/* =========================================
   Headwind Club - Creative Design
   动态 · 创意 · 独特
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
    --primary: #0066cc;
    --primary-dark: #0052a3;
    --accent: #00d4aa;
    --dark: #0f1923;
    --dark-light: #1a2a3a;
    --white: #ffffff;
    --gray-100: #f4f7fa;
    --gray-200: #e8ecf1;
    --gray-600: #6b7c8f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', -apple-system, sans-serif; background: var(--dark); color: var(--white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }

/* Wave Background */
.wave-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2137 100%);
    overflow: hidden;
}
.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 200px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%230066cc" fill-opacity="0.1" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') repeat-x;
    background-size: 50% 100%;
    animation: wave 20s linear infinite;
}
.wave:nth-child(2) {
    bottom: 10px;
    opacity: 0.5;
    animation: wave 15s linear infinite reverse;
}
.wave:nth-child(3) {
    bottom: 20px;
    opacity: 0.3;
    animation: wave 25s linear infinite;
}
@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 15s infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
    transition: all 0.4s ease;
}
.nav.scrolled {
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
}
.nav-logo img { height: 36px; }
.nav-logo span {
    color: var(--white);
}
.nav-links {
    display: none;
    gap: 40px;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    position: relative;
    padding: 8px 0;
    transition: color 0.3s;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after { width: 100%; }
.nav-cta {
    background: var(--accent);
    color: var(--dark) !important;
    padding: 10px 24px !important;
    border-radius: 30px;
    font-weight: 600 !important;
    transition: all 0.3s !important;
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(0,212,170,0.4); }
.nav-cta::after { display: none !important; }
.nav-menu-btn {
    display: flex;
    width: 32px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}
.nav-menu-btn span { width: 100%; height: 2px; background: var(--white); transition: all 0.3s; }
.nav-menu-btn:hover span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.nav-menu-btn:hover span:nth-child(2) { opacity: 0; }
.nav-menu-btn:hover span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 25, 35, 0.98);
    z-index: 2000;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
    font-size: 28px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    transition: all 0.3s;
}
.mobile-menu a:hover { color: var(--accent); transform: scale(1.1); }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 60px;
    position: relative;
}
.hero-content { max-width: 900px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,212,170,0.1);
    border: 1px solid rgba(0,212,170,0.3);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}
.hero-title {
    font-size: clamp(48px, 10vw, 96px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent) 0%, #00ffcc 100%);
}
.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}
.hero-scroll span { font-size: 12px; color: rgba(255,255,255,0.5); }
.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 12px;
    position: relative;
}
.scroll-mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
}
@keyframes scrollWheel {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #00e6b8 100%);
    color: var(--dark);
    box-shadow: 0 4px 20px rgba(0,212,170,0.3);
}
.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0,212,170,0.5);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* Sections */
.section {
    padding: 100px 24px;
    position: relative;
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.6);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}
.about-img {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}
.about-img img {
    width: 100%;
    transition: transform 0.6s ease;
}
.about-img:hover img { transform: scale(1.1); }
.about-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,212,170,0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s;
}
.about-img:hover::after { opacity: 1; }
.about-content { display: flex; flex-direction: column; gap: 24px; }
.about-content h3 {
    font-size: 28px;
    font-weight: 700;
}
.about-content p {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}
.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
}
.about-feature {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.about-feature:hover {
    background: rgba(0,212,170,0.1);
    border-color: rgba(0,212,170,0.3);
    transform: translateY(-5px);
}
.about-feature .icon { font-size: 28px; margin-bottom: 12px; }
.about-feature h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.about-feature p { font-size: 13px; color: rgba(255,255,255,0.5); }

/* Philosophy - 3D Cards */
.philosophy-section { background: linear-gradient(180deg, transparent, rgba(0,212,170,0.03), transparent); }
.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}
.philosophy-card {
    position: relative;
    height: 320px;
    perspective: 1000px;
    cursor: pointer;
}
.philosophy-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}
.philosophy-card:hover .philosophy-card-inner,
.philosophy-card.flipped .philosophy-card-inner {
    transform: rotateY(180deg);
}
.philosophy-card-front, .philosophy-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow-wrap: break-word;
    word-wrap: break-word;
}
.philosophy-card-front {
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    border: 1px solid rgba(255,255,255,0.1);
}
.philosophy-num {
    font-size: 80px;
    font-weight: 900;
    color: rgba(0,212,170,0.2);
    line-height: 1;
    margin-bottom: 16px;
}
.philosophy-card-front h3 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.philosophy-card-front p { font-size: 14px; color: rgba(255,255,255,0.5); }
.philosophy-card-back {
    background: linear-gradient(135deg, var(--accent), #00b894);
    transform: rotateY(180deg);
}
.philosophy-card-back p { font-size: 16px; color: var(--dark); font-weight: 500; line-height: 1.7; }
.flip-hint {
    position: absolute;
    bottom: 16px;
    right: 16px;
    font-size: 11px;
    color: rgba(255,255,255,0.3);
}

/* Programs - Hover Expand */
.programs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.program-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}
.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.program-card:hover::before,
.program-card.expanded::before { transform: scaleX(1); }
.program-card:hover,
.program-card.expanded {
    background: rgba(255,255,255,0.08);
    border-color: rgba(0,212,170,0.3);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.program-card.featured {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
}
.program-card.featured::before { display: none; }
.program-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--dark);
    font-size: 11px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 20px;
}
.program-icon { font-size: 56px; margin-bottom: 20px; }
.program-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.program-card > p { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 24px; }
.program-list {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}
.program-card:hover .program-list,
.program-card.expanded .program-list,
.program-card.featured .program-list {
    max-height: 200px;
    opacity: 1;
}
.program-list li {
    padding: 10px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 10px;
}
.program-list li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

/* Honors - Counter Animation */
.honors-section { background: linear-gradient(180deg, transparent, rgba(0,102,204,0.05), transparent); }
.honors-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 0 auto 60px;
}
.honor-stat {
    text-align: center;
    padding: 32px;
    background: rgba(255,255,255,0.03);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.4s;
}
.honor-stat:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: rgba(0,212,170,0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.honor-medal {
    font-size: 48px;
    margin-bottom: 12px;
}
.honor-num {
    display: block;
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffd700, #ffb347);
}
.honor-stat.silver .honor-num {
    background: linear-gradient(135deg, #e0e0e0, #a0a0a0);
}
.honor-stat.bronze .honor-num {
    background: linear-gradient(135deg, #cd7f32, #a0522d);
}
.honor-label { font-size: 14px; color: rgba(255,255,255,0.6); }
.honors-list { max-width: 800px; margin: 0 auto; }
.honor-item {
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 24px;
}
.honor-item:hover {
    background: rgba(255,255,255,0.06);
    transform: translateX(10px);
}
.honor-icon { font-size: 36px; }
.honor-info h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.honor-result { font-size: 18px; font-weight: 700; color: var(--accent); }
.honor-detail { font-size: 13px; color: rgba(255,255,255,0.5); }

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}
.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.gallery-item:first-child { grid-column: span 2; }
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.gallery-item:hover img,
.gallery-item.overlay-visible img { transform: scale(1.1); }
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.4s;
}
.gallery-item:hover .gallery-overlay,
.gallery-item.overlay-visible .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: white; font-size: 14px; font-weight: 500; }

/* Contact */
.contact-section { background: linear-gradient(180deg, transparent, rgba(0,212,170,0.03), transparent); }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}
.contact-form-wrap {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 40px;
}
.contact-form-wrap h3 { font-size: 24px; font-weight: 700; margin-bottom: 32px; text-align: center; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 8px; color: rgba(255,255,255,0.7); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--white);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s;
}
.form-group select option {
    background: #1a1a2e;
    color: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0,212,170,0.05);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group textarea { min-height: 120px; resize: vertical; }
.contact-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
    cursor: pointer;
}
.contact-card:hover {
    background: rgba(0,212,170,0.1);
    border-color: rgba(0,212,170,0.3);
    transform: translateX(10px);
}
.contact-icon { font-size: 36px; }
.contact-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.contact-card p { font-size: 14px; color: rgba(255,255,255,0.6); }
.contact-card .value { font-size: 18px; font-weight: 600; color: var(--accent); }

/* Footer */
.footer {
    background: rgba(0,0,0,0.3);
    padding: 60px 24px 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-inner { max-width: 1000px; margin: 0 auto; text-align: center; }
.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}
.footer-logo img { height: 40px; }
.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

/* Responsive */
@media (min-width: 768px) {
    .nav-links { display: flex; }
    .nav-menu-btn { display: none !important; }
    .about-grid { grid-template-columns: 1fr 1fr; }
    .philosophy-grid { grid-template-columns: repeat(3, 1fr); }
    .programs-grid { grid-template-columns: repeat(3, 1fr); }
    .program-card.featured { transform: scale(1.03); }
    .honors-stats { max-width: 800px; }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(4, 1fr); }
    .gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
}

@media (min-width: 1024px) {
    .section { padding: 120px 48px; }
    .about-feature { padding: 24px; }
}

/* =========================================
   iPad 适配 768-1023px
   ========================================= */

/* 通用 iPad 调整 */
@media (min-width: 768px) and (max-width: 1023px) {
    .section { padding: 80px 32px; }
    .section-header { margin-bottom: 48px; }
    .hero { padding: 90px 32px 50px; }
    .hero-title { font-size: clamp(48px, 8vw, 72px); }
    .about-feature { padding: 16px; }
    .about-features { gap: 12px; }
    .contact-form-wrap { padding: 32px; }
}

/* iPad Mini Portrait (768-834px) */
@media (max-width: 834px) and (min-width: 768px) {
    /* Navigation */
    .nav-links { gap: 12px; }
    .nav-links a { font-size: 13px; }
    .nav-cta { padding: 8px 16px !important; }

    /* Philosophy - 3卡2列 */
    .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
    .philosophy-card { height: 280px; }
    .philosophy-card-front, .philosophy-card-back { padding: 24px; }
    .philosophy-num { font-size: 48px; margin-bottom: 8px; }
    .philosophy-card-front h3 { font-size: 20px; }
    .philosophy-card-front p { font-size: 13px; }
    .philosophy-card-back p { font-size: 14px; line-height: 1.6; }

    /* Programs - 2列 */
    .programs-grid { grid-template-columns: repeat(2, 1fr); }
    .program-card { padding: 24px; }
    .program-icon { font-size: 40px; }
    .program-card h3 { font-size: 20px; }

    /* Gallery - 3列 */
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }

    /* Honors */
    .honor-stat { padding: 20px; }
    .honor-num { font-size: 40px; }
    .honor-medal { font-size: 36px; }
    .honors-stats { gap: 16px; }
}

/* iPad Pro Portrait (835-1023px) */
@media (min-width: 835px) and (max-width: 1023px) {
    /* Navigation */
    .nav-links { gap: 20px; }
    .nav-cta { padding: 8px 20px !important; }

    /* Philosophy - 保留3列，缩小padding/字号适配窄卡 */
    .philosophy-card { height: 280px; }
    .philosophy-card-front, .philosophy-card-back { padding: 20px; }
    .philosophy-num { font-size: 48px; margin-bottom: 6px; }
    .philosophy-card-front h3 { font-size: 20px; }
    .philosophy-card-front p { font-size: 13px; }
    .philosophy-card-back p { font-size: 14px; line-height: 1.6; }

    /* Programs - 保留3列更紧凑 */
    .program-card { padding: 28px 24px; }
    .program-icon { font-size: 48px; }

    /* Gallery - 3列 */
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }

    /* Honors */
    .honor-num { font-size: 48px; }
}

/* Mobile Enhancement */
@media (max-width: 767px) {
    /* Nav */
    .nav { height: 60px; }
    .nav-inner { padding: 0 16px; }
    .nav-logo span { font-size: 16px; }
    .nav-logo img { height: 28px; }
    .nav-menu-btn {
        width: 28px;
        height: 22px;
        display: flex !important;
    }
    .nav-menu-btn span { width: 100%; height: 2px; }
    /* Mobile Menu */
    .mobile-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 25, 35, 0.98);
        z-index: 999;
        display: none;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 60px;
        gap: 0;
    }
    .mobile-menu.active { display: flex; }
    .mobile-menu a {
        font-size: 20px;
        padding: 20px 32px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        color: rgba(255,255,255,0.8);
        text-align: center;
    }
    /* Hero */
    .hero { padding: 80px 16px 40px; min-height: 85vh; }
    .hero-content { max-width: 100%; }
    .hero-badge { font-size: 12px; padding: 8px 16px; margin-bottom: 20px; }
    .hero-title { font-size: 48px; }
    .hero-subtitle { font-size: 15px; margin-bottom: 32px; }
    .hero-btns { flex-direction: column; width: 100%; max-width: 280px; margin: 0 auto; }
    .hero-scroll { display: none; }
    /* Buttons */
    .btn { width: 100%; justify-content: center; padding: 16px 24px; font-size: 15px; }
    /* Sections */
    .section { padding: 60px 16px; }
    .section-header { margin-bottom: 40px; }
    .section-title { font-size: 32px; }
    .section-desc { font-size: 15px; }
    /* About */
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-img { order: -1; }
    .about-features { grid-template-columns: 1fr 1fr; gap: 12px; }
    .about-feature { padding: 16px; }
    .about-feature .icon { font-size: 24px; margin-bottom: 8px; }
    .about-feature h4 { font-size: 14px; }
    .about-feature p { font-size: 12px; }
    /* Philosophy Cards */
    .philosophy-grid { grid-template-columns: 1fr; gap: 24px; }
    .philosophy-card { height: 280px; }
    .philosophy-card-front, .philosophy-card-back { padding: 28px 24px; }
    .philosophy-num { font-size: 56px; }
    .philosophy-card-front h3 { font-size: 24px; }
    .philosophy-card-front p { font-size: 13px; }
    .philosophy-card-back p { font-size: 14px; }
    /* Programs */
    .programs-grid { grid-template-columns: 1fr; gap: 20px; }
    .program-card { padding: 32px 24px; }
    .program-icon { font-size: 48px; }
    .program-card h3 { font-size: 22px; }
    .program-list { max-height: 150px; }
    /* Gallery */
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .gallery-item:first-child { grid-column: span 2; grid-row: span 1; aspect-ratio: 16/9; }
    .gallery-item { aspect-ratio: 16/9; }
    .gallery-overlay span { font-size: 12px; padding: 16px; }
    /* Honors */
    .honors-stats { gap: 16px; }
    .honor-stat { padding: 24px 16px; }
    .honor-medal { font-size: 40px; }
    .honor-num { font-size: 48px; }
    .honor-label { font-size: 13px; }
    .honor-item { flex-direction: column; gap: 16px; text-align: center; }
    .honor-icon { font-size: 48px; }
    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 20px; }
    .contact-form-wrap { padding: 32px 24px; }
    .contact-form-wrap h3 { font-size: 20px; margin-bottom: 24px; }
    .form-row { grid-template-columns: 1fr; gap: 16px; }
    .form-group { margin-bottom: 16px; }
    .form-group input, .form-group select, .form-group textarea { padding: 14px 16px; font-size: 15px; }
    .form-group label { font-size: 13px; }
    .contact-cards { gap: 16px; }
    .contact-card { padding: 24px 20px; flex-direction: row; }
    .contact-icon { font-size: 40px; }
    .contact-card h4 { font-size: 15px; }
    .contact-card p { font-size: 13px; }
    .contact-card .value { font-size: 18px; }
    /* Footer */
    .footer { padding: 40px 16px; }
    .footer-logo { font-size: 20px; }
    .footer-logo img { height: 32px; }
    .footer-links { gap: 16px; }
    .footer-links a { font-size: 13px; }
    .footer-copy { font-size: 12px; }
}

/* Extra Small Devices */
@media (max-width: 375px) {
    .hero-title { font-size: 40px; }
    .section-title { font-size: 28px; }
    .about-features { grid-template-columns: 1fr; }
    .honor-stat { padding: 20px 12px; }
    .honor-num { font-size: 40px; }
}
/* Mobile Menu Close Button */
.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--white);
    font-size: 32px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.mobile-menu-close:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}