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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: #f5f5f5;
}

/* 顶部导航栏 */
.navbar {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #1890ff;
    cursor: pointer;
    min-width: 150px;
}

.nav-menu {
    display: flex;
    gap: 20px;
    flex: 1;
    margin-left: 40px;
}

.nav-btn {
    background: none;
    border: none;
    color: #333;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.nav-btn:hover {
    background-color: #f0f0f0;
    color: #1890ff;
}

.nav-btn.active {
    color: #1890ff;
    font-weight: 600;
}

.nav-right {
    display: flex;
    gap: 15px;
    align-items: center;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 20px;
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4d4f;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    transition: all 0.3s;
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    min-width: 280px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-info-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    color: white;
}

.user-info-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 10px;
}

.user-info-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.user-info-meta {
    font-size: 12px;
    opacity: 0.9;
}

.user-assets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 15px;
    background: #f9f9f9;
}

.asset-item {
    text-align: center;
    padding: 10px;
    background: white;
    border-radius: 8px;
}

.asset-item-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
}

.asset-item-value {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.3s;
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background-color: #f5f7fa;
    color: #667eea;
    padding-left: 25px;
}

/* 主内容 */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: block !important;
    visibility: visible !important;
}

/* 登录/注册 */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    background-color: #f5f5f5;
}

.auth-box {
    background: white;
    border-radius: 8px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    color: #333;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.btn {
    width: 100%;
    padding: 10px;
    background: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn:hover {
    background: #0050b3;
}

.auth-links {
    text-align: center;
    margin-top: 16px;
}

.auth-links a {
    color: #1890ff;
    text-decoration: none;
    cursor: pointer;
    font-size: 13px;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* 首页 Banner */
.banner-section {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
    height: 360px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.banner-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 32px;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.banner-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

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

/* 商品网格 */
.section-title {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
    margin-top: 40px;
    position: relative;
    padding-left: 15px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(102, 126, 234, 0.25);
}

.product-card:hover::before {
    opacity: 1;
}

.product-image {
    width: 100%;
    aspect-ratio: 2 / 1;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    overflow: hidden;
    position: relative;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.05) 100%);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-info {
    padding: 18px;
}

.product-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
}

.add-to-cart-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.add-to-cart-btn:active {
    transform: translateY(0);
}

/* 分类栏 */
.category-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.category-btn {
    padding: 10px 20px;
    background: #f5f7fa;
    border: 2px solid transparent;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #666;
}

.category-btn:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

/* 购物车 */
.cart-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    background: #f0f0f0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

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

.cart-item-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.cart-item-price {
    color: #ff4d4f;
    font-weight: 600;
    margin-bottom: 8px;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid #d9d9d9;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
}

.qty-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.cart-summary {
    background: white;
    border-radius: 8px;
    padding: 20px;
    text-align: right;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.summary-total {
    font-size: 18px;
    font-weight: 700;
    color: #ff4d4f;
    border-top: 1px solid #f0f0f0;
    padding-top: 10px;
}

.checkout-btn {
    width: 100%;
    padding: 12px;
    background: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 15px;
}

/* 空状态 */
.empty-state {
    background: white;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    color: #999;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* 产品详情 Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

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

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.modal-close:hover {
    color: #333;
}

.detail-image {
    max-width: 600px;
    width: 100%;
    aspect-ratio: 2 / 1;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    overflow: hidden;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    position: relative;
}

.detail-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.03) 100%);
    pointer-events: none;
}

.detail-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.page-btn {
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    background: white;
    color: #333;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
}

.page-btn:hover:not(:disabled) {
    border-color: #1890ff;
    color: #1890ff;
}

.page-btn.active {
    background: #1890ff;
    color: white;
    border-color: #1890ff;
}

.page-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 16px 24px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2000;
    animation: slideIn 0.3s;
}

.toast.success {
    border-left: 4px solid #52c41a;
}

.toast.error {
    border-left: 4px solid #ff4d4f;
}

/* 个人中心页面 */
.profile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
}

.profile-info {
    flex: 1;
    color: white;
    position: relative;
    z-index: 1;
}

.profile-username {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.profile-meta {
    display: flex;
    gap: 30px;
    font-size: 14px;
    opacity: 0.9;
}

.assets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.asset-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.asset-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.asset-label {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.asset-value {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.asset-actions {
    display: flex;
    gap: 10px;
}

.asset-btn {
    flex: 1;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.asset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.menu-item {
    background: white;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    position: relative;
}

.menu-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.menu-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.menu-label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.menu-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ff4d4f;
    color: white;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* 加载指示器 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #1890ff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 商品描述中的图片限制 */
.product-description img {
    max-width: 100% !important;
    max-height: 400px !important;
    height: auto !important;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}