/* ===================================
   她需要你：女性急救必修课
   课程宣传网站样式
   =================================== */

/* CSS Variables */
:root {
    /* 主色调 - 粉红/紫色系 */
    --primary: #e91e63;
    --primary-dark: #c2185b;
    --primary-light: #f8bbd9;
    --primary-rgb: 233, 30, 99;

    /* 辅色 */
    --secondary: #7c4dff;
    --secondary-dark: #5e35b1;

    /* 强调色 */
    --accent: #ff4081;
    --warning: #ff5252;
    --success: #00c853;

    /* 中性色 */
    --text-dark: #1a1a2e;
    --text-medium: #4a4a68;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --off-white: #faf5f8;
    --bg-light: #fff5f8;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 20px rgba(233, 30, 99, 0.12);
    --shadow-lg: 0 8px 40px rgba(233, 30, 99, 0.18);
    --shadow-hover: 0 12px 48px rgba(233, 30, 99, 0.2);

    /* 圆角 */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* 字体 */
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

/* 工具类 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.9;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

.nav-links a:not(.btn-nav):hover {
    opacity: 0.9;
}

.btn-nav {
    background: var(--white);
    color: var(--primary) !important;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 600 !important;
    transition: var(--transition);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 120px 24px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    opacity: 0.95;
    margin-bottom: 32px;
    font-weight: 400;
}

.hero-stat {
    font-size: 1.1rem;
    background: rgba(255,255,255,0.15);
    padding: 20px 36px;
    border-radius: var(--radius-xl);
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    display: inline-block;
}

.hero-stat .stat-highlight {
    display: block;
    margin-bottom: 8px;
    opacity: 0.9;
}

.hero-stat strong {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #ffd54f;
    font-weight: 900;
}

.btn-primary {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 18px 56px;
    border-radius: var(--radius-xl);
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.hero-meta {
    margin-top: 24px;
    opacity: 0.85;
    font-size: 1rem;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.hero-scroll svg {
    stroke: var(--white);
}

/* ===================================
   Section Base Styles
   =================================== */
section {
    padding: 100px 24px;
}

section h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-intro {
    text-align: center;
    color: var(--text-light);
    font-size: 1.15rem;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   Problem Section
   =================================== */
.problem {
    background: var(--bg-light);
}

.alert-banner {
    background: linear-gradient(135deg, #fff5f5 0%, #ffecec 100%);
    border-left: 4px solid var(--warning);
    color: var(--text-dark);
    padding: 24px 32px;
    border-radius: var(--radius);
    text-align: left;
    margin: 0 auto 50px;
    max-width: 800px;
    box-shadow: 0 4px 20px rgba(255, 82, 82, 0.1);
}

.alert-banner .alert-icon {
    font-size: 1.5rem;
    margin-right: 12px;
    vertical-align: middle;
}

.alert-banner .alert-title {
    font-size: 1.1rem;
    font-weight: 700;
    display: inline;
    color: var(--text-dark);
}

.alert-banner .alert-text {
    font-size: 0.95rem;
    color: var(--text-light);
    display: block;
    margin-top: 8px;
    padding-left: 36px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.stat-card {
    background: var(--white);
    padding: 48px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.stat-card.highlight::before {
    background: linear-gradient(90deg, var(--warning), var(--primary));
    height: 6px;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.stat-card.highlight {
    background: linear-gradient(135deg, #fff5f5 0%, #ffeef2 100%);
    border: 2px solid #ffcdd2;
}

.stat-number {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1;
}

.stat-card.highlight .stat-number {
    color: var(--warning);
}

.stat-label {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.stat-compare {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 8px 16px;
    background: var(--off-white);
    border-radius: 20px;
    display: inline-block;
}

.stat-card.highlight .stat-compare {
    background: rgba(255, 82, 82, 0.1);
    color: var(--text-dark);
    font-weight: 600;
}

.stat-gap {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--warning);
    font-weight: 700;
}

.reasons {
    margin-top: 60px;
}

.reasons h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
    font-weight: 700;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.reason-card {
    background: var(--white);
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary);
}

.reason-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.reason-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
}

.reason-card h4 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.reason-card p {
    color: var(--text-light);
    font-size: 1rem;
}

.data-source {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===================================
   Impact Quote Section
   =================================== */
.impact-quote {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 100px 24px;
    text-align: center;
}

.impact-quote blockquote {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto;
    color: var(--white);
}

.quote-mark {
    font-size: 3rem;
    color: rgba(255,255,255,0.3);
    display: block;
    margin-bottom: 16px;
}

.impact-quote blockquote strong {
    color: #ffd54f;
}

/* ===================================
   Course Section
   =================================== */
.course {
    background: var(--white);
}

.course-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--off-white);
    padding: 16px 28px;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    color: var(--text-dark);
}

.detail-icon {
    font-size: 1.4rem;
}

.key-learning h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
    font-weight: 700;
}

.learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.learning-card {
    background: var(--off-white);
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

.learning-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.learning-card h4 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.learning-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===================================
   Modules Section
   =================================== */
.modules {
    background: var(--bg-light);
}

.modules-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.module-card {
    display: flex;
    gap: 28px;
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.module-card:hover {
    transform: translateX(12px);
    box-shadow: var(--shadow-hover);
}

.module-number {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--primary-light);
    flex-shrink: 0;
    width: 72px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-content {
    flex: 1;
}

.module-content h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.module-content > p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.module-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px;
}

.module-content li {
    color: var(--text-light);
    font-size: 0.9rem;
    padding-left: 20px;
    position: relative;
}

.module-content li::before {
    content: '·';
    color: var(--primary);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.module-time {
    display: inline-block;
    margin-top: 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===================================
   Symptoms Section
   =================================== */
.symptoms {
    background: var(--white);
}

.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.symptom-card {
    background: var(--off-white);
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.symptom-card.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
}

.symptom-card.highlight h4,
.symptom-card.highlight p {
    color: var(--white);
}

.symptom-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
}

.symptom-card h4 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.symptom-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===================================
   Scripts Section
   =================================== */
.scripts-section {
    background: var(--bg-light);
}

.scripts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.script-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.script-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.script-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.script-icon {
    font-size: 1.8rem;
}

.script-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.script-content {
    padding: 24px;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.7;
    background: #fffbfd;
}

.key-point {
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cc 100%);
    border-left: 4px solid #ffd54f;
    padding: 28px 32px;
    border-radius: var(--radius);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.key-icon {
    font-size: 2.5rem;
}

.key-point strong {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.key-point p {
    color: var(--text-medium);
    margin-top: 4px;
}

/* ===================================
   Checklist Section
   =================================== */
.checklist-section {
    background: var(--white);
}

.checklist-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.checklist-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--off-white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.checklist-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.checkmark {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.checklist-item h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-weight: 700;
}

.checklist-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===================================
   Instructor Section
   =================================== */
.instructor {
    background: var(--off-white);
}

.instructor-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 56px 48px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.instructor-info h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 16px;
    font-weight: 700;
}

.instructor-info > p {
    color: var(--text-light);
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.instructor-credentials {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.instructor-credentials li {
    background: var(--off-white);
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    color: var(--text-medium);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

/* ===================================
   Impact Stats Section
   =================================== */
.impact-stats {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 80px 24px;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.impact-card {
    text-align: center;
    color: var(--white);
}

.impact-number {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
}

.impact-unit {
    font-size: 2rem;
    color: #ffd54f;
    font-weight: 700;
}

.impact-label {
    margin-top: 16px;
    font-size: 1rem;
    opacity: 0.9;
}

/* ===================================
   Register Section
   =================================== */
.register {
    background: var(--bg-light);
}

.register-form {
    max-width: 600px;
    margin: 0 auto 40px;
    background: var(--white);
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #eeeeee;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 18px;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.4);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
}

.contact-info {
    text-align: center;
    color: var(--text-medium);
    font-size: 1rem;
}

.contact-info p {
    margin: 8px 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 24px 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.footer-brand p {
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-tagline {
    margin-top: 16px;
    font-size: 0.9rem !important;
    line-height: 1.7;
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-bottom .disclaimer {
    margin-top: 12px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding: 100px 20px 40px;
    }

    .hero-stat {
        padding: 16px 24px;
    }

    .btn-primary {
        padding: 16px 40px;
        font-size: 1rem;
    }

    section {
        padding: 60px 20px;
    }

    .module-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .module-number {
        width: 100%;
        padding: 12px;
        background: var(--off-white);
        border-radius: var(--radius);
    }

    .module-content ul {
        grid-template-columns: 1fr;
    }

    .stats-grid,
    .reasons-grid,
    .learning-grid,
    .symptoms-grid,
    .scripts-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .register-form {
        padding: 32px 24px;
    }

    .instructor-card {
        padding: 40px 24px;
    }

    .impact-quote {
        padding: 60px 20px;
    }

    .key-point {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .impact-number {
        font-size: 3.5rem;
    }

    .checklist-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   主页新增组件 - 案例摘要 & FAQ
   =================================== */

/* 案例摘要区域 */
.cases-preview {
    padding: 80px 0;
    background: linear-gradient(135deg, #faf5f8 0%, #f3e5f5 100%);
}

.cases-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.case-preview-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

.case-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.case-preview-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.case-preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.case-preview-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.case-preview-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.case-preview-content p strong {
    color: var(--text-dark);
}

.case-preview-lesson {
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    margin: 20px 0;
    border-left: 3px solid var(--primary);
}

.case-preview-lesson strong {
    color: var(--primary);
}

.cases-preview-cta {
    text-align: center;
    margin-top: 40px;
}

.btn-case-detail {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-case-detail:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

.btn-case-detail::after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-case-detail:hover::after {
    transform: translateX(4px);
}

/* 查看详情按钮 */
.btn-module-detail,
.btn-view-all {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    margin-top: 24px;
}

.btn-module-detail:hover,
.btn-view-all:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-module-detail::after,
.btn-view-all::after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-module-detail:hover::after,
.btn-view-all:hover::after {
    transform: translateX(4px);
}

/* 查看更多按钮 */
.btn-view-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-view-more:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-view-more::after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-view-more:hover::after {
    transform: translateX(4px);
}

/* FAQ 区域 */
.faq-section {
    padding: 80px 0;
    background: var(--white);
}

.faq-section h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 48px;
}

.faq-item {
    max-width: 800px;
    margin: 0 auto 16px;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    background: var(--white);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.faq-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--primary);
    border: none;
    font-size: 1.5rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-toggle {
    background: var(--primary);
    color: white;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ===================================
   课程详情页组件样式
   =================================== */

/* 页面头部 */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* 模块详情页 */
.module-detail {
    padding: 80px 0;
}

.module-detail.alt-bg {
    background: var(--bg-light);
}

.module-header {
    text-align: center;
    margin-bottom: 48px;
}

.module-tag {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.module-header h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.module-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.module-time-large {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 16px;
}

.module-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    color: var(--text-medium);
}

/* 数据区域 */
.data-section {
    margin: 40px 0;
}

.data-section h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.data-source {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
    font-style: italic;
}

.data-table-wrapper {
    overflow-x: auto;
    margin: 24px 0;
}

/* 关键事实 */
.key-fact {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    margin: 32px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.key-fact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.key-fact strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.key-fact p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1rem;
}

/* 数据表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.data-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background: var(--bg-light);
}

.data-table tr:last-child th,
.data-table tr:last-child td {
    border-bottom: none;
}

/* 震撼数据 */
.shock-stat {
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.08) 0%, rgba(124, 77, 255, 0.08) 100%);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    margin: 40px 0;
    text-align: center;
}

.shock-stat h3 {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    font-weight: 500;
}

.big-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 16px;
}

.stat-explanation {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.stat-explanation strong {
    color: var(--text-dark);
}

.stat-detail {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.shock-stat-label {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-top: 16px;
}

/* 模块总结 */
.module-conclusion {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    margin: 40px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.module-conclusion h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-light);
}

.conclusion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.conclusion-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.conclusion-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.conclusion-item strong {
    display: block;
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.conclusion-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.conclusion-final {
    padding: 20px;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(124, 77, 255, 0.05));
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.conclusion-final strong {
    color: var(--primary);
}

/* 统一小标题样式 */
.module-detail h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 48px 0 24px;
    text-align: center;
}

/* 影视剧对比 */
.media-vs-reality {
    margin: 32px 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 100%;
    overflow: hidden;
}

.comparison-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow-wrap: break-word;
    max-width: 100%;
}

.comparison-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.comparison-card h4 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.comparison-card ul {
    list-style: none;
    margin-bottom: 16px;
}

.comparison-card ul li {
    padding: 8px 0;
    color: var(--text-medium);
    border-bottom: 1px solid #f0f0f0;
}

.comparison-card ul li:last-child {
    border-bottom: none;
}

.comparison-card.media h4 {
    color: var(--text-dark);
}

.comparison-card.reality h4 {
    color: var(--primary);
}

.comparison-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

/* 症状详情 */
.symptoms-detail {
    margin: 32px 0;
}

.symptoms-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.symptom-detail-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100%;
}

.symptom-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.symptom-detail-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.symptom-detail-card h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.symptom-detail-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.symptom-detail-card .misjudge {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.symptom-detail-card.highlight {
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(124, 77, 255, 0.05));
    border: 2px solid var(--primary-light);
}

/* 口诀 */
.mnemonic {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    padding: 32px 24px;
    margin: 32px 0;
    text-align: center;
    overflow-x: hidden;
    max-width: 100%;
}

.mnemonic-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.mnemonic h3 {
    color: white;
    margin: 0 0 16px;
    text-align: center;
    font-size: 1.3rem;
    padding: 0 8px;
}

.mnemonic-text {
    font-size: 1.2rem;
    color: white;
    margin-bottom: 16px;
    font-weight: 600;
}

.mnemonic p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 0 8px;
}

/* 案例详情 */
.cases-section {
    margin: 40px 0;
}

.cases-section h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.case-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    margin: 40px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--warning);
}

.case-header {
    margin-bottom: 24px;
}

.case-number {
    display: inline-block;
    padding: 6px 12px;
    background: var(--warning);
    color: white;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin: 0;
}

.case-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.case-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-info-item strong {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.case-info-item span {
    color: var(--text-dark);
    font-size: 0.95rem;
}

.case-narrative h5 {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.case-narrative p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 16px;
}

.case-narrative .case-lesson {
    padding: 16px;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(124, 77, 255, 0.05));
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    font-weight: 600;
}

.case-source {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.case-source em {
    color: var(--text-dark);
}

.intl-data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.intl-stat {
    text-align: center;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.intl-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.intl-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 12px;
}

.intl-stat p {
    color: var(--text-medium);
    font-size: 1rem;
    margin-bottom: 12px;
    line-height: 1.6;
}

.study-ref {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* 三大原因详情 */
.three-reasons {
    margin: 40px 0;
}

.three-reasons h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.reasons-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.reason-detail-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.reason-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.reason-detail-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    display: block;
}

.reason-detail-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.reason-detail-card > p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.reason-detail-content {
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.reason-detail-content p {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 案例卡片 */
.case-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    margin: 24px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--warning);
}

.case-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.case-card .case-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.case-card .case-content {
    color: var(--text-medium);
    line-height: 1.8;
}

.case-card .case-lesson {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-weight: 600;
    color: var(--primary);
}

/* 话术模板可打印区域 */
.scripts-printable {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    margin: 32px 0;
}

.scripts-printable h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.script-scenario {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e0e0e0;
}

.script-scenario:last-child {
    border-bottom: none;
}

.script-scenario h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.script-dialog {
    background: var(--bg-light);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin: 12px 0;
}

.script-dialog p {
    margin: 8px 0;
    color: var(--text-medium);
}

.script-dialog strong {
    color: var(--text-dark);
}

/* 流程图 */
.flow-diagram {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    margin: 32px 0;
    box-shadow: var(--shadow);
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.flow-step {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.flow-step:hover {
    background: var(--primary-light);
    transform: translateX(8px);
}

.flow-step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-right: 16px;
}

.flow-step-content h5 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.flow-step-content p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 支持者表格 */
.supporters-table {
    width: 100%;
    overflow-x: auto;
    margin: 32px 0;
}

.supporters-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.supporters-table th,
.supporters-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.supporters-table th {
    background: var(--secondary);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.supporters-table input,
.supporters-table select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.supporters-table input:focus,
.supporters-table select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

/* 互动测试 */
.quiz-section {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    margin: 32px 0;
    box-shadow: var(--shadow);
}

.quiz-section h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.quiz-question {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 24px;
}

.quiz-option {
    padding: 16px 20px;
    margin: 12px 0;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary);
    background: var(--bg-light);
}

.quiz-option.selected {
    border-color: var(--success);
    background: rgba(0, 200, 83, 0.05);
}

.quiz-option label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
}

.quiz-option input[type="checkbox"] {
    margin-top: 4px;
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.option-feedback {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-medium);
    display: none;
}

.option-feedback.correct {
    background: rgba(0, 200, 83, 0.1);
    color: #00c853;
}

.option-feedback.incorrect {
    background: rgba(255, 82, 82, 0.1);
    color: #ff5252;
}

.quiz-answer {
    margin-top: 24px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
}

/* 讲师培养路径 */
.path-timeline {
    position: relative;
    padding: 20px 0;
}

.path-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.path-item {
    position: relative;
    padding-left: 64px;
    margin-bottom: 32px;
}

.path-item:last-child {
    margin-bottom: 0;
}

.path-number {
    position: absolute;
    left: 8px;
    top: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 1;
}

.path-content h4 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.path-content p {
    color: var(--text-light);
    line-height: 1.8;
}

.path-meta {
    display: flex;
    gap: 24px;
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.path-meta span {
    display: flex;
    align-items: center;
}

.path-meta span::before {
    content: '';
    margin-right: 6px;
}

/* 讲师卡片详情 */
.instructor-detail-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.instructor-detail-photo {
    width: 200px;
    height: 200px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    flex-shrink: 0;
}

.instructor-detail-info h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.instructor-detail-info .instructor-title {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.instructor-detail-info p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
}

.instructor-certifications {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-dark);
    font-weight: 500;
}

.cert-badge::before {
    content: '✓';
    margin-right: 6px;
    color: var(--success);
}

/* 下一模块按钮 */
.next-module-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
    margin: 32px 0;
}

.next-module-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.next-module-btn::after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.next-module-btn:hover::after {
    transform: translateX(4px);
}

/* 屏障卡片 */
.barriers-section {
    margin: 40px 0;
}

.barriers-section h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.barriers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.barrier-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.barrier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.barrier-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 16px;
}

.barrier-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.barrier-thought {
    font-style: italic;
    color: var(--text-light);
    background: var(--bg-light);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
}

/* 施救流程 */
.rescue-flow {
    margin: 40px 0;
}

.rescue-flow h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

/* 解决方案 */
.solutions-section {
    margin: 40px 0;
}

.solutions-section h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.solution-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    margin: 24px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.solution-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.solution-header h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin: 0;
}

.solution-content p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 16px;
}

.solution-principle {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* 话术框 */
.script-box {
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(124, 77, 255, 0.05));
    border-radius: var(--radius);
    padding: 20px;
    margin: 16px 0;
    border-left: 4px solid var(--primary);
}

.script-box.sub {
    background: var(--bg-light);
    border-left-color: var(--secondary);
}

.script-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    font-weight: 600;
}

.script-text {
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.7;
    font-style: italic;
}

/* 关键点框 */
.key-point-box {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
}

.key-point-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.key-point-box p {
    margin: 0;
    color: var(--text-dark);
    font-weight: 600;
}

/* 打印优化 */
@media print {
    .nav,
    .next-module-btn,
    .back-to-home,
    .faq-section,
    footer,
    .btn-module-detail,
    .btn-case-detail,
    .btn-view-all {
        display: none !important;
    }

    .scripts-printable,
    .flow-diagram,
    .supporters-table {
        break-inside: avoid;
    }

    body {
        font-size: 12px;
    }

    .module-detail {
        padding: 20px 0;
    }
}

/* 详情页响应式 */
@media (max-width: 768px) {
    .page-header {
        padding: 80px 0 40px;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .module-detail {
        padding: 40px 0;
    }

    .scripts-printable,
    .flow-diagram,
    .quiz-section,
    .instructor-detail-card {
        padding: 24px;
    }

    .instructor-detail-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .instructor-detail-photo {
        width: 150px;
        height: 150px;
        font-size: 4rem;
    }

    .shock-stat {
        padding: 32px 20px;
    }

    .big-number {
        font-size: 2.5rem;
    }

    .stat-explanation {
        font-size: 1rem;
    }

    .stat-detail {
        font-size: 0.9rem;
    }

    .intl-data {
        padding: 24px;
    }

    .intl-number {
        font-size: 2.5rem;
    }

    .reason-detail-icon {
        font-size: 3rem;
    }

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

    .conclusion-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .conclusion-icon {
        font-size: 2rem;
    }

    /* 模块 2 响应式 */
    .symptoms-detail-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .symptom-detail-card {
        padding: 16px;
    }

    .symptom-detail-icon {
        font-size: 2.5rem;
    }

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

    .comparison-card {
        padding: 20px;
    }

    .mnemonic {
        padding: 24px 16px;
    }

    .mnemonic h3 {
        font-size: 1.1rem;
    }

    .mnemonic-text {
        font-size: 1rem;
    }

    .flow-step {
        padding: 12px 16px;
    }

    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 12px 10px;
    }

    .path-timeline::before {
        left: 16px;
    }

    .path-item {
        padding-left: 48px;
    }

    .path-number {
        left: 0;
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
}