/* ============================================================
   发卡网 - 主样式表
   主色调：低饱和度蓝紫渐变 + 白色背景
   毛玻璃质感 + 轻动效
   ============================================================ */

:root {
    --primary-start: #6366f1;
    --primary-mid: #818cf8;
    --primary-end: #a78bfa;
    --primary-light: #e0e7ff;
    --primary-dark: #4f46e5;
    --bg-gradient: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 50%, #ede9fe 100%);
    --bg-section: #f8f7ff;
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(255, 255, 255, 0.3);
    --card-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
    --card-shadow-hover: 0 12px 48px rgba(99, 102, 241, 0.2);
    --text-primary: #1e1b4b;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', serif;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-start);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-dark);
}

/* ============================================================
   毛玻璃卡片
   ============================================================ */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}
.glass-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-start));
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary-start);
    color: var(--primary-start);
}
.btn-outline:hover {
    background: var(--primary-start);
    color: #fff;
}

.btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
}

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

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ============================================================
   表单
   ============================================================ */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary-start);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-control::placeholder {
    color: var(--text-muted);
}
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    padding: 0 24px;
}
.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.navbar-brand:hover {
    opacity: 0.9;
}
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}
.navbar-nav a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}
.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--primary-start);
    background: var(--primary-light);
}

/* ============================================================
   容器
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 60px 0;
}

/* ============================================================
   英雄区
   ============================================================ */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(167, 139, 250, 0.08) 0%, transparent 50%);
    pointer-events: none;
}
.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}
.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    position: relative;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ============================================================
   商品网格
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    padding: 24px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.product-card .category-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    background: var(--primary-light);
    color: var(--primary-start);
    margin-bottom: 12px;
}
.product-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}
.product-card .desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-card .price-area {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 12px;
}
.product-card .price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-start);
}
.product-card .original-price {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: line-through;
}
.product-card .meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================================
   表格
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
table th,
table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
}
table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(99, 102, 241, 0.05);
    white-space: nowrap;
}
table tr:hover td {
    background: rgba(99, 102, 241, 0.02);
}

/* ============================================================
   徽章
   ============================================================ */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}
.badge-primary {
    background: var(--primary-light);
    color: var(--primary-start);
}
.badge-success {
    background: #d1fae5;
    color: #065f46;
}
.badge-warning {
    background: #fef3c7;
    color: #92400e;
}
.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}
.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    transition: var(--transition);
}
.page-btn:hover {
    border-color: var(--primary-start);
    color: var(--primary-start);
}
.page-btn.active {
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    color: #fff;
    border-color: transparent;
}

/* ============================================================
   提示消息
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}
.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    text-align: center;
    padding: 32px 24px;
    color: var(--text-muted);
    font-size: 13px;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}
.animate-fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* ============================================================
   新首页 - 英雄区（高端商务版）
   ============================================================ */
.hero-section {
    position: relative;
    padding: 100px 0 80px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(180deg, #eef2ff 0%, #f5f3ff 40%, #f8f7ff 100%);
}

/* 背景装饰形状 */
.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}
.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation: floatShape 20s ease-in-out infinite;
}
.shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(167,139,250,0.1) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: floatShape 25s ease-in-out infinite reverse;
}
.shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
    bottom: 50px;
    left: 10%;
    animation: floatShape 18s ease-in-out infinite 2s;
}
.shape-4 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(167,139,250,0.08) 0%, transparent 70%);
    bottom: 100px;
    right: 15%;
    animation: floatShape 22s ease-in-out infinite 3s;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-start);
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-start);
    animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -1px;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.btn-glow {
    position: relative;
    overflow: hidden;
}
.btn-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end), var(--primary-start));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-glow:hover::before {
    opacity: 0.4;
    filter: blur(8px);
}
.btn-glow:hover {
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
}

/* 英雄区统计数据 */
.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.06);
}
.hero-stat-item {
    padding: 0 32px;
    text-align: center;
}
.hero-stat-value {
    display: block;
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.hero-stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}
.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(99, 102, 241, 0.12);
}

/* 英雄区波浪 */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}
.hero-wave svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* ============================================================
   新首页 - 特色优势
   ============================================================ */
.features-section {
    background: var(--bg-section);
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-tag {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.12);
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-start);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--icon-color) 10%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--icon-color);
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: color-mix(in srgb, var(--icon-color) 18%, transparent);
    transform: scale(1.05);
}
.feature-icon svg {
    width: 28px;
    height: 28px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================================
   新首页 - 商品展示区
   ============================================================ */
.products-section {
    padding: 80px 0;
}

/* 分类筛选 */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.08);
    transition: var(--transition);
    text-decoration: none;
}
.filter-btn:hover {
    color: var(--primary-start);
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateY(-1px);
}
.filter-btn.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.25);
}

/* 商品卡片增强 */
.product-card {
    padding: 0;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-start), var(--primary-end));
    opacity: 0;
    transition: var(--transition);
}
.product-card:hover::before {
    opacity: 1;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}

/* 商品标签 */
.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 2;
}
.badge-hot {
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: #fff;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}
.badge-new {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: #fff;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}
.badge-discount {
    top: 40px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.product-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}
.product-card .category-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--primary-light);
    color: var(--primary-start);
}
.product-card-actions {
    display: flex;
    gap: 4px;
}
.card-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.06);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.card-action-btn:hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-start);
}

.product-card h3 {
    font-size: 17px;
    padding: 12px 24px 0;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-card .desc {
    padding: 6px 24px 0;
    font-size: 13px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 40px;
}
.product-card .price-area {
    padding: 12px 24px 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
}
.product-card .price {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-start);
}
.product-card .original-price {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: line-through;
}
.product-card .meta {
    padding: 8px 24px 0;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* 库存进度条 */
.stock-bar {
    margin: 10px 24px 0;
    height: 4px;
    border-radius: 2px;
    background: rgba(99, 102, 241, 0.08);
    overflow: hidden;
}
.stock-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary-start), var(--primary-end));
    transition: width 0.6s ease;
}

/* 商品卡片底部 */
.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px 20px;
    margin-top: auto;
    border-top: 1px solid rgba(99, 102, 241, 0.06);
}
.merchant-name {
    font-size: 12px;
    color: var(--text-muted);
}
.buy-now {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-start);
    transition: var(--transition);
}
.product-card:hover .buy-now {
    gap: 8px;
}

/* 空状态增强 */
.empty-state {
    text-align: center;
    padding: 80px 24px;
}
.empty-icon {
    margin-bottom: 20px;
    color: var(--text-muted);
    opacity: 0.4;
}

/* ============================================================
   新首页 - 数据统计
   ============================================================ */
.stats-section {
    background: var(--bg-section);
    padding: 60px 0;
}

.stats-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card-enhanced {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 24px;
    transition: var(--transition);
}
.stat-card-enhanced:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}
.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--stat-color) 10%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--stat-color);
    flex-shrink: 0;
}
.stat-icon svg {
    width: 24px;
    height: 24px;
}
.stat-info {
    display: flex;
    flex-direction: column;
}
.stat-info .stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.stat-info .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ============================================================
   新首页 - CTA 区块
   ============================================================ */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    position: relative;
    overflow: hidden;
    padding: 60px;
    background: linear-gradient(135deg, rgba(99,102,241,0.04) 0%, rgba(167,139,250,0.06) 100%);
    border: 1px solid rgba(99, 102, 241, 0.1);
}
.cta-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.cta-shape {
    position: absolute;
    border-radius: 50%;
}
.cta-shape-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
    top: -150px;
    right: -100px;
}
.cta-shape-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(167,139,250,0.05) 0%, transparent 70%);
    bottom: -100px;
    left: -50px;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.cta-tag {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 50px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    font-size: 12px;
    font-weight: 600;
    color: #059669;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.cta-content h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.cta-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}
.cta-feature svg {
    color: #10b981;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================
   新动画
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0 60px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-desc {
        font-size: 16px;
    }
    .hero-desc br.hide-mobile {
        display: none;
    }
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
        width: 100%;
        max-width: 320px;
    }
    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }
    .hero-stat-item {
        padding: 0;
    }
    .hero-wave svg {
        height: 30px;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid-enhanced {
        grid-template-columns: 1fr;
    }
    .cta-card {
        padding: 40px 24px;
    }
    .cta-content h2 {
        font-size: 24px;
    }
    .cta-features {
        gap: 16px;
    }
    .section-title {
        font-size: 26px;
    }
    .navbar-inner {
        height: auto;
        padding: 12px 0;
        flex-wrap: wrap;
    }
    .navbar-nav {
        width: 100%;
        justify-content: center;
        padding-top: 8px;
    }
    .category-filter {
        gap: 8px;
    }
    .filter-btn {
        padding: 6px 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    .cta-actions .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* ============================================================
   模态框
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}
.modal-overlay.active {
    display: flex;
}
.modal {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h2 {
    margin-bottom: 20px;
    font-size: 20px;
}
.modal-close {
    float: right;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    line-height: 1;
}
.modal-close:hover {
    color: var(--text-primary);
}

/* ============================================================
   空状态
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}
.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-state h3 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* ============================================================
   统计卡片
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    padding: 24px;
    text-align: center;
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-start);
    margin-bottom: 4px;
}
.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================================
   登录/注册页面
   ============================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.auth-card {
    max-width: 420px;
    width: 100%;
    padding: 40px;
}
.auth-card h1 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 24px;
}
.auth-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}
.auth-card .auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================================
   页面标题
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h2 {
    font-size: 22px;
    font-weight: 700;
}

/* ============================================================
   侧边栏布局（用户中心）
   ============================================================ */
.layout-sidebar {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    padding: 32px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}
.sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
    transition: var(--transition);
}
.sidebar .nav-item:hover {
    background: var(--primary-light);
    color: var(--primary-start);
}
.sidebar .nav-item.active {
    background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
    color: #fff;
}
.main-content {
    min-height: 400px;
}

@media (max-width: 768px) {
    .layout-sidebar {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
    }
}

/* ============================================================
   滚动条美化
   ============================================================ */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* ============================================================
   暗色主题
   ============================================================ */
[data-theme="dark"] {
    --primary-start: #818cf8;
    --primary-mid: #a78bfa;
    --primary-end: #c4b5fd;
    --primary-light: rgba(129, 140, 248, 0.15);
    --primary-dark: #6366f1;
    --bg-gradient: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    --bg-section: #12121f;
    --card-bg: rgba(30, 30, 60, 0.6);
    --card-border: rgba(129, 140, 248, 0.12);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 12px 48px rgba(129, 140, 248, 0.15);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
}

[data-theme="dark"] body {
    background: var(--bg-gradient);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 15, 26, 0.85);
    border-bottom: 1px solid rgba(129, 140, 248, 0.08);
}

[data-theme="dark"] .navbar-nav a:hover,
[data-theme="dark"] .navbar-nav a.active {
    background: rgba(129, 140, 248, 0.1);
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 40%, #12121f 100%);
}

[data-theme="dark"] .hero-badge {
    background: rgba(129, 140, 248, 0.1);
    border-color: rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .hero-stats {
    background: rgba(30, 30, 60, 0.5);
    border-color: rgba(129, 140, 248, 0.1);
}

[data-theme="dark"] .hero-stat-divider {
    background: rgba(129, 140, 248, 0.1);
}

[data-theme="dark"] .hero-wave svg path {
    fill: var(--bg-section);
}

[data-theme="dark"] .filter-btn {
    background: rgba(30, 30, 60, 0.4);
    border-color: rgba(129, 140, 248, 0.08);
    color: var(--text-secondary);
}
[data-theme="dark"] .filter-btn:hover {
    background: rgba(129, 140, 248, 0.08);
    border-color: rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .product-card-footer {
    border-top-color: rgba(129, 140, 248, 0.06);
}

[data-theme="dark"] .stock-bar {
    background: rgba(129, 140, 248, 0.08);
}

[data-theme="dark"] .card-action-btn {
    background: rgba(129, 140, 248, 0.08);
}
[data-theme="dark"] .card-action-btn:hover {
    background: rgba(129, 140, 248, 0.15);
}

[data-theme="dark"] .cta-card {
    background: linear-gradient(135deg, rgba(129,140,248,0.06) 0%, rgba(196,181,253,0.08) 100%);
    border-color: rgba(129, 140, 248, 0.1);
}

[data-theme="dark"] .footer {
    border-top-color: rgba(129, 140, 248, 0.08);
}

[data-theme="dark"] .form-control {
    background: rgba(30, 30, 60, 0.5);
    border-color: rgba(129, 140, 248, 0.12);
    color: var(--text-primary);
}
[data-theme="dark"] .form-control:focus {
    border-color: var(--primary-start);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.12);
}

[data-theme="dark"] table th {
    background: rgba(129, 140, 248, 0.06);
    color: var(--text-secondary);
}
[data-theme="dark"] table td {
    border-bottom-color: rgba(129, 140, 248, 0.06);
}
[data-theme="dark"] table tr:hover td {
    background: rgba(129, 140, 248, 0.03);
}

[data-theme="dark"] .page-btn {
    background: rgba(30, 30, 60, 0.4);
    border-color: rgba(129, 140, 248, 0.08);
    color: var(--text-secondary);
}
[data-theme="dark"] .page-btn:hover {
    border-color: var(--primary-start);
    color: var(--primary-start);
}

[data-theme="dark"] .modal {
    background: rgba(20, 20, 40, 0.95);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .sidebar .nav-item:hover {
    background: rgba(129, 140, 248, 0.1);
}

[data-theme="dark"] .badge-primary {
    background: rgba(129, 140, 248, 0.15);
}

[data-theme="dark"] .badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
}
[data-theme="dark"] .badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
}
[data-theme="dark"] .badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}
[data-theme="dark"] .badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.2);
}
[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.2);
}
[data-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #fcd34d;
    border-color: rgba(245, 158, 11, 0.2);
}
[data-theme="dark"] .alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .btn-outline {
    border-color: var(--primary-start);
    color: var(--primary-start);
}

[data-theme="dark"] select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(129, 140, 248, 0.25);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(129, 140, 248, 0.4);
}

/* 主题切换按钮 */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    margin-left: 4px;
}
.theme-toggle:hover {
    background: var(--primary-light);
    color: var(--primary-start);
    transform: rotate(15deg);
}
.theme-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform 0.5s ease;
}
[data-theme="dark"] .theme-toggle:hover {
    transform: rotate(-15deg);
}

/* 主题切换过渡动画 */
.theme-transitioning,
.theme-transitioning * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}