:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#243b39;background:#f5f7f6;font-synthesis:none;--green:#176b5b;--muted:#82908c;--line:#e7ece9}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit;border-radius:9px;padding:10px 13px}button:hover{background:#e9f1ed}button:disabled{opacity:.5;cursor:default}input,textarea,select{width:100%;padding:12px 14px;border:1px solid #dce5df;background:white;border-radius:9px;color:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px #176b5b12}label{display:block;font-size:13px;margin:15px 0 6px}h1,h2,h3,p{margin-top:0}h1{font-size:27px;letter-spacing:-1px}h2{font-size:20px}h3{font-size:15px}small,.muted{color:var(--muted);font-size:12px}.primary{background:var(--green);color:white}.primary:hover{background:#115546}.outline{border:1px solid #dce5df;background:white}.danger{color:#b9554e}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.grow{flex:1;min-width:0}.pill{font-size:11px;padding:5px 9px;background:#edf4ef;color:#54816b;border-radius:5px;white-space:nowrap}.brand{display:flex;gap:11px;align-items:center;font-size:22px;font-weight:750;letter-spacing:1px}.brand em{font-style:normal;background:var(--green);color:white;border-radius:12px;padding:6px 10px}.brand small{display:block;font-size:9px;letter-spacing:2px;font-weight:500;margin-top:3px}.shell{display:grid;grid-template-columns:228px 1fr;min-height:100vh}.sidebar{background:#f0f4f0;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column;gap:25px}.compose{width:100%;padding:14px;font-weight:600;text-align:center}.nav{display:grid;gap:5px}.nav button{display:flex;align-items:center;gap:13px;text-align:left;padding:12px 15px;color:#63776e}.nav button.active{background:#deebe2;color:#246b50;font-weight:650}.nav .badge{margin-left:auto;font-size:11px}.nav-title{font-size:10px;letter-spacing:2px;color:#94a198;margin:0 15px 6px}.side-bottom{margin-top:auto}.storage{border-top:1px solid #dce5de;padding:20px 8px 0}.bar{height:4px;background:#dfe7df;border-radius:4px;margin:10px 0}.bar span{display:block;height:100%;background:#7ba38b;border-radius:4px;min-width:2px}.account{margin-top:25px;display:flex;align-items:center;gap:9px}.avatar{width:35px;height:35px;border-radius:50%;background:#e5eee8;color:#38694e;display:inline-flex;justify-content:center;align-items:center;flex-shrink:0;font-weight:600;font-size:13px}.workspace{min-width:0}.topbar{height:80px;background:#fff;border-bottom:1px solid var(--line);padding:0 34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.search{width:min(440px,55%);position:relative}.search input{background:#f5f7f5;border:0;padding-left:38px}.search span{position:absolute;left:14px;top:10px;color:#9ba8a0}.page-head{padding:30px 34px 24px;display:flex;justify-content:space-between;align-items:center}.page-head h1{margin-bottom:7px}.page-head p{margin:0;font-size:12px;color:var(--muted)}.notice{margin:0 34px 23px;padding:12px 16px;border:1px solid #e2e9df;border-radius:10px;background:#f0f5ed;display:flex;align-items:center;gap:10px;font-size:12px;color:#6e8062}.mail-layout{display:grid;grid-template-columns:350px minmax(0,1fr);margin:0 34px 30px;background:white;border:1px solid var(--line);border-radius:13px;overflow:hidden;min-height:600px}.mail-list{border-right:1px solid var(--line)}.list-tools{height:57px;padding:10px 17px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}.list-tools select{font-size:12px;padding:7px;border:0;background:#f4f7f4}.mail-card{padding:20px 22px;cursor:pointer;border-bottom:1px solid #eef1ed;position:relative}.mail-card:hover{background:#f8faf7}.mail-card.selected{background:#edf5ee;border-left:3px solid var(--green);padding-left:19px}.mail-card .sender{font-size:12px;color:#556e60;font-weight:600}.mail-card .subject{font-size:14px;font-weight:600;margin:12px 0 7px}.mail-card .preview{font-size:12px;color:#93a095;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-bottom:12px}.mail-card time{font-size:10px;color:#93a095}.unread-dot{width:6px;height:6px;border-radius:50%;background:#328868;display:inline-block;margin-right:6px}.mail-reader{min-width:0}.reader-tools{height:57px;border-bottom:1px solid var(--line);padding:9px 20px;display:flex;align-items:center;gap:6px}.reader-tools button{font-size:12px}.reader-body{padding:32px}.reader-body h2{font-size:22px;line-height:1.6;margin-bottom:25px}.sender-details{font-size:12px;line-height:1.9}.message-body{font-size:14px;line-height:2.05;white-space:pre-wrap;overflow-wrap:anywhere;margin:30px 0 45px;color:#465b51;min-height:180px}.reader-footer{border-top:1px solid var(--line);padding-top:20px}.empty{text-align:center;color:#92a096;padding:75px 20px;font-size:13px}.empty b{display:block;font-size:35px;font-weight:400;color:#a7bdab;margin-bottom:15px}.panel{margin:0 34px 30px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:26px}.panel p{font-size:13px;color:#7e8c83;line-height:1.8}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:0 34px 22px}.stat{padding:22px;background:white;border:1px solid var(--line);border-radius:11px}.stat strong{display:block;font-size:29px;margin:12px 0 0}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;font-weight:500;color:#8e9b92;font-size:11px;padding:14px 10px;border-bottom:1px solid var(--line)}td{padding:17px 10px;border-bottom:1px solid #edf1ec}td button{font-size:12px}.status{color:#528266;font-size:11px}.off{color:#b18b78}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.settings-grid .panel{margin:0}.settings-grid-wrap{margin:0 34px 30px}.login{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}.login-art{background:#e7efe7;padding:60px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.login-art h1{font-size:49px;line-height:1.4;max-width:480px;letter-spacing:-2px;font-weight:500;margin-top:65px}.login-art p{color:#6e8575;font-size:14px;line-height:1.9}.orbit{width:320px;height:230px;align-self:center;position:relative;margin:20px}.orbit:before,.orbit:after{content:'';position:absolute;width:250px;height:250px;border:1px solid #b9cebd;border-radius:50%;transform:rotate(-25deg) scaleY(.6);left:10px;top:-10px}.orbit:after{transform:rotate(35deg) scaleY(.6)}.envelope{position:absolute;background:#fafcf8;box-shadow:0 25px 40px #4b76501c;border:1px solid #c5d7c8;left:60px;top:40px;width:195px;height:125px;border-radius:12px;display:grid;place-content:center;font-size:50px;color:#477654;transform:rotate(-12deg)}.login-form{display:flex;justify-content:center;align-items:center;padding:40px;background:#fafbf8}.login-form form{width:350px}.login-form h2{font-size:27px;margin-bottom:12px}.login-form .primary{width:100%;margin-top:24px;padding:14px}.hint{background:#f0f4ed;padding:14px;font-size:12px;color:#75866f;border-radius:8px;margin-top:25px;line-height:1.8}.error{color:#b5524d;font-size:12px;min-height:18px;margin-top:12px}dialog{width:min(560px,94vw);border:1px solid var(--line);border-radius:16px;padding:27px;box-shadow:0 30px 100px #12332225}dialog::backdrop{background:#142a2555;backdrop-filter:blur(3px)}dialog textarea{min-height:190px;resize:vertical}dialog .row.actions{justify-content:flex-end;margin-top:22px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#254e40;color:white;border-radius:10px;padding:13px 22px;box-shadow:0 5px 30px #17392a20;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10;font-size:13px}#toast.show{opacity:1}button:focus-visible{outline:2px solid #307a60;outline-offset:2px}.mobile-brand{display:none}.footer-note{font-size:11px;color:#98a297;margin-top:25px}.link{color:var(--green)}
@media(min-width:1500px){.mail-layout{grid-template-columns:410px 1fr}.reader-body{padding:40px 55px}.mail-card{padding:22px 26px}}
@media(max-width:1100px){.shell{grid-template-columns:190px 1fr}.sidebar{padding:25px 14px}.mail-layout{grid-template-columns:290px 1fr;margin-left:20px;margin-right:20px}.topbar,.page-head{padding-left:20px;padding-right:20px}.notice,.panel,.cards,.settings-grid-wrap{margin-left:20px;margin-right:20px}.reader-body{padding:22px}.settings-grid{grid-template-columns:1fr}.brand{font-size:19px}}
@media(max-width:800px){.shell{display:block}.sidebar{padding:14px;gap:12px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand,.side-bottom,.nav-title,.sidebar .account{display:none}.nav{display:flex;overflow-x:auto;gap:4px}.nav button{white-space:nowrap;padding:9px 12px;font-size:12px}.compose{padding:10px}.topbar{height:65px}.search{width:65%}.topbar .pill{display:none}.mail-layout{grid-template-columns:1fr;min-height:300px}.mail-list{border:0}.mail-layout.reading .mail-list{display:none}.mail-layout:not(.reading) .mail-reader{display:none}.reader-body{min-height:400px}.page-head{padding-top:24px}.page-head h1{font-size:23px}.notice{font-size:11px;line-height:1.7}.cards{gap:8px}.stat{padding:15px}.stat strong{font-size:24px}.login{grid-template-columns:1fr}.login-art{display:none}.login-form{min-height:100vh;padding:24px}.panel{padding:18px}.page-head>.row{gap:2px}.page-head button{font-size:12px;padding:8px}.reader-tools .back{display:block}.settings-grid-wrap{margin-bottom:20px}}
@media(min-width:801px){.reader-tools .back{display:none}}
.list-tools > small { flex: 0 0 64px; white-space: nowrap; } .list-tools select { min-width: 0; flex: 1; }
.brand-symbol { display:block; flex:0 0 42px; width:42px; height:48px; background-image:url("/brand.png"); background-repeat:no-repeat; background-size:196.875px 196.875px; background-position:-23.13px -74.65px; }

/* Account-oriented workspace: login identity, main mailbox and subaccounts. */
:root{--green:#176b5b;--line:#e3eae6;background:#f4f7f5;color:#233d35}
.sidebar{background:#f8faf7;padding-top:28px;gap:22px}.sidebar .brand{padding:0 1px 6px}.sidebar .compose{box-shadow:0 6px 15px #176b5b18}.nav button{transition:background .15s,color .15s}.nav button.active{background:#e1eee6;box-shadow:inset 3px 0 #27846c;border-radius:0 9px 9px 0}.topbar{height:78px;background:#ffffffeb}.search input{background:#f2f6f3;padding-top:13px;padding-bottom:13px}.account-chip{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600}.account-chip small{padding-left:5px;font-weight:400;border-left:1px solid #dfe7e2}.status-dot{height:6px;width:6px;border-radius:50%;background:#4f9972}.page-head{padding-top:28px;padding-bottom:20px}.page-head h1{font-size:26px;font-weight:650;letter-spacing:-.5px}.page-head p{font-size:13px}.notice{background:#f8f5ed;border-color:#ebe6d8;color:#887548;margin-bottom:18px;font-size:11px}.identity-strip{margin:0 34px 24px;padding:20px 24px;display:grid;grid-template-columns:.9fr 1.65fr .7fr;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 3px 15px #244c3303}.identity-strip>div{display:flex;flex-direction:column;gap:8px;padding:0 24px;border-left:1px solid var(--line);min-width:0}.identity-strip>div:first-child{border-left:0;padding-left:0}.identity-strip small{font-size:11px;color:#87988c}.identity-strip strong{font-size:17px;font-weight:650;overflow-wrap:anywhere}.identity-strip span{font-size:11px;color:#a0aba3}.identity-strip em{font-size:13px;color:#9aaa9e;font-style:normal;font-weight:400}.mail-layout{min-height:530px;box-shadow:0 4px 20px #244c3304}.mail-card.selected{background:#eef6ef}.mail-card .pill{background:#f0f5f1;color:#6b8977;font-size:10px}.reader-body h2{font-size:23px;letter-spacing:-.4px}.reader-tools{background:#fcfdfb}.panel{padding:25px 27px;box-shadow:0 4px 20px #244c3304}.panel h2{margin-top:9px;margin-bottom:12px;font-size:21px;letter-spacing:-.5px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;color:#6e9481}.subaccount-intro{display:flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(110deg,#fff,#eff6f0);margin-bottom:18px}.subaccount-intro p{margin:0;line-height:1.95}.quota-ring{min-width:112px;height:112px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;border:6px solid #dbeae0;border-top-color:#2b7a5b;border-radius:50%;background:#fff}.quota-ring strong{font-size:26px}.quota-ring strong small{font-size:11px;font-weight:400}.quota-ring>span{font-size:10px;color:#8c9d90}.stat{padding:19px 23px}.stat strong{font-size:26px}th{background:#f8faf7;padding:14px 13px}td{padding:18px 13px}td strong{font-size:13px;font-weight:550}td small{display:inline-block;margin-top:6px}.table-wrap table{min-width:560px}.table-wrap tbody tr:hover{background:#fbfcfa}.table-wrap tbody tr:last-child td{border-bottom:0}.login-art{padding:48px 58px;background:radial-gradient(ellipse at 10% 90%,#cfdfce 0,transparent 65%),#e9f0e8}.login-art h1{font-size:45px;margin-top:45px}.login-example{background:#ffffff80;border:1px solid #ffffffbc;padding:23px;border-radius:15px;margin:8px 0 25px;max-width:440px;box-shadow:0 10px 40px #304b3510}.login-example>small{font-size:9px;letter-spacing:1.7px}.example-account,.example-main{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;font-size:14px}.example-account span,.example-main span{font-size:11px;color:#7b9180;flex-basis:100%;margin-left:22px}.example-main{padding-top:14px;border-top:1px solid #d5e1d4}.example-children{display:flex;gap:6px;margin:18px 0 0 22px;flex-wrap:wrap}.example-children span{font-size:10px;padding:7px 9px;border:1px solid #d9e5d9;border-radius:6px;background:#ffffff90;color:#6c8570}.login-form h2{font-size:28px}.login-form form{width:380px}.login-form input{background:#fff;padding:14px}.account .grow h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account .grow small{overflow-wrap:anywhere;font-size:10px}.login-form .hint{font-size:11px}
@media(max-width:1100px){.identity-strip{margin-left:20px;margin-right:20px;padding:18px}.identity-strip>div{padding:0 16px}.identity-strip strong{font-size:15px}.login-art{padding:35px}.login-art h1{font-size:37px}}
@media(max-width:800px){.sidebar{gap:10px;padding:12px 16px}.sidebar .brand{display:flex;font-size:19px}.sidebar .brand-symbol{transform:scale(.8);transform-origin:left center;margin-right:-7px}.sidebar .brand small{font-size:8px}.sidebar .compose{position:absolute;right:16px;top:20px;width:auto;padding:10px 15px}.sidebar .nav{padding-top:3px}.sidebar .nav button.active{border-radius:8px;box-shadow:none}.identity-strip{grid-template-columns:1fr 1fr;padding:16px;gap:16px}.identity-strip>div{padding:0;border-left:0}.identity-strip>div:nth-child(2){grid-column:1 / -1;grid-row:2}.identity-strip>div:nth-child(3){text-align:right}.identity-strip strong{font-size:16px}.identity-strip span{font-size:10px}.account-chip{font-size:11px}.account-chip small{display:none}.topbar{height:65px}.subaccount-intro{gap:10px;padding:20px}.quota-ring{min-width:80px;height:80px;border-width:4px}.quota-ring strong{font-size:21px}.quota-ring>span{font-size:9px}.subaccount-intro h2{font-size:18px}.subaccount-intro p{font-size:11px}.cards{gap:10px}.cards .stat{padding:16px}.login-example{display:none}.panel{padding:20px}.identity-strip+div .mail-layout{min-height:350px}}