/* 基础样式 */
:root {
    --primary-color: #00b894;
    --primary-dark: #00a085;
    --secondary-color: #2d3436;
    --accent-color: #fdcb6e;
    --light-bg: #f8f9fa;
    --dark-bg: #2d3436;
    --text-color: #2d3436;
    --text-light: #636e72;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
    --gradient-dark: linear-gradient(135deg, #2d3436 0%, #636e72 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.logo-sub {
    font-size: 1rem;
    color: var(--text-light);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* 主横幅 */
.hero {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 40px 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.tagline {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 15px;
    opacity: 0.95;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.85;
    margin-bottom: 30px;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 25px;
    border-radius: 50px;
    font-size: 0.95rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 120px;
}

.hero-wave path {
    fill: var(--white);
}

/* 核心价值观 */
.values {
    padding: 60px 0;
    background: var(--white);
}

.values .container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.value-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.value-card.highlight {
    background: var(--gradient-primary);
    color: var(--white);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* 章节样式 */
.section {
    padding: 80px 0;
}

.section.alt-bg {
    background: var(--light-bg);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    font-size: 2rem;
    color: var(--secondary-color);
}

.title-number {
    background: var(--gradient-primary);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* 品牌介绍 */
.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 50px;
}

.intro-text strong {
    color: var(--primary-color);
}

.product-grid {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
    text-align: center;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.product-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--border-radius);
    background: var(--light-bg);
    transition: var(--transition);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.product-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.product-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.product-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.ecosystem {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.eco-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    margin-right: 15px;
}

.eco-text {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 智慧赛道 */
.cert-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--white);
    padding: 25px 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.cert-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.cert-icon {
    font-size: 2.5rem;
}

.cert-badge span:last-child {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.5;
}

.track-info h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.module-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.module-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.module-icon {
    font-size: 1.8rem;
}

.module-header h4 {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.module-card ul {
    list-style: none;
    padding: 0;
}

.module-card li {
    padding: 8px 0;
    color: var(--text-light);
    font-size: 0.95rem;
    border-bottom: 1px dashed #eee;
}

.module-card li:last-child {
    border-bottom: none;
}

.module-slogan {
    margin-top: 15px;
    font-style: italic;
    color: var(--primary-color);
    font-weight: 500;
    text-align: center;
}

/* 赛事平台 */
.venue-info {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.venue-info strong {
    color: var(--primary-color);
}

.events-content {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.ip-events h3,
.event-system h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
    text-align: center;
}

.event-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.event-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.event-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.event-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.event-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.event-system {
    margin-bottom: 30px;
}

.system-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.flow-num {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.flow-text {
    font-size: 1rem;
    color: var(--secondary-color);
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.cooperation {
    text-align: center;
    padding: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
}

/* 职业车队 */
.team-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.team-intro {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.uci-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--white);
    padding: 25px 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.uci-logo {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-color);
    background: var(--light-bg);
    padding: 10px 15px;
    border-radius: 8px;
}

.uci-text {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.5;
}

.concept {
    text-align: center;
}

.concept h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.concept-formula {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
}

.team-details {
    display: grid;
    gap: 30px;
}

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

.detail-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.open-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

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

.open-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.open-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.open-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.roster {
    margin-bottom: 20px;
}

.roster-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    flex-wrap: wrap;
    gap: 10px;
}

.roster-label {
    font-weight: 600;
    color: var(--secondary-color);
}

.roster-value {
    color: var(--text-light);
}

.management h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.management ul {
    list-style: none;
}

.management li {
    padding: 10px 0;
    color: var(--text-light);
    border-bottom: 1px dashed #eee;
}

.management li:last-child {
    border-bottom: none;
}

.season-plan .season-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 30px;
}

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

.stat-value {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
}

.season-events h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.event-tag {
    background: var(--light-bg);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: var(--transition);
}

.event-tag:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    text-align: left;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-brand p {
    font-size: 1rem;
    opacity: 0.7;
    margin-top: 5px;
}

.footer-info {
    text-align: right;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-info p {
    margin: 5px 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    
    .values .container {
        flex-direction: column;
        align-items: center;
    }
    
    .value-card {
        width: 100%;
    }
    
    .cert-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .team-intro {
        flex-direction: column;
        align-items: center;
    }
    
    .system-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-brand,
    .footer-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .products {
        grid-template-columns: 1fr;
    }
    
    .modules {
        grid-template-columns: 1fr;
    }
    
    .event-cards {
        grid-template-columns: 1fr;
    }
    
    .season-stats {
        flex-direction: column;
        gap: 30px;
    }
}