/* style.css - 科技感教育机构官网样式 */
:root {
    --primary: #00e5ff;
    --secondary: #ff4dff;
    --bg: #0d0d0d;
    --text: #ffffff;
    --dark: #0a0a0a;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Exo 2', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
a {
    color: inherit;
    text-decoration: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.highlight { color: var(--primary); }
.tech-text { color: var(--secondary); }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s, opacity 0.3s;
}
.btn-primary {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: var(--dark);
    border: none;
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn:hover {
    opacity: 0.9;
    transform: scale(1.05);
}
/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    padding: 0 20px;
}
.nav-logo h2 { font-family: 'Orbitron', sans-serif; letter-spacing: 2px; }
.nav-logo .logo-subtitle { font-size: 0.8rem; color: var(--secondary); }
.nav-menu {
    display: flex;
    gap: 24px;
}
.nav-link {
    position: relative;
    padding: 6px 0;
    transition: color 0.3s;
}
.nav-link.active,
.nav-link:hover {
    color: var(--primary);
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}
.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--text);
    transition: all 0.3s;
}
/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding-top: 60px;
    position: relative;
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}
.hero-title {
    font-size: 3rem;
    line-height: 1.2;
}
.hero-description {
    margin: 20px 0;
    font-size: 1.1rem;
    color: #ccc;
}
.hero-image .floating-card {
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-radius: 8px;
    overflow: hidden;
}
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}
/* Sections */
section { padding: 80px 0; }
.page-hero { text-align: center; padding-top: 100px; }
.page-hero-content h1 { font-size: 2.5rem; }
.page-hero-content p { margin-top: 10px; color: #aaa; }
/* Features Grid */
.features-grid,
.programs-grid,
.values-grid,
.stats-grid,
.tech-grid,
.schedule-grid,
.faq-grid {
    display: grid;
    gap: 24px;
}
.features-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.feature-card {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-10px); }
.feature-icon { font-size: 2rem; margin-bottom: 12px; color: var(--primary); }
/* Stats */
.stats-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: bold; color: var(--secondary); }
.stat-label { margin-top: 5px; color: #aaa; }
/* CTA */
.cta { background: linear-gradient(45deg, var(--secondary), var(--primary)); text-align: center; color: var(--dark); }
.cta-content h2 { font-size: 2.5rem; }
.cta-content p { margin: 20px 0; color: #333; }
.btn-large { padding: 16px 32px; font-size: 1.1rem; }
/* Footer */
.footer { background: var(--dark); color: #777; margin-top: auto; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; padding: 40px 0; }
.footer-section h3, .footer-section h4 { color: var(--text); margin-bottom: 10px; }
.social-links a { margin-right: 10px; font-size: 1.2rem; color: var(--text); }
.footer-bottom { text-align: center; padding: 20px 0; border-top: 1px solid #222; }
/* Contact Form and Info */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-form-container, .contact-info { background: rgba(255,255,255,0.05); padding: 20px; border-radius: 8px; }
.contact-form .form-row { display: flex; gap: 20px; }
.form-group { display: flex; flex-direction: column; margin-bottom: 15px; }
.form-group label { margin-bottom: 5px; color: #aaa; }
.form-group input, .form-group select, .form-group textarea { padding: 10px; border-radius: 4px; border: none; }
/* FAQ */
.faq-item { border-bottom: 1px solid #222; }
.faq-question { display: flex; justify-content: space-between; padding: 15px 0; cursor: pointer; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; color: #aaa; }
.faq-item.open .faq-answer { max-height: 200px; margin-bottom: 15px; }
/* Responsive */
@media(max-width: 768px) {
    .hero-content, .contact-grid { grid-template-columns: 1fr; }
    .nav-menu { display: none; flex-direction: column; background: var(--dark); position: absolute; top: 60px; right: 0; width: 200px; }
    .nav-menu.active { display: flex; }
    .hamburger { display: flex; }
}
/* 固定图片尺寸 */
img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}
/* Typography统一 */
h1,h2,h3,h4,h5,h6 {
    margin: 0.5em 0;
    line-height: 1.3;
}
/* Section Header 样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header .section-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.section-header .section-subtitle {
    font-size: 1.1rem;
    color: #bbb;
}
/* 统一卡片布局 */
.feature-card, .program-card, .value-card, .tech-item, .stat-card {
    display: flex;
    flex-direction: column;
}
.program-image, .feature-icon, .value-icon, .tech-icon, .principal-image img {
    margin-bottom: 20px;
}
.program-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.program-footer {
    margin-top: auto;
}
/* 周计划卡片样式 */
.schedule-day {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
/* 中等屏幕Grid调整 */
@media (max-width: 1024px) {
    .features-grid, .programs-grid, .values-grid, .tech-grid, .stats-grid, .schedule-grid, .faq-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}