/* 基础样式 - 与皮肤无关的通用样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    background: var(--bg-gradient, linear-gradient(180deg, #FFF5F8 0%, #FFFFFF 100%));
}

a { text-decoration: none; color: inherit; transition: var(--transition, all 0.3s ease); }
img { max-width: 100%; display: block; }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部导航 */
.site-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--border-color, rgba(0,0,0,0.1));
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    gap: 6px;
}

.main-nav a {
    font-weight: 600;
    color: var(--gray);
    padding: 12px 24px;
    border-radius: var(--nav-radius, 50px);
    transition: var(--transition);
    position: relative;
    font-size: 15px;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--nav-hover-bg, rgba(0,0,0,0.05));
    transform: translateY(-2px);
}

.main-nav a.active {
    color: white;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-sm);
}

.header-right .cart-link {
    padding: 12px 24px;
    background: var(--dark);
    color: white;
    border-radius: var(--nav-radius, 50px);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.header-right .cart-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Hero Banner */
.hero-banner {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    color: white;
    padding: 100px 0 90px;
    text-align: center;
    border-radius: 0 0 var(--radius-lg, 40px) var(--radius-lg, 40px);
    margin-bottom: 40px;
}

.hero-banner h1 {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.15);
    letter-spacing: -1px;
}

.hero-banner p {
    font-size: 22px;
    opacity: 0.95;
    font-weight: 500;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius, 20px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    min-width: 140px;
}

.stat-item:hover {
    transform: translateY(-8px) scale(1.05);
    background: rgba(255, 255, 255, 0.25);
}

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: white;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 商品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

/* 商品卡片 */
.product-card {
    display: block;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background: var(--product-bg, linear-gradient(135deg, #FFF5F8 0%, #FFE4EC 100%));
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.no-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 72px;
    color: var(--primary-light, #ccc);
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    min-height: 45px;
}

.product-cat {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 14px;
}

.product-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.price {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-contact {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 40px;
    margin-top: 120px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.site-footer p {
    opacity: 0.9;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    letter-spacing: 0.5px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 120px 20px;
    color: var(--gray);
}

.empty-icon {
    font-size: 120px;
    margin-bottom: 30px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray);
}

/* 响应式 */
@media (max-width: 768px) {
    .main-nav { display: none; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .hero-banner { padding: 70px 0 50px; }
    .hero-banner h1 { font-size: 32px; }
    .hero-stats { gap: 16px; flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .logo { font-size: 20px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #f0f0f0; border-radius: 10px; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark, #666); }