/* 全局重置 + 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background-color: #111;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 通用容器 */
.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 中国红主色调 */
:root {
    --china-red: #c81018;
    --dark-red: #8a080e;
    --light-red: #e63946;
    --mech-gray: #222;
    --mech-dark: #0a0a0a;
}

/* 机械风顶部固定导航 */
.mech-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--mech-dark);
    border-bottom: 3px solid var(--china-red);
    z-index: 999;
    box-shadow: 0 0 15px rgba(200,16,24,0.5);
}

.mech-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    color: var(--china-red);
    font-size: 24px;
    text-shadow: 0 0 8px var(--light-red);
}

.navbar a {
    color: #fff;
    text-decoration: none;
    margin-left: 25px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
}

.navbar a:hover, .navbar a.active {
    color: var(--china-red);
    text-shadow: 0 0 5px var(--light-red);
}

/* 轮播banner */
.banner {
    margin-top: 70px;
    height: 500px;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.8)), url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAMRAAAAAEL0AAAAA1BMVEX///+nxBvIAAAAAXRSTlMAQObYZgAAADFJREFUOI1jYBgFOwEDGAAAAAD//wNBhQAAAAASUVORK5CYII=');
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    border-bottom: 2px solid var(--china-red);
}

.banner-content h2 {
    font-size: 42px;
    color: var(--china-red);
    text-shadow: 0 0 10px var(--light-red);
    margin-bottom: 15px;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #eee;
}

.btn-red {
    display: inline-block;
    padding: 12px 35px;
    background-color: var(--china-red);
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    border-radius: 3px;
    border: 2px solid var(--light-red);
    transition: all 0.3s;
}

.btn-red:hover {
    background-color: var(--dark-red);
    transform: scale(1.05);
}

.mech-line {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--china-red), transparent);
}

/* 通用板块样式 */
.section {
    padding: 60px 0;
    background-color: var(--mech-gray);
}

.bg-dark {
    background-color: var(--mech-dark);
}

.bg-red {
    background-color: var(--dark-red);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--china-red);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title p {
    color: #ccc;
    font-size: 16px;
}

.section-title.white h2, .section-title.white p {
    color: #fff;
}

/* 职业介绍网格 */
.career-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.career-card {
    background-color: var(--mech-dark);
    padding: 30px 20px;
    border: 2px solid #333;
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s;
}

.career-card:hover {
    border-color: var(--china-red);
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(200,16,24,0.3);
}

.card-icon {
    font-size: 40px;
    color: var(--china-red);
    margin-bottom: 15px;
}

.career-card h3 {
    color: var(--china-red);
    margin-bottom: 10px;
    font-size: 20px;
}

.career-card p {
    color: #ccc;
    font-size: 14px;
}

/* 副本攻略列表 */
.dungeon-list {
    max-width: 900px;
    margin: 0 auto;
}

.dungeon-item {
    background-color: var(--mech-gray);
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--china-red);
    border-radius: 3px;
}

.dungeon-item h3 {
    color: var(--china-red);
    margin-bottom: 8px;
    font-size: 18px;
}

.dungeon-item p {
    color: #ddd;
    font-size: 14px;
}

/* 游戏功能网格 */
.func-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.func-card {
    background-color: var(--mech-dark);
    padding: 25px;
    border: 1px solid #444;
    border-radius: 5px;
    transition: all 0.3s;
}

.func-card:hover {
    border-color: var(--china-red);
    background-color: #181818;
}

.func-card h3 {
    color: var(--china-red);
    margin-bottom: 10px;
    font-size: 18px;
}

.func-card p {
    color: #ccc;
    font-size: 14px;
}

/* 开区资讯列表 */
.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    background-color: rgba(0,0,0,0.3);
    padding: 15px 20px;
    margin-bottom: 12px;
    border-radius: 3px;
    display: flex;
    align-items: center;
}

.news-item span {
    color: #ffd700;
    font-weight: bold;
    margin-right: 10px;
    white-space: nowrap;
}

.news-item p {
    color: #fff;
    font-size: 15px;
}

/* 页脚 */
.footer {
    background-color: var(--mech-dark);
    padding: 40px 0;
    border-top: 3px solid var(--china-red);
    text-align: center;
}

.footer-content h3 {
    color: var(--china-red);
    margin-bottom: 15px;
}

.footer-content p {
    color: #999;
    margin-bottom: 10px;
    font-size: 14px;
}

.copyright {
    margin-top: 20px;
    color: #666;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .mech-header .container {
        flex-direction: column;
        height: auto;
        padding: 10px 0;
    }
    .navbar {
        margin-top: 10px;
    }
    .navbar a {
        margin: 0 10px;
    }
    .banner {
        height: 400px;
    }
    .banner-content h2 {
        font-size: 30px;
    }
}