@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

:root {
    --primary-color: #1a365d;
    --secondary-color: #d4af37;
    --accent-color: #2c5282;
    --text-dark: #1a202c;
    --text-light: #718096;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

ul {
    list-style: none;
}

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

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

.top-bar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
}

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

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.school-logo {
    width: 50px;
    height: 50px;

    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 12px;
    text-align: center;
    line-height: 1.2;
}

.school-name {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.9rem;
}

.top-bar-right a {
    display: flex;
    align-items: center;
    gap: 5px;
}

.top-bar-right a:hover {
    color: var(--secondary-color);
}

.main-nav {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav .container {
    display: flex;
    justify-content: space-between; /* Logo在左，菜单在右 */
    align-items: center;
    padding: 0 20px;
    height: 60px; /* 固定高度方便对齐 */
}


/* 桌面端菜单样式 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
}




.nav-menu li a {
    padding: 20px 15px;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.9rem;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 80%;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.hero {
    position: relative;
    height: calc(100vh - 120px);
    min-height: 500px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.85) 0%, rgba(26, 54, 93, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    color: var(--white);
    max-width: 800px;
    padding: 20px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--secondary-color);
    color: var(--white);
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.hero-btn:hover {
    background-color: #c4a02e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background-color: var(--secondary-color);
    transform: scale(1.2);
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.hero-arrow:hover {
    background-color: var(--secondary-color);
}

.hero-arrow.prev {
    left: 20px;
}

.hero-arrow.next {
    right: 20px;
}

section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.about-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--light-gray);
    border-radius: 10px;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.academics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.academic-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.academic-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.academic-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.academic-card-content {
    padding: 25px;
}

.academic-card-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.academic-card-content ul {
    padding-left: 20px;
}

.academic-card-content ul li {
    color: var(--text-light);
    margin-bottom: 8px;
    position: relative;
    padding-left: 15px;
}

.academic-card-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.advantage-card-content {
    padding: 25px;
}

.advantage-card-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.advantage-card-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.life-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.life-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.life-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.life-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.life-card-content {
    padding: 25px;
}

.life-card-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.life-card-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.admissions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.admission-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
}

.admission-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.admission-card ul {
    margin-bottom: 20px;
}

.admission-card ul li {
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.admission-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.admission-card .cta-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.admission-card .cta-btn:hover {
    background-color: var(--accent-color);
}

.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.staff-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.staff-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.staff-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.staff-card-content {
    padding: 25px;
}

.staff-card-content h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.staff-card-content .title {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.staff-card-content .email {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.staff-card-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.map-container {
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: none;
}

.contact-form {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 10px;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.social-links a i {
    font-size: 1.1rem;
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    z-index: 999;
    display: none;
}

.back-to-top.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top:hover {
    background-color: #c4a02e;
    transform: translateY(-3px);
}

.back-to-top i {
    font-size: 1.2rem;
}

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }

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

    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .top-bar-left,
    .top-bar-right {
        justify-content: center;
    }

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

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li a {
        padding: 15px;
        display: block;
        text-align: center;
    }

    .hero {
        height: calc(100vh - 150px);
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

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

    .academics-grid,
    .advantages-grid,
    .life-grid,
    .staff-grid {
        grid-template-columns: 1fr;
    }

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

    section {
        padding: 60px 0;
    }

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

@media (max-width: 480px) {
    .school-name {
        font-size: 0.9rem;
    }

    .top-bar-right {
        flex-direction: column;
        gap: 10px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .hero-btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

    .section-title h2 {
        font-size: 1.5rem;
    }

    .section-title p {
        font-size: 0.95rem;
    }

    .about-content h3,
    .admission-card h3,
    .contact-info h3,
    .contact-form h3 {
        font-size: 1.3rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top i {
        font-size: 1rem;
    }
}