/* 优化基础样式 */
:root {
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #CD853F;
    --bg-color: #FFF8DC;
    --text-color: #4A4A4A;
    --border-radius: 8px;
    --transition-normal: all 0.3s ease;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --box-shadow-hover: 0 5px 15px rgba(0,0,0,0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "SimSun", sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 优化导航栏样式 */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(to right, #2c3e50, #3c5a76);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    transition: var(--transition-normal);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    position: relative;
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.1);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 80%;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition-normal);
}

/* 优化响应式导航 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #2c3e50;
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
        box-shadow: var(--box-shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
        text-align: center;
    }

    .nav-menu a:hover {
        background: rgba(255,255,255,0.05);
    }
}

/* 优化页面标题样式 */
.page-header {
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/culture-bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.page-header h1,
.page-header p {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 2px;
}

.page-header p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    letter-spacing: 1px;
}

/* 优化通用动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 优化页脚样式 */
footer {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(to right, #2c3e50, #3c5a76);
    color: white;
    margin-top: 4rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.1));
}

/* 优化响应式布局断点 */
@media (max-width: 1200px) {
    .content-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 992px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .page-header {
        height: 200px;
    }
}

/* 搜索和分类样式 */
.category-filter {
    padding: 1rem 2rem;
    display: flex;
    gap: 1rem;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.search-box {
    padding: 1rem 2rem;
    display: flex;
    gap: 1rem;
}

.search-box input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.search-box button {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* 商品详情弹窗样式 */
#product-detail-modal {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.product-images {
    display: flex;
    gap: 1rem;
}

.main-image {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 4px;
}

.thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.thumbnail-list img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.thumbnail-list img:hover,
.thumbnail-list img.active {
    opacity: 1;
}

.product-info {
    margin-top: 2rem;
}

.spec-select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin: 1rem 0;
}

.product-reviews {
    margin-top: 2rem;
    border-top: 1px solid #ddd;
    padding-top: 1rem;
}

/* 动画效果 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.cart-modal {
    animation: slideIn 0.3s ease-out;
} 

/* 分类区域样式 */
.section-title {
    text-align: center;
    font-size: 2rem;
    margin: 3rem 0;
    color: var(--primary-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 0 2rem;
}

.category-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.category-card:hover {
    transform: translateY(-10px);
}

.category-card img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1rem;
}

/* 茶文化区域样式 */
.tea-culture {
    background: var(--bg-color);
    padding: 4rem 2rem;
}

.culture-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.culture-image {
    flex: 1;
}

.culture-image img {
    width: 100%;
    border-radius: 8px;
}

.culture-text {
    flex: 1;
}

.culture-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* 品牌故事区域样式 */
.brand-story {
    padding: 4rem 2rem;
}

.story-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.story-image {
    flex: 1;
}

.story-image img {
    width: 100%;
    border-radius: 8px;
}

.story-text {
    flex: 1;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 1rem;
    transition: background 0.3s;
}

.btn:hover {
    background: var(--secondary-color);
}

/* 响应式布局增强 */
@media (max-width: 768px) {
    .slider-caption h2 {
        font-size: 2rem;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-content,
    .story-content {
        flex-direction: column;
        gap: 2rem;
    }
} 

/* 历史部分样式 */
.culture-history {
    padding: 4rem 0;
    background: white;
}

.history-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.history-text {
    flex: 1;
}

.history-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.history-text p {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.history-image {
    flex: 1;
}

.history-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

.history-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--box-shadow-hover);
}

/* 茶道礼仪部分样式 */
.tea-ceremony {
    padding: 4rem 0;
    background: var(--bg-color);
}

.ceremony-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.ceremony-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

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

.ceremony-item img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 4px solid var(--bg-color);
    transition: var(--transition-normal);
}

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

.ceremony-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.ceremony-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 茶具文化部分样式 */
.tea-wares {
    padding: 4rem 0;
    background: white;
}

.wares-content {
    margin-top: 2rem;
}

.wares-text {
    text-align: center;
    margin-bottom: 2rem;
}

.wares-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.wares-text p {
    color: var(--text-color);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.wares-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.ware-item {
    text-align: center;
    transition: var(--transition-normal);
}

.ware-item:hover {
    transform: translateY(-5px);
}

.ware-item img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
    transition: var(--transition-normal);
}

.ware-item:hover img {
    box-shadow: var(--box-shadow-hover);
}

.ware-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 1rem;
}

/* 视频部分样式 */
.tea-videos {
    padding: 4rem 0;
    background: var(--bg-color);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.video-item {
    background: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

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

.video-item video {
    width: 100%;
    border-radius: calc(var(--border-radius) - 4px);
}

.video-item h3 {
    text-align: center;
    margin-top: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* 响应式布局 */
@media (max-width: 992px) {
    .history-content {
        flex-direction: column;
        gap: 2rem;
    }

    .history-image {
        order: -1;
    }

    .ceremony-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .wares-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ceremony-grid {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .wares-showcase {
        grid-template-columns: 1fr;
    }

    .content-wrapper {
        padding: 1rem;
    }
}

/* 认证页面样式 */
.auth-container {
    min-height: calc(100vh - 150px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('../images/auth-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.auth-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 500px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideIn 0.5s ease-out;
}

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

.auth-box h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 1rem;
}

.auth-box h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
}

.form-group label {
    color: var(--text-color);
    font-weight: bold;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"] {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-normal);
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.form-group input:hover {
    border-color: var(--secondary-color);
}

.form-group input.error {
    border-color: #dc3545;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-tip {
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.25rem;
    transition: var(--transition-normal);
    height: 0;
    overflow: hidden;
    opacity: 0;
}

.form-tip.error {
    color: #dc3545;
    height: auto;
    opacity: 1;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: normal !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: var(--transition-normal);
}

.checkbox-label input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked::before {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.9rem;
}

.auth-btn {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.auth-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.auth-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
}

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

.link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.link:hover::after {
    transform: scaleX(1);
}

/* 优化第三方登录样式 */
.divider-text {
    text-align: center;
    position: relative;
    margin: 2rem 0;
}

.divider-text::before,
.divider-text::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 80px);
    height: 1px;
    background: linear-gradient(to var(--direction, right), transparent, #ddd);
}

.divider-text::before {
    left: 0;
    --direction: right;
}

.divider-text::after {
    right: 0;
    --direction: left;
}

.divider-text span {
    background: white;
    padding: 0 1rem;
    color: #666;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.third-party-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.third-party-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    background: white;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.95rem;
}

.third-party-btn img {
    width: 24px;
    height: 24px;
    transition: var(--transition-normal);
}

.third-party-btn.wechat:hover {
    background: #07C160;
    border-color: #07C160;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.2);
}

.third-party-btn.qq:hover {
    background: #12B7F5;
    border-color: #12B7F5;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(18, 183, 245, 0.2);
}

.third-party-btn:hover img {
    transform: scale(1.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-box {
        padding: 2rem;
    }

    .third-party-buttons {
        flex-direction: column;
    }
    
    .third-party-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .auth-box {
        padding: 1.5rem;
    }

    .auth-box h2 {
        font-size: 1.8rem;
    }
    
    .form-group input {
        font-size: 0.9rem;
        padding: 0.8rem;
    }
}

/* 添加新的购物车页面样式 */
.cart-page {
    padding: 2rem 0;
    min-height: 400px;
}

.cart-list {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    transition: var(--transition-normal);
}

.cart-item:hover {
    background: var(--bg-color);
}

.cart-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-right: 1.5rem;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.quantity-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.quantity-display {
    font-weight: bold;
    min-width: 40px;
    text-align: center;
}

.remove-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
}

.remove-btn:hover {
    background: #c82333;
    transform: translateY(-2px);
}

.cart-summary {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-total {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.cart-total span {
    font-weight: bold;
    color: var(--secondary-color);
}

.cart-actions {
    display: flex;
    gap: 1rem;
}

.clear-cart {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
}

.clear-cart:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.checkout-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1.1rem;
}

.checkout-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.empty-cart {
    text-align: center;
    padding: 3rem;
    display: none;
}

.empty-cart img {
    width: 200px;
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-cart p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .cart-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .cart-item-image {
        margin-right: 0;
    }

    .cart-item-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .cart-summary {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .cart-actions {
        flex-direction: column;
        width: 100%;
    }

    .clear-cart,
    .checkout-btn {
        width: 100%;
    }
}

/* 商城页面样式 */
.shop-filters {
    background: white;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-filter {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.search-box input {
    padding: 0.6rem 1rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    min-width: 250px;
    transition: var(--transition-normal);
}

.search-box input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-box button {
    padding: 0.6rem 1.2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
}

.search-box button:hover {
    background: var(--secondary-color);
}

/* 商品列表样式 */
.shop-container {
    padding: 0 2rem;
    margin-bottom: 4rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
    position: relative;
}

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

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-tags {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    gap: 0.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    color: white;
}

.tag.new {
    background: #2ecc71;
}

.tag.hot {
    background: #e74c3c;
}

.tag.discount {
    background: #f1c40f;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

.product-desc {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.product-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.price-now {
    font-size: 1.5rem;
    font-weight: bold;
    color: #e74c3c;
}

.price-original {
    color: #999;
    text-decoration: line-through;
    font-size: 0.9rem;
}

.product-actions {
    display: flex;
    gap: 0.8rem;
}

.btn-detail,
.btn-cart {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 500;
}

.btn-detail {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

.btn-cart:hover {
    background: var(--secondary-color);
}

/* 商品详情模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 2rem;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 1000px;
    margin: 2rem auto;
    position: relative;
    padding: 2rem;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #666;
    transition: var(--transition-normal);
}

.close-modal:hover {
    color: var(--primary-color);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-gallery {
    position: relative;
}

.main-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1rem;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-list {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumbnail-list img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-normal);
}

.thumbnail-list img:hover,
.thumbnail-list img.active {
    opacity: 1;
}

.spec-options {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.spec-option {
    cursor: pointer;
    position: relative;
}

.spec-option input {
    position: absolute;
    opacity: 0;
}

.spec-option span {
    display: block;
    padding: 0.5rem 1.5rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.spec-option input:checked + span {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.product-reviews {
    border-top: 1px solid #ddd;
    padding-top: 2rem;
}

.product-reviews h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .shop-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        flex: 1;
        min-width: 0;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .product-bottom {
        flex-direction: column;
        align-items: stretch;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .btn-detail,
    .btn-cart {
        width: 100%;
        text-align: center;
    }
}

/* 轮播图样式 */
.slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.slider-items {
    display: flex;
    width: 300%; /* 3张图片的宽度 */
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.slider-item {
    width: 33.333%; /* 每张图片占1/3宽��� */
    height: 100%;
    position: relative;
}

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-caption {
    position: absolute;
    bottom: 20%;
    left: 10%;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    z-index: 2;
}

.slider-caption h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.slider-caption p {
    font-size: 1.2rem;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 2;
}

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

.slider-dot.active {
    background: white;
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 2;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: rgba(0,0,0,0.5);
}

/* 茶艺知识页面样式 */
.tea-types {
    padding: 4rem 0;
    background: white;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
}

.type-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition-normal);
}

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

.type-item img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 4px solid var(--bg-color);
    transition: var(--transition-normal);
}

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

.type-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.type-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 冲泡方法样式 */
.brewing-methods {
    padding: 4rem 0;
    background: var(--bg-color);
}

.methods-content {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.method-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem;
    border: 4px solid white;
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

.step-item:hover .step-number {
    transform: scale(1.1);
    box-shadow: var(--box-shadow-hover);
}

.step-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.step-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 品茶技巧样式 */
.tasting-skills {
    padding: 4rem 0;
    background: white;
}

.skills-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.skill-text {
    flex: 1;
}

.skill-text h3 {
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.skill-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.skill-item {
    margin-bottom: 2rem;
}

.skill-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
}

.skill-item h4::before {
    content: '•';
    color: var(--primary-color);
    font-size: 2rem;
    margin-right: 1rem;
    line-height: 1;
}

.skill-item ul {
    list-style: none;
    padding-left: 2rem;
}

.skill-item li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    transition: var(--transition-normal);
}

.skill-item li:hover {
    transform: translateX(5px);
}

.skill-item li::before {
    content: "→";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    transition: var(--transition-normal);
}

.skill-image {
    flex: 1;
}

.skill-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

.skill-image:hover img {
    transform: scale(1.02);
    box-shadow: var(--box-shadow-hover);
}

/* 茶叶存储样式 */
.tea-storage {
    padding: 4rem 0;
    background: var(--bg-color);
}

.storage-tips {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.tip-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition-normal);
}

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

.tip-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 3px solid var(--bg-color);
    transition: var(--transition-normal);
}

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

.tip-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.tip-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 茶叶鉴别样式 */
.tea-identification {
    padding: 4rem 0;
    background: white;
}

.identification-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.id-text {
    flex: 1;
}

.id-text h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.id-method {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.id-method:hover {
    transform: translateX(10px);
    box-shadow: var(--box-shadow);
}

.id-method h4 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.id-method p {
    color: var(--text-color);
    line-height: 1.6;
}

.id-image {
    flex: 1;
}

.id-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

.id-image:hover img {
    transform: scale(1.02);
    box-shadow: var(--box-shadow-hover);
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .types-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .types-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .method-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .storage-tips {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-content,
    .identification-content {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .method-steps {
        grid-template-columns: 1fr;
    }
    
    .storage-tips {
        grid-template-columns: 1fr;
    }
}