/* ========== 基础样式与变量 ========== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 36px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    top: 0;
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-text {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ========== 按钮样式 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-full {
    width: 100%;
}

/* ========== Hero 区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

/* 代码块样式 */
.code-block {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.code-header {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.code-content {
    padding: 24px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content code {
    color: var(--text-secondary);
}

.keyword { color: #c678dd; }
.variable { color: #e5c07b; }
.property { color: #61afef; }
.string { color: #98c379; }

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.5; top: 16px; }
}

/* ========== 服务区域 ========== */
.services {
    padding: 120px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== 关于我们 ========== */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
}

/* ========== 联系我们 ========== */
.contact {
    padding: 120px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========== 页脚 ========== */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

    .stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-dark);
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .stats {
        flex-direction: column;
        gap: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }
}

/* ========== 顶部信息栏 ========== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background: #0d0d12;
    padding: 8px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

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

.top-info {
    display: flex;
    gap: 24px;
    color: var(--text-secondary);
}

.top-links {
    display: flex;
    gap: 16px;
}

.top-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ========== 搜索区域 ========== */
.search-section {
    padding: 140px 0 40px;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, transparent 100%);
}

.search-box {
    display: flex;
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.search-category {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: none;
    border-right: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    min-width: 140px;
}

.search-category option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.search-input {
    flex: 1;
    padding: 16px 20px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
}

.search-input:focus {
    outline: none;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-btn {
    padding: 16px 32px;
    background: var(--gradient);
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.search-btn:hover {
    opacity: 0.9;
}

/* ========== 分类导航 ========== */
.category-section {
    padding: 40px 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 16px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.category-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

.category-icon {
    font-size: 2rem;
}

.category-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.category-item:hover span {
    color: var(--text-primary);
}

/* ========== 信息列表 ========== */
.listing-section {
    padding: 40px 0 80px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.more-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.3s ease;
}

.more-link:hover {
    opacity: 0.8;
}

.listing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.listing-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1);
}

.listing-content {
    padding: 24px;
}

.listing-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
    font-size: 0.8rem;
    border-radius: 4px;
    margin-bottom: 12px;
}

.listing-tag.tag-job {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.listing-tag.tag-second {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.listing-tag.tag-service {
    background: rgba(14, 165, 233, 0.15);
    color: #0ea5e9;
}

.listing-tag.tag-car {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.listing-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.listing-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.listing-info {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.listing-price {
    color: #ef4444;
    font-weight: 600;
    font-size: 1.1rem;
}

.listing-location,
.listing-time {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.listing-contact {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.phone-hidden {
    color: var(--text-primary);
    font-weight: 500;
}

.view-phone-btn {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 12px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.view-phone-btn:hover {
    background: var(--primary);
    color: white;
}

.listing-company {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.listing-warning {
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
}

.warning-tip {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.warning-alert {
    color: #f59e0b;
    font-size: 0.85rem;
}

/* ========== 关于我们区域 ========== */
.about-section {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.about-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
}

.about-section .about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-section .about-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* ========== 联系我们区域 ========== */
.contact-section {
    padding: 80px 0;
}

.contact-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
}

.contact-section .contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-section .contact-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 24px;
}

.contact-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.contact-value {
    color: var(--text-primary);
    font-size: 1rem;
}

/* ========== 页脚样式 ========== */
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.footer-info .footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

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

.footer-complaint {
    margin-bottom: 16px;
}

.footer-complaint a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-complaint span {
    color: var(--text-secondary);
    margin: 0 8px;
}

.footer-bottom p a {
    color: var(--primary);
    text-decoration: none;
}

/* ========== 认证页面样式 ========== */
.auth-section {
    padding: 140px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-box {
    max-width: 420px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.auth-box h2 {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.input-with-btn {
    display: flex;
    gap: 12px;
}

.input-with-btn input {
    flex: 1;
}

.btn-code {
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-code:hover {
    background: var(--primary);
    color: white;
}

.form-checkbox {
    flex-direction: row !important;
    align-items: center;
}

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--primary);
    text-decoration: none;
}

.forgot-link {
    margin-left: auto;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.required {
    color: #ef4444;
}

/* ========== 管理中心样式 ========== */
.admin-section {
    padding: 140px 0 80px;
}

.admin-header {
    text-align: center;
    margin-bottom: 48px;
}

.admin-header h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.admin-header p {
    color: var(--text-secondary);
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.admin-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.admin-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

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

.admin-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.publish-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.publish-section h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.publish-tip {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.publish-tip a {
    color: var(--primary);
    text-decoration: none;
}

.publish-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* ========== 投诉页面样式 ========== */
.complaint-section {
    padding: 140px 0 80px;
}

.complaint-box {
    max-width: 800px;
    margin: 0 auto;
}

.complaint-box h1 {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 16px;
}

.complaint-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.warning-box h3 {
    color: #f59e0b;
    font-size: 1rem;
    margin-bottom: 8px;
}

.warning-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.warning-box strong {
    color: var(--text-primary);
}

.complaint-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
}

.complaint-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.complaint-info h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.complaint-info ul {
    list-style: none;
}

.complaint-info li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.complaint-info li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.contact-info-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.contact-info-box h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.contact-info-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.contact-info-box strong {
    color: var(--text-primary);
}

/* ========== 文档页面样式 ========== */
.document-section {
    padding: 140px 0 80px;
}

.document-box {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px;
}

.document-box h1 {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}

.update-time {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.document-content h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--primary);
}

.document-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.document-content ul {
    list-style: none;
    margin-bottom: 16px;
}

.document-content li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.document-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.document-footer {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

/* ========== 额外响应式样式 ========== */
@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 8px;
    }

    .top-info {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .search-box {
        flex-direction: column;
    }

    .search-category {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .category-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .category-item {
        padding: 16px 8px;
    }

    .category-icon {
        font-size: 1.5rem;
    }

    .category-item span {
        font-size: 0.8rem;
    }

    .listing-info {
        flex-direction: column;
        gap: 8px;
    }

    .contact-section .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .auth-box {
        margin: 0 16px;
        padding: 32px 24px;
    }

    .document-box {
        margin: 0 16px;
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .category-item {
        padding: 12px 4px;
    }

    .category-icon {
        font-size: 1.2rem;
    }

    .category-item span {
        font-size: 0.7rem;
    }

    .listing-contact {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .form-actions {
        flex-direction: column;
    }

    .document-footer {
        flex-direction: column;
    }
}