:root{color:#111;background:#ededed;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--wechat-green: #07c160;--wechat-green-dark: #06ad56;--wechat-bg: #ededed;--wechat-panel: #f7f7f7;--wechat-line: #dedede;--wechat-muted: #8a8a8a;--wechat-text: #111111;--wechat-white: #ffffff}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#ededed}button,input,select{font:inherit}button{cursor:pointer}.app-shell{display:flex;height:100vh;height:100dvh;padding-bottom:calc(72px + env(safe-area-inset-bottom));background:#ededed;overflow:clip}.app-shell.chatroom-open{padding-bottom:0}.auth-screen{display:grid;min-height:100vh;min-height:100dvh;place-items:center;padding:calc(22px + env(safe-area-inset-top)) 18px calc(22px + env(safe-area-inset-bottom));background:#ededed}.auth-panel{display:grid;width:min(440px,100%);gap:18px}.auth-brand{justify-content:center;text-align:left}.auth-brand strong{font-size:24px}.auth-card{box-shadow:0 10px 32px #00000014}.download-apk-link{display:block;text-align:center;padding:10px 14px;margin-top:12px;font-size:13px;color:var(--wechat-green);text-decoration:none;border:1px solid var(--wechat-green);border-radius:7px;font-weight:500}.download-apk-link:active{background:var(--wechat-green);color:#fff}.auth-language-menu{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:20;display:grid;justify-items:end;gap:8px}.auth-language-trigger,.auth-language-options button{display:inline-grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:8px;border:1px solid rgba(0,0,0,.08);background:rgba(255,255,255,.94);color:var(--wechat-text);font:inherit;box-shadow:0 8px 24px #00000014}.auth-language-trigger{min-height:38px;border-radius:999px;padding:0 13px}.auth-language-options{display:grid;width:150px;overflow:hidden;border-radius:8px;background:rgba(255,255,255,.98);box-shadow:0 14px 36px #0000001f}.auth-language-options button{grid-template-columns:minmax(0,1fr) auto;min-height:42px;border-width:0 0 1px;border-radius:0;padding:0 12px;box-shadow:none;text-align:left}.auth-language-options button:last-child{border-bottom:0}.auth-language-options button.selected{color:var(--wechat-green)}.register-avatar-field{display:grid;justify-items:center;gap:8px;color:var(--wechat-muted);font-size:13px}.register-avatar-button{display:grid;width:88px;aspect-ratio:1;place-items:center;overflow:hidden;border:1px solid var(--wechat-line);border-radius:8px;padding:0;background:#f7f7f7}.register-avatar-button img{width:100%;height:100%;object-fit:cover}.register-avatar-placeholder{display:grid;width:100%;height:100%;place-items:center;background:#dfe4e8;color:#69737b}.register-avatar-placeholder svg{width:52%;height:52%}.register-photo-auth-screen{align-items:stretch;justify-items:center;padding:calc(12px + env(safe-area-inset-top)) 12px calc(12px + env(safe-area-inset-bottom))}.register-photo-panel{display:grid;grid-template-rows:auto minmax(0,1fr);width:min(680px,100%);min-height:0}.register-photo-back{padding:8px 0 10px}.desktop-sidebar{display:flex;width:320px;border-right:1px solid var(--wechat-line);background:var(--wechat-panel)}.sidebar{display:flex;flex:1;flex-direction:column;gap:20px;min-width:0;padding:calc(22px + env(safe-area-inset-top)) 18px 18px}.brand{display:flex;align-items:center;gap:12px;color:var(--wechat-text)}.brand strong{display:block;font-size:18px}.brand span,.chat-header p,.room 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var(--wechat-line);border-radius:8px;background:var(--wechat-white);color:var(--wechat-green)}.friend-search button:disabled,.friend-row button:disabled{cursor:not-allowed;color:#9b9b9b;background:#f2f2f2}.friend-section,.friend-list{display:grid;gap:8px;border:1px solid var(--wechat-line);border-radius:8px;padding:10px;background:var(--wechat-white)}.friend-section>strong{color:#4a4a4a;font-size:13px}.friend-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px}.friend-row.clickable{width:100%;border:0;border-radius:8px;padding:8px;background:none;text-align:left;cursor:pointer}.friend-row.clickable:hover{background:#f5f5f5}.chevron{font-size:22px;color:silver}.friend-info-panel{display:flex;flex-direction:column;gap:14px}.friend-info-header{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 0;border-bottom:1px solid var(--wechat-line)}.friend-info-header strong{font-size:1.05rem}.friend-info-header small{color:var(--wechat-muted)}.danger-action{min-height:44px;border:0;border-radius:7px;background:#fce4e4;color:#c62828;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:6px}.friend-actions{display:grid;grid-template-columns:repeat(2,42px);gap:6px}.friend-row span,.friend-note{min-width:0;margin:0;overflow:hidden;color:var(--wechat-muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.friend-row strong{display:block;color:var(--wechat-text);font-size:13px}.section-title{display:flex;align-items:center;gap:8px;color:#6e6e6e;font-size:13px;font-weight:800;text-transform:uppercase}.room{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;min-height:60px;border:0;border-bottom:1px solid var(--wechat-line);border-radius:0;padding:9px 0 9px 10px;background:var(--wechat-white);color:var(--wechat-text);text-align:left}.room-text{display:grid;min-width:0;gap:2px}.room-text strong,.room-text 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button.pinned:hover{background:#e9e9e9}.room-icon-wrap{position:relative;display:inline-grid;width:42px;min-width:42px;height:42px;place-items:center}.room-icon-stack{display:grid;width:42px;min-width:42px;height:42px;align-items:center;justify-items:center}.room-icon{display:inline-grid;width:38px;height:38px;flex:0 0 auto;place-items:center;overflow:hidden;border:1px solid #e2e2e2;border-radius:8px;object-fit:cover;background:#e5e5e5;color:#fff;font-size:11px;font-weight:800}.room-icon.fallback{background:var(--wechat-green)}.room-icon-grid{display:flex;width:42px;min-width:42px;height:42px;flex-direction:column;justify-content:center;gap:2px;overflow:hidden;border-radius:8px;background:#e5e5e5}.room-icon-grid-row{display:flex;justify-content:center;gap:2px;min-width:0}.room-icon-mini{display:inline-grid;place-items:center;overflow:hidden;border:0;border-radius:3px;object-fit:cover;background:#d7d7d7;color:#fff;font-size:7px;font-weight:800;line-height:1}.room-icon-grid.two-row .room-icon-mini{width:18px;height:18px}.room-icon-grid.three-row .room-icon-mini{width:12px;height:12px;border-radius:2px;font-size:5px}.room-icon-mini.fallback{background:var(--wechat-green)}.chat-panel{display:flex;flex:1;min-width:0;flex-direction:column}.tool-view{flex:1;min-height:0;overflow-y:auto;padding:18px}.tool-view .friends-panel,.settings-panel{max-width:680px;margin:0 auto}.settings-panel{display:grid;gap:14px}.settings-section{display:grid;gap:10px}.settings-section>strong{color:#4a4a4a;font-size:13px}.me-view{background:var(--wechat-bg)}.me-panel{width:min(680px,100%)}.me-panel.photo-mode{height:100%;min-height:0;grid-template-rows:auto minmax(0,1fr)}.me-back{display:inline-flex;align-items:center;gap:8px;width:fit-content;border:0;padding:8px 0;background:transparent;color:var(--wechat-text);font:inherit}.me-profile-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;min-height:86px;border:0;border-radius:0;padding:14px 16px;background:var(--wechat-white);color:var(--wechat-text);text-align:left}.me-avatar{display:inline-grid;width:58px;height:58px;place-items:center;border-radius:8px;object-fit:cover;font-weight:800}.me-avatar.large{width:82px;height:82px}.me-avatar-button{display:inline-grid;place-items:center;border:0;border-radius:8px;padding:0;background:transparent}.me-avatar-button:focus-visible{outline:2px solid var(--wechat-green);outline-offset:3px}.me-profile-text{display:grid;gap:4px;min-width:0}.me-profile-text strong,.me-profile-text small,.me-row span,.me-row small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.me-profile-text small,.me-row small,.me-profile-large span{color:var(--wechat-muted)}.me-row-group{display:grid;overflow:hidden;background:var(--wechat-white)}.me-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;min-height:52px;border:0;border-bottom:1px solid var(--wechat-line);padding:0 16px;background:var(--wechat-white);color:var(--wechat-text);font:inherit;text-align:left}.me-row:last-child{border-bottom:0}.me-row.static{cursor:default}.me-row small{font-size:13px}.me-row.danger{color:#b33430}.me-detail{display:grid;gap:14px}.me-profile-large{display:grid;justify-items:center;gap:8px;padding:18px 16px;background:var(--wechat-white)}.me-profile-large strong{color:var(--wechat-text);font-size:20px}.me-edit-panel{display:grid;gap:14px;background:var(--wechat-white);padding:16px}.me-edit-panel label{display:grid;gap:8px;color:var(--wechat-muted);font-size:13px}.me-edit-panel input{border:0;border-bottom:1px solid var(--wechat-line);border-radius:0;padding:10px 0;background:transparent;color:var(--wechat-text);font-size:18px}.toggle-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px}.toggle-row 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minmax(0,1fr);align-items:center;gap:10px;min-height:46px;border:0;border-bottom:1px solid rgba(255,255,255,.08);padding:0 14px;background:transparent;color:#fff;font:inherit;text-align:left}.profile-photo-menu button:last-child{border-bottom:0}.profile-photo-stage{display:grid;min-height:0;place-items:center;padding:54px 0 12px}.profile-photo-full{display:block;width:100%;max-height:100%;object-fit:contain}.profile-photo-placeholder{display:grid;width:min(70vw,280px);aspect-ratio:1;place-items:center;border-radius:18px;background:#2f3438;color:#ffffffd1}.profile-photo-placeholder svg{width:34%;height:34%}.profile-photo-crop{position:relative;width:100%;max-height:100%;overflow:hidden;background:#111111}.profile-photo-crop img{display:block;width:100%;max-height:100%;object-fit:contain}.profile-photo-status{margin:0;padding:12px 16px calc(14px + env(safe-area-inset-bottom));color:#fff;font-size:13px;text-align:center}.profile-photo-footer{display:grid;padding:10px 16px calc(14px + env(safe-area-inset-bottom));background:#111111}.profile-photo-footer .primary-action{width:min(360px,100%);justify-self:center}.chat-header{display:flex;align-items:center;gap:12px;min-height:64px;padding:calc(12px + env(safe-area-inset-top)) 18px 12px;border-bottom:1px solid var(--wechat-line);background:rgba(247,247,247,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chat-header h1{margin:0;color:var(--wechat-text);font-size:18px;line-height:1.15}.chat-header p{margin:3px 0 0}.header-title{min-width:0}.header-title h1,.header-title p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.header-menu-wrap{position:relative}.header-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:25;min-width:180px;overflow:hidden;border:1px solid var(--wechat-line);border-radius:8px;background:var(--wechat-white);box-shadow:0 10px 28px #00000029}.header-menu button{width:100%;min-height:46px;border:0;padding:0 14px;background:transparent;color:var(--wechat-text);text-align:left}.header-menu button:hover{background:#f2f2f2}.status,.icon-button{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid transparent;border-radius:8px;background:transparent;color:#222}.status{flex:0 0 auto}.content-grid{display:grid;flex:1;min-height:0;grid-template-columns:minmax(0,1fr) 220px}.unread-separator{display:flex;align-items:center;gap:12px;margin:4px 0;color:var(--wechat-muted);font-size:12px;text-align:center}.unread-separator:before,.unread-separator:after{content:"";flex:1;height:1px;background:var(--wechat-line)}.unread-separator span{white-space:nowrap}.new-msg-indicator{position:fixed;top:60px;left:50%;transform:translate(-50%);z-index:100;padding:8px 20px;border:none;border-radius:20px;background:var(--wechat-green);color:#fff;font-size:14px;font-weight:600;box-shadow:0 2px 10px #0003;cursor:pointer;white-space:nowrap}.room-announcement-banner{display:grid;gap:4px;border-bottom:1px solid #d42f2a;padding:10px 14px;background:#f43530;color:#fff}.room-announcement-banner strong{color:#ffffffd9;font-size:12px}.room-announcement-banner span{overflow-wrap:anywhere;white-space:pre-wrap;font-size:13px;line-height:1.35;color:#fff}.messages{display:flex;flex-direction:column;gap:12px;min-height:0;overflow-y:auto;padding:18px;background:var(--wechat-bg)}.messages.room-list-messages{padding:0}.message-row{display:flex;align-items:flex-end;gap:9px;max-width:min(760px,96%)}.create-group-screen{display:grid;align-self:stretch;width:min(560px,100%);gap:14px;margin:0 auto;border:1px solid var(--wechat-line);border-radius:8px;padding:14px;background:var(--wechat-white)}.friend-picker{display:grid;gap:0;overflow:hidden;border:1px solid var(--wechat-line);border-radius:8px}.friend-picker>strong{padding:10px 12px;border-bottom:1px solid var(--wechat-line);color:#4a4a4a;font-size:13px}.friend-pick{display:grid;grid-template-columns:auto minmax(0,1fr) 24px;align-items:center;gap:10px;min-height:58px;border:0;border-bottom:1px solid var(--wechat-line);padding:8px 12px;background:var(--wechat-white);color:var(--wechat-text);text-align:left}.friend-pick.selected{background:#f0fbf4}.friend-pick span{min-width:0;overflow:hidden;color:var(--wechat-muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.friend-pick strong{display:block;color:var(--wechat-text);font-size:14px}.checkmark{color:var(--wechat-green);font-size:18px;font-weight:900;text-align:center}.message-row.mine{align-self:flex-end;flex-direction:row-reverse}.message-avatar-button{display:block;flex:0 0 auto;width:38px;height:38px;border:0;border-radius:8px;padding:0;background:transparent;cursor:pointer}.message-avatar-button:disabled{cursor:default}.message-avatar{display:block;width:38px;height:38px;flex:0 0 auto;border:1px solid #e1e1e1;border-radius:8px;object-fit:cover;background:#e5e5e5}.avatar-fallback{display:inline-grid;place-items:center;color:#fff;background:var(--wechat-green);font-size:13px;font-weight:800}.bubble{position:relative;min-width:0;max-width:100%;padding:9px 12px;border:0;border-radius:8px;background:var(--wechat-white);box-shadow:none}.bubble:before{position:absolute;bottom:11px;left:-6px;width:0;height:0;border-top:5px solid transparent;border-right:7px solid var(--wechat-white);border-bottom:5px solid transparent;content:""}.bubble.mine{background:#95ec69}.bubble.mine:before{right:-6px;left:auto;border-right:0;border-left:7px solid #95ec69}.bubble-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;color:#7c7c7c;font-size:12px}.bubble-meta strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bubble p{margin:6px 0 0;overflow-wrap:anywhere;line-height:1.45}.pending,.failed{display:block;margin-top:6px;color:#7b6a2e;font-size:12px}.failed{color:#a23d3d}.typing{align-self:flex-start;color:var(--wechat-muted);font-size:13px}.welcome{display:grid;place-items:center;align-content:center;flex:1;max-width:420px;margin:auto;color:#4a4a4a;text-align:center}.welcome h2{margin:14px 0 8px;color:var(--wechat-text);font-size:24px}.welcome p{margin:0;line-height:1.5}.room-picker{align-content:start;place-items:stretch;flex:0 1 auto;width:100%;max-width:100%;margin:0;text-align:left}.room-picker-list{display:grid;width:100%;gap:0;margin-top:0;overflow:hidden;border:0;border-radius:0;background:var(--wechat-white)}.room-picker-list button{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;min-height:60px;border:0;border-bottom:1px solid var(--wechat-line);border-radius:0;padding:9px 0 9px 10px;background:var(--wechat-white);color:var(--wechat-text);text-align:left}.room-picker-list small{color:var(--wechat-muted)}.people{display:flex;flex-direction:column;gap:10px;min-width:0;padding:18px;border-left:1px solid var(--wechat-line);background:var(--wechat-panel)}.people span{display:flex;align-items:center;justify-content:space-between;gap:8px;overflow:hidden;border-radius:8px;padding:10px 12px;background:var(--wechat-white);text-overflow:ellipsis;white-space:nowrap}.people small{flex:0 0 auto;color:var(--wechat-muted);font-size:12px;font-weight:700}.composer{display:grid;grid-template-columns:46px minmax(0,1fr) 44px 42px;align-items:end;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--wechat-line);background:#f7f7f7}.composer.has-text{grid-template-columns:46px minmax(0,1fr) 44px 58px}.composer input{min-height:42px;border-color:transparent;border-radius:6px;background:var(--wechat-white)}.composer button{display:inline-grid;place-items:center;min-height:42px;border-radius:6px;touch-action:manipulation}.composer-area{position:relative}.composer-voice{width:42px;height:42px;min-height:42px;align-self:end;border:0;border-radius:50%;background:var(--wechat-white);color:var(--wechat-green);box-shadow:0 1px 4px #0000001f;user-select:none;-webkit-user-select:none;touch-action:none;-webkit-touch-callout:none;transition:background .1s,transform .1s}.composer-voice.active{background:var(--wechat-green);color:#fff}.composer-voice-hold{grid-column:2 / 4;height:42px;border:0;border-radius:8px;background:var(--wechat-white);color:var(--wechat-green);font-size:16px;font-weight:600;user-select:none;-webkit-user-select:none;touch-action:none;-webkit-touch-callout:none;box-shadow:0 1px 4px #0000001f}.composer-voice-hold.pressed{background:#e8e8e8;transform:scale(.98)}.voice-record-panel{position:absolute;bottom:100%;left:0;right:0;z-index:100;background:rgba(0,0,0,.88);padding:20px 16px;transform:translateY(20px);opacity:0;transition:transform .2s ease,opacity .2s ease;display:flex;flex-direction:column;align-items:center;gap:10px;border-radius:12px 12px 0 0;pointer-events:none}.voice-record-panel.recording{pointer-events:auto}.voice-record-panel.sliding-up,.voice-record-panel.recording{transform:translateY(0);opacity:1}.voice-record-panel.sliding-down{transform:translateY(20px);opacity:0}.voice-record-inner{display:flex;flex-direction:column;align-items:center;gap:8px}.voice-mic{color:#fff;transition:color .15s}.voice-mic.pulse{color:#f43530;animation:voicePulse 1s ease-in-out infinite}.voice-record-panel.swipe-cancel{background:rgba(180,20,20,.9)}.voice-record-panel.swipe-cancel .voice-mic{color:#ff6b6b}.voice-record-panel.swipe-cancel .voice-record-timer{color:#fcc}.voice-record-panel.swipe-cancel .voice-record-hint{color:#faa}@keyframes voicePulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.15);opacity:.8}}.voice-record-timer{color:#fff;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}.voice-record-hint{color:#ffffff8c;font-size:13px;margin:0}.voice-record-swipe-hint{color:#ffffff59;font-size:11px;margin:2px 0 0}.composer input{touch-action:manipulation}.mention-dropdown{grid-column:1 / -1;display:flex;flex-direction:column;max-height:200px;overflow-y:auto;margin-bottom:4px;border:1px solid var(--wechat-line);border-radius:8px;background:#fff;box-shadow:0 -4px 12px #00000014}.composer .mention-dropdown .mention-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border:0;border-radius:0;background:#fff;font-size:14px;color:#333;cursor:pointer;touch-action:manipulation;min-height:auto}.composer .mention-dropdown .mention-item.active,.composer .mention-dropdown .mention-item:active{background:var(--wechat-green, #07c160);color:#fff}.composer .mention-dropdown .mention-item:first-child{border-radius:7px 7px 0 0}.composer .mention-dropdown .mention-item:last-child{border-radius:0 0 7px 7px}.composer .mention-dropdown .mention-item:only-child{border-radius:7px}.mention-more{padding:6px 12px;font-size:12px;color:var(--wechat-muted);text-align:center}.mention-avatar{width:32px;height:32px;border-radius:4px;object-fit:cover;flex-shrink:0}.mention-avatar.placeholder{display:inline-grid;place-items:center;background:#d0d0d0;color:#fff;font-size:14px;font-weight:600}.mention-name{flex:1;text-align:left;font-weight:500}.mention-item.everyone{border-bottom:1px solid var(--wechat-line);margin-bottom:2px;padding-bottom:8px}.mention-avatar.everyone-icon{display:inline-grid;place-items:center;background:var(--wechat-green);color:#fff;font-size:16px;font-weight:700;border-radius:50%;width:32px;height:32px}.composer-send{background:var(--wechat-green);color:#fff;font-size:14px;font-weight:600}.composer button:disabled{cursor:not-allowed;background:#bdbdbd}.composer-emoji,.composer-emoji.active{display:inline-grid;place-items:center;width:40px;height:42px;border:0;border-radius:7px;background:none;color:var(--wechat-muted);flex-shrink:0}.composer-emoji.active{background:#f0f0f0;color:var(--wechat-green)}.emoji-panel{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;max-height:160px;overflow-y:auto;padding:10px;border-top:1px solid var(--wechat-line);background:var(--wechat-white)}.emoji-btn{display:grid;place-items:center;width:100%;aspect-ratio:1;border:0;border-radius:6px;background:none;font-size:1.4rem;cursor:pointer}.emoji-btn:hover{background:#f0f0f0}.composer-plus{width:42px;height:42px;background:var(--wechat-white);color:#4a4a4a}.composer-plus.active{background:#e9e9e9}.chat-action-tray{display:grid;gap:14px;padding:12px 12px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--wechat-line);background:#f7f7f7}.chat-tool-grid{display:flex;flex-wrap:wrap;gap:10px}.chat-tool-grid button{flex:1;min-width:0;display:grid;justify-items:center;gap:8px;min-height:76px;border:1px solid var(--wechat-line);border-radius:8px;padding:10px 6px;background:var(--wechat-white);color:#4a4a4a;font-size:12px}.chat-tool-grid svg{color:var(--wechat-green)}.chat-tool-grid button.recording{background:#fff1f1;color:#d93025}.chat-tool-grid button.recording svg{color:#d93025}.red-packet-form{display:flex;flex-direction:column;gap:10px}.red-packet-form label{margin:0}.rp-recipient-select{width:100%;padding:10px 12px;border:1px solid var(--wechat-line);border-radius:8px;font-size:.95rem;font-family:inherit;background:var(--wechat-white);color:#333;-moz-appearance:auto;appearance:auto;-webkit-appearance:auto}.rp-type-selector{display:flex;gap:0;border-radius:8px;overflow:hidden;border:1px solid var(--wechat-line)}.rp-type-selector button{flex:1;border:0;border-radius:0;padding:8px 6px;background:#ffffff;font-size:.85rem;font-weight:500;color:#666}.rp-type-selector button.active{background:var(--wechat-green);color:#fff}.rp-type-desc{margin:0;font-size:.8rem;color:#999}.rp-greeting{display:block;font-size:1.1rem;color:#fff;margin-bottom:2px}.rp-target{font-size:.78rem;color:#ffffffd9;font-weight:500}.rp-progress{font-size:.78rem;color:#ffffffbf}.rp-claimants{display:block;font-size:.75rem;line-height:1.35}.image-expand-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center;cursor:pointer}.image-expand-img{max-width:95vw;max-height:95vh;object-fit:contain}.image-expand-download{position:absolute;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;font-size:22px;text-decoration:none;color:#333;z-index:10}.chat-image-message{display:block;max-width:min(260px,68vw);max-height:320px;margin-top:8px;border-radius:8px;object-fit:contain}.voice-bubble{display:inline-flex;align-items:center;gap:8px;margin-top:8px;padding:8px 14px;border:0;border-radius:8px;background:var(--wechat-green);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.voice-bubble audio{display:none}.rp-bubble{display:flex;flex-direction:column;gap:8px;width:min(260px,68vw);margin-top:8px;border:0;border-radius:8px;padding:14px 16px;background:linear-gradient(135deg,#f04b4b,#d23232);color:#ffe8b0;text-align:left;cursor:pointer;box-shadow:0 2px 8px #d2323240}.rp-bubble.claimed,.rp-bubble:disabled{background:linear-gradient(135deg,#c0a080,#a08060);box-shadow:none;cursor:default;opacity:.85}.rp-top{display:flex;align-items:center;gap:10px}.rp-icon{font-size:2rem;line-height:1}.rp-greeting{font-size:1rem;color:#fff5d0;font-weight:700}.rp-bottom{display:flex;flex-direction:column;gap:2px;padding-top:6px;border-top:1px solid rgba(255,232,176,.25)}.rp-bottom small{color:#ffe8b0cc;font-size:.75rem}.rp-action{color:#fff5d0!important;font-weight:600}.rp-my-claim{color:#fff5d0!important;font-weight:700;font-size:.85rem}.rp-claimants{font-size:.72rem;color:#ffe8b0b3;line-height:1.4}.rp-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);animation:fadeIn .2s ease}.rp-open-card{display:flex;flex-direction:column;align-items:center;width:min(300px,82vw);border-radius:10px;overflow:hidden;background:#c83c3c;color:#ffe8b0;text-align:center;box-shadow:0 8px 32px #00000059;animation:rpOpen .35s ease}.rp-open-top{display:flex;flex-direction:column;align-items:center;gap:6px;padding:40px 24px 24px;width:100%}.rp-open-sender{font-size:.85rem;color:#ffe8b0b3}.rp-open-icon{font-size:3rem;margin:8px 0}.rp-open-greeting{font-size:1rem;color:#fff5d0;font-weight:600}.rp-open-amount{display:flex;align-items:baseline;justify-content:center;gap:4px;padding:16px 24px;width:100%;border-top:1px solid rgba(255,232,176,.15);border-bottom:1px solid rgba(255,232,176,.15)}.rp-open-value{font-size:2.6rem;color:#ffe8b0;font-weight:800;letter-spacing:2px;font-family:Georgia,serif}.rp-open-unit{font-size:.85rem;color:#ffe8b0b3;align-self:flex-end;margin-bottom:6px}.rp-open-note{padding:20px;color:#ffe8b099;font-size:.8rem}@keyframes rpOpen{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.rp-detail-card{display:flex;flex-direction:column;width:min(320px,88vw);max-height:75vh;overflow:hidden;border-radius:10px;background:#ffffff;box-shadow:0 8px 32px #00000040}.rp-detail-red-header{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:36px 20px 20px;background:linear-gradient(180deg,#d94545 0%,#c83c3c 70%,#b83232 100%);color:#ffe8b0;text-align:center}.rp-detail-close{position:absolute;top:12px;left:12px;display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:50%;background:rgba(0,0,0,.15);color:#ffe8b0}.rp-detail-sender{font-size:.8rem;color:#ffe8b0b3}.rp-detail-icon{font-size:2.2rem;margin:4px 0}.rp-detail-greeting{font-size:1rem;color:#fff5d0;font-weight:600}.rp-detail-summary{font-size:.75rem;color:#ffe8b0a6;margin-top:6px}.rp-detail-red-footer{margin-top:12px}.rp-detail-red-footer small{color:#ffe8b08c;font-size:.7rem}.rp-detail-white-body{overflow-y:auto;max-height:50vh}.rp-detail-list{padding:12px 16px}.rp-detail-list-header{display:flex;justify-content:space-between;padding:4px 0 10px;font-size:.8rem;color:var(--wechat-muted)}.rp-detail-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid #f0f0f0}.avatar.small{width:36px;height:36px;border-radius:4px;object-fit:cover;flex-shrink:0}.rp-detail-user{flex:1;min-width:0}.rp-detail-user strong{display:flex;align-items:center;gap:4px;font-size:.9rem}.rp-detail-user small{display:block;color:var(--wechat-muted);font-size:.7rem}.rp-lucky-badge{font-size:.9rem}.rp-detail-amount{color:#e6a23c;font-size:.95rem;font-weight:700;flex-shrink:0}.invite-banner{text-align:center;padding:24px 16px;margin:0 16px 16px;border-radius:10px;background:linear-gradient(135deg,#fef9e7,#fdebd0);border:1px solid #f5c842}.invite-banner strong{display:block;margin-top:8px;font-size:1rem}.invite-banner p{margin:6px 0 0;font-size:.85rem;color:#666}.invite-banner-hint{margin-top:10px!important;font-size:.8rem!important;color:#999!important}.invite-modal{display:flex;flex-direction:column;align-items:center;gap:12px;width:min(300px,82vw);padding:32px 24px;border-radius:12px;background:#ffffff;text-align:center;box-shadow:0 8px 32px #00000040}.invite-modal strong{font-size:1rem}.invite-modal p{margin:0;font-size:.85rem;color:#666}.invite-modal-actions{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:8px}.invite-modal-actions button:last-child{min-height:40px;border:0;border-radius:7px;background:none;color:#999;font-size:.85rem}.toast-error{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:200;margin:0;max-width:90vw;border-radius:8px;padding:10px 20px;background:rgba(0,0,0,.8);color:#fff;font-size:.85rem;text-align:center;animation:toastIn .3s ease}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.context-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:99;background:transparent}.context-menu{position:fixed;z-index:100;min-width:150px;overflow:hidden;border-radius:8px;background:rgba(48,48,48,.98);box-shadow:0 18px 38px #00000047;animation:fadeIn .15s ease}.context-menu button{display:block;width:100%;min-height:46px;border:0;padding:0 16px;background:transparent;color:#fff;font:inherit;font-size:14px;text-align:left;cursor:pointer;white-space:nowrap}.context-menu button:active{background:rgba(255,255,255,.12)}.context-menu button.danger{color:#ff8a85}.delete-room-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;margin-top:8px}.delete-room-actions>button{min-height:44px;border:0;border-radius:7px}.delete-room-actions>button:first-child{background:#f0f0f0;color:#333}.delete-room-actions .danger-action:disabled{cursor:not-allowed;opacity:.45}.chat-error{margin:0;border-top:1px solid var(--wechat-line);border-radius:0;padding:8px 12px;background:#fff4f4}.debug-panel{display:grid;gap:4px;max-height:150px;overflow-y:auto;border-top:1px solid var(--wechat-line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:#1f1f1f;color:#f7f7f7;font-size:12px}.bottom-toolbar{position:fixed;right:0;bottom:0;left:0;z-index:20;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;border-top:1px solid var(--wechat-line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:rgba(247,247,247,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.bottom-toolbar button{position:relative;display:grid;min-width:0;min-height:54px;place-items:center;gap:3px;border:1px solid transparent;border-radius:8px;background:transparent;color:#6f6f6f;font-size:12px;font-weight:750;touch-action:manipulation}.toolbar-unread-badge{position:absolute;top:5px;right:calc(50% - 26px);display:inline-grid;min-width:18px;height:18px;place-items:center;border-radius:999px;padding:0 5px;background:#f43530;color:#fff;font-size:10px;font-weight:800;line-height:1}.toolbar-unread-badge.dot{min-width:10px;width:10px;height:10px;padding:0}.bottom-toolbar button.active{border-color:transparent;background:transparent;color:var(--wechat-green)}.bottom-toolbar span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.debug-panel strong,.debug-panel span,.debug-panel code{overflow-wrap:anywhere}.debug-panel code{color:#95ec69;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace}.chat-search-panel{position:fixed;top:0;right:0;bottom:0;z-index:35;display:grid;align-content:start;gap:14px;width:min(420px,92vw);padding:calc(18px + env(safe-area-inset-top)) 16px calc(92px + env(safe-area-inset-bottom));overflow-y:auto;border-left:1px solid var(--wechat-line);background:var(--wechat-panel);box-shadow:none;transform:translate(105%);transition:transform .18s ease,visibility 0ms .18s;visibility:hidden}.chat-search-panel.open{box-shadow:-14px 0 42px #0000002e;transform:translate(0);visibility:visible;transition:transform .18s ease,visibility 0ms 0ms}.room-details-panel{position:fixed;top:0;right:0;bottom:0;z-index:35;display:grid;align-content:start;gap:14px;width:min(420px,92vw);padding:calc(18px + env(safe-area-inset-top)) 16px calc(92px + env(safe-area-inset-bottom));overflow-y:auto;border-left:1px solid var(--wechat-line);background:var(--wechat-panel);box-shadow:none;transform:translate(105%);transition:transform .18s ease,visibility 0ms .18s;visibility:hidden}.room-details-panel.open{box-shadow:-14px 0 42px #0000002e;transform:translate(0);visibility:visible;transition:transform .18s ease,visibility 0ms 0ms}.room-points-panel{position:fixed;top:0;right:0;bottom:0;z-index:35;display:grid;align-content:start;gap:14px;width:min(420px,92vw);padding:calc(18px + env(safe-area-inset-top)) 16px calc(92px + env(safe-area-inset-bottom));overflow-y:auto;border-left:1px solid var(--wechat-line);background:var(--wechat-panel);box-shadow:none;transform:translate(105%);transition:transform .18s ease,visibility 0ms .18s;visibility:hidden}.room-points-panel.open{box-shadow:-14px 0 42px #0000002e;transform:translate(0);visibility:visible;transition:transform .18s ease,visibility 0ms 0ms}.room-details-content{display:grid;gap:14px}.room-member-section,.room-add-section,.room-name-section{display:grid;gap:12px;border-bottom:1px solid var(--wechat-line);padding-bottom:14px}.room-announcement-editor{display:grid;gap:8px;border-bottom:1px solid var(--wechat-line);padding-bottom:14px}.room-announcement-editor>span{color:var(--wechat-muted);font-size:12px;font-weight:700}.room-announcement-editor textarea{min-height:90px;resize:vertical;border:1px solid var(--wechat-line);border-radius:8px;padding:10px;background:#fafafa;color:var(--wechat-text);font:inherit}.room-announcement-editor p{margin:0;overflow-wrap:anywhere;white-space:pre-wrap;color:var(--wechat-text);font-size:13px;line-height:1.35}.room-member-section>strong,.room-add-section>strong{color:#4a4a4a;font-size:13px}.room-member-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px 8px}.room-member-tile{display:grid;justify-items:center;gap:6px;min-width:0;border:0;padding:0;background:transparent;color:var(--wechat-muted);font-size:11px;text-align:center}.room-member-tile>span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-member-tile .owner-badge{max-width:100%;overflow:hidden;border-radius:999px;padding:1px 5px;background:#e8f8ee;color:var(--wechat-green);font-size:10px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.room-member-tile .owner-badge .admin-badge{font-size:.7rem;color:#e6a23c;font-weight:600}.room-member-tile.add,.room-member-tile.remove{cursor:pointer}.remove-icon{background:#fff0f0;color:#c62828}.room-mgmt-row{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;border-radius:6px;padding:8px 10px;background:#f8f8f8;text-align:left;cursor:pointer}.room-mgmt-row:hover{background:#f0f0f0}.room-mgmt-row .chevron{margin-left:8px}.primary-action.small{min-height:30px;padding:4px 12px;font-size:.78rem;font-weight:600}.danger-action.small{min-height:30px;padding:4px 12px;font-size:.78rem;font-weight:600;border:0;border-radius:5px;background:#fce4e4;color:#c62828;cursor:pointer}.room-member-avatar{display:grid;width:46px;height:46px;place-items:center;border:1px solid #e1e1e1;border-radius:8px;object-fit:cover;background:#e5e5e5}.room-member-avatar.add-icon{border-style:dashed;background:var(--wechat-white);color:#8a8a8a}.room-name-section span{color:var(--wechat-muted);font-size:13px}.room-name-section strong{min-width:0;overflow-wrap:anywhere;color:var(--wechat-text);font-size:16px}.room-name-section strong.editable{cursor:pointer;color:var(--wechat-link)}.room-name-section input{width:100%;padding:8px 10px;border:1px solid #d0d0d0;border-radius:6px;font-size:15px;margin-bottom:8px}.inline-actions{display:flex;gap:8px}.inline-actions button{padding:4px 16px;border:none;border-radius:6px;font-size:14px;cursor:pointer}.inline-actions button:first-child{background:var(--wechat-green);color:#fff}.inline-actions button:last-child{background:#e5e5e5;color:#333}.room-points-list{display:grid;gap:8px}.room-points-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px;border:1px solid var(--wechat-line);border-radius:8px;padding:8px 12px;background:var(--wechat-white)}.room-points-row span,.room-points-row strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-points-row span{display:grid;color:var(--wechat-muted);font-size:12px}.room-points-row strong{color:var(--wechat-text);font-size:14px}.room-points-row b{color:var(--wechat-green);font-size:13px}.tx-positive{color:var(--wechat-green)}.tx-negative{color:#e64340}.summary-total{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px;border-top:1px solid var(--wechat-line);padding-top:10px}.summary-total b{color:var(--wechat-green);font-size:15px}.tx-user{display:inline-block;margin-right:6px;color:var(--wechat-green);font-weight:600;font-size:.72rem}.tx-balance{display:block;color:var(--wechat-muted);font-size:11px}.friend-request-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.request-status{flex-shrink:0;white-space:nowrap;border-radius:4px;padding:3px 8px;font-size:.75rem;font-weight:600}.request-status.approved{background:#e8f5e9;color:#2e7d32}.request-status.incoming{background:#fff3e0;color:#e65100}.request-status.outgoing{background:#e3f2fd;color:#1565c0}.primary-action:disabled{cursor:not-allowed;opacity:.55}.primary-action .badge{display:inline-block;margin-left:6px;border-radius:20px;padding:1px 8px;background:rgba(255,255,255,.28);font-size:.8rem;font-weight:700}.chat-search-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.chat-search-header strong,.chat-search-header span{display:block}.chat-search-header span{margin-top:3px;color:var(--wechat-muted);font-size:13px;line-height:1.35}.chat-search-header button{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--wechat-line);border-radius:8px;background:var(--wechat-white);color:var(--wechat-green)}.chat-search-results{display:grid;gap:8px}.chat-search-results button{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px;border:1px solid var(--wechat-line);border-radius:8px;padding:8px 12px;background:var(--wechat-white);color:var(--wechat-text);text-align:left}.chat-search-results span,.chat-search-results strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-search-results strong{display:block}.manage-row .managed-user{display:inline-flex;align-items:center;gap:8px}.panel-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;border:0;background:rgba(0,0,0,.22)}.error{margin:0;color:#a23d3d;font-size:13px}@media (max-width: 820px){.desktop-sidebar,.people{display:none}.content-grid{grid-template-columns:minmax(0,1fr)}.messages{padding:14px}.bubble{max-width:94%}.chat-header{min-height:70px;padding-left:12px;padding-right:12px}.chat-header h1{font-size:19px}.composer{padding-left:12px;padding-right:12px}}.scanner-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000;display:flex;align-items:center;justify-content:center}.scanner-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.scanner-canvas,.scanner-image{display:none}.scanner-frame{position:absolute;width:240px;height:240px;border:2px solid rgba(255,255,255,.6);border-radius:12px;box-shadow:0 0 0 9999px #00000073}.scanner-close{position:absolute;top:16px;left:16px;z-index:10;width:40px;height:40px;border:none;border-radius:50%;background:rgba(0,0,0,.5);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer}.scanner-hint{position:absolute;bottom:80px;color:#fff;font-size:14px;opacity:.8}.scanner-error{text-align:center;color:#fff;padding:24px;z-index:10}.scanner-error p{margin-bottom:16px;font-size:15px}.scanner-error button{padding:10px 24px;border:none;border-radius:8px;background:#fff;font-size:15px;cursor:pointer}.scanner-actions{display:flex;flex-direction:column;gap:12px;align-items:center}.scanner-actions button{width:220px}.qr-modal{display:flex;align-items:center;justify-content:center;z-index:10}.qr-card{background:linear-gradient(135deg,#e8f5e9 0%,#c8e6c9 30%,#fff 70%,#e8f5e9 100%);border-radius:20px;padding:36px 28px 28px;text-align:center;box-shadow:0 12px 48px #00000040,0 0 0 1px #07c16026;position:relative;overflow:hidden}.qr-card:before{content:"";position:absolute;top:-50px;right:-50px;width:140px;height:140px;border-radius:50%;background:rgba(7,193,96,.12)}.qr-card:after{content:"";position:absolute;bottom:-40px;left:-40px;width:120px;height:120px;border-radius:50%;background:rgba(7,193,96,.08)}.qr-invite-text{font-size:14px;color:#555;margin:0 0 6px;position:relative;z-index:1;line-height:1.5}.qr-app-name{font-size:22px;font-weight:800;color:#c62828;margin:0 0 18px;position:relative;z-index:1}.qr-highlight{font-weight:700;color:#1b5e20}.qr-invite-sub{font-size:13px;color:#888;margin-top:12px;position:relative;z-index:1}.qr-theme-buttons{display:flex;gap:8px;justify-content:center;margin-top:12px;position:relative;z-index:1;flex-wrap:wrap}.qr-theme-btn{width:28px;height:28px;border:2px solid transparent;border-radius:50%;cursor:pointer;transition:transform .15s,border-color .15s;padding:0}.qr-theme-btn.active{border-color:#fff;box-shadow:0 0 0 2px #333;transform:scale(1.2)}.qr-canvas{display:block;margin:0 auto;border-radius:8px}.voice-touch-capture{position:fixed;top:0;left:0;right:0;bottom:0;z-index:99;background:transparent}.reply-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#f0f0f0;border-top:1px solid var(--wechat-line)}.reply-bar-info{flex:1;min-width:0;overflow:hidden}.reply-bar-info strong{font-size:13px}.reply-bar-info span{display:block;font-size:12px;color:#888;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-bar button{flex-shrink:0;padding:4px;border:0;background:none;color:#999;cursor:pointer}.reply-preview{display:block;width:100%;padding:6px 10px;margin-bottom:6px;background:rgba(0,0,0,.05);border:0;border-left:3px solid var(--wechat-green);border-radius:4px;text-align:left;cursor:pointer}.reply-preview strong{display:block;font-size:12px;color:var(--wechat-green)}.reply-preview span{display:block;font-size:12px;color:#888;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.reply-preview .reply-unavailable{font-style:italic;color:#bbb}.message-row.message-highlight{animation:messageFlash 1.5s ease}@keyframes messageFlash{0%{background:rgba(7,193,96,.2)}to{background:transparent}}.rp-private-check{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--wechat-white);border:1px solid var(--wechat-line);border-radius:8px;font-size:14px;color:#333;cursor:pointer}.rp-private-check input{width:18px;height:18px;accent-color:var(--wechat-green);margin:0}.rp-bubble.private{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#f5f5f5;border:1px dashed #ddd;border-radius:8px;color:#999;font-size:13px}.msg-spinner{display:inline-block;width:10px;height:10px;border:2px solid #ccc;border-top-color:var(--wechat-green);border-radius:50%;animation:msgSpin .6s linear infinite;margin-right:4px;flex-shrink:0;vertical-align:middle}@keyframes msgSpin{to{transform:rotate(360deg)}}