.card-link{display:inline-block;margin-top:auto;font-size:15px;font-weight:600;color:var(--accent-cyan);transition:all .3s;text-align:right}
.card-link:hover{color:#fff;transform:translateX(4px)}

/* ============================================
   无限探索 - AI创意教育
   Dark AI Cyberpunk Theme - Compressed
   ============================================ */
:root{
--bg-deep:#06060e;--bg-primary:#0a0a1a;--bg-card:rgba(15,15,40,0.6);--bg-glass:rgba(255,255,255,0.03);
--accent-blue:#4a6cf7;--accent-cyan:#00d4ff;--accent-purple:#8b5cf6;--accent-pink:#ec4899;--accent-green:#10b981;
--text-primary:#ffffff;--text-secondary:#b8b8d0;--text-muted:#6b6b8a;
--gradient-1:linear-gradient(135deg,#4a6cf7,#8b5cf6);
--gradient-2:linear-gradient(135deg,#00d4ff,#4a6cf7);
--border-glass:rgba(255,255,255,0.08);--border-glow:rgba(74,108,247,0.3);
--shadow-glow:0 0 40px rgba(74,108,247,0.2),0 0 80px rgba(139,92,246,0.1);
--shadow-card:0 8px 32px rgba(0,0,0,0.3);
--font-body:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
--font-title:'PingFang SC','Microsoft YaHei','Helvetica Neue',-apple-system,sans-serif;
--nav-height:72px;--max-width:1200px;--radius:16px;
--ease-out-expo:cubic-bezier(0.16,1,0.3,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}
body{font-family:var(--font-body);background:var(--bg-deep);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto;display:block}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--accent-purple),var(--accent-blue));border-radius:3px}

/* Canvas */
#particleCanvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* Nav */
.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);z-index:1000;transition:all .4s var(--ease-out-expo);background:transparent}
.navbar.scrolled{background:rgba(10,10,26,0.75);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-glass);box-shadow:0 4px 30px rgba(0,0,0,0.3)}
.nav-container{max-width:var(--max-width);margin:0 auto;padding:0 2rem;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;z-index:10}
.logo-icon{font-size:28px;font-weight:900;background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo-text{font-size:20px;font-weight:700;letter-spacing:2px;font-family:var(--font-title)}
.nav-menu{display:flex;gap:1.5rem;align-items:center}
.nav-link{font-size:14px;font-weight:500;color:var(--text-secondary);position:relative;padding:6px 0;transition:color .3s}
.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-2);border-radius:1px;transition:width .3s var(--ease-out-expo)}
.nav-link:hover,.nav-link.active{color:#fff}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:10;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s var(--ease-out-expo)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Hero */
.hero{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;background:radial-gradient(ellipse at 50% 30%,rgba(74,108,247,0.15) 0%,transparent 70%),radial-gradient(ellipse at 80% 60%,rgba(139,92,246,0.1) 0%,transparent 60%),radial-gradient(ellipse at 20% 70%,rgba(0,212,255,0.08) 0%,transparent 60%)}
.hero-content{max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border:1px solid var(--border-glass);border-radius:50px;background:var(--bg-glass);font-size:14px;color:var(--text-secondary);margin-bottom:2rem;backdrop-filter:blur(10px)}
.badge-dot{width:8px;height:8px;background:var(--accent-cyan);border-radius:50%;animation:badgePulse 2s ease-in-out infinite;box-shadow:0 0 10px var(--accent-cyan)}
@keyframes badgePulse{0%,100%{opacity:1;box-shadow:0 0 10px var(--accent-cyan)}50%{opacity:.4;box-shadow:0 0 20px var(--accent-cyan)}}
.hero-title{font-family:var(--font-title);font-size:clamp(36px,7vw,72px);font-weight:900;line-height:1.2;margin-bottom:1.5rem;letter-spacing:4px}
.title-line{display:block}
.gradient-text{background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 30px rgba(0,212,255,0.3))}
.hero-subtitle{font-size:clamp(16px,2.5vw,20px);color:var(--text-secondary);margin-bottom:2.5rem;min-height:32px}
.cursor{display:inline-block;animation:blink .8s step-end infinite;color:var(--accent-cyan);font-weight:300}
@keyframes blink{50%{opacity:0}}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn-primary,.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-size:16px;font-weight:600;transition:all .3s var(--ease-out-expo);cursor:pointer}
.btn-primary{background:var(--gradient-1);color:#fff;border:none;box-shadow:0 4px 24px rgba(74,108,247,0.4);position:relative;overflow:hidden}
.btn-primary::before{content:'';position:absolute;inset:0;background:var(--gradient-2);opacity:0;transition:opacity .3s}
.btn-primary:hover::before{opacity:1}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(74,108,247,0.6)}
.btn-primary span,.btn-primary svg{position:relative;z-index:1}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary svg{transition:transform .3s}
.btn-outline{background:transparent;color:#fff;border:1px solid var(--border-glass);backdrop-filter:blur(10px)}
.btn-outline:hover{border-color:var(--accent-blue);background:rgba(74,108,247,0.1);transform:translateY(-2px);box-shadow:0 4px 20px rgba(74,108,247,0.2)}
.scroll-indicator{position:absolute;bottom:2rem;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:12px;animation:fadeInUp 1s 1.5s both}
.mouse{width:26px;height:40px;border:2px solid var(--text-muted);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.mouse-wheel{width:3px;height:8px;background:var(--accent-cyan);border-radius:2px;animation:scrollWheel 1.8s ease-in-out infinite}
@keyframes scrollWheel{0%{transform:translateY(0);opacity:1}100%{transform:translateY(12px);opacity:0}}

/* Sections */
.section{position:relative;z-index:1;padding:6rem 2rem}
.section-container{max-width:var(--max-width);margin:0 auto}
.section-header{text-align:center;margin-bottom:4rem}
.section-tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--accent-cyan);margin-bottom:1rem;padding:6px 16px;border:1px solid rgba(0,212,255,0.2);border-radius:50px;background:rgba(0,212,255,0.05)}
.section-title{font-family:var(--font-title);font-size:clamp(28px,5vw,48px);font-weight:900;letter-spacing:2px;margin-bottom:1rem}
.section-desc{font-size:18px;color:var(--text-secondary);max-width:600px;margin:0 auto}

/* Reveal */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s var(--ease-out-expo),transform .8s var(--ease-out-expo)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ====================================
   COURSE SECTIONS (插画全能班 / AI漫剧大师班)
   ==================================== */
.course-section{background:linear-gradient(180deg,transparent 0%,rgba(10,10,30,0.3) 40%,transparent 100%)}
.course-section.alt{background:linear-gradient(180deg,transparent 0%,rgba(20,10,40,0.4) 40%,transparent 100%)}
.subcourse-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:stretch}
.subcourse-card{position:relative;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);padding:2.5rem 2rem;transition:all .4s var(--ease-out-expo);overflow:hidden;display:flex;flex-direction:column}
.subcourse-card:hover{transform:translateY(-6px);border-color:var(--border-glow);box-shadow:0 20px 60px rgba(74,108,247,0.15)}
.subcourse-card.highlight{border-color:rgba(74,108,247,0.2);background:rgba(30,30,70,0.6)}
.subcourse-card .card-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at center,rgba(74,108,247,0.08) 0%,transparent 60%);opacity:0;transition:opacity .4s;pointer-events:none}
.subcourse-card:hover .card-glow{opacity:1}
.subcourse-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;padding:4px 14px;border-radius:50px;background:rgba(74,108,247,0.1);color:var(--accent-blue);margin-bottom:1.25rem;border:1px solid rgba(74,108,247,0.2)}
.subcourse-badge.accent{background:rgba(139,92,246,0.15);color:var(--accent-purple);border-color:rgba(139,92,246,0.3)}
.subcourse-icon{font-size:36px;margin-bottom:1rem}
.subcourse-card h3{font-size:20px;font-weight:700;margin-bottom:.75rem}
.subcourse-card p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:1.25rem;flex-shrink:0}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.card-tags li{font-size:12px;padding:4px 10px;border-radius:50px;background:rgba(74,108,247,0.08);border:1px solid rgba(74,108,247,0.15);color:var(--text-secondary)}



/* Features */
.features{background:linear-gradient(180deg,transparent 0%,rgba(10,10,30,0.5) 50%,transparent 100%)}
.stats-row{display:flex;justify-content:center;align-items:center;gap:3rem;margin-bottom:5rem;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-number{font-family:var(--font-title);font-size:clamp(36px,6vw,56px);font-weight:900;background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-plus{font-family:var(--font-title);font-size:clamp(20px,3vw,32px);font-weight:700;color:var(--accent-cyan)}
.stat-label{display:block;font-size:14px;color:var(--text-secondary);margin-top:4px}
.stat-divider{width:1px;height:48px;background:var(--border-glass)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.feature-item{padding:2rem;border-radius:var(--radius);background:var(--bg-glass);border:1px solid var(--border-glass);transition:all .3s var(--ease-out-expo)}
.feature-item:hover{background:rgba(74,108,247,0.05);border-color:var(--border-glow);transform:translateY(-4px)}
.feature-icon{font-size:32px;margin-bottom:1rem}
.feature-item h3{font-size:18px;font-weight:700;margin-bottom:.5rem}
.feature-item p{font-size:14px;color:var(--text-secondary);line-height:1.7}

/* Works */
.works{background:rgba(10,10,30,0.3)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.work-placeholder{grid-column:1/-1;aspect-ratio:16/5;border:2px dashed var(--border-glass);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;transition:border-color .3s}
.work-placeholder:hover{border-color:var(--border-glow)}
.placeholder-content{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--text-muted);font-size:16px}

/* ====================================
   HONORS ACCORDION
   ==================================== */
.honors{background:linear-gradient(180deg,transparent 0%,rgba(10,10,30,0.4) 50%,transparent 100%)}
.accordion{display:flex;gap:8px;height:520px;max-width:1100px;margin:0 auto}
.acc-panel{position:relative;flex:1;border-radius:20px;overflow:hidden;cursor:pointer;transition:flex .6s var(--ease-out-expo);border:1px solid var(--border-glass);min-width:60px}
.acc-panel.active{flex:3.5;border-color:var(--border-glow);box-shadow:0 0 60px rgba(74,108,247,0.2),inset 0 0 80px rgba(74,108,247,0.05)}
.acc-panel:hover:not(.active){flex:1.3;border-color:rgba(255,255,255,0.15)}
.acc-bg{position:absolute;inset:0}
.acc-bg img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out-expo)}
.acc-panel.active .acc-bg img{transform:scale(1.02)}
.acc-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,6,14,0.1) 0%,rgba(6,6,14,0.3) 40%,rgba(6,6,14,0.85) 100%);transition:background .6s}
.acc-panel.active .acc-overlay{background:linear-gradient(180deg,rgba(6,6,14,0.05) 0%,rgba(6,6,14,0.2) 50%,rgba(6,6,14,0.7) 100%)}
.acc-content{position:absolute;bottom:0;left:0;right:0;padding:2rem;z-index:2;transition:all .5s var(--ease-out-expo)}
.acc-panel:not(.active) .acc-content{padding:1.5rem 1rem;display:flex;flex-direction:column;align-items:center;text-align:center}
.acc-panel:not(.active) .acc-content h3{font-size:14px;writing-mode:vertical-rl;margin:8px 0}
.acc-panel:not(.active) .acc-content p,.acc-panel:not(.active) .acc-content .acc-icon{display:none}
.acc-number{font-family:var(--font-title);font-size:56px;font-weight:900;background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem;line-height:1;transition:all .5s}
.acc-panel:not(.active) .acc-number{font-size:20px;margin-bottom:0;-webkit-text-fill-color:var(--text-muted);background:none}
.acc-icon{font-size:32px;margin-bottom:.5rem}
.acc-content h3{font-size:22px;font-weight:700;margin-bottom:.5rem}
.acc-content p{font-size:14px;color:var(--text-secondary)}
.acc-glow-line{position:absolute;bottom:0;left:10%;width:80%;height:2px;background:var(--gradient-2);border-radius:1px;opacity:0;transition:opacity .5s;box-shadow:0 0 20px rgba(0,212,255,0.4)}
.acc-panel.active .acc-glow-line{opacity:1;animation:glowPulse 2s ease-in-out infinite}
@keyframes glowPulse{0%,100%{box-shadow:0 0 20px rgba(0,212,255,0.4)}50%{box-shadow:0 0 40px rgba(0,212,255,0.8),0 0 80px rgba(74,108,247,0.4)}}


/* Campus */
.campus{background:rgba(10,10,30,0.3)}
.campus-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.campus-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-glass);transition:all .4s var(--ease-out-expo);cursor:pointer}
.campus-card:hover{transform:translateY(-4px);border-color:var(--border-glow);box-shadow:0 20px 60px rgba(74,108,247,0.15)}
.campus-img-frame{position:relative;overflow:hidden;aspect-ratio:4/3;background:rgba(0,0,0,0.3)}
.campus-img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out-expo)}
.campus-card:hover .campus-img-frame img{transform:scale(1.05)}
.campus-label{padding:1rem 1.5rem;font-size:15px;font-weight:600;text-align:center;color:var(--text-secondary);border-top:1px solid var(--border-glass);transition:color .3s}
.campus-card:hover .campus-label{color:#fff}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-desc{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:1rem}
.about-values{margin-top:2rem;display:flex;flex-direction:column;gap:1rem}
.value-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem;border-radius:12px;background:var(--bg-glass);border:1px solid var(--border-glass)}
.value-icon{font-size:24px;flex-shrink:0}
.value-item strong{display:block;font-size:15px;margin-bottom:2px}
.value-item p{font-size:13px;color:var(--text-secondary)}
.about-visual{display:flex;justify-content:center;align-items:center}
.about-orb{position:relative;width:300px;height:300px;display:flex;align-items:center;justify-content:center}
.orb-ring{position:absolute;border-radius:50%;border:1px solid var(--border-glass);animation:orbSpin 10s linear infinite}
.ring-1{width:100%;height:100%;border-color:rgba(74,108,247,0.2);animation-duration:12s}
.ring-2{width:75%;height:75%;border-color:rgba(139,92,246,0.2);animation-duration:8s;animation-direction:reverse}
.ring-3{width:50%;height:50%;border-color:rgba(0,212,255,0.2);animation-duration:6s}
.orb-core{width:80px;height:80px;border-radius:50%;background:var(--gradient-1);display:flex;align-items:center;justify-content:center;box-shadow:0 0 60px rgba(74,108,247,0.4);animation:orbPulse 3s ease-in-out infinite}
.orb-core span{font-size:36px;font-weight:900;color:#fff}
@keyframes orbSpin{to{transform:rotate(360deg)}}
@keyframes orbPulse{0%,100%{box-shadow:0 0 60px rgba(74,108,247,0.4)}50%{box-shadow:0 0 100px rgba(139,92,246,0.6)}}

/* Footer */
.footer{position:relative;z-index:1;padding:5rem 2rem 2rem;background:rgba(6,6,14,0.9);border-top:1px solid var(--border-glass);overflow:hidden}
.footer-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at 50% 0%,black 40%,transparent 70%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:3rem;margin-bottom:3rem;position:relative}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:1rem}
.footer-logo .logo-icon{font-size:28px}
.footer-logo span:last-child{font-family:var(--font-title);font-size:18px;font-weight:700}
.footer-brand p{font-size:14px;color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem}
.footer-social{display:flex;gap:12px}
.social-link{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-glass);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .3s}
.social-link svg{width:18px;height:18px}
.social-link:hover{color:#fff;border-color:var(--accent-blue);background:rgba(74,108,247,0.15);box-shadow:0 0 20px rgba(74,108,247,0.2)}
.footer-links h4,.footer-contact h4{font-size:15px;font-weight:700;margin-bottom:1.25rem;color:#fff}
.footer-links ul,.footer-contact ul{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-secondary);transition:color .3s}
.footer-links a:hover{color:var(--accent-cyan)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-secondary)}
.footer-contact li svg{flex-shrink:0;color:var(--accent-blue)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:2rem;border-top:1px solid var(--border-glass);font-size:13px;color:var(--text-muted);position:relative}
.footer-bottom-links{display:flex;gap:1.5rem}
.footer-bottom-links a{color:var(--text-muted);transition:color .3s}
.footer-bottom-links a:hover{color:var(--text-secondary)}

/* ====================================
   RESPONSIVE - Comprehensive Mobile
   ==================================== */

/* Tablet: 768-1024px */
@media(max-width:1024px){
.features-grid{grid-template-columns:repeat(2,1fr)}
.about-grid{grid-template-columns:1fr}
.about-visual{order:-1}
.about-orb{width:200px;height:200px}
.footer-grid{grid-template-columns:1fr 1fr}
.subcourse-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
.masonry{column-count:2}
.section-title{font-size:32px!important}
.hero-title{font-size:clamp(32px,6vw,52px)!important}
}

/* Phone: < 768px */
@media(max-width:768px){
/* Nav */
.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:rgba(10,10,26,0.95);backdrop-filter:blur(30px);flex-direction:column;padding:100px 2rem 2rem;border-left:1px solid var(--border-glass);transition:right .4s var(--ease-out-expo)}
.nav-menu.active{right:0}
.nav-toggle{display:flex}

/* Hero */
.hero{min-height:85vh;padding:1.5rem}
.hero-title{font-size:clamp(28px,7vw,42px)!important;letter-spacing:2px}
.hero-badge{font-size:12px;padding:6px 14px}
.hero-subtitle{font-size:15px}
.hero-cta{flex-direction:column;align-items:center}
.btn-primary,.btn-outline{width:100%;max-width:280px;justify-content:center;padding:12px 24px;font-size:15px}

/* Sections */
.section{padding:3rem 1rem}
.section-header{margin-bottom:2.5rem}
.section-desc{font-size:15px;padding:0 1rem}
.section-title{font-size:26px!important;letter-spacing:1px}
.section-tag{font-size:11px;letter-spacing:2px}

/* Courses */
.subcourse-grid{grid-template-columns:1fr;max-width:100%}
.subcourse-card{padding:1.75rem 1.25rem}
.subcourse-card h3{font-size:18px}

/* Features */
.features-grid{grid-template-columns:1fr}
.stats-row{flex-wrap:wrap;gap:1rem;justify-content:space-around}
.stat-divider{display:none}
.stat-number{font-size:38px!important}
.stat-plus{font-size:22px!important}
.stat-label{font-size:12px}
.feature-item{padding:1.5rem 1.25rem}

/* Honors accordion */
.accordion{flex-direction:column;height:auto;gap:6px}
.acc-panel{min-height:64px}
.acc-panel.active{min-height:280px}
.acc-panel:not(.active) .acc-content{flex-direction:row;align-items:center;gap:12px}
.acc-panel:not(.active) .acc-content h3{writing-mode:horizontal-tb;font-size:15px}
.acc-content h3{font-size:18px}
.acc-number{font-size:36px}
.acc-panel:not(.active) .acc-number{font-size:16px}

/* Campus */
.campus-grid{grid-template-columns:1fr}
.campus-label{font-size:13px;padding:.75rem 1rem}

/* Teachers */
.teachers-carousel-track{grid-template-columns:repeat(2,1fr);gap:1rem}
.teacher-card h3{font-size:14px;padding:.75rem}
.wct-btn{padding:10px 20px;font-size:14px}

/* Works */
.works-filters{gap:6px;margin-bottom:1.5rem;padding:0 .5rem}
.wf-btn{padding:6px 14px;font-size:12px}
.works-category-tabs{flex-direction:row;gap:.5rem}
.works-category-tabs .wct-btn{padding:10px 18px;font-size:14px}
.masonry{column-count:1;max-width:100%}
.lightbox .lb-prev,.lightbox .lb-next{width:36px;height:36px}
.lb-close{top:10px;right:10px;width:36px;height:36px;font-size:24px}

/* About */
.about-grid{grid-template-columns:1fr;gap:2rem}
.about-orb{width:180px;height:180px}
.about-desc{font-size:14px}
.value-item{padding:.75rem}
.value-item strong{font-size:14px}

/* Footer */
.footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
.footer-bottom{flex-direction:column;gap:.75rem;text-align:center;font-size:12px}
.footer-brand p{font-size:13px}
.footer-links h4,.footer-contact h4{font-size:14px;margin-bottom:.75rem}
.footer-links a,.footer-contact li{font-size:13px}
.footer{padding:3rem 1.5rem 1.5rem}
}

/* Small phone: < 480px */
@media(max-width:480px){
.nav-container{padding:0 1rem}
.logo-text{font-size:17px}
.hero{padding:1rem;min-height:80vh}
.hero-title{font-size:26px!important}
.btn-primary,.btn-outline{max-width:100%;font-size:14px;padding:12px 20px}
.stats-row{gap:.75rem}
.stat-number{font-size:32px!important}
.stat-plus{font-size:18px!important}
.teachers-carousel-track{grid-template-columns:repeat(2,1fr);gap:.5rem}
.teacher-card h3{font-size:13px}
.teacher-poster{aspect-ratio:2/3}
.footer-grid{grid-template-columns:1fr;gap:1.25rem}
.works-category-tabs{flex-direction:column;align-items:center;gap:.5rem}
.works-category-tabs .wct-btn{width:100%;max-width:240px;text-align:center}
.accordion .acc-panel{min-height:56px}
.accordion .acc-panel.active{min-height:240px}
.campus-img-frame{aspect-ratio:16/9}
.honor-img-frame{aspect-ratio:16/9}
}

@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ====================================
   TEACHERS - Tabbed Carousel
   ==================================== */
.teachers{background:linear-gradient(180deg,transparent 0%,rgba(10,10,30,0.5) 50%,transparent 100%)}
.teachers-tabs{display:flex;justify-content:center;gap:.75rem;margin-bottom:2.5rem}
.tt-btn{padding:10px 28px;border-radius:50px;font-size:15px;font-weight:600;border:1px solid var(--border-glass);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .3s var(--ease-out-expo)}
.tt-btn:hover{border-color:var(--border-glow);color:#fff}
.tt-btn.active{background:var(--gradient-1);border-color:transparent;color:#fff;box-shadow:0 4px 20px rgba(74,108,247,0.4)}
.teachers-panel{display:none}
.teachers-panel.active{display:block}
.teachers-carousel-track{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem}
.teacher-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-glass);transition:all .4s var(--ease-out-expo);cursor:pointer}
.teacher-card:hover{transform:translateY(-6px);border-color:var(--border-glow);box-shadow:0 20px 60px rgba(74,108,247,0.2)}
.teacher-poster{position:relative;aspect-ratio:3/4;overflow:hidden;background:rgba(0,0,0,0.3)}
.teacher-poster img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out-expo)}
.teacher-card:hover .teacher-poster img{transform:scale(1.06)}
.teacher-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,6,14,0.9) 100%);opacity:0;transition:opacity .4s;display:flex;align-items:flex-end;justify-content:center;padding-bottom:2rem}
.teacher-card:hover .teacher-overlay{opacity:1}
.teacher-overlay-content{text-align:center}
.teacher-see-more{font-size:14px;font-weight:600;color:var(--accent-cyan);padding:8px 20px;border:1px solid var(--accent-cyan);border-radius:50px;transition:all .3s}
.teacher-card h3{font-size:16px;font-weight:700;text-align:center;padding:1rem;border-top:1px solid var(--border-glass)}


/* ====================================
   WORKS - Masonry Gallery + Filters
   ==================================== */
.works{background:linear-gradient(180deg,transparent 0%,rgba(10,10,30,0.4) 50%,transparent 100%)}
.works-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:.6rem;margin-bottom:2.5rem}
.wf-btn{padding:8px 18px;border-radius:50px;font-size:13px;font-weight:600;border:1px solid var(--border-glass);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .3s var(--ease-out-expo)}
.wf-btn:hover,.wf-btn.active{border-color:var(--accent-cyan);color:var(--accent-cyan);background:rgba(0,212,255,0.05)}
.wf-btn.active{box-shadow:0 0 16px rgba(0,212,255,0.15)}

/* Masonry */
.masonry{column-count:3;column-gap:1rem;max-width:1100px;margin:0 auto}
.masonry-item{break-inside:avoid;margin-bottom:1rem;border-radius:var(--radius);overflow:hidden;cursor:pointer;position:relative;border:1px solid var(--border-glass);background:var(--bg-card);transition:all .4s var(--ease-out-expo)}
.masonry-item:hover{transform:translateY(-4px);border-color:var(--border-glow);box-shadow:0 16px 48px rgba(74,108,247,0.15);z-index:2}
.masonry-item img{width:100%;display:block;transition:transform .6s var(--ease-out-expo)}
.masonry-item:hover img{transform:scale(1.04)}
.masonry-item .mi-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(6,6,14,0.85) 100%);opacity:0;transition:opacity .35s;display:flex;align-items:flex-end;padding:1rem}
.masonry-item:hover .mi-overlay{opacity:1}
.mi-cat{font-size:11px;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:1px}
.mi-name{font-size:12px;color:var(--text-secondary);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.works-loadmore{text-align:center;margin-top:2.5rem}
.works-loadmore .btn-outline{padding:12px 36px;font-size:15px}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center}
.lightbox.open{display:flex}
.lb-backdrop{position:absolute;inset:0;background:rgba(6,6,14,0.95);backdrop-filter:blur(20px)}
.lb-close,.lb-prev,.lb-next{position:absolute;z-index:10;background:rgba(255,255,255,0.05);border:1px solid var(--border-glass);color:#fff;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(74,108,247,0.2);border-color:var(--accent-blue)}
.lb-close{top:20px;right:20px;width:44px;height:44px;font-size:28px}
.lb-prev{left:20px;top:50%;transform:translateY(-50%);width:48px;height:48px}
.lb-next{right:20px;top:50%;transform:translateY(-50%);width:48px;height:48px}
.lb-img-wrap{position:relative;z-index:5;max-width:90vw;max-height:90vh}
.lb-img-wrap img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:8px;box-shadow:0 0 80px rgba(74,108,247,0.15)}




/* Masonry lazy-load placeholder */
.mi-placeholder{position:relative;width:100%;aspect-ratio:auto;background:linear-gradient(135deg,rgba(15,15,40,0.8),rgba(20,20,50,0.6));display:flex;align-items:center;justify-content:center;min-height:180px}
.masonry-item.loaded .mi-placeholder{display:none}
.masonry-item img{width:100%;display:block;transition:transform .6s var(--ease-out-expo);position:relative;z-index:1}
.masonry-item.loaded img{animation:imgReveal .4s ease}
@keyframes imgReveal{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.mi-spinner{width:24px;height:24px;border:2px solid rgba(74,108,247,0.2);border-top-color:var(--accent-cyan);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Teacher data-src lazy load */


/* Category tabs (插画 / AI漫剧) */
.works-category-tabs{display:flex;justify-content:center;gap:1rem;margin-bottom:1rem}
.wct-btn{padding:12px 36px;border-radius:50px;font-size:16px;font-weight:700;border:1px solid var(--border-glass);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .3s var(--ease-out-expo)}
.wct-btn:hover{border-color:var(--border-glow);color:#fff}
.wct-btn.active{background:var(--gradient-1);border-color:transparent;color:#fff;box-shadow:0 4px 24px rgba(74,108,247,0.4)}
.works-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}


/* Masonry container - fixed transition */
.masonry{transition:height .4s ease}
.masonry-wrap{max-width:1100px;margin:0 auto;position:relative}