/* ============================================
   驰星润五金建材 · 外贸香薰杂志风
   主色：金棕 #b38d54  深炭灰 #1a1a1a  米白 #f9f7f2
   ============================================ */

:root {
    --primary: #b38d54;
    --primary-dark: #8f6d3e;
    --primary-light: #d4b37f;
    --dark: #1a1a1a;
    --dark-2: #2d2d2d;
    --dark-3: #3d3d3d;
    --bg: #f9f7f2;
    --bg-2: #f0ebe3;
    --card: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #5c5c5c;
    --text-muted: #8a8a8a;
    --border: #e0d8cc;
    --success: #3a8d5d;
    --warning: #c98d28;
    --danger: #b33a3a;
    --radius-sm: 2px;
    --radius: 4px;
    --radius-lg: 8px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.04);
    --shadow: 0 6px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
    --header-height: 64px;
    --header-height-mobile: 56px;
    --sidebar-width: 240px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 顶部公告条 ---------- */
.topbar {
    background: var(--dark);
    color: rgba(255,255,255,0.85);
    font-size: 12px;
    text-align: center;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 3px 0;
    line-height: 1.4;
}
.topbar .container {
    padding: 0 24px;
}
.topbar span {
    opacity: 0.9;
}

/* ---------- 头部 ---------- */
.site-header {
    background: rgba(249,247,242,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}
.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    max-width: 180px;
}
.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.logo-text .name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--dark);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}
.logo-text .en {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--primary);
    text-transform: uppercase;
    margin-top: 2px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: 1;
    justify-content: center;
    min-width: 0;
}
.header-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 1px;
    position: relative;
    padding: 8px 0;
}
.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.header-nav a:hover,
.header-nav a.active {
    color: var(--dark);
}
.header-nav a:hover::after,
.header-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    max-width: 360px;
}
.header-actions a {
    position: relative;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}
.header-actions a:hover { color: var(--primary); }
.header-actions .badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

/* 搜索框 */
.header-search {
    position: relative;
    width: 240px;
}
.header-search input {
    width: 100%;
    height: 40px;
    padding: 0 40px 0 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff;
    font-size: 13px;
    color: var(--text);
    transition: var(--transition);
}
.header-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(179,141,84,0.1);
}
.header-search button {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 28px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}
.btn-outline {
    background: transparent;
    color: var(--dark);
    border-color: var(--dark);
}
.btn-outline:hover {
    background: var(--dark);
    color: #fff;
}
.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}
.btn-lg {
    height: 52px;
    padding: 0 40px;
    font-size: 15px;
}
.btn-sm {
    height: 36px;
    padding: 0 18px;
    font-size: 13px;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(179,141,84,0.08);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---------- 消息提示 ---------- */
.msg {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.msg-success { background: #e8f5ed; color: var(--success); border: 1px solid #c5e5d3; }
.msg-error { background: #faecec; color: var(--danger); border: 1px solid #f2c5c5; }
.msg-warning { background: #fdf5e6; color: var(--warning); border: 1px solid #f5deb3; }
.msg-info { background: #eef4fa; color: #4a7c9b; border: 1px solid #cde3f3; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
    margin-top: 80px;
}
.footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo {
    margin-bottom: 24px;
}
.footer-brand .footer-logo img {
    height: 56px;
    width: auto;
    filter: brightness(1.1);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255,255,255,0.6);
    max-width: 300px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
    text-transform: uppercase;
}
.footer-col ul li {
    margin-bottom: 12px;
}
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}
.footer-contact p {
    font-size: 14px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.6);
}
.footer-bottom {
    background: rgba(0,0,0,0.25);
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}
.footer-bottom a {
    color: rgba(255,255,255,0.6);
}
.footer-bottom a:hover {
    color: var(--primary-light);
}

/* ---------- H5 汉堡菜单 ---------- */
.mobile-menu-toggle,
.mobile-nav,
.mobile-menu-overlay { display: none; }

/* ---------- H5 底部导航 ---------- */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--border);
    z-index: 1001;
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.mobile-tabbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 60px;
}
.mobile-tabbar-inner a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-muted);
    position: relative;
}
.mobile-tabbar-inner a .icon {
    font-size: 20px;
    line-height: 1;
}
.mobile-tabbar-inner a.active,
.mobile-tabbar-inner a:hover {
    color: var(--primary);
}
.mobile-tabbar-inner .badge {
    position: absolute;
    top: 2px;
    right: calc(50% - 18px);
    background: var(--primary);
    color: #fff;
    font-size: 10px;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.back-to-top {
    position: fixed;
    bottom: 88px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: var(--shadow);
}

/* ---------- 通用区块标题 ---------- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.section-header .en {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 2px;
    margin-bottom: 16px;
}
.section-header::after {
    content: '';
    width: 48px;
    height: 2px;
    background: var(--primary);
}
.section-header p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 560px;
    margin: 16px auto 0;
}

/* ---------- 首页 Hero ---------- */
.hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--dark);
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.55;
    min-height: 720px;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(26,26,26,0.92) 0%, rgba(26,26,26,0.5) 55%, rgba(26,26,26,0.2) 100%);
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    padding: 120px 0;
}
.hero-en {
    font-size: 14px;
    letter-spacing: 5px;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: 4px;
}
.hero-title span {
    color: var(--primary);
}
.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.75);
    line-height: 1.9;
    margin-bottom: 40px;
    max-width: 540px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-actions .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}
.hero-actions .btn-outline:hover {
    background: #fff;
    color: var(--dark);
    border-color: #fff;
}
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.hero-scroll::after {
    content: '';
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.3);
}

/* ---------- 四列特性横幅 ---------- */
.features-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 48px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 0 20px;
    border-right: 1px solid var(--border);
}
.feature-item:last-child {
    border-right: none;
}
.feature-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--primary);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}
.feature-text p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---------- 左右图文区块 ---------- */
.split-section {
    padding: 100px 0;
}
.split-section:nth-child(even) {
    background: #fff;
}
.split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.split-row.reverse {
    direction: rtl;
}
.split-row.reverse > * {
    direction: ltr;
}
.split-image {
    position: relative;
    overflow: hidden;
}
.split-image img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    transition: transform 0.8s ease;
    background: var(--bg-2);
}
.split-image:hover img {
    transform: scale(1.03);
}
.split-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid var(--primary);
    z-index: -1;
}
.split-content .en {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 16px;
}
.split-content h2 {
    font-size: 38px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 24px;
}
.split-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 32px;
}
.split-list {
    margin-bottom: 32px;
}
.split-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.split-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

/* ---------- 产品楼层 ---------- */
.floor-section {
    padding: 100px 0;
}
.floor-section.alt {
    background: #fff;
}
.floor-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.floor-title {
    display: flex;
    align-items: flex-end;
    gap: 16px;
}
.floor-title .num {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    opacity: 0.35;
}
.floor-title .name {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 2px;
}
.floor-title .en {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-left: 8px;
}
.floor-more {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.floor-more:hover {
    color: var(--primary);
    gap: 10px;
}

/* 商品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: #fff;
    border: 1px solid var(--border);
    transition: var(--transition);
    overflow: hidden;
}
.product-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}
.product-card a {
    display: block;
}
.product-img {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--bg-2);
}
.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    background: var(--bg-2);
}
.product-card:hover .product-img img {
    transform: scale(1.05);
}
.product-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    padding: 4px 10px;
    letter-spacing: 1px;
    z-index: 1;
}
.product-info {
    padding: 20px;
}
.product-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}
.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.product-price .symbol {
    font-size: 14px;
    font-weight: 500;
    margin-right: 2px;
}
.product-sales {
    font-size: 12px;
    color: var(--text-muted);
}

/* ---------- 使命横幅 ---------- */
.mission-banner {
    background: var(--dark);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.mission-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../uploads/hero1.jpg') center/cover;
    opacity: 0.12;
}
.mission-banner .container {
    position: relative;
    z-index: 1;
}
.mission-banner .en {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-bottom: 16px;
}
.mission-banner h2 {
    font-size: 42px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.mission-banner p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    max-width: 720px;
    margin: 0 auto 40px;
    line-height: 1.9;
}

/* ---------- 新闻/资讯 ---------- */
.news-section {
    padding: 100px 0;
    background: #fff;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    border: 1px solid var(--border);
    transition: var(--transition);
    overflow: hidden;
}
.news-card:hover {
    box-shadow: var(--shadow);
}
.news-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s ease;
    background: var(--bg-2);
}
.news-card:hover img {
    transform: scale(1.05);
}
.news-card-body {
    padding: 24px;
}
.news-date {
    font-size: 12px;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.news-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.4;
}
.news-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ---------- 分类页 ---------- */
.layout-main {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 40px;
    padding: 40px 0 80px;
}
.layout-sidebar {
    align-self: start;
    background: #fff;
    border: 1px solid var(--border);
    padding: 24px 0;
}
.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 1px;
    padding: 0 24px 16px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(179,141,84,0.06);
    color: var(--primary);
    border-left-color: var(--primary);
}
.sidebar-menu a .arrow {
    font-size: 16px;
    opacity: 0.5;
}

.category-filter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.filter-group .label {
    font-size: 14px;
    color: var(--text-secondary);
}
.filter-sort {
    display: flex;
    gap: 8px;
}
.filter-sort a {
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.filter-sort a:hover,
.filter-sort a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border: 1px solid var(--border);
}
.empty-icon {
    font-size: 56px;
    color: var(--border);
    margin-bottom: 20px;
}
.empty-state h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 10px;
}
.empty-state p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}
.pagination a,
.pagination span {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: #fff;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.pagination span.current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination span.ellipsis {
    border: none;
    background: transparent;
}

/* ---------- 商品详情页 ---------- */
.product-page .page-content {
    padding-top: 30px;
    padding-bottom: 80px;
}
.breadcrumb {
    margin: 20px 0 30px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1002;
}
.breadcrumb a {
    color: var(--text-muted);
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb strong {
    color: var(--text);
    font-weight: 500;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 40px;
    margin-bottom: 40px;
}
.product-gallery .main-img {
    aspect-ratio: 4 / 3;
    background: var(--bg-2);
    overflow: hidden;
    border: 1px solid var(--border);
    max-height: 520px;
}
.product-gallery .main-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
}

.product-detail-info h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
    margin-bottom: 12px;
}
.product-detail-info .subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.product-price-box {
    background: var(--bg);
    padding: 24px;
    margin-bottom: 24px;
    border-left: 3px solid var(--primary);
}
.price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
}
.price-row .label {
    font-size: 14px;
    color: var(--text-secondary);
}
.price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}
.price .symbol {
    font-size: 20px;
    font-weight: 500;
}

.product-meta {
    margin-bottom: 32px;
}
.meta-row {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    gap: 20px;
}
.meta-row .label {
    width: 60px;
    font-size: 14px;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.meta-row .value {
    font-size: 14px;
    color: var(--text);
    flex: 1;
}

.cart-qty {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
}
.cart-qty button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}
.cart-qty button:hover {
    background: var(--bg-2);
    color: var(--primary);
}
.cart-qty input {
    width: 50px;
    height: 36px;
    text-align: center;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    font-size: 14px;
}

.product-actions {
    display: flex;
    gap: 16px;
}
.btn-add-cart,
.btn-buy-now {
    flex: 1;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius);
}
.btn-add-cart {
    background: #fff;
    color: var(--dark);
    border: 1px solid var(--dark);
}
.btn-add-cart:hover {
    background: var(--dark);
    color: #fff;
}
.btn-buy-now {
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
}
.btn-buy-now:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ---------- 详情 Tab ---------- */
.detail-tabs {
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 40px;
}
.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.tab-item {
    padding: 18px 32px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.tab-item:hover {
    color: var(--primary);
}
.tab-item.active {
    color: var(--dark);
    background: #fff;
}
.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}
.tabs-body {
    padding: 36px;
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
    animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-desc {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
}
.product-desc img {
    max-width: 100%;
    margin: 16px 0;
    border-radius: var(--radius);
}

.review-summary {
    text-align: center;
    padding: 30px 0 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}
.review-summary .score {
    font-size: 52px;
    font-weight: 700;
    color: var(--primary);
}
.review-summary .stars {
    color: var(--warning);
    font-size: 22px;
    letter-spacing: 3px;
    margin: 10px 0;
}
.review-summary .count {
    font-size: 13px;
    color: var(--text-muted);
}

.review-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}
.review-item:last-child {
    border-bottom: none;
}
.review-item-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}
.review-item .user {
    font-weight: 600;
    color: var(--dark);
}
.review-item .stars {
    color: var(--warning);
    font-size: 14px;
}
.review-item .date {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
}
.review-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- Checkout ---------- */
.checkout-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px 0 50px;
}
.checkout-step {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
}
.checkout-step .step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}
.checkout-step.active {
    color: var(--primary);
}
.checkout-step.active .step-num {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.checkout-step.completed {
    color: var(--success);
}
.checkout-step.completed .step-num {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}
.step-line {
    width: 80px;
    height: 1px;
    background: var(--border);
}

.checkout-card {
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.checkout-card .card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.checkout-card .card-header h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 1px;
}
.checkout-card .card-body {
    padding: 28px;
}

.cart-table th,
.cart-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.cart-table th {
    background: var(--bg);
    color: var(--text-secondary);
    font-weight: 500;
}
.cart-table td {
    color: var(--text);
}
.cart-item-img {
    width: 64px;
    height: 64px;
    background: var(--bg-2);
    overflow: hidden;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cart-item-name {
    font-weight: 500;
    color: var(--dark);
}
.cart-item-price {
    color: var(--primary);
    font-weight: 600;
}

.pay-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 12px;
}
.pay-option:hover,
.pay-option.selected {
    border-color: var(--primary);
    background: rgba(179,141,84,0.03);
}
.pay-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}
.pay-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.pay-icon.alipay { background: #1677ff; }
.pay-icon.wechat { background: #07c160; }
.pay-option-info div:first-child {
    font-weight: 600;
    color: var(--dark);
}
.pay-option-info div:last-child {
    font-size: 12px;
    color: var(--text-muted);
}

/* ---------- 购物车 ---------- */
.cart-page {
    padding: 40px 0 80px;
}
.cart-empty {
    text-align: center;
    padding: 100px 20px;
    background: #fff;
    border: 1px solid var(--border);
}
.cart-empty-icon {
    font-size: 64px;
    color: var(--border);
    margin-bottom: 24px;
}
.cart-empty h3 {
    font-size: 22px;
    color: var(--dark);
    margin-bottom: 12px;
}
.cart-empty p {
    color: var(--text-muted);
    margin-bottom: 24px;
}
.qty-stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.qty-stepper button {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg);
    color: var(--dark);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}
.qty-stepper button:hover {
    background: var(--primary);
    color: #fff;
}
.qty-stepper input[type="number"] {
    width: 48px;
    height: 32px;
    border: none;
    text-align: center;
    font-size: 14px;
    color: var(--dark);
    -moz-appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cart-list {
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.cart-list-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 80px;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-secondary);
}
.cart-list-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 80px;
    gap: 16px;
    padding: 20px 24px;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
.cart-list-item:last-child {
    border-bottom: none;
}
.cart-list-item .item-info {
    display: flex;
    align-items: center;
    gap: 16px;
}
.cart-list-item .item-info img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 1px solid var(--border);
}
.cart-list-item .item-name {
    font-weight: 500;
    color: var(--dark);
}
.cart-list-item .item-price {
    color: var(--primary);
    font-weight: 600;
}
.cart-list-item .item-subtotal {
    color: var(--primary);
    font-weight: 700;
}
.cart-list-item .item-remove {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 20px;
}
.cart-list-item .item-remove:hover {
    color: var(--danger);
}

.cart-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid var(--border);
    padding: 20px 28px;
}
.cart-total {
    display: flex;
    align-items: baseline;
    gap: 16px;
}
.cart-total .label {
    font-size: 15px;
    color: var(--text-secondary);
}
.cart-total .price {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

/* ---------- 会员中心 ---------- */
.member-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    padding: 40px 0 80px;
}
.member-sidebar {
    background: #fff;
    border: 1px solid var(--border);
    padding: 32px 0;
    align-self: start;
}
.member-sidebar .profile {
    text-align: center;
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.member-sidebar .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 16px;
    border: 2px solid var(--border);
}
.member-sidebar .username {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}
.member-sidebar .email {
    font-size: 13px;
    color: var(--text-muted);
}
.member-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    font-size: 14px;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.member-menu a:hover,
.member-menu a.active {
    background: rgba(179,141,84,0.06);
    color: var(--primary);
    border-left-color: var(--primary);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-sm);
}
.stat-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
}
.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.stat-card .label {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 1px;
}
.stat-card.primary { border-top: 3px solid var(--primary); }
.stat-card.accent { border-top: 3px solid var(--warning); }
.stat-card.success { border-top: 3px solid var(--success); }

/* ---------- 页面通用标题 ---------- */
.page-header {
    text-align: center;
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.page-header h2 {
    font-size: 36px;
    font-weight: 400;
    color: var(--dark);
    letter-spacing: 4px;
    margin: 0;
}
.page-subtitle {
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
}
.title-line {
    width: 48px;
    height: 2px;
    background: var(--primary);
    margin-top: 8px;
}

.member-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 32px;
    margin-bottom: 24px;
}
.member-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    letter-spacing: 1px;
}

/* ---------- 关于我们 / 通用内页 ---------- */
.about-hero {
    background: var(--dark);
    color: #fff;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../uploads/about1.jpg') center/cover;
    opacity: 0.15;
}
.about-hero .container {
    position: relative;
    z-index: 1;
}
.about-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-subtitle {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}
.about-hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.about-hero p {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    line-height: 1.9;
    margin-bottom: 32px;
}
.about-hero-actions {
    display: flex;
    gap: 16px;
}
.about-hero-image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.1);
}

.about-mission {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 80px 0;
}
.mission-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.mission-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}
.mission-card .icon {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 20px;
}
.mission-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}
.mission-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-company {
    padding: 80px 0;
    background: #fff;
}
.company-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}
.company-info p {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.company-info p strong {
    color: var(--dark);
    font-weight: 600;
    margin-right: 8px;
}
.company-contact {
    background: var(--bg);
    padding: 36px;
    border: 1px solid var(--border);
    align-self: start;
}
.company-contact h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.company-contact li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-secondary);
}
.company-contact li .icon {
    font-size: 20px;
    color: var(--primary);
}

.about-advantages {
    padding: 80px 0;
}
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.advantage-item {
    text-align: center;
    padding: 32px 20px;
    border: 1px solid var(--border);
    background: #fff;
}
.advantage-icon {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    opacity: 0.5;
}
.advantage-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}
.advantage-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---------- 订单页 / 列表 ---------- */
.order-list {
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.order-card {
    border-bottom: 1px solid var(--border);
    padding: 24px;
}
.order-card:last-child {
    border-bottom: none;
}
.order-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}
.order-card-header .order-no {
    font-weight: 600;
    color: var(--dark);
}
.order-card-header .order-status {
    font-size: 13px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.order-status.unpaid { background: #fdf5e6; color: var(--warning); }
.order-status.paid { background: #e8f5ed; color: var(--success); }
.order-status.shipped { background: #eef4fa; color: #4a7c9b; }
.order-status.completed { background: var(--dark); color: #fff; }
.order-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
}
.order-item img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border: 1px solid var(--border);
}
.order-item .name {
    flex: 1;
    font-size: 14px;
    color: var(--dark);
}
.order-item .price {
    font-weight: 600;
    color: var(--primary);
}
.order-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.order-card-footer .total {
    font-size: 15px;
    color: var(--text-secondary);
}
.order-card-footer .total strong {
    font-size: 22px;
    color: var(--primary);
    margin-left: 8px;
}

/* ---------- 登录注册 ---------- */
.auth-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--bg-2);
}
.auth-box {
    width: 100%;
    max-width: 440px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 48px 40px;
    margin: 60px auto;
}
.auth-box h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark);
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.auth-box .subtitle {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}
.auth-box .form-group input {
    height: 48px;
}
.auth-box .btn {
    width: 100%;
    height: 48px;
}
.auth-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    font-size: 13px;
}
.auth-links a {
    color: var(--text-muted);
}
.auth-links a:hover {
    color: var(--primary);
}

/* ---------- 联系/FAQ/配送等内页 ---------- */
.page-content {
    padding: 60px 0 100px;
}
.page-content h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.page-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin: 32px 0 16px;
}
.page-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}
.page-content ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 20px;
}
.page-content ul li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 8px;
}

.contact-lead {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    padding-bottom: 24px;
}
.contact-lead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 2px;
    background: var(--primary);
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.category-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 40px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}
.category-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}
.category-num {
    font-size: 36px;
    font-weight: 300;
    color: var(--primary-light);
    line-height: 1;
    font-family: Georgia, serif;
    margin-bottom: 8px;
}
.category-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}
.category-desc {
    font-size: 13px;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}
.contact-item {
    background: #fff;
    border: 1px solid var(--border);
    border-top: 3px solid var(--primary);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.contact-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.contact-label {
    font-size: 13px;
    color: var(--primary);
    letter-spacing: 1px;
    font-weight: 600;
}
.contact-value {
    font-size: 15px;
    color: var(--dark);
    font-weight: 500;
    word-break: break-all;
    line-height: 1.7;
}
@media (max-width: 992px) {
    .contact-grid { grid-template-columns: 1fr; }
}
.contact-info-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 32px;
}
.contact-info-card h3 {
    margin-top: 0;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.contact-info-item .icon {
    font-size: 24px;
    color: var(--primary);
}
.contact-info-item strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
}
.contact-info-item span {
    font-size: 14px;
    color: var(--text-secondary);
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}
.faq-q {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.faq-a {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    display: none;
}
.faq-item.open .faq-a {
    display: block;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
    .feature-item:last-child { border-bottom: none; }
    .footer-main { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    :root { --header-height: var(--header-height-mobile); }
    .header-nav { display: none; }
    .header-search { display: none; }
    .header-actions .desktop { display: none; }
    .hero { min-height: 600px; }
    .hero-title { font-size: 42px; }
    .split-row,
    .about-hero-inner,
    .company-grid,
    .contact-grid,
    .product-detail {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .split-image img { height: 360px; }
    .split-row.reverse { direction: ltr; }
    .advantage-grid,
    .news-grid,
    .about-mission { grid-template-columns: repeat(2, 1fr); }
    .mission-banner h2 { font-size: 32px; }
    .layout-main { grid-template-columns: 1fr; }
    .layout-sidebar { display: none; }
    .member-layout { grid-template-columns: 1fr; }
    .member-sidebar { padding: 24px 0; }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .site-header { height: var(--header-height-mobile); }
    .header-main { height: var(--header-height-mobile); gap: 16px; }
    .logo img { height: 32px; max-width: 100px; }
    .logo-text .name { font-size: 13px; letter-spacing: 0.5px; max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .logo-text .en { display: none; }
    .logo { gap: 8px; max-width: 180px; }
    .mobile-tabbar { display: block; }
    body { padding-bottom: 70px; }

    /* 移动端汉堡菜单 */
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: none;
        padding: 0;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    .mobile-menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--dark);
        border-radius: 2px;
        transition: 0.3s;
    }
    body.menu-open .mobile-menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.menu-open .mobile-menu-toggle span:nth-child(2) { opacity: 0; }
    body.menu-open .mobile-menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .mobile-menu-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.35);
        z-index: 1098;
    }
    body.menu-open .mobile-menu-overlay { display: block; }
    body.menu-open { overflow: hidden; }

    .mobile-nav {
        display: none;
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        z-index: 1099;
        flex-direction: column;
        padding: 20px;
        overflow-y: auto;
    }
    body.menu-open .mobile-nav { display: flex; }
    .mobile-nav a {
        padding: 16px 10px;
        border-bottom: 1px solid var(--border);
        font-size: 16px;
        color: var(--dark);
    }
    .mobile-nav a:last-child { border-bottom: none; }

    .header-nav { display: none; }
    .header-search.desktop { display: none; }
    .header-actions a.desktop { display: none; }

    .hero { min-height: 520px; }
    .hero-bg img { min-height: 520px; }
    .hero-title { font-size: 32px; letter-spacing: 2px; }
    .hero-desc { font-size: 15px; }
    .hero-content { padding: 80px 0; }
    .features-grid,
    .product-grid,
    .advantage-grid,
    .news-grid,
    .about-mission,
    .company-grid,
    .dashboard-stats { grid-template-columns: 1fr; }
    .footer-main {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .footer-brand { text-align: center; }
    .footer-brand p { font-size: 13px; color: var(--text-muted); }
    .footer-logo { justify-content: center; }
    .footer-col:not(.footer-contact) { display: none; }
    .footer-contact {
        text-align: center;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.06);
        border-radius: var(--radius);
        padding: 20px;
    }
    .footer-contact p { font-size: 13px; margin: 8px 0; }
    .section-header h2 { font-size: 26px; }
    .floor-title .num { font-size: 32px; }
    .floor-title .name { font-size: 20px; }
    .split-section { padding: 60px 0; }
    .split-image img { height: 280px; }
    .mission-banner { padding: 60px 0; }
    .mission-banner h2 { font-size: 26px; }
    .product-detail { padding: 24px; gap: 30px; }
    .product-detail-info h1 { font-size: 22px; }
    .price { font-size: 28px; }
    .product-actions { flex-direction: column; }
    .tabs-header { overflow-x: auto; }
    .tab-item { padding: 14px 20px; white-space: nowrap; }
    .tabs-body { padding: 24px; }
    .checkout-card .card-body { padding: 20px; }
    .cart-list-header { display: none; }
    .cart-list-item {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .cart-footer {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    .cart-footer .btn { width: 100%; }
    .order-card-header,
    .order-card-footer { flex-direction: column; align-items: flex-start; }
    .auth-box { padding: 32px 24px; margin: 24px auto; }
    .review-item-header { flex-wrap: wrap; }
    .review-item .date { margin-left: 0; width: 100%; }
    .header-actions { gap: 12px; max-width: none; }
    .header-actions a { font-size: 0; max-width: none; }
    .header-actions a .badge { font-size: 10px; }
    .mobile-menu-toggle {
        position: relative;
        z-index: 2000;
    }
    .topbar { font-size: 11px; padding: 4px 0; height: 24px; }
    .breadcrumb { padding: 12px 0; font-size: 13px; }
    .page-header { padding: 40px 0 32px; gap: 10px; }
    .page-header h2 { font-size: 24px; }
    .page-subtitle { font-size: 11px; }
    .member-card { padding: 20px; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-lead { font-size: 14px; margin-bottom: 32px; padding-bottom: 16px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .category-card { padding: 32px 20px; }
    .category-num { font-size: 28px; }
    .about-hero-inner { gap: 24px; }
    .about-hero-content h1 { font-size: 28px; }
    .about-hero-content .about-subtitle { font-size: 11px; }
    .mission-card { padding: 24px; }
    .advantage-item { padding: 24px 16px; }
    .news-card-body { padding: 16px; }
    .news-card h4 { font-size: 16px; }
    .footer-main { gap: 24px; }
    .footer-bottom { font-size: 12px; padding: 16px 0; }
    .footer-bottom p { margin: 4px 0; }
}