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

body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #0c0c0c;
    color: #e0e0e0;
    /* 新增这一行，路径对应上面的目录结构 */
    background-image: url('/images/legend-bg.jpg'); 
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    line-height: 1.6;
}

/* 布局基础类 */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container { max-width: 540px; }
}
@media (min-width: 768px) {
    .container { max-width: 720px; }
}
@media (min-width: 992px) {
    .container { max-width: 960px; }
}
@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col-lg-3, .col-lg-9, .col-md-4, .col-md-6, .col-md-12 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

@media (min-width: 768px) {
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
}
@media (min-width: 992px) {
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
}

/* 间距类 */
.py-3 { padding: 1rem 0; }
.py-5 { padding: 3rem 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.me-2 { margin-right: 0.5rem; }

/* 头部导航 */
.header-nav {
    background: rgba(15, 15, 15, 0.95);
    border-bottom: 2px solid #c8a062;
}

/* 导航栏 */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    color: #ffd700;
    font-size: 1.5rem;
    text-decoration: none;
}

.navbar-brand:hover {
    color: #ffd700;
}

.navbar-nav {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 1rem;
}

.nav-link {
    color: #e0e0e0;
    text-decoration: none;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #ffd700;
}

.navbar-toggler {
    background: transparent;
    border: 1px solid #ffd700;
    padding: 0.3rem 0.6rem;
    display: none;
}

.navbar-toggler-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: inline-block;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 215, 0, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991px) {
    .navbar-toggler { display: block; }
    .navbar-collapse { display: none; }
    .navbar-nav { flex-direction: column; }
}

/* 标题样式 */
.legend-title {
    color: #ffd700;
    text-shadow: 0 0 10px #c8a062;
    font-weight: bold;
    border-bottom: 1px solid #c8a062;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* 内容卡片 */
.server-card {
    background: rgba(20, 20, 20, 0.85);
    border: 1px solid #c8a062;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.server-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px #c8a062;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 20px;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.legend-btn {
    background-color: #c8a062;
    color: #000;
}

.legend-btn:hover {
    background-color: #ffd700;
    color: #000;
}

.btn-outline-warning {
    background: transparent;
    border: 1px solid #ffd700;
    color: #ffd700;
}

.btn-outline-warning:hover {
    background: #ffd700;
    color: #000;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.875rem;
}

.w-100 { width: 100%; }

/* 颜色与文本 */
.text-warning { color: #ffd700 !important; }
.text-white { color: #fff !important; }
.text-muted { color: #6c757d !important; }
.text-decoration-none { text-decoration: none; }
.text-center { text-align: center; }
.text-md-end { text-align: right; }

.lead { font-size: 1.1rem; }
.small { font-size: 0.875rem; }

/* 标签 */
.legend-tag {
    background-color: #8b0000;
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-right: 5px;
}

/* 徽章 */
.badge {
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.bg-danger { background-color: #dc3545; }
.bg-warning { background-color: #ffc107; color: #000; }

/* 目录导航 */
.catalog-nav {
    background: rgba(20, 20, 20, 0.85);
    border: 1px solid #c8a062;
    border-radius: 8px;
    padding: 15px;
    position: sticky;
    top: 20px;
}

.list-unstyled {
    list-style: none;
    padding-left: 0;
}

/* 背景与边框 */
.bg-dark { background-color: #212529; }
.bg-opacity-50 { opacity: 0.5; }
.bg-opacity-75 { opacity: 0.75; }
.border { border: 1px solid; }
.border-warning { border-color: #ffd700; }
.rounded { border-radius: 0.375rem; }

/* 弹性布局 */
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table-dark {
    background: #212529;
    color: #fff;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(255,255,255,0.05);
}

.table-hover tbody tr:hover {
    background: rgba(255,215,0,0.1);
}

.table th, .table td {
    padding: 0.75rem;
    vertical-align: middle;
}

.table-responsive {
    overflow-x: auto;
}

/* 警告框 */
.alert {
    padding: 1rem;
    border-radius: 4px;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
}

/* 页脚 */
footer {
    background: rgba(15, 15, 15, 0.95);
    border-top: 2px solid #c8a062;
    padding: 20px 0;
    margin-top: 50px;
}

/* 搜索框 */
.form-control {
    padding: 8px 12px;
    border: 1px solid #c8a062;
    background: #1a1a1a;
    color: #fff;
    border-radius: 4px;
}

.form-control:focus {
    outline: none;
    box-shadow: 0 0 5px #ffd700;
}

/* 导航栏布局修复 - 搜索框完美对齐 */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-wrap: nowrap;
    gap: 20px;
}

.navbar-left {
    flex-shrink: 0;
}

.navbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 22px;
}

.nav-list li {
    margin: 0;
}

.nav-list a {
    color: #e0e0e0;
    text-decoration: none;
    white-space: nowrap;
}

.nav-list a.active,
.nav-list a:hover {
    color: #ffd700;
}

.navbar-right {
    flex-shrink: 0;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-input {
    width: 220px;
    padding: 6px 12px;
    background: #1a1a1a;
    border: 1px solid #c8a062;
    color: #fff;
    border-radius: 4px;
    outline: none;
}

.search-input:focus {
    box-shadow: 0 0 5px #ffd700;
}

/* 手机端自适应 */
@media (max-width: 991px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
    }
}