/* BIOCHINA华南和美国页面专用样式 */
.page-container {
    padding-top: 116px;
}

.container-1400 {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ===== 通用样式 ===== */
.content-section {
    padding: 50px 0;
}

.bg-light {
    background: #f8f9fa;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 15px;
    font-family: 'Aleo';
}

.divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin: 0 auto;
}

.catebox > div {
    display: none;
}
.catebox > div:first-child {
    display: block;
}

/* ===== 统一Banner样式 ===== */
.bio-south-hero,
.bio-usa-hero,
.bio-h-hero {
    position: relative;
    height: 500px; /* 统一banner高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

/* 华南banner */
.bio-south-hero {
    background: url('../images/banner_n.jpg') center/cover;
}

/* 美国banner */
.bio-usa-hero {
    background: url('../images/banner_m.jpg') center/cover;
}

/* 韩国banner */
.bio-h-hero {
    background: url('../images/banner_h.jpg') center/cover;
}

.bio-south-hero .hero-content,
.bio-usa-hero .hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.bio-south-hero .hero-title,
.bio-usa-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.bio-south-hero .hero-subtitle,
.bio-usa-hero .hero-subtitle {
    font-size: 1.3rem;
    font-family: 'Aleo';
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 1px;
}

/* ===== 统一数据统计区域样式 ===== */
.stats-section,
.usa-stats-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4fd 100%);
}

/* 统一网格布局 */
.stats-grid,
.stats-grid-secondary,
.usa-stats-grid {
    display: grid;
    gap: 30px;
    width: 100%;
}

/* 华南页面网格 */
.stats-grid,
.stats-grid-secondary {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 50px;
}

/* 美国页面网格 */
.usa-stats-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* 统一数字项样式 */
.stat-item,
.usa-stat-item {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.stat-item:hover,
.usa-stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: var(--primary);
}

/* 统一数字样式 */
.stat-number,
.usa-stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--orange);
    margin-bottom: 10px;
    display: block;
    font-family: 'Aleo';
    line-height: 1;
    position: relative;
}

/* +号样式 */
.stat-number::after,
.usa-stat-number::after {
    content: attr(data-plus);
    font-size: 2rem;
    font-weight: 600;
    color: var(--orange);
    margin-left: 2px;
}

.stat-label,
.usa-stat-label {
    font-size: 1.3rem;
    color: var(--gray);
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-desc,
.usa-stat-desc {
    font-size: 1rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== 往届重磅嘉宾区域 ===== */
.speakers-section {
    background: white;
}

.speaker-slide {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.speaker-slide:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
    border-color: var(--primary);
}

.speaker-image {
    width: 180px !important;
    height: 180px !important;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 25px;
    border: 4px solid var(--light-blue);
    transition: all 0.3s ease;
}

.speaker-slide:hover .speaker-image {
    border-color: var(--primary);
    transform: scale(1.05);
}

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

.speaker-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

.speaker-title {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 5px;
    font-weight: 500;
}

.speaker-company {
    font-size: 1rem;
    color: #666;
    line-height: 1.4;
}

/* ===== 往届赞助商区域 ===== */
.exhibitors-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4fd 100%);
}

.exhibitor-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background: white;
    border-radius: 12px;
    height: 120px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.exhibitor-slide:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    border-color: var(--primary);
}

.exhibitor-logo {
    max-width: 80%;
    max-height: 60px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.exhibitor-slide:hover .exhibitor-logo {
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* ===== 现场回顾区域 ===== */
.review-section {
    background: white;
}

.review-slide {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 280px;
    border: 2px solid transparent;
}

.review-slide:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
    border-color: var(--primary);
}

.review-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.review-slide:hover .review-image {
    transform: scale(1.05);
}

/* ===== BIOCHINA美国页面特有样式 ===== */

/* 分布图表区域 */
.distribution-section {
    background: white;
}

.distribution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-top: 40px;
    width: 100%;
}

.distribution-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid var(--light-blue);
}

.distribution-header {
    text-align: center;
    margin-bottom: 40px;
}

.distribution-header h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 10px;
    font-weight: 700;
}

.distribution-header p {
    font-size: 1.1rem;
    color: var(--gray);
    font-family: 'Aleo';
}

/* 国别地域分布样式 */
.country-distribution {
    position: relative;
}

.country-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-blue);
}

.country-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.country-flag {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    font-size: 0.9rem;
}

.country-name {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 600;
}

.country-percentage {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--orange);
}

/* 赛道分布样式 */
.track-distribution {
    position: relative;
}

.track-item {
    margin-bottom: 20px;
}

.track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.track-name {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 600;
}

.track-percentage {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 700;
}

.track-bar {
    height: 8px;
    background: var(--light-blue);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.track-progress {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transition: width 1s ease-in-out;
}

/* 进度条颜色变化 */
.track-item:nth-child(1) .track-progress {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.track-item:nth-child(2) .track-progress {
    background: linear-gradient(135deg, #ff7b00, #ff5500);
}

.track-item:nth-child(3) .track-progress {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.track-item:nth-child(4) .track-progress {
    background: linear-gradient(135deg, #6f42c1, #e83e8c);
}

.track-item:nth-child(5) .track-progress {
    background: linear-gradient(135deg, #fd7e14, #e74a3b);
}

.track-item:nth-child(6) .track-progress {
    background: linear-gradient(135deg, #6c757d, #495057);
}

/* ===== 通用Swiper样式 ===== */
.speakersSwiper,
.exhibitorsSwiper,
.reviewSwiper {
    padding: 20px 0 60px;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ccc;
    opacity: 0.6;
}

.swiper-pagination-bullet-active {
    background: var(--primary);
    opacity: 1;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .stats-grid,
    .stats-grid-secondary {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .distribution-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stat-number,
    .usa-stat-number {
        font-size: 3rem;
    }
    
    .speaker-image {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 992px) {
    .bio-south-hero,
    .bio-usa-hero {
        height: 350px;
    }
    
    .bio-south-hero .hero-title,
    .bio-usa-hero .hero-title {
        font-size: 2.5rem;
    }
    
    .content-section {
        padding: 80px 0;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .speaker-image {
        width: 140px;
        height: 140px;
    }
    
    .usa-stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .bio-south-hero,
    .bio-usa-hero {
        height: 300px;
    }
    
    .bio-south-hero .hero-title,
    .bio-usa-hero .hero-title {
        font-size: 2rem;
    }
    
    .bio-south-hero .hero-subtitle,
    .bio-usa-hero .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .content-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .stats-grid,
    .stats-grid-secondary {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stat-item,
    .usa-stat-item {
        padding: 30px 20px;
    }
    
    .stat-number,
    .usa-stat-number {
        font-size: 2.8rem;
    }
    
    .speaker-image {
        width: 120px;
        height: 120px;
    }
    
    .speaker-name {
        font-size: 1.2rem;
    }
    
    .exhibitor-slide {
        height: 100px;
        padding: 20px;
    }
    
    .review-slide {
        height: 220px;
    }
    
    .distribution-card {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .bio-south-hero,
    .bio-usa-hero {
        height: 250px;
    }
    
    .bio-south-hero .hero-title,
    .bio-usa-hero .hero-title {
        font-size: 1.8rem;
    }
    
    .bio-south-hero .hero-subtitle,
    .bio-usa-hero .hero-subtitle {
        font-size: 1rem;
    }
    
    .content-section {
        padding: 50px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .stat-number,
    .usa-stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label,
    .usa-stat-label {
        font-size: 1.1rem;
    }
    
    .speaker-image {
        width: 100px;
        height: 100px;
    }
    
    .speaker-name {
        font-size: 1.1rem;
    }
    
    .review-slide {
        height: 180px;
    }
    
    .country-item {
        align-items: flex-start;
        gap: 10px;
    }
    
    .country-percentage {
        align-self: flex-end;
    }
}