@font-face{font-family:SVOIC Kai;src:url(/assets/fonts/lxgw-wenkai-sub.woff2) format("woff2");font-display:swap}@font-face{font-family:SVOIC Song;src:url(/assets/fonts/noto-serif-sc-sub.woff2) format("woff2");font-display:swap}body,body.theme-night-sky{--font-hanzi: "SVOIC Song", "Songti SC", SimSun, serif;--grid-border: rgba(255,255,255,.25);--grid-line: rgba(255,255,255,.18);--grid-bg-hi: rgba(255,255,255,.1);--grid-bg-lo: rgba(255,255,255,.04);--bg-gradient: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 30%, #0f2847 60%, #1a3a5c 100%);--primary: #D4AF37;--primary-light: #FFD700;--primary-dark: #B8860B;--accent: #FFD700;--text-1: #ffffff;--text-2: rgba(255,255,255,.7);--text-3: rgba(255,255,255,.5);--card-bg: rgba(255,255,255,.1);--card-border: rgba(255,255,255,.15);--surface: rgba(255,255,255,.05);--divider: rgba(255,255,255,.12);--dialog-bg: #1a2a3a;--btn-hi: #FFD700;--btn-lo: #D4AF37;--btn-text: #1a1a2e;--glow: rgba(212,175,55,.35);--input-bg: rgba(0,0,0,.3)}body.theme-xuan-paper{--font-hanzi: "SVOIC Kai", "Kaiti SC", STKaiti, KaiTi, "Songti SC", serif;--grid-border: rgba(125,47,34,.32);--grid-line: rgba(125,47,34,.22);--grid-bg-hi: rgba(156,63,47,.12);--grid-bg-lo: rgba(156,63,47,.05);--bg-gradient: linear-gradient(160deg, #f7f1e3 0%, #f1e8d2 30%, #e9dcc0 65%, #ddcda8 100%);--primary: #9c3f2f;--primary-light: #c3564a;--primary-dark: #7d2f22;--accent: #8a6d1f;--text-1: #2b2416;--text-2: #55492f;--text-3: #8a7c5d;--card-bg: rgba(255,252,242,.72);--card-border: rgba(90,70,40,.28);--surface: rgba(255,252,245,.85);--divider: rgba(90,70,40,.15);--dialog-bg: #f6efdd;--btn-hi: #b0503f;--btn-lo: #8f3628;--btn-text: #f7f1e3;--glow: rgba(154,98,42,.25);--input-bg: rgba(255,252,242,.8)}body.theme-sky-blue{--font-hanzi: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--grid-border: rgba(26,95,122,.32);--grid-line: rgba(26,95,122,.22);--grid-bg-hi: rgba(46,125,154,.12);--grid-bg-lo: rgba(46,125,154,.05);--bg-gradient: linear-gradient(180deg, #F8FBFF 0%, #E8F4FD 30%, #D0E8F8 60%, #B8DCF5 100%);--primary: #2E7D9A;--primary-light: #4A9BB8;--primary-dark: #1A5F7A;--accent: #0288D1;--text-1: #1A3A4A;--text-2: #4A6A7A;--text-3: #7A9AAA;--card-bg: rgba(255,255,255,.8);--card-border: rgba(0,0,0,.2);--surface: rgba(255,255,255,.9);--divider: rgba(0,0,0,.1);--dialog-bg: #F5FAFD;--btn-hi: #4A9BB8;--btn-lo: #2E7D9A;--btn-text: #ffffff;--glow: rgba(46,125,154,.3);--input-bg: rgba(255,255,255,.85)}body.theme-bamboo-green{--font-hanzi: "SVOIC Kai", "Kaiti SC", STKaiti, KaiTi, "Songti SC", serif;--grid-border: rgba(27,94,32,.32);--grid-line: rgba(27,94,32,.22);--grid-bg-hi: rgba(46,125,50,.12);--grid-bg-lo: rgba(46,125,50,.05);--bg-gradient: linear-gradient(135deg, #F5FBF5 0%, #E8F5E9 30%, #D5ECD6 60%, #C8E6C9 100%);--primary: #2E7D32;--primary-light: #4CAF50;--primary-dark: #1B5E20;--accent: #43A047;--text-1: #1A3A1A;--text-2: #4A6A4A;--text-3: #7A9A7A;--card-bg: rgba(255,255,255,.8);--card-border: rgba(0,0,0,.2);--surface: rgba(255,255,255,.9);--divider: rgba(0,0,0,.1);--dialog-bg: #F1F8F2;--btn-hi: #66BB6A;--btn-lo: #43A047;--btn-text: #ffffff;--glow: rgba(67,160,71,.3);--input-bg: rgba(255,255,255,.85)}body.theme-twilight-purple{--font-hanzi: "SVOIC Song", "Songti SC", SimSun, serif;--grid-border: rgba(255,255,255,.25);--grid-line: rgba(255,255,255,.18);--grid-bg-hi: rgba(255,255,255,.1);--grid-bg-lo: rgba(255,255,255,.04);--bg-gradient: linear-gradient(135deg, #1a0a2e 0%, #2d1b4e 30%, #3d2b5e 60%, #4a3a6e 100%);--primary: #CE93D8;--primary-light: #E1BEE7;--primary-dark: #AB47BC;--accent: #BA68C8;--text-1: #ffffff;--text-2: rgba(255,255,255,.7);--text-3: rgba(255,255,255,.5);--card-bg: rgba(255,255,255,.1);--card-border: rgba(255,255,255,.15);--surface: rgba(255,255,255,.05);--divider: rgba(255,255,255,.12);--dialog-bg: #2d1b4e;--btn-hi: #CE93D8;--btn-lo: #AB47BC;--btn-text: #2d1b4e;--glow: rgba(186,104,200,.35);--input-bg: rgba(0,0,0,.3)}body.theme-ink-black{--font-hanzi: 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linear-gradient(135deg, #FFFBF5 0%, #FFF3E0 30%, #FFE8CC 60%, #FFDDB8 100%);--primary: #E65100;--primary-light: #FF8A50;--primary-dark: #BF360C;--accent: #FF6D00;--text-1: #3E2723;--text-2: #5D4037;--text-3: #8D6E63;--card-bg: rgba(255,255,255,.8);--card-border: rgba(0,0,0,.2);--surface: rgba(255,255,255,.9);--divider: rgba(0,0,0,.1);--dialog-bg: #FFF8F0;--btn-hi: #FF8A50;--btn-lo: #E65100;--btn-text: #ffffff;--glow: rgba(230,81,0,.3);--input-bg: rgba(255,255,255,.85)}body{margin:0;min-height:100vh;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-1);transition:background .3s,color .3s}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;box-shadow:0 10px 30px #00000040,0 4px 12px #0000001f;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:0 14px 36px #0000004d,0 0 22px var(--glow)}.btn{background:linear-gradient(180deg,var(--btn-hi) 0%,var(--btn-lo) 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