:root{--bg: #0b0d12;--glass: rgba(255, 255, 255, .05);--glass-strong: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .1);--text: #e8eaf0;--text-dim: #9aa3b5;--accent: #6c8cff;--accent-2: #4a6ae8;--danger: #e85858;--ok: #3ecf8e;--radius: 14px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DengXian,Microsoft YaHei,Segoe UI,sans-serif;font-size:16px;color:var(--text);background:var(--bg);min-height:100vh}.glass{background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(20px) saturate(1.3);-webkit-backdrop-filter:blur(20px) saturate(1.3);border-radius:var(--radius)}.card{padding:24px;margin-bottom:20px;box-shadow:0 8px 32px #00000059}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 60% 50% at 50% -10%,rgba(76,108,255,.16),transparent),radial-gradient(ellipse 40% 40% at 85% 100%,rgba(232,88,88,.08),transparent),var(--bg)}.login-card{width:380px;display:flex;flex-direction:column;align-items:center;gap:16px;padding:44px 36px;transform-style:preserve-3d;transition:transform .2s ease,box-shadow .2s ease}.login-logo{width:88px;height:88px;object-fit:contain}.login-title{font-size:22px;font-weight:600;letter-spacing:1px;margin-bottom:12px}.input{width:100%;padding:12px 16px;font-size:16px;font-family:inherit;color:var(--text);outline:none;background:var(--glass-strong);transition:border-color .15s ease,box-shadow .15s ease}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6c8cff2e}.input::placeholder{color:var(--text-dim)}.input:-webkit-autofill,.input:-webkit-autofill:hover,.input:-webkit-autofill:focus{-webkit-box-shadow:0 0 0 1000px #1a1f2b inset;-webkit-text-fill-color:var(--text);transition:background-color 9999s ease-out}select.input option{background:#141821;color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;font-size:15px;font-family:inherit;color:var(--text);background:var(--glass-strong);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:background .15s ease,transform .1s ease;white-space:nowrap}.btn:hover{background:#ffffff1f}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));border:none;color:#fff}.btn.primary:hover{background:linear-gradient(135deg,var(--accent),var(--accent-2))}.btn.small{padding:6px 12px;font-size:14px}.btn.danger{color:#ff8f8f}.btn.danger:hover{background:#e8585826}.btn.logout{width:100%;margin-top:auto}.app{display:flex;min-height:100vh}.sidebar{width:220px;display:flex;flex-direction:column;padding:20px 14px;gap:8px;position:sticky;top:0;height:100vh;border-radius:0;border-left:none;border-top:none;border-bottom:none}.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 20px}.brand-logo{width:34px;height:34px;object-fit:contain}.brand-name{font-size:20px;font-weight:700;letter-spacing:1px}.nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;font-size:16px;font-family:inherit;color:var(--text-dim);background:transparent;border:none;border-radius:10px;cursor:pointer;transition:background .15s ease,color .15s ease}.nav-item:hover{color:var(--text);background:var(--glass)}.nav-item.active{color:#fff;background:linear-gradient(135deg,#4a6ae859,#6c8cff40)}.content{flex:1;padding:32px 36px;max-width:1100px}.page-title{font-size:24px;font-weight:600;margin-bottom:20px}.sec-title{font-size:17px;font-weight:600;margin-bottom:14px}.table{width:100%;border-collapse:collapse;font-size:15px}.table th{text-align:left;padding:10px 12px;color:var(--text-dim);font-weight:500;border-bottom:1px solid var(--border)}.table td{padding:12px;border-bottom:1px solid rgba(255,255,255,.05)}.table tr:last-child td{border-bottom:none}.empty{text-align:center;color:var(--text-dim);padding:28px 0!important}.ops{display:flex;gap:8px}.ops .btn{flex:none}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat{padding:20px}.stat-label{font-size:14px;color:var(--text-dim);margin-bottom:8px}.stat-value{font-size:28px;font-weight:700}.stat-sub{font-size:13px;color:var(--text-dim);margin-top:6px}.row{display:flex;gap:12px;align-items:center}.nselect-wrap{min-width:220px}.row .input{width:auto;flex:none}.row .input.grow{flex:1}.pill{display:inline-block;padding:3px 12px;border-radius:999px;font-size:13px}.pill.ok{background:#3ecf8e26;color:var(--ok)}.pill.off{background:#e8585826;color:var(--danger)}.settings-card{max-width:420px;display:flex;flex-direction:column;gap:14px}.compose-card{max-width:640px;display:flex;flex-direction:column;gap:14px}.compose-row{display:flex;align-items:center;gap:12px}.compose-label{width:64px;flex:none;color:var(--text-dim)}.compose-body{min-height:220px;resize:vertical;line-height:1.6}.compose-actions{display:flex;justify-content:flex-end}.mail-list{display:flex;flex-direction:column}.mail-item{display:flex;align-items:center;gap:14px;width:100%;padding:13px 10px;font-size:15px;font-family:inherit;color:var(--text-dim);background:transparent;border:none;border-bottom:1px solid rgba(255,255,255,.05);border-radius:0;cursor:pointer;transition:background .15s ease;text-align:left}.mail-item:last-child{border-bottom:none}.mail-item:hover{background:var(--glass)}.mail-item:disabled{opacity:.5;cursor:wait}.mail-item.unread{color:var(--text)}.mail-item.unread .mail-subject{font-weight:600}.mail-from{width:240px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-subject{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-date{flex:none;font-size:13px;color:var(--text-dim)}.mail-more{padding-top:12px;text-align:center;font-size:13px;color:var(--text-dim)}.mail-meta{display:flex;flex-direction:column;gap:8px;margin:10px 0 14px;padding:14px 16px;background:var(--glass-strong);border-radius:10px;font-size:14px;word-break:break-all}.mail-meta span{display:inline-block;width:64px;color:var(--text-dim)}.mail-body{min-height:140px;max-height:46vh;overflow-y:auto;padding:14px 16px;background:var(--glass-strong);border-radius:10px;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.toast{position:fixed;top:28px;left:50%;transform:translate(-50%);padding:12px 26px;border-radius:10px;font-size:15px;z-index:999;animation:toast-in .25s ease;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 32px #00000073}.toast.ok{background:#1e3c2dd9;border:1px solid rgba(62,207,142,.4);color:#b8ecd2}.toast.err{background:#461c1cd9;border:1px solid rgba(232,88,88,.4);color:#ffc9c9}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(-12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.nselect{position:relative;width:100%}.nselect-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;font-size:16px;font-family:inherit;color:var(--text);cursor:pointer;text-align:left}.nselect-btn .dim{color:var(--text-dim)}.nselect-btn.open,.nselect-btn:hover{background:var(--glass-strong)}.nselect-arrow{color:var(--text-dim);transition:transform .15s ease;flex:none}.nselect-arrow.up{transform:rotate(180deg)}.nselect-list{position:fixed;z-index:300;max-height:240px;overflow-y:auto;padding:6px;background:#12161ff7;box-shadow:0 12px 40px #0000008c}.nselect-item{display:block;width:100%;padding:10px 14px;font-size:15px;font-family:inherit;color:var(--text);background:transparent;border:none;border-radius:8px;cursor:pointer;text-align:left}.nselect-item:hover{background:var(--glass-strong)}.nselect-item.active{color:#fff;background:linear-gradient(135deg,#4a6ae859,#6c8cff40)}.nselect-empty{padding:12px 14px;color:var(--text-dim);font-size:14px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;background:#05070c99;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.modal-card{width:400px;max-width:calc(100vw - 48px);padding:26px;display:flex;flex-direction:column;gap:16px;background:#181c26eb;box-shadow:0 16px 60px #0000008c;animation:modal-in .18s ease}.modal-title{font-size:18px;font-weight:600}.modal-text{font-size:15px;line-height:1.6;color:var(--text-dim)}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.btn.danger-strong{background:linear-gradient(135deg,#c73a3a,#e85858);border:none;color:#fff}.btn.danger-strong:hover{background:linear-gradient(135deg,#e85858,#c73a3a)}@keyframes modal-in{0%{opacity:0;transform:translateY(-10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}