*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#172033;font-family:Arial,"Microsoft YaHei",sans-serif}header{height:64px;background:#fff;border-bottom:1px solid #e6eaf0;display:flex;align-items:center;gap:20px;padding:0 24px}.logo{font-size:19px;font-weight:700;flex:1}header a{color:#2563eb;text-decoration:none}.search{display:flex;max-width:500px;flex:1}.search input{flex:1;border:1px solid #d5dce6;padding:10px;border-radius:9px 0 0 9px}.search button,button{background:#2563eb;color:#fff;border:0;padding:10px 15px;border-radius:9px;cursor:pointer}.search button{border-radius:0 9px 9px 0}.login{min-height:100vh;padding-top:12vh;background:#f1f5fb}.login-card{background:#fff;width:380px;max-width:92%;margin:auto;padding:30px;border-radius:16px;box-shadow:0 15px 50px #0002}.login-card input{display:block;width:100%;padding:12px;margin:9px 0;border:1px solid #d5dce6;border-radius:9px}.login-card button{width:100%;margin:8px 0 15px}.login-card a{color:#2563eb}.err{color:#b42318;background:#fff1f2;padding:9px;border-radius:8px;margin-bottom:10px}.admin-grid{max-width:1200px;margin:24px auto;display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:#fff;border:1px solid #e5e9ef;border-radius:14px;padding:20px}.wide{grid-column:1/-1}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.formgrid input:last-of-type{grid-column:1/-1}input,textarea,select{padding:11px;border:1px solid #d3dae4;border-radius:9px;width:100%;font:inherit}table{width:100%;margin-top:18px;border-collapse:collapse}td,th{text-align:left;padding:9px;border-bottom:1px solid #edf0f4}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}.twocol textarea{height:180px}.boxrow{display:grid;grid-template-columns:240px 100px 1fr 70px 70px;gap:8px;align-items:center;border-top:1px solid #edf0f4;padding:11px 0}.boxrow small{color:#b42318}.danger{background:#dc2626}.mail-layout{display:grid;grid-template-columns:240px 1fr;height:calc(100vh - 64px)}aside{background:#fff;border-right:1px solid #e6eaf0;padding:15px}aside a{display:block;color:#344054;text-decoration:none;padding:11px;border-radius:8px}aside a.sel,aside a:hover{background:#edf4ff;color:#1d4ed8}aside b{float:right}aside h4{color:#98a2b3}.list{background:#fff;overflow:auto}.listhead{padding:15px 20px;border-bottom:1px solid #edf0f4}.mailrow{display:grid;grid-template-columns:18px 200px 1fr 220px;gap:10px;padding:13px 16px;border-bottom:1px solid #f0f2f5;text-decoration:none;color:#344054}.mailrow.unread{font-weight:700}.mailrow i{color:#2563eb}.mailrow span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mailrow small{color:#98a2b3}.empty{text-align:center;padding:90px;color:#98a2b3}.message,.compose{max-width:900px;margin:25px auto}.message pre{white-space:pre-wrap;line-height:1.8;font:inherit;min-height:250px}.message .actions a{display:inline-block;background:#2563eb;color:#fff;padding:10px;border-radius:8px;text-decoration:none}.compose label{display:block;font-weight:700;margin:12px 0 6px}.compose textarea{height:300px;resize:vertical}.compose button{margin-top:14px}@media(max-width:800px){.admin-grid{grid-template-columns:1fr;margin:12px}.wide{grid-column:auto}.mail-layout{grid-template-columns:1fr}.mail-layout aside{display:none}.mailrow{grid-template-columns:15px 1fr 80px}.mailrow small{display:none}.twocol{grid-template-columns:1fr}.boxrow{grid-template-columns:1fr 90px}.boxrow small{grid-column:1/-1}}
/* 后台专业版 */
.admin-badge{font-size:12px;background:#eef4ff;color:#2457d6;padding:5px 9px;border-radius:999px;margin-left:8px}.top-actions{display:flex;align-items:center;gap:18px;color:#667085;font-size:13px}.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}.admin-side{background:#fff;border-right:1px solid #e5e9ef;padding:24px 14px}.side-title{font-size:13px;color:#98a2b3;padding:0 12px 12px}.admin-side a{display:block;text-decoration:none;color:#475467;padding:12px 14px;border-radius:9px;margin:4px 0}.admin-side a:hover,.admin-side a.active{background:#edf4ff;color:#1d4ed8;font-weight:700}.admin-main{max-width:1250px;width:100%;padding:24px;margin:0 auto}.panel{background:#fff;border:1px solid #e5e9ef;border-radius:16px;padding:22px;margin-bottom:18px;box-shadow:0 3px 14px #10182808}.hero-panel{border-top:3px solid #2563eb}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.panel-title h1,.panel-title h2{margin:0 0 5px}.panel-title p{margin:0;color:#98a2b3;font-size:13px}.stat{min-width:90px;text-align:center;background:#f7f9fc;border-radius:12px;padding:10px}.stat b{display:block;font-size:24px;color:#1d4ed8}.stat span{font-size:12px;color:#98a2b3}.notice{padding:11px 14px;border-radius:10px;margin-bottom:14px}.notice.ok{background:#ecfdf3;color:#027a48}.notice.error{background:#fff1f2;color:#b42318}.create-user-form{display:grid;grid-template-columns:1fr 1fr;gap:13px;background:#f8fafc;border:1px solid #edf0f4;padding:16px;border-radius:12px}.field.full{grid-column:1/-1}.field label,.bind-form label{display:block;font-weight:700;font-size:13px;margin-bottom:6px}.field small{font-weight:400;color:#98a2b3}.field textarea{height:85px;resize:vertical}.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:12px}.primary{background:#2563eb}.form-actions span{font-size:12px;color:#98a2b3}.user-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.user-card{border:1px solid #e6eaf0;border-radius:14px;padding:16px}.user-head{display:flex;align-items:center;gap:11px}.avatar{width:42px;height:42px;border-radius:12px;background:#eaf1ff;color:#1d4ed8;display:grid;place-items:center;font-weight:800}.user-info{display:grid;gap:3px;flex:1}.user-info span{font-size:12px;color:#98a2b3}.status-pill{white-space:nowrap;padding:5px 9px;border-radius:999px;font-size:12px;background:#f2f4f7;color:#667085}.status-pill.on{background:#ecfdf3;color:#027a48}.status-pill.off{background:#fff1f2;color:#b42318}.user-meta{display:flex;justify-content:space-between;color:#98a2b3;font-size:12px;border-top:1px solid #edf0f4;border-bottom:1px solid #edf0f4;padding:10px 0;margin:12px 0}.user-meta b{color:#1d4ed8}.bound-list{min-height:42px}.bound-row{display:flex;align-items:center;gap:8px;padding:7px 0;font-size:13px;border-bottom:1px dashed #edf0f4}.bound-row>span:first-child{flex:1}.mini-status{font-size:11px}.mini-status.good{color:#027a48}.mini-status.bad{color:#b42318}.link-danger{background:none;color:#dc2626;padding:3px;font-size:12px}.empty-mini{color:#98a2b3;font-size:13px;padding:10px 0}.empty-large{text-align:center;padding:35px;color:#98a2b3}.empty-large small{display:block;margin-top:5px}.edit-box{margin-top:12px}.edit-box summary{cursor:pointer;color:#2563eb;font-size:13px}.edit-form{display:grid;grid-template-columns:1fr 1fr 100px auto;gap:7px;margin-top:10px}.edit-box .danger{margin-top:8px;background:#fff;color:#dc2626;border:1px solid #fecaca}.bind-form .twocol{margin:12px 0}.bind-form textarea{height:150px}.count-badge{background:#f2f4f7;padding:7px 10px;border-radius:9px;font-size:12px;color:#667085}.box-admin-row{display:grid;grid-template-columns:42px 1.3fr 90px 1.5fr 90px 70px;gap:10px;align-items:center;padding:12px 0;border-top:1px solid #edf0f4}.box-icon{width:38px;height:38px;border-radius:10px;background:#f2f6ff;display:grid;place-items:center}.box-main strong{display:block}.box-users{display:flex;gap:5px;flex-wrap:wrap;margin-top:5px}.box-users span{font-size:11px;background:#f2f4f7;padding:3px 7px;border-radius:999px;color:#667085}.last-error{color:#b42318;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.box-admin-row .danger{background:#dc2626}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-side{display:none}.admin-main{padding:12px}.user-cards{grid-template-columns:1fr}.box-admin-row{grid-template-columns:38px 1fr 80px}.box-admin-row .last-error,.box-admin-row form{grid-column:2}.create-user-form,.edit-form{grid-template-columns:1fr}.field.full,.form-actions{grid-column:auto}.panel-title{align-items:flex-start}.form-actions{display:block}.form-actions span{display:block;margin-top:8px}}

/* V21 邮件详情美化 */
.message-page{max-width:1100px;margin:28px auto;padding:0 18px}.message-card{background:#fff;border:1px solid #e4e8ef;border-radius:16px;box-shadow:0 8px 30px rgba(16,24,40,.06);overflow:hidden}.message-head{padding:26px 30px 20px;border-bottom:1px solid #edf0f4}.message-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.message-title-row h1{margin:0;font-size:25px;line-height:1.45;color:#101828;word-break:break-word}.message-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:18px;color:#667085;font-size:13px}.message-meta>div{display:flex;align-items:center;gap:7px}.meta-label{color:#98a2b3}.message-body-label{padding:18px 30px 0;color:#667085;font-size:13px;font-weight:700}.message-body{margin:10px 30px 26px;padding:22px 24px;background:#f8fafc;border:1px solid #edf0f4;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;line-height:1.9;font-size:15px;color:#344054;min-height:180px;max-height:65vh;overflow:auto}.message-footer-actions{display:flex;gap:10px;padding:0 30px 28px}.reply-btn{display:inline-flex;align-items:center;justify-content:center;background:#2563eb;color:#fff!important;text-decoration:none!important;padding:10px 18px;border-radius:9px;font-weight:700;white-space:nowrap}.reply-btn:hover{background:#1d4ed8}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;background:#f2f4f7;color:#344054!important;text-decoration:none!important;padding:10px 18px;border-radius:9px}.message-top-actions{display:flex;align-items:center;gap:18px}.top-reply{font-weight:700}.message-card a{cursor:pointer}@media(max-width:700px){.message-page{margin:12px auto;padding:0 10px}.message-head{padding:20px 18px 16px}.message-title-row{display:block}.message-title-row h1{font-size:20px;margin-bottom:14px}.message-meta{display:block}.message-meta>div{margin:8px 0}.message-body-label{padding:16px 18px 0}.message-body{margin:10px 18px 20px;padding:16px;max-height:55vh}.message-footer-actions{padding:0 18px 20px;flex-wrap:wrap}.message-top-actions{gap:10px;font-size:13px}}
/* V21 快速双栏邮件工作区：邮件列表与阅读/回复分开，减少整页跳转 */
.head-link{background:none!important;color:#2563eb!important;padding:0!important;font:inherit;cursor:pointer}
.mail-layout-v21{grid-template-columns:220px 360px 1fr;height:calc(100vh - 64px)}
.mail-list-v21{min-width:0;border-right:1px solid #e6eaf0}
.mailrow-v21{display:grid;grid-template-columns:14px minmax(110px,150px) minmax(0,1fr);grid-template-rows:auto auto;gap:4px 10px;padding:11px 13px;cursor:pointer;min-height:68px;overflow:hidden}
.mailrow-v21 i{grid-column:1;grid-row:1;line-height:20px}
.mailrow-v21>b{grid-column:2;grid-row:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:20px}
.mailrow-v21 span{grid-column:3;grid-row:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:20px}
.mailrow-v21 small{grid-column:2/4;grid-row:2;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;line-height:16px}
.mailrow-v21.active{background:#edf4ff}
.mailrow-v21 strong{display:inline}
.mail-workspace{min-width:0;background:#f5f7fb;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);height:100%;overflow:hidden}
.workspace-mail,.workspace-reply{min-width:0;overflow:auto;background:#fff}
.workspace-mail{border-right:1px solid #e6eaf0}
.workspace-reply{padding:18px;background:#f8fafc}
.workspace-mail .message-card{border:0;border-radius:0;box-shadow:none;min-height:100%}
.workspace-mail .message-head{padding:20px 22px 16px}
.workspace-mail .message-title-row h1{font-size:20px}
.workspace-mail .message-body-label{padding:15px 22px 0}
.workspace-mail .message-body{margin:8px 22px 20px;max-height:calc(100vh - 300px);min-height:120px}
.workspace-mail .message-footer-actions{padding:0 22px 20px}
.workspace-mail .message-top-actions{display:none}
.workspace-reply .reply-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}
.reply-head h2{margin:0;font-size:20px}.reply-head span{font-size:12px;color:#98a2b3}
.workspace-reply form{background:#fff;border:1px solid #e4e8ef;border-radius:12px;padding:16px;box-shadow:0 2px 10px #10182808}
.workspace-reply form label{display:block;font-weight:700;margin:10px 0 6px}.workspace-reply form textarea{height:280px;resize:vertical}.workspace-reply form button{width:100%;margin-top:12px}
.reply-empty,.workspace-empty{text-align:center;color:#98a2b3;padding:90px 20px}.reply-empty{padding-top:120px}.workspace-empty{height:100%}.workspace-empty h3,.reply-empty h3{color:#475467;margin:10px 0 5px}.workspace-empty p,.reply-empty p{margin:0;font-size:13px}.pane-loading{text-align:center;padding:100px;color:#667085}.pane-error{padding:40px;color:#b42318}.reply-ok,.reply-error,.reply-wait{margin-top:12px;padding:10px;border-radius:9px;font-size:13px}.reply-ok{background:#ecfdf3;color:#027a48}.reply-error{background:#fff1f2;color:#b42318}.reply-wait{background:#eef4ff;color:#2457d6}.toast-v21{position:fixed;right:22px;bottom:22px;padding:11px 16px;background:#173f78;color:#fff;border-radius:10px;z-index:9999;box-shadow:0 8px 24px #0002}
@media(max-width:1200px){.mail-layout-v21{grid-template-columns:200px 330px 1fr}.mailrow-v21{grid-template-columns:14px minmax(100px,125px) minmax(0,1fr)}.mail-workspace{grid-template-columns:1fr}.workspace-reply{border-top:1px solid #e6eaf0;min-height:420px}.workspace-mail{border-right:0}}
@media(max-width:800px){.mail-layout-v21{display:block;height:auto}.mail-layout-v21 aside{display:none}.mail-list-v21{height:42vh;border-right:0;border-bottom:1px solid #e6eaf0}.mail-workspace{display:block;height:auto}.workspace-mail,.workspace-reply{min-height:420px;border:0}.mailrow-v21{grid-template-columns:14px minmax(0,1fr);grid-template-rows:auto auto;min-height:64px}.mailrow-v21>b{grid-column:2;grid-row:1}.mailrow-v21 span{grid-column:2;grid-row:2}.mailrow-v21 small{display:none}.workspace-mail .message-body{max-height:50vh}}

.notify-btn{border:0;background:transparent;cursor:pointer;color:#2457d6;font-size:14px}.mail-notice-v21{position:fixed;right:22px;top:78px;max-width:420px;padding:12px 16px;background:#fff;border:1px solid #cfe0ff;border-radius:12px;box-shadow:0 10px 28px #10182822;color:#1d4ed8;z-index:9998;font-size:13px}.mail-notice-v21:before{content:"";display:inline-block;width:8px;height:8px;background:#2563eb;border-radius:50%;margin-right:7px}