/* ============================================================
 * 导航栏 + 底部 — 暗色系
 * ============================================================ */

.site-header {
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    font-size: 20px;
    font-weight: 900;
    color: var(--color-text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.logo iconify-icon {
    color: var(--color-green);
    font-size: 24px;
}

.logo-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
}

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

/* 主导航 */
.main-nav {
    display: flex;
    gap: 1px;
    align-items: center;
    flex: 1;
    margin-left: var(--space-md);
    flex-wrap: nowrap;
    min-width: 0;
    overflow: visible;
}

.main-nav a {
    font-size: 14px;
    color: var(--color-text-2);
    font-weight: 500;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.25s var(--ease-smooth);
}

.main-nav a:hover {
    background: var(--color-bg-3);
    color: var(--color-text);
}

/* 导航选中高亮 */
.main-nav a.nav-active {
    color: var(--color-orange);
    font-weight: 700;
    position: relative;
}

.main-nav a.nav-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-orange);
    border-radius: 1px;
}

.nav-dropdown-link {
    position: relative;
}

/* 导航下拉菜单 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-link {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 160px;
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 小三角箭头 */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--color-bg-2);
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    font-size: 13px;
    color: var(--color-text-2);
    border-radius: var(--radius);
    transition: all 0.2s var(--ease-smooth);
}

.nav-dropdown-menu a:hover {
    background: var(--color-bg-3);
    color: var(--color-green);
}

/* 下拉菜单中二级分类选中高亮 */
.nav-dropdown-menu a.nav-active {
    color: var(--color-orange);
    font-weight: 600;
    background: rgba(255, 138, 76, 0.08);
}

/* 操作区 */
.header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

.header-actions a {
    font-size: 14px;
    color: var(--color-text-2);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.25s var(--ease-smooth);
}

.header-actions a:hover {
    color: var(--color-text);
    background: var(--color-bg-3);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.nav-user iconify-icon {
    font-size: 18px;
}

.nav-cart {
    position: relative;
    display: flex;
    align-items: center;
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--color-orange);
    color: var(--color-bg);
    font-size: 10px;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-weight: 700;
    border: 2px solid var(--color-bg);
}

/* ============================================================
 * 底部
 * ============================================================ */

.site-footer {
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
    color: var(--color-text-3);
    font-size: 13px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-1);
    flex-shrink: 0;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

/* 多栏布局 */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-col {
    min-width: 0;
}

.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.footer-desc {
    font-size: 13px;
    color: var(--color-text-3);
    line-height: 1.7;
}

/* 链接列表 */
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 13px;
    color: var(--color-text-3);
    transition: color 0.2s var(--ease-smooth);
}

.footer-links a:hover {
    color: var(--color-green);
}

/* 联系方式 */
.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-contact li {
    font-size: 13px;
    color: var(--color-text-3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-contact iconify-icon {
    font-size: 16px;
    color: var(--color-text-4);
}

/* 友情链接横向排列 */
.footer-links-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-links-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-2);
    flex-shrink: 0;
    line-height: 2;
}

.footer-links-inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    line-height: 2;
}

.footer-links-inline a {
    font-size: 13px;
    color: var(--color-text-3);
    transition: color 0.2s var(--ease-smooth);
}

.footer-links-inline a:hover {
    color: var(--color-green);
}

/* 页面链接栏 */
.footer-pages {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-pages a {
    font-size: 13px;
    color: var(--color-text-3);
    transition: color 0.2s var(--ease-smooth);
}

.footer-pages a:hover {
    color: var(--color-green);
}

.footer-divider {
    color: var(--color-text-4);
    font-size: 12px;
}

/* 底部版权区 */
.footer-bottom {
    text-align: center;
}

.footer-copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 12px;
    color: var(--color-text-4);
}

.footer-icp {
    color: var(--color-text-4);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s var(--ease-smooth);
}

.footer-icp:hover {
    color: var(--color-text-2);
}

/* 自定义声明文字 */
.footer-custom-text {
    margin-top: var(--space-sm);
    font-size: 12px;
    color: var(--color-text-4);
    text-align: center;
}