:root{color-scheme:light;font-family:Source Han Sans SC,MiSans,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.45;font-weight:400;background:radial-gradient(circle at top,rgba(247,162,63,.18),transparent 34%),radial-gradient(circle at bottom right,rgba(34,102,186,.18),transparent 28%),linear-gradient(180deg,#f5f0e8,#eef3f8 44%,#e8edf1);color:#1f2937;--bg-card: rgba(255, 255, 255, .72);--bg-card-strong: rgba(255, 255, 255, .9);--bg-dark: #11233d;--bg-accent: #f28e2b;--bg-subtle: rgba(17, 35, 61, .05);--line-soft: rgba(17, 35, 61, .08);--line-strong: rgba(17, 35, 61, .16);--text-main: #17263c;--text-muted: #66768a;--text-soft: #8d98a8;--success: #0d8a68;--danger: #cb4f2d;--shadow-lg: 0 26px 60px rgba(18, 31, 51, .12);--shadow-md: 0 14px 30px rgba(18, 31, 51, .08);--radius-xl: 30px;--radius-lg: 24px;--radius-md: 18px;--nav-height: 78px;--nav-bottom-gap: 12px}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{color:var(--text-main);background:transparent}button,input,textarea{font:inherit}button{cursor:pointer;border:none}input,textarea{width:100%;border:1px solid var(--line-soft);border-radius:20px;background:#ffffffe0;padding:14px 16px;color:var(--text-main);transition:border-color .2s ease,box-shadow .2s ease}input:focus,textarea:focus{outline:none;border-color:#ff9d2e8f;box-shadow:0 0 0 4px #ff9d2e24}textarea{resize:none}.mobile-frame{min-height:100vh;max-width:520px;margin:0 auto;padding:14px 14px calc(110px + env(safe-area-inset-bottom))}.panel__kicker,.result-card__eyebrow{margin:0 0 6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#ffffffad}.panel h2,.panel h3{margin:0}.page-body,.auth-page,.chat-page,.history-page,.profile-page{display:grid;gap:14px;margin-top:0}.chat-page{padding-bottom:332px}.panel,.message__bubble,.typing-card,.empty-state{border:1px solid rgba(255,255,255,.56);border-radius:var(--radius-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow-md)}.panel{padding:18px}.panel--tight{padding:14px 18px}.panel__header,.history-item__meta,.history-item__footer,.toggle-row,.info-row,.demo-box,.composer{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel__header{align-items:flex-start}.panel__header span,.agent-welcome,.hero-card__desc,.info-row span,.history-item__footer span{color:var(--text-muted)}.auth-page{max-width:520px;margin:0 auto;min-height:100vh;padding:18px 14px;align-content:center}.auth-brand{display:grid;gap:6px;padding:4px 6px}.auth-brand__eyebrow{margin:0;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-soft)}.auth-brand h1{margin:0;font-size:34px;letter-spacing:-.04em}.auth-brand span{color:var(--text-muted)}.auth-panel{padding:20px 18px 18px}.form-stack{display:grid;gap:14px}.field{display:grid;gap:8px;color:var(--text-muted)}.field span{font-size:14px}.primary-button,.ghost-button,.danger-button{min-height:46px;border-radius:18px;font-weight:700;transition:transform .2s ease,opacity .2s ease}.primary-button:active,.ghost-button:active,.danger-button:active{transform:translateY(1px)}.primary-button{background:linear-gradient(135deg,#f5a03b,#ff7b53);color:#fff;box-shadow:0 14px 28px #ff814d38}.ghost-button{padding:0 16px;border:1px solid var(--line-strong);background:#ffffffb3;color:var(--text-main)}.text-button{padding:0;background:transparent;color:var(--text-muted);font-size:13px;font-weight:600}.danger-button{background:#132238;color:#fff}.primary-button:disabled,.ghost-button:disabled,.danger-button:disabled{opacity:.55;cursor:not-allowed}.demo-inline{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-muted)}.demo-inline strong{color:var(--text-main)}.feedback{padding:12px 14px;border-radius:16px;font-size:14px}.feedback--error{color:#9f2f23;background:#ffe4ddd6}.feedback--success{color:#0b6b51;background:#dbf9efd6}.agent-strip{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 4px 0}.agent-strip strong{display:block;font-size:17px;font-weight:800}.agent-strip span{color:var(--text-soft);font-size:12px}.message-list{display:grid;gap:12px;min-height:48vh;max-height:calc(100vh - 360px);overflow-y:auto;padding-right:2px;padding-bottom:28px}.message{display:grid;gap:6px}.message__meta{display:flex;justify-content:space-between;font-size:11px;color:var(--text-soft);padding:0 8px}.message__bubble{padding:14px 14px 13px}.message--user .message__bubble{background:linear-gradient(135deg,#f5a03bf5,#ff7b53e6);color:#fff}.message--assistant .message__bubble{background:#ffffffd1}.message__text{margin:0;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.message__action{margin-top:12px;width:100%}.result-card{margin-top:12px;padding:13px;border-radius:18px;background:linear-gradient(180deg,#f6f9fcfa,#edf3f0f5);border:1px solid rgba(19,34,56,.06)}.result-card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.result-card__eyebrow{color:var(--text-soft)}.result-card__title{font-size:17px}.result-card__summary{margin:8px 0 0;font-size:13px;color:var(--text-muted)}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.tag-chip,.status-badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:700}.tag-chip{background:#13223814;color:var(--text-main)}.status-badge{background:#ff9d2e2e;color:#a85b00}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.result-grid__item{display:grid;gap:4px;padding:10px 11px;border-radius:14px;background:#ffffffb8}.result-grid__label{font-size:12px;color:var(--text-soft)}.result-grid__value{font-size:13px;word-break:break-word}.result-action{margin-top:12px;padding:10px 12px;border-radius:14px;background:#ff9d2e1f}.result-action__label{display:block;margin-bottom:6px;font-size:12px;color:#a85b00}.typing-card{display:flex;align-items:center;gap:8px;padding:12px 16px;width:fit-content}.typing-dot{width:10px;height:10px;border-radius:50%;background:#13223861;animation:pulse 1.1s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}.composer-panel{position:fixed;left:50%;transform:translate(-50%);width:min(calc(100vw - 28px),492px);bottom:calc(var(--nav-height) + var(--nav-bottom-gap) + 20px + env(safe-area-inset-bottom));z-index:20;background:#ffffffeb;box-shadow:0 18px 34px #121f331f}.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px}.composer textarea{min-height:92px;font-size:14px;line-height:1.6;padding-right:14px}.composer .primary-button{min-width:86px;min-height:92px;padding:0 18px;border-radius:20px}.toggle-row{margin-bottom:12px}.toggle-row--compact{margin-bottom:10px;align-items:center}.toggle-row p{margin:4px 0 0;color:var(--text-muted);font-size:13px}.switch{position:relative;display:inline-flex}.switch input{position:absolute;opacity:0;pointer-events:none}.switch__track{width:54px;height:32px;border-radius:999px;background:#13223824;position:relative;transition:background .2s ease}.switch__track:after{content:"";position:absolute;top:4px;left:4px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 8px 14px #0f172a24;transition:transform .2s ease}.switch input:checked+.switch__track{background:linear-gradient(135deg,#ff9d2e,#ff7c4b)}.switch input:checked+.switch__track:after{transform:translate(22px)}.history-list{display:grid;gap:12px}.history-item__meta,.history-item__footer{align-items:center}.history-item__footer{margin-top:14px;flex-wrap:wrap}.empty-state{padding:26px 22px;text-align:center}.profile-card{display:flex;align-items:center;gap:16px}.profile-avatar{display:grid;place-items:center;width:68px;height:68px;border-radius:22px;background:linear-gradient(135deg,#ff9d2e,#1d9bf0);color:#fff;font-size:28px;font-weight:800}.info-list{display:grid;gap:12px}.info-row{padding-bottom:12px;border-bottom:1px solid var(--line-soft)}.info-row:last-child{padding-bottom:0;border-bottom:none}.bottom-nav{position:fixed;left:50%;transform:translate(-50%);bottom:calc(var(--nav-bottom-gap) + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:min(calc(100vw - 24px),520px);min-height:var(--nav-height);padding:9px;border-radius:22px;border:none;background:#11233deb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-lg);z-index:30}.bottom-nav__item{position:relative;display:grid;gap:2px;justify-items:center;padding:9px 0;border-radius:16px;color:#ffffffb3;text-decoration:none;transition:background .2s ease,color .2s ease}.bottom-nav__item.router-link-active{background:#ffffff24;color:#fff}.bottom-nav__icon{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:10px;background:#ffffff14;line-height:1}.bottom-nav__icon svg{width:18px;height:18px}@keyframes pulse{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@keyframes rise-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (min-width: 768px){.mobile-frame{padding-top:28px}.message-list{max-height:calc(100vh - 308px)}}