/* ========== 品牌详情页  ========== */

@import url("topheader.css"); 

:root {
    --primary: #2563eb;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #60a5fa;
    --bg: #eff6ff;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #dbeafe;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: #f8fafc;
    color: var(--text);
    line-height: 1.6;
}

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

/* ========== 品牌头部 ========== */
.brand-hero {
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin: 24px 0;
    padding: 32px;
}

.brand-hero-badge {
    position: absolute;
    top: 20px;
    right: 20px;
}

.brand-hero-badge img {
    width: 70px;
    height: auto;
}

.brand-hero-content {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.brand-pic {
    width: 240px;
    height: 150px;
    border-radius: 12px;
    background: var(--white);
    padding: 12px;
    border: 1px solid var(--border);
    flex-shrink: 0;
    display: none;
}

.brand-pic img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-info {
    flex: 1;
    min-width: 300px;
}

.brand-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.brand-title-row h1 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    font-weight: 700;
}

.brand-tags {
    display: flex;
    gap: 8px;
}

.brand-tag {
    padding: 6px 14px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.brand-products {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.products-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-tag {
    padding: 4px 12px;
    background: var(--bg);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid var(--border);
}

.brand-meta-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.brand-meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.brand-meta-label {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.brand-meta-value {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}

.brand-meta-value a {
    color: var(--primary);
    text-decoration: none;
}

.brand-meta-value a:hover {
    text-decoration: underline;
}

/* ========== 内容区域 ========== */
.content-wrapper {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
}

.main-content {
    flex: 2.5;
    min-width: 300px;
}

.sidebar {
    flex: 1;
    min-width: 300px;
}

/* ========== 通用卡片 ========== */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.card:hover {
    border-color: var(--primary);
}

.card-header {
    padding: 12px 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 16px;
}

.card-header h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

/* ========== 品牌介绍 ========== */
.intro-card {
    padding: 0;
}

.intro-card-header {
    display: flex;
    gap: 24px;
    padding: 24px;
    align-items: flex-start;
}

.intro-image {
    width: 400px;
    height: 250px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    display: none;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-right {
    flex: 1;
}

.intro-card .card-header {
    padding: 0;
    margin-bottom: 12px;
    border: none;
}

.intro-card .card-header h3::before {
    display: none;
}

.intro-summary {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.8;
    margin-top: 12px;
}

.intro-text {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.8;
    padding: 0 24px 16px;
}

.intro-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg);
    border-radius: 0 0 12px 12px;
    flex-wrap: wrap;
    gap: 10px;
}

.source {
    font-size: 0.8rem;
    color: var(--text-light);
}

.actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.action-btn {
    font-size: 0.8rem;
    color: var(--primary);
    padding: 4px 10px;
    background: var(--bg);
    border-radius: 6px;
    cursor: pointer;
}

.update-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ========== 企业信息表格 ========== */
.company-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.company-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--bg);
    color: var(--primary);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.company-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.company-table tr:hover td {
    background: var(--bg);
}

/* ========== 行业榜单 ========== */
.char-logo {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 8px;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.industry-list {
    display: grid;
    gap: 12px;
}

.industry-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: var(--bg);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}

.industry-item:hover {
    background: var(--primary);
    color: #fff;
}

.industry-item .name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.industry-item .ranking {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
}

.industry-item:hover .ranking {
    color: #fff;
}

/* ========== 资讯列表 ========== */
.news-list {
    display: grid;
    gap: 12px;
}

.news-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--bg);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}

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

.news-item .content {
    flex: 1;
}

.news-item .title {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 6px;
}

.news-item:hover .title {
    color: #fff;
}

.news-item .desc {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

.news-item:hover .desc {
    color: rgba(255,255,255,0.8);
}

/* ========== 新闻网格 ========== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.2s;
}

.news-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.1);
}

.news-card-img {
    width: 100%;
    height: 120px;
    display: none;
}

.news-card-content {
    padding: 14px;
}

.news-card-title {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

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

.news-card-desc {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ========== 侧边栏 ========== */
.sidebar-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.sidebar-card-header {
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-card-header h3 {
    font-size: 1rem;
    color: var(--primary-dark);
    font-weight: 600;
}

/* 认证信息 */
.auth-logo {
    width: 100px;
    height: 60px;
    margin: 0 auto 12px;
    display: none;
}

.auth-title {
    text-align: center;
    margin-bottom: 12px;
}

.auth-title h2 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 8px;
}

.auth-claim {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
}

.auth-tags {
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 12px;
}

.auth-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}

.auth-stat {
    padding: 12px;
    background: var(--bg);
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border);
}

.auth-stat .n {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 700;
}

.auth-stat .label {
    font-size: 0.7rem;
    color: var(--text-light);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.auth-btn:hover {
    background: var(--primary-dark);
}

/* 标签页 */
.tab-header {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 12px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    font-size: 0.85rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--primary);
    font-weight: 600;
    position: relative;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 排行榜 */
.rank-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

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

.rank-badge {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg);
    color: var(--primary);
}

.rank-badge.top1 {
    background: var(--primary);
    color: #fff;
}

.rank-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text);
    text-decoration: none;
}

.rank-name:hover {
    color: var(--primary);
}

.rank-score {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
}

/* ========== 底部 ========== */
.footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 0 3rem;
    border-top: 2px solid var(--primary);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-col p {
    color: var(--text-light);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.875rem;
}

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

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .brand-meta-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .brand-hero-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .brand-meta-grid {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .brand-hero {
        padding: 20px;
        border-radius: 12px;
    }
    
    .brand-title-row h1 {
        font-size: 1.5rem;
    }
    
    .brand-meta-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 16px;
        border-radius: 10px;
    }
    
    .sidebar-card {
        padding: 16px;
    }
    
    .footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
        padding: 24px 16px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 12px 20px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .brand-meta-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-stats {
        grid-template-columns: 1fr;
    }
    
    .intro-card-header {
        flex-direction: column;
    }
}