*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ffffff;--bg2:#f5f5f8;
  --card:#fff;--border:#e8e8ef;
  --text:#333;--muted:#999;
  --accent:#5b5bd6;--pink:#e05f8a;--green:#2db89d;--gold:#f0a030;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden}
img{display:block;max-width:100%}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:all .3s}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.06)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:60px}
.nav-logo{font-size:1.05rem;font-weight:800;color:#222;text-decoration:none;letter-spacing:2px}
.nav-links{display:flex;gap:24px}
.nav-links a{color:#888;text-decoration:none;font-size:.82rem;transition:color .2s;letter-spacing:.5px}
.nav-links a:hover{color:#222}
.nav-toggle{display:none;background:none;border:none;color:#333;font-size:1.5rem;cursor:pointer}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:60px;left:0;right:0;background:rgba(255,255,255,0.98);flex-direction:column;padding:20px 28px;gap:14px;border-bottom:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,0.06)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}

/* 首页 */
.hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.5s ease}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,0.3) 0%,rgba(255,255,255,0.6) 50%,rgba(255,255,255,0.95) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 24px}
.hero-loc{font-size:.85rem;color:var(--accent);letter-spacing:6px;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:3.5rem;font-weight:900;color:#111;letter-spacing:4px;margin-bottom:8px;line-height:1.2}
.hero-highlight{color:var(--accent)}
.hero-addr{font-size:1rem;color:#777;letter-spacing:3px;margin-bottom:20px}
.hero-quote{font-size:1.05rem;color:#aaa;font-style:italic;margin-bottom:40px}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-bottom:36px}
.stat span{font-size:2.2rem;font-weight:800;color:#111;display:block}
.stat p{font-size:.78rem;color:#999;margin-top:2px;letter-spacing:1px}
.hero-btn{display:inline-block;padding:14px 42px;background:var(--accent);color:#fff;text-decoration:none;border-radius:10px;font-weight:700;font-size:.95rem;letter-spacing:1px;transition:all .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(91,91,214,0.25)}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;text-align:center}
.scroll-line{width:1px;height:40px;background:linear-gradient(var(--accent),transparent);margin:0 auto 8px;animation:scrollPulse 2s infinite}
@keyframes scrollPulse{0%,100%{opacity:.3}50%{opacity:1}}
.hero-scroll span{font-size:.7rem;color:#aaa;letter-spacing:2px}
@media(max-width:600px){
  .hero h1{font-size:2rem}
  .hero-stats{gap:20px}
  .stat span{font-size:1.4rem}
  .section{padding:50px 0}
  .section-header h2{font-size:1.4rem}
  .campus-masonry{grid-template-columns:repeat(2,1fr)}
  .campus-wide{grid-column:span 1}
  .campus-tall{grid-row:span 1}
  .food-grid{grid-template-columns:1fr}
  .food-large{grid-column:span 1}
  .teacher-grid{grid-template-columns:1fr}
  .confess-grid{grid-template-columns:1fr}
  .miss-cards{grid-template-columns:1fr}
  .gallery-grid{columns:2}
  .nav{backdrop-filter:none}
  .comment-form{padding:14px}
  *{animation-duration:0s!important;transition-duration:0.1s!important}
}

/* 通用 */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-alt{background:var(--bg2)}
.section-header{text-align:center;margin-bottom:48px}
.section-num{font-size:.75rem;color:var(--accent);letter-spacing:4px;font-weight:700}
.section-header h2{font-size:2rem;font-weight:800;color:#111;margin:8px 0;letter-spacing:2px}
.section-desc{color:#999;font-size:.92rem}

/* 美食 */
.food-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.food-card{display:block;position:relative;border-radius:16px;overflow:hidden;cursor:pointer;transition:transform .3s;box-shadow:0 2px 12px rgba(0,0,0,0.04);opacity:0;transform:translateY(20px);text-decoration:none;color:inherit}
.food-card.visible{opacity:1;transform:translateY(0)}
.food-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.1)}
.food-large{grid-column:span 2}
.food-img{width:100%;height:220px;background-size:cover;background-position:center}
.food-large .food-img{height:280px}
.food-info{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,0.8))}
.food-tag{display:inline-block;padding:3px 10px;background:var(--accent);color:#fff;border-radius:4px;font-size:.75rem;font-weight:600;margin-bottom:6px}
.food-info p{font-size:.82rem;color:rgba(255,255,255,0.85);line-height:1.5}
.food-stars{font-size:.75rem;color:var(--gold);margin-top:4px}
@media(max-width:768px){.food-grid{grid-template-columns:1fr 1fr}.food-large{grid-column:span 1}}
@media(max-width:480px){.food-grid{grid-template-columns:1fr}}

/* 校园 masonry */
.campus-masonry{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:40px}
.campus-item{display:block;position:relative;border-radius:12px;overflow:hidden;cursor:pointer;opacity:0;transform:translateY(16px);transition:all .3s;text-decoration:none;color:inherit}
.campus-item.visible{opacity:1;transform:translateY(0)}
.campus-item:hover img{transform:scale(1.05)}
.campus-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.campus-tall{grid-row:span 2}
.campus-wide{grid-column:span 2}
.campus-caption{position:absolute;bottom:0;left:0;right:0;padding:10px 14px;background:linear-gradient(transparent,rgba(0,0,0,0.6));font-size:.78rem;color:#fff}
@media(max-width:768px){.campus-masonry{grid-template-columns:repeat(2,1fr)}.campus-wide{grid-column:span 1}}
@media(max-width:480px){.campus-masonry{grid-template-columns:1fr}.campus-tall{grid-row:span 1}}

.quote-block{background:var(--bg2);border-left:3px solid var(--accent);padding:28px 32px;border-radius:0 12px 12px 0;margin-bottom:40px;opacity:0;transform:translateY(16px);transition:all .4s}
.quote-block.visible{opacity:1;transform:translateY(0)}
.quote-block p{font-size:.95rem;color:#555;line-height:2;font-style:italic}

/* 影像馆 */
.gallery-filter{display:flex;gap:10px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.filter-btn{padding:8px 20px;background:#fff;border:1px solid var(--border);border-radius:8px;color:#888;font-size:.82rem;cursor:pointer;transition:all .2s}
.filter-btn.active,.filter-btn:hover{background:rgba(91,91,214,0.08);border-color:var(--accent);color:var(--accent)}
.gallery-grid{columns:4;column-gap:12px;margin-bottom:28px}
.gallery-item{display:block;break-inside:avoid;margin-bottom:12px;border-radius:10px;overflow:hidden;cursor:pointer;position:relative;transition:transform .3s;box-shadow:0 2px 8px rgba(0,0,0,0.06);text-decoration:none;color:inherit}
.gallery-item:hover{transform:scale(1.02);box-shadow:0 6px 20px rgba(0,0,0,0.12)}
.gallery-item img{width:100%;display:block;transition:filter .3s}
.gallery-item:hover img{filter:brightness(1.05)}
.gallery-item .gallery-overlay{position:absolute;bottom:0;left:0;right:0;padding:8px 12px;background:linear-gradient(transparent,rgba(0,0,0,0.5));font-size:.72rem;color:#fff;opacity:0;transition:opacity .3s}
.gallery-item:hover .gallery-overlay{opacity:1}
@media(max-width:1024px){.gallery-grid{columns:3}}
@media(max-width:768px){.gallery-grid{columns:2}}
@media(max-width:480px){.gallery-grid{columns:2}}
.btn-more{display:block;margin:0 auto;padding:12px 36px;background:#fff;border:1px solid var(--border);border-radius:10px;color:#888;font-size:.9rem;cursor:pointer;transition:all .2s}
.btn-more:hover{border-color:var(--accent);color:var(--accent)}
.gallery-search{display:flex;gap:10px;justify-content:center;margin-bottom:24px}
.gallery-search input{width:280px;padding:10px 16px;border:1px solid var(--border);border-radius:8px;font-size:.9rem;outline:none;color:#333}
.gallery-search input:focus{border-color:var(--accent)}
.gallery-search button{padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer}
.gallery-search button:hover{box-shadow:0 4px 14px rgba(91,91,214,0.25)}

/* 老师 */
.teacher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.teacher-card{display:block;background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px 24px;text-align:center;transition:all .3s;opacity:0;transform:translateY(20px);box-shadow:0 2px 8px rgba(0,0,0,0.03);cursor:pointer;text-decoration:none;color:inherit}
.teacher-card.visible{opacity:1;transform:translateY(0)}
.teacher-card:hover{border-color:rgba(91,91,214,0.3);transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.08)}
.teacher-avatar{width:80px;height:80px;border-radius:50%;background-size:cover;background-position:center;margin:0 auto 14px;border:2px solid rgba(91,91,214,0.2)}
.teacher-card h4{font-size:1.1rem;color:#222;margin-bottom:4px}
.teacher-title{font-size:.78rem;color:var(--accent);margin-bottom:10px}
.teacher-quote{font-size:.82rem;color:#777;line-height:1.6;margin-bottom:12px}
.teacher-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.teacher-tags span{padding:3px 10px;background:rgba(91,91,214,0.06);color:var(--accent);border-radius:4px;font-size:.72rem}
@media(max-width:768px){.teacher-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.teacher-grid{grid-template-columns:1fr}}

.memory-strip{overflow:hidden;margin-bottom:40px;border-radius:12px}
.strip-scroll{display:flex;gap:8px;animation:stripScroll 30s linear infinite}
@keyframes stripScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.strip-item{min-width:200px;height:140px;background-size:cover;background-position:center;border-radius:8px;flex-shrink:0}

/* 各地思念 */
.map-container{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:40px;margin-bottom:36px;position:relative;min-height:300px;opacity:0;transform:translateY(16px);transition:all .4s}
.map-container.visible{opacity:1;transform:translateY(0)}
.map-dots{position:relative;width:100%;height:250px}
.map-dot{position:absolute;width:10px;height:10px;background:var(--accent);border-radius:50%;cursor:pointer;transition:all .3s;animation:dotPulse 2s infinite}
.map-dot:hover{transform:scale(1.5);z-index:5}
.map-dot span{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:.72rem;color:var(--accent);background:rgba(255,255,255,0.95);padding:4px 8px;border-radius:4px;opacity:0;transition:opacity .2s;pointer-events:none;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.map-dot:hover span{opacity:1}
@keyframes dotPulse{0%,100%{box-shadow:0 0 0 0 rgba(91,91,214,0.4)}50%{box-shadow:0 0 0 8px rgba(91,91,214,0)}}
.map-caption{text-align:center;font-size:.78rem;color:#aaa;margin-top:16px}

.miss-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-bottom:40px}
.miss-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;transition:all .3s;opacity:0;transform:translateY(14px);box-shadow:0 2px 8px rgba(0,0,0,0.03)}
.miss-card.visible{opacity:1;transform:translateY(0)}
.miss-card:hover{border-color:rgba(45,184,157,0.3);box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.miss-loc{display:inline-block;padding:3px 10px;background:rgba(45,184,157,0.08);color:var(--green);border-radius:4px;font-size:.75rem;font-weight:600;margin-bottom:8px}
.miss-card p{font-size:.85rem;color:#555;line-height:1.6}
.miss-person{display:block;font-size:.72rem;color:#aaa;margin-top:6px}

/* 告白 */
.confess-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:40px}
.confess-card{background:#fff;border:1px solid rgba(224,95,138,0.15);border-radius:14px;padding:24px;transition:all .3s;opacity:0;transform:translateY(16px);box-shadow:0 2px 8px rgba(0,0,0,0.03)}
.confess-card.visible{opacity:1;transform:translateY(0)}
.confess-card:hover{border-color:rgba(224,95,138,0.3);transform:translateY(-3px);box-shadow:0 6px 20px rgba(224,95,138,0.08)}
.confess-icon{font-size:1.4rem;margin-bottom:10px}
.confess-card p{font-size:.88rem;color:#666;line-height:1.7}
@media(max-width:600px){.confess-grid{grid-template-columns:1fr}}

/* 遗憾 */
.regret-list{display:flex;flex-direction:column;gap:12px;margin-bottom:40px}
.regret-item{display:flex;align-items:flex-start;gap:16px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 22px;transition:all .3s;opacity:0;transform:translateY(14px);box-shadow:0 2px 6px rgba(0,0,0,0.03)}
.regret-item.visible{opacity:1;transform:translateY(0)}
.regret-item:hover{border-color:rgba(0,0,0,0.1);box-shadow:0 4px 14px rgba(0,0,0,0.06)}
.regret-num{font-size:1.2rem;font-weight:800;color:#ddd;flex-shrink:0;min-width:28px}
.regret-item p{font-size:.88rem;color:#666;line-height:1.7}

/* 评论区 */
.comment-zone{margin-top:24px;padding-top:32px;border-top:1px solid var(--border)}
.comment-zone h3{font-size:1.05rem;color:#222;margin-bottom:18px}
.comment-list{margin-bottom:20px}
.comment-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:10px;animation:fadeIn .4s ease;box-shadow:0 1px 4px rgba(0,0,0,0.03)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.comment-name{font-size:.85rem;font-weight:700;color:var(--accent)}
.comment-time{font-size:.72rem;color:#bbb}
.comment-city{display:inline-block;padding:2px 8px;background:rgba(45,184,157,0.06);color:var(--green);border-radius:4px;font-size:.72rem;margin-bottom:6px}
.comment-body{font-size:.88rem;color:#555;line-height:1.7}
.comment-body img{max-width:100%;border-radius:8px;margin-top:8px;cursor:pointer;transition:transform .2s}
.comment-body img:hover{transform:scale(1.02)}
.comment-actions-bar{display:flex;gap:16px;margin-top:8px}
.comment-actions-bar button{background:none;border:none;color:#bbb;font-size:.75rem;cursor:pointer;transition:color .2s}
.comment-actions-bar button:hover{color:var(--accent)}

.comment-form{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,0.03)}
.form-row{display:flex;gap:10px;margin-bottom:10px}
.input-name,.input-text{width:100%;background:#fafafa;border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:#333;font-size:.88rem;outline:none;font-family:inherit;transition:border-color .2s}
.input-name:focus,.input-text:focus{border-color:var(--accent);background:#fff}
.input-text{min-height:80px;resize:vertical;margin-bottom:10px}
.comment-actions{display:flex;justify-content:space-between;align-items:center}
.img-upload{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:#fafafa;border:1px solid var(--border);border-radius:8px;color:#888;font-size:.82rem;cursor:pointer;transition:all .2s}
.img-upload:hover{border-color:var(--accent);color:var(--accent)}
.img-input{display:none}
.btn-send{padding:10px 28px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .2s}
.btn-send:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(91,91,214,0.2)}
.img-preview{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.img-preview img{max-width:120px;border-radius:8px;border:1px solid var(--border)}

/* 底部 */
.footer{border-top:1px solid var(--border);padding:60px 24px;text-align:center;background:var(--bg2)}
.footer-quote{font-size:1.1rem;color:#999;font-style:italic;margin-bottom:8px}
.footer-sub{font-size:.82rem;color:#bbb}
.footer-credit{font-size:.75rem;color:#ccc;margin-top:12px}

/* 图片详情弹窗（带评论） */
.photo-modal{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.6);display:none;overflow-y:auto}
.photo-modal.show{display:flex;justify-content:center;padding:40px 20px}
.photo-modal-inner{background:#fff;border-radius:16px;max-width:700px;width:100%;max-height:90vh;overflow-y:auto;animation:modalIn .3s ease;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
@keyframes modalIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.photo-modal-close{position:fixed;top:20px;right:24px;z-index:210;width:36px;height:36px;background:#fff;border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,0.15);display:flex;align-items:center;justify-content:center}
.photo-modal-img{width:100%;border-radius:16px 16px 0 0}
.photo-modal-body{padding:24px}
.photo-modal-body h3{font-size:1rem;color:#222;margin-bottom:16px}
.photo-modal .comment-list{margin-bottom:16px}
.photo-modal .comment-form{border:none;padding:0;box-shadow:none}
.photo-modal .comment-form .form-row{margin-bottom:8px}

/* 全图弹窗 */
.img-modal{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,0.9);display:none;align-items:center;justify-content:center;cursor:pointer}
.img-modal.show{display:flex}
.img-modal img{max-width:92vw;max-height:92vh;border-radius:8px}