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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* ===== 导航栏 ===== */
.navbar {
    background: rgba(20, 10, 40, 0.97);
    color: white;
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(102,126,234,0.3);
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo h1 { font-size: 1.4rem; background: linear-gradient(135deg,#a78bfa,#f472b6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.tagline { font-size: 0.75rem; color: #a78bfa; margin-top: 2px; }
.nav-menu { display: flex; list-style: none; gap: 1.5rem; }
.nav-menu a { color: #ccc; text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.nav-menu a:hover { color: #a78bfa; }

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    display: flex; align-items: center; justify-content: center;
    text-align: center; color: white; position: relative; overflow: hidden;
    padding: 6rem 2rem 4rem;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(167,139,250,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(244,114,182,0.1) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 1; max-width: 900px; }
.hero-title {
    font-size: 3.5rem; font-weight: 900; margin-bottom: 1rem;

    background: linear-gradient(135deg, #ffffff 0%, #e0f7fa 50%, #b2ebf2 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.hero-subtitle { font-size: 1rem; color: #a78bfa; margin-bottom: 0.8rem; letter-spacing: 2px; }
.hero-desc { font-size: 1.1rem; color: rgba(255,255,255,0.7); margin-bottom: 3rem; }
.hero-stats {
    display: flex; justify-content: center; gap: 3rem;
    margin-bottom: 3rem; flex-wrap: wrap;
}
.stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 200, 0.3); /* 亮青色边框 */
    border-radius: 16px; padding: 1.5rem 2rem;
    backdrop-filter: blur(10px);
    min-width: 140px;
}
.stat-number { font-size: 2.8rem; font-weight: 900; color: #FFF; line-height: 1; }
.stat-item p { font-size: 0.95rem; color: #ddd; margin: 0.3rem 0; }
.stat-detail { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-button {
    display: inline-block; padding: 1rem 2.5rem;
    border-radius: 50px; text-decoration: none;
    font-size: 1rem; font-weight: bold;
    transition: all 0.3s;
}
.cta-button.primary {
    background: linear-gradient(135deg, #004d47 0%, #008a80 100%);
    color: white; box-shadow: 0 8px 25px rgba(102,126,234,0.4);
}
.cta-button.primary:hover { transform: translateY(-3px); box-shadow: 0 15px 35px rgba(102,126,234,0.5); }
.cta-button.secondary {
    background: transparent; color: white;
    border: 2px solid rgba(0, 212, 200, 0.6);
}
.cta-button.secondary:hover { background: rgba(167,139,250,0.1); transform: translateY(-3px); }

/* ===== 公告栏 ===== */
.notice-bar {
    /*background: linear-gradient(135deg, #667eea, #764ba2);*/
    background: linear-gradient(135deg, #004d47 0%, #008a80 100%);
    color: white; padding: 0.8rem 0; overflow: hidden;
}
.notice-bar .container { display: flex; align-items: center; gap: 1rem; }
.notice-label {
    background: rgba(255,255,255,0.2); padding: 0.2rem 0.8rem;
    border-radius: 20px; font-size: 0.85rem; white-space: nowrap;
}
.notice-scroll { display: flex; gap: 3rem; font-size: 0.9rem; overflow: hidden; }
.notice-scroll span { white-space: nowrap; }

/* ===== 通用 ===== */
.section-title {
    text-align: center; font-size: 2.2rem; font-weight: 800;
    margin-bottom: 0.8rem; color: #1a1a2e;
}
.section-title::after {
    content: ''; display: block; width: 60px; height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px; margin: 0.8rem auto 0;
}
.section-subtitle {
    text-align: center; color: #666; font-size: 1rem;
    margin-bottom: 3rem;
}

/* ===== 关于我们 ===== */
.about { padding: 5rem 2rem; background: #f8f7ff; }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text h3 { font-size: 1.5rem; color: #1a1a2e; margin-bottom: 1rem; }
.about-text p { color: #555; line-height: 1.9; margin-bottom: 1rem; font-size: 1rem; }
.about-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.badge {
    background: linear-gradient(135deg, #667eea15, #764ba215);
    border: 1px solid #667eea40;
    color: #667eea; padding: 0.4rem 0.9rem;
    border-radius: 20px; font-size: 0.82rem; font-weight: 500;
}
.about-milestones h3 { font-size: 1.5rem; color: #1a1a2e; margin-bottom: 1.5rem; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px; background: linear-gradient(180deg, #667eea, #764ba2);
}
.timeline-item { position: relative; margin-bottom: 1.8rem; }
.timeline-item::before {
    content: ''; position: absolute; left: -2.4rem; top: 0.4rem;
    width: 12px; height: 12px; border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.2);
}
.timeline-year {
    font-size: 1.3rem; font-weight: 800; color: #667eea;
    line-height: 1; margin-bottom: 0.3rem;
}
.timeline-content h4 { font-size: 1rem; color: #1a1a2e; margin-bottom: 0.3rem; }
.timeline-content p { font-size: 0.9rem; color: #666; line-height: 1.6; }

/* ===== 核心人物 ===== */
.leadership { padding: 5rem 2rem; background: white; }
.leader-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); gap: 3rem; }
.leader-card {
    background: linear-gradient(135deg, #f8f7ff, #fff);
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.3s; border: 2px solid #e8e0ff;
}
.leader-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(102,126,234,0.2); border-color: #667eea; }
.leader-photo {
    height: 320px; background-size: cover; background-position: center;
    background-color: linear-gradient(135deg, #667eea, #764ba2);
}
.leader-info { padding: 2rem; }
.leader-info h3 { font-size: 1.8rem; color: #1a1a2e; margin-bottom: 0.3rem; font-weight: 800; }
.leader-title {
    color: #667eea; font-size: 1rem; font-weight: 600;
    margin-bottom: 1rem;
}
.leader-divider { height: 2px; background: linear-gradient(90deg, #667eea, transparent); margin-bottom: 1.2rem; }
.leader-desc { font-size: 0.95rem; color: #555; line-height: 1.9; text-align: justify; }

/* ===== 课程体系 ===== */
.courses { padding: 5rem 2rem; background: white; }
.course-tabs { display: flex; justify-content: center; gap: 1rem; margin-bottom: 2.5rem; }
.tab-btn {
    padding: 0.7rem 2rem; border-radius: 30px; border: 2px solid #667eea;
    background: transparent; color: #667eea; font-size: 1rem;
    cursor: pointer; transition: all 0.3s; font-weight: 600;
}
.tab-btn.active, .tab-btn:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white; border-color: transparent;
}
.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.course-grid.hidden { display: none; }
.course-card {
    background: white; border-radius: 20px; padding: 2rem;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    border: 2px solid #f0eeff;
    transition: all 0.3s; position: relative; overflow: hidden;
}
.course-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 4px; background: linear-gradient(135deg, #667eea, #764ba2);
}
.course-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(102,126,234,0.2); }
.course-card.featured {
    border-color: #667eea;
    background: linear-gradient(135deg, #f8f7ff, #fff);
}
.course-badge {
    position: absolute; top: 1.2rem; right: 1.2rem;
    background: linear-gradient(135deg, #f472b6, #ec4899);
    color: white; padding: 0.3rem 0.8rem; border-radius: 20px;
    font-size: 0.78rem; font-weight: bold;
}
.course-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.course-icon { font-size: 2.5rem; }
.course-level {
    background: #f0eeff; color: #667eea;
    padding: 0.3rem 0.8rem; border-radius: 20px; font-size: 0.82rem; font-weight: 600;
}
.course-card h3 { font-size: 1.5rem; color: #1a1a2e; margin-bottom: 0.5rem; }
.course-duration { color: #667eea; font-weight: 600; margin-bottom: 0.3rem; }
.course-target { color: #888; font-size: 0.9rem; margin-bottom: 1rem; }
.course-divider { height: 1px; background: #f0eeff; margin: 1rem 0; }
.course-card h4 { font-size: 0.95rem; color: #555; margin-bottom: 0.8rem; }
.course-features { list-style: none; margin-bottom: 1.5rem; }
.course-features li {
    padding: 0.4rem 0; padding-left: 1.5rem; position: relative;
    font-size: 0.95rem; color: #444; border-bottom: 1px solid #fafafa;
}
.course-features li::before { content: '✓'; position: absolute; left: 0; color: #667eea; font-weight: bold; }
.course-cert {
    background: linear-gradient(135deg, #f0eeff, #e8e0ff);
    padding: 0.7rem 1rem; border-radius: 10px;
    font-size: 0.9rem; color: #667eea; font-weight: 600;
    margin-bottom: 1.2rem; text-align: center;
}
.course-btn {
    display: block; text-align: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white; padding: 0.8rem; border-radius: 10px;
    text-decoration: none; font-weight: 600;
    transition: all 0.3s;
}
.course-btn:hover { opacity: 0.9; transform: translateY(-2px); }

/* ===== 师资团队 ===== */
.teachers { padding: 5rem 2rem; background: #f8f7ff; }
.teacher-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 2rem; }
.teacher-card {
    background: white; border-radius: 20px; overflow: hidden;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: all 0.3s;
}
.teacher-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(102,126,234,0.15); }
.teacher-photo {
    height: 300px; position: relative; overflow: hidden;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem;
}
.teacher-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.teacher-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.teacher-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.teacher-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.teacher-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.teacher-6 { background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }

.teacher-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(0,0,0,0.5); color: white;
    padding: 0.5rem 1rem; font-size: 0.82rem; text-align: center;
    backdrop-filter: blur(4px);
}
.teacher-info { padding: 1.5rem; }
.teacher-info h3 { font-size: 1.4rem; color: #1a1a2e; margin-bottom: 0.3rem; }
.teacher-title { color: #667eea; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.8rem; }
.teacher-divider { height: 1px; background: #f0eeff; margin: 0.8rem 0; }
.teacher-credentials { list-style: none; margin-bottom: 1rem; }
.teacher-credentials li { padding: 0.3rem 0; font-size: 0.88rem; color: #555; }
.teacher-desc { font-size: 0.88rem; color: #777; line-height: 1.7; }

/* ===== 资质认证 ===== */
.certifications { padding: 5rem 2rem; background: white; }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.cert-card {
    background: linear-gradient(135deg, #f8f7ff, #fff);
    border: 1px solid #e8e0ff; border-radius: 16px;
    padding: 2rem; transition: all 0.3s;
}
.cert-card:hover {
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102,126,234,0.15);
    transform: translateY(-4px);
}
.cert-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.cert-card h3 { font-size: 1.05rem; color: #1a1a2e; margin-bottom: 0.8rem; font-weight: 700; }
.cert-card p { font-size: 0.9rem; color: #666; line-height: 1.7; }

/* ===== 学校优势 ===== */
.advantages { padding: 5rem 2rem; background: #f8f7ff; }
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.advantage-item {
    background: white; border-radius: 16px; padding: 1.8rem;
    text-align: center; transition: all 0.3s;
    border: 1px solid #f0eeff;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}
.advantage-item:hover {
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102,126,234,0.15);
    transform: translateY(-5px);
}
.advantage-icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
.advantage-item h3 { font-size: 1.1rem; color: #1a1a2e; margin-bottom: 0.5rem; font-weight: 700; }
.advantage-item p { font-size: 0.88rem; color: #666; line-height: 1.7; }

/* ===== 学员评价 ===== */
.testimonials { padding: 5rem 2rem; background: linear-gradient(135deg, #0f0c29, #302b63); }
.testimonials .section-title { color: white; }
.testimonials .section-title::after { background: linear-gradient(135deg, #a78bfa, #f472b6); }
.testimonials .section-subtitle { color: rgba(255,255,255,0.6); }
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.testimonial-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(167,139,250,0.2);
    border-radius: 20px; padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}
.testimonial-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(167,139,250,0.5);
    transform: translateY(-5px);
}
.testimonial-quote { font-size: 4rem; color: #a78bfa; line-height: 0.8; margin-bottom: 1rem; font-family: Georgia, serif; }
.testimonial-card > p { color: rgba(255,255,255,0.85); line-height: 1.8; font-size: 0.95rem; margin-bottom: 1.5rem; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.author-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.2rem; font-weight: bold; flex-shrink: 0;
}
.testimonial-author h4 { color: white; font-size: 1rem; margin-bottom: 0.2rem; }
.testimonial-author p { color: rgba(255,255,255,0.5); font-size: 0.82rem; }

/* ===== 校区分布 ===== */
.campuses { padding: 5rem 2rem; background: white; }
.campus-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.campus-card {
    background: #f8f7ff; border-radius: 16px; padding: 1.5rem;
    border: 1px solid #e8e0ff; transition: all 0.3s; text-align: center;
}
.campus-card:hover { border-color: #667eea; transform: translateY(-4px); box-shadow: 0 10px 25px rgba(102,126,234,0.15); }
.campus-card.main {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white; border-color: transparent;
}
.campus-card.main p, .campus-card.main .campus-addr { color: rgba(255,255,255,0.85); }
.campus-card.main .campus-tag { background: rgba(255,255,255,0.2); color: white; }
.campus-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.campus-card h3 { font-size: 1.1rem; font-weight: 700; color: #1a1a2e; margin-bottom: 0.4rem; }
.campus-card.main h3 { color: white; }
.campus-tag {
    display: inline-block; background: #f0eeff; color: #667eea;
    padding: 0.2rem 0.7rem; border-radius: 20px; font-size: 0.78rem;
    font-weight: 600; margin-bottom: 0.6rem;
}
.campus-card p { font-size: 0.85rem; color: #666; margin-bottom: 0.3rem; }
.campus-addr { font-size: 0.8rem; color: #999; margin-top: 0.4rem; }

/* ===== 联系我们 ===== */
.contact { padding: 5rem 2rem; background: #f8f7ff; }
.contact-content {  }
.contact-info { display: grid; grid-template-columns: 1fr 1.2fr; gap:16px; }
.contact-item {
    background: white; border-radius: 16px; padding: 1.5rem;
    display: flex; gap: 1.2rem; align-items: flex-start;
    box-shadow: 0 3px 15px rgba(0,0,0,0.06);
    border: 1px solid #f0eeff;
    transition: all 0.3s;
}
.contact-item:hover { border-color: #667eea; transform: translateX(4px); }
.contact-icon { font-size: 2rem; flex-shrink: 0; }
.contact-item h3 { font-size: 1rem; color: #1a1a2e; margin-bottom: 0.4rem; font-weight: 700; }
.contact-main { font-size: 1.2rem; font-weight: 700; color: #667eea; }
.contact-item p { font-size: 0.9rem; color: #555; }
.contact-note { font-size: 0.8rem; color: #999; margin-top: 0.3rem; }
.contact-form {
    background: white; border-radius: 20px; padding: 2.5rem;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
}
.contact-form h3 { font-size: 1.5rem; color: #1a1a2e; margin-bottom: 0.5rem; }
.contact-form > p { color: #888; font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 0.9rem 1.2rem;
    border: 2px solid #f0eeff; border-radius: 10px;
    font-size: 0.95rem; color: #333;
    transition: border-color 0.3s; outline: none;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: #667eea; }
.submit-btn {
    width: 100%; padding: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white; border: none; border-radius: 10px;
    font-size: 1.05rem; font-weight: 700; cursor: pointer;
    transition: all 0.3s;
}
.submit-btn:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 10px 25px rgba(102,126,234,0.4); }

/* ===== 页脚 ===== */
.footer-top { background: #0f0c29; padding: 3rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 2rem; }
.footer-brand h3 { font-size: 1.2rem; color: white; margin-bottom: 0.8rem; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; margin-bottom: 0.3rem; }
.footer-links h4, .footer-contact h4 { color: white; font-size: 1rem; margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.88rem; transition: color 0.3s; }
.footer-links a:hover { color: #a78bfa; }
.footer-contact p { color: rgba(255,255,255,0.5); font-size: 0.88rem; margin-bottom: 0.5rem; }
.footer-bottom {
    background: #080618; padding: 1.2rem 2rem; text-align: center;
}
.footer-bottom p { color: rgba(255,255,255,0.3); font-size: 0.82rem; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .hero-title { font-size: 2.2rem; }
    .hero-stats { gap: 1rem; }
    .about-content, .contact-content { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-menu { display: none; }
}
@media (max-width: 600px) {
    .hero-title { font-size: 1.8rem; }
    .stat-item { min-width: 120px; padding: 1rem; }
    .stat-number { font-size: 2rem; }
    .section-title { font-size: 1.8rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .teacher-grid { grid-template-columns: 1fr; }
    .leadership{padding: 5rem 0.3rem;}
    .leader-grid { grid-template-columns:none; /*grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));*/ gap: 3rem; }
}