/* ============================================================
   包车网 baoche5.com 主样式文件
   参照 pinche.net.cn 设计风格
   ============================================================ */

/* ===== 基础重置 ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #1a5f8f;
    --primary-dark: #144a6e;
    --primary-light: #2980b9;
    --accent: #e67e22;
    --accent-light: #f39c12;
    --bg: #f5f7fa;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --ink: #2c3e50;
    --ink-light: #5a6c7d;
    --muted: #95a5a6;
    --border: #e1e8ed;
    --border-light: #f0f3f6;
    --nav-bg: #1a2b3c;
    --nav-hover: #2c3e50;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 6px;
    --radius-lg: 12px;
    --max-width: 1200px;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'WenQuanYi Micro Hei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    font-size: 14px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

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

ul, ol { list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 顶部导航栏 (参照 pinche.net.cn) ===== */
.top-nav {
    background: var(--nav-bg);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.top-nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.top-nav-bar .logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.top-nav-bar .logo .en {
    font-size: 0.7rem;
    opacity: 0.6;
    font-weight: 400;
}

.top-nav-bar .menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.top-nav-bar .menu a {
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    padding: 4px 0;
    position: relative;
    transition: color 0.2s;
}

.top-nav-bar .menu a:hover,
.top-nav-bar .menu a.active {
    color: #fff;
}

.top-nav-bar .menu a.active::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.top-nav-bar .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
}

.lang-switch a {
    color: rgba(255,255,255,0.6);
    padding: 2px 8px;
    border-radius: 3px;
    transition: all 0.2s;
}

.lang-switch a.active {
    color: #fff;
    background: rgba(255,255,255,0.15);
}

.lang-switch .sep {
    color: rgba(255,255,255,0.3);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

/* ===== Hero 横幅区 ===== */
.hero {
    background: linear-gradient(135deg, var(--nav-bg) 0%, var(--primary) 100%);
    color: #fff;
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.hero .subtitle {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 30px;
    position: relative;
}

.hero .cta-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
}

.btn {
    display: inline-block;
    padding: 10px 28px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-light); color: #fff; }

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; }

.btn-lg { padding: 12px 36px; font-size: 1rem; }

/* ===== 统计数据 ===== */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 30px 20px;
    background: var(--bg-white);
    box-shadow: var(--shadow);
}

.stat-item { text-align: center; }

.stat-item .num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-item .label {
    font-size: 0.85rem;
    color: var(--ink-light);
    margin-top: 4px;
}

/* ===== 区块标题 ===== */
.section {
    padding: 40px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.section-header .sub {
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 8px;
}

.section-more {
    text-align: center;
    margin-top: 24px;
}

.section-more a {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--ink-light);
    font-size: 0.85rem;
    transition: all 0.2s;
}

.section-more a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== 服务分类卡片 ===== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
}

.service-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.service-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.service-card p {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.5;
}

/* ===== 产品卡片网格 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.product-card .card-vehicle {
    text-align: center;
    padding: 20px 16px 12px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-white) 100%);
}

.product-card .card-vehicle .v-icon {
    font-size: 2rem;
}

.product-card .card-vehicle .v-name {
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 4px;
}

.product-card .card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .card-info {
    font-size: 0.78rem;
    color: var(--muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-card .card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 12px;
}

.product-card .card-tag {
    font-size: 0.7rem;
    color: var(--primary);
    background: rgba(41, 128, 185, 0.08);
    padding: 2px 8px;
    border-radius: 3px;
}

.product-card .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

.product-card .card-price {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.05rem;
}

.product-card .card-price .unit {
    font-size: 0.75rem;
    font-weight: 400;
}

.product-card .card-btn {
    font-size: 0.78rem;
    color: #fff;
    background: var(--primary);
    padding: 5px 14px;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.product-card .card-btn:hover { background: var(--primary-light); color: #fff; }

/* ===== 车型展示 ===== */
.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.vehicle-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
}

.vehicle-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.vehicle-card .v-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.vehicle-card .v-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 4px;
}

.vehicle-card .v-seats {
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 6px;
}

.vehicle-card .v-price {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.vehicle-card .v-price .unit {
    font-size: 0.7rem;
    font-weight: 400;
}

/* ===== 城市分站 ===== */
.city-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.city-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
}

.city-card:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.city-card:hover .city-name { color: #fff; }
.city-card:hover .city-en { color: rgba(255,255,255,0.6); }

.city-card .city-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
}

.city-card .city-en {
    font-size: 0.72rem;
    color: var(--muted);
    margin-top: 2px;
}

/* ===== 资讯列表 ===== */
.news-list {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}

.news-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
}

.news-item:last-child { border-bottom: none; }

.news-item .news-title {
    font-size: 0.88rem;
    color: var(--ink);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 20px;
}

.news-item:hover .news-title { color: var(--primary); }

.news-item .news-date {
    font-size: 0.78rem;
    color: var(--muted);
    white-space: nowrap;
}

.news-item .news-tag {
    font-size: 0.7rem;
    color: var(--accent);
    background: rgba(230, 126, 34, 0.08);
    padding: 2px 8px;
    border-radius: 3px;
    margin-right: 10px;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--nav-bg);
    color: rgba(255,255,255,0.7);
    padding: 40px 0 20px;
    margin-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 14px;
    font-weight: 600;
}

.footer-col p, .footer-col a {
    color: rgba(255,255,255,0.6);
    font-size: 0.82rem;
    line-height: 1.8;
    display: block;
}

.footer-col a:hover { color: #fff; }

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
}

.footer-contact .contact-item .icon {
    font-size: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
}

.footer-friend-links {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 20px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-friend-links h4 {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    margin-bottom: 10px;
    font-weight: 500;
}
.footer-friend-links .friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    align-items: center;
}
.footer-friend-links .friend-links-list a {
    color: rgba(255,255,255,0.4);
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-friend-links .friend-links-list a:hover {
    color: rgba(255,255,255,0.8);
}

/* ===== 面包屑 ===== */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; color: var(--border); }
.breadcrumb .current { color: var(--ink); }

/* ===== 筛选区域 ===== */
.filter-bar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.filter-row {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    gap: 12px;
}

.filter-row:last-child { border-bottom: none; }

.filter-row .filter-label {
    font-size: 0.85rem;
    color: var(--ink-light);
    font-weight: 600;
    min-width: 80px;
    flex-shrink: 0;
}

.filter-row .filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-row .filter-options a {
    font-size: 0.82rem;
    color: var(--ink-light);
    padding: 4px 12px;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.filter-row .filter-options a:hover {
    color: var(--primary);
    background: rgba(41, 128, 185, 0.06);
}

.filter-row .filter-options a.active {
    color: #fff;
    background: var(--primary);
}

.filter-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 12px;
}

.filter-actions a {
    font-size: 0.82rem;
    color: var(--muted);
    padding: 4px 12px;
}

.filter-actions a:hover { color: var(--accent); }

/* ===== 列表页产品卡片(横向) ===== */
.product-list .product-item {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
}

.product-list .product-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.product-list .item-vehicle {
    width: 100px;
    text-align: center;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 16px 8px;
}

.product-list .item-vehicle .v-icon { font-size: 2.5rem; }
.product-list .item-vehicle .v-name { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }

.product-list .item-body {
    flex: 1;
    min-width: 0;
}

.product-list .item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

.product-list .item-title a:hover { color: var(--primary); }

.product-list .item-info {
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 8px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.product-list .item-desc {
    font-size: 0.82rem;
    color: var(--ink-light);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-list .item-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.product-list .item-action {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 10px;
    min-width: 140px;
    flex-shrink: 0;
}

.product-list .item-price {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.product-list .item-price .unit {
    font-size: 0.78rem;
    font-weight: 400;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 30px 0;
}

.pagination .page-btn {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--ink-light);
    font-size: 0.85rem;
    transition: all 0.2s;
}

.pagination .page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination .page-ellipsis {
    padding: 6px 4px;
    color: var(--muted);
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.empty-state .icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.4; }
.empty-state .text { font-size: 0.95rem; }

/* ===== 详情页 ===== */
.detail-wrap {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    margin-top: 8px;
}

.detail-main {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
}

.detail-main h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.4;
}

.detail-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.detail-tags .tag {
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(41, 128, 185, 0.08);
    padding: 3px 10px;
    border-radius: 3px;
}

.detail-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg);
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.detail-info-grid .info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.detail-info-grid .info-item .label {
    color: var(--muted);
    min-width: 70px;
}

.detail-info-grid .info-item .value {
    color: var(--ink);
    font-weight: 500;
}

.detail-section {
    margin-bottom: 28px;
}

.detail-section h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid var(--primary);
}

.detail-section .content {
    font-size: 0.88rem;
    color: var(--ink-light);
    line-height: 1.8;
}

.detail-sidebar {
    position: sticky;
    top: 70px;
    align-self: start;
}

.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.sidebar-card .price-box {
    text-align: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.sidebar-card .price-box .price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.sidebar-card .price-box .price .unit {
    font-size: 0.85rem;
    font-weight: 400;
}

.sidebar-card .price-box .label {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 4px;
}

.inquiry-form .form-group {
    margin-bottom: 14px;
}

.inquiry-form label {
    display: block;
    font-size: 0.82rem;
    color: var(--ink-light);
    margin-bottom: 4px;
    font-weight: 500;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--ink);
    background: var(--bg-white);
    transition: border-color 0.2s;
    font-family: inherit;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.inquiry-form textarea {
    resize: vertical;
    min-height: 70px;
}

.inquiry-form .btn {
    width: 100%;
    padding: 10px;
}

.contact-card .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.85rem;
    color: var(--ink-light);
    border-bottom: 1px dashed var(--border);
}

.contact-card .contact-item:last-child { border-bottom: none; }
.contact-card .contact-item .icon { font-size: 1.1rem; }

/* ===== 合作页 ===== */
.coop-hero {
    background: linear-gradient(135deg, var(--nav-bg) 0%, var(--primary) 100%);
    color: #fff;
    text-align: center;
    padding: 50px 20px;
}

.coop-hero h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.coop-hero p {
    font-size: 1rem;
    opacity: 0.8;
}

.coop-adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.coop-adv-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
}

.coop-adv-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.coop-adv-card .icon {
    width: 56px;
    height: 56px;
    line-height: 56px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 1.5rem;
}

.coop-adv-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.coop-adv-card p {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.5;
}

.coop-form-wrap {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    max-width: 700px;
    margin: 0 auto;
}

.coop-form-wrap h2 {
    text-align: center;
    font-size: 1.3rem;
    color: var(--ink);
    margin-bottom: 24px;
}

.coop-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.coop-form .form-group {
    margin-bottom: 16px;
}

.coop-form label {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-light);
    margin-bottom: 5px;
    font-weight: 500;
}

.coop-form label .req { color: var(--danger); }

.coop-form input,
.coop-form select,
.coop-form textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--ink);
    background: var(--bg-white);
    transition: border-color 0.2s;
    font-family: inherit;
}

.coop-form input:focus,
.coop-form select:focus,
.coop-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.coop-form textarea {
    resize: vertical;
    min-height: 80px;
}

.coop-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
}

/* ===== Toast 提示 ===== */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--ink);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ===== 服务类型Tab ===== */
.svc-tabs {
    display: flex;
    gap: 0;
    margin: 16px 0 24px;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.svc-tab {
    padding: 10px 24px;
    font-size: 0.9rem;
    color: var(--ink-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all 0.2s;
    cursor: pointer;
}

.svc-tab:hover {
    color: var(--primary);
}

.svc-tab.active {
    color: var(--primary);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

/* ===== Excel表格风格列表 ===== */
.excel-table-wrap {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.excel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 800px;
}

.excel-table thead th {
    background: var(--nav-bg);
    color: #fff;
    font-weight: 600;
    padding: 12px 16px;
    text-align: left;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.excel-table thead th:first-child { border-radius: var(--radius) 0 0 0; }
.excel-table thead th:last-child { border-radius: 0 var(--radius) 0 0; }

.excel-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.excel-table tbody tr:hover {
    background: rgba(41, 128, 185, 0.03);
}

.excel-table tbody tr:last-child td {
    border-bottom: none;
}

.excel-table .col-id {
    width: 50px;
    text-align: center;
    color: var(--muted);
    font-size: 0.78rem;
}

.excel-table .col-name {
    min-width: 200px;
}

.excel-table .col-name a {
    color: var(--ink);
    font-weight: 500;
}

.excel-table .col-name a:hover {
    color: var(--primary);
}

.excel-table .col-actions {
    white-space: nowrap;
    text-align: right;
}

.excel-table .col-actions .btn-sm {
    margin-left: 6px;
}

/* ===== 小按钮 ===== */
.btn-sm {
    padding: 4px 12px;
    font-size: 0.78rem;
    border-radius: 4px;
}

/* ===== 徽章 ===== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.72rem;
    border-radius: 3px;
    font-weight: 500;
}

.badge-warning { background: rgba(243, 156, 18, 0.15); color: #e67e22; }
.badge-success { background: rgba(39, 174, 96, 0.15); color: #27ae60; }
.badge-info    { background: rgba(52, 152, 219, 0.15); color: #3498db; }
.badge-danger  { background: rgba(231, 76, 60, 0.15); color: #e74c3c; }
.badge-secondary { background: rgba(149, 165, 166, 0.15); color: #7f8c8d; }

/* ===== 图标图片 ===== */
.v-icon-img {
    max-width: 48px;
    height: auto;
    vertical-align: middle;
    display: inline-block;
}

.v-icon-img-sm {
    max-width: 24px;
    max-height: 24px;
    height: auto;
    vertical-align: middle;
    display: inline-block;
}

/* ===== 车型tooltip（自定义CSS气泡，即时显示）===== */
.vehicle-tip {
    cursor: help;
    border-bottom: 1px dotted var(--muted);
    display: inline-block;
    position: relative;
}

.vehicle-tip:hover {
    border-bottom-color: var(--primary);
}

.vehicle-tip[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: #1a1a2e;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.vehicle-tip[data-tip]::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1a1a2e;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
    pointer-events: none;
    z-index: 9999;
}

.vehicle-tip[data-tip]:hover::after,
.vehicle-tip[data-tip]:hover::before {
    opacity: 1;
    visibility: visible;
}

.vehicle-tip[data-tip]:hover::after {
    transform: translateX(-50%) translateY(-2px);
}

/* 首页卡片车型名称tooltip */
.v-name[data-tip] {
    cursor: help;
    position: relative;
}

.v-name[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: #1a1a2e;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.v-name[data-tip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ===== 复制按钮 ===== */
.copy-btn {
    cursor: pointer;
}

.copy-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== 表单提交页（商务考察/企业定制）===== */
.form-submit-page {
    max-width: 700px;
    margin: 24px auto;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-submit-page h2 {
    font-size: 1.4rem;
    color: var(--ink);
    margin-bottom: 12px;
    text-align: center;
}

.form-submit-page .form-intro {
    font-size: 0.88rem;
    color: var(--ink-light);
    line-height: 1.7;
    margin-bottom: 28px;
    text-align: center;
    padding: 0 20px;
}

.biz-form .form-group {
    margin-bottom: 16px;
}

.biz-form label {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-light);
    margin-bottom: 5px;
    font-weight: 500;
}

.biz-form input,
.biz-form select,
.biz-form textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    color: var(--ink);
    background: var(--bg-white);
    transition: border-color 0.2s;
    font-family: inherit;
}

.biz-form input:focus,
.biz-form select:focus,
.biz-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

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

.biz-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
    margin-top: 8px;
}

/* ===== 详情页新字段 ===== */
.detail-route-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
}

.detail-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--primary);
    background: rgba(41, 128, 185, 0.08);
    border: 1px solid rgba(41, 128, 185, 0.2);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 12px;
    vertical-align: middle;
}

.detail-copy-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== 响应式: 移动端 (≤768px) ===== */
@media (max-width: 768px) {
    .top-nav-bar {
        height: 50px;
        padding: 0 16px;
    }

    .top-nav-bar .logo { font-size: 1.1rem; }
    .top-nav-bar .logo .en { display: none; }

    .top-nav-bar .menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 10px 20px;
        gap: 0;
    }

    .top-nav-bar .menu.open { display: flex; }

    .top-nav-bar .menu a {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 0.95rem;
    }

    .top-nav-bar .menu a.active::after { display: none; }

    .mobile-toggle { display: block; }

    .top-nav-bar .nav-right { gap: 10px; }

    .hero { padding: 40px 16px; }
    .hero h1 { font-size: 1.5rem; }
    .hero .subtitle { font-size: 0.85rem; }
    .hero .cta-group { flex-direction: column; align-items: center; gap: 10px; }
    .btn { width: 100%; max-width: 260px; }

    .stats-bar {
        flex-wrap: wrap;
        gap: 20px;
        padding: 20px 16px;
    }
    .stat-item { width: 45%; }
    .stat-item .num { font-size: 1.4rem; }

    .section { padding: 30px 0; }
    .section-header h2 { font-size: 1.2rem; }
    .container { padding: 0 16px; }

    .service-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .service-card { padding: 20px 12px; }
    .service-card .icon { font-size: 2rem; }
    .service-card h3 { font-size: 0.9rem; }

    .product-grid { grid-template-columns: 1fr; gap: 12px; }
    .product-card .card-vehicle { padding: 12px; }

    .vehicle-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .vehicle-card { padding: 16px 12px; }

    .city-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .city-card { padding: 12px 8px; }

    .footer-content { grid-template-columns: 1fr; gap: 24px; padding: 0 16px; }

    .breadcrumb { padding: 12px 0; font-size: 0.8rem; }

    .filter-bar { padding: 16px; }
    .filter-row { flex-direction: column; align-items: flex-start; gap: 6px; }
    .filter-row .filter-label { min-width: auto; }
    .filter-row .filter-options { gap: 6px; }
    .filter-row .filter-options a { font-size: 0.78rem; padding: 3px 8px; }
    .filter-actions { justify-content: center; }

    .product-list .product-item {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .product-list .item-vehicle {
        width: 100%;
        flex-direction: row;
        justify-content: flex-start;
        gap: 12px;
        padding: 10px 16px;
    }

    .product-list .item-vehicle .v-icon { font-size: 2rem; }

    .product-list .item-action {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        min-width: 0;
    }

    .product-list .item-price { font-size: 1.1rem; }

    .pagination { gap: 4px; padding: 20px 0; }
    .pagination .page-btn { padding: 5px 9px; font-size: 0.8rem; }

    .detail-wrap { grid-template-columns: 1fr; }
    .detail-main { padding: 20px; }
    .detail-main h1 { font-size: 1.15rem; }
    .detail-info-grid { grid-template-columns: 1fr; }
    .detail-sidebar { position: static; }

    .coop-hero { padding: 35px 16px; }
    .coop-hero h1 { font-size: 1.4rem; }
    .coop-hero p { font-size: 0.85rem; }

    .coop-adv-grid { grid-template-columns: 1fr; gap: 12px; }
    .coop-adv-card { padding: 20px 16px; }

    .coop-form-wrap { padding: 20px; }
    .coop-form .form-row { grid-template-columns: 1fr; gap: 0; }

    .news-item { flex-direction: column; align-items: flex-start; gap: 4px; }
    .news-item .news-title { white-space: normal; padding-right: 0; }

    .svc-tabs { gap: 0; margin: 12px 0 16px; }
    .svc-tab { padding: 8px 14px; font-size: 0.82rem; }

    .excel-table { min-width: 600px; font-size: 0.8rem; }
    .excel-table thead th { padding: 10px 10px; }
    .excel-table tbody td { padding: 10px 10px; }
    .excel-table .col-id { width: 40px; }
    .excel-table .col-name { min-width: 140px; }
    .excel-table .col-actions .btn-sm { padding: 3px 8px; font-size: 0.72rem; }

    .form-submit-page { padding: 20px; margin: 12px auto; }
    .form-submit-page h2 { font-size: 1.2rem; }
    .form-submit-page .form-intro { font-size: 0.82rem; padding: 0; }

    .detail-copy-btn { display: block; margin: 8px 0 0; }
}

/* ===== 响应式: 平板 (769px-1024px) ===== */
@media (max-width: 1024px) and (min-width: 769px) {
    .service-grid { grid-template-columns: repeat(4, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .vehicle-grid { grid-template-columns: repeat(4, 1fr); }
    .city-grid { grid-template-columns: repeat(4, 1fr); }
    .coop-adv-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-wrap { grid-template-columns: 1fr; }
    .detail-sidebar { position: static; }
}