/* 修仙主题 - 仙气飘飘的样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 天空云海配色 */
    --primary-color: #2c3e50;
    --secondary-color: #87ceeb;
    --accent-color: #4fc3f7;
    --sky-blue: #87ceeb;
    --cloud-blue: #b3e5fc;
    --light-blue: #e1f5fe;
    --deep-blue: #4fc3f7;
    --dark-color: #1a237e;
    --light-color: #f5f5f5;
    --mist-white: #ffffff;
    --cloud-gray: #e1f5fe;
    --text-light: #ffffff;
    --text-dark: #263238;
    --gradient-primary: linear-gradient(135deg, #87ceeb 0%, #4fc3f7 50%, #29b6f6 100%);
    --gradient-secondary: linear-gradient(135deg, #b3e5fc 0%, #81d4fa 100%);
    --gradient-hero: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 30%, #90caf9 70%, #64b5f6 100%);
    --gradient-cloud: linear-gradient(135deg, #ffffff 0%, #f5f5f5 50%, #e3f2fd 100%);
    --shadow: 0 10px 30px rgba(79, 195, 247, 0.2);
    --shadow-hover: 0 15px 40px rgba(79, 195, 247, 0.3);
    --mist-light: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #e1f5fe 100%);
    --immortal-gold: linear-gradient(135deg, #fff9c4 0%, #fff59d 50%, #ffeb3b 100%);
}

body {
    font-family: 'Noto Sans SC', 'STKaiti', 'KaiTi', '楷体', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: linear-gradient(to bottom, #e3f2fd, #bbdefb, #90caf9);
    min-height: 100vh;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(135, 206, 235, 0.9) 0%, rgba(79, 195, 247, 0.9) 100%);
    backdrop-filter: blur(15px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 20px rgba(79, 195, 247, 0.2);
}

.navbar.scrolled {
    background: linear-gradient(135deg, rgba(135, 206, 235, 0.95) 0%, rgba(41, 182, 246, 0.95) 100%);
    box-shadow: 0 5px 30px rgba(79, 195, 247, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-text {
    font-size: 32px;
    font-weight: 700;
    background: var(--immortal-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(243, 156, 18, 0.5);
    font-family: 'STKaiti', 'KaiTi', '楷体', serif;
    letter-spacing: 3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    background: linear-gradient(90deg, #d4af37 0%, #c9b037 100%);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    /* 云海天空背景效果 */
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(179, 229, 252, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(225, 245, 254, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 60% 70%, rgba(135, 206, 235, 0.2) 0%, transparent 40%),
        linear-gradient(135deg, #e3f2fd 0%, #bbdefb 30%, #90caf9 70%, #64b5f6 100%);
}

/* 添加云朵装饰 */
.hero::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 300px;
    height: 100px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 100px;
    filter: blur(20px);
    animation: cloudFloat 30s infinite linear;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: -5%;
    width: 400px;
    height: 120px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    filter: blur(25px);
    animation: cloudFloat 40s infinite linear reverse;
}

.hero-content {
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 68px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 30%, #f39c12 70%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'STKaiti', 'KaiTi', '楷体', serif;
    letter-spacing: 8px;
    animation: glow 3s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.btn-primary, .btn-secondary {
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: 0 5px 20px rgba(79, 195, 247, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 30px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: left 0.6s;
}

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

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.6);
    background: linear-gradient(135deg, #64b5f6 0%, #42a5f5 50%, #2196f3 100%);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    color: var(--text-dark);
    box-shadow: 0 5px 20px rgba(135, 206, 235, 0.5);
    border-color: rgba(135, 206, 235, 0.8);
    transform: translateY(-3px);
}

/* 粒子动画 */
.hero-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 80px;
    height: 30px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.8) 0%, rgba(179, 229, 252, 0.4) 50%, transparent 100%);
    border-radius: 50%;
    animation: cloudFloat 30s infinite linear;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
    filter: blur(2px);
    opacity: 0.7;
}

.particle:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; width: 100px; height: 35px; }
.particle:nth-child(2) { top: 30%; left: 70%; animation-delay: 5s; width: 120px; height: 40px; }
.particle:nth-child(3) { top: 60%; left: 20%; animation-delay: 10s; width: 90px; height: 30px; }
.particle:nth-child(4) { top: 40%; left: 60%; animation-delay: 15s; width: 110px; height: 35px; }
.particle:nth-child(5) { top: 70%; left: 85%; animation-delay: 2s; width: 95px; height: 32px; }

.particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { top: 60%; left: 80%; animation-delay: 5s; }
.particle:nth-child(3) { top: 80%; left: 30%; animation-delay: 10s; }
.particle:nth-child(4) { top: 40%; left: 60%; animation-delay: 15s; }
.particle:nth-child(5) { top: 10%; left: 90%; animation-delay: 2s; }

@keyframes cloudFloat {
    0% {
        transform: translateX(-200px) translateY(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    50% {
        transform: translateX(calc(50vw - 100px)) translateY(-30px) scale(1.1);
        opacity: 0.9;
    }
    90% {
        opacity: 0.7;
        transform: translateX(calc(100vw + 200px)) translateY(20px) scale(0.9);
    }
    100% {
        transform: translateX(calc(100vw + 400px)) translateY(0) scale(1);
        opacity: 0;
    }
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.6),
                     0 0 40px rgba(79, 195, 247, 0.4),
                     0 0 60px rgba(135, 206, 235, 0.3);
    }
    to {
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.9),
                     0 0 50px rgba(79, 195, 247, 0.6),
                     0 0 70px rgba(135, 206, 235, 0.5);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 游戏介绍 */
.game-intro {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 30%, #e3f2fd 100%);
    position: relative;
}

.game-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(135, 206, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(179, 229, 252, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.game-intro h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.game-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.game-text h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 10px;
}

.game-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--metallic-light);
    border-radius: 2px;
}

.game-text p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #636e72;
}

.game-highlights {
    list-style: none;
    margin-top: 30px;
}

.game-highlights li {
    font-size: 18px;
    margin-bottom: 15px;
    padding: 15px;
    background: var(--mist-light);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(79, 195, 247, 0.15);
    border-left: 4px solid var(--deep-blue);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.game-highlights li:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.25);
    background: linear-gradient(135deg, #ffffff 0%, #e1f5fe 100%);
}

.game-card {
    background: var(--mist-light);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #e1f5fe 100%);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.2);
    transition: all 0.4s ease;
    border: 2px solid rgba(135, 206, 235, 0.3);
    position: relative;
}

.game-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(79, 195, 247, 0.3);
    border-color: var(--deep-blue);
}

.card-image {
    height: 300px;
    background: linear-gradient(135deg, #87ceeb 0%, #4fc3f7 50%, #29b6f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
}

.card-image::after {
    content: '☯';
    position: absolute;
    font-size: 200px;
    opacity: 0.2;
    animation: rotate 20s linear infinite;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.card-content {
    padding: 30px;
}

.card-content h4 {
    font-size: 24px;
    margin-bottom: 10px;
}

.card-content p {
    color: #636e72;
}

/* 游戏特色 */
.features {
    padding: 100px 0;
    background: linear-gradient(135deg, #e1f5fe 0%, #b3e5fc 50%, #81d4fa 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 30%, rgba(135, 206, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(179, 229, 252, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.features h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--text-dark);
}

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

.feature-item {
    text-align: center;
    padding: 45px 25px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 50%, #e1f5fe 100%);
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.15);
    transition: all 0.4s ease;
    border: 2px solid rgba(135, 206, 235, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-item::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(155, 89, 182, 0.05) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.feature-item:hover::before {
    transform: scale(1);
}

.feature-item:hover::after {
    transform: scale(1);
}

.feature-item:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 0 20px 40px rgba(79, 195, 247, 0.25);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #e1f5fe 100%);
    border-color: var(--deep-blue);
}

.feature-icon {
    font-size: 70px;
    margin-bottom: 25px;
    display: inline-block;
    animation: floatIcon 3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(79, 195, 247, 0.3));
}

.feature-item:nth-child(2) .feature-icon { animation-delay: 0.5s; }
.feature-item:nth-child(3) .feature-icon { animation-delay: 1s; }
.feature-item:nth-child(4) .feature-icon { animation-delay: 1.5s; }

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

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-item p {
    color: #636e72;
    line-height: 1.6;
}

/* 新闻中心 */
.news {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e1f5fe 50%, #b3e5fc 100%);
    position: relative;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 50% 20%, rgba(135, 206, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(179, 229, 252, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.news h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 50%, #f0f9ff 100%);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.15);
    transition: all 0.4s ease;
    cursor: pointer;
    border-left: 5px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
    opacity: 0.1;
}

.news-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(79, 195, 247, 0.25);
    border-left-color: var(--deep-blue);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #e1f5fe 100%);
}

.news-date {
    color: var(--deep-blue);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 16px;
    letter-spacing: 1px;
    display: inline-block;
    padding: 5px 15px;
    background: rgba(79, 195, 247, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(79, 195, 247, 0.2);
}

.news-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.news-item p {
    color: #636e72;
    line-height: 1.6;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--light-color);
    margin: 50px auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: var(--gradient-primary);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent-color);
}

.modal-header h2 {
    color: var(--text-light);
    margin: 0;
    font-size: 1.8rem;
}

.close-modal {
    color: var(--text-light);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.close-modal:hover {
    background: var(--accent-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: 0;
    max-height: calc(85vh - 80px);
    overflow-y: auto;
}

.doc-content {
    color: var(--text-dark);
    line-height: 1.8;
    padding: 20px;
}

.doc-content h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 0 0 20px;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

.doc-content h4 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin: 25px 0 15px;
    padding-left: 15px;
    border-left: 4px solid var(--accent-color);
}

.doc-content p {
    margin-bottom: 15px;
    text-align: justify;
}

.doc-content ul {
    margin: 15px 0;
    padding-left: 30px;
}

.doc-content li {
    margin-bottom: 8px;
    position: relative;
}

.doc-content strong {
    color: var(--primary-color);
}

/* 导航栏协议链接样式 */
.doc-link {
    color: #ffffff !important;
    font-weight: 700 !important;
    position: relative;
    background: rgba(255, 255, 255, 0.2) !important;
    padding: 5px 12px !important;
    border-radius: 15px !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    backdrop-filter: blur(5px) !important;
}

.doc-link::after {
    background: #ffffff !important;
}

/* 滚动条美化 */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 30%, #e3f2fd 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 30%, rgba(135, 206, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(179, 229, 252, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 50%, #e1f5fe 100%);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.15);
    border: 2px solid rgba(135, 206, 235, 0.2);
}

.contact-item {
    margin-bottom: 30px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
    position: relative;
    padding-left: 20px;
}

.contact-item h4::before {
    content: '☁';
    position: absolute;
    left: -5px;
    color: var(--deep-blue);
    font-size: 16px;
    top: 50%;
    transform: translateY(-50%);
}

.contact-item p {
    color: #636e72;
    font-size: 16px;
}

.contact-form {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 50%, #e1f5fe 100%);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.15);
    border: 2px solid rgba(135, 206, 235, 0.2);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--deep-blue);
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.2);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
    color: var(--text-light);
    padding: 60px 0 30px;
    border-top: 3px solid var(--sky-blue);
}

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

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--sky-blue);
}

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

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

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

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

.social-link {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--sky-blue);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(135, 206, 235, 0.4);
}

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

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 10px;
}

.footer-bottom a {
    color: var(--sky-blue);
    text-decoration: none;
}

/* 金属质感的滚动条 */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: var(--metallic-light);
    background: linear-gradient(135deg, #d4af37 0%, #c9b037 100%);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #e8e8e8 0%, #d4af37 100%);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .game-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .game-text h3,
    .features h2,
    .news h2,
    .legal h2,
    .contact h2 {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}