@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Instrument+Serif:ital@0;1&display=swap";.kb-summary{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.kb-summary-header{border-bottom:1px solid var(--border);background:var(--bg-tertiary);justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.kb-summary-title-row{align-items:center;gap:8px;display:flex}.kb-icon{color:var(--accent)}.kb-summary-title{font-family:var(--font-mono);color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;font-size:.75rem;font-weight:500}.kb-refresh-btn{border-radius:var(--radius-xs);width:30px;height:30px;color:var(--text-muted);transition:all var(--transition);border:1px solid #0000;justify-content:center;align-items:center;display:flex}.kb-refresh-btn:hover:not(:disabled){color:var(--accent);border-color:var(--border-accent);background:var(--accent-dim)}.kb-refresh-btn:disabled{opacity:.5;cursor:not-allowed}.kb-refresh-icon{transition:transform .3s}.kb-refresh-icon.spinning{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.kb-stats-row{align-items:center;gap:0;padding:16px 18px;display:flex}.kb-stat{flex-direction:column;flex:1;align-items:center;gap:4px;padding:4px 8px;display:flex}.kb-stat-value{font-family:var(--font-mono);color:var(--text-primary);white-space:nowrap;font-size:.9rem;font-weight:600}.kb-stat-label{font-family:var(--font-mono);color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-size:.65rem}.kb-stat-divider{background:var(--border);flex-shrink:0;width:1px;height:32px}.kb-error{color:var(--error);justify-content:space-between;align-items:center;padding:12px 18px;font-size:.8rem;display:flex}.kb-retry-btn{font-family:var(--font-mono);border-radius:var(--radius-xs);color:var(--error);border:1px solid rgba(var(--error-rgb), .3);transition:all var(--transition);text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;font-size:.7rem}.kb-retry-btn:hover{background:rgba(var(--error-rgb), .1);border-color:var(--error)}@media (width<=640px){.kb-stats-row{flex-wrap:wrap;gap:8px;padding:14px}.kb-stat{flex:40%;min-width:0}.kb-stat-divider{display:none}.kb-stat-value{font-size:.82rem}}@media (width<=380px){.kb-stats-row{flex-direction:column;align-items:stretch}.kb-stat{flex-direction:row;justify-content:space-between;padding:6px 0}}.citation-card{background:var(--bg-card);border:1px solid var(--border);border-radius:0 var(--radius-sm) var(--radius-sm) 0;transition:border-color var(--transition), box-shadow var(--transition);margin-top:12px;position:relative;overflow:hidden}.citation-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-md)}.citation-accent-strip{background:linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);z-index:2;width:4px;position:absolute;top:0;bottom:0;left:0}.citation-torn-edge{z-index:1;background:repeating-linear-gradient(180deg, transparent 0px, transparent 3px, var(--bg-card) 3px, var(--bg-card) 4px, transparent 4px, transparent 8px);background:var(--accent-dim);opacity:.6;width:12px;position:absolute;top:0;bottom:0;left:4px;-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='100' preserveAspectRatio='none'%3E%3Cpath d='M0,0 Q6,4 2,8 Q8,12 1,16 Q7,20 3,24 Q9,28 2,32 Q6,36 1,40 Q8,44 3,48 Q7,52 2,56 Q9,60 1,64 Q6,68 3,72 Q8,76 2,80 Q7,84 1,88 Q9,92 3,96 Q6,100 0,100 L12,100 L12,0 Z' fill='white'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='100' preserveAspectRatio='none'%3E%3Cpath d='M0,0 Q6,4 2,8 Q8,12 1,16 Q7,20 3,24 Q9,28 2,32 Q6,36 1,40 Q8,44 3,48 Q7,52 2,56 Q9,60 1,64 Q6,68 3,72 Q8,76 2,80 Q7,84 1,88 Q9,92 3,96 Q6,100 0,100 L12,100 L12,0 Z' fill='white'/%3E%3C/svg%3E");-webkit-mask-size:12px 100%;mask-size:12px 100%}.citation-body{padding:16px 18px 16px 24px}.citation-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.citation-doc-info{align-items:center;gap:8px;min-width:0;display:flex}.citation-doc-icon{color:var(--accent);flex-shrink:0}.citation-doc-name{font-family:var(--font-body);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:600;overflow:hidden}.citation-badge{font-family:var(--font-mono);letter-spacing:.1em;color:var(--accent);background:var(--accent-dim);border:1px solid var(--border-accent);white-space:nowrap;border-radius:3px;flex-shrink:0;padding:3px 8px;font-size:.6rem;font-weight:600}.citation-meta{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:12px;margin-bottom:14px;padding-bottom:12px;display:flex}.citation-meta-item{font-family:var(--font-mono);color:var(--text-muted);font-size:.7rem}.citation-meta-label{color:var(--text-secondary);font-weight:500}.citation-pages{flex-direction:column;gap:12px;display:flex}.citation-page-item{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-xs);overflow:hidden}.citation-page-header{background:var(--bg-tertiary);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.citation-page-number{font-family:var(--font-mono);color:var(--accent);font-size:.7rem;font-weight:500}.citation-page-actions{align-items:center;gap:6px;display:flex}.citation-copy-btn{width:26px;height:26px;color:var(--text-muted);transition:all var(--transition);border-radius:4px;justify-content:center;align-items:center;display:flex}.citation-copy-btn:hover{color:var(--text-secondary);background:var(--bg-secondary)}.citation-copy-btn.copied{color:var(--success)}.citation-expand-btn{font-family:var(--font-mono);color:var(--text-muted);border:1px solid var(--border);transition:all var(--transition);text-transform:uppercase;letter-spacing:.04em;border-radius:3px;padding:3px 8px;font-size:.65rem}.citation-expand-btn:hover{color:var(--accent);border-color:var(--border-accent)}.citation-page-content{font-family:var(--font-mono);color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;max-height:160px;padding:12px 14px;font-size:.75rem;line-height:1.65;transition:max-height .35s;position:relative;overflow:hidden}.citation-page-content.expanded{max-height:none}.citation-page-content:not(.expanded):after{content:"";background:linear-gradient(transparent, var(--bg-primary));pointer-events:none;height:40px;position:absolute;bottom:0;left:0;right:0}.citation-ellipsis{color:var(--text-muted);font-weight:600}@media (width<=640px){.citation-body{padding:12px 14px 12px 20px}.citation-header{flex-direction:column;align-items:flex-start;gap:8px}.citation-meta{gap:8px}.citation-page-content{padding:10px 12px;font-size:.7rem}}.rag-chat{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;flex:1;min-height:500px;max-height:72vh;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border);background:var(--bg-tertiary);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.chat-header-left{align-items:center;gap:10px;display:flex}.chat-indicator{background:var(--success);width:8px;height:8px;box-shadow:0 0 8px rgba(var(--success-rgb), .4);border-radius:50%;animation:2s ease-in-out infinite pulse-green}@keyframes pulse-green{0%,to{opacity:1}50%{opacity:.5}}.chat-title{font-family:var(--font-mono);color:var(--text-secondary);letter-spacing:.03em;text-transform:uppercase;font-size:.8rem;font-weight:500}.chat-clear-btn{font-family:var(--font-mono);border-radius:var(--radius-xs);color:var(--text-muted);border:1px solid var(--border);transition:all var(--transition);text-transform:uppercase;letter-spacing:.05em;padding:4px 10px;font-size:.7rem}.chat-clear-btn:hover{color:var(--text-secondary);border-color:var(--text-muted);background:var(--bg-primary)}.chat-messages{flex-direction:column;flex:1;gap:24px;padding:24px 20px;display:flex;overflow-y:auto}.chat-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:48px 20px;display:flex}.chat-empty-icon{background:var(--accent-dim);border:1px solid var(--border-accent);width:64px;height:64px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;margin-bottom:20px;display:flex}.chat-empty-title{font-family:var(--font-heading);color:var(--text-primary);margin-bottom:8px;font-size:1.35rem}.chat-empty-desc{color:var(--text-muted);margin-bottom:28px;font-size:.85rem}.preset-chips{flex-wrap:wrap;justify-content:center;gap:8px;min-width:0;display:flex}.preset-chips--inline{border-top:1px solid var(--border);justify-content:flex-start;padding:12px 20px}.preset-chip{font-family:var(--font-body);background:var(--bg-tertiary);border:1px solid var(--border);min-width:0;max-width:100%;color:var(--text-secondary);transition:all var(--transition);white-space:nowrap;text-overflow:ellipsis;border-radius:20px;padding:8px 14px;font-size:.82rem;overflow:hidden}.preset-chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.preset-chip:disabled{opacity:.5;cursor:not-allowed}.preset-chip--small{padding:5px 11px;font-size:.75rem}.chat-message{flex-direction:column;gap:8px;display:flex}.chat-message--user{align-items:flex-end}.chat-message--user .message-content{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius) var(--radius) var(--radius-xs) var(--radius);max-width:85%;padding:12px 16px}.chat-message--assistant .message-content{background:0 0;max-width:100%;padding:4px 0;line-height:1.5}.message-role-tag{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:0 2px;font-size:.65rem;font-weight:600}.chat-message--user .message-role-tag{color:var(--accent)}.message-content{color:var(--text-primary);word-break:break-word;font-size:.9rem}.chat-message--user .message-content{white-space:pre-wrap}.streaming-indicator{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:12px;padding:12px 16px;display:flex}.streaming-dots{gap:4px;display:flex}.streaming-dots span{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite dot-bounce}.streaming-dots span:nth-child(2){animation-delay:.16s}.streaming-dots span:nth-child(3){animation-delay:.32s}@keyframes dot-bounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.streaming-text{font-family:var(--font-mono);color:var(--text-muted);font-size:.75rem}.stop-btn{font-family:var(--font-mono);border-radius:var(--radius-xs);color:var(--error);border:1px solid rgba(var(--error-rgb), .3);transition:all var(--transition);text-transform:uppercase;letter-spacing:.05em;margin-left:auto;padding:4px 10px;font-size:.7rem}.stop-btn:hover{background:rgba(var(--error-rgb), .1);border-color:var(--error)}.chat-error{background:rgba(var(--error-rgb), .08);border:1px solid rgba(var(--error-rgb), .25);border-radius:var(--radius-sm);color:var(--error);align-items:center;gap:10px;padding:12px 16px;font-size:.82rem;display:flex}.chat-input-bar{border-top:1px solid var(--border);background:var(--bg-tertiary);align-items:center;gap:12px;padding:16px 20px;display:flex}.chat-input{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color var(--transition);flex:1;padding:12px 16px;font-size:.88rem}.chat-input::placeholder{color:var(--text-muted)}.chat-input:focus{border-color:var(--accent);box-shadow:var(--shadow-focus)}.chat-input:disabled{opacity:.6}.chat-send-btn{border-radius:var(--radius-sm);background:var(--accent);width:42px;height:42px;color:var(--bg-primary);transition:all var(--transition);flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-send-btn:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 4px 12px rgba(var(--accent-rgb), .3);transform:translateY(-1px)}.chat-send-btn:active:not(:disabled){transform:translateY(0)}.chat-send-btn:disabled{opacity:.35;cursor:not-allowed}.chat-clear-circle-btn{width:36px;height:36px;color:var(--text-secondary);transition:all var(--transition);border:1px solid var(--border);background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-clear-circle-btn:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--text-secondary)}.chat-clear-circle-btn:active:not(:disabled){transform:scale(.92)}.chat-clear-circle-btn:disabled{opacity:.35;cursor:not-allowed}@media (width<=640px){.rag-chat{border-radius:var(--radius);min-height:400px;max-height:none}.chat-messages{padding:16px 14px}.chat-input-bar{padding:12px 14px}.chat-empty{padding:32px 16px}.preset-chips{gap:6px}.preset-chip{padding:6px 11px;font-size:.76rem}}.message-content h1,.message-content h2,.message-content h3,.message-content h4{font-family:var(--font-heading);color:var(--text-primary);font-weight:400;line-height:1.4}.message-content h1{border-bottom:1px solid rgba(var(--accent-rgb), .2);color:var(--accent);text-shadow:0 0 28px rgba(var(--accent-rgb), .15);letter-spacing:-.01em;margin:1em 0 .4em;padding-bottom:.35em;font-size:1.28em}.message-content h2{border-left:2.5px solid var(--accent);margin:.85em 0 .3em;padding-left:.7em;font-size:1.12em}.message-content h3{color:var(--text-secondary);font-size:1em;font-family:var(--font-body);letter-spacing:.01em;margin:.7em 0 .25em;font-weight:600}.message-content h3:before{content:"›";color:var(--accent);font-style:normal;font-family:var(--font-mono);margin-right:.38em}.message-content h4{font-size:.8em;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--accent);opacity:.75;margin:.6em 0 .2em;font-weight:600}.message-content p{margin:.5em 0;line-height:1.75}.message-content strong{color:var(--accent);font-weight:600}.message-content em{font-family:var(--font-heading);color:var(--text-secondary);font-style:italic}.message-content ul{margin:.4em 0;padding-left:.6em;list-style:none}.message-content ul li{margin:.35em 0;padding-left:1.8em;line-height:1.7;position:relative}.message-content ul li:before{content:"◆";color:var(--accent);font-size:.45em;line-height:2.5;position:absolute;top:.05em;left:0}.message-content ol{counter-reset:md-ol;margin:.4em 0;padding-left:.6em;list-style:none}.message-content ol li{counter-increment:md-ol;margin:.35em 0;padding-left:2.2em;line-height:1.7;position:relative}.message-content ol li:before{content:counter(md-ol);text-align:right;width:1.4em;font-family:var(--font-mono);color:var(--accent);opacity:.8;font-size:.76em;font-weight:700;line-height:1.8;position:absolute;top:0;left:0}.message-content li>ul,.message-content li>ol{margin:.1em 0 .1em .3em}.message-content li>ul>li:before{content:"–";color:var(--text-muted);font-size:.8em;line-height:1.9}.message-content code{font-family:var(--font-mono);background:rgba(var(--accent-rgb), .07);border:1px solid rgba(var(--accent-rgb), .2);color:var(--accent);border-radius:4px;padding:.12em .45em;font-size:.82em}.message-content pre{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);margin:.6em 0;position:relative;overflow:hidden}.message-content pre:before{content:"● ● ●";letter-spacing:.35em;color:var(--text-muted);background:var(--bg-tertiary);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none;padding:.5em .85em;font-size:.62em;display:block}.message-content pre code{color:var(--text-secondary);background:0 0;border:none;padding:.9em 1em;font-size:.83em;line-height:1.7;display:block;overflow-x:auto}.message-content blockquote{background:linear-gradient(90deg, rgba(var(--accent-rgb), .06) 0%, transparent 80%);border-radius:0 var(--radius-xs) var(--radius-xs) 0;border-left:none;margin:.6em 0;padding:.65em 1em .65em 1.15em;position:relative}.message-content blockquote:before{content:"";background:linear-gradient(180deg, var(--accent) 0%, rgba(var(--accent-rgb), .25) 100%);border-radius:2px;width:2.5px;position:absolute;top:0;bottom:0;left:0}.message-content blockquote p{font-family:var(--font-heading);color:var(--text-secondary);margin:0;font-size:.96em;font-style:italic;line-height:1.75}.message-content a{color:var(--accent);border-bottom:1px solid rgba(var(--accent-rgb), .3);transition:border-color var(--transition), color var(--transition);text-decoration:none}.message-content a:hover{color:var(--accent-hover);border-bottom-color:var(--accent-hover)}.message-content hr{background:linear-gradient(90deg, transparent, var(--accent-dim), var(--border-accent), var(--accent-dim), transparent);border:none;height:1px;margin:.9em 0}.message-content table{border-collapse:collapse;width:100%;margin:.65em 0;font-size:.87em}.message-content th,.message-content td{border:1px solid var(--border);text-align:left;padding:.42em .75em}.message-content th{background:rgba(var(--accent-rgb), .07);color:var(--accent);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.07em;border-color:rgba(var(--accent-rgb), .18);font-size:.78em;font-weight:600}.message-content tr:hover td{background:#65544a0d}.seasonal-indicator{z-index:1000;position:fixed;top:14px;right:96px}.seasonal-pill{background:var(--bg-glass);border:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;color:var(--text-primary,#2a2520);font-family:var(--font-body,sans-serif);border-radius:20px;align-items:center;gap:8px;padding:7px 14px 7px 11px;line-height:1;transition:background .3s,box-shadow .3s,transform .2s;display:inline-flex}.seasonal-pill:hover{background:var(--bg-card);box-shadow:0 0 20px var(--accent-glow)}.seasonal-pill:active{transform:scale(.97)}.seasonal-pill__dot{width:10px;height:10px;box-shadow:0 0 6px var(--accent-glow);border-radius:50%;flex-shrink:0;transition:background .4s}.seasonal-pill__zh{color:var(--text-primary,#2a2520);letter-spacing:.5px;font-size:13px;font-weight:600}.seasonal-pill__en{color:var(--text-primary,#2a2520);font-size:12px}.seasonal-pill__caret{color:var(--text-muted,#9c8b7e);margin-left:2px;font-size:10px}.seasonal-popover{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);width:248px;max-width:calc(100vw - 36px);box-shadow:var(--shadow-md);z-index:1001;font-family:var(--font-body,sans-serif);border-radius:14px;flex-direction:column;gap:10px;padding:12px 14px 14px;animation:.22s cubic-bezier(.16,1,.3,1) seasonalPopoverIn;display:flex;position:fixed;top:56px;right:18px}@keyframes seasonalPopoverIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.seasonal-popover__head{justify-content:space-between;align-items:center;display:flex}.seasonal-popover__title{font-family:var(--font-heading,serif);color:var(--text-primary,#2a2520);letter-spacing:.5px;margin:0;font-size:13px;font-weight:400}.seasonal-popover__auto{border:1px solid var(--border-accent);color:var(--accent,#c98c2a);cursor:pointer;letter-spacing:.5px;background:0 0;border-radius:999px;padding:3px 9px;font-family:inherit;font-size:10px;transition:background .2s,color .2s}.seasonal-popover__auto:hover,.seasonal-popover__auto[aria-pressed=true]{background:var(--accent-subtle);color:var(--accent-hover,#d49a37)}.seasonal-swatches{grid-template-columns:repeat(6,1fr);gap:5px;display:grid}.seasonal-swatch{appearance:none;cursor:pointer;height:32px;font-family:var(--font-heading,serif);letter-spacing:1px;text-shadow:0 1px 1px #0000001f;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;padding:0 2px;font-size:12px;font-weight:600;transition:transform .15s,box-shadow .2s,border-color .2s;display:flex}.seasonal-swatch:hover,.seasonal-swatch:focus-visible{outline:none;transform:translateY(-1px)scale(1.06);box-shadow:0 4px 12px #00000026}.seasonal-swatch--active{border-color:var(--bg-card);box-shadow:0 0 0 2px}.seasonal-swatch__char{white-space:nowrap;text-overflow:clip;max-width:100%;line-height:1;display:inline-block;overflow:hidden}@media (width<=640px){.seasonal-indicator{right:80px}.seasonal-popover{width:calc(100vw - 36px)}}:root{--bg-primary:#fbf7ef;--bg-secondary:#f3ece1;--bg-tertiary:#ebe2d3;--bg-card:#fffaf0;--bg-glass:#fffbf3c7;--text-primary:#2a2520;--text-secondary:#65544a;--text-muted:#9c8b7e;--accent:#c98c2a;--accent-2:#b07d24;--accent-dim:#c98c2a33;--accent-glow:#c98c2a1f;--accent-subtle:#c98c2a12;--accent-hover:#d49a37;--accent-rgb:201, 140, 42;--border:#e2d7c5;--border-accent:#c98c2a66;--error:#c0392b;--error-rgb:192, 57, 43;--success:#2f8f5e;--success-rgb:47, 143, 94;--font-heading:"Instrument Serif", Georgia, serif;--font-body:"IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"IBM Plex Mono", "Fira Code", monospace;--radius-lg:16px;--radius:12px;--radius-sm:8px;--radius-xs:6px;--shadow-card:0 2px 8px #65544a14, 0 8px 32px #65544a0f;--shadow-md:0 4px 16px #65544a1f;--shadow-focus:0 0 0 3px var(--accent-glow);--transition:.2s cubic-bezier(.4, 0, .2, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--font-body);background-color:var(--bg-primary);min-height:100dvh;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;align-items:center;padding:0;line-height:1.6;display:flex}#root{flex-direction:column;align-items:center;width:100%;min-height:100dvh;display:flex}::selection{background:var(--accent-dim);color:var(--accent)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea{color:inherit;background:0 0;border:none;outline:none;font-family:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}:root[data-season=li-chun]{--accent:#5d9559;--accent-2:#4a7e47;--accent-hover:#6ca468;--accent-dim:#5d955933;--accent-glow:#5d95592e;--accent-subtle:#5d95591a;--accent-rgb:93,149,89;--bg-primary:#fafdf7;--bg-secondary:#e8f1e0;--bg-tertiary:#dbe9d2;--bg-card:#f5faf1;--bg-glass:#fafdf7c7;--text-primary:#1d3320;--text-secondary:#4a6147;--text-muted:#7a9173;--border:#cfdec7;--border-accent:#7fb06966}:root[data-season=yu-shui]{--accent:#4f8a4a;--accent-2:#3d7038;--accent-hover:#5fa159;--accent-dim:#4f8a4a33;--accent-glow:#4f8a4a2e;--accent-subtle:#4f8a4a1a;--accent-rgb:79,138,74;--bg-primary:#f7fbf3;--bg-secondary:#e3eedf;--bg-tertiary:#d2e2cb;--bg-card:#f1f8ed;--bg-glass:#f7fbf3c7;--text-primary:#1f2f1a;--text-secondary:#475a40;--text-muted:#768b6e;--border:#c6d8c0;--border-accent:#6a994e66}:root[data-season=jing-zhe]{--accent:#3f7f3d;--accent-2:#306c2e;--accent-hover:#509650;--accent-dim:#3f7f3d38;--accent-glow:#3f7f3d2e;--accent-subtle:#3f7f3d1a;--accent-rgb:63,127,61;--bg-primary:#f5faf0;--bg-secondary:#dfeed8;--bg-tertiary:#cce3c1;--bg-card:#ebf4e2;--bg-glass:#f5faf0c7;--text-primary:#1a2c14;--text-secondary:#40583a;--text-muted:#71896a;--border:#b8d3a9;--border-accent:#4f8f4a73}:root[data-season=chun-fen]{--accent:#4a9183;--accent-2:#356b60;--accent-hover:#5baba0;--accent-dim:#4a918338;--accent-glow:#4a91832e;--accent-subtle:#4a91831a;--accent-rgb:74,145,131;--bg-primary:#f3f9f5;--bg-secondary:#d8ece2;--bg-tertiary:#c4dfd2;--bg-card:#e8f4ee;--bg-glass:#f3f9f5c7;--text-primary:#102b25;--text-secondary:#395549;--text-muted:#658270;--border:#aecfc1;--border-accent:#5da38f73}:root[data-season=qing-ming]{--accent:#6e9656;--accent-2:#517540;--accent-hover:#80aa68;--accent-dim:#6e965638;--accent-glow:#6e96562e;--accent-subtle:#6e96561a;--accent-rgb:110,150,86;--bg-primary:#f8fbf2;--bg-secondary:#e1ecd5;--bg-tertiary:#d0e0bf;--bg-card:#f0f6e8;--bg-glass:#f8fbf2c7;--text-primary:#1f2c14;--text-secondary:#475a35;--text-muted:#768966;--border:#c4d6b0;--border-accent:#86a86e73}:root[data-season=gu-yu]{--accent:#a8a954;--accent-2:#84833f;--accent-hover:#b8b967;--accent-dim:#a8a95438;--accent-glow:#a8a9542e;--accent-subtle:#a8a9541a;--accent-rgb:168,169,84;--bg-primary:#fbfcf2;--bg-secondary:#ecefcf;--bg-tertiary:#dde0b8;--bg-card:#f6f9e7;--bg-glass:#fbfcf2c7;--text-primary:#29291a;--text-secondary:#535342;--text-muted:#837e65;--border:#d3d6a8;--border-accent:#b8b96e73}:root[data-season=li-xia]{--accent:#58aa94;--accent-2:#3f8872;--accent-hover:#6cbca5;--accent-dim:#58aa9438;--accent-glow:#58aa942e;--accent-subtle:#58aa941a;--accent-rgb:88,170,148;--bg-primary:#f3faf5;--bg-secondary:#d2ebde;--bg-tertiary:#b6d8c5;--bg-card:#eef8f1;--bg-glass:#f3faf5c7;--text-primary:#14382a;--text-secondary:#325b48;--text-muted:#65877a;--border:#b8dac7;--border-accent:#58aa9473}:root[data-season=xiao-man]{--accent:#6baec4;--accent-2:#4e8aa0;--accent-hover:#82c0d2;--accent-dim:#6baec438;--accent-glow:#6baec42e;--accent-subtle:#6baec41a;--accent-rgb:107,174,196;--bg-primary:#f0f6fa;--bg-secondary:#cfe1ed;--bg-tertiary:#b2c9d9;--bg-card:#e9f2f8;--bg-glass:#f0f6fac7;--text-primary:#102a3a;--text-secondary:#2f4f60;--text-muted:#5d7d8e;--border:#afcad9;--border-accent:#6baec473}:root[data-season=mang-zhong]{--accent:#4c92c4;--accent-2:#386f9a;--accent-hover:#65a5d4;--accent-dim:#4c92c438;--accent-glow:#4c92c42e;--accent-subtle:#4c92c41a;--accent-rgb:76,146,196;--bg-primary:#edf4f8;--bg-secondary:#c6dbeb;--bg-tertiary:#a4c1da;--bg-card:#e4eef6;--bg-glass:#edf4f8c7;--text-primary:#102840;--text-secondary:#304a64;--text-muted:#566f8a;--border:#9ebed9;--border-accent:#4c92c480}:root[data-season=xia-zhi]{--accent:#3c6c94;--accent-2:#284f6e;--accent-hover:#5286ad;--accent-dim:#3c6c9438;--accent-glow:#3c6c942e;--accent-subtle:#3c6c941a;--accent-rgb:60,108,148;--bg-primary:#ebf1f7;--bg-secondary:#c1d2e4;--bg-tertiary:#9bb6cf;--bg-card:#dfe9f3;--bg-glass:#ebf1f7c7;--text-primary:#0e2240;--text-secondary:#2d4263;--text-muted:#506484;--border:#93b1cc;--border-accent:#3c6c9480}:root[data-season=xiao-shu]{--accent:#5c8eb8;--accent-2:#426c8e;--accent-hover:#76a4c8;--accent-dim:#5c8eb838;--accent-glow:#5c8eb82e;--accent-subtle:#5c8eb81a;--accent-rgb:92,142,184;--bg-primary:#f0f4fa;--bg-secondary:#c9d8eb;--bg-tertiary:#a8bcd4;--bg-card:#e6eef7;--bg-glass:#f0f4fac7;--text-primary:#102a3c;--text-secondary:#2f4a60;--text-muted:#556e86;--border:#9fb8d6;--border-accent:#5c8eb880}:root[data-season=da-shu]{--accent:#7c8cc4;--accent-2:#5c6ca0;--accent-hover:#94a3d6;--accent-dim:#7c8cc438;--accent-glow:#7c8cc42e;--accent-subtle:#7c8cc41a;--accent-rgb:124,140,196;--bg-primary:#f1f2fa;--bg-secondary:#ccd1ec;--bg-tertiary:#adb4d9;--bg-card:#e8eaf7;--bg-glass:#f1f2fac7;--text-primary:#1a1c40;--text-secondary:#383a64;--text-muted:#5e6086;--border:#a8aedb;--border-accent:#7c8cc480}:root[data-season=li-qiu]{--accent:#c08e34;--accent-2:#956a1f;--accent-hover:#d6a04a;--accent-dim:#c08e3438;--accent-glow:#c08e342e;--accent-subtle:#c08e341a;--accent-rgb:192,142,52;--bg-primary:#fbf6ed;--bg-secondary:#efd9b1;--bg-tertiary:#ddc28b;--bg-card:#f8eedb;--bg-glass:#fbf6edc7;--text-primary:#382710;--text-secondary:#68502c;--text-muted:#94794e;--border:#d8ba83;--border-accent:#c08e3473}:root[data-season=chu-shu]{--accent:#b2742a;--accent-2:#85571a;--accent-hover:#c98a3e;--accent-dim:#b2742a38;--accent-glow:#b2742a2e;--accent-subtle:#b2742a1a;--accent-rgb:178,116,42;--bg-primary:#faf3e8;--bg-secondary:#ecd29c;--bg-tertiary:#d4b572;--bg-card:#f6ead2;--bg-glass:#faf3e8c7;--text-primary:#35280c;--text-secondary:#5f4926;--text-muted:#886f44;--border:#cda86e;--border-accent:#b2742a73}:root[data-season=bai-lu]{--accent:#b88c50;--accent-2:#8d6a36;--accent-hover:#cda168;--accent-dim:#b88c5038;--accent-glow:#b88c502e;--accent-subtle:#b88c501a;--accent-rgb:184,140,80;--bg-primary:#f9f4e8;--bg-secondary:#ecd8b6;--bg-tertiary:#d6bf8b;--bg-card:#f7eed9;--bg-glass:#f9f4e8c7;--text-primary:#2f2713;--text-secondary:#594b29;--text-muted:#87734c;--border:#d3bd8c;--border-accent:#b88c5080}:root[data-season=qiu-fen]{--accent:#a85428;--accent-2:#823e18;--accent-hover:#c0683c;--accent-dim:#a8542838;--accent-glow:#a854282e;--accent-subtle:#a854281a;--accent-rgb:168,84,40;--bg-primary:#faece0;--bg-secondary:#ebc4a4;--bg-tertiary:#d9a378;--bg-card:#f7e2ce;--bg-glass:#faece0c7;--text-primary:#381305;--text-secondary:#68341d;--text-muted:#956549;--border:#c89570;--border-accent:#a8542880}:root[data-season=han-lu]{--accent:#985034;--accent-2:#743722;--accent-hover:#b0684a;--accent-dim:#98503438;--accent-glow:#9850342e;--accent-subtle:#9850341a;--accent-rgb:152,80,52;--bg-primary:#f9e8da;--bg-secondary:#e7b89a;--bg-tertiary:#d49175;--bg-card:#f7ddc8;--bg-glass:#f9e8dac7;--text-primary:#361206;--text-secondary:#643323;--text-muted:#8d6050;--border:#bb8868;--border-accent:#98503480}:root[data-season=shuang-jiang]{--accent:#904828;--accent-2:#6c301a;--accent-hover:#ac5e3a;--accent-dim:#90482838;--accent-glow:#9048282e;--accent-subtle:#9048281a;--accent-rgb:144,72,40;--bg-primary:#f8e3d5;--bg-secondary:#e1a983;--bg-tertiary:#c8855a;--bg-card:#f6d6c1;--bg-glass:#f8e3d5c7;--text-primary:#321004;--text-secondary:#5d2b1f;--text-muted:#82584b;--border:#a96e58;--border-accent:#90482880}:root[data-season=li-dong]{--accent:#b84820;--accent-2:#8c3010;--accent-hover:#cb5d35;--accent-dim:#b8482038;--accent-glow:#b848202e;--accent-subtle:#b848201a;--accent-rgb:184,72,32;--bg-primary:#fbf0e9;--bg-secondary:#f1d3c2;--bg-tertiary:#e0b09a;--bg-card:#f7e0d2;--bg-glass:#fbf0e9c7;--text-primary:#3a1a10;--text-secondary:#5c2a1c;--text-muted:#834536;--border:#dca08e;--border-accent:#b8482080}:root[data-season=xiao-xue]{--accent:#bc5434;--accent-2:#8e3a20;--accent-hover:#d06e4d;--accent-dim:#bc543438;--accent-glow:#bc54342e;--accent-subtle:#bc54341a;--accent-rgb:188,84,52;--bg-primary:#fbeee5;--bg-secondary:#f0c8b8;--bg-tertiary:#dfa891;--bg-card:#f7dccd;--bg-glass:#fbeee5c7;--text-primary:#401a10;--text-secondary:#60301c;--text-muted:#874b35;--border:#dc9684;--border-accent:#bc543480}:root[data-season=da-xue]{--accent:#a8342a;--accent-2:#7c2018;--accent-hover:#c04a3f;--accent-dim:#a8342a38;--accent-glow:#a8342a2e;--accent-subtle:#a8342a1a;--accent-rgb:168,52,42;--bg-primary:#fae9e3;--bg-secondary:#ecbfb6;--bg-tertiary:#d59c91;--bg-card:#f7d6cc;--bg-glass:#fae9e3c7;--text-primary:#40120e;--text-secondary:#5e2a22;--text-muted:#854038;--border:#d08680;--border-accent:#a8342a80}:root[data-season=dong-zhi]{--accent:#b03c2e;--accent-2:#822418;--accent-hover:#c45344;--accent-dim:#b03c2e38;--accent-glow:#b03c2e2e;--accent-subtle:#b03c2e1a;--accent-rgb:176,60,46;--bg-primary:#fbeeed;--bg-secondary:#ecc1bd;--bg-tertiary:#d69893;--bg-card:#f7dcd8;--bg-glass:#fbeeedc7;--text-primary:#3c100c;--text-secondary:#5a221c;--text-muted:#82382f;--border:#cc8a83;--border-accent:#b03c2e80}:root[data-season=xiao-han]{--accent:#b24c28;--accent-2:#823218;--accent-hover:#c96542;--accent-dim:#b24c2838;--accent-glow:#b24c282e;--accent-subtle:#b24c281a;--accent-rgb:178,76,40;--bg-primary:#fceeeb;--bg-secondary:#eebfaf;--bg-tertiary:#db9983;--bg-card:#f6d6cd;--bg-glass:#fceeebc7;--text-primary:#3c1810;--text-secondary:#5a2a1c;--text-muted:#834236;--border:#c68880;--border-accent:#b24c2880}:root[data-season=da-han]{--accent:#844428;--accent-2:#5e2810;--accent-hover:#9a5c3c;--accent-dim:#84442838;--accent-glow:#8444282e;--accent-subtle:#8444281a;--accent-rgb:132,68,40;--bg-primary:#f8ebe2;--bg-secondary:#e0bfa8;--bg-tertiary:#c8987c;--bg-card:#f5d8c8;--bg-glass:#f8ebe2c7;--text-primary:#321008;--text-secondary:#4e2010;--text-muted:#6e3a23;--border:#b0826c;--border-accent:#8444288c}html,body,a,button,input,textarea{transition:background-color .4s,color .4s,border-color .4s,box-shadow .4s,fill .4s,stroke .4s}.app-shell{flex-direction:column;gap:0;width:100%;max-width:820px;min-height:100dvh;padding:0 20px;display:flex}.app-header{padding:40px 0 32px;position:relative}.app-header:after{content:"";background:linear-gradient(90deg, transparent, var(--border), var(--border-accent), var(--border), transparent);height:1px;position:absolute;bottom:0;left:0;right:0}.app-brand{align-items:center;gap:16px;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);width:44px;height:44px;box-shadow:0 4px 12px rgba(var(--accent-rgb), .2);border-radius:10px;flex-shrink:0;position:relative}.brand-mark:before{content:"";border:2.5px solid #fffbf3d9;border-radius:4px;width:20px;height:20px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.brand-mark:after{content:"";background:#fffbf3b3;border-radius:2px;width:8px;height:8px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.brand-text h1{font-family:var(--font-heading);letter-spacing:-.01em;color:var(--text-primary);font-size:1.75rem;font-weight:400;line-height:1.2}.brand-text p{font-family:var(--font-mono);color:var(--text-muted);letter-spacing:.02em;margin-top:4px;font-size:.75rem}.app-main{flex-direction:column;flex:1;gap:24px;padding:28px 0 40px;display:flex}.lang-toggle{z-index:1000;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:none;border:1px solid var(--border);cursor:pointer;border-radius:20px;align-items:center;gap:2px;padding:6px 14px;line-height:1;transition:background .3s,box-shadow .3s;display:flex;position:fixed;top:14px;right:18px}.lang-toggle:hover{background:var(--bg-card);box-shadow:0 0 20px rgba(var(--accent-rgb), .18)}.lang-toggle:active{transform:scale(.96)}.lang-toggle__label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:400;transition:font-size .35s cubic-bezier(.4,0,.2,1),color .35s cubic-bezier(.4,0,.2,1),font-weight .35s cubic-bezier(.4,0,.2,1),transform .35s cubic-bezier(.4,0,.2,1),text-shadow .35s;display:inline-block;transform:scale(.9)}.lang-toggle__label--active{color:var(--accent);text-shadow:0 0 12px rgba(var(--accent-rgb), .38);font-size:14px;font-weight:700;transform:scale(1)}.lang-toggle__sep{color:var(--text-muted);opacity:.5;-webkit-user-select:none;user-select:none;margin:0 3px;font-size:11px}@media (width<=640px){.app-shell{padding:0 16px}.app-header{padding:28px 0 24px}.brand-text h1{font-size:1.4rem}.brand-mark{width:36px;height:36px}.brand-mark:before{width:16px;height:16px}.brand-mark:after{width:6px;height:6px}}