:root{--ink: #3c2a1a;--ink-soft: #6a5540;--paper: #f6efdd;--paper-2: #ecdfc2;--panel: #fbf6e8;--accent: #7a4a2a;--accent-2: #96603a;--gold: #b08a4a;--line: #ddd0b4;--danger: #a03b2f;--ok: #3f7d4e;--shadow: 0 2px 10px rgba(90, 60, 30, .14);--shadow-lg: 0 8px 28px rgba(90, 60, 30, .22);--radius: 12px;--kai: "KaiTi", "STKaiti", "楷体", "SimKai", serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--kai);color:var(--ink);background:#e9ddc2;background-image:radial-gradient(ellipse at 15% 8%,rgba(255,250,236,.9),transparent 55%),radial-gradient(ellipse at 88% 92%,rgba(200,175,120,.4),transparent 60%);background-attachment:fixed}h1,h2,h3,h4{font-weight:600}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.panel-title{font-size:20px;color:var(--accent);border-left:4px solid var(--accent);padding-left:10px;margin:0 0 12px}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink-soft);font-size:15px;padding:9px 16px;border-radius:10px;cursor:pointer;transition:all .15s;-webkit-user-select:none;user-select:none;white-space:nowrap;font-family:var(--kai)}.btn:hover{border-color:var(--gold);color:var(--accent);box-shadow:var(--shadow)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#f6efdd}.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2);color:#fff}.btn-active{background:var(--paper-2);border-color:var(--gold);color:var(--accent);font-weight:700}.btn-sm{font-size:13px;padding:5px 12px}.input{border:1px solid var(--line);background:#fffdf6;border-radius:10px;padding:10px 14px;font-size:15px;color:var(--ink);outline:none;width:100%;font-family:var(--kai)}.input:focus{border-color:var(--gold);box-shadow:0 0 0 2px #b08a4a2e}.select{border:1px solid var(--line);background:#fffdf6;border-radius:10px;padding:8px 10px;font-size:14px;color:var(--ink);outline:none;font-family:var(--kai)}label.field{display:block;font-size:13px;color:var(--ink-soft);margin-bottom:4px}.tabs{display:flex;flex-wrap:wrap;gap:6px}.tab{font-size:16px;padding:9px 18px;border:1px solid var(--line);border-bottom:none;background:var(--paper-2);color:var(--ink-soft);border-radius:10px 10px 0 0;cursor:pointer;font-family:var(--kai)}.tab:hover{color:var(--accent)}.tab.on{background:var(--panel);color:var(--accent);font-weight:700;border-color:var(--gold);position:relative;top:1px}.tab-body{background:var(--panel);border:1px solid var(--gold);border-radius:0 var(--radius) var(--radius) var(--radius);padding:16px}.muted{color:var(--ink-soft);font-size:13px}.small{font-size:12px}.cs-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cs-label{font-size:13px;color:var(--ink-soft);white-space:nowrap}.cs-btns{display:flex;gap:6px;flex-wrap:wrap}.page-title{margin:0 0 14px;font-size:24px;color:var(--accent)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:430px;padding:28px 32px}.login-seal{width:64px;height:64px;margin:0 auto 8px;background:var(--accent);color:#f6efdd;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--kai);font-size:38px}.login-title{text-align:center;margin:4px 0;font-size:24px}.login-form{display:flex;flex-direction:column;margin-top:14px}.login-err{color:var(--danger);font-size:13px;margin:10px 0 0}.login-submit{justify-content:center;margin-top:16px;font-size:17px;padding:12px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-top{display:flex;align-items:center;justify-content:space-between;padding:10px 22px;background:linear-gradient(180deg,#fbf6e8,#f1e6cc);border-bottom:2px solid var(--gold);box-shadow:var(--shadow);position:sticky;top:0;z-index:50}.app-brand{display:flex;align-items:center;gap:10px}.app-brand-seal{width:42px;height:42px;background:var(--accent);color:#f6efdd;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:24px}.app-brand-name{font-size:21px;font-weight:700;color:var(--ink);letter-spacing:2px}.app-user{display:flex;align-items:center;gap:10px;color:var(--ink-soft);font-size:14px}.app-body{display:flex;flex:1;max-width:1560px;width:100%;margin:0 auto}.app-nav{width:180px;flex-shrink:0;padding:16px 8px;background:linear-gradient(90deg,#f1e6cc,#f6efdd);border-right:1px solid var(--line)}.app-nav a{display:block;padding:10px 14px;margin-bottom:3px;border-radius:10px;color:var(--ink-soft);text-decoration:none;font-size:16px}.app-nav a:hover{color:var(--accent);background:#b08a4a1f}.app-nav a.active{color:#fff;background:var(--accent);font-weight:700}.app-main{flex:1;padding:20px 24px 40px;min-width:0}.app-foot{text-align:center;padding:12px;color:var(--ink-soft);font-size:12px;border-top:1px solid var(--line);background:#f1e6cc}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;cursor:pointer;transition:all .16s;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}.tile:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:var(--shadow-lg)}.tile-icon{width:56px;height:56px;border-radius:10px;background:var(--paper-2);border:1px solid var(--gold);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:28px}.tile-name{font-size:18px;font-weight:700;color:var(--ink)}.tile-desc{font-size:12px;color:var(--ink-soft);line-height:1.5}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#cbb283;border-radius:6px}::-webkit-scrollbar-track{background:#ece0c4}.stele-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.stele-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;background:#fffdf6;border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;font-family:var(--kai);color:inherit;transition:all .14s}.stele-card:hover{border-color:var(--gold);box-shadow:var(--shadow)}.stele-card-name{font-size:16px;font-weight:700}.stele-card-sample{font-size:15px;color:var(--ink-soft);line-height:1.7}.stele-write-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:14px}@media (max-width: 1100px){.stele-write-layout{grid-template-columns:1fr}}.stele-actions{display:flex;flex-direction:column;gap:8px}.eval-box{background:#fdf3d8;border:1px solid var(--gold);border-radius:10px;padding:12px 16px}.eval-score{font-size:40px;font-weight:700;color:var(--accent);line-height:1}.video-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}.video-card{display:flex;flex-direction:column;align-items:center;gap:4px;background:#fffdf6;border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer;font-family:var(--kai);color:inherit}.video-card:hover{border-color:var(--gold)}.video-card-on{border-color:var(--accent);background:#fdf3d8}.video-card-char{font-size:40px;color:var(--accent)}.master-layout{display:grid;grid-template-columns:240px 1fr;gap:14px;align-items:start}@media (max-width: 1000px){.master-layout{grid-template-columns:1fr}}.master-list{display:flex;flex-direction:column;gap:6px}.master-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;background:#fffdf6;border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer;font-family:var(--kai);color:inherit}.master-item-on{border-color:var(--accent);background:#fdf3d8}.video-tag{display:inline-block;font-size:11px;color:var(--gold);border:1px solid var(--gold);border-radius:5px;padding:1px 7px;background:#fdf8ea;white-space:nowrap;margin:2px}.exam-head{display:flex;justify-content:space-between;align-items:center}.exam-options{display:flex;flex-direction:column;gap:8px;margin:12px 0}.exam-option{justify-content:flex-start;text-align:left;font-size:16px;padding:12px 16px}.exam-right{border-color:var(--ok)!important;background:#e9f4ec!important;color:var(--ok)!important}.exam-wrong{border-color:var(--danger)!important;background:#fbeae6!important;color:var(--danger)!important}.exam-score{font-size:30px;color:var(--accent)}.wrong-item{border-bottom:1px dashed var(--line);padding:8px 0;display:flex;flex-direction:column;gap:4px}.contest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.contest-card{display:flex;flex-direction:column;gap:6px;align-items:center}.contest-card img{width:100%;border-radius:8px;background:#fff}.works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.work-card{display:flex;flex-direction:column;gap:6px}.work-card img{width:100%;border-radius:8px;background:#fff}.gq-layout{display:grid;grid-template-columns:300px 1fr;gap:14px;align-items:start}@media (max-width: 1000px){.gq-layout{grid-template-columns:1fr}}.gq-list{display:flex;flex-direction:column;gap:6px;max-height:640px;overflow:auto;padding-right:4px}.gq-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;background:#fffdf6;border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer;font-family:var(--kai);color:inherit}.gq-item:hover{border-color:var(--gold)}.gq-item-on{border-color:var(--accent);background:#fdf3d8}.gq-score{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.gq-note{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:46px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:#fffdf6;cursor:pointer}.gq-note-on{border-color:var(--danger);background:#fbeae6}.gq-note-done{border-color:var(--ok);background:#e9f4ec}.gq-jp{font-size:24px;font-weight:700;color:#3c2a1a}.gq-fingering{font-size:13px;color:var(--accent)}.gq-strings{display:flex;flex-wrap:wrap;gap:8px}.gq-string{min-width:92px;padding:12px 8px;border-radius:8px;border:2px solid #8a6a40;background:linear-gradient(180deg,#e8d8b0,#c9b183);color:#4a3820;font-size:15px;font-weight:700;cursor:pointer;font-family:var(--kai);box-shadow:inset 0 2px 4px #ffffff80}.gq-string:hover{filter:brightness(1.06)}.gq-string-on{border-color:var(--accent);box-shadow:0 0 0 2px #7a4a2a4d}.fingering-layout{display:grid;grid-template-columns:260px 1fr;gap:14px}@media (max-width: 1000px){.fingering-layout{grid-template-columns:1fr}}.fingering-list{display:flex;flex-direction:column;gap:6px}.train-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:14px}@media (max-width: 1000px){.train-layout{grid-template-columns:1fr}}.pitch-meter{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px}.pitch-freq{font-size:38px;font-weight:700;color:var(--accent)}.pitch-ok{color:var(--ok);font-weight:700}.pitch-off{color:var(--danger);font-weight:700}.train-results{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow:auto}.train-result{display:flex;justify-content:space-between;gap:10px;padding:6px 10px;border-radius:8px;font-size:14px}.train-ok{background:#e9f4ec;color:var(--ok)}.train-bad{background:#fbeae6;color:var(--danger)}.culture-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}.doc-layout{display:grid;grid-template-columns:320px 1fr;gap:14px}@media (max-width: 1000px){.doc-layout{grid-template-columns:1fr}}.doc-list{display:flex;flex-direction:column;gap:6px}.master-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}.fav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.fav-card{display:flex;flex-direction:column;gap:8px;align-items:flex-start}