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

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    box-shadow: 0 2px 10px rgba(255, 68, 68, 0.3);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
}

.logo-img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffff88;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffff88;
    transition: width 0.3s ease;
}

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

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页轮播 */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin-top: 70px;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.8s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 30px;
    font-weight: bold;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    animation: slideInUp 1s ease-out;
    line-height: 1.2;
    white-space: nowrap;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    animation: slideInUp 1s ease-out 0.2s both;
}

.cta-button {
    display: inline-block;
    background: rgba(255,255,255,0.95);
    color: #ff4444;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    animation: slideInUp 1s ease-out 0.4s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.4);
    background: white;
    color: #ff4444;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 轮播控制 */
.slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 50px;
    z-index: 10;
    pointer-events: none;
}

.slider-nav button {
    background: rgba(255,255,255,0.9);
    border: none;
    color: #ff4444;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    pointer-events: auto;
}

.slider-nav button:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dot.active {
    background: white;
    transform: scale(1.3);
    border-color: rgba(255,68,68,0.8);
    box-shadow: 0 0 15px rgba(255,255,255,0.5);
}

.dot:hover {
    background: rgba(255,255,255,0.9);
    transform: scale(1.2);
}

/* 服务优势 */
.advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #ff4444;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
}

/* 服务项目 */
.services {
    padding: 80px 0;
    background: white;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #ff4444;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: #ff4444;
    box-shadow: 0 25px 50px rgba(255,68,68,0.2);
}

.service-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.service-icon i {
    font-size: 2.5rem;
    color: white;
}

.service-card h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.service-card p {
    text-align: center;
    color: #666;
    margin-bottom: 25px;
}

.service-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.service-card li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ff4444;
    font-weight: bold;
}

.service-btn {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    color: white;
    padding: 12px 0;
    border-radius: 25px;
    text-decoration: none;
    text-align: center;
    font-weight: bold;
    transition: all 0.3s ease;
}

.service-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,68,68,0.4);
}

/* 产品展示 */
.products {
    padding: 80px 0;
    background: #f8f9fa;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #ff4444;
}

.product-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    gap: 20px;
}

.tab-btn {
    background: white;
    border: 2px solid #ff4444;
    color: #ff4444;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #ff4444;
    color: white;
    transform: translateY(-2px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.product-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.product-image img:hover {
    transform: scale(1.1);
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.product-specs {
    color: #666;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.product-price {
    margin-bottom: 20px;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff4444;
    margin-right: 10px;
}

.original-price {
    color: #999;
    text-decoration: line-through;
    font-size: 1rem;
}

.rent-btn {
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    width: 100%;
}

.rent-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,68,68,0.4);
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #ff4444;
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #555;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-item h3 {
    font-size: 2.5rem;
    color: #ff4444;
    margin-bottom: 10px;
    font-weight: bold;
}

.stat-item p {
    color: #666;
    font-size: 1rem;
    margin: 0;
}

.about-logo {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #ff4444;
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    width: 100%;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.contact-item i {
    font-size: 2.5rem;
    color: #ff4444;
    margin-bottom: 15px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #333;
}

.contact-item p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff4444;
    box-shadow: 0 0 10px rgba(255,68,68,0.2);
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,68,68,0.4);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #333, #555);
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 50%;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #ffaa00;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffaa00;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #ff4444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ffaa00;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, #ff4444, #ffaa00);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.2rem;
        white-space: normal;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 1.1rem;
        line-height: 1.4;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 1.1rem;
    }

    .slide-overlay {
        background: rgba(0, 0, 0, 0.5);
    }

    .slider-nav {
        padding: 0 20px;
    }

    .slider-nav button {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .advantages-grid,
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .contact-info {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stats {
        justify-content: center;
    }

    .product-tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        margin: 5px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        white-space: normal;
        line-height: 1.4;
    }

    .hero-content p {
        font-size: 1rem;
        line-height: 1.5;
    }

    .advantages h2,
    .services h2,
    .products h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }

    .service-card,
    .product-card {
        padding: 25px;
    }

    .stats {
        flex-direction: column;
        gap: 20px;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-item {
        padding: 25px 15px;
    }
}

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

.advantage-card,
.service-card,
.product-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #ff4444, #ffaa00);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #e63939, #e69500);
}