@charset "UTF-8";
/* 世纪大学 SEGi University 中文官网 - 全局样式 */

:root {
    --primary: #0077A8;
    --primary-dark: #005a80;
    --primary-light: #e6f2f7;
    --primary-rgb: 0, 119, 168;
    --primary-color: #0077A8;
    --secondary: #f39c12;
    --dark: #1a1a2e;
    --text: #333;
    --text-light: #666;
    --text-dark: #1a1a2e;
    --text-medium: #555;
    --text-muted: #999;
    --text-primary: #0077A8;
    --text-secondary: #666;
    --text-white: #fff;
    --bg: #fff;
    --bg-white: #fff;
    --bg-light: #f8f9fa;
    --bg-blue-light: #e6f2f7;
    --bg-gray: #f0f0f0;
    --border: #e5e7eb;
    --border-light: #eee;
    --danger: #e74c3c;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --container: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

/* 图片加载失败兜底 */
.img-fallback {
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}
.img-fallback::before {
    content: '图片加载失败';
    color: var(--text-light);
    font-size: 14px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

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

.btn-white:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

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

.btn-sm {
    padding: 8px 15px;
    font-size: 13px;
}

/* 顶部信息栏 */
.top-bar {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    padding: 8px 0;
}

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

.top-bar-left {
    display: flex;
    gap: 24px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-left i {
    font-size: 14px;
    color: var(--primary);
}

.lang-switch {
    display: flex;
    gap: 4px;
}

.lang-switch a {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    transition: var(--transition);
}

.lang-switch a:hover,
.lang-switch a.active {
    background: var(--primary);
    color: var(--text-white);
}

/* 主导航 */
.main-header {
    background: var(--bg-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 70px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-cn {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.brand-en {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 4px;
}

.main-nav > li {
    position: relative;
}

.main-nav > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    transition: var(--transition);
}

.main-nav > li > a:hover,
.main-nav > li.active > a {
    color: var(--primary);
    background: var(--primary-light);
}

.main-nav > li > a i {
    font-size: 16px;
    transition: transform 0.3s;
}

.main-nav > li:hover > a i {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    padding: 8px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    list-style: none;
    z-index: 100;
}

.main-nav > li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text);
    border-radius: 8px;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
    border-radius: 2px;
}



/* 通用区块标题 */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    margin: 20px auto 0;
}



/* CTA 区块 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: var(--text-white);
}

.cta-section h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* 页脚二维码 */
.footer-qr-codes {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

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

.qr-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    object-fit: cover;
    background: var(--bg-white);
    padding: 4px;
}

.qr-item span {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
    text-align: center;
}

@media (max-width: 768px) {
    .qr-item img {
        width: 80px;
        height: 80px;
    }
}

/* 页脚 */
.main-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 30px 0 0;
}
.f-linik {
	max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
	padding-bottom:30px;
	
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-social i {
    font-size: 18px;
    color: var(--text-white);
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 24px;
}

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

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
	font-weight: 600;
    color: var(--text-white);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-col a i {
    font-size: 16px;
    color: var(--primary);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.7;
}

.footer-contact i {
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.footer-bottom a {
    margin-left: 24px;
    transition: var(--transition);
}

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

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.back-to-top i {
    font-size: 20px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav > li {
        width: 100%;
    }
    
    .main-nav > li > a {
        padding: 12px 16px;
        justify-content: space-between;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: 20px;
    }
    
    .main-nav > li.dropdown-open .dropdown-menu {
        display: block;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-banner {
        height: 600px;
    }

    .slide-content h1 {
        font-size: 40px;
    }

    .stats-bar .container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-images {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

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

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

    .news-featured {
        min-height: 300px;
    }

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

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

    .main-header .container {
        height: 60px;
    }

    .logo img {
        height: 32px;
    }

    .nav-actions .btn {
        padding: 6px 14px;
        font-size: 13px;
        white-space: nowrap;
    }

    .hero-banner {
        height: 500px;
    }

    .slide-content h1 {
        font-size: 32px;
    }

    .slide-content p {
        font-size: 15px;
    }

    .slide-btns {
        flex-direction: column;
    }

    .stats-bar .container {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-number {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .programs-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .experience-badge {
        display: none;
    }

    .img-float {
        display: none;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-bottom a {
        margin: 0 12px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .hero-arrows {
        display: none;
    }
}

@media (max-width: 480px) {
    .main-header .container {
        height: 56px;
    }

    .logo img {
        height: 28px;
    }

    .nav-actions .btn {
        padding: 5px 10px;
        font-size: 12px;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}