:root{--blue:#1263ff;--ink:#12213f;--muted:#62728f;--line:#dbe6fa;--bg:#f7fbff;--radius:22px;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;font-size:14px;line-height:1.6}
button,input,textarea,select{font:inherit}
button,a,input,textarea,select,summary{touch-action:manipulation}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer}
button:disabled{opacity:.55;cursor:wait}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #1263ff;outline-offset:3px}
h1,h2,h3,p{margin-top:0}
h1{font-size:25px;line-height:1.35;margin-bottom:8px}
h2{font-size:19px;margin-bottom:18px;line-height:1.4}
h3{font-size:16px}
p{margin-bottom:14px}
small{font-size:12px}
.muted{color:var(--muted)}
.blue{color:var(--blue)}
.block{display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid var(--line);border-radius:13px;background:white;color:#244d91;padding:9px 15px;font-weight:650;line-height:1.5;text-align:center;transition:background .15s,transform .15s;overflow-wrap:anywhere}
.btn:hover{background:#eef5ff;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 8px 20px #1263ff18}
.btn.primary:hover{background:#0753e5}
.btn.danger{color:#a82730;border-color:#f0cbd0}
.btn.large{font-size:21px;min-height:68px;padding:16px 48px;border-radius:20px}
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.actions .btn{font-size:13px;min-height:36px;padding:6px 11px}
.page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}
.page-heading p{margin-bottom:0;max-width:800px}
.panel{padding:24px;background:white;border:1px solid var(--line);border-radius:var(--radius);min-width:0;margin-bottom:20px}
.panel .panel{box-shadow:none;border-radius:16px;padding:18px}
.panel p:last-child{margin-bottom:0}
.notice{padding:13px 16px;background:#eef5ff;border:1px solid #dbe7ff;color:#31588d;border-radius:12px;margin-bottom:16px;white-space:pre-line;overflow-wrap:anywhere}
.notice.error,.form-error:not(:empty){color:#9b2531;background:#fff1f2;border:1px solid #f5cbd0}
.notice.warning{background:#fff8e9;color:#805118;border-color:#f0dfba}
.empty{text-align:center;padding:38px 20px;color:var(--muted);background:#fbfdff;border:1px dashed var(--line);border-radius:14px;margin-bottom:12px}
.status{display:inline-flex;align-items:center;border-radius:20px;background:#edf4ff;color:#245db4;font-size:12px;font-weight:650;padding:3px 9px;white-space:normal;overflow-wrap:anywhere}
.table-wrap{max-width:100%;overflow:auto;overscroll-behavior-inline:contain;margin-bottom:12px}
table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;min-width:560px}
th{font-size:12px;color:#70809a;font-weight:600;padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:15px 10px;border-bottom:1px solid #ecf2fb;vertical-align:top;max-width:360px;overflow-wrap:anywhere}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f8fbff}
.details{display:grid;grid-template-columns:minmax(100px,.25fr) minmax(0,1fr);gap:8px 18px;margin:0}
.details dt{color:var(--muted)}
.details dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}
.details dd:empty:after{content:'—'}
.field{display:grid;gap:6px;margin-bottom:15px;min-width:0}
.field label,.field>label{font-weight:600;font-size:13px}
.field small{line-height:1.6}
input:not([type=checkbox]),textarea,select{width:100%;min-width:0;background:#fbfdff;border:1px solid #cbdaf2;border-radius:12px;padding:10px 12px;color:var(--ink);min-height:44px}
textarea{resize:vertical;line-height:1.7}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--blue);flex-shrink:0}
.check{display:flex;gap:9px;align-items:center;min-height:40px;cursor:pointer}
.check-group{border:1px solid var(--line);border-radius:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:4px 16px;padding:14px;margin:0 0 16px}
.check-group legend{font-weight:650;padding:0 6px;font-size:13px}
.form{display:grid;gap:4px;margin-bottom:18px}
.form>.btn[type=submit]{justify-self:start;min-width:120px}
.form-error{border-radius:12px;padding:0;white-space:pre-line;overflow-wrap:anywhere}
.form-error:not(:empty){padding:12px 14px;margin-bottom:12px}
.toolbar{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;margin-bottom:18px}
.toolbar>.field{min-width:160px;flex:1;margin-bottom:0}
.toolbar>.btn{margin-bottom:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:12px 0 24px;padding-bottom:10px}
.tabs .btn{border-color:transparent;background:transparent;border-radius:8px}
.tabs .btn.active{color:var(--blue);background:#eaf2ff;border-color:#d8e5ff}
.app-shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 16px;position:sticky;top:0;height:100vh;height:100dvh;overflow-y:auto;z-index:25}
.brand{display:block;padding:5px 18px 22px}
.brand-logo{display:block;width:auto;height:34px;max-width:100%;object-fit:contain}
.brand .brand-logo{height:34px}
.nav-group{font-size:12px;color:#8b9ab3;letter-spacing:.05em;font-weight:650;margin:18px 14px 8px}
.nav-item{display:flex;align-items:center;gap:13px;color:#4e6080;border:1px solid transparent;border-radius:13px;font-weight:650;min-height:46px;padding:9px 14px;margin:3px 0;transition:background .15s,color .15s}
.nav-item:hover{text-decoration:none;background:#f3f7ff}
.nav-item.active{color:var(--blue);background:#eef5ff;border-color:var(--line)}
.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.main-area{min-width:0}
.topbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;min-height:74px;background:#ffffffee;border-bottom:1px solid var(--line);padding:13px 28px;position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
.topbar>strong{font-size:20px;white-space:nowrap}
.topbar>select{width:auto;max-width:320px;margin-right:auto}
.topbar .btn{min-height:40px}
.topbar .identity{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.membership-link{background:#fff4e0;color:#9d5908;border-color:#ffe1a0}
.content{padding:28px;max-width:1800px;margin:auto;min-height:calc(100vh - 74px);animation:page-in .18s ease-out}
.menu-toggle{display:none}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:22px}
.dashboard-grid>.panel{margin-bottom:0}
.dashboard-grid>.panel:first-child{min-height:340px}
.dashboard-grid>.panel:last-child{grid-column:1/-1}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}
.stat{padding:20px 16px;border:1px solid var(--line);border-radius:18px;background:#fff;min-width:0}
.stat strong{display:block;font-size:32px;line-height:1.25;letter-spacing:-.7px;margin-top:12px;overflow-wrap:anywhere}
.stat .muted{font-size:13px;font-weight:650}
.task-list{margin:0;padding:0;list-style:none}
.task-list li{padding:16px 0;border-bottom:1px solid var(--line)}
.task-list li:last-child{border:0}
.task-list p{margin:4px 0 0}
.conversation-layout{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;min-height:600px}
.thread-list{padding:14px;border-right:1px solid var(--line);background:#fff;max-height:90vh;overflow:auto}
.thread{display:flex;width:100%;flex-direction:column;align-items:flex-start;text-align:left;padding:14px;gap:6px;border-color:transparent;border-radius:13px;background:#fff;margin-bottom:8px;color:var(--ink)}
.thread:hover,.thread:focus{background:#edf4ff;border-color:var(--line)}
.thread strong{font-size:15px}
.conversation-detail{min-width:0;padding:22px;background:#fbfdff}
.conversation-detail h1{font-size:20px}
.conversation-detail .details{font-size:12px}
.conversation-detail .panel{padding:16px}
.messages{max-height:500px;overflow:auto;padding:18px 0}
.bubble{max-width:85%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:12px 0;background:#fff}
.bubble.outgoing{background:#edf4ff;margin-left:auto}
.bubble p{margin:5px 0}
.message-text{white-space:pre-wrap;overflow-wrap:anywhere}
.advanced{border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:12px 0 20px;background:#fff}
.advanced>summary{cursor:pointer;font-weight:650;min-height:34px}
.advanced[open]>summary{margin-bottom:18px}
.variant-row,.variable-row,.import-row{padding:16px;background:#f7fbff;border-radius:14px;border:1px solid var(--line);margin:10px 0 15px}
.variable-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.variable-row>.btn{justify-self:start}
.modal{border:1px solid var(--line);border-radius:24px;width:min(800px,calc(100vw - 40px));max-height:90vh;max-height:90dvh;padding:0;color:var(--ink);background:white;box-shadow:0 30px 100px #102a4d32;overflow:auto}
.modal::backdrop{background:#12213f66;backdrop-filter:blur(3px)}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:white;z-index:2}
.modal-head h2{margin:0}
.modal-body{padding:24px}
.modal .page-heading{display:block}
.modal .stats{grid-template-columns:1fr 1fr}
.modal table{min-width:520px}
.login-page{max-width:520px;background:#fff;margin:50px auto;padding:32px;border:1px solid var(--line);border-radius:24px;box-shadow:0 16px 60px #183e7710}
.login-page>.brand-logo{margin:28px 0}
.login-page h1{font-size:30px}
.login-wechat{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}
.login-wechat>.btn{margin-right:10px;margin-bottom:15px}
.narrow{max-width:850px;padding:40px 24px;margin:0 auto}
.narrow>.brand-logo{margin-bottom:40px}
.narrow>p{font-size:16px;line-height:1.9}
.narrow>.btn{margin:12px 10px 0 0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:white;padding:14px}
.skip-link:focus{top:10px}
.landing{background:#fff}
.landing-nav{min-height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:12px max(28px,calc((100vw - 1300px)/2));flex-wrap:wrap}
.logo-link{margin-right:auto}
.landing-nav .brand-logo{height:36px}
.landing-nav .nav-link{border:0;background:none;color:#243654;font-size:15px;font-weight:650;padding:8px 10px;min-height:42px}
.landing-hero{width:100%;padding:76px 24px 64px;text-align:center;background:linear-gradient(180deg,#fff 65%,#f0f6ff);overflow:hidden}
.landing-hero h1{font-size:clamp(36px,4.4vw,64px);letter-spacing:-1.8px;line-height:1.15;margin:10px auto 24px;font-weight:850;max-width:1000px}
.landing-hero>p{font-size:20px;color:#5d7092;max-width:900px;margin:0 auto 28px}
.landing-hero>p.muted{font-size:13px;margin:18px auto 0}
.product-preview{width:min(1160px,100%);margin:42px auto 0;display:grid;grid-template-columns:220px minmax(0,1fr);background:#fff;text-align:left;border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:0 22px 60px #174ea526}
.preview-side{border-right:1px solid var(--line);padding:0 24px 0 0}
.preview-side .brand-logo{height:30px;margin-bottom:28px}
.preview-side p{font-size:15px;font-weight:650;padding:10px 15px;color:#526689;margin:4px 0}
.preview-side p.active{color:var(--blue);background:#edf4ff;border-radius:10px}
.preview-body{padding:0 0 0 30px;min-width:0}
.preview-body h2{font-size:23px;margin-bottom:20px}
.workflow-strip{display:flex;gap:20px;align-items:center;justify-content:space-around;flex-wrap:wrap;padding:30px 0}
.workflow-strip>span,.workflow-strip>strong{position:relative;font-size:17px;font-weight:650;color:#1b4e9d}
.workflow-strip>span{padding:15px 20px;border:1px solid var(--line);border-radius:14px;background:#f7fbff}
.landing-section{padding:80px max(24px,calc((100vw - 1200px)/2))}
.landing-section>h2{font-size:34px;letter-spacing:-.8px;margin-bottom:28px}
.landing-section>p{max-width:900px;font-size:17px;line-height:1.9;color:#5d7092}
.landing-section.calm{background:#f7fbff}
.feature-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:42px}
.feature-columns .panel{border:0;border-radius:0;padding:12px 0;font-size:16px;line-height:1.9;box-shadow:none;background:none}
.feature-columns h2{font-size:22px}
.landing-footer{display:flex;gap:24px;align-items:center;justify-content:center;flex-wrap:wrap;border-top:1px solid var(--line);padding:40px 24px}
.landing-footer .brand-logo{height:30px;margin-right:auto}
.faq{border-bottom:1px solid var(--line);padding:20px 0;max-width:1000px}
.faq summary{font-size:18px;font-weight:650;cursor:pointer}
.faq p{max-width:900px;margin:14px 0 0;color:#62728f;line-height:1.9}
@keyframes page-in{from{opacity:.7;transform:translateY(4px)}
to{opacity:1;transform:translateY(0)}
}
@media(min-width:1600px){.content{padding:34px 40px}
}
@media(max-width:1200px){.app-shell{grid-template-columns:220px minmax(0,1fr)}
.sidebar{padding:20px 10px}
.topbar{padding:12px 20px;gap:10px}
.topbar .identity{display:none}
.content{padding:24px 20px}
.dashboard-grid{grid-template-columns:1fr}
.dashboard-grid>.panel:first-child{min-height:auto}
.stats{grid-template-columns:repeat(3,minmax(0,1fr))}
.landing-nav{gap:10px}
.landing-nav .nav-link{padding:6px}
.feature-columns{gap:28px}
.conversation-layout{grid-template-columns:220px minmax(0,1fr)}
}

@media(max-width:1024px){.app-shell{grid-template-columns:minmax(0,1fr)}
.sidebar{display:none;position:fixed;left:0;top:74px;bottom:0;height:calc(100dvh - 74px);width:260px;box-shadow:15px 0 50px #12213f22}
.sidebar.open{display:block}
.menu-toggle{display:inline-flex}
.topbar{min-height:74px}
.topbar>select{max-width:250px}
.topbar>strong{font-size:18px}
.landing-nav .nav-link{display:none}
.product-preview{grid-template-columns:175px minmax(0,1fr)}
.preview-body{padding-left:22px}
.preview-side{padding-right:15px}
.landing-section{padding-top:60px;padding-bottom:60px}
.landing-hero{padding-top:60px}
.stats{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:16px 12px}
.stat strong{font-size:28px}
}

@media(max-width:768px){.content{padding:20px 16px}
.page-heading{display:block}
.page-heading>.actions{margin-top:15px}
.topbar{gap:8px;padding:10px 16px}
.topbar>select{order:3;max-width:none;width:100%;flex-basis:100%}
.topbar>.membership-link{display:none}
.topbar>strong{margin-right:auto}
.topbar>.btn{min-height:36px;padding:7px 10px}
.sidebar{top:114px;height:calc(100dvh - 114px)}
.stats{grid-template-columns:1fr 1fr}
.dashboard-grid{gap:16px}
.panel{padding:20px;border-radius:18px;margin-bottom:16px}
.details{grid-template-columns:minmax(80px,.3fr) minmax(0,1fr);gap:8px 12px}
.conversation-layout{grid-template-columns:minmax(0,1fr)}
.thread-list{border-right:0;border-bottom:1px solid var(--line);max-height:280px}
.thread-list>div{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.thread-list .thread{margin:0}
.conversation-detail{padding:16px}
.two,.variable-row{grid-template-columns:1fr}
.feature-columns{grid-template-columns:1fr;gap:10px}
.landing-section>h2{font-size:28px}
.landing-hero{padding:45px 18px}
.landing-hero h1{font-size:42px;letter-spacing:-1.3px}
.landing-hero>p{font-size:17px}
.landing-nav{padding:12px 20px}
.product-preview{grid-template-columns:minmax(0,1fr);padding:22px}
.preview-side{display:none}
.preview-body{padding:0}
.product-preview .workflow-strip{gap:10px;padding:14px 0}
.workflow-strip>span{font-size:14px;padding:12px}
.landing-footer{gap:18px}
.landing-footer .brand-logo{margin-right:0;flex-basis:auto}
.modal{width:calc(100vw - 24px);max-height:94dvh}
.modal-head{padding:16px 18px}
.modal-body{padding:18px}
.check-group{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.toolbar{gap:10px}
.toolbar>.field{min-width:135px}
.login-page{margin:30px 16px;padding:26px;max-width:none}
}

@media(max-width:420px){body{font-size:14px}
.content{padding:18px 12px}
.topbar{padding:10px 12px}
.topbar>strong{font-size:17px}
.topbar>.btn{font-size:12px}
.toolbar>.field{min-width:100%;flex-basis:100%}
.actions .btn{min-height:40px}
.panel{padding:16px}
.stat strong{font-size:30px}
.stat .muted{font-size:12px}
.stats{gap:10px}
.stat{padding:16px 12px}
.landing-hero h1{font-size:35px;letter-spacing:-1px}
.landing-hero .large{font-size:18px;padding:15px 28px}
.landing-nav{gap:10px;padding:12px 16px}
.landing-nav .brand-logo{height:27px}
.landing-nav>.btn{font-size:13px;padding:8px 12px;min-height:40px}
.landing-section{padding:48px 20px}
.landing-section>h2{font-size:26px}
.workflow-strip{gap:16px;justify-content:flex-start}
.workflow-strip>strong{font-size:16px}
.thread-list>div{grid-template-columns:1fr}
.bubble{max-width:95%}
.check-group{grid-template-columns:1fr}
.page-heading h1{font-size:23px}
.modal-head h2{font-size:18px}
.details{grid-template-columns:1fr}
.details dd{padding-bottom:8px;border-bottom:1px solid #edf2fa}
.login-page{padding:22px 20px}
.narrow{padding:28px 20px}
}

@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}


.btn[aria-busy=true]{opacity:.6;cursor:wait}