/* ===================================
   驰骋驾校 - 全局样式
   年轻化活泼风格设计
   =================================== */

/* 根变量 - 配色方案 */
:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --dark-color: #2D3436;
    --light-bg: #F7F7F7;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    --gradient-secondary: linear-gradient(135deg, #4ECDC4 0%, #44A8B3 100%);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--dark-color);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    background: var(--white) !important;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    font-weight: 700;
}

.nav-link {
    color: var(--dark-color) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Hero区域 */
.hero-section {
    background: var(--gradient-primary);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.95;
}

.btn-hero {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: var(--primary-color);
}

/* 数据统计 */
.stats-section {
    padding: 4rem 0;
    background: var(--white);
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
}

/* 卡片通用样式 */
.card-custom {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    will-change: transform;
}

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

/* 优势卡片 */
.advantage-card {
    padding: 2rem;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.advantage-description {
    flex-grow: 1;
    margin-top: auto;
}

/* 教练卡片 */
.coach-card {
    text-align: center;
}

.coach-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--secondary-color);
    box-shadow: var(--shadow-soft);
}

.coach-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.coach-info {
    color: #666;
    margin-bottom: 1rem;
}

.coach-rating {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* 评价卡片 */
.review-card {
    padding: 2rem;
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
}

.review-author {
    font-weight: 700;
    font-size: 1.1rem;
}

.review-meta {
    color: #666;
    font-size: 0.9rem;
}

.review-content {
    color: #555;
    line-height: 1.8;
}

/* 报名表单 */
.enroll-section {
    padding: 4rem 0;
    background: var(--white);
}

.form-control-custom {
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    padding: 0.8rem 1.2rem;
    transition: all 0.3s ease;
}

.form-control-custom:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 107, 0.25);
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--white);
}

/* 课程选择卡片 */
.course-card {
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.course-card.selected {
    border-color: var(--primary-color);
    background: rgba(255, 107, 107, 0.05);
}

.course-card:hover {
    border-color: var(--secondary-color);
}

/* 按钮通用 */
.btn-primary-custom {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--white);
}

/* 页脚 */
footer {
    background: var(--dark-color) !important;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* 浮动动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* 加载动画 */
.spinner {
    border: 4px solid rgba(255, 107, 107, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 成功提示 */
.success-message {
    background: linear-gradient(135deg, #4ECDC4 0%, #44A8B3 100%);
    color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

/* 页面标题 */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--secondary-color);
}

.timeline-item {
    margin-bottom: 2rem;
    position: relative;
}

/* 相册网格 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* 响应式调整基础 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        padding: 3rem 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
}