/* ==================== 基础重置和变量 ==================== */
:root {
    --primary: #ff6a00;
    --primary-dark: #e65c00;
    --secondary: #ff8c00;
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --border: #e0e0e0;
    --border-light: #f0f0f0;
    --bg: #f5f5f5;
    --bg-white: #fff;
    --bg-gray: #fafafa;
    --link: #0066cc;
    --link-hover: #ff6a00;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 4px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--link);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--link-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
    transition: var(--transition);
}

input, textarea, select {
    font-family: inherit;
    outline: none;
    border: 1px solid var(--border);
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(255,106,0,0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ==================== 顶部导航 ==================== */
.top-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    font-size: 12px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 36px;
}

.top-links a,
.top-user a {
    color: var(--text-light);
    margin-right: 16px;
    position: relative;
}

.top-links a:hover,
.top-user a:hover {
    color: var(--primary);
}

.top-links a:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background: var(--border);
}

/* ==================== 头部搜索区 ==================== */
.main-header {
    background: var(--bg-white);
    padding: 20px 0;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo a {
    display: block;
    line-height: 0;
}

.logo img {
    width: auto;
    height: 50px;
    max-width: 200px;
    object-fit: contain;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    max-width: 700px;
}

.search-box input {
    flex: 1;
    height: 40px;
    padding: 0 15px;
    border: 2px solid var(--primary);
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 14px;
}

.search-btn {
    height: 40px;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-weight: 500;
}

.search-btn:hover {
    background: var(--primary-dark);
}

.publish-btn {
    height: 40px;
    padding: 0 16px;
    background: var(--secondary);
    color: #fff;
    font-size: 13px;
    border-radius: var(--radius);
    white-space: nowrap;
}

.publish-btn:hover {
    background: var(--primary);
}

.manage-btn,
.feedback-btn {
    height: 40px;
    padding: 0 14px;
    background: var(--bg-gray);
    color: var(--text-light);
    font-size: 13px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.manage-btn:hover,
.feedback-btn:hover {
    background: var(--bg-white);
    color: var(--primary);
    border-color: var(--primary);
}

/* ==================== 主导航 ==================== */
.main-nav {
    background: var(--primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.main-nav .container {
    display: flex;
    height: 44px;
    align-items: center;
    flex-wrap: nowrap;
    overflow: hidden;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

.main-nav li {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.main-nav .nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

.main-nav .nav-list li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: #fff;
    padding: 0 16px;
    height: 44px;
    line-height: 44px;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav li.active a {
    background: rgba(255,255,255,0.15);
}

.main-nav li.active a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: #fff;
    border-radius: 2px 2px 0 0;
}

/* ==================== 面包屑 ==================== */
.breadcrumb {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
    font-size: 13px;
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb span {
    color: var(--text-lighter);
    margin: 0 8px;
}

/* ==================== 页脚 ==================== */
.main-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    margin-top: 40px;
    padding: 40px 0 20px;
}

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

.footer-col h4 {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 12px;
    font-weight: 600;
}

.footer-col a {
    display: block;
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 8px;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-col p {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 6px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-lighter);
    font-size: 12px;
    margin-bottom: 4px;
}

/* ==================== 移动端底部导航 ==================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    z-index: 1000;
    padding: 6px 0;
}

.mobile-nav .nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--text-light);
    font-size: 11px;
}

.mobile-nav a.active {
    color: var(--primary);
}

.mobile-nav .iconfont {
    font-size: 20px;
    line-height: 1;
}

/* ==================== 动画 ==================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.4s ease forwards;
}

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

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

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

/* ==================== 响应式布局 ==================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 12px;
    }

    .main-header .container {
        flex-wrap: wrap;
        gap: 15px;
    }

    .search-box {
        max-width: 100%;
        order: 3;
        width: 100%;
    }

    .main-nav a {
        padding: 0 12px;
        font-size: 14px;
    }

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

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .main-header {
        padding: 12px 0;
    }

    .main-header .container {
        flex-direction: column;
        align-items: stretch;
    }

    .logo img {
        height: 40px;
    }

    .search-box {
        flex-wrap: wrap;
        gap: 6px;
    }

    .search-box input {
        width: 100%;
        border-radius: var(--radius);
    }

    .search-btn {
        border-radius: var(--radius);
        flex: 1;
    }

    .publish-btn,
    .manage-btn,
    .feedback-btn {
        flex: 1;
        height: 36px;
        font-size: 12px;
        padding: 0 8px;
    }

    .main-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .main-nav .container {
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .main-nav a {
        padding: 0 14px;
        font-size: 13px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .mobile-nav {
        display: block;
    }

    body {
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 36px;
    }

    .main-nav a {
        padding: 0 10px;
        font-size: 12px;
    }

    .breadcrumb {
        padding: 8px 0;
        font-size: 12px;
    }
}
/* Hide stale duplicated headers caused by old compiled ThinkPHP detail templates. */
.main-nav ~ .top-bar,
.main-nav ~ header.main-header,
.main-nav ~ nav.main-nav {
    display: none !important;
}