:root{--black:#111;--ink:#171717;--muted:#777;--line:#e9e9e9;--soft:#f6f6f6;--white:#fff;--danger:#d93025;--success:#188038;--brand:#111;--shadow:0 16px 45px rgba(0,0,0,.07);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#171717;background:#fff;font-synthesis:none}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fff}body{font-size:14px}button,input,textarea,select{font:inherit;color:inherit}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}input,textarea,select{width:100%;border:1px solid #ddd;background:#fff;border-radius:10px;padding:11px 13px;outline:none;transition:.2s}input:focus,textarea:focus,select:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.05)}textarea{resize:vertical;line-height:1.65}label{display:grid;gap:7px;font-weight:600}label small{font-weight:400;color:#999}.hidden{display:none!important}.muted{color:var(--muted)}.center{text-align:center}.wide{width:100%;justify-content:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #ddd;background:#fff;border-radius:10px;padding:10px 16px;font-weight:650;transition:.18s;white-space:nowrap}.btn:hover{transform:translateY(-1px);border-color:#bbb}.btn.primary,.btn.dark{background:#111;border-color:#111;color:#fff}.btn.danger{background:#fff1f0;color:#b42318;border-color:#ffd5d2}.btn.ghost{background:#fff}.btn.small{font-size:12px;padding:7px 11px;border-radius:8px}.alert{padding:12px 14px;border:1px solid #ddd;border-radius:10px;margin-bottom:18px;background:#f8f8f8}.alert.error{border-color:#ffd6d1;background:#fff5f4;color:#b42318}.alert.success{border-color:#ccebd5;background:#f2fbf5;color:#147a35}.toast{position:fixed;z-index:9999;left:50%;bottom:38px;transform:translate(-50%,20px);opacity:0;color:#fff;background:#111;padding:11px 18px;border-radius:10px;box-shadow:var(--shadow);transition:.25s;pointer-events:none}.toast.error{background:#b42318}.toast.show{transform:translate(-50%,0);opacity:1}.avatar{width:38px;height:38px;border-radius:50%;background:#ededed;color:#222;display:inline-grid;place-items:center;font-weight:750;flex:0 0 auto}.avatar.large{width:48px;height:48px}.avatar.xl{width:72px;height:72px;font-size:24px}.online-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#24b45a;box-shadow:0 0 0 3px #dcf8e5}

/* 登录与安装 */
.auth-body{background:#f7f7f7;min-height:100vh;display:grid;place-items:center;padding:28px}.auth-wrap,.install-wrap{width:min(920px,100%);display:grid;grid-template-columns:1fr 430px;gap:70px;align-items:center}.install-wrap{width:min(1000px,100%);grid-template-columns:300px 1fr}.auth-brand .brand-mark{width:58px;height:58px;border-radius:17px;background:#111;color:#fff;display:grid;place-items:center;font-size:25px;font-weight:800;box-shadow:0 14px 35px rgba(0,0,0,.18)}.auth-brand h1{font-size:38px;letter-spacing:-1.5px;margin:25px 0 9px}.auth-brand>p{font-size:17px;color:#777;margin:0}.auth-feature{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}.auth-feature span{border:1px solid #ddd;background:#fff;padding:8px 12px;border-radius:999px;color:#555}.auth-card{background:#fff;border:1px solid #e5e5e5;border-radius:22px;padding:36px;box-shadow:var(--shadow);display:grid;gap:17px}.auth-card h2{margin:0;font-size:23px}.auth-card>p{margin:-9px 0 7px}.auth-card label{font-size:13px}.auth-card input{padding:13px}.auth-card .btn{padding:13px;margin-top:4px}.auth-switch{text-align:center!important;margin:3px 0 0!important;color:#777}.auth-switch a{color:#111;font-weight:700;margin-left:5px}.input-prefix{display:flex;align-items:center;border:1px solid #ddd;border-radius:10px;overflow:hidden}.input-prefix span{padding-left:12px;color:#999;white-space:nowrap}.input-prefix input{border:0;box-shadow:none;padding-left:2px}.install-card{gap:18px}.install-card h2{font-size:16px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-top:8px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.span-2{grid-column:span 2}

/* 后台框架 */
.app-body{background:#f7f7f7;overflow:hidden}.app-shell{height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{background:#111;color:#fff;padding:22px 15px 15px;display:flex;flex-direction:column;min-width:0;z-index:50}.logo{height:47px;display:flex;align-items:center;gap:11px;padding:0 8px;margin-bottom:25px}.logo span{width:35px;height:35px;background:#fff;color:#111;border-radius:10px;display:grid;place-items:center;font-weight:800}.logo b{font-size:16px}.sidebar nav{display:grid;gap:5px}.sidebar nav>a{height:44px;border-radius:9px;color:#aaa;display:flex;align-items:center;gap:12px;padding:0 12px;position:relative;transition:.18s}.sidebar nav>a:hover{color:#fff;background:#1c1c1c}.sidebar nav>a.active{background:#fff;color:#111}.sidebar nav i{font-style:normal;width:20px;text-align:center;font-size:17px}.sidebar nav em{font-style:normal;font-size:11px;margin-left:auto;color:#fff;background:#e33;padding:2px 6px;border-radius:99px}.sidebar-foot{margin-top:auto;border-top:1px solid #2b2b2b;padding-top:15px;display:flex;align-items:center;gap:7px}.sidebar-foot>a:first-child{display:flex;min-width:0;align-items:center;gap:9px;flex:1}.sidebar-foot b,.sidebar-foot small{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;max-width:115px}.sidebar-foot small{font-size:11px;color:#888;margin-top:3px}.sidebar-foot .avatar{background:#2b2b2b;color:#fff}.sidebar-foot .logout{width:32px;height:32px;display:grid;place-items:center;color:#888}.main{height:100vh;min-width:0;display:grid;grid-template-rows:72px 1fr;overflow:hidden}.topbar{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;justify-content:space-between}.topbar h1{font-size:19px;margin:0;letter-spacing:-.2px}.top-actions{display:flex;align-items:center;gap:9px;color:#666;font-size:12px}.top-actions .btn{margin-left:10px}.mobile-menu{display:none;border:0;background:transparent;font-size:22px;padding:5px}.content{padding:24px 28px;overflow:auto}.panel{background:#fff;border:1px solid #e7e7e7;border-radius:15px;padding:22px}.panel h2{font-size:16px;margin:0}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.panel-head p{margin:6px 0 0;color:#888;font-size:12px}.text-link{font-weight:650;font-size:13px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.metric-grid article{background:#fff;border:1px solid #e7e7e7;border-radius:15px;padding:20px}.metric-grid span,.metric-grid small{display:block;color:#888}.metric-grid strong{display:block;font-size:30px;letter-spacing:-1px;margin:11px 0 6px}.dashboard-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;margin-bottom:18px}.bar-chart{height:190px;display:flex;align-items:flex-end;justify-content:space-around;gap:12px;border-bottom:1px solid #eee;padding:0 10px 1px}.bar-item{height:100%;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:9px}.bar-item b{width:min(34px,72%);min-height:4px;background:#111;border-radius:6px 6px 2px 2px;position:relative;transition:.3s}.bar-item b span{position:absolute;top:-21px;left:50%;transform:translateX(-50%);font-size:11px}.bar-item small{font-size:10px;color:#999}.copy-box{display:flex;gap:8px}.copy-box input{background:#f7f7f7;color:#555}.link-preview{margin-top:21px;padding:17px;background:#f7f7f7;border-radius:13px;display:flex;align-items:center;gap:12px}.link-preview div{flex:1}.link-preview b,.link-preview small{display:block}.link-preview small{font-size:11px;color:#888;margin-top:5px}.simple-list{display:grid}.simple-list>a{display:flex;align-items:center;gap:11px;padding:12px 3px;border-top:1px solid #eee}.simple-list>a:first-child{border-top:0}.simple-list>a>span:nth-child(2){flex:1}.simple-list b,.simple-list small{display:block}.simple-list small{color:#888;margin-top:3px}.simple-list time{font-size:11px;color:#888}.simple-list em{font-style:normal;color:#e23}.empty{padding:35px 15px;text-align:center;color:#999}.loading{padding:25px;text-align:center;color:#999}.two-col{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.65fr);gap:18px;align-items:start}.sticky-card{position:sticky;top:0}.form-stack{display:grid;gap:16px;margin-top:20px}.rule-list,.staff-list{display:grid}.rule-list article{display:flex;gap:18px;justify-content:space-between;padding:17px 4px;border-top:1px solid #eee}.rule-list article:first-child{border-top:0}.rule-list article>div:first-child{min-width:0}.rule-list b{display:block;margin:8px 0}.rule-list p{margin:0;color:#666;line-height:1.6;white-space:normal}.rule-list article.disabled{opacity:.45}.tag,.role{display:inline-flex;background:#f0f0f0;border-radius:5px;padding:3px 7px;font-size:10px;color:#666;font-weight:600}.row-actions{display:flex;gap:5px;align-items:flex-start}.row-actions form{margin:0}.icon-btn{border:0;background:transparent;color:#666;font-size:12px;padding:5px}.icon-btn.danger{color:#c33}.staff-list article{display:flex;align-items:center;gap:13px;padding:15px 3px;border-top:1px solid #eee}.staff-list article:first-child{border:0}.staff-list article>div{flex:1}.staff-list p{margin:5px 0;color:#666}.staff-list small{font-size:11px;color:#888}.settings-form{display:grid;gap:18px;max-width:980px}.settings-form .panel{padding:25px}.settings-save{display:flex;justify-content:flex-end}.switch-list{display:grid;gap:13px;margin-top:22px;border-top:1px solid #eee;padding-top:20px}.switch-list label{display:flex;align-items:center;gap:10px;font-weight:500}.switch-list input{width:17px;height:17px}.profile-card{display:flex;align-items:center;gap:17px;margin-top:24px}.profile-card b{font-size:18px}.profile-card p{color:#666}.profile-card small{color:#888}

/* 工作台 */
.content:has(.workbench){padding:0;overflow:hidden}.workbench{height:calc(100vh - 72px);display:grid;grid-template-columns:310px minmax(390px,1fr) 255px;background:#fff}.conversation-list{border-right:1px solid var(--line);display:grid;grid-template-rows:auto auto 1fr;min-width:0}.conv-search{display:flex;gap:6px;padding:14px}.conv-search input{background:#f6f6f6;border:0}.conv-search button{width:40px;border:0;border-radius:9px;background:#f3f3f3}.conv-tabs{display:flex;padding:0 14px;border-bottom:1px solid var(--line)}.conv-tabs button{flex:1;border:0;background:transparent;padding:10px 2px;color:#888;position:relative}.conv-tabs button.active{color:#111;font-weight:700}.conv-tabs button.active:after{content:"";position:absolute;height:2px;background:#111;left:23%;right:23%;bottom:-1px}.conv-items{overflow:auto}.conv-item{width:100%;border:0;border-bottom:1px solid #f0f0f0;background:#fff;padding:13px 14px;display:flex;text-align:left;gap:10px;transition:.15s}.conv-item:hover,.conv-item.active{background:#f5f5f5}.conv-item>span:nth-child(2){min-width:0;flex:1}.conv-item>span:nth-child(2)>span{display:flex;justify-content:space-between;align-items:center;gap:10px}.conv-item b{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-item time{font-size:10px;color:#999;white-space:nowrap}.conv-item p{font-size:11px;color:#888;margin:5px 0 0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.conv-item em{font-size:10px;color:#fff;background:#111;border-radius:99px;min-width:18px;height:18px;display:grid;place-items:center;font-style:normal}.chat-panel{min-width:0;background:#fafafa;display:grid;grid-template-rows:64px 1fr auto auto}.chat-header{background:#fff;border-bottom:1px solid var(--line);padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:15px}.chat-header b,.chat-header small{display:block}.chat-header small{font-size:11px;color:#888;margin-top:4px}.chat-actions{display:flex;align-items:center;gap:6px}.chat-actions select{width:auto;max-width:120px;padding:7px 9px;font-size:12px}.message-list{padding:20px;overflow:auto;scroll-behavior:smooth}.empty-chat{height:100%;display:grid;place-content:center;justify-items:center;color:#aaa}.empty-chat span{font-size:33px}.empty-chat b{color:#666;margin:12px 0 5px}.empty-chat p{margin:0}.message{display:flex;flex-direction:column;align-items:flex-start;margin:12px 0}.message.mine{align-items:flex-end}.message-meta{font-size:10px;color:#aaa;margin:0 4px 5px}.bubble{background:#fff;border:1px solid #e7e7e7;border-radius:5px 15px 15px 15px;max-width:min(520px,78%);padding:10px 13px;box-shadow:0 3px 10px rgba(0,0,0,.025);overflow:hidden}.message.mine .bubble{background:#111;color:#fff;border-color:#111;border-radius:15px 5px 15px 15px}.message.bot .bubble{background:#f0f0f0;border-color:#e5e5e5;color:#444}.bubble p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;margin:0}.bubble img,.bubble video{display:block;max-width:100%;max-height:360px;border-radius:8px}.bubble:has(img),.bubble:has(video){padding:5px}.file-card{display:flex;align-items:center;gap:10px;min-width:210px}.file-card>span:first-child{width:38px;height:38px;background:#eee;color:#111;border-radius:9px;display:grid;place-items:center;font-size:20px}.message.mine .file-card>span:first-child{background:#333;color:#fff}.file-card b,.file-card small{display:block;max-width:270px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-card small{font-size:10px;opacity:.65;margin-top:4px}.typing-hint,.upload-hint{height:24px;padding:0 20px;color:#888;font-size:11px}.composer{background:#fff;border-top:1px solid var(--line);padding:10px 12px;display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:end;position:relative}.composer textarea{border:0;background:#f5f5f5;resize:none;min-height:40px;max-height:120px;padding:10px 12px}.composer-tools{height:40px;display:flex;align-items:center;gap:3px}.composer-tools button,.composer-tools label{width:auto;border:0;background:transparent;padding:8px;font-size:18px;font-weight:500;cursor:pointer;display:block}.composer-tools button[data-quick]{font-size:12px;white-space:nowrap}.composer-tools input{display:none}.send-btn{height:40px;background:#111;color:#fff;border:0;border-radius:9px;padding:0 16px;font-weight:650}.emoji-popover,.quick-popover{position:absolute;bottom:62px;left:10px;background:#fff;border:1px solid #ddd;box-shadow:var(--shadow);border-radius:12px;padding:10px;width:280px;display:grid;grid-template-columns:repeat(8,1fr);z-index:10}.emoji-popover button{border:0;background:transparent;padding:5px;font-size:20px}.quick-popover{width:330px;display:block;max-height:310px;overflow:auto}.quick-popover>button{width:100%;border:0;background:#fff;text-align:left;padding:10px;border-bottom:1px solid #eee}.quick-popover>button:hover{background:#f7f7f7}.quick-popover strong,.quick-popover small{display:block}.quick-popover small{color:#888;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.customer-panel{border-left:1px solid var(--line);background:#fff;padding:24px 18px;text-align:center;overflow:auto}.customer-panel h3{font-size:17px;margin:12px 0 6px}.customer-panel>a{font-size:11px;color:#777;overflow-wrap:anywhere}.customer-panel dl{display:grid;grid-template-columns:auto 1fr;gap:13px 10px;text-align:left;border-top:1px solid #eee;border-bottom:1px solid #eee;padding:20px 0;margin:23px 0}.customer-panel dt{font-size:11px;color:#999}.customer-panel dd{margin:0;text-align:right;font-size:11px;overflow-wrap:anywhere}.customer-panel .btn{margin-top:9px}
.mobile-back{display:none;border:0;background:transparent;font-size:28px;padding:0 5px}

/* 访客客服页 */
.chat-page{background:#efefef;min-height:100vh;display:grid;place-items:center;padding:22px}.visitor-shell{width:min(440px,100%);height:min(760px,calc(100vh - 44px));background:#fff;border-radius:22px;box-shadow:0 25px 70px rgba(0,0,0,.13);overflow:hidden;display:grid;grid-template-rows:74px 1fr;position:relative}.visitor-header{background:var(--brand);color:#fff;padding:0 18px;display:flex;align-items:center;gap:11px}.merchant-avatar{width:42px;height:42px;border-radius:13px;background:#fff;color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:17px;flex:0 0 auto}.merchant-avatar.big{width:66px;height:66px;border-radius:20px;font-size:24px;margin:15px auto}.visitor-header>div:nth-child(2){flex:1;min-width:0}.visitor-header h1{font-size:15px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.visitor-header p{font-size:10px;opacity:.72;margin:6px 0 0}.visitor-header p i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#52dc82;margin-right:5px}.visitor-header button{border:0;background:transparent;color:#fff;font-size:18px;letter-spacing:2px}.visitor-welcome{padding:34px 30px;overflow:auto}.welcome-icon{width:48px;height:48px;border-radius:15px;background:#111;color:#fff;display:grid;place-items:center;font-size:21px}.visitor-welcome h2{font-size:23px;letter-spacing:-.6px;margin:21px 0 9px}.visitor-welcome>p{line-height:1.7;color:#777;margin:0 0 27px}.visitor-start-form{display:grid;gap:17px}.visitor-start-form input{padding:13px;background:#f8f8f8;border-color:#eee}.visitor-start-form small{text-align:center;color:#aaa;line-height:1.5}.visitor-chat{min-height:0;display:grid;grid-template-rows:1fr auto auto}.visitor-messages{background:#f6f6f6;padding:17px}.visitor-messages .bubble{max-width:82%}.visitor-composer{padding-bottom:max(11px,env(safe-area-inset-bottom))}.visitor-composer .composer-tools label{font-size:20px}.visitor-info{position:absolute;inset:0;background:rgba(0,0,0,.4);z-index:20;display:flex;align-items:flex-end}.visitor-info>div{width:100%;background:#fff;border-radius:22px 22px 0 0;padding:20px 25px 32px;text-align:center;position:relative}.visitor-info button{position:absolute;right:17px;top:13px;border:0;background:#f2f2f2;border-radius:50%;width:32px;height:32px;font-size:18px}.visitor-info h3{margin:10px 0 6px}.visitor-info p{color:#777}.visitor-info hr{border:0;border-top:1px solid #eee;margin:22px 0}.visitor-info small,.visitor-info b{display:block;text-align:left}.visitor-info small{color:#999;margin-bottom:7px}.visitor-info .privacy{font-size:11px;text-align:left;line-height:1.6;margin-top:22px}.not-found{background:#fff;border-radius:18px;padding:40px;box-shadow:var(--shadow);text-align:center}.not-found b{font-size:20px}.not-found p{color:#777}

.admin-shell{min-height:100vh}.admin-head{height:70px;background:#111;color:#fff;padding:0 max(22px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between}.admin-head .logo{margin:0;padding:0}.admin-head>div{display:flex;align-items:center;gap:13px}.admin-content{max-width:1180px;margin:auto;padding:28px 20px}.admin-search{display:flex;gap:8px}.admin-table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;white-space:nowrap}.admin-table th{text-align:left;color:#999;font-size:11px;font-weight:600;padding:11px;border-bottom:1px solid #ddd}.admin-table td{padding:13px 11px;border-bottom:1px solid #eee}.admin-table td:first-child b,.admin-table td:first-child small{display:block}.admin-table td:first-child small{font-size:10px;color:#999;margin-top:4px}.status{display:inline-flex;padding:4px 8px;border-radius:99px;font-size:10px}.status.active{background:#e9f8ee;color:#15833c}.status.disabled{background:#f2f2f2;color:#888}.admin-password{margin-top:18px;display:flex;justify-content:space-between;align-items:center}.admin-password p{margin-bottom:0}.admin-password form{display:flex;gap:8px}.admin-password input{width:260px}

@media(max-width:1100px){.workbench{grid-template-columns:280px 1fr}.customer-panel{display:none}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.auth-wrap,.install-wrap{grid-template-columns:1fr;gap:25px}.auth-brand{text-align:center}.auth-brand .brand-mark{margin:auto}.auth-brand h1{font-size:30px;margin-top:16px}.auth-feature{justify-content:center;margin-top:20px}.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;transform:translateX(-101%);transition:.25s;box-shadow:20px 0 50px rgba(0,0,0,.15)}.sidebar.open{transform:translateX(0)}.mobile-menu{display:block}.topbar{padding:0 16px}.topbar>div:first-of-type{flex:1;margin-left:10px}.content{padding:17px}.dashboard-grid,.two-col{grid-template-columns:1fr}.sticky-card{position:static}.workbench{height:calc(100vh - 72px);grid-template-columns:260px 1fr}.top-actions>span{display:none}}
@media(max-width:600px){.auth-body{padding:0;background:#fff;place-items:start}.auth-wrap,.install-wrap{display:block}.auth-brand{padding:35px 24px 22px}.auth-feature{display:none}.auth-card{border:0;border-top:1px solid #eee;border-radius:22px 22px 0 0;box-shadow:none;padding:28px 22px}.install-card{border-radius:0}.form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.main{grid-template-rows:60px 1fr}.topbar{height:60px}.topbar h1{font-size:17px}.top-actions .btn{padding:7px;font-size:0}.top-actions .btn:after{content:'客服链接';font-size:11px}.content{padding:12px}.metric-grid{grid-template-columns:1fr 1fr;gap:9px}.metric-grid article{padding:15px}.metric-grid strong{font-size:24px}.dashboard-grid{gap:10px}.panel{padding:17px;border-radius:13px}.bar-chart{height:170px}.copy-box{display:grid}.settings-form .panel{padding:17px}.workbench{height:calc(100vh - 60px);display:block;position:relative}.conversation-list{height:100%;border:0}.chat-panel{position:absolute;inset:0;z-index:5;transform:translateX(100%);transition:.22s}.workbench:has(.conv-item.active) .chat-panel{transform:translateX(0)}.chat-header{padding:0 10px;justify-content:flex-start}.mobile-back{display:block}.chat-header>div:nth-child(2){flex:1}.chat-actions .btn.ghost,.chat-actions select{display:none}.message-list{padding:13px}.composer{grid-template-columns:auto 1fr auto;padding:8px}.composer-tools button[data-quick]{font-size:0}.composer-tools button[data-quick]:after{content:'语';font-size:14px}.bubble{max-width:86%}.chat-page{padding:0;background:#fff;display:block}.visitor-shell{width:100%;height:100dvh;max-height:none;border-radius:0;box-shadow:none;grid-template-rows:68px 1fr}.visitor-welcome{padding:28px 22px}.visitor-messages .bubble{max-width:88%}.toast{bottom:24px;max-width:85%;text-align:center}.quick-popover{width:calc(100vw - 20px)}}
@media(max-width:600px){.workbench.has-current .chat-panel{transform:translateX(0)}}
@media(max-width:700px){.admin-head{padding:0 14px}.admin-head .logo b{display:none}.admin-content{padding:15px 10px}.admin-search{width:100%;margin-top:12px}.admin-search input{min-width:0}.admin-content .panel-head{display:block}.admin-password{display:block}.admin-password form{margin-top:15px}.admin-password input{width:100%}}

/* v1.1 品牌、订阅与支付 */
.logo>img{width:36px;height:36px;object-fit:contain;flex:0 0 auto}.auth-brand .brand-mark img{width:48px;height:48px;object-fit:contain}.expired-page img{width:84px;height:84px;object-fit:contain;background:#111;border-radius:22px;margin-bottom:22px}.subscription-alert{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;border:1px solid #dfece3;background:#f5fbf7;border-radius:14px;margin-bottom:18px}.subscription-alert.expired{border-color:#f1d3cf;background:#fff6f5}.subscription-alert b,.subscription-alert span{display:block}.subscription-alert span{color:#777;font-size:12px;margin-top:5px}.subscription-mini{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#111;color:#fff;border-radius:15px;padding:20px 22px}.subscription-mini small,.subscription-mini b,.subscription-mini span{display:block}.subscription-mini small,.subscription-mini span{color:#aaa;font-size:11px}.subscription-mini b{font-size:19px;margin:6px 0}.subscription-mini .btn{background:#fff;color:#111;border-color:#fff}.switch-list.no-border{border:0;margin-top:0;padding-top:0}.pay-head{height:66px;background:#111;color:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(18px,calc((100% - 1100px)/2));gap:15px}.pay-head span{text-align:right;color:#aaa}.pay-wrap{max-width:1100px;margin:auto;padding:28px 20px}.subscription-card{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid #e5e5e5;border-radius:18px;padding:25px;margin-bottom:20px}.subscription-card small,.subscription-card p{color:#888}.subscription-card h1{font-size:28px;margin:8px 0}.subscription-card p{margin:0}.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}.plan-card{background:#fff;border:1px solid #e3e3e3;border-radius:18px;padding:23px;position:relative}.plan-card>span{display:inline-flex;background:#111;color:#fff;border-radius:99px;padding:5px 9px;font-size:10px}.plan-card h2{font-size:19px;margin:17px 0 8px}.plan-card .price{font-size:34px;font-weight:800;letter-spacing:-1px}.plan-card .price small{font-size:15px;margin-right:3px}.plan-card>p{color:#777;min-height:42px;line-height:1.5}.plan-card form{display:grid;gap:9px;margin-top:20px}.payment-result{width:min(430px,calc(100% - 30px));text-align:center}.result-icon{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;margin:auto;font-size:28px;font-weight:800;background:#eef8f1;color:#188038}.result-icon.fail{background:#fff0ef;color:#c33}.admin-head nav{display:flex;gap:19px}.admin-head nav a{color:#aaa;font-size:12px}.admin-head nav a:hover{color:#fff}.admin-two{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px;align-items:start}.config-grid{scroll-margin-top:20px}.plan-admin-list article{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 2px;border-top:1px solid #eee}.plan-admin-list article:first-child{border-top:0}.plan-admin-list article.disabled{opacity:.45}.plan-admin-list p{margin:6px 0 0;color:#777}.inline-expiry{display:flex;align-items:center;gap:5px}.inline-expiry input{width:178px;padding:7px;font-size:11px}.check-row{display:flex;align-items:center;gap:8px;font-weight:500}.check-row input{width:17px}.admin-table .status{white-space:nowrap}
@media(max-width:850px){.plan-grid{grid-template-columns:1fr 1fr}.admin-two{grid-template-columns:1fr}.admin-head nav{display:none}}
@media(max-width:600px){.subscription-alert,.subscription-mini,.subscription-card{align-items:flex-start;flex-direction:column}.subscription-alert .btn,.subscription-mini .btn{width:100%}.plan-grid{grid-template-columns:1fr}.pay-head{grid-template-columns:1fr auto;padding:0 14px}.pay-head b{display:none}.pay-wrap{padding:16px 11px}.subscription-card{padding:19px}.plan-card{padding:20px}.admin-two{gap:10px}.inline-expiry{min-width:245px}}

/* v1.2：消息始终在独立区域滚动，输入栏固定可见 */
.workbench,.chat-panel,.visitor-chat{min-height:0}.chat-panel{overflow:hidden}.message-list,.visitor-messages,.conv-items{min-height:0;overscroll-behavior:contain}.composer{flex:0 0 auto;z-index:8}.chat-panel .composer{position:relative;bottom:auto}.chat-panel .typing-hint{min-height:0}
.merchant-avatar.custom{display:block;object-fit:cover;background:#fff}.visitor-info .merchant-avatar.custom{margin:15px auto}.avatar-setting{display:flex;align-items:center;gap:16px;padding:16px;background:#f7f7f7;border-radius:13px;margin-bottom:20px}.avatar-setting>img{width:72px;height:72px;border-radius:18px;object-fit:cover;background:#111}.avatar-setting>div{flex:1}.avatar-setting b{display:block}.avatar-setting p{margin:6px 0 10px;color:#888;font-size:11px}.avatar-setting label{display:inline-flex;width:auto}.avatar-setting input{display:none}
@media(max-width:600px){.avatar-setting{align-items:flex-start}.avatar-setting>img{width:62px;height:62px}}
.avatar-image{object-fit:cover;display:block;background:#eee}
.plan-edit-card{width:min(520px,calc(100% - 28px))}

/* v1.2.1：手机固定视口、后台可点击导航与聊天图片弹窗 */
.image-preview-button{display:block;border:0;background:transparent;padding:0;margin:0;max-width:100%;cursor:zoom-in}.image-preview-button img{pointer-events:none}.image-viewer{position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.92);display:grid;grid-template-rows:58px 1fr;color:#fff}.image-viewer-bar{display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:rgba(0,0,0,.48);border-bottom:1px solid rgba(255,255,255,.15)}.image-viewer-bar span{font-weight:700}.image-viewer-bar button{width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:28px;line-height:1}.image-viewer-stage{min-width:0;min-height:0;display:grid;place-items:center;padding:14px;cursor:zoom-out}.image-viewer-stage img{display:block;max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 15px 60px rgba(0,0,0,.35)}body.viewer-open{overflow:hidden!important}.avatar-file-name{display:block;color:#888;font-size:11px;font-weight:400;margin-top:8px;overflow-wrap:anywhere}.admin-menu-toggle{display:none}.admin-shell{height:100dvh;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.admin-head{position:sticky;top:0;z-index:300}.admin-content>section,.admin-content>form,.admin-content>div{scroll-margin-top:82px}.topbar{position:relative;z-index:25;min-width:0}.topbar>div:first-of-type{min-width:0}.topbar h1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:800px){html{-webkit-text-size-adjust:100%;text-size-adjust:100%}html,body{width:100%;max-width:100%;overflow-x:hidden;touch-action:pan-x pan-y}input:not([type=checkbox]):not([type=radio]),textarea,select{font-size:16px!important}.mobile-menu{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px}.topbar{padding-left:max(8px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right))}}
@media(max-width:700px){.admin-head{height:calc(60px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);padding-left:max(10px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right));gap:7px}.admin-head .logo{height:44px;margin:0 auto 0 0;padding:0}.admin-head .logo img{width:34px;height:34px}.admin-head>div{gap:6px}.admin-head>div>b{display:none}.admin-menu-toggle{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border:0;border-radius:10px;background:#242424;color:#fff;font-size:21px}.admin-head nav{display:none;position:absolute;top:calc(100% + 7px);left:10px;right:10px;padding:8px;background:#fff;color:#111;border:1px solid #e5e5e5;border-radius:13px;box-shadow:0 18px 50px rgba(0,0,0,.2)}.admin-head nav.open{display:grid}.admin-head nav a{display:flex;align-items:center;min-height:44px;padding:0 13px;color:#222;border-radius:9px;font-size:14px}.admin-head nav a:active{background:#f2f2f2}.admin-head .btn{min-height:40px;padding:8px 11px}.admin-content{padding-top:14px}.image-viewer{grid-template-rows:max(54px,calc(48px + env(safe-area-inset-top))) 1fr}.image-viewer-bar{padding-top:env(safe-area-inset-top);padding-left:14px;padding-right:10px}.image-viewer-stage{padding:8px 8px max(8px,env(safe-area-inset-bottom))}.image-viewer-stage img{border-radius:4px}}
@media(max-width:600px){.main{grid-template-rows:calc(60px + env(safe-area-inset-top)) 1fr}.topbar{height:calc(60px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}.workbench{height:calc(100dvh - 60px - env(safe-area-inset-top))}.visitor-shell{height:100dvh;grid-template-rows:calc(68px + env(safe-area-inset-top)) 1fr}.visitor-header{padding-top:env(safe-area-inset-top);padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}}

/* v1.3：平台官网、平台设置、流式上传与手机媒体工具栏 */
.home-body{margin:0;background:#f6f6f3;color:#111;min-height:100vh}.home-nav{height:76px;max-width:1200px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.home-logo{display:flex;align-items:center;gap:10px;font-size:16px}.home-logo img{width:38px;height:38px}.home-nav nav{display:flex;gap:28px}.home-nav nav a,.home-footer a{font-size:12px;color:#666}.home-nav>div{display:flex;gap:8px}.home-hero{max-width:1200px;margin:0 auto;padding:78px 24px 94px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(520px,1.1fr);gap:70px;align-items:center}.home-badge{display:inline-flex;border:1px solid #d5d5d0;border-radius:99px;padding:7px 11px;color:#666;font-size:11px;background:#fff}.home-hero h1{font-size:clamp(44px,5vw,72px);line-height:1.08;letter-spacing:-3.2px;margin:24px 0}.home-hero>div>p{font-size:17px;color:#666;line-height:1.8;margin:0}.home-cta{display:flex;gap:10px;margin:31px 0 17px}.home-cta .btn,.home-bottom .btn{padding:13px 20px}.home-hero>div>small{color:#999;font-size:11px}.home-preview{background:#fff;border:1px solid #deded9;border-radius:22px;box-shadow:0 32px 80px rgba(0,0,0,.1);overflow:hidden;transform:rotate(1deg)}.preview-head{height:55px;background:#111;color:#fff;padding:0 17px;display:flex;align-items:center;gap:9px}.preview-head i{width:8px;height:8px;border-radius:50%;background:#52dc82}.preview-head span{flex:1;font-size:12px}.preview-head em{font-style:normal;color:#aaa;font-size:10px}.preview-body{height:390px;display:grid;grid-template-columns:165px 1fr}.preview-body aside{background:#f4f4f2;border-right:1px solid #e7e7e3;padding:22px 12px}.preview-body aside b{display:block;font-size:11px;margin:0 8px 15px}.preview-body aside span{display:flex;justify-content:space-between;margin:5px 0;padding:11px 8px;border-radius:9px;color:#777;font-size:11px}.preview-body aside span.active{background:#111;color:#fff}.preview-body aside i{font-style:normal;background:#fff;color:#111;border-radius:99px;padding:1px 5px}.preview-body section{background:#fafafa;padding:44px 25px;position:relative}.demo-message{margin-bottom:20px}.demo-message small{display:block;color:#aaa;font-size:9px;margin:0 4px 5px}.demo-message p{display:inline-block;background:#fff;border:1px solid #e5e5e5;border-radius:4px 13px 13px;padding:11px 13px;margin:0;font-size:11px}.demo-message.mine{text-align:right}.demo-message.mine p{background:#111;color:#fff;border-color:#111;border-radius:13px 4px 13px}.demo-composer{position:absolute;left:18px;right:18px;bottom:18px;border:1px solid #e8e8e8;border-radius:10px;background:#fff;color:#aaa;padding:12px;font-size:10px}.demo-composer b{float:right;background:#111;color:#fff;border-radius:6px;padding:5px 9px;margin-top:-5px}.home-features{max-width:1200px;margin:auto;padding:0 24px 95px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.home-features article{background:#111;color:#fff;padding:34px 28px;min-height:210px}.home-features article:first-child{border-radius:18px 0 0 18px}.home-features article:last-child{border-radius:0 18px 18px 0}.home-features span{font-size:10px;color:#777}.home-features h2{font-size:18px;margin:52px 0 12px}.home-features p{color:#aaa;font-size:12px;line-height:1.7;margin:0}.home-bottom{max-width:1152px;margin:0 auto 65px;background:#fff;border:1px solid #e1e1dc;border-radius:24px;padding:70px 25px;text-align:center}.home-bottom h2{font-size:34px;letter-spacing:-1.2px;margin:0 0 12px}.home-bottom p{color:#777;margin:0 0 25px}.home-footer{max-width:1200px;margin:auto;border-top:1px solid #ddd;padding:27px 24px 38px;display:flex;justify-content:space-between;color:#999;font-size:11px}.home-footer div{display:flex;gap:20px}.back-home{display:inline-block;color:#777;font-size:12px;margin-bottom:35px}
.site-settings{margin:18px 0}.server-limit-note{display:flex;align-items:center;gap:14px;background:#f4f4f4;border:1px solid #e6e6e6;border-radius:11px;padding:13px 15px;margin:15px 0}.server-limit-note b{white-space:nowrap}.server-limit-note span{color:#777;font-size:11px;line-height:1.5}.storage-panel{margin-top:18px}.storage-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}.storage-metrics article{background:#f5f5f5;border-radius:12px;padding:17px}.storage-metrics small,.storage-metrics b{display:block}.storage-metrics small{color:#888;font-size:10px}.storage-metrics b{font-size:20px;margin-top:8px}.cleanup-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cleanup-actions form{border:1px solid #e6e6e6;border-radius:12px;padding:15px;display:flex;align-items:center;justify-content:space-between;gap:12px}.cleanup-actions label{font-size:12px}.cleanup-actions label span{display:inline-flex;align-items:center}.cleanup-actions input[type=number]{width:76px;padding:7px;margin:0 4px;font-size:12px}.cleanup-note{margin:13px 0 0}.composer-tools label{font-size:11px;line-height:1;white-space:nowrap;border-radius:7px}.composer-tools label:hover{background:#f2f2f2}
@media(max-width:900px){.home-hero{grid-template-columns:1fr;padding-top:50px}.home-preview{transform:none}.home-features{grid-template-columns:1fr 1fr}.home-features article:first-child{border-radius:18px 0 0 0}.home-features article:nth-child(2){border-radius:0 18px 0 0}.home-features article:last-child{border-radius:0 0 18px 0}.home-features article:nth-child(3){border-radius:0 0 0 18px}.storage-metrics{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.home-nav{height:calc(64px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 14px 0}.home-logo b{max-width:105px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home-nav nav{display:none}.home-nav .btn{padding:8px 10px;font-size:11px}.home-hero{display:block;padding:48px 18px 68px}.home-hero h1{font-size:43px;letter-spacing:-2px}.home-hero>div>p{font-size:14px}.home-preview{margin-top:45px}.preview-body{height:315px;grid-template-columns:108px 1fr}.preview-body aside{padding:16px 7px}.preview-body aside span{padding:9px 5px}.preview-body section{padding:30px 12px}.demo-message p{font-size:10px}.home-features{grid-template-columns:1fr;padding:0 15px 55px}.home-features article,.home-features article:first-child,.home-features article:nth-child(2),.home-features article:nth-child(3),.home-features article:last-child{border-radius:0;min-height:150px}.home-features article:first-child{border-radius:16px 16px 0 0}.home-features article:last-child{border-radius:0 0 16px 16px}.home-features h2{margin-top:30px}.home-bottom{margin:0 15px 45px;padding:48px 20px}.home-bottom h2{font-size:28px}.home-footer{margin:0 15px;padding-left:0;padding-right:0}.server-limit-note{display:block}.server-limit-note span{display:block;margin-top:7px}.storage-metrics{grid-template-columns:1fr 1fr}.cleanup-actions{grid-template-columns:1fr}.cleanup-actions form{align-items:flex-start;flex-direction:column}.cleanup-actions .btn{width:100%}.composer-tools{gap:0}.composer-tools button,.composer-tools label{padding:7px 5px}.composer-tools label{font-size:0}.composer-tools label:has(input[id$="Image"])::after{content:'图';font-size:13px}.composer-tools label:has(input[id$="Video"])::after{content:'视频';font-size:11px}.composer-tools label:has(input[id$="File"])::after{content:'文件';font-size:11px}.visitor-composer .composer-tools label{font-size:0}.visitor-composer .composer-tools label:has(input)::after{font-size:11px}.send-btn{padding:0 12px}}