#root{min-height:100vh}.cover-leaving{opacity:0!important;pointer-events:none!important}.api-notice-visible{margin:0 16px 12px;display:block!important}.generating-visible{display:flex!important}.error-visible{margin-top:16px;display:block!important}.sidebar-about{color:var(--text-secondary);background:#fff;border:1px solid #00000012;border-radius:12px;padding:14px;font-size:12px;line-height:1.7}.art-svg-wrap{width:100%;height:100%;position:absolute;inset:0}.art-svg-wrap svg{width:100%;height:100%;display:block}.art-description{color:var(--text-secondary);background:#fff;border:1px solid #00000012;border-radius:12px;padding:16px 20px;font-size:14px;line-height:1.7}.sound-panel{text-align:center;background:#fff;border:1px solid #00000012;border-radius:16px;max-width:640px;margin:0 auto;padding:40px}.sound-icon{margin-bottom:20px;font-size:64px}.sound-panel h2{color:var(--text-primary);margin-bottom:12px;font-family:Noto Serif SC,serif;font-size:22px}.sound-desc{color:var(--text-secondary);margin-bottom:24px;font-size:14px;line-height:1.8}.sound-upload-zone{cursor:pointer;background:#f5f7fb;border:2px dashed #5a8cc84d;border-radius:12px;margin-bottom:20px;padding:32px;transition:border-color .2s}.sound-upload-zone:hover{border-color:#5a8cc899}.sound-upload-icon{margin-bottom:12px;font-size:32px}.sound-upload-hint{color:var(--text-muted);font-size:14px}.sound-upload-hint span{margin-top:6px;font-size:12px;display:block}.sound-file-name{color:var(--deep-sky);font-size:14px;font-weight:500}.sound-submit-btn{max-width:280px;margin:0 auto 16px}.sound-notice{margin:16px 0 0}.sound-result{text-align:left;border-radius:12px;margin:20px 0;padding:20px}.sound-result.positive{background:#e4f0eb;border:1px solid #5b8f7a4d}.sound-result.negative{background:#f5f7fb;border:1px solid #00000014}.sound-result-header{color:var(--text-primary);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:16px;font-weight:600;display:flex}.sound-confidence{color:var(--text-muted);font-size:13px;font-weight:500}.sound-call-type{color:var(--deep-sky);margin-bottom:8px;font-size:14px;font-weight:500}.sound-result-desc{color:var(--text-secondary);font-size:13px;line-height:1.7}.sound-types-grid{text-align:left;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;display:grid}.sound-type-card{background:#f5f7fb;border-radius:10px;padding:14px}.sound-type-emoji{margin-bottom:6px;font-size:20px}.sound-type-name{color:var(--text-primary);margin-bottom:4px;font-size:13px;font-weight:500}.sound-type-desc{color:var(--text-muted);font-size:11px}@media (width<=900px){.feature-cards{grid-template-columns:1fr}.info-strip{grid-template-columns:repeat(2,1fr)}.qa-layout{grid-template-columns:1fr;height:auto;min-height:auto}.qa-sidebar{display:none}.art-layout{grid-template-columns:1fr}.hero-banner{text-align:center;flex-direction:column;padding:32px 24px}.sound-types-grid{grid-template-columns:1fr}}:root{--snow:#f4f6f9;--ice:#e8eff8;--frost:#c8d8ee;--sky:#5b8fc9;--deep-sky:#2d5f9e;--night:#1a2540;--moon:#f0f4ff;--amber:#e8a840;--amber-light:#fdf3dc;--sage:#5b8f7a;--sage-light:#e4f0eb;--text-primary:#1a2540;--text-secondary:#4a5870;--text-muted:#8090a8;--border:#5a8cc826}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-primary);background:#0d1828;min-height:100vh;font-family:Noto Sans SC,sans-serif;overflow-x:hidden}#cover{z-index:100;cursor:pointer;background:linear-gradient(160deg,#0a1220 0%,#0d1f3c 40%,#122b52 70%,#0f2340 100%);flex-direction:column;justify-content:center;align-items:center;transition:opacity .8s;display:flex;position:fixed;inset:0}#cover .stars{position:absolute;inset:0;overflow:hidden}.star{animation:twinkle var(--d,3s) ease-in-out infinite alternate;background:#fff;border-radius:50%;position:absolute}@keyframes twinkle{0%{opacity:.2;transform:scale(.8)}to{opacity:1;transform:scale(1.2)}}.mountain-svg{width:100%;position:absolute;bottom:0}.cover-content{z-index:2;text-align:center;flex-direction:column;align-items:center;gap:24px;margin-top:-40px;display:flex;position:relative}.leopard-avatar{background:radial-gradient(circle at 40% 35%,#c8d0dc,#8898b0 60%,#4a5a70);border:3px solid #b4d2ff66;border-radius:50%;width:200px;height:200px;animation:4s ease-in-out infinite float;position:relative;overflow:hidden;box-shadow:0 0 60px #5a8cc84d,0 0 120px #5a8cc81a}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.cover-title{color:#e8f0ff;letter-spacing:8px;text-shadow:0 0 40px #78aaff99;font-family:ZCOOL XiaoWei,serif;font-size:52px;line-height:1}.cover-subtitle{color:#b4d2ffb3;letter-spacing:4px;font-family:Noto Serif SC,serif;font-size:16px}.cover-badge{color:#c8e1ffcc;letter-spacing:2px;background:#5a8cc826;border:1px solid #5a8cc84d;border-radius:40px;align-items:center;gap:8px;padding:10px 28px;font-size:13px;animation:2s ease-in-out infinite pulse-border;display:flex}@keyframes pulse-border{0%,to{border-color:#5a8cc84d;box-shadow:0 0 #5a8cc800}50%{border-color:#5a8cc899;box-shadow:0 0 0 6px #5a8cc80d}}.cover-badge:before{content:"";background:#5b8fc9;border-radius:50%;width:6px;height:6px;animation:1.5s ease-in-out infinite blink}@keyframes blink{50%{opacity:0}}#app{background:#f0f3f8;min-height:100vh}.app-header{z-index:50;background:linear-gradient(135deg,#0d1828 0%,#162b4a 100%);border-bottom:1px solid #5a8cc833;padding:0;position:sticky;top:0}.header-inner{align-items:center;gap:16px;max-width:1100px;margin:0 auto;padding:14px 24px;display:flex}.header-logo{background:linear-gradient(135deg,#8898b0,#5b6a80);border-radius:50%;flex-shrink:0;width:40px;height:40px}.header-title{color:#e8f0ff;letter-spacing:4px;font-family:ZCOOL XiaoWei,serif;font-size:22px}.header-subtitle{color:#b4d2ff80;letter-spacing:1px;margin-top:1px;font-size:12px}.tabs-bar{z-index:40;background:#fff;border-bottom:1px solid #00000012;position:sticky;top:69px}.tabs-inner{gap:0;max-width:1100px;margin:0 auto;padding:0 24px;display:flex}.tab-btn{color:#8090a8;cursor:pointer;letter-spacing:1px;white-space:nowrap;background:0 0;border:none;border-bottom:2.5px solid #0000;align-items:center;gap:8px;padding:16px 28px;font-family:Noto Sans SC,sans-serif;font-size:14px;font-weight:500;transition:color .2s,border-color .2s;display:flex}.tab-btn:hover{color:var(--deep-sky)}.tab-btn.active{color:var(--deep-sky);border-bottom-color:var(--deep-sky)}.tab-icon{font-size:18px}.content-area{max-width:1100px;margin:0 auto;padding:32px 24px}.tab-panel{display:none}.tab-panel.active{display:block}.hero-banner{color:#fff;background:linear-gradient(135deg,#0d1828 0%,#162b4a 60%,#1a3560 100%);border-radius:20px;align-items:center;gap:40px;margin-bottom:32px;padding:48px;display:flex;position:relative;overflow:hidden}.hero-banner:before{content:"";background:radial-gradient(circle,#5a8cc826 0%,#0000 70%);border-radius:50%;width:300px;height:300px;position:absolute;top:-60px;right:-60px}.hero-text{z-index:1;flex:1;position:relative}.hero-greeting{color:#b4d2ff99;letter-spacing:3px;margin-bottom:12px;font-size:13px}.hero-name{letter-spacing:6px;color:#e8f0ff;margin-bottom:16px;font-family:ZCOOL XiaoWei,serif;font-size:42px;line-height:1.2}.hero-desc{color:#c8dcffb3;max-width:480px;font-size:15px;font-weight:300;line-height:1.8}.hero-leopard-svg{z-index:1;flex-shrink:0;width:220px;height:220px;position:relative}.feature-cards{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.feature-card{cursor:pointer;background:#fff;border:1px solid #0000000f;border-radius:16px;padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}.feature-card:hover{border-color:#5a8cc84d;transform:translateY(-4px);box-shadow:0 16px 40px #1e3c781f}.feature-card-icon{border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:18px;font-size:26px;display:flex}.icon-chat{background:#eef3fc}.icon-art{background:#fdf3dc}.icon-sound{background:#e4f0eb}.feature-card h3{color:var(--text-primary);margin-bottom:10px;font-family:Noto Serif SC,serif;font-size:18px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:13px;line-height:1.7}.feature-card-arrow{color:var(--sky);align-items:center;gap:4px;margin-top:18px;font-size:13px;font-weight:500;display:flex}.qa-layout{grid-template-columns:280px 1fr;gap:24px;height:calc(100vh - 200px);min-height:600px;display:grid}.qa-sidebar{flex-direction:column;gap:12px;display:flex}.sidebar-section-title{color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:4px;padding:0 4px;font-size:11px;font-weight:500}.quick-q-btn{text-align:left;cursor:pointer;color:var(--text-secondary);background:#fff;border:1px solid #00000012;border-radius:10px;padding:12px 16px;font-family:Noto Sans SC,sans-serif;font-size:13px;line-height:1.5;transition:all .2s}.quick-q-btn:hover{color:var(--deep-sky);background:#eef3fc;border-color:#5a8cc84d}.chat-container{background:#fff;border:1px solid #00000012;border-radius:16px;flex-direction:column;display:flex;overflow:hidden}.chat-header{background:#fafbfd;border-bottom:1px solid #0000000f;align-items:center;gap:12px;padding:16px 24px;display:flex}.chat-avatar{color:#fff;background:linear-gradient(135deg,#8898b0,#5b6a80);border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}.chat-name{color:var(--text-primary);font-size:14px;font-weight:600}.chat-status{color:#5b8f7a;align-items:center;gap:4px;font-size:12px;display:flex}.status-dot{background:#5b8f7a;border-radius:50%;width:6px;height:6px}.chat-messages{flex-direction:column;flex:1;gap:20px;padding:24px;display:flex;overflow-y:auto}.msg{gap:12px;max-width:85%;display:flex}.msg.user{flex-direction:row-reverse;align-self:flex-end}.msg-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.msg-avatar.bot{background:linear-gradient(135deg,#8898b0,#5b6a80)}.msg-avatar.user-av{color:#fff;background:linear-gradient(135deg,#5b8fc9,#2d5f9e);font-size:13px;font-weight:600}.msg-bubble{border-radius:16px;padding:14px 18px;font-size:14px;line-height:1.7}.msg.bot .msg-bubble{color:var(--text-primary);background:#f0f4fc;border-bottom-left-radius:4px}.msg.user .msg-bubble{color:#fff;background:linear-gradient(135deg,#2d5f9e,#1a3a6e);border-bottom-right-radius:4px}.msg-bubble strong{font-weight:600}.stream-cursor{color:var(--sky);margin-left:1px;animation:1s step-end infinite blink;display:inline-block}.msg-bubble .fact-tag{color:var(--deep-sky);background:#5a8cc826;border-radius:4px;margin-right:4px;padding:1px 6px;font-size:11px;font-weight:500;display:inline-block}.typing-indicator{background:#f0f4fc;border-radius:16px 16px 16px 4px;align-items:center;gap:4px;width:fit-content;padding:14px 18px;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite typing}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.chat-input-area{background:#fafbfd;border-top:1px solid #0000000f;gap:10px;padding:16px 20px;display:flex}.chat-input{color:var(--text-primary);resize:none;background:#fff;border:1.5px solid #0000001a;border-radius:24px;outline:none;flex:1;padding:12px 20px;font-family:Noto Sans SC,sans-serif;font-size:14px;line-height:1.5;transition:border-color .2s}.chat-input:focus{border-color:var(--sky)}.send-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2d5f9e,#1a3a6e);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;transition:transform .15s,opacity .15s;display:flex}.send-btn:hover{transform:scale(1.08)}.send-btn:active{transform:scale(.95)}.art-layout{grid-template-columns:1fr 340px;gap:24px;display:grid}.art-main{flex-direction:column;gap:20px;display:flex}.art-canvas-area{aspect-ratio:700/480;background:#fff;border:1px solid #00000012;border-radius:16px;justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden}.art-placeholder{text-align:center;color:var(--text-muted);padding:60px}.art-placeholder-icon{opacity:.3;margin-bottom:20px;font-size:64px;display:block}.art-placeholder h3{color:var(--text-secondary);margin-bottom:8px;font-size:16px}.art-placeholder p{font-size:13px;line-height:1.6}.generated-image{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.generating-overlay{background:#f0f3f8e6;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:none;position:absolute;inset:0}.generating-spinner{border:3px solid #5a8cc833;border-top-color:var(--sky);border-radius:50%;width:48px;height:48px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.generating-text{color:var(--text-secondary);letter-spacing:1px;font-size:14px}.art-sidebar{flex-direction:column;gap:16px;display:flex}.art-card{background:#fff;border:1px solid #00000012;border-radius:16px;padding:20px}.art-card h3{color:var(--text-primary);margin-bottom:14px;font-family:Noto Serif SC,serif;font-size:15px;font-weight:600}.scene-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.scene-btn{cursor:pointer;text-align:center;color:var(--text-secondary);background:#f5f7fb;border:1.5px solid #0000;border-radius:10px;padding:10px 8px;font-family:Noto Sans SC,sans-serif;font-size:12px;line-height:1.4;transition:all .2s}.scene-btn:hover{color:var(--deep-sky);background:#eef3fc;border-color:#5a8cc866}.scene-btn.selected{border-color:var(--sky);color:var(--deep-sky);background:#eef3fc}.scene-btn .scene-emoji{margin-bottom:4px;font-size:22px;display:block}.style-pills{flex-wrap:wrap;gap:8px;display:flex}.style-pill{cursor:pointer;color:var(--text-secondary);background:#f5f7fb;border:1.5px solid #0000;border-radius:20px;padding:6px 14px;font-family:Noto Sans SC,sans-serif;font-size:12px;transition:all .2s}.style-pill:hover,.style-pill.selected{border-color:var(--sky);color:var(--deep-sky);background:#eef3fc}.art-prompt-area{background:#fff;border:1px solid #00000012;border-radius:16px;padding:20px}.art-prompt-label{color:var(--text-secondary);align-items:center;gap:6px;margin-bottom:10px;font-size:13px;font-weight:500;display:flex}.art-prompt-input{width:100%;color:var(--text-primary);resize:none;background:#fafbfd;border:1.5px solid #0000001a;border-radius:10px;outline:none;min-height:90px;padding:12px 16px;font-family:Noto Sans SC,sans-serif;font-size:13px;line-height:1.6;transition:border-color .2s}.art-prompt-input:focus{border-color:var(--sky);background:#fff}.generate-btn{color:#fff;cursor:pointer;letter-spacing:2px;background:linear-gradient(135deg,#2d5f9e,#1a3a6e);border:none;border-radius:10px;width:100%;margin-top:12px;padding:14px;font-family:Noto Sans SC,sans-serif;font-size:14px;font-weight:500;transition:opacity .2s,transform .15s}.generate-btn:hover{opacity:.9;transform:translateY(-1px)}.generate-btn:active{transform:scale(.98)}.info-strip{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;display:grid}.info-strip-card{text-align:center;background:#fff;border:1px solid #0000000f;border-radius:12px;padding:20px}.info-strip-num{color:var(--deep-sky);margin-bottom:4px;font-family:Noto Serif SC,serif;font-size:26px;font-weight:700}.info-strip-label{color:var(--text-muted);letter-spacing:1px;font-size:12px}.error-bubble{color:#b03030;background:#fff0f0;border:1px solid #b4323233;border-radius:10px;padding:12px 16px;font-size:13px;display:none}.gallery-section{margin-top:20px}.gallery-title{color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;font-size:13px;font-weight:500}.gallery-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.gallery-thumb{cursor:pointer;aspect-ratio:700/480;background:#f5f7fb;border:1px solid #00000012;border-radius:10px;justify-content:center;align-items:center;transition:transform .2s;display:flex;overflow:hidden}.gallery-thumb:hover{transform:scale(1.03)}.gallery-thumb img{object-fit:cover;width:100%;height:100%}.footer-bar{color:#b4d2ff66;text-align:center;letter-spacing:2px;background:#0d1828;margin-top:40px;padding:20px;font-size:12px}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:#5a8cc833;border-radius:2px}.api-notice{background:var(--amber-light);color:#7a5020;border:1px solid #e6a5324d;border-radius:10px;padding:10px 14px;font-size:12px;line-height:1.5;display:none}