/* ==========================================
   金蜻蜓航空科技 - 企业网站样式
   配色方案：科技蓝色调
   ========================================== */

/* CSS变量定义 */
:root {
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3399FF;
    --secondary-color: #00A8E8;
    --accent-color: #FF6B00;
    --accent-light: #FF8533;
    --dark-color: #1A1A2E;
    --dark-blue: #0D1B2A;
    --light-color: #F8F9FA;
    --gray-100: #F5F7FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* 基础样式重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-block {
    width: 100%;
}

/* ==========================================
   导航栏
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--white);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--accent-color);
    padding: 8px 20px !important;
    border-radius: var(--border-radius);
    color: var(--white) !important;
}

.nav-cta:hover {
    background: var(--accent-light);
}

.nav-cta::after {
    display: none;
}

/* 移动端导航切换按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ==========================================
   首屏Banner
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--dark-color) 50%, #16213E 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 168, 232, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 102, 204, 0.15) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 100px 20px 60px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 168, 232, 0.2);
    border: 1px solid rgba(0, 168, 232, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    margin-bottom: 20px;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 102, 204, 0.3);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--secondary-color);
    margin-top: 10px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease 1s both;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.hero-scroll a:hover {
    color: var(--white);
}

/* ==========================================
   通用区块样式
   ========================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   关于我们
   ========================================== */
.about {
    background: var(--gray-100);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card h3 i {
    color: var(--primary-color);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-list li {
    color: var(--gray-700);
    font-size: 0.95rem;
    padding-left: 15px;
    position: relative;
}

.info-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

.about-certifications {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.cert-title {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-title i {
    color: var(--accent-color);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.cert-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 168, 232, 0.05));
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.cert-icon {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.cert-item span {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 500;
}

.cert-item em {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-style: normal;
    font-weight: 600;
}

/* 资质证书图片展示 */
.cert-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.cert-gallery-item {
    text-align: center;
}

.cert-gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.cert-gallery-item:hover img {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.cert-gallery-item span {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ==========================================
   核心业务
   ========================================== */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

/* 当容器中任意卡片被悬浮时，所有卡片变淡 */
.services-grid:hover .service-card {
    border-color: transparent;
    opacity: 0.6;
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
}

/* 被悬浮的卡片恢复高亮 */
.services-grid:hover .service-card:hover {
    opacity: 1;
    transform: translateY(-8px) scale(1);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary-color);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.3);
}

.service-card:hover .service-title {
    color: var(--primary-color);
}

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.02), var(--white));
}

.service-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.4s ease;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.service-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.service-desc {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-types {
    margin-bottom: 20px;
}

.type-item {
    padding: 15px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.type-item.highlight {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 168, 232, 0.05));
    border: 1px solid var(--primary-color);
}

.type-name {
    display: block;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.type-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.type-price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--gray-500);
}

.type-desc, .type-duration {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 5px;
}

.service-features {
    margin-bottom: 25px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.service-features li i {
    color: var(--primary-color);
}

.service-price-box {
    text-align: center;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.price-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 5px;
}

.price-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
}

.price-unit {
    font-size: 1rem;
    color: var(--gray-500);
}

.service-schedule {
    margin-bottom: 20px;
}

.service-schedule h4 {
    font-size: 1rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.schedule-timeline {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.timeline-item {
    display: flex;
    gap: 15px;
    padding: 12px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.timeline-item .day {
    font-weight: 700;
    color: var(--primary-color);
    min-width: 50px;
}

.timeline-item .content {
    font-size: 0.85rem;
    color: var(--gray-700);
}

.service-levels {
    margin-bottom: 20px;
}

.level-item {
    display: grid;
    grid-template-columns: 60px 80px 1fr;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
}

.level-name {
    font-weight: 700;
    color: var(--primary-color);
}

.level-target {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.level-price {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: right;
}

/* ==========================================
   课程体系
   ========================================== */
.courses {
    background: var(--gray-100);
}

.courses-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 35px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-600);
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.course-path {
    display: flex;
    align-items: stretch;
    gap: 20px;
    margin-bottom: 50px;
}

.path-item {
    flex: 1;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.path-stage {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 25px;
    text-align: center;
    color: var(--white);
}

.stage-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
}

.stage-name {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
}

.stage-age {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
}

.path-content {
    padding: 25px;
}

.path-content h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.path-content ul {
    margin-bottom: 15px;
}

.path-content ul li {
    padding: 6px 0;
    color: var(--gray-700);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.path-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.path-goal {
    font-size: 0.85rem;
    color: var(--gray-600);
    padding: 12px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.path-arrow {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.class-schedule {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.class-schedule h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.class-schedule h3 i {
    color: var(--primary-color);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.schedule-item {
    padding: 25px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    text-align: center;
}

.schedule-item h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.schedule-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.schedule-item span {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
}

.adult-courses {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.adult-course-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

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

.course-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.course-header h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
}

.course-list li {
    padding: 10px 0;
    color: var(--gray-700);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray-200);
}

.course-list li:last-child {
    border-bottom: none;
}

.course-list li strong {
    color: var(--dark-color);
}

/* ==========================================
   师资场地
   ========================================== */
.team {
    background: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.team-instructors, .team-facility {
    background: var(--gray-100);
    padding: 35px;
    border-radius: var(--border-radius-lg);
}

.team-instructors h3, .team-facility h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.team-instructors h3 i, .team-facility h3 i {
    color: var(--primary-color);
}

.instructor-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.feature-content h4 {
    font-size: 1rem;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.facility-features {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
}

.facility-item {
    text-align: center;
}

.facility-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    display: block;
}

.facility-unit {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.facility-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-top: 5px;
}

.facility-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.facility-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--white);
    border-radius: var(--border-radius);
    color: var(--gray-700);
    font-size: 0.95rem;
}

.facility-list li i {
    color: var(--primary-color);
}

.facility-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ==========================================
   荣誉成就
   ========================================== */
.achievements {
    background: linear-gradient(135deg, var(--dark-blue), var(--dark-color));
    color: var(--white);
}

.achievements .section-tag {
    color: var(--secondary-color);
}

.achievements .section-title {
    color: var(--white);
}

.achievements .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.achievements-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.awards-section h3, .cases-section h3 {
    font-size: 1.25rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.awards-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.award-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.award-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.award-card.gold {
    border-color: rgba(255, 215, 0, 0.3);
}

.award-card.silver {
    border-color: rgba(192, 192, 192, 0.3);
}

.award-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.award-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.award-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.award-result {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.result-item {
    background: rgba(0, 168, 232, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.result-item.highlight {
    background: var(--accent-color);
}

.award-desc {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.6) !important;
}

.award-img {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--border-radius);
    margin-top: 15px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
}

/* 横排荣誉卡片：文字左，图片右 */
.award-card-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.award-card-row .award-card-text {
    flex: 1;
    min-width: 0;
}

.award-card-row .award-img {
    flex: 0 0 220px;
    width: 220px;
    height: 165px;
    max-height: none;
    object-fit: cover;
    margin-top: 0;
    align-self: center;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
}

/* 比赛活动照片 */
.awards-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.photo-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.photo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.photo-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.photo-item span {
    display: block;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    text-align: center;
}

.cases-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-item {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: var(--border-radius-lg);
}

.case-date {
    text-align: center;
    min-width: 70px;
}

.case-date .year {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.case-date .month {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.case-content h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.case-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 10px;
}

.case-stats span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.case-stats strong {
    color: var(--secondary-color);
}

.case-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.case-content p strong {
    color: var(--accent-color);
}

/* ==========================================
   政策背景
   ========================================== */
.policy {
    background: var(--gray-100);
}

.policy-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.policy-national h3, .policy-local h3, .industry-prospects h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.policy-national h3 i, .policy-local h3 i, .industry-prospects h3 i {
    color: var(--primary-color);
}

.policy-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.policy-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.policy-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.policy-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.policy-card h4 {
    font-size: 1.15rem;
    color: var(--dark-color);
    margin-bottom: 12px;
}

.policy-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

.policy-card p strong {
    color: var(--accent-color);
}

.local-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.local-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.local-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gray-200);
}

.local-region {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-color);
}

.local-target {
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.local-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.local-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.local-list li i {
    color: var(--primary-color);
}

.local-list li strong {
    color: var(--accent-color);
}

.prospects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.prospect-item {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.prospect-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.prospect-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 15px;
}

.prospect-item h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.prospect-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.prospect-item p strong {
    color: var(--accent-color);
}

.prospect-item span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ==========================================
   联系我们
   ========================================== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.contact-info {
    display: contents;
}

.info-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--gray-100);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.info-item:hover {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 168, 232, 0.05));
}

.info-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.3rem;
    color: var(--white);
}

.info-content h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.info-content p {
    color: var(--gray-700);
    font-size: 1rem;
    margin-bottom: 3px;
}

.info-content p a {
    color: var(--primary-color);
    font-weight: 600;
}

.info-content p a:hover {
    color: var(--accent-color);
}

.info-content span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.contact-form-wrapper {
    background: var(--gray-100);
    padding: 35px;
    border-radius: var(--border-radius-lg);
}

.contact-form-wrapper h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form-wrapper h3 i {
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 35px;
    border-radius: var(--border-radius-lg);
    color: var(--white);
}

.cta-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cta-content p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.cta-qr {
    text-align: center;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.qr-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.qr-placeholder span {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* ==========================================
   页脚
   ========================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.footer-company {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.5) !important;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--secondary-color);
}

.footer-bottom {
    padding-top: 25px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: 5px;
}

/* ==========================================
   返回顶部
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ==========================================
   动画
   ========================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .course-path {
        flex-direction: column;
    }
    
    .path-arrow {
        transform: rotate(90deg);
        justify-content: center;
    }
    
    .adult-courses {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .policy-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .prospects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--dark-color);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
    }
    
    .adult-courses {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .facility-gallery {
        grid-template-columns: 1fr;
    }
    
    .achievements-content {
        grid-template-columns: 1fr;
    }
    
    .cert-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .awards-photos {
        grid-template-columns: 1fr;
    }
    
    .policy-cards {
        grid-template-columns: 1fr;
    }
    
    .local-grid {
        grid-template-columns: 1fr;
    }
    
    .prospects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cta {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact p {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .level-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 5px;
    }
    
    .level-price {
        text-align: center;
    }
    
    .case-item {
        flex-direction: column;
        text-align: center;
    }
    
    .case-stats {
        justify-content: center;
    }
}