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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #FF6B6B;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #FF6B6B;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #FF6B6B;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.nav-icons {
    display: flex;
    align-items: center;
}

.nav-icons .icon {
    margin: 0 0.5rem;
    color: #333;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.nav-icons .icon:hover {
    color: #FF6B6B;
}

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,107,107,0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
    100% { transform: scale(1); opacity: 0.3; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #FF6B6B;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,107,107,0.3);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn:hover {
    background-color: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,107,107,0.4);
}

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

/* 产品展示 */
.products {
    padding: 6rem 0;
    background-color: #fff;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.products h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #FF6B6B;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover img {
    transform: scale(1.05);
}

.product-card h3 {
    padding: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.product-card p {
    padding: 0 1rem 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #FF6B6B;
}

.add-to-cart {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #333;
    color: #fff;
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.add-to-cart:hover {
    background-color: #FF6B6B;
}

/* 品牌故事 */
.brand-story {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.brand-story .container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

@media (min-width: 768px) {
    .brand-story .container {
        flex-direction: row;
        align-items: center;
    }
    
    .story-content,
    .story-image {
        flex: 1;
    }
}

.story-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
    position: relative;
}

.story-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 4px;
    background-color: #FF6B6B;
}

.story-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.8;
}

.story-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* 促销活动 */
.promotion {
    padding: 4rem 0;
    background-color: #FF6B6B;
    color: #fff;
    text-align: center;
}

.promotion h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.promo-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.promotion .btn {
    background-color: #fff;
    color: #FF6B6B;
}

.promotion .btn:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
}

/* 促销活动条款 */
.promo-terms {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 1rem;
}

/* 合规性内容 */
.compliance {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.compliance h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.compliance h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #FF6B6B;
}

/* Tab样式 */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 1rem;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background-color: #f0f0f0;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.tab-btn:hover {
    background-color: #e0e0e0;
}

.tab-btn.active {
    background-color: #FF6B6B;
    color: #fff;
}

/* Tab内容样式 */
.tab-content {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 2rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-pane h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
    position: relative;
    padding-bottom: 0.5rem;
}

.tab-pane h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #FF6B6B;
}

.tab-pane h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color: #333;
}

.tab-pane p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.6;
}

.tab-pane ul,
.tab-pane ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    color: #666;
}

.tab-pane li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* 响应式Tab */
@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tab-btn {
        width: 100%;
        text-align: left;
    }
    
    .tab-content {
        padding: 1.5rem;
    }
}

/* 法律链接 */
.legal-links {
    list-style: none;
    padding: 0;
}

.legal-links li {
    margin-bottom: 0.5rem;
}

.legal-links li a {
    text-decoration: none;
    color: #ccc;
    transition: color 0.3s ease;
}

.legal-links li a:hover {
    color: #FF6B6B;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #FF6B6B;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #444;
    color: #fff;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: #FF6B6B;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 0.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .products h2,
    .story-content h2,
    .promotion h2 {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
    }
    
    .products,
    .brand-story {
        padding: 4rem 0;
    }
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 2rem;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    animation: modalFadeIn 0.3s ease-out;
}

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

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.modal-content p {
    margin-bottom: 1rem;
    color: #666;
}

.modal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: #666;
}

.modal-content li {
    margin-bottom: 0.5rem;
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .modal-buttons {
        flex-direction: row;
        align-items: center;
    }
}

.modal-buttons button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

#consent-accept {
    background-color: #FF6B6B;
    color: #fff;
}

#consent-accept:hover {
    background-color: #ff5252;
}

#consent-decline {
    background-color: #666;
    color: #fff;
}

#consent-decline:hover {
    background-color: #555;
}

.modal-buttons a {
    color: #FF6B6B;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.modal-buttons a:hover {
    text-decoration: underline;
}