@font-face{font-family:Microsoft YaHei;src:url(/fonts/MyHanziFont.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap;size-adjust:100%;ascent-override:90%;descent-override:20%;line-gap-override:0%}*{box-sizing:border-box}:root{--glass-blur: 16px;--glass-soft-blur: 14px;--glass-outline-blur: 12px;--neu-blur: 12px;--neu-input-blur: 14px;--token-blur: 18px;--shadow-strength: .18;--shadow-soft-strength: .12;--shadow-hover-strength: .14;--shadow-active-strength: .12;--shadow-focus-strength: .16;--token-shadow-strength: .15;--bg: radial-gradient(circle at 20% 20%, rgba(92, 142, 255, .25), transparent 30%), radial-gradient(circle at 80% 0%, rgba(235, 99, 247, .2), transparent 32%), linear-gradient(135deg, #dbeafe 0%, #e9d5ff 40%, #f4f4f5 100%);--bg-glow: radial-gradient(circle at 15% 70%, rgba(59, 130, 246, .12), transparent 25%), radial-gradient(circle at 85% 40%, rgba(244, 114, 182, .14), transparent 28%);--bg-glow-blur: 18px;--glass: rgba(255, 255, 255, .42);--glass-strong: rgba(255, 255, 255, .6);--stroke: rgba(255, 255, 255, .7);--shadow: 0 18px 48px rgba(15, 23, 42, var(--shadow-strength));--shadow-soft: 0 10px 26px rgba(15, 23, 42, var(--shadow-soft-strength));--text: #0f172a;--muted: #475569;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px}html,body,#root{height:100%;margin:0;background:var(--bg);background-attachment:scroll;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,MyHanziFont,Inter,system-ui,sans-serif;color:var(--text);position:relative;overflow-x:hidden}body.perf-mode{--glass-blur: 8px;--glass-soft-blur: 6px;--glass-outline-blur: 6px;--neu-blur: 6px;--neu-input-blur: 6px;--token-blur: 0px;--shadow-strength: .12;--shadow-soft-strength: .08;--shadow-hover-strength: .1;--shadow-active-strength: .08;--shadow-focus-strength: .12;--token-shadow-strength: .06;--bg: radial-gradient(circle at 20% 20%, rgba(92, 142, 255, .18), transparent 32%), linear-gradient(135deg, #dbeafe 0%, #e9d5ff 40%, #f4f4f5 100%);--bg-glow: radial-gradient(circle at 20% 60%, rgba(59, 130, 246, .08), transparent 28%);--bg-glow-blur: 12px}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:var(--bg-glow);filter:blur(var(--bg-glow-blur));will-change:transform;z-index:-1}@media (max-width: 768px){:root{--bg-glow-blur: 14px}}.glass{background:var(--glass);border:1px solid var(--stroke);box-shadow:var(--shadow);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur))}.glass-soft{background:#ffffff4d;border:1px solid rgba(255,255,255,.35);box-shadow:var(--shadow-soft);backdrop-filter:blur(var(--glass-soft-blur));-webkit-backdrop-filter:blur(var(--glass-soft-blur))}.glass-outline{border:1px solid var(--stroke);background:#ffffff1f;backdrop-filter:blur(var(--glass-outline-blur));-webkit-backdrop-filter:blur(var(--glass-outline-blur))}.neu-input{width:100%;padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.5);background:#ffffff59;box-shadow:0 10px 24px rgba(15,23,42,var(--shadow-soft-strength));backdrop-filter:blur(var(--neu-input-blur));-webkit-backdrop-filter:blur(var(--neu-input-blur));font-size:15px;transition:.18s ease}.neu-input:focus{outline:none;border-color:#6366f1e6;box-shadow:0 12px 28px rgba(59,130,246,var(--shadow-focus-strength)),0 0 0 3px #3b82f61f}.neu-btn{border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:8px 16px;background:#ffffff4d;cursor:pointer;box-shadow:var(--shadow-soft);backdrop-filter:blur(var(--neu-blur));-webkit-backdrop-filter:blur(var(--neu-blur));transition:.18s ease;color:var(--text)}.neu-btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(15,23,42,var(--shadow-hover-strength))}.neu-btn:active{transform:translateY(0);box-shadow:0 8px 16px rgba(15,23,42,var(--shadow-active-strength)) inset}.neu-btn:focus-visible{outline:none;border-color:#6366f1bf;box-shadow:0 14px 30px rgba(15,23,42,var(--shadow-focus-strength)),0 0 0 3px #3b82f62e}.line-index-button:hover{background:transparent;box-shadow:none;transform:translateY(-1px)}.line-index-button:active{background:transparent;box-shadow:none;transform:translateY(0)}.line-index-button:focus-visible{outline:none;border-color:#6366f1bf;box-shadow:0 14px 30px #0f172a29,0 0 0 3px #3b82f62e}.line-index-button.is-active{background:transparent;box-shadow:none}.neu-tiny-btn{width:26px;height:26px;border-radius:999px;border:1px solid rgba(255,255,255,.55);background:#ffffff59;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px #0f172a29;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:.16s ease;color:var(--text)}.neu-tiny-btn:active{transform:translateY(.5px);box-shadow:0 6px 12px #0f172a1f inset}.neu-tiny-btn:focus-visible{outline:none;border-color:#6366f1b3;box-shadow:0 10px 20px #0f172a24,0 0 0 3px #3b82f62e}.floating-image{pointer-events:auto;position:absolute;z-index:100000;touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none}.floating-image:active{cursor:grabbing}.floating-image:hover{outline:2px dashed rgba(37,99,235,.45);outline-offset:2px}.floating-image img{width:100%;height:100%;object-fit:contain;pointer-events:auto;-webkit-user-select:none;user-select:none;display:block;background:#fff}.floating-image-toolbar{position:absolute;top:6px;right:6px;display:flex;gap:6px}.floating-image-toolbar button{width:24px;height:24px;border-radius:999px;border:1px solid rgba(255,255,255,.55);background:#ffffff59;cursor:pointer;box-shadow:var(--shadow-soft);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.floating-image-toolbar button.is-active{border-color:#3b82f6b3;box-shadow:0 10px 20px #0f172a24,0 0 0 2px #3b82f640}.floating-image-toolbar button:active{box-shadow:inset 2px 2px 5px var(--shadow-dark),inset -2px -2px 5px var(--shadow-light)}.floating-resize-handle{position:absolute;right:4px;bottom:4px;width:18px;height:18px;border-radius:6px;background:#ffffffe6;box-shadow:2px 2px 5px var(--shadow-dark),-2px -2px 5px var(--shadow-light);cursor:nwse-resize;touch-action:none}.floating-resize-handle:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:4px;background:repeating-linear-gradient(135deg,rgba(0,0,0,.25) 0,rgba(0,0,0,.25) 1px,transparent 1px,transparent 4px);opacity:.35}.invisible{visibility:hidden}.sentence-table{display:flex;flex-wrap:wrap;gap:var(--sentence-gap, 1.5px);padding:6px 2px;margin-bottom:-4px}.token-box{display:flex;flex-direction:column;align-items:center;min-width:46px;padding:2px 2.4px;border-radius:16px;background:#ffffff4d;border:1px solid rgba(255,255,255,.65);box-shadow:0 16px 36px rgba(15,23,42,var(--token-shadow-strength));backdrop-filter:blur(var(--token-blur));-webkit-backdrop-filter:blur(var(--token-blur))}.token-box--blank{min-width:3px;padding:.1px .15px;border-radius:12px}.token-hanzi{font-size:var(--token-font-size, 32px);font-weight:700;color:#000;padding:2px 6px;border-radius:8px;text-shadow:0 1px 6px rgba(0,0,0,.08);cursor:context-menu}.token-pinyin{font-size:14px;color:#344054;margin-bottom:-6px;text-shadow:0 1px 4px rgba(0,0,0,.08);min-height:14px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body.perf-mode .token-box{background:transparent;border:1px solid rgba(148,163,184,.45);box-shadow:0 4px 10px rgba(15,23,42,var(--token-shadow-strength));backdrop-filter:none;-webkit-backdrop-filter:none}body.perf-mode .token-box--blank{border-color:#94a3b84d;box-shadow:none}.token-english{font-size:11px;color:#1f2937;margin-top:1px;max-width:140px;text-align:center;word-break:break-word;white-space:normal;background:transparent;padding:0;border-radius:0;border:none;box-shadow:none;min-height:14px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}