/**
 * 音创汇聚商城 - 主样式表
 * 设计风格：液态玻璃态 (Glassmorphism) + 方形边框 + 增强现实感
 * 色彩：深色调 + 青蓝色渐变 + 高对比度
 * 
 * 禁止：紫色系、emoji表情包
 */

/* ============================
   CSS 变量定义
   ============================ */
:root {
    /* 主色调 - 青蓝/科技蓝 */
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-primary-light: #38bdf8;
    
    /* 强调色 - 翠绿/成功 */
    --color-success: #10b981;
    --color-success-light: #34d399;
    
    /* 警告色 - 琥珀色 */
    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    
    /* 危险色 - 红 */
    --color-danger: #ef4444;
    --color-danger-light: #f87171;
    
    /* 中性色 - 深灰系统 */
    --color-bg: #0a0e17;
    --color-bg-secondary: #111827;
    --color-surface: rgba(17, 24, 39, 0.7);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);
    
    /* 文字颜色 - 高对比度 */
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* 玻璃态变量 */
    --glass-bg: rgba(15, 23, 42, 0.65);
    --glass-bg-hover: rgba(15, 23, 42, 0.8);
    --glass-blur: 20px;
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-hero: linear-gradient(135deg, #0c4a6e 0%, #164e63 50%, #0f172a 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--color-border);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--color-border);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--color-border);
    --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.15);
    
    /* 圆角 - 方形为主 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    
    /* 过渡动画 */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================
   全局重置与基础
   ============================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #fff;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    background: rgba(14, 165, 233, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--color-primary-light);
}

/* ============================
   容器
   ============================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    min-height: calc(100vh - 80px);
    padding: 40px 0 60px;
}

/* ============================
   液态玻璃卡片 (核心组件)
   ============================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-border-light);
}

.glass-card-inner {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============================
   导航栏
   ============================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    margin: 16px;
    padding: 12px 24px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-greeting {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ============================
   Hero 区域
   ============================ */
.hero {
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    max-width: 720px;
}

.hero-title {
    font-size: clamp(36px, 7vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary-light), #06b6d4, #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-item {
    padding: 24px;
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary-light);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================
   按钮
   ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger-light);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    color: #fff;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 17px;
}

/* ============================
   表单元素
   ============================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: normal !important;
    padding: 8px 0;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.form-check-group {
    display: flex;
    gap: 24px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.form-actions {
    margin-top: 32px;
    display: flex;
    gap: 12px;
}

/* ============================
   提示信息 (Alert)
   ============================ */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-success-light);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-danger);
    color: var(--color-danger-light);
}

.alert-sm {
    padding: 8px 14px;
    display: inline-block;
}

/* ============================
   徽章 (Badge)
   ============================ */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
}

.badge-hot {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
}

.badge-recommend {
    background: var(--gradient-primary);
    color: #fff;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-light);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-admin {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-primary-light);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-sm {
    padding: 2px 8px;
    font-size: 10px;
}

/* ============================
   商品卡片网格
   ============================ */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: -0.5px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.35);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-image .badge {
    position: absolute;
    top: 12px;
    left: 12px;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.price-current {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primary-light);
}

.price-value {
    font-size: 18px;
}

.price-original {
    font-size: 14px;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

/* ============================
   认证页面 (登录/注册)
   ============================ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.bg-decoration {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

.auth-form .btn {
    margin-top: 8px;
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text-muted);
}

.auth-footer p + p {
    margin-top: 8px;
}

/* ============================
   结账/购买页面
   ============================ */
.checkout-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

@media (min-width: 900px) {
    .checkout-container {
        grid-template-columns: 1fr 380px;
    }
}

.checkout-section h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.checkout-product {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.checkout-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.checkout-details h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.checkout-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.checkout-price-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.price-highlight {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary-light);
}

.original-price {
    font-size: 14px;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.order-summary {
    padding: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.summary-row.total {
    border-top: 1px solid var(--color-border);
    margin-top: 12px;
    padding-top: 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.checkout-form {
    padding: 24px;
}

.checkout-tip {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ============================
   支付结果页
   ============================ */
.result-page .main-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.result-container {
    max-width: 520px;
    width: 100%;
    padding: 48px 40px;
    text-align: center;
}

.result-icon {
    margin-bottom: 24px;
}

.result-container h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-subtitle {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.result-details {
    margin-bottom: 32px;
}

.detail-item {
    padding: 16px 20px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.detail-value {
    font-size: 15px;
    font-weight: 600;
}

.price-large {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-success-light);
}

.status-badge {
    display: inline-block;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.paid {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning-light);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.shipped {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-primary-light);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.status-badge.completed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success-light);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.pending {
    background: rgba(148, 163, 184, 0.15);
    color: var(--color-text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.status-badge.cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-badge.on {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success-light);
}

.status-badge.off {
    background: rgba(148, 163, 184, 0.15);
    color: var(--color-text-secondary);
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.highlight .detail-item {
    background: rgba(16, 185, 129, 0.08);
}

/* ============================
   用户中心
   ============================ */
.user-overview {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

@media (max-width: 900px) {
    .user-overview {
        grid-template-columns: 1fr;
    }
}

.user-info-card {
    padding: 32px;
    text-align: center;
}

.avatar-section {
    margin-bottom: 16px;
}

.avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
}

.avatar-placeholder {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: #fff;
}

.user-info-card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.user-email {
    font-size: 14px;
    color: var(--color-text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card.highlight {
    background: rgba(14, 165, 233, 0.08);
    border-color: rgba(14, 165, 233, 0.2);
}

.stat-card.money {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.stat-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.stat-data .stat-number {
    font-size: 26px;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
}

.stat-data .stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 订单列表 */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 700;
}

.filter-tabs {
    display: flex;
    gap: 8px;
}

.filter-tab {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.08);
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.order-card {
    padding: 24px;
    transition: all var(--transition-normal);
}

.order-card:hover {
    border-color: var(--color-border-light);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.order-no {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-family: 'SF Mono', monospace;
}

.order-body {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.order-product {
    display: flex;
    gap: 16px;
    flex: 1;
}

.order-img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.order-product-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.order-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.order-payment {
    text-align: right;
    min-width: 140px;
}

.payment-label {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.payment-amount {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary-light);
}

.payment-paid {
    font-size: 13px;
    color: var(--color-success-light);
    margin-top: 4px;
}

.payment-trade-no {
    font-size: 11px;
    color: var(--color-text-muted);
    font-family: 'SF Mono', monospace;
    margin-top: 4px;
}

.shipping-info {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 12px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.order-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

/* ============================
   空状态
   ============================ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state-sm {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-icon {
    margin-bottom: 16px;
    color: var(--color-text-muted);
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

/* ============================
   页脚
   ============================ */
.footer {
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid var(--color-border);
    padding: 48px 0 24px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 12px;
    font-size: 14px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-contact p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
}

/* ============================
   文字工具类
   ============================ */
.text-money {
    color: var(--color-primary-light);
    font-weight: 600;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-danger {
    color: var(--color-danger-light);
}

/* ============================
   响应式设计
   ============================ */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --glass-blur: 12px;
    }
    
    .hero {
        padding: 80px 0 50px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .order-body {
        flex-direction: column;
    }
    
    .order-payment {
        text-align: left;
    }

    .checkout-container {
        grid-template-columns: 1fr;
    }

    .user-overview {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        margin: 8px;
        padding: 10px 16px;
    }

    .user-greeting {
        display: none;
    }
}