/* ============================================
   橙色主题增强版 CSS - 品牌官网视觉升级
   ============================================ */

/* CSS 变量定义 - 橙色主题 */
:root {
    --primary-orange: #ff6b35;
    --orange-light: #ff8f5a;
    --orange-dark: #e55a28;
    --orange-gradient: linear-gradient(135deg, #ff8f5a, #ff6b35);
    --orange-gradient-dark: linear-gradient(135deg, #e55a28, #cc4d20);
    --bg-orange-light: #fff8f5;
    --border-orange: rgba(255, 107, 53, 0.2);
    --shadow-orange: rgba(255, 107, 53, 0.15);
    
    /* 原有蓝色变量保留作为辅助色 */
    --primary-blue: #2c6280;
    --secondary-blue: #3a7ca5;
    --bg-blue-light: rgba(44, 98, 128, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f9fafb;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========== 导航栏 ========== */
.top-bar {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    top: 0;
    z-index: 1001;
    border-bottom: 1px solid #e9e9e9;
}
.top-bar-content {
    width: 100%;
    max-width: none;
    padding: 0 15%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
}
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 32px;
}
.top-bar-divider {
    width: 1px;
    height: 24px;
    background: rgba(255,255,255,0.3);
}
.top-bar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #9b9b9b;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}
.top-bar-link:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}
.hotline {
    font-weight: 600;
}
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 28px;
}
.login-link {
    background: var(--primary-orange);
    padding: 6px 16px;
    border-radius: 20px;
    color: #fff;
}
.login-link:hover {
    background: var(--orange-dark);
}

/* 全屏头部 */
.header-top { width: 100%; background: #fff; border-bottom: 1px solid #eef2f8; }

/* 导航栏 */
.navbar { 
    width: 100%; 
    display: flex; 
    align-items: center; 
    position: sticky; 
    padding: 1.2rem 15%; 
    position: relative; 
    z-index: 1000; 
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.navbar .logo { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-size: 1.8rem; 
    font-weight: 700; 
    color: var(--primary-orange); 
    letter-spacing: -0.3px; 
    text-decoration: none; 
    flex-shrink: 0; 
}
.logo-img { width: 100px; height: 40px; object-fit: contain; }
.logo span { color: var(--primary-blue); }
.nav-center { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; }
.nav-actions { margin-left: auto; }
.nav-links { display: flex; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-item > a { 
    display: flex; 
    align-items: center; 
    gap: 4px; 
    padding: 0.8rem 1.2rem; 
    text-decoration: none; 
    color: #5a6e7c; 
    font-weight: 600; 
    font-size: 1.1rem; 
    transition: all 0.2s; 
    border-radius: 0.5rem; 
}
.nav-item > a:hover, .nav-item > a.active { 
    color: var(--primary-orange); 
    background: var(--bg-orange-light); 
}
.dropdown { 
    position: absolute; 
    top: 100%; 
    left: 0; 
    min-width: 200px; 
    background: #fff; 
    border-radius: 1rem; 
    box-shadow: 0 10px 40px var(--shadow-orange); 
    padding: 0.8rem 0; 
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(10px); 
    transition: all 0.3s ease; 
    z-index: 1001; 
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1.2rem; text-decoration: none; color: #5a6e7c; font-size: 0.85rem; transition: all 0.2s; }
.dropdown a:hover { background: var(--bg-orange-light); color: var(--primary-orange); }

/* 导航按钮 - 橙色渐变 */
.nav-btn { 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    background: var(--orange-gradient); 
    padding: 0.8rem 1.6rem; 
    border-radius: 2rem; 
    text-decoration: none; 
    color: white; 
    font-weight: 600; 
    font-size: 1rem; 
    transition: all 0.3s; 
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25); 
}
.nav-btn:hover { 
    background: var(--orange-gradient-dark); 
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35); 
    transform: translateY(-2px); 
}
.nav-btn-icon { width: 18px; height: 18px; }
.nav-login { color: #5a6e7c; text-decoration: none; font-size: 0.85rem; font-weight: 500; padding: 0.6rem 1rem; border-radius: 0.5rem; transition: all 0.2s; }
.nav-login:hover { color: var(--primary-orange); background: var(--bg-orange-light); }
.mobile-menu-btn { display: none; background: none; border: none; padding: 0.5rem; cursor: pointer; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: #5a6e7c; margin: 5px 0; border-radius: 2px; transition: all 0.3s; }

/* ========== 品牌头部卡片 - 橙色主题 ========== */
.brand-hero {
    background: linear-gradient(135deg, #fff8f5 0%, #fef6f0 50%, #fdf2e9 100%);
    border-radius: 1.5rem;
    margin: 2rem 0;
    padding: 2rem;
    box-shadow: 0 8px 28px -8px var(--shadow-orange);
    position: relative;
    border: 1px solid var(--border-orange);
}
.brand-hero-badge {
    position: absolute;
    top: 20px;
    right: 20px;
}
.brand-hero-badge img {
    width: 80px;
height: auto;
}
.brand-hero-content {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
.brand-pic {
    width: 260px;
    height: 160px;
    border-radius: 1rem;
    background: #ffffff;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    flex-shrink: 0;
}
.brand-pic img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.brand-info {
    flex: 1;
    min-width: 300px;
    margin-left: 30px;
}
.brand-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}
.brand-title-row h1 {
    font-size: 1.8rem;
    color: #2c3e50;
    font-weight: 700;
}

/* 品牌标签 - 橙色渐变 */
.brand-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.brand-tag {
    padding: 0.4rem 1rem;
    background: var(--orange-gradient);
    border-radius: 2rem;
    font-size: 0.75rem;
    color: #ffffff;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
    transition: all 0.2s;
}
.brand-tag:hover {
    background: var(--orange-gradient-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* 产品标签 */
.brand-products {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.brand-products span {
    font-size: 0.85rem;
    color: #666;
}
.product-tag {
    padding: 0.3rem 0.8rem;
    background: var(--bg-orange-light);
    border-radius: 1rem;
    font-size: 0.8rem;
    color: var(--primary-orange);
    border: 1px solid var(--border-orange);
    transition: all 0.2s;
}
.product-tag:hover {
    background: var(--primary-orange);
    color: #fff;
}

/* 品牌元数据 */
.brand-meta-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-orange);
}
.brand-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.2rem;
    background: #fff;
    border-radius: 0.8rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border: 1px solid #f0f0f0;
    min-width: 140px;
    transition: all 0.2s;
}
.brand-meta-item:hover {
    border-color: var(--border-orange);
    box-shadow: 0 4px 12px var(--shadow-orange);
}
.brand-meta-label {
    font-size: 0.75rem;
    color: var(--primary-orange);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.brand-meta-value {
    font-size: 0.9rem;
    color: #2c3e50;
    font-weight: 600;
}
.brand-meta-value a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color 0.2s;
}
.brand-meta-value a:hover {
    color: var(--orange-dark);
    text-decoration: underline;
}

/* ========== 内容区域 ========== */
.content-wrapper {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

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

/* ========== 通用卡片样式 ========== */
.card {
    background: #ffffff;
    border-radius: 1.5rem;
    box-shadow: 0 8px 28px -8px rgba(0,0,0,0.06);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}
.card:hover {
    border-color: var(--border-orange);
    box-shadow: 0 12px 36px -8px var(--shadow-orange);
}

/* 卡片标题 - 橙色装饰线 */
.card-header {
    padding: 1rem 0;
    border-bottom: 2px solid var(--bg-orange-light);
    margin-bottom: 1rem;
}
.card-header h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}
.card-header h3::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.2rem;
    background: var(--orange-gradient);
    border-radius: 2px;
}
.card-header p {
    font-size: 0.75rem;
    color: #8aa2b8;
    margin-top: 0.3rem;
}
        
/* 分类首字 Logo */
.char-logo {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 0.8rem;
    background: var(--orange-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
    flex-shrink: 0;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

.industry-item:hover .char-logo {
    background: var(--orange-gradient-dark);
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* ========== 品牌介绍卡片 ========== */
.intro-card {
    padding: 0;
}
.intro-card-header {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    align-items: flex-start;
}
.intro-card .intro-image {
    width: 470px;
    height: 290px;
    border-radius: 0.8rem;
    overflow: hidden;
    flex-shrink: 0;
    display: none;
}
.intro-card .intro-image img {
    width: 470px;
    height: 290px;
    display: block;
    object-fit: cover;
}
.intro-card .intro-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.intro-card .card-header {
    padding: 0 1.5rem 0 0;
    margin-bottom: 0;
    border-bottom: none;
}
.intro-card .card-header h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.intro-card .card-header h3::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.2rem;
    background: var(--orange-gradient);
    border-radius: 2px;
}
.intro-card .intro-summary {
    font-size: 0.85rem;
    color: #3a627a;
    line-height: 1.8;
    padding: 0 1.5rem 0 0;
    margin-top: 1rem;
}
.intro-card .intro-summary p {
    margin-bottom: 0.8rem;
    text-align: justify;
}
.intro-card .intro-text {
    font-size: 0.9rem;
    color: #3a627a;
    line-height: 1.8;
    margin-bottom: 1rem;
    padding: 0 1.5rem;
}
.intro-card .intro-text p {
    margin-bottom: 1rem;
    text-align: justify;
}
.intro-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-orange-light);
    border-radius: 0.8rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.intro-footer .source {
    font-size: 0.8rem;
    color: #7c97af;
}
.intro-footer .actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.intro-footer .action-btn {
    font-size: 0.8rem;
    color: var(--primary-orange);
    padding: 0.4rem 0.8rem;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}
.intro-footer .action-btn:hover {
    background: var(--primary-orange);
    color: #fff;
}
.intro-footer .update-time {
    font-size: 0.75rem;
    color: #9bb2c7;
}

/* ========== 企业信息表格 ========== */
.company-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.company-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--bg-orange-light);
    font-weight: 600;
    color: var(--primary-orange);
    border-bottom: 1px solid var(--border-orange);
}
.company-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f0f4f8;
    color: #3a627a;
}
.company-table td:first-child {
    background: var(--bg-orange-light);
    color: var(--primary-orange);
    width: 140px;
}
.company-table tr:hover td {
    background: var(--bg-orange-light);
}

/* ========== 旗下品牌列表 ========== */
.brand-item {
    text-decoration: none !important;
}
.brand-item p {
    text-decoration: none !important;
}
.brand-list {
    display: grid;
    gap: 1rem;
}
.brand-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-orange-light);
    border-radius: 1rem;
    border: 1px solid var(--border-orange);
    transition: all 0.2s;
}
.brand-item:hover {
    border-color: var(--primary-orange);
    box-shadow: 0 4px 12px var(--shadow-orange);
}
.brand-item-pic {
    width: 80px;
    height: 80px;
    border-radius: 0.8rem;
    background: #ffffff;
    padding: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-orange);
}
.brand-item-pic img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.brand-item-content h4 {
    font-size: 1rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}
.brand-item-content p {
    font-size: 0.8rem;
    color: #6a849c;
    line-height: 1.5;
}

/* ========== 行业榜单 ========== */
.industry-list {
    display: grid;
    gap: 0.8rem;
}
.industry-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-orange-light);
    border-radius: 1rem;
    border: 1px solid var(--border-orange);
    text-decoration: none;
    transition: all 0.2s;
}
.industry-item:hover {
    background: #fff;
    border-color: var(--primary-orange);
    transform: translateX(4px);
    box-shadow: 0 4px 12px var(--shadow-orange);
}
.industry-item .pic {
    width: 48px;
    height: 48px;
    border-radius: 0.8rem;
    overflow: hidden;
    flex-shrink: 0;
}
.industry-item .pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.industry-item .name {
    flex: 1;
    font-size: 0.9rem;
    color: #2c3e50;
    font-weight: 500;
}
.industry-item .ranking {
    font-size: 1rem;
    color: var(--primary-orange);
    font-weight: 700;
}

/* ========== 资讯列表 ========== */
.news-item {
    text-decoration: none !important;
}
.news-item p {
    text-decoration: none !important;
}
.news-list {
    display: grid;
    gap: 1rem;
}
.news-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-orange-light);
    border-radius: 1rem;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.news-item:hover {
    border-color: var(--primary-orange);
    box-shadow: 0 4px 12px var(--shadow-orange);
}
.news-item .pic {
    width: 120px;
    height: 80px;
    border-radius: 0.8rem;
    overflow: hidden;
    flex-shrink: 0;
    display: none;
}
.news-item .pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-item .content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-item .title {
    font-size: 0.95rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    transition: color 0.2s;
}
.news-item:hover .title {
    color: var(--primary-orange);
}
.news-item .desc {
    font-size: 0.8rem;
    color: #6a849c;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 新闻卡片网格 ========== */
.news-card-title {
    text-decoration: none !important;
}
.news-card {
    text-decoration: none !important;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.news-card {
    background: #ffffff;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--border-orange);
    transition: all 0.3s;
}
.news-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-4px);
    box-shadow: 0 12px 28px -8px var(--shadow-orange);
}
.news-card-img {
    width: 100%;
    height: 140px;
    overflow: hidden;
    display: none;
}
.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.news-card:hover .news-card-img img {
    transform: scale(1.05);
}
.news-card-content {
    padding: 1rem;
}
.news-card-title {
    font-size: 1.3rem;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}
.news-card:hover .news-card-title {
    color: var(--primary-orange);
}
.news-card-desc {
    font-size: 0.8rem;
    color: #6a849c;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 侧边栏样式 ========== */
.sidebar-card {
    background: #ffffff;
    border-radius: 1.5rem;
    box-shadow: 0 8px 28px -8px rgba(0,0,0,0.06);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}
.sidebar-card:hover {
    border-color: var(--border-orange);
    box-shadow: 0 12px 36px -8px var(--shadow-orange);
}
.sidebar-card-header {
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-orange-light);
    margin-bottom: 1rem;
}
.sidebar-card-header h3 {
    font-size: 1.1rem;
    color: #2c3e50;
    font-weight: 600;
}

/* 认证信息 */
.auth-info {
    text-align: center;
}
.auth-logo {
    width: 100px;
    height: 60px;
    margin: 0 auto 1rem;
    display: none;
}
.auth-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.auth-title h2 {
    font-size: 1rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}
.auth-claim {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--primary-orange);
    color: #ffffff;
    border-radius: 1.5rem;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    transition: all 0.2s;
    cursor: pointer;
}
.auth-claim:hover {
    background: var(--orange-dark);
    transform: scale(1.05);
}
.auth-tags {
    font-size: 0.75rem;
    color: #6a849c;
    line-height: 1.6;
    margin-bottom: 1rem;
}
.auth-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 1rem;
}
.auth-stat {
    padding: 0.8rem;
    background: var(--bg-orange-light);
    border-radius: 0.8rem;
    text-align: center;
    border: 1px solid var(--border-orange);
}
.auth-stat .n {
    font-size: 1.2rem;
    color: var(--primary-orange);
    font-weight: 700;
}
.auth-stat .label {
    font-size: 0.7rem;
    color: #7c97af;
}

/* 点赞按钮 - 橙色渐变 */
.auth-btn {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background: var(--orange-gradient);
    color: #ffffff;
    border: none;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}
.auth-btn:hover {
    background: var(--orange-gradient-dark);
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
    transform: translateY(-2px);
}

/* 二维码 */
.qrcode-section {
    text-align: center;
    padding: 1rem;
    background: var(--bg-orange-light);
    border-radius: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-orange);
}
.qrcode-title {
    font-size: 0.9rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.8rem;
}
.qrcode-img {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: #ffffff;
    padding: 8px;
    border-radius: 0.5rem;
}
.qrcode-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.qrcode-tip {
    font-size: 0.75rem;
    color: #7c97af;
    margin-top: 0.5rem;
}

/* 榜单标签页 - 橙色主题 */
.rank-name {
    text-decoration: none !important;
}

.tab-header {
    display: flex;
    border-bottom: 2px solid var(--bg-orange-light);
    margin-bottom: 1rem;
}
.tab-btn {
    flex: 1;
    padding: 0.8rem;
    background: none;
    border: none;
    font-size: 0.85rem;
    color: #7c97af;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}
.tab-btn:hover {
    color: var(--primary-orange);
}
.tab-btn.active {
    color: var(--primary-orange);
    font-weight: 600;
}
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--orange-gradient);
    border-radius: 2px;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* 排行榜条目 */
.rank-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--bg-orange-light);
    transition: all 0.2s;
}
.rank-item:hover {
    background: var(--bg-orange-light);
    padding-left: 0.5rem;
    border-radius: 0.5rem;
}
.rank-item:last-child {
    border-bottom: none;
}

/* 排名徽章 - 橙色渐变 */
.rank-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}
.rank-badge.top1 { background: var(--orange-gradient); color: #fff; box-shadow: 0 2px 6px rgba(255, 107, 53, 0.3); }
.rank-badge.top2 { background: linear-gradient(135deg, #ffab8a, #ff8f5a); color: #fff; box-shadow: 0 2px 6px rgba(255, 107, 53, 0.25); }
.rank-badge.top3 { background: linear-gradient(135deg, #ffc4a8, #ffa87a); color: #fff; box-shadow: 0 2px 6px rgba(255, 107, 53, 0.2); }
.rank-badge.default { background: var(--bg-orange-light); color: var(--primary-orange); }

.rank-name {
    flex: 1;
    font-size: 0.85rem;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.2s;
}
.rank-item:hover .rank-name {
    color: var(--primary-orange);
}

/* 排行榜分数 - 橙色 */
.rank-score {
    font-size: 0.8rem;
    color: var(--primary-orange);
    font-weight: 600;
}

/* 相关品牌推荐 */
.related-brands {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}
.related-brand {
    background: var(--bg-orange-light);
    border-radius: 0.8rem;
    overflow: hidden;
    border: 1px solid var(--border-orange);
    transition: all 0.2s;
}
.related-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-orange);
}
.related-brand img {
    width: 100%;
    height: auto;
    display: block;
}

/* ========== 底部 ========== */
.footer {
    margin-top: 3rem;
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--border-orange);
    text-align: center;
}
.footer p {
    color: #8aa2b8;
    font-size: 0.8rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-brands {
        grid-template-columns: repeat(4, 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;
    }
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    .related-brands {
        grid-template-columns: repeat(2, 1fr);
    }
    .brand-meta-grid {
        flex-direction: column;
        align-items: center;
    }
    .company-table {
        font-size: 0.8rem;
    }
    .company-table td:first-child {
        width: 100px;
    }
}

@media (max-width: 550px) {
    .container {
        padding: 0 1rem;
    }
    .brand-hero {
        padding: 1.5rem 1rem;
        border-radius: 1rem;
    }
    .card {
        padding: 1rem;
        border-radius: 1rem;
    }
    .news-item {
        flex-direction: column;
    }
    .news-item .pic {
        width: 100%;
        height: 160px;
    }
    .auth-stats {
        grid-template-columns: 1fr;
    }
    .intro-card-header {
        flex-direction: column;
    }
    .intro-card .intro-image {
        width: 100%;
        height: auto;
    }
    .intro-card .intro-image img {
        width: 100%;
        height: auto;
    }
    .intro-card .intro-summary {
        padding: 0;
        margin-top: 1rem;
    }
    .intro-card .card-header {
        padding: 0;
    }
}

/* 小屏幕适配 */
@media (max-width: 768px) {
    .intro-card-header {
        flex-direction: column;
    }
    .intro-card .intro-image {
        width: 100%;
        max-width: 470px;
        margin: 0 auto;
    }
    .intro-card .intro-image img {
        width: 100%;
    }
}

/* 查看更多链接 */
.view-more {
    display: block;
    text-align: center;
    padding: 0.8rem;
    margin-top: 1rem;
    color: var(--primary-orange);
    font-size: 0.85rem;
    text-decoration: none;
    background: var(--bg-orange-light);
    border-radius: 2rem;
    border: 1px solid var(--border-orange);
    transition: all 0.2s;
}
.view-more:hover {
    background: var(--primary-orange);
    color: #fff;
}

/* 相关行业两列布局 */
.sidebar-card .industry-list.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}
.sidebar-card .industry-list.two-col .industry-item {
    padding: 0.8rem;
}
.sidebar-card .industry-list.two-col .industry-item .pic {
    width: 36px;
    height: 36px;
}
.sidebar-card .industry-list.two-col .industry-item .name {
    font-size: 0.8rem;
}
.sidebar-card .industry-list.two-col .industry-item .ranking {
    display: none;
}

/* 隐藏元素 */
.hide {
    display: none !important;
}

/* 侧边栏新闻资讯样式 */
.sidebar-news {
    padding: 10px 0;
}
.sidebar-news-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 15px;
    text-decoration: none;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.3s;
}
.sidebar-news-item:last-child {
    border-bottom: none;
}
.sidebar-news-item:hover {
    background-color: var(--bg-orange-light);
}
.sidebar-news-pic {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    margin-right: 12px;
    border-radius: 4px;
    overflow: hidden;
    background-color: #eee;
    display: none;
}
.sidebar-news-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sidebar-news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.sidebar-news-title {
    font-size: 14px;
    color: #1e4a6b;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
    transition: color 0.2s;
}
.sidebar-news-item:hover .sidebar-news-title {
    color: var(--primary-orange);
}
.sidebar-news-date {
    font-size: 12px;
    color: #1e4a6b;
}
.sidebar-more-link {
    display: block;
    text-align: center;
    padding: 12px 15px;
    color: var(--primary-orange);
    font-size: 14px;
    text-decoration: none;
    border-top: 1px solid var(--border-orange);
    transition: all 0.2s;
}
.sidebar-more-link:hover {
    background: var(--primary-orange);
    color: #fff;
}

/* ========== Footer ========== */
.footer {
    max-width: 1352px;
    margin: 3rem auto 0;
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--border-orange);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}
.footer-col p {
    color: #8aa2b8;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}
.footer-links {
    display: flex;
    gap: 2rem;
}
.footer-links a {
    text-decoration: none;
    color: var(--primary-orange);
    font-size: 0.8rem;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--orange-dark);
}

/* 手机端 550px */
@media (max-width: 550px) {
    .footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.2rem;
        padding: 1.5rem 1rem;
    }
    .footer-links {
        flex-wrap: wrap;
        gap: 12px 18px;
        justify-content: center;
    }
    .footer-links a {
        font-size: 0.75rem;
    }
}

/* 美化 placeholder */
:-ms-input-placeholder {
    color: #999;
}
input:-moz-placeholder {
    color: #999;
}
#field2::-webkit-input-placeholder,
#field3::-webkit-input-placeholder,
#field4::-webkit-input-placeholder {
    color: #999;
}
#field2::-moz-placeholder,
#field3::-moz-placeholder,
#field4::-moz-placeholder {
    color: #999;
}

/* 广告图片上增加：广告字样 */
.adwording {
    position: relative;
    display: inline-block;
}
.adwording .ad-text{
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    color: #fff;
    font-size: 13px;
    padding: 2px 5px;
    background: rgba(255, 107, 53, 0.8);
}

/* ========== 动画效果 ========== */
/* 悬停放大效果 */
@keyframes orangePulse {
    0% { box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2); }
    50% { box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4); }
    100% { box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2); }
}

/* 渐变文字效果 */
.orange-text-gradient {
    background: linear-gradient(135deg, #ff6b35, #ff8f5a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 玻璃态效果 */
.glass-orange {
    background: rgba(255, 107, 53, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 107, 53, 0.2);
}