:root{--primary:#087f8c;--deep:#173c46;--muted:#7a9297;--bg:#f3f7f7;--line:#e4eeee;--tint:#e7f4f3;--card:16px;--button:10px}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;color:var(--deep);margin:0;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.login-layout{background:#fff;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);min-height:100vh;display:grid}.login-image{background:linear-gradient(135deg,#f3f7f7e6,#e7f4f3f5),url(/design/admin/02_%E8%BF%90%E8%90%A5%E5%B7%A5%E4%BD%9C%E5%8F%B0.svg) 50%/cover;min-height:100vh;padding:56px 8%}.brand-lockup,.sidebar-brand{align-items:center;gap:10px;display:flex}.brand-lockup strong,.sidebar-brand strong{font-size:22px;line-height:1;display:block}.brand-lockup small,.sidebar-brand small{color:var(--muted);letter-spacing:2px;margin-top:5px;font-size:9px;display:block}.brand-mark{border:1.5px solid var(--primary);width:36px;height:36px;color:var(--primary);border-radius:50%;place-items:center;font-weight:600;display:grid}.login-image h1{margin:26vh 0 18px;font-size:42px;font-weight:500;line-height:1.35}.login-image p{color:var(--muted)}.login-card{border:1px solid var(--line);border-radius:var(--card);background:#fff;align-self:center;width:min(410px,100% - 60px);margin:auto;padding:42px;box-shadow:0 24px 60px #173c4614}.eyebrow{color:var(--primary);letter-spacing:2px;font-size:11px}.login-card h2{margin:12px 0 8px;font-size:28px}.muted,.login-note{color:var(--muted);font-size:13px}label{color:var(--deep);flex-direction:column;gap:7px;font-size:13px;display:flex}.login-card label{margin-top:22px}input,textarea{border:1px solid var(--line);width:100%;color:var(--deep);background:#f8fafa;border-radius:9px;outline:none;padding:12px 13px}input:focus,textarea:focus{border-color:var(--primary);background:#fff}textarea{resize:vertical;min-height:100px}.primary-button{border-radius:var(--button);background:var(--primary);color:#fff;border:0;padding:11px 18px;font-weight:500}.login-card .primary-button{width:100%;margin-top:24px}.text-button{color:var(--primary);background:0 0;border:0}.error{color:#b85b55;font-size:13px}.admin-layout{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);background:#fff;flex-direction:column;width:218px;padding:28px 16px 18px;display:flex;position:fixed;inset:0 auto 0 0}.sidebar-brand{padding:0 10px 30px}.sidebar-brand strong{font-size:20px}.sidebar-label{color:#a4b6b9;margin:0 10px 12px;font-size:11px}.nav-list{gap:4px;display:grid}.nav-list button{color:#657f86;text-align:left;background:0 0;border:0;border-radius:9px;padding:11px 12px}.nav-list button:hover,.nav-list button.active{background:var(--primary);color:#fff}.sidebar-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding:15px 10px 0;font-size:12px;display:flex}.sidebar-bottom button{color:var(--muted);background:0 0;border:0;font-size:12px}.admin-main{width:calc(100% - 218px);margin-left:218px}.topbar{border-bottom:1px solid var(--line);height:70px;color:var(--muted);background:#fff;justify-content:space-between;align-items:center;padding:0 36px;font-size:13px;display:flex}.topbar div{align-items:center;gap:16px;display:flex}.user-name{color:var(--deep)}.status{background:var(--tint);min-height:24px;color:var(--primary);white-space:nowrap;border-radius:6px;align-items:center;padding:3px 9px;font-size:11px;display:inline-flex}.content{max-width:1240px;margin:0 auto;padding:42px 36px 70px}.page-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;display:flex}.page-heading h1{margin:0;font-size:28px;font-weight:600}.page-heading p{color:var(--muted);margin:9px 0 0;font-size:13px}.stat-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;display:grid}.stat-card,.panel{border:1px solid var(--line);border-radius:var(--card);background:#fff}.stat-card{padding:20px}.stat-card span,.stat-card small{color:var(--muted);font-size:12px;display:block}.stat-card strong{margin:22px 0 8px;font-size:34px;font-weight:600;display:block}.panel{margin-top:20px;padding:20px}.panel-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.panel-heading h3{margin:0;font-size:17px}.panel-heading span{color:var(--muted);font-size:12px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:620px}th,td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:14px 12px;font-size:12px}th{background:var(--bg);color:var(--muted);font-weight:500}td{color:#526f76}.product-cell{color:var(--deep);align-items:center;gap:10px;font-weight:500;display:flex}.product-cell img{object-fit:contain;background:var(--tint);border-radius:8px;width:44px;height:44px}.empty{color:var(--muted);text-align:center;padding:58px 20px;font-size:13px}.form-panel{padding-bottom:24px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:20px;display:grid}.form-grid .wide{grid-column:1/-1}@media (width<=900px){.login-layout{grid-template-columns:1fr}.login-image{min-height:280px;padding:28px}.login-image h1{margin:70px 0 12px;font-size:30px}.login-card{width:min(520px,100% - 32px);margin:28px auto}.sidebar{width:190px}.admin-main{width:calc(100% - 190px);margin-left:190px}.content{padding:28px 18px 50px}.stat-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.sidebar{width:100%;height:auto;padding:18px 12px;position:static}.sidebar-label,.sidebar-bottom{display:none}.sidebar-brand{padding-bottom:14px}.nav-list{gap:5px;padding-bottom:4px;display:flex;overflow:auto}.nav-list button{white-space:nowrap;flex:none}.admin-layout{display:block}.admin-main{width:100%;margin:0}.topbar{height:54px;padding:0 16px}.topbar .user-name{display:none}.content{padding:24px 14px 40px}.page-heading{flex-direction:column;align-items:flex-start}.stat-grid{gap:10px}.stat-card{padding:14px}.stat-card strong{margin:15px 0 5px;font-size:26px}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}}