/* 大美互娱官网样式 - 深色+金色主题 完整优化版 */

/* ========== CSS变量 ========== */
:root {
    --primary: #FFD700;
    --primary-dark: #FFA500;
    --primary-light: rgba(255, 215, 0, 0.1);
    --bg-dark: #121212;
    --bg-card: #1A1A1A;
    --bg-section: #0D0D0D;
    --text-primary: #FFFFFF;
    --text-secondary: #999999;
    --border-color: #2A2A2A;
    --gradient: linear-gradient(135deg, #FFD700, #FFA500);
    --gradient-reverse: linear-gradient(135deg, #FFA500, #FFD700);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
}

/* ========== 基础重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

/* ========== 文字渐变 ========== */
.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== 按钮样式 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient);
    color: #1a1a1a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: #1a1a1a;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 15px;
    transition: color 0.3s;
    position: relative;
    padding: 5px 0;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

/* ========== Hero区域 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 70px;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(18,18,18,0.7) 0%, rgba(18,18,18,0.5) 50%, rgba(18,18,18,0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 40px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 215, 0, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    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% { top: 8px; opacity: 1; }
    50% { top: 20px; opacity: 0.5; }
}

/* ========== 区块 ========== */
.section {
    padding: 100px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.title-line {
    width: 60px;
    height: 3px;
    background: var(--gradient);
    margin: 0 auto;
    border-radius: 3px;
}

/* ========== 关于我们 ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 2;
}

.about-stats {
    display: flex;
    gap: 40px;
}

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

.stat-value {
    display: block;
    font-size: 42px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ========== 生态矩阵 ========== */
.eco-system {
    position: relative;
    max-width: 500px;
    margin: 0 auto 60px;
    height: 300px;
}

.eco-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.eco-core {
    width: 120px;
    height: 120px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 14px;
    box-shadow: var(--shadow-glow);
}

.eco-core i {
    font-size: 28px;
    margin-bottom: 4px;
}

.eco-items {
    position: relative;
    height: 100%;
}

.eco-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.eco-item span {
    font-size: 13px;
    font-weight: 600;
}

.eco-item-1 { top: 10px; left: 50%; transform: translateX(-50%); }
.eco-item-2 { top: 50%; right: 0; transform: translateY(-50%); }
.eco-item-3 { bottom: 10px; left: 50%; transform: translateX(-50%); }
.eco-item-4 { top: 50%; left: 0; transform: translateY(-50%); }

.eco-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 2px dashed rgba(255, 215, 0, 0.3);
    transition: all 0.3s;
}

.eco-item:hover .eco-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.eco-item-1 .eco-icon { background: rgba(6, 182, 212, 0.2); color: #06b6d4; }
.eco-item-2 .eco-icon { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
.eco-item-3 .eco-icon { background: rgba(236, 72, 153, 0.2); color: #ec4899; }
.eco-item-4 .eco-icon { background: rgba(139, 92, 246, 0.2); color: #8b5cf6; }

/* ========== 业务卡片 ========== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.business-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.business-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.card-media {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.business-card:hover .card-media img {
    transform: scale(1.1);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 215, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
}

.business-card:hover .play-btn {
    opacity: 1;
}

.card-content {
    padding: 24px;
}

.card-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.card-subtitle {
    color: var(--primary);
    font-size: 14px;
    margin-bottom: 12px;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.card-features span {
    padding: 4px 12px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
}

/* ========== 招聘卡片 ========== */
.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.job-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s;
}

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

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.job-header h3 {
    font-size: 18px;
}

.job-tag {
    padding: 4px 10px;
    background: rgba(72, 187, 120, 0.2);
    color: #48bb78;
    border-radius: 20px;
    font-size: 12px;
}

.job-status {
    padding: 4px 10px;
    background: rgba(255, 215, 0, 0.2);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    margin-left: 8px;
}

.job-status.closed {
    background: rgba(153, 153, 153, 0.2);
    color: #999;
}

.job-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

.job-meta i {
    color: var(--primary);
    margin-right: 4px;
}

.job-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.job-requirements h4,
.job-benefits h4 {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 8px;
}

.job-requirements h4 i,
.job-benefits h4 i {
    margin-right: 6px;
}

.job-requirements ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 16px;
}

.job-requirements li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.job-requirements li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary);
}

.benefits-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.benefits-tags span {
    padding: 4px 12px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
}

.job-action {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* ========== 招商横幅 ========== */
.invest-banner {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.invest-content h2 {
    font-size: 36px;
    margin-bottom: 12px;
}

.invest-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.invest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.invest-tags span {
    padding: 8px 16px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary);
}

.invest-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ========== 发展历程 ========== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 70px;
    top: 30px;
    bottom: -40px;
    width: 2px;
    background: var(--border-color);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-year {
    width: 80px;
    height: 60px;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-dark);
    flex-shrink: 0;
}

.timeline-content {
    padding-top: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 联系方式 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 18px;
    font-weight: 600;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

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

/* ========== 提示框 ========== */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(72, 187, 120, 0.15);
    border: 1px solid rgba(72, 187, 120, 0.3);
    color: #48bb78;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 16px;
}

.footer-brand h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 页面标题 ========== */
.page-header {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
    padding: 140px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    color: #999;
    font-size: 18px;
}

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #666;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #444;
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.mt-12 { margin-top: 48px; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .invest-banner { flex-direction: column; text-align: center; }
    .invest-tags { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 36px; }
    .section-title { font-size: 28px; }
    .nav-buttons { display: none; }
    .hero-buttons { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-stats { flex-wrap: wrap; justify-content: center; }
    .timeline-item { flex-direction: column; }
    .timeline-item::before { display: none; }
}

/* ========== 动画 ========== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* 滚动动画 */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}


/* ========== 平台矩阵 ========== */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.platform-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.platform-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.platform-card:hover::before {
    transform: scaleX(1);
}

.platform-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
    transition: transform 0.3s ease;
}

.platform-card:hover .platform-icon {
    transform: scale(1.1);
}

.platform-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.platform-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.platform-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    background: rgba(255, 215, 0, 0.1);
    color: var(--primary);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.platform-status.status-active {
    background: rgba(0, 200, 83, 0.1);
    color: #00c853;
    border-color: rgba(0, 200, 83, 0.3);
}

@media (max-width: 992px) {
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }
}


/* ========== Hero导航卡片 ========== */
.hero-title-small {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.hero-nav-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-nav-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.hero-nav-card i {
    font-size: 28px;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.hero-nav-card span {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.hero-nav-card:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.hero-nav-card:hover i {
    transform: scale(1.15);
}

.hero-nav-card.active {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 165, 0, 0.1) 100%);
    border-color: var(--primary);
}

@media (max-width: 992px) {
    .hero-nav-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .hero-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title-small {
        font-size: 22px;
    }
    .hero-logo {
        width: 36px;
        height: 36px;
    }
}


/* ========== 子站点导航 ========== */
.nav-sites {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-sites a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-sites a i {
    font-size: 14px;
}

.nav-sites a:hover {
    color: var(--primary);
    background: rgba(255, 215, 0, 0.1);
}

.nav-sites a.active {
    color: var(--primary);
    background: rgba(255, 215, 0, 0.15);
}

@media (max-width: 992px) {
    .nav-sites {
        display: none;
    }
}