:root{--ink:#182c29;--muted:#71807a;--green:#245b4b;--green-dark:#194536;--line:#dce5de;--paper:#fbfcf9;--surface:#fff;--wash:#eef3ed;--warning:#896217;--red:#a33332;font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #75a896;outline-offset:4px}h1,h2,p{margin-top:0}h1{font-size:34px;line-height:1.3;letter-spacing:-1px;font-weight:650;margin-bottom:12px}h2{font-size:18px;font-weight:600}input{width:100%;border:1px solid #cdd9d0;border-radius:7px;background:#fff;color:var(--ink);padding:10px 12px;min-height:44px}input:focus{border-color:var(--green)}label{display:block;font-size:13px;font-weight:550;margin-bottom:6px}button{border:0}.header{height:85px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.9)}.header-inner{max-width:1240px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 36px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:23px;letter-spacing:-.7px;font-weight:650}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;background:var(--green);color:#fff;width:35px;height:35px;border-radius:10px;font-family:Georgia,serif;font-style:italic;font-size:26px;font-weight:400}.brand-caption{border-left:1px solid var(--line);padding-left:16px;margin-left:8px;color:var(--muted);font-size:12px;letter-spacing:2px;font-weight:400}.header nav{display:flex;align-items:center;gap:28px;font-size:14px}.header form{margin:0}.text-button{background:transparent;color:var(--green);padding:8px 0;font-size:14px}.page{max-width:1240px;margin:0 auto;padding:46px 36px 64px;min-height:calc(100vh - 167px)}.footer{max-width:1168px;border-top:1px solid var(--line);margin:0 auto;padding:22px 0;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:2px;color:var(--green);margin-bottom:20px}.hero{padding:52px 0 65px;max-width:780px}.hero h1{font-size:clamp(36px,5.3vw,62px);line-height:1.34;letter-spacing:-2px;margin-bottom:24px}.hero-copy{font-size:17px;line-height:1.95;color:#65776d;margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:23px;border:1px solid var(--green);border-radius:7px;background:var(--green);color:#fff;min-height:44px;padding:11px 21px;font-size:14px;font-weight:550;white-space:nowrap;line-height:1.4}.button:hover{background:var(--green-dark);text-decoration:none}.button.secondary{background:transparent;color:var(--green);border-color:#c8d7cc}.button.secondary:hover{background:var(--wash)}.button.small{min-height:37px;padding:8px 13px;font-size:13px}.wide{width:100%}.hero-note{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin-top:20px}.dot{width:6px;height:6px;border-radius:50%;background:#82a493}.features{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:32px;gap:42px}.features article p{font-size:14px;color:var(--muted);max-width:290px;margin-bottom:0}.feature-number{color:#89a293;font:12px ui-monospace,monospace;display:block;margin-bottom:12px}.features h2{margin-bottom:10px}.muted{color:var(--muted)}.login-page{display:grid;place-items:center}.login-card{width:100%;max-width:440px;padding:36px 35px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 20px 50px #153e2510;margin:20px 0 45px}.login-card h1{font-size:27px}.login-card .eyebrow{margin-bottom:13px}.login-form{margin-top:29px}.login-form button{margin-top:22px}.login-help{border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:12px;margin:26px 0 0;line-height:1.8}.notice{border:1px solid #c9ddd2;border-radius:8px;background:#edf6ee;padding:13px 17px;margin-bottom:20px;font-size:14px;overflow-wrap:anywhere}.notice.error{background:#fcf0ef;border-color:#edd5d1;color:#9d3631}.notice.warning{background:#fff9e9;border-color:#eadfc0;color:var(--warning)}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.page-heading .eyebrow{margin-bottom:11px}.page-heading p{font-size:14px;margin-bottom:0}.quota{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:9px;background:#f1f5ef;margin-bottom:29px;padding:22px 0}.quota-item{padding:0 25px;border-right:1px solid #dbe4da}.quota-item:last-child{border-right:0}.quota-item>span{display:block;color:var(--muted);font-size:12px;margin-bottom:9px}.quota-item strong{display:block;font-size:20px;font-weight:600;line-height:1.5}.quota-item em{font-size:12px;color:var(--muted);font-style:normal;font-weight:400}.quota-item small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.quota-item strong.good{font-size:17px;color:var(--green)}.warning-text{color:var(--warning)}.inbox-panel{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.filters{display:flex;align-items:flex-end;gap:14px;padding:24px}.filters>div{flex:1;min-width:0}.filters input{font-size:13px;background:#fcfdfb}.reset{font-size:12px;white-space:nowrap;padding-bottom:12px}.list-heading{background:#f7f9f5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 24px;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}.list-heading span:first-child{color:var(--ink);font-weight:600}.mail-row{display:grid;grid-template-columns:8px minmax(135px,1fr) minmax(180px,1.7fr) 150px 16px;align-items:center;gap:19px;padding:21px 24px;border-bottom:1px solid #e9eee6;color:var(--ink)}.mail-row:hover{background:#f6faf5;text-decoration:none}.read-dot{width:6px;height:6px;background:#cfd9d0;border-radius:50%}.unread .read-dot{background:var(--green)}.mail-row strong{font-weight:450;font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread strong{font-weight:650}.mail-row span:not(.read-dot):not(.row-arrow){display:block;font-size:11px;color:var(--muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-sender,.mail-subject,.mail-time{min-width:0}.mail-time{text-align:right;color:var(--muted);font-size:11px;overflow-wrap:anywhere}.row-arrow{color:#8a9f91}.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;font-size:11px;color:var(--muted)}.pagination>div{display:flex;gap:8px}.empty-state{text-align:center;padding:62px 22px 70px}.empty-symbol{font-size:34px;width:66px;height:66px;display:grid;place-items:center;border-radius:50%;background:var(--wash);color:#719582;margin:0 auto 22px}.empty-state h2{margin-bottom:8px}.empty-state p{font-size:13px;color:var(--muted);margin-bottom:0}.footnote{color:var(--muted);font-size:11px;margin:20px 0 0}.back-link{display:inline-block;font-size:13px;margin-bottom:25px}.message-card{border:1px solid var(--line);background:#fff;border-radius:10px;overflow:hidden}.message-header{padding:34px 36px 26px}.message-header h1{font-size:27px;overflow-wrap:anywhere}.message-header .eyebrow{margin-bottom:14px}.metadata{display:grid;grid-template-columns:82px 1fr;gap:6px 8px;font-size:12px;margin:23px 0 0}.metadata dt{color:var(--muted)}.metadata dd{margin:0;overflow-wrap:anywhere}.message-toolbar{display:flex;align-items:center;justify-content:space-between;padding:11px 36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f8faf6}.view-switch{display:flex;gap:5px}.view-switch a{padding:7px 13px;font-size:12px;border-radius:5px;color:var(--muted)}.view-switch a.selected{background:#e5eee4;color:var(--green);font-weight:600}.message-body{padding:32px 36px;min-height:235px}.plain-body{font:14px/1.9 "Segoe UI","Microsoft YaHei",sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.privacy-note{color:var(--muted);font-size:12px}.mail-frame{width:100%;min-height:550px;border:1px solid var(--line);border-radius:5px;background:#fff}.compact{padding:35px 0}.attachments{border-top:1px solid var(--line);padding:26px 36px}.attachments h2{margin-bottom:6px;font-size:15px}.attachments>p{font-size:12px;margin-bottom:18px}.attachment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.attachment{border:1px solid var(--line);padding:13px;display:flex;gap:12px;align-items:center;border-radius:7px}.attachment:hover{background:var(--wash);text-decoration:none}.attachment-icon{font-size:20px;flex-shrink:0}.attachment>span:last-child{min-width:0}.attachment strong{display:block;font-size:12px;font-weight:500;overflow-wrap:anywhere}.attachment small{display:block;color:var(--muted);font-size:11px}.message-footer{border-top:1px solid var(--line);padding:23px 36px;background:#fafcf8}.exports{display:flex;gap:10px;flex-wrap:wrap}.delete-details{margin-top:23px;font-size:12px;color:var(--red)}.delete-details summary{cursor:pointer;display:list-item}.delete-details form{margin-top:14px;display:flex;align-items:center;gap:16px}.delete-details label{font-size:12px;font-weight:400;margin:0}.delete-details input{width:15px;min-height:15px;vertical-align:middle;margin-right:6px}.button.danger{background:var(--red);border-color:var(--red)}.error-state{padding:70px 0;max-width:670px}.error-state>p{color:var(--muted);font-size:15px}.error-state .actions{display:flex;gap:12px;margin:29px 0}.error-state p:last-child{font-size:12px}.loading{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:12px 22px;color:#fff;background:#234d3ef2;border-radius:8px;box-shadow:0 4px 22px #162f2422;font-size:13px;z-index:20}.loading[hidden]{display:none}.skip-link{position:absolute;top:-100px;left:16px;background:#fff;padding:8px;z-index:30}.skip-link:focus{top:10px}
@media(max-width:900px){.brand-caption{display:none}.quota{grid-template-columns:repeat(2,1fr);row-gap:23px}.quota-item:nth-child(2){border-right:0}.mail-row{grid-template-columns:6px minmax(115px,1fr) minmax(150px,1.6fr) 100px;gap:13px}.row-arrow{display:none}.attachment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer{margin:0 36px}.filters{flex-wrap:wrap;gap:12px}.filters>div{flex-basis:26%}.features{gap:24px}}
@media(max-width:600px){:root{font-size:14px}.header{height:70px}.header-inner{padding:0 20px}.brand{font-size:21px;gap:9px}.header nav{gap:15px;font-size:13px}.header .text-button{font-size:13px}.page{padding:30px 20px 44px;min-height:calc(100vh - 166px)}h1{font-size:28px}.hero{padding:33px 0 45px}.hero h1{letter-spacing:-1px;line-height:1.45}.hero-copy{font-size:15px}.features{grid-template-columns:1fr;gap:26px;padding-top:27px}.features article{position:relative;padding-left:35px}.feature-number{position:absolute;left:0;top:2px}.features article p{max-width:none;font-size:13px}.features h2{font-size:16px}.footer{margin:0 20px;flex-direction:column;gap:5px;padding:18px 0;font-size:10px}.login-page{padding:25px 18px}.login-card{padding:27px 23px;box-shadow:none;margin:15px 0 35px}.login-card h1{font-size:24px}.page-heading{align-items:flex-start;margin-bottom:22px;gap:12px}.page-heading h1{font-size:29px}.page-heading .button{font-size:12px;padding:9px 11px;min-height:38px;margin-top:23px}.page-heading p{font-size:12px}.quota{padding:18px 0;margin-bottom:22px;row-gap:18px}.quota-item{padding:0 16px}.quota-item strong{font-size:18px}.quota-item strong.good{font-size:14px}.quota-item small{font-size:10px}.quota-item>span{font-size:11px;margin-bottom:5px}.filters{padding:17px;gap:13px}.filters>div{flex-basis:100%}.filters>div:first-child{flex-basis:100%}.filters>div:nth-child(2),.filters>div:nth-child(3){flex-basis:calc(50% - 7px)}.filters label{font-size:11px}.filters input{font-size:12px;padding:9px}.filters .button{padding:9px 21px;min-height:38px}.reset{padding:7px}.list-heading{padding:11px 17px;font-size:10px}.mail-row{grid-template-columns:6px 1fr 82px;gap:4px 11px;padding:17px}.mail-sender{grid-column:2;grid-row:1}.mail-sender strong{font-size:12px}.mail-sender>span{display:none!important}.read-dot{grid-column:1;grid-row:1}.mail-subject{grid-column:2;grid-row:2}.mail-subject strong{font-size:14px}.mail-subject>span{font-size:10px!important}.mail-time{grid-column:3;grid-row:1 / span 2;font-size:10px}.mail-time>span{font-size:10px!important}.pagination{padding:15px 17px;align-items:flex-start;font-size:10px}.empty-state{padding:42px 20px}.empty-state p{font-size:12px}.footnote{font-size:10px}.message-header{padding:25px 20px 22px}.message-header h1{font-size:23px}.metadata{grid-template-columns:64px 1fr;font-size:11px;gap:8px}.metadata .muted{display:block}.message-toolbar{padding:10px 17px}.message-toolbar .text-button{font-size:12px}.message-body{padding:24px 20px}.plain-body{font-size:13px}.attachments{padding:22px 20px}.attachment-grid{grid-template-columns:1fr}.message-footer{padding:22px 20px}.exports{gap:8px}.exports .button{font-size:11px;padding:8px 10px}.delete-details form{flex-direction:column;align-items:flex-start}.mail-frame{min-height:430px}.error-state{padding:45px 0}.error-state h1{font-size:27px}.loading{max-width:90%;width:max-content;bottom:18px}}