:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#1F1F1D;background:#F7F5EF;letter-spacing:0;font-size:15px}*{box-sizing:border-box}body{margin:0}header{height:72px;background:#FDFBF6;border-bottom:1px solid #E7E2D8;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:12px}a{color:inherit;text-decoration:none}header>a{font-size:23px;font-weight:700}small,.muted{color:#6D6A64;font-size:13px}main{max-width:1050px;margin:auto;padding:32px 28px 80px}h1{font-size:30px;font-weight:650;margin:0 0 24px}h2{font-size:20px;margin:0 0 18px}h3{font-size:17px;margin:0 0 10px}p{line-height:1.65;overflow-wrap:anywhere}.row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}button,select,input,textarea{font:inherit;border:1px solid #B7B0A4;border-radius:5px;background:#FDFBF6;color:inherit;padding:11px 14px;max-width:100%;letter-spacing:0}button,a.button{cursor:pointer}button:hover{background:#ECEFEA}button.primary{background:#4A5A51;color:#fff;border-color:#4A5A51}button[disabled]{opacity:.55;cursor:wait}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}.card{background:#FDFBF6;border:1px solid #E7E2D8;border-radius:7px;padding:22px;min-width:0}.card h3{overflow-wrap:anywhere}.card.cover{position:relative;padding-right:96px}.cover img{position:absolute;right:18px;top:22px;width:60px;height:60px;object-fit:cover;border-radius:4px}.card .track{height:5px;background:#E7E2D8;margin-top:22px}.track span{display:block;height:100%;background:#4A5A51}.badge{font-size:12px;padding:4px 7px;background:#ECEFEA;color:#4A5A51;white-space:nowrap}.warn{color:#a2502d}.line{border-bottom:1px solid #E7E2D8;padding:23px 0}.line .actions{margin-top:12px}.intro{border-bottom:1px solid #E7E2D8;padding:10px 0 28px;margin-bottom:24px}.number{font-size:42px;font-weight:650}.nav{display:flex;gap:6px;overflow-x:auto;margin:20px 0 26px;border-bottom:1px solid #E7E2D8}.nav button{border:0;border-radius:0;background:transparent;white-space:nowrap;padding:15px 12px}.nav button.active{border-bottom:3px solid #4A5A51;font-weight:600}.entry-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}.entry-nav button{text-align:left;padding:22px 18px;background:#FDFBF6}.section{margin:28px 0}.empty{padding:50px 0;color:#6D6A64;text-align:center}.photos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:16px 0}.photos img{width:100%;height:130px;object-fit:cover;border-radius:4px;cursor:pointer}.login{max-width:440px;margin:30px auto}.login label,dialog label{display:block;margin:16px 0 8px}.login input,.login select,dialog input,dialog textarea,dialog select{display:block;width:100%;margin:8px 0}dialog{max-width:570px;width:calc(100% - 28px);border:1px solid #E7E2D8;border-radius:8px;padding:24px;max-height:90vh}dialog::backdrop{background:#12271966}dialog .row button{font-size:26px;padding:0 10px}dialog textarea{min-height:95px}dialog #submit{margin-top:20px}#formError,.error{color:#a03428}#account{font-size:13px}#account button{font-size:12px;padding:6px 10px;margin-left:8px}.back{display:inline-block;margin-bottom:24px;font-size:13px;color:#4A5A51}@media(max-width:720px){header{padding:0 18px;height:62px}main{padding:25px 18px 60px}.grid{grid-template-columns:1fr}.entry-nav{grid-template-columns:1fr 1fr}.photos{grid-template-columns:repeat(3,minmax(0,1fr))}.photos img{height:105px}h1{font-size:26px}.card{padding:20px}.number{font-size:34px}}
:root .entry-nav button.primary{background:#4A5A51;color:#fff}
/* PPT VI: supplied symbol, Song headings and readable sans-serif body. */
.brand-lockup{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-lockup img{width:44px;height:34px;object-fit:contain}
.brand-lockup>span{font-family:"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:23px;line-height:1.25;font-weight:500}
.brand-lockup small{display:block;font-family:Georgia,serif;font-size:10px;color:#6D6A64;margin-top:3px}
h1{font-family:"Noto Serif CJK SC","Songti SC",SimSun,serif;font-weight:500}
.track span{background:#4A5A51;border-right:3px solid #C9B79C}
#account{min-width:0;text-align:right}
@media(max-width:420px){header{height:auto;min-height:76px;padding:12px 16px;gap:8px}#account button{margin:4px 0 0 6px}.brand-lockup{gap:6px}.brand-lockup img{width:36px;height:28px}.brand-lockup>span{font-size:21px}}

[hidden]{display:none!important}.login{max-width:560px;margin:38px auto;padding:32px}.login input,.login select{width:100%}.stats .number{color:#4a5a51}.stats p{margin:8px 0 0}#profileForm input,#profileForm select,#joinForm input{display:block;width:100%;margin:10px 0 22px}#profileStatus,#joinStatus{color:#4a5a51}.nav button:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #4a5a51;outline-offset:3px}.login summary{cursor:pointer}@media(max-width:600px){.login{padding:24px;margin:10px auto}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stats .card{padding:14px 10px}.stats .number{font-size:30px}.stats p{font-size:12px}}