }
    .ai-camp-lessons-list { margin-top: 48px; display: flex; flex-direction: column; gap: 20px; }
    .ai-camp-lesson-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      border: 1px solid var(--gray-100);
      display: flex;
      gap: 32px;
      align-items: flex-start;
      transition: all .3s;
    }
    .ai-camp-lesson-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--gray-200);
    }
    .ai-camp-lesson-num {
      flex-shrink: 0;
      width: 240px;
      height: 240px;
      border-radius: var(--radius);
      overflow: hidden;
    }
    .ai-camp-lesson-num img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .ai-camp-lesson-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--blue-soft);
      border: 2px dashed var(--blue-pale);
      border-radius: var(--radius);
      color: var(--blue);
      font-size: 14px;
      font-weight: 600;
    }
    .ai-camp-lesson-body { flex: 1; }
    .ai-camp-lesson-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }
    .ai-camp-lesson-header h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--gray-900);
    }
    .ai-camp-lesson-time {
      font-size: 12px;
      font-weight: 600;
      color: #C57D52;
      background: #F9F6F2;
      padding: 3px 10px;
      border-radius: 100px;
      white-space: nowrap;
    }
    .ai-camp-lesson-summary {
      font-size: 14px;
      color: var(--gray-500);
      margin-bottom: 16px;
      line-height: 1.7;
    }
    .ai-camp-lesson-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 24px;
      margin-bottom: 16px;
    }
    .ai-camp-lesson-point {
      font-size: 13px;
      color: var(--gray-600);
      padding-left: 16px;
      position: relative;
      line-height: 1.6;
    }
    .ai-camp-lesson-point::before {
      content: '';
      position: absolute;
      left: 0;
      top: 8px;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue-light);
    }
    .ai-camp-lesson-point strong { color: var(--gray-800); }
    .ai-camp-lesson-outcome {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--blue-dark);
      background: var(--blue-soft);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
    }
    .ai-camp-lesson-outcome svg { flex-shrink: 0; }

    .ai-camp-learn-result {
      display: flex;
      flex-direction: column;
      gap: 24px;
      margin-top: 56px;
      padding: clamp(36px, 5vw, 52px) clamp(28px, 4vw, 48px);
      background-image: linear-gradient(165deg, var(--theme-bg-start) 0%, var(--theme-bg-middle) 42%, rgba(232, 240, 252, 0.92) 100%);
      border: 1px solid rgba(27, 54, 93, 0.12);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-lg);
      color: var(--text-body);
    }
    .ai-camp-learn-result-title {
      font-size: clamp(20px, 2.35vw, 26px);
      font-weight: 700;
      line-height: 1.45;
      color: var(--navy-blue);
      letter-spacing: 0.02em;
      text-wrap: balance;
    }
    .ai-camp-learn-result-subtitle {
      font-size: clamp(16px, 1.5vw, 18px);
      font-weight: 600;
      line-height: 1.65;
      color: var(--text-secondary);
      margin: 0;
    }
    .ai-camp-learn-result-list {
      display: flex;
      flex-direction: column;
      gap: clamp(18px, 2.5vw, 22px);
      margin-top: 4px;
    }
    .ai-camp-learn-result-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      font-size: clamp(15px, 1.35vw, 17px);
      line-height: 1.75;
      color: var(--text-body);
    }
    .ai-camp-learn-result-item svg {
      width: 26px;
      height: 26px;
      flex-shrink: 0;
      margin-top: 2px;
      padding: 9px;
      box-sizing: content-box;
      color: var(--gold);
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(201, 169, 98, 0.28);
      border-radius: 14px;
      box-shadow: var(--shadow-sm);
    }
    .ai-camp-learn-result-item strong {
      color: var(--navy-blue);
      font-weight: 700;
    }
    .ai-camp-learn-result-footer {
      font-size: clamp(16px, 1.4vw, 17px);
      font-weight: 600;
      color: var(--text-primary);
      padding-top: 8px;
      line-height: 1.75;
      margin: 0;
    }
    .ai-camp-learn-result-closing {
      font-size: clamp(18px, 1.85vw, 22px);
      font-weight: 700;
      color: var(--navy-blue);
      line-height: 1.65;
      text-wrap: balance;
      margin: 0;
    }

    /* === Demo Cases === */
    .ai-camp-demo-cases {
      margin-top: 56px;
    }
    .ai-camp-demo-cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .ai-camp-demo-card {
      background: var(--white);
      border: 1px solid var(--gray-100);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: all .3s;
    }
    .ai-camp-demo-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--gray-200);
    }
    .ai-camp-demo-card-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--blue-soft);
      color: var(--blue);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }
    .ai-camp-demo-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 8px;
    }
    .ai-camp-demo-card-tagline {
      font-size: 13px;
      font-weight: 500;
      color: var(--blue);
      margin-bottom: 16px;
    }
    .ai-camp-demo-card ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 20px;
    }
    .ai-camp-demo-card li {
      font-size: 14px;
      color: var(--gray-600);
      line-height: 1.7;
      padding-left: 18px;
      position: relative;
    }
    .ai-camp-demo-card li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 8px;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue-light);
    }
    .ai-camp-demo-card li strong {
      color: var(--gray-800);
    }
    .ai-camp-demo-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--blue);
      text-decoration: none;
      padding: 8px 16px;
      border: 1px solid var(--blue-pale);
      border-radius: 100px;
      background: var(--blue-soft);
      transition: all .2s;
    }
    .ai-camp-demo-link:hover {
      background: var(--blue-pale);
      border-color: var(--blue);
    }
    .ai-camp-demo-link svg {
      flex-shrink: 0;
    }
    @media (max-width: 768px) {
      .ai-camp-demo-cases-grid { grid-template-columns: 1fr; }
    }

    /* === Instructors === */
    .ai-camp-instructors { background: var(--white); }
    .ai-camp-instructors-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 48px;
    }
    .ai-camp-instructor-card {
      display: flex;
      flex-direction: column;
      gap: 16px;
      background: var(--white);
      border: 1px solid var(--gray-100);
      border-radius: var(--radius-lg);
      padding: 32px;
      transition: all .3s;
    }
    .ai-camp-instructor-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--gray-200);
    }
    .ai-camp-instructor-header {
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }
    .ai-camp-instructor-avatar {
      width: 120px;
      height: 120px;
      border-radius: var(--radius);
      flex-shrink: 0;
      overflow: hidden;
    }
    .ai-camp-instructor-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: top;
    }
    .ai-camp-instructor-info { flex: 1; }
    .ai-camp-instructor-info h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--gray-900);
      margin-bottom: 6px;
    }
    .ai-camp-instructor-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 0;
    }
    .ai-camp-instructor-tag {
      font-size: 12px;
      font-weight: 500;
      color: var(--blue-dark);
      background: var(--blue-soft);
      padding: 3px 10px;
      border-radius: 100px;
    }
    .ai-camp-instructor-bio {
      font-size: 13px;
      color: var(--gray-500);
      line-height: 1.8;
    }

    /* === CTA（淡蓝底，与深蓝 footer 区分） === */
    .ai-camp-cta {
      background-color: var(--theme-bg-middle);
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cline x1='30' y1='0' x2='30' y2='60' stroke='rgba(27,54,93,0.06)' stroke-width='0.5'/%3E%3Cline x1='0' y1='30' x2='60' y2='30' stroke='rgba(27,54,93,0.06)' stroke-width='0.5'/%3E%3Ccircle cx='30' cy='30' r='1.2' fill='rgba(27,54,93,0.09)'/%3E%3Ccircle cx='30' cy='0' r='0.8' fill='rgba(27,54,93,0.06)'/%3E%3Ccircle cx='30' cy='60' r='0.8' fill='rgba(27,54,93,0.06)'/%3E%3Ccircle cx='0' cy='30' r='0.8' fill='rgba(27,54,93,0.06)'/%3E%3Ccircle cx='60' cy='30' r='0.8' fill='rgba(27,54,93,0.06)'/%3E%3C/svg%3E"), linear-gradient(180deg, var(--theme-bg-start) 0%, var(--theme-bg-middle) 48%, var(--theme-bg-end) 100%);
      color: var(--text-body);
      padding: 72px 24px;
      border-top: 1px solid var(--gray-200);
    }
    .ai-camp-cta-inner {
      max-width: var(--max-width);
      margin: 0 auto;
      display: flex;
      gap: 56px;
      align-items: center;
    }
    .ai-camp-cta-copy { flex: 1; }
    .ai-camp-cta-copy h2 {
      font-size: clamp(24px, 4vw, 32px);
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--navy-blue);
    }
    .ai-camp-cta-copy > p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .ai-camp-cta-copy > p strong {
      color: var(--text-primary);
      font-weight: 600;
    }
    .ai-camp-cta-benefits {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .ai-camp-cta-benefit {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .ai-camp-cta-benefit-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(42, 74, 127, 0.12);
      border: 1px solid rgba(27, 54, 93, 0.12);
      color: var(--navy-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 16px;
    }
    .ai-camp-cta-benefit-icon svg {
      color: inherit;
    }
    .ai-camp-cta-benefit-text strong {
      display: block;
      font-size: 15px;
      margin-bottom: 2px;
      color: var(--navy-blue);
    }
    .ai-camp-cta-benefit-text span {
      font-size: 13px;
      color: var(--text-secondary);
    }
    .ai-camp-cta-qr {
      flex-shrink: 0;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 20px;
      text-align: center;
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow-lg);
    }
    .ai-camp-cta-qr-placeholder {
      width: 180px;
      height: 180px;
      background: var(--gray-100);
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gray-400);
      font-size: 13px;
      margin-bottom: 8px;
    }
    .ai-camp-cta-qr small {
      font-size: 12px;
      color: var(--gray-500);
    }

    /* === Floating CTA（金色金属质感，与 footer 区分） === */
    .ai-camp-floating-cta {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 999;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 15px 36px;
      min-width: min(100vw - 32px, 480px);
      white-space: nowrap;
      font-family: var(--font-sans);
      font-size: clamp(16px, 1.65vw, 18px);
      font-weight: 700;
      letter-spacing: 0.03em;
      line-height: 1.35;
      color: var(--navy-blue-dark);
      text-shadow: 0 1px 0 rgba(255, 255, 255, 0.38);
      border-radius: 100px;
      border: 1px solid rgba(27, 54, 93, 0.2);
      background: linear-gradient(
        180deg,
        #f7e8bd 0%,
        #ecd27a 22%,
        var(--gold-light) 52%,
        var(--gold) 88%,
        #b18a28 100%
      );
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.72),
        inset 0 -1px 0 rgba(27, 54, 93, 0.14),
        0 4px 6px rgba(15, 35, 55, 0.06),
        0 12px 28px rgba(15, 35, 55, 0.2),
        0 0 1px rgba(27, 54, 93, 0.35);
      cursor: pointer;
      text-decoration: none;
      transition: transform 0.22s ease, box-shadow 0.22s ease;
      -webkit-tap-highlight-color: transparent;
    }
    .ai-camp-floating-cta:hover {
      transform: translateX(-50%) translateY(-3px);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(27, 54, 93, 0.12),
        0 6px 10px rgba(15, 35, 55, 0.08),
        0 18px 36px rgba(15, 35, 55, 0.24),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    }
    .ai-camp-floating-cta:active {
      transform: translateX(-50%) translateY(-1px);
      box-shadow:
        inset 0 2px 4px rgba(27, 54, 93, 0.12),
        inset 0 -1px 0 rgba(255, 255, 255, 0.35),
        0 4px 14px rgba(15, 35, 55, 0.18);
    }
    .ai-camp-floating-cta:focus-visible {
      outline: 2px solid var(--navy-blue);
      outline-offset: 3px;
    }
    .ai-camp-floating-cta svg {
      flex-shrink: 0;
      width: 18px;
      height: 18px;
      color: var(--navy-blue-dark);
      opacity: 0.78;
      stroke-width: 2.25;
    }

    /* === Bottom Banner === */
    .ai-camp-banner-promo {
      width: 100%;
      padding: 0;
    }
    .ai-camp-banner-promo-inner {
      background: var(--gold-pale);
      padding: 40px 48px;
      text-align: center;
      border-top: 1px solid var(--gray-200);
      border-bottom: 1px solid var(--gray-200);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px 14px;
    }
    .ai-camp-banner-promo-inner p {
      font-size: clamp(17px, 2.05vw, 20px);
      font-weight: 600;
      line-height: 1.65;
      color: var(--navy-blue);
      max-width: 52rem;
      margin: 0;
    }
    .ai-camp-banner-promo-inner svg {
      flex-shrink: 0;
      color: var(--gold);
      width: 22px;
      height: 22px;
    }

    /* === Responsive === */
    @media (max-width: 768px) {
      .ai-camp-hero {
        min-height: auto;
        padding: 48px 20px;
        background-position: 60% center;
      }
      .ai-camp-hero::after { background: linear-gradient(180deg, rgba(255,255,255,.94) 40%, rgba(255,255,255,.65) 70%, rgba(255,255,255,.25) 100%); }
      .ai-camp-hero-text { max-width: 100%; text-align: center; }
      .ai-camp-hero-pills { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
      .ai-camp-reasons-grid { grid-template-columns: 1fr; }
      .ai-camp-lesson-card { flex-direction: column; gap: 16px; }
      .ai-camp-lesson-points { grid-template-columns: 1fr; }
      .ai-camp-learn-result {
        margin-top: 40px;
        padding: 28px 20px;
        gap: 20px;
      }
      .ai-camp-learn-result-item {
        gap: 14px;
      }
      .ai-camp-learn-result-item svg {
        width: 22px;
        height: 22px;
        padding: 8px;
      }
      .ai-camp-instructors-grid { grid-template-columns: 1fr; }
      .ai-camp-instructor-card { align-items: center; text-align: center; }
      .ai-camp-instructor-header { flex-direction: column; align-items: center; text-align: center; }
      .ai-camp-instructor-tags { justify-content: center; }
      .ai-camp-cta-inner { flex-direction: column; text-align: center; }
      .ai-camp-section { padding: 56px 20px; }
      .ai-camp-banner-promo-inner {
        padding: 32px 24px;
      }
      .ai-camp-banner-promo-inner p {
        font-size: clamp(16px, 4.2vw, 18px);
      }
      .ai-camp-banner-promo-inner svg {
        width: 20px;
        height: 20px;
      }
      .ai-camp-floating-cta {
        white-space: normal;
        text-align: center;
        min-width: auto;
        width: calc(100vw - 32px);
        max-width: 440px;
        padding: 14px 24px;
        font-size: clamp(14px, 3.8vw, 16px);
        line-height: 1.45;
        gap: 8px;
      }
      .ai-camp-floating-cta svg {
        width: 16px;
        height: 16px;
      }
    }

/* 与 valuation / 首页一致的二维码弹层（页脚 showQRCode 依赖） */
@keyframes fadeInSimple {
  from { opacity: 0; }
  to { opacity: 1; }
}

.ai-camp-page .wechat-tooltip {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-white);
  padding: 32px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  display: none;
  text-align: center;
  max-width: 360px;
  width: 90%;
}

.ai-camp-page .wechat-tooltip.show {
  display: block;
  animation: fadeInSimple 0.3s ease;
}

.ai-camp-page .wechat-tooltip-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(27, 54, 93, 0.4);
  z-index: 1000;
  display: none;
}

.ai-camp-page .wechat-tooltip-overlay.show {
  display: block;
}

.ai-camp-page .wechat-tooltip h4 {
  color: var(--navy-blue);
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.ai-camp-page .close-tooltip {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: var(--bg-cream);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.ai-camp-page .close-tooltip:hover {
  background: var(--gray-200);
  color: var(--navy-blue);
}

.ai-camp-page .qr-code-img {
  width: 160px;
  height: 160px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  display: block;
}