/* Tailwind CSS CDN */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

/* 游戏字体 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600;700&display=swap');

/* CSS变量 */
:root {
    --primary-blue: #1E5F99;
    --secondary-gold: #FFD23F;
    --accent-orange: #FF6B35;
    --dark-navy: #0A1628;
    --light-blue: #4A90E2;
    --success-green: #27AE60;
    --warning-red: #E74C3C;
    --text-light: #FFFFFF;
    --text-dark: #2C3E50;
    --shadow-glow: 0 0 20px rgba(255, 210, 63, 0.3);
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--secondary-gold);
}

.navigation {
    padding: 1rem 0;
}

.nav-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
}

.game-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--secondary-gold));
}

.logo-text h1 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--secondary-gold);
    text-shadow: 0 0 10px rgba(255, 210, 63, 0.5);
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--light-blue);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-gold);
    background: rgba(255, 210, 63, 0.1);
    box-shadow: var(--shadow-glow);
}

.download-btn {
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    color: var(--text-light);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

/* 主横幅区域 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://t1.g.mi.com/thumbnail/jpeg/w980h90/AppStore/0c2da4a7d94e0a431a80704d316c2190f4f41a7ac') center/cover;
    z-index: -2;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.8) 0%, rgba(30, 95, 153, 0.6) 100%);
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 210, 63, 0.2);
    color: var(--secondary-gold);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid var(--secondary-gold);
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-light), var(--secondary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 210, 63, 0.3);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-gold);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.cta-primary,
.cta-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.cta-primary {
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    color: var(--text-light);
    box-shadow: var(--shadow-glow);
}

.cta-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--light-blue);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.cta-secondary:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: var(--secondary-gold);
    color: var(--secondary-gold);
}

.hero-visual {
    position: relative;
}

.game-preview {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-preview:hover .preview-overlay {
    opacity: 1;
}

.play-button {
    background: var(--secondary-gold);
    border: none;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.play-button:hover {
    transform: scale(1.1);
}

/* 通用区域样式 */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(255, 210, 63, 0.2);
    color: var(--secondary-gold);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid var(--secondary-gold);
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 游戏工具区域 */
.tools-section {
    background: linear-gradient(135deg, rgba(30, 95, 153, 0.1) 0%, rgba(10, 22, 40, 0.3) 100%);
    position: relative;
}

.tools-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://t1.g.mi.com/thumbnail/jpeg/w980h90/AppStore/0c2da4a7d94e0a431a80704d316c2190f4f41a7ac') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.tool-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 2px solid rgba(255, 210, 63, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 210, 63, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.tool-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.tool-card.featured {
    border-color: var(--secondary-gold);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 210, 63, 0.1);
}

.tool-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--shadow-glow);
    border-color: var(--secondary-gold);
}

.tool-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    color: var(--text-light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.tool-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 20px var(--secondary-gold));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.tool-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-gold);
    text-shadow: 0 0 10px rgba(255, 210, 63, 0.3);
}

.tool-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.feature-tag {
    background: rgba(74, 144, 226, 0.2);
    color: var(--light-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
}

.tool-card:hover .feature-tag {
    background: rgba(255, 210, 63, 0.2);
    color: var(--secondary-gold);
    border-color: rgba(255, 210, 63, 0.5);
}

.tool-btn {
    background: linear-gradient(45deg, var(--primary-blue), var(--light-blue));
    color: var(--text-light);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.tool-btn i {
    font-size: 1.1rem;
}

.tool-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.tool-btn:hover::before {
    left: 100%;
}

.tool-btn.primary {
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    box-shadow: var(--shadow-glow);
}

.tool-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.4);
}

.tool-btn.primary:hover {
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.btn-icon {
    font-size: 1.2rem;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
}

/* 关于海岛奇兵区域 */
.about-section {
    background: rgba(0, 0, 0, 0.2);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    color: var(--secondary-gold);
    margin-bottom: 2rem;
    text-shadow: 0 0 20px rgba(255, 210, 63, 0.3);
}

.about-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stats-grid .stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 210, 63, 0.2);
    transition: all 0.3s ease;
}

.stats-grid .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--secondary-gold);
}

.stats-grid .stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-gold);
    margin-bottom: 0.5rem;
}

.stats-grid .stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 210, 63, 0.2);
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    border-color: var(--secondary-gold);
    box-shadow: var(--shadow-glow);
}

.image-placeholder i {
    font-size: 6rem;
    color: var(--secondary-gold);
    filter: drop-shadow(0 0 20px rgba(255, 210, 63, 0.3));
}

/* 玩法特色区域 */
.gameplay-features {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-showcase.reverse {
    direction: rtl;
}

.feature-showcase.reverse > * {
    direction: ltr;
}

.feature-content {
    padding: 2rem;
}

.feature-badge {
    display: inline-block;
    background: var(--accent-orange);
    color: var(--text-light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-content h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--secondary-gold);
}

.feature-content p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.3rem 0;
    color: rgba(255, 255, 255, 0.9);
}

.feature-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 更新区域 */
.updates-section {
    background: rgba(0, 0, 0, 0.2);
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.update-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 210, 63, 0.2);
    transition: all 0.3s ease;
}

.update-card.featured {
    border-color: var(--secondary-gold);
    box-shadow: var(--shadow-glow);
}

.update-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.update-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.update-type {
    background: var(--accent-orange);
    color: var(--text-light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.update-date {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.update-card h3 {
    font-family: 'Orbitron', monospace;
    color: var(--secondary-gold);
    margin-bottom: 1rem;
}

.update-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.update-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.highlight {
    background: rgba(255, 210, 63, 0.2);
    color: var(--secondary-gold);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    font-size: 0.8rem;
}

.update-btn {
    background: linear-gradient(45deg, var(--primary-blue), var(--light-blue));
    color: var(--text-light);
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.update-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* 社区区域 */
.community-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: start;
}

.community-channels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.channel-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid rgba(255, 210, 63, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.channel-card.featured {
    border-color: var(--secondary-gold);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 210, 63, 0.1);
}

.channel-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 210, 63, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.channel-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s ease-in-out;
}

.channel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), var(--shadow-glow);
    border-color: var(--secondary-gold);
}

.channel-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.channel-icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 15px var(--secondary-gold));
    animation: float 3s ease-in-out infinite;
}

.channel-info h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    color: var(--secondary-gold);
    margin-bottom: 0.3rem;
    text-shadow: 0 0 10px rgba(255, 210, 63, 0.3);
}

.channel-id {
    color: var(--light-blue);
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(74, 144, 226, 0.2);
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    border: 1px solid rgba(74, 144, 226, 0.3);
}

.channel-desc {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.channel-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.feature-badge {
    background: rgba(39, 174, 96, 0.2);
    color: var(--success-green);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(39, 174, 96, 0.3);
    transition: all 0.3s ease;
}

.channel-card:hover .feature-badge {
    background: rgba(255, 210, 63, 0.2);
    color: var(--secondary-gold);
    border-color: rgba(255, 210, 63, 0.5);
}

.channel-btn {
    background: linear-gradient(45deg, var(--primary-blue), var(--light-blue));
    color: var(--text-light);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.channel-btn i {
    font-size: 1.1rem;
}

.channel-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.channel-btn:hover::before {
    left: 100%;
}

.channel-card.featured .channel-btn {
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    box-shadow: var(--shadow-glow);
}

.channel-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.4);
}

.channel-card.featured .channel-btn:hover {
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.community-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 210, 63, 0.2);
    transition: all 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--secondary-gold));
}

.stat-value {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-gold);
    margin-bottom: 0.5rem;
}

.stat-name {
    color: rgba(255, 255, 255, 0.7);
}

.community-links h3 {
    font-family: 'Orbitron', monospace;
    color: var(--secondary-gold);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 210, 63, 0.2);
}

.social-link:hover {
    background: rgba(255, 210, 63, 0.1);
    border-color: var(--secondary-gold);
    color: var(--secondary-gold);
}

.social-icon {
    font-size: 1.5rem;
}

/* 新的下载区域 */
.download-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-navy) 100%);
    text-align: center;
}

.download-content h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-gold);
}

.download-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.8);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    min-width: 250px;
}

.download-btn.primary {
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    box-shadow: var(--shadow-glow);
}

.download-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--light-blue);
}

.download-btn:hover {
    transform: translateY(-3px);
}

.download-btn.primary:hover {
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.download-btn.secondary:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: var(--secondary-gold);
}

.btn-icon {
    font-size: 2rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-label {
    font-weight: 700;
    font-size: 1.1rem;
}

.btn-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.system-requirements {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(255, 210, 63, 0.2);
}

.system-requirements h4 {
    font-family: 'Orbitron', monospace;
    color: var(--secondary-gold);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.system-requirements ul {
    list-style: none;
    text-align: left;
}

.system-requirements li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.9);
}

.system-requirements i {
    color: var(--light-blue);
    width: 20px;
}

/* SEO 页脚样式 */
.seo-footer {
    background: linear-gradient(135deg, #0a1929 0%, #1e3a5f 100%);
    color: #ffffff;
    padding: 60px 0 20px;
    margin-top: 80px;
    border-top: 3px solid var(--accent-color);
}

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

.footer-section h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.footer-section h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.footer-section p {
    color: #b0bec5;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.keyword-tag {
    background: rgba(255, 210, 63, 0.1);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 210, 63, 0.3);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #b0bec5;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright p {
    color: #78909c;
    font-size: 0.9rem;
    margin: 5px 0;
}

.disclaimer {
    font-size: 0.8rem !important;
    color: #607d8b !important;
}

.footer-meta {
    color: #78909c;
    font-size: 0.85rem;
}

.footer-meta span {
    margin: 0 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-keywords {
        justify-content: center;
    }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--accent-orange), var(--secondary-gold));
    border: none;
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* 简洁页脚 */
.simple-footer {
    background: var(--dark-navy);
    border-top: 2px solid var(--secondary-gold);
    padding: 2rem 0;
    text-align: center;
}

.simple-footer .footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.simple-footer p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.simple-footer .footer-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.simple-footer .footer-links a {
    color: var(--light-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.simple-footer .footer-links a:hover {
    color: var(--secondary-gold);
}

.simple-footer .footer-links span {
    color: rgba(255, 255, 255, 0.5);
}

/* 页脚 */
.footer {
    background: var(--dark-navy);
    border-top: 2px solid var(--secondary-gold);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo .logo-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px var(--secondary-gold));
}

.footer-logo h4 {
    font-family: 'Orbitron', monospace;
    color: var(--secondary-gold);
    font-size: 1.2rem;
}

.footer-logo span {
    font-size: 0.7rem;
    color: var(--light-blue);
    letter-spacing: 1px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.link-column h5 {
    font-family: 'Orbitron', monospace;
    color: var(--secondary-gold);
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.link-column li {
    margin-bottom: 0.5rem;
}

.link-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-column a:hover {
    color: var(--secondary-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 210, 63, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .feature-showcase {
        grid-template-columns: 1fr;
    }
    
    .community-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-options {
        flex-direction: column;
        align-items: center;
    }
    
    .download-info {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: 3rem 1rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}