/* ===== 全局重置与基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff6b35;
    --primary-dark: #e55a2b;
    --primary-light: #ff8c5a;
    --secondary: #4ecdc4;
    --accent: #45b7d1;
    --dark: #0a0a1a;
    --dark-2: #12122a;
    --dark-3: #1a1a3e;
    --text: #e0e0e0;
    --text-light: #a0a0b0;
    --text-dark: #666;
    --gradient-1: linear-gradient(135deg, #ff6b35, #ff8c5a);
    --gradient-2: linear-gradient(135deg, #4ecdc4, #45b7d1);
    --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0a0a1a 100%);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

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

.section {
    padding: 100px 0;
    position: relative;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-2);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
}

/* ===== Hero 区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(69, 183, 209, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    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='0.03'%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: 0.5;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 20px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 53, 0.15);
    border: 1px solid rgba(255, 107, 53, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease;
}

.hero-badge i {
    font-size: 0.9rem;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s both;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-ip {
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.ip-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.ip-box {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 24px;
    gap: 15px;
    transition: var(--transition);
}

.ip-box:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
}

.ip-text {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 1px;
    font-family: 'Courier New', monospace;
}

.ip-copy {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    padding: 5px;
}

.ip-copy:hover {
    color: var(--primary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease 1s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.2rem;
}

/* ===== 通用 Section 头部 ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.2;
}

.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 关于我们 ===== */
.about {
    background: var(--dark-2);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.about-card {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.about-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: var(--primary);
    transition: var(--transition);
}

.about-card:hover .about-icon {
    background: var(--gradient-1);
    color: white;
    transform: scale(1.1);
}

.about-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.about-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== 特色玩法 ===== */
.features {
    background: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-card {
    display: flex;
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.feature-image {
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary);
    background: rgba(255, 107, 53, 0.05);
}

.feature-content {
    padding: 30px;
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-content > p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-list li i {
    color: var(--secondary);
    font-size: 0.8rem;
}

/* ===== 服务器规则 ===== */
.rules {
    background: var(--dark-2);
}

.rules-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.rules-category {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 35px;
    transition: var(--transition);
}

.rules-category:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.rules-category h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.rules-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

.rule-num {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.85rem;
    min-width: 25px;
}

/* ===== 管理团队 ===== */
.staff {
    background: var(--dark);
}

.staff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.staff-card {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.staff-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.staff-avatar {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

.staff-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--dark-3);
    transition: var(--transition);
}

.staff-card:hover .staff-avatar img {
    border-color: var(--primary);
}

.staff-status {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 14px;
    height: 14px;
    background: #666;
    border: 3px solid var(--dark-3);
    border-radius: 50%;
}

.staff-status.online {
    background: #4ecdc4;
    box-shadow: 0 0 10px rgba(78, 205, 196, 0.5);
}

.staff-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.staff-role {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.staff-role.owner {
    background: rgba(255, 107, 53, 0.2);
    color: var(--primary);
}

.staff-role.admin {
    background: rgba(78, 205, 196, 0.2);
    color: var(--secondary);
}

.staff-role.builder {
    background: rgba(69, 183, 209, 0.2);
    color: var(--accent);
}

.staff-role.mod {
    background: rgba(150, 206, 180, 0.2);
    color: #96ceb4;
}

.staff-role.helper {
    background: rgba(255, 238, 173, 0.2);
    color: #ffeead;
}

.staff-role.dev {
    background: rgba(212, 165, 165, 0.2);
    color: #d4a5a5;
}

.staff-card p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.staff-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.staff-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
}

.staff-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* ===== 加入我们 ===== */
.join {
    background: var(--dark-2);
}

.join-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.join-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.join-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 25px;
    transition: var(--transition);
}

.join-item:hover {
    border-color: var(--primary);
    transform: translateX(10px);
}

.join-item i {
    font-size: 2rem;
    color: var(--primary);
    min-width: 50px;
    text-align: center;
}

.join-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.join-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.join-cta {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 50px;
    text-align: center;
}

.join-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.join-cta > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cta-buttons .btn {
    justify-content: center;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark-3);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin: 15px 0 10px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-light);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 5px;
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .staff-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-3);
        flex-direction: column;
        padding: 80px 30px 30px;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

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

    .nav-toggle {
        display: block;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
    }

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

    .feature-card {
        flex-direction: column;
    }

    .feature-image {
        min-width: 100%;
        padding: 30px;
    }

    .rules-container {
        grid-template-columns: 1fr;
    }

    .staff-grid {
        grid-template-columns: 1fr;
    }

    .join-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .ip-box {
        padding: 10px 16px;
    }

    .ip-text {
        font-size: 1rem;
    }
}