:root{--green:#087966;--green2:#0b947c;--deep:#172522;--muted:#71807c;--line:#dce6e1;--soft:#f4f8f6;--mint:#def2ea;--white:#fff;--shadow:0 18px 55px rgba(27,68,56,.13)}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--deep);background:linear-gradient(135deg,#dfeee8 0%,#f4f8f5 45%,#d6ebe2 100%);font-size:14px}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.page{min-height:100vh}.navbar{height:76px;border-bottom:1px solid rgba(8,121,102,.1);background:rgba(255,255,255,.96);box-shadow:0 2px 14px rgba(20,58,47,.07)}.nav-inner{width:min(1510px,calc(100% - 48px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:var(--deep);text-decoration:none;font-size:18px}.brand b{font-weight:760}.brand b span{color:var(--green)}.brand-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px 13px 13px 5px;color:#fff;background:linear-gradient(135deg,var(--green2),var(--green));box-shadow:0 7px 18px rgba(8,121,102,.27);font-size:20px}.service-status{display:flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;color:#60706a;background:#fff;font-size:12px;font-weight:650}.service-status i{width:7px;height:7px;border-radius:50%;background:#4ab86a;box-shadow:0 0 0 4px rgba(74,184,106,.12)}
.tool-layout{width:min(1510px,calc(100% - 48px));margin:24px auto;display:grid;grid-template-columns:400px minmax(0,1fr);gap:24px;align-items:start}.card{border:1px solid rgba(211,226,219,.95);border-radius:18px;background:rgba(255,255,255,.97);box-shadow:var(--shadow);overflow:hidden}.card-header,.mail-header{height:64px;padding:0 22px;display:flex;align-items:center;border-bottom:1px solid var(--line)}.card-header{gap:9px}.card-header h2,.header-title h2{margin:0;font-size:16px}.header-icon{color:var(--green);font-size:20px;font-weight:700}.fetch-form{padding:24px 20px 20px}.fetch-form label{display:block;margin-bottom:23px;color:#35443f;font-size:13px;font-weight:700}.fetch-form label em{color:#dc544f;font-style:normal}.input-wrap{position:relative;margin-top:10px}.input-wrap>span{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#8b9994}.input-wrap input{width:100%;height:43px;padding:0 45px 0 42px;border:1px solid #cedbd5;border-radius:5px;outline:none;color:var(--deep);background:#fff;transition:.2s}.input-wrap input:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(8,121,102,.08)}.input-wrap input::placeholder{color:#abb5b2}.input-wrap button{position:absolute;right:5px;top:50%;width:34px;height:34px;border:0;border-radius:50%;transform:translateY(-50%);color:#8a9893;background:transparent}.input-wrap button:hover{background:var(--soft)}.fetch-button{width:100%;height:49px;display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;color:#fff;background:linear-gradient(135deg,var(--green2),var(--green));box-shadow:0 7px 18px rgba(8,121,102,.25);font-weight:700;letter-spacing:.04em;transition:.2s}.fetch-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 24px rgba(8,121,102,.3)}.fetch-button:disabled{opacity:.65;cursor:wait}.fetch-button.loading .button-icon{animation:spin 1s linear infinite}.security-note{margin:15px 0 0;color:#899691;text-align:center;font-size:10px}.form-error{margin:-8px 0 14px;padding:9px 11px;border:1px solid #f0c9c7;border-radius:5px;color:#b34844;background:#fff4f3;font-size:11px;line-height:1.5}
.mail-card{min-height:480px}.mail-header{justify-content:space-between}.header-title{display:flex;align-items:center;gap:9px}.mail-actions{display:flex;align-items:center;gap:9px}.small-button{height:31px;padding:0 11px;border:1px solid var(--line);border-radius:5px;color:#64736e;background:#fff;font-size:11px}.small-button:hover{border-color:var(--green);color:var(--green)}.filter-box{position:relative;width:205px}.filter-box span{position:absolute;left:10px;top:48%;transform:translateY(-50%);color:#99a49f;font-size:17px}.filter-box input{width:100%;height:31px;padding:0 10px 0 31px;border:1px solid var(--line);border-radius:5px;outline:none;font-size:11px}.filter-box input:focus{border-color:var(--green)}.count-pill{height:27px;padding:0 12px;display:flex;align-items:center;border-radius:999px;color:#fff;background:#52b93f;font-size:11px;font-weight:750;white-space:nowrap}
.state-panel{min-height:414px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:50px 20px;color:var(--muted);text-align:center}.state-panel .state-icon{width:62px;height:62px;display:grid;place-items:center;border:1px solid #cfe0d8;border-radius:50% 50% 50% 18px;color:var(--green);background:var(--soft);font-size:28px}.state-panel h3{margin:18px 0 7px;color:#4c5e58;font-family:Georgia,"Noto Serif SC",serif;font-size:20px;font-weight:500}.state-panel p{margin:0;font-size:12px}.spinner{width:34px;height:34px;border:3px solid #d9e8e2;border-top-color:var(--green);border-radius:50%;animation:spin .75s linear infinite}.progress{width:min(330px,75%);height:5px;margin-top:22px;border-radius:999px;background:#e7efeb;overflow:hidden}.progress i{display:block;width:8%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),#64bca9);transition:width .4s ease}.mail-list{max-height:calc(100vh - 205px);min-height:414px;padding:13px 20px 22px;overflow:auto;scrollbar-width:thin;scrollbar-color:#bfd1c9 transparent}.mail-item{width:100%;padding:19px 8px;display:flex;align-items:center;gap:14px;border:0;border-bottom:1px solid #e7eeeb;text-align:left;color:var(--deep);background:transparent;transition:.18s}.mail-item:hover{padding-left:14px;border-bottom-color:transparent;border-radius:7px 16px 7px 7px;background:#edf7f3}.item-icon{flex:0 0 auto;color:#0c987e;font-size:20px}.item-content{min-width:0;flex:1}.item-subject{margin:0 0 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:750}.item-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.meta-tag{max-width:310px;padding:3px 7px;overflow:hidden;border:1px solid #ccd9d4;border-radius:4px;color:#76837f;background:#fff;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.meta-tag.date{border-color:#c9e5d9;color:#35836f;background:#f0faf6}.view-detail{flex:0 0 auto;color:var(--green);font-size:12px;font-weight:750}.view-detail span{margin-left:4px}.filter-empty{padding:100px 20px;color:var(--muted);text-align:center;font-size:12px}
.drawer-mask{position:fixed;inset:0;z-index:29;background:rgba(11,30,25,.28);backdrop-filter:blur(2px)}.detail-drawer{position:fixed;z-index:30;top:0;right:0;width:min(60%,940px);height:100vh;display:flex;flex-direction:column;background:#fff;box-shadow:-18px 0 55px rgba(17,48,39,.2);transform:translateX(102%);visibility:hidden;transition:transform .28s ease,visibility .28s}.detail-drawer.open{transform:translateX(0);visibility:visible}.drawer-header{min-height:86px;padding:18px 25px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-heading{min-width:0;display:flex;align-items:center;gap:13px}.drawer-icon{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:13px;color:#fff;background:var(--green);font-size:19px}.drawer-heading>div{min-width:0}.drawer-heading small{display:block;margin-bottom:5px;color:var(--green);font-size:9px;font-weight:800;letter-spacing:.15em}.drawer-heading h3{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px}.close-button{height:36px;padding:0 12px;border:0;border-radius:6px;color:#66736f;background:var(--soft)}.drawer-meta{padding:12px 26px;display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px}.drawer-meta b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#566761}.detail-loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;color:var(--muted);font-size:12px}#mailFrame{width:100%;flex:1;border:0;background:#fff}.drawer-footer{height:30px;display:flex;align-items:center;justify-content:center;border-top:1px solid var(--line);color:#94a09c;background:#fafcfb;font-size:9px}.toast{position:fixed;left:50%;bottom:28px;z-index:40;padding:12px 18px;border-radius:999px;color:#fff;background:#213a33;box-shadow:0 10px 30px rgba(21,52,43,.25);font-size:12px;opacity:0;pointer-events:none;transform:translate(-50%,10px);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:900px){.tool-layout{grid-template-columns:330px minmax(0,1fr)}.detail-drawer{width:75%}.meta-tag{max-width:190px}}
@media(max-width:720px){.navbar{height:66px}.nav-inner,.tool-layout{width:calc(100% - 24px)}.brand{font-size:14px}.brand-icon{width:37px;height:37px}.service-status{display:none}.tool-layout{margin:12px auto;grid-template-columns:1fr;gap:12px}.mail-card{min-height:430px}.mail-header{height:auto;min-height:64px;align-items:flex-start;gap:12px;flex-direction:column;padding-block:15px}.mail-actions{width:100%;flex-wrap:wrap}.filter-box{flex:1;width:auto;min-width:140px}.mail-list{max-height:none;min-height:360px}.detail-drawer{width:100%}.view-detail span{display:none}.drawer-header{padding:16px}.drawer-meta{padding-inline:18px}}