/* 全局样式 */
:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --gray: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用样式 */
.section-desc {
    text-align: center;
    color: var(--gray);
    margin-bottom: 50px;
    font-size: 18px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.contact-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.contact-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* 首页轮播区域 */
.hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 30px 0;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

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

.stat-item h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 1rem;
    margin: 0;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
    position: relative;
    z-index: 10;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 平台展示区域 */
.platforms {
    padding: 60px 0;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section-title p {
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.platform-card {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.platform-card:hover {
    transform: translateY(-5px);
}

.platform-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.platform-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.platform-card p {
    color: #6b7280;
    margin-bottom: 20px;
    flex-grow: 1;
}

.platform-features {
    list-style: none;
    text-align: left;
    margin-top: 15px;
}

.platform-features li {
    margin-bottom: 10px;
    color: #4b5563;
    display: flex;
    align-items: center;
}

.platform-features li i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 全球覆盖区域 */
.global-reach {
    padding: 60px 0;
    background: var(--white);
}

.map-container {
    width: 100%;
    height: 400px;
    margin: 30px 0;
    position: relative;
    border: 2px solid red !important;
    background: #fff !important;
    z-index: 10;
}

.map-container svg {
    width: 100%;
    height: 100%;
}

.map-container path {
    transition: all 0.3s ease;
}

.map-container path:hover {
    opacity: 1 !important;
    cursor: pointer;
}

.map-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-size: 14px;
    pointer-events: none;
    z-index: 1000;
}

.region-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.region-card {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.region-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 案例展示区域 */
.cases {
    padding: 60px 0;
    background: var(--light-bg);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.case-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.case-content p {
    color: #6b7280;
    margin-bottom: 15px;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.stat {
    text-align: center;
    padding: 10px;
    background: var(--light-bg);
    border-radius: 8px;
}

.stat h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* 合作方式区域 */
.cooperation {
    padding: 60px 0;
    background: var(--white);
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.cooperation-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.cooperation-card:hover {
    transform: translateY(-5px);
}

.cooperation-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.cooperation-features {
    list-style: none;
}

.cooperation-features li {
    margin-bottom: 15px;
    color: #4b5563;
    display: flex;
    align-items: center;
}

.cooperation-features li i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 粉丝类型区域 */
.fans {
    padding: 60px 0;
    background: var(--light-bg);
}

.fan-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.fan-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.fan-card:hover {
    transform: translateY(-5px);
}

.fan-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    color: var(--primary-color);
}

.fan-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.fan-card p {
    color: #6b7280;
    font-size: 0.9rem;
}

/* 页脚区域 */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 15px;
}

.footer-info p {
    margin: 15px 0;
    color: #9ca3af;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--white);
}

.footer-contact p {
    color: #9ca3af;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact p i {
    margin-right: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .platform-grid,
    .fan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .region-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .platform-grid,
    .case-grid,
    .cooperation-grid,
    .fan-grid,
    .region-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links ul li a,
    .footer-contact p {
        justify-content: center;
    }
}

/* 移动端菜单按钮 */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}

@media (max-width: 1200px) {
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }
}

/* 行业讯息新闻列表样式 */
.news-list-section {
    padding: 60px 0;
    background: var(--light-bg);
}
.news-list {
    padding: 0;
    margin: 0;
}
.news-item {
    padding: 10px 0 8px 0;
    margin: 0;
    border-bottom: 1px solid #eee;
}
.news-title {
    font-size: 16px;
    margin: 0 0 2px 0;
    line-height: 1.2;
    font-weight: 600;
}
.news-meta {
    font-size: 12px;
    color: #888;
    margin-bottom: 2px;
    display: flex;
    gap: 10px;
}
.news-summary {
    font-size: 13px;
    color: #444;
    margin: 0 0 2px 0;
    line-height: 1.4;
}
.read-more {
    font-size: 12px;
    color: var(--primary-color);
    padding: 0;
    margin: 0;
    text-decoration: none;
}
.read-more:hover {
    text-decoration: underline;
}

/* 新闻轮播区（小喇叭） */
.news-marquee {
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 30px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.08);
    padding: 8px 24px 8px 16px;
    margin: -30px auto 32px auto;
    max-width: 600px;
    min-height: 40px;
    position: relative;
    z-index: 10;
    font-size: 16px;
    overflow: hidden;
}
.news-marquee-icon {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
    flex-shrink: 0;
}
.news-marquee-list {
    flex: 1;
    position: relative;
    height: 32px;
    overflow: hidden;
}
.news-marquee-title {
    color: #222 !important;
    display: block;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
    line-height: 32px;
    transition: color 0.2s;
}
.news-marquee-title:hover {
    color: var(--primary-color);
    text-decoration: underline;
}
@media (max-width: 768px) {
    .news-marquee {
        max-width: 98vw;
        padding: 6px 10px 6px 8px;
        font-size: 14px;
        margin: -20px 0 20px 0;
    }
    .news-marquee-icon {
        font-size: 16px;
        margin-right: 8px;
    }
    .news-marquee-list {
        height: 28px;
    }
    .news-marquee-title {
        line-height: 28px;
        font-size: 14px;
    }
}