/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --dark-bg: #1a1a1a;
    --darker-bg: #0d0d0d;
    --text-light: #ffffff;
    --text-gray: #cccccc;
    --accent-green: #00ff88;
    --accent-blue: #00b8ff;
    --card-bg: #2a2a2a;
    --hover-bg: #3a3a3a;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    background-color: rgba(13, 13, 13, 0.95);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-green);
}

.logo-icon {
    margin-right: 0.5rem;
    font-size: 2rem;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-green);
    transition: width 0.3s ease;
}

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

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 5px;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a472a 50%, #0d1f2d 100%);
    opacity: 0.9;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(76, 175, 80, 0.03) 50px, rgba(76, 175, 80, 0.03) 51px),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(76, 175, 80, 0.03) 50px, rgba(76, 175, 80, 0.03) 51px);
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

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

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.server-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.info-box {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 200px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.info-box:hover {
    border-color: var(--accent-green);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.info-label {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.info-value {
    color: var(--accent-green);
    font-size: 1.3rem;
    font-weight: bold;
}

.copy-btn {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background-color: var(--accent-green);
    transform: scale(1.05);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-green));
    color: white;
    box-shadow: 0 5px 20px rgba(76, 175, 80, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(76, 175, 80, 0.6);
}

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

.btn-secondary:hover {
    background-color: var(--accent-blue);
    transform: translateY(-3px);
}

/* 区块标题 */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--accent-green);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* 特色功能 */
.features {
    padding: 5rem 0;
    background-color: var(--darker-bg);
}

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

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-green);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--accent-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 模组列表 */
.mods {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.mods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.mod-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.mod-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 184, 255, 0.2);
}

.mod-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1.5rem;
    text-align: center;
}

.mod-header h3 {
    font-size: 1.3rem;
}

.mod-list {
    list-style: none;
    padding: 1.5rem;
}

.mod-list li {
    padding: 0.8rem;
    border-bottom: 1px solid var(--hover-bg);
    color: var(--text-gray);
    transition: all 0.3s ease;
}

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

.mod-list li:hover {
    background-color: var(--hover-bg);
    padding-left: 1.2rem;
    color: var(--text-light);
}

.download-section {
    text-align: center;
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.download-section h3 {
    color: var(--accent-green);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.download-section p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

/* 游玩指南 */
.guide {
    padding: 5rem 0;
    background-color: var(--darker-bg);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.requirements {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
}

.requirements h3 {
    color: var(--accent-green);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.req-item {
    padding: 1.5rem;
    background-color: var(--hover-bg);
    border-radius: 10px;
}

.req-item strong {
    color: var(--accent-green);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 1rem;
}

.req-item ul {
    list-style: none;
    padding-left: 0;
}

.req-item li {
    padding: 0.5rem 0;
    color: var(--text-gray);
}

.req-item li::before {
    content: '✓ ';
    color: var(--accent-green);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* 联系我们 */
.contact {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 15px 40px rgba(0, 184, 255, 0.2);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--accent-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

/* 页脚 */
.footer {
    background-color: var(--darker-bg);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: var(--text-gray);
    margin: 0.5rem 0;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--darker-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .burger {
        display: block;
    }

    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active .line2 {
        opacity: 0;
    }

    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .server-info {
        flex-direction: column;
        align-items: center;
    }

    .info-box {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .mods-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-green);
}