/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #0f0f13;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

/* 按钮样式 */
.btn-primary {
    background-color: #ffcc00;
    color: #000;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    border: 2px solid #ffcc00;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #e6b800;
    border-color: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 204, 0, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    border: 2px solid #fff;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-2px);
}

.large {
    padding: 15px 40px;
    font-size: 1.2rem;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to bottom, rgba(15, 15, 19, 0.9) 0%, rgba(15, 15, 19, 0) 100%);
    z-index: 1000;
    padding: 20px 0;
    transition: 0.3s;
}

.navbar.scrolled {
    background-color: rgba(15, 15, 19, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    padding: 15px 0;
}

.navbar .container {
    max-width: 100%;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ffcc00;
    transition: width 0.3s;
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: #ffcc00;
}

.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #fff;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background-color: #0f0f13;
    z-index: 2000;
    transition: 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #222;
}

.mobile-menu-header img {
    height: 40px;
}

.close-mobile-menu {
    font-size: 2rem;
    cursor: pointer;
    color: #fff;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 40px;
}

.mobile-nav-links a {
    font-size: 1.5rem;
    font-weight: bold;
}

/* 英雄区域 (Hero) */
.hero {
    height: 100vh;
    background-image: url('assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

/* 渐变遮罩 */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(15,15,19,0.2) 0%, 
        rgba(15,15,19,0.4) 50%, 
        rgba(15,15,19,0.9) 90%, 
        rgba(15,15,19,1) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
    animation: fadeIn 1s ease-out;
    margin-top: 20vh; /* 将内容稍微下移，避开人物主体 */
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 10px;
    line-height: 1.1;
    text-shadow: 0 5px 15px rgba(0,0,0,0.8);
    font-weight: 800;
}

.slogan-sub {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #ffcc00;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #ddd;
    text-shadow: 0 1px 5px rgba(0,0,0,0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: #ffcc00;
    text-shadow: 0 0 20px rgba(255, 204, 0, 0.5);
}

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

/* 通用Section样式 */
.section {
    padding: 100px 0;
    position: relative;
    background-color: #0f0f13;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
    color: #fff;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #ffcc00;
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 特色区域 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(145deg, #1a1a20 0%, #15151a 100%);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #333;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 204, 0, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: 0.4s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #ffcc00;
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.feature-card:hover::before {
    opacity: 1;
}

.icon-box {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 204, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: 0.4s;
}

.feature-card:hover .icon-box {
    background-color: #ffcc00;
    transform: rotateY(180deg);
}

.feature-card i {
    font-size: 2.5rem;
    color: #ffcc00;
    transition: 0.4s;
}

.feature-card:hover i {
    color: #000;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #fff;
}

.feature-card p {
    color: #aaa;
    font-size: 1rem;
    line-height: 1.7;
}

/* 页脚 */
footer {
    background-color: #0a0a0d;
    padding: 60px 0 30px;
    border-top: 1px solid #222;
    position: relative;
    z-index: 2;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logos {
    display: flex;
    align-items: center;
    gap: 20px;
}

.game-logo {
    height: 50px;
    width: auto;
    opacity: 0.8;
}

.studio-logo {
    height: 50px;
    width: auto;
    opacity: 0.8;
}

.divider {
    color: #555;
    font-size: 1.5rem;
}

.copyright {
    text-align: center;
    color: #444;
    font-size: 0.9rem;
}

/* 弹窗 (Modal) */
.modal {
    display: none; 
    position: fixed; 
    z-index: 3000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.85); 
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a20 0%, #2a2a35 100%);
    margin: auto;
    padding: 40px;
    border: 1px solid #444;
    width: 90%;
    max-width: 450px;
    border-radius: 20px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    text-align: center;
    animation: slideUp 0.3s;
}

.close-modal {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    transition: 0.3s;
}

.close-modal:hover {
    color: #fff;
    transform: rotate(90deg);
}

.modal-header h2 {
    margin-bottom: 10px;
    color: #ffcc00;
    font-size: 1.8rem;
}

.modal-header p {
    margin-bottom: 30px;
    color: #ccc;
    font-size: 0.95rem;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.subscribe-form input {
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #444;
    outline: none;
    background-color: #111;
    color: #fff;
    font-size: 1rem;
    text-align: center;
    transition: 0.3s;
}

.subscribe-form input:focus {
    border-color: #ffcc00;
    box-shadow: 0 0 10px rgba(255, 204, 0, 0.2);
}

.subscribe-form button {
    width: 100%;
    border-radius: 12px;
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* 响应式适配 */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .slogan-sub {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }

    .hero {
        background-position: center bottom; /* 移动端背景可能需要调整 */
        align-items: flex-end;
        padding-bottom: 100px;
    }
    
    .hero-content {
        margin-top: 0;
        padding: 0 20px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
        margin-bottom: 10px;
    }
    
    .slogan-sub {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .description {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
    }
    
    .footer-logos {
        flex-direction: column;
        gap: 15px;
    }
    
    .divider {
        display: none;
    }

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