:root{font-family:var(--font-family);color:var(--text-primary);background:var(--bg-page)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button,input{font:inherit}.chat-app{width:min(100%,520px);height:100%;margin:0 auto;display:flex;flex-direction:column;background:var(--bg-container)}.chat-header{min-height:58px;padding:10px 16px;background:var(--brand);color:var(--text-inverse);display:flex;align-items:center;justify-content:space-between}.chat-header div{display:grid;gap:2px}.chat-header strong{font-size:17px}.chat-header div span{font-size:11px;opacity:.78}.connection{font-size:12px;opacity:.9}.connection--ready:before{content:"";display:inline-block;width:7px;height:7px;margin-right:5px;border-radius:50%;background:var(--success)}.error-banner{padding:9px 16px;color:var(--error);background:#d5494114;border-bottom:1px solid var(--error);font-size:13px}.message-list{flex:1;min-height:0;overflow-y:auto;padding:18px 14px;background:var(--bg-page)}.empty-message{margin-top:32px;text-align:center;color:var(--text-secondary);font-size:13px}.message-row{display:flex;margin-bottom:12px}.message-row--out{justify-content:flex-end}.message-row--in{justify-content:flex-start}.message-bubble{max-width:78%;padding:9px 12px;border-radius:var(--radius-m);font-size:14px;line-height:1.55;word-break:break-word}.message-bubble--out{color:var(--text-inverse);background:var(--bubble-out)}.message-bubble--in{background:var(--bubble-in);border:1px solid var(--border)}.meeting-card{width:min(320px,calc(100vw - 48px));padding:14px;display:flex;gap:12px;background:var(--bg-container);border:1px solid var(--brand-border);border-left:3px solid var(--brand);border-radius:var(--radius-m);box-shadow:var(--shadow-card)}.meeting-card__icon{width:36px;height:36px;display:grid;place-items:center;border-radius:var(--radius-m);background:var(--brand-light);font-size:19px}.meeting-card__content{flex:1;min-width:0;display:grid;gap:7px}.meeting-card__content strong{font-size:14px;line-height:1.4}.meeting-card__content span{color:var(--text-secondary);font-size:var(--fs-aux)}.meeting-card__content button{height:34px;border:0;border-radius:var(--radius-m);background:var(--brand);color:var(--text-inverse);cursor:pointer}.meeting-card__content button:disabled{color:var(--text-placeholder);background:var(--bg-hover);cursor:default}.composer{padding:10px 12px;display:flex;gap:8px;border-top:1px solid var(--border);background:var(--bg-container)}.composer input{flex:1;min-width:0;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--radius-m);outline:none}.composer input:focus{border-color:var(--brand)}.composer button{width:68px;border:0;border-radius:var(--radius-m);color:var(--text-inverse);background:var(--brand)}.composer button:disabled{color:var(--text-placeholder);background:var(--bg-hover)}.download-page{min-height:100%;padding:18vh 28px 40px;display:flex;align-items:center;flex-direction:column;text-align:center;background:var(--bg-container)}.download-page__mark{width:68px;height:68px;display:grid;place-items:center;border-radius:var(--radius-card);color:var(--text-inverse);background:var(--brand);font-weight:700;font-size:18px}.download-page h1{margin:18px 0 8px;font-size:24px;letter-spacing:0}.download-page__meeting{margin:0;color:var(--text-secondary);font-size:var(--fs-body)}.download-page__notice{max-width:360px;margin:24px 0;padding:12px 14px;background:var(--brand-light);border:1px solid var(--brand-border);color:var(--text-secondary);border-radius:var(--radius-m);font-size:14px;line-height:1.65}.primary-action{width:min(100%,340px);min-height:46px;display:grid;place-items:center;border:0;border-radius:var(--radius-m);color:var(--text-inverse);background:var(--brand);text-decoration:none}.primary-action:disabled{color:var(--text-placeholder);background:var(--bg-hover)}.text-action{margin-top:10px;padding:10px 18px;border:0;background:transparent;color:var(--brand)}.legal-page{min-height:100vh;color:var(--text-primary);background:var(--bg-page)}.legal-page__header{position:sticky;top:0;z-index:1;min-height:56px;display:grid;grid-template-columns:64px 1fr 64px;align-items:center;padding:0 16px;border-bottom:1px solid var(--border-light);background:var(--bg-container)}.legal-page__header a{color:var(--brand);text-decoration:none}.legal-page__header strong{text-align:center;font-size:16px}.legal-page__content{width:min(760px,calc(100% - 32px));margin:0 auto;padding:36px 0 56px}.legal-page__content h1{margin:0;font-size:28px}.legal-page__content h2{margin:28px 0 8px;font-size:18px}.legal-page__content p{margin:0 0 12px;color:var(--text-secondary);font-size:15px;line-height:1.8}.legal-page__updated{margin-top:8px!important;font-size:13px!important}.legal-page__contact{display:inline-block;margin-top:24px;color:var(--brand);font-weight:600;text-decoration:none}:root{--brand: #006EFF;--brand-hover: #408CFF;--brand-active: #0052D9;--brand-light: #F2F6FF;--brand-border: #B3D1FF;--success: #00A870;--warning: #ED7B2F;--error: #D54941;--info: #0594FA;--text-primary: rgba(0,0,0,.9);--text-secondary: rgba(0,0,0,.6);--text-placeholder: rgba(0,0,0,.4);--text-inverse: #FFFFFF;--bg-page: #F5F6F7;--bg-container: #FFFFFF;--bg-hover: #F5F6F7;--bg-active: #F2F6FF;--bg-mask: rgba(0,0,0,.6);--border: #E7E7E7;--border-light: #F0F0F0;--bubble-in: #F5F5F5;--bubble-out: #006EFF;--font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--fs-title-page: 20px;--fw-title: 500;--fs-title-card: 16px;--fs-body: 14px;--fs-sub: 13px;--fs-aux: 12px;--fs-mini: 11px;--lh-body: 1.6;--radius-s: 3px;--radius-m: 6px;--radius-l: 9px;--radius-card: 8px;--radius-tag: 4px;--radius-bubble: 8px;--shadow-card: 0 1px 2px rgba(0,0,0,.03);--shadow-popup: 0 6px 16px rgba(0,0,0,.08);--shadow-header: 0 1px 4px rgba(0,21,41,.08);--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--header-h: 56px;--admin-sider-w: 232px;--agent-iconbar-w: 64px;--agent-list-w: 280px;--agent-panel-w: 300px}