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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: #333;
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.section {
    padding: 80px 0;
}

.bg-gray {
    background: #f5f7fa;
}

.bg-blue {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    color: #1a73e8;
    margin-bottom: 10px;
}

.section-header p {
    color: #666;
    font-size: 16px;
}

/* 顶部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    font-size: 24px;
    color: #1a73e8;
}

.logo span {
    font-size: 12px;
    color: #666;
}

.nav a {
    display: inline-block;
    padding: 10px 20px;
    color: #333;
    font-size: 15px;
    transition: color 0.3s;
}

.nav a:hover,
.nav a.active {
    color: #1a73e8;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #1a73e8;
    padding: 10px 20px;
    border-radius: 25px;
    color: #fff;
}

.phone-num {
    font-size: 18px;
    font-weight: bold;
}

/* Banner */
.banner {
    height: 500px;
    position: relative;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s;
}

.banner-slide.active {
    opacity: 1;
}

.banner-content {
    text-align: center;
    color: #fff;
    max-width: 700px;
    padding: 20px;
}

.banner-icon {
    font-size: 80px;
    margin-bottom: 25px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.banner-content h2 {
    font-size: 40px;
    margin-bottom: 15px;
    font-weight: bold;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.banner-content p {
    font-size: 20px;
    margin-bottom: 20px;
    opacity: 0.95;
    letter-spacing: 1px;
}

.banner-phone {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 25px;
    padding: 10px 30px;
    background: rgba(255,255,255,0.2);
    border-radius: 30px;
    display: inline-block;
    backdrop-filter: blur(10px);
}

.banner-btn {
    display: inline-block;
    padding: 15px 45px;
    background: #fff;
    color: #333;
    border-radius: 30px;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.banner-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* 轮播指示器 */
.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dots .dot.active {
    background: #fff;
    transform: scale(1.3);
}

/* 轮播指示器 */
.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dots .dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* 服务项目 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-card.featured {
    border: 2px solid #1a73e8;
}

.service-icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 10px;
}

.service-price {
    color: #1a73e8;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
}

.service-list li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

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

.service-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 25px;
    background: #1a73e8;
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    transition: background 0.3s;
}

.service-btn:hover {
    background: #0d47a1;
}

/* 适用场景 */
.scenes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.scene-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.scene-icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.scene-item h3 {
    color: #1a73e8;
    margin-bottom: 10px;
}

.scene-item p {
    color: #666;
    font-size: 14px;
}

/* 优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: #1a73e8;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
}

.advantage-item h3 {
    color: #1a73e8;
    margin-bottom: 10px;
}

.advantage-item p {
    color: #666;
    font-size: 14px;
}

/* 预约表单 */
.booking-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
}

.booking-info h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.booking-info p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.booking-phone {
    display: flex;
    align-items: center;
    gap: 20px;
}

.big-phone {
    font-size: 60px;
}

.phone-label {
    font-size: 14px;
    opacity: 0.8;
}

.phone-number {
    font-size: 28px;
    font-weight: bold;
}

.booking-form {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.booking-form textarea {
    height: 100px;
    margin-bottom: 15px;
    resize: none;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #fff;
    color: #1a73e8;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.submit-btn:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-col h3 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.footer-col p,
.footer-col li {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-col li {
    cursor: pointer;
}

.footer-col li:hover {
    color: #1a73e8;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #666;
    font-size: 13px;
}

/* 响应式 */
@media (max-width: 992px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .services-grid,
    .scenes-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .booking-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .nav a {
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
    
    .services-grid,
    .scenes-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}