*{margin:0;padding:0;box-sizing:border-box}
:root{--navy:#163257;--navy-light:#1e406f;--navy-dark:#0f1f3a;--gold:#c9a96e;--gold-light:#e8d5a8;--bg:#CFDCE5;--text-primary:#163257;--text-secondary:#2c4a6a;--text-muted:#7a8ba0}
body{min-height:100vh;background:var(--bg);font-family:'Noto Serif SC','Cormorant Garamond',Georgia,serif;color:var(--text-primary);overflow-x:hidden;display:flex;flex-direction:column}
.top-bar{height:52px;background:linear-gradient(90deg,#0f1f3a,#163257 15%,#1e406f 50%,#163257 85%,#0f1f3a);display:flex;align-items:center;justify-content:flex-end;padding:0 40px;position:relative}
.top-bar::after{content:'';position:absolute;bottom:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.top-bar-nav{display:flex;align-items:center;gap:32px}
.top-bar-nav a{font-family:'Noto Serif SC',serif;font-size:.95rem;color:rgba(232,213,168,.7);text-decoration:none;letter-spacing:4px;transition:color .2s;position:relative}
.top-bar-nav a:hover,.top-bar-nav a.active{color:var(--gold-light)}
.top-bar-nav a::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:1px;background:var(--gold);opacity:0;transition:opacity .2s}
.top-bar-nav a.active::after,.top-bar-nav a:hover::after{opacity:.5}
.back-top{position:fixed;top:14px;left:16px;z-index:200;font-size:.82rem;color:rgba(232,213,168,.6);letter-spacing:2px;cursor:pointer;transition:color .2s;font-family:"Noto Serif SC",serif}
.back-top:hover{color:var(--gold)}
.site-footer{padding:24px 30px 20px;background:linear-gradient(90deg,#0f1f3a,#163257 15%,#1e406f 50%,#163257 85%,#0f1f3a);position:relative;margin-top:auto;text-align:center}
.site-footer::before{content:'';position:absolute;top:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.ft-name{font-family:"Noto Serif SC",serif;font-size:.82rem;color:rgba(232,213,168,.6);letter-spacing:4px}
.ft-en{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:.7rem;color:rgba(232,213,168,.35);letter-spacing:2px;margin-top:2px}
.ft-info{font-size:.65rem;color:rgba(232,213,168,.3);letter-spacing:1px;margin-top:6px}
.ft-info a{color:rgba(232,213,168,.3);text-decoration:none;transition:color .2s}
.ft-info a:hover{color:var(--gold-light)}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--navy);border-radius:3px}
img,video,audio{-webkit-user-drag:none;user-select:none;pointer-events:auto}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
body{animation:pageIn .4s ease both}

/* Sidebar */
.side-bar{position:fixed;right:24px;bottom:60px;z-index:90;display:flex;flex-direction:column;gap:2px}
.side-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;width:64px;height:64px;background:rgba(255,255,255,.85);border:1px solid rgba(22,50,87,.1);border-radius:4px;text-decoration:none;color:var(--navy);font-size:.7rem;letter-spacing:1px;gap:4px;transition:all .25s;position:relative}
.side-bar a:hover{background:var(--navy);color:var(--gold-light);border-color:var(--navy)}
.side-bar a:hover svg{stroke:var(--gold-light)}
.side-bar a svg{stroke:var(--navy);transition:stroke .25s}
.side-bar a::after{content:attr(data-tip);position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--navy);color:var(--gold-light);font-family:'Noto Serif SC',serif;font-size:.72rem;letter-spacing:1px;white-space:nowrap;padding:5px 12px;border-radius:4px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;transform:translateY(-50%) translateX(4px)}
.side-bar a::before{content:'';position:absolute;right:calc(100% + 4px);top:50%;transform:translateY(-50%);border:4px solid transparent;border-left-color:var(--navy);opacity:0;pointer-events:none;transition:opacity .2s}
.side-bar a:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}
.side-bar a:hover::before{opacity:1}
.side-bar .copied{background:#2e7d32!important;color:#fff!important;border-color:#2e7d32!important}
.side-bar .copied svg{stroke:#fff!important}
.side-bar .copied::after,.side-bar .copied::before{display:none!important}

/* Gallery cards */
.gallery{column-count:2;column-gap:16px}
.card{background:rgba(255,255,255,.5);border:1px solid rgba(22,50,87,.08);border-radius:4px;overflow:hidden;transition:box-shadow .2s;break-inside:avoid;margin-bottom:16px}
.card:hover{box-shadow:0 4px 20px rgba(22,50,87,.1)}
.card-img-wrap{position:relative;background:#e8eef5;min-height:150px;overflow:hidden}
.card-img-wrap::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.4) 50%,transparent 100%);animation:imgShimmer 1.5s ease-in-out infinite;pointer-events:none}
@keyframes imgShimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.card-img-wrap.loaded::before{display:none}
.card-img{width:100%;height:auto;display:block}
.card-info{padding:8px 20px 20px}
.card-author{font-size:.68rem;color:var(--text-muted);letter-spacing:1px;margin-bottom:2px}
.card-author span{color:var(--navy);font-weight:600}
.card-tags{display:flex;flex-wrap:wrap;gap:3px;margin-top:4px}
.card-tag{font-size:.72rem;color:#fff;border:none;border-radius:0;padding:3px 10px;background:var(--navy);display:inline;white-space:nowrap;letter-spacing:.5px;font-weight:500}
.card-tag a{color:#fff;text-decoration:none;transition:opacity .2s}
.card-tag a:hover{opacity:.7}

/* Fold blocks */
.fold.open .fold-con{max-height:5000px!important}
.fold.open .arr{transform:rotate(180deg)}

/* Sub pages */
.ph{text-align:center;padding:0 0 12px}
.ph h1{font-weight:900;font-size:clamp(1.3rem,3.5vw,1.8rem);color:var(--navy);letter-spacing:6px;margin-bottom:4px}
.ph .sub{font-family:'Cormorant Garamond',serif;font-style:italic;color:var(--text-muted);font-size:.82rem;letter-spacing:3px}
.dv{width:80px;height:1px;background:linear-gradient(90deg,transparent,var(--navy),transparent);opacity:.15;margin:12px auto 24px}
.main{flex:1;width:100%;max-width:780px;margin:0 auto;padding:40px 30px 30px}

/* Lightbox */
.lb{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.85);align-items:center;justify-content:center}
.lb.open{display:flex}
.lb-close{display:none;font-size:2rem;color:rgba(255,255,255,.7);cursor:pointer;z-index:1;transition:color .2s;line-height:1}
.lb-close:hover{color:#fff}
.lb img,.lb video{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:4px;box-shadow:0 8px 40px rgba(0,0,0,.3)}

/* Story / notice boxes */
.story-card{background:rgba(255,255,255,.5);border:1px solid rgba(22,50,87,.08);border-radius:4px;padding:20px 24px;margin-bottom:20px;font-size:.85rem;color:#2c4a6a;line-height:1.8;letter-spacing:.5px}

/* Timetable frame */
.tt-frame{border:3px solid var(--navy);border-radius:6px;overflow:hidden;margin-bottom:20px;background:var(--navy)}
.tt-img{border-radius:3px;overflow:hidden;background:#e8eef5;position:relative;min-height:80px}
.tt-img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.4) 50%,transparent 100%);animation:imgShimmer 1.5s ease-in-out infinite;pointer-events:none}
.tt-img.loaded::before{display:none}
.tt-img img{width:100%;height:auto;display:block}

/* Browcrumb */
.breadcrumb{font-size:.65rem;color:var(--text-muted);letter-spacing:1px;padding:8px 30px 0;max-width:720px;margin:0 auto;width:100%;text-align:left}
.breadcrumb a{color:var(--text-muted);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--navy)}
.breadcrumb .sep{margin:0 6px;opacity:.4}

/* Exam cards */
.ex-card{display:flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(255,255,255,.6);border:1px solid rgba(22,50,87,.08);border-radius:4px;text-decoration:none;color:var(--navy);font-size:.82rem;letter-spacing:2px;transition:all .2s}
.ex-card:hover{background:var(--navy)!important;color:var(--gold-light)!important;border-color:var(--navy)!important}
.ex-paper:hover{opacity:.85}

/* Note grids */
.note-grid{display:grid;gap:8px;margin-bottom:16px}

/* Responsive */
@media(max-width:500px){
.top-bar{padding:0 16px}
.top-bar-nav{gap:12px}
.top-bar-nav a{font-size:.72rem;letter-spacing:2px}
.main{padding:24px 16px 24px}
.gallery{column-count:2;column-gap:8px}
.card-info{padding:8px 20px 20px}
.site-footer{padding:18px 16px 16px}
.ft-name{font-size:.72rem}
.ft-en{font-size:.6rem}
.ft-info{font-size:.55rem}
.side-bar{right:8px;bottom:50px}
.side-bar a{width:40px;height:40px;font-size:.55rem}
.side-bar a svg{width:14px;height:14px}
.note-grid{grid-template-columns:1fr 1fr 1fr}
}

@media(max-width:500px){.forum-grid{flex-wrap:wrap;}.forum-btn{width:72px!important;height:400px!important;font-size:1.4rem!important}.forum-btn:nth-child(2),.forum-btn:nth-child(4){margin-top:30px!important}}