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

:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --success-color: #7ed321;
    --danger-color: #d0021b;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), #357abd);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255,255,255,0.2);
}

.nav-user {
    position: relative;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-user:hover {
    background-color: rgba(255,255,255,0.2);
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    color: var(--text-color);
    box-shadow: var(--shadow);
    border-radius: 4px;
    min-width: 150px;
    display: none;
    margin-top: 0.5rem;
}

.nav-user:hover .user-menu {
    display: block;
}

.user-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.3s;
}

.user-menu a:hover {
    background-color: var(--bg-color);
}

/* 主要内容 */
.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.content-section {
    display: none;
}

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

.content-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 首页横幅 */
.hero-banner {
    background: linear-gradient(135deg, var(--primary-color), #357abd);
    color: white;
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.hero-logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.hero-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.quick-access {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.quick-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.quick-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.quick-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.quick-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 会员中心 */
.member-info-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.member-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #357abd);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.member-details h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.member-id {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.member-status {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-vip {
    background-color: #ffd700;
    color: #333;
}

.badge-active {
    background-color: var(--success-color);
    color: white;
}

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

.member-features {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.member-features h3 {
    margin-bottom: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 8px;
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* 按钮 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #357abd;
}

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

.btn-secondary:hover {
    background-color: #e69500;
}

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

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

/* 商城 */
.shop-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
    margin-left: auto;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 1rem;
}

.search-box i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

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

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.product-info {
    padding: 1rem;
}

.product-title {
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.product-seller {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.3rem;
    color: var(--danger-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.product-tag {
    padding: 0.25rem 0.5rem;
    background: var(--bg-color);
    border-radius: 4px;
    font-size: 0.75rem;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

.product-actions button {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.9rem;
}

/* 购物车 */
.cart-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

.cart-sidebar {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 8px rgba(0,0,0,0.1);
    transition: right 0.3s;
    z-index: 1001;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.cart-item-title {
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    color: var(--danger-color);
    font-weight: bold;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.cart-item-quantity button {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.cart-total {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-align: right;
}

.empty-cart {
    text-align: center;
    color: var(--text-light);
    padding: 2rem;
}

/* 服务预约 */
.service-location {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.service-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.services-list {
    display: grid;
    gap: 1.5rem;
}

.service-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.service-name {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.service-shop {
    color: var(--text-light);
    font-size: 0.9rem;
}

.service-distance {
    color: var(--primary-color);
    font-weight: bold;
}

.service-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}

.service-price {
    font-size: 1.5rem;
    color: var(--danger-color);
    font-weight: bold;
}

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

/* 门禁系统 */
.access-container {
    max-width: 800px;
    margin: 0 auto;
}

.access-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.access-method {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.access-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), #357abd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.access-method h3 {
    margin-bottom: 0.5rem;
}

.access-method p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.access-status {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 订单 */
.order-tabs,
.admin-tabs,
.technician-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.orders-list {
    display: grid;
    gap: 1.5rem;
}

.order-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.order-id {
    font-weight: bold;
    color: var(--text-light);
}

.order-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.order-status.pending {
    background-color: var(--secondary-color);
    color: white;
}

.order-status.completed {
    background-color: var(--success-color);
    color: white;
}

.order-items {
    margin-bottom: 1rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.order-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.order-total {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--danger-color);
}

/* 管理后台 */
.admin-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.admin-orders-list,
.tech-orders-list {
    display: grid;
    gap: 1rem;
}

.admin-order-card,
.tech-order-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.schedule-manager {
    display: grid;
    gap: 1rem;
}

.schedule-day {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
}

.schedule-day-header {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.schedule-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
}

.schedule-slot {
    padding: 0.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.schedule-slot.available {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.schedule-slot.booked {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    cursor: not-allowed;
}

/* 评价系统 */
.rating {
    display: flex;
    gap: 0.25rem;
    margin: 0.5rem 0;
}

.rating i {
    color: #ffd700;
}

.rating i.empty {
    color: var(--border-color);
}

.review-form {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.review-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-family: inherit;
    resize: vertical;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-light);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .main-content {
        padding: 0 1rem;
    }

    .quick-access {
        grid-template-columns: 1fr;
    }

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

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .access-methods {
        grid-template-columns: 1fr;
    }

    .member-header {
        flex-direction: column;
        text-align: center;
    }
}