/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4A6EE0;
    --primary-dark: #3A5BC7;
    --primary-light: #E8EDFF;
    --secondary-color: #6C757D;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --light-color: #F8F9FA;
    --dark-color: #212529;
    --gray-color: #E9ECEF;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #FFFFFF;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* 按钮样式 */
.btn-primary, .btn-secondary, .btn-download, .btn-text {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
}

.btn-download {
    background-color: var(--success-color);
    color: white;
    display: block;
    width: 100%;
    padding: 14px;
    margin-top: 20px;
    font-size: 1.1rem;
}

.btn-download:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-text {
    background: none;
    color: var(--dark-color);
    padding: 8px 16px;
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* 顶部公告栏 */
.announcement-bar {
    background: linear-gradient(90deg, #FF6B6B, #4A6EE0);
    color: white;
    padding: 10px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* 主头部 */
.main-header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.brand {
    display: flex;
    flex-direction: column;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.brand-tagline {
    font-size: 0.8rem;
    color: var(--secondary-color);
    margin-top: 2px;
}

.primary-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.primary-nav a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

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

.primary-nav a.active:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    position: relative;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    background-color: var(--light-color);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 10px 0;
    min-width: 120px;
    display: none;
}

.language-selector:hover .language-dropdown {
    display: block;
}

.language-dropdown li {
    list-style: none;
    padding: 8px 15px;
}

.language-dropdown li:hover {
    background-color: var(--light-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark-color);
    border-radius: 3px;
}

/* 移动导航 */
.mobile-nav {
    display: none;
    background-color: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav li {
    margin-bottom: 15px;
}

.mobile-nav a {
    display: block;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    color: var(--dark-color);
}

.mobile-nav a:hover {
    background-color: var(--light-color);
}

/* 英雄区域 */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F5F7FF 0%, #E3E9FF 100%);
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.hero-features {
    list-style: none;
    margin-bottom: 30px;
}

.hero-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.hero-features strong {
    margin-right: 10px;
    min-width: 100px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.compatibility-badges {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.badge {
    background-color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
}

.floating-elements {
    position: absolute;
    top: 20px;
    right: 20px;
}

.floating-element {
    background-color: white;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 10px;
    text-align: center;
    min-width: 100px;
}

.floating-element span {
    display: block;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.floating-element strong {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* 功能区域 */
.why-choose {
    padding: 80px 0;
    background-color: white;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-link {
    display: inline-block;
    margin-top: 15px;
    font-weight: 600;
}

/* 服务器区域 */
.servers-section {
    padding: 80px 0;
    background-color: #F8F9FA;
}

.server-map {
    margin-top: 40px;
}

.map-container {
    position: relative;
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.map-container img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.server-locations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.location-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
}

.location-dot:after {
    content: attr(data-location);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
}

.location-dot:hover:after {
    opacity: 1;
}

.location-dot.us { top: 30%; left: 25%; }
.location-dot.jp { top: 35%; left: 75%; }
.location-dot.sg { top: 55%; left: 70%; }
.location-dot.de { top: 25%; left: 50%; }
.location-dot.uk { top: 20%; left: 45%; }
.location-dot.hk { top: 40%; left: 68%; }
.location-dot.kr { top: 35%; left: 72%; }
.location-dot.au { top: 75%; left: 78%; }

.popular-servers {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.server-list {
    margin: 20px 0;
}

.server-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--gray-color);
    gap: 15px;
}

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

.server-flag {
    font-size: 1.5rem;
}

.server-name {
    flex: 1;
    font-weight: 600;
}

.server-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.server-status.active {
    background-color: #D4EDDA;
    color: #155724;
}

.server-load {
    font-size: 0.9rem;
}

.server-load.low {
    color: var(--success-color);
}

.server-load.medium {
    color: var(--warning-color);
}

.btn-connect {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.view-all-servers {
    display: inline-block;
    margin-top: 15px;
    font-weight: 600;
}

/* 下载区域 */
.download-section {
    padding: 80px 0;
    background-color: white;
}

.download-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

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

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

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

.version-info {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 10px 0;
}

.additional-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
    font-size: 0.9rem;
}

.installation-guide {
    background-color: #F8F9FA;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-top: 40px;
}

.installation-guide ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

/* 价格区域 */
.pricing-section {
    padding: 80px 0;
    background-color: #F8F9FA;
}

.pricing-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.pricing-tab {
    padding: 12px 24px;
    background-color: white;
    border: 1px solid var(--gray-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.pricing-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.badge-save {
    background-color: var(--success-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-left: 5px;
}

.pricing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.plan-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    position: relative;
    transition: var(--transition);
}

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

.plan-card.popular {
    border: 2px solid var(--primary-color);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-color);
}

.plan-price {
    margin: 15px 0;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.plan-savings {
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-color);
}

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

.payment-methods {
    text-align: center;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.payment-icons span {
    background-color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.guarantee {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* 常见问题 */
.faq-section {
    padding: 80px 0;
    background-color: white;
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    margin: 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    border-bottom: 1px solid var(--gray-color);
}

.faq-question:after {
    content: "+";
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-item.active .faq-question:after {
    content: "-";
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

/* 底部CTA */
.bottom-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: white;
}

.bottom-cta h2, .bottom-cta p {
    color: white;
}

.bottom-cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-brand p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    opacity: 0.8;
}

.social-links a:hover {
    opacity: 1;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.footer-column h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.status-indicator {
    color: var(--success-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.3rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text, .hero-image {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .primary-nav, .user-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-cta, .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .pricing-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-tab {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .features-grid, .download-platforms, .pricing-plans {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}