:root{
  --primary:#78c89a;--primary-2:#4fae78;--accent:#b9ead0;
  --bg:#eef7f1;--surface:rgba(255,255,255,.78);--surface-solid:#fff;
  --ink:#17241d;--text:#43564b;--muted:#819187;--line:rgba(37,83,58,.10);
  --success:#36a269;--warning:#d99a35;--danger:#df6b6b;--radius:20px;--sidebar-w:258px;--header-h:74px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{min-height:100%;background:var(--bg)}
body{min-height:100vh;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);font-size:14px;line-height:1.65;background:var(--bg);}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
.admin-layout{min-height:100vh}
/* 玻璃侧栏 */
.sidebar{width:var(--sidebar-w);position:fixed;inset:0 auto 0 0;z-index:100;display:flex;flex-direction:column;padding:16px 13px;background:rgba(249,255,251,.78);backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px);border-right:1px solid rgba(55,105,75,.10);box-shadow:12px 0 50px rgba(47,92,63,.08)}
.sidebar-brand{height:58px;display:flex;align-items:center;gap:12px;padding:0 12px;margin-bottom:8px}
.sidebar-brand .brand-logo,.sidebar-brand img{width:40px;height:40px;border-radius:14px;object-fit:cover;flex:none}
.sidebar-brand .brand-logo{display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;background:linear-gradient(135deg,var(--primary-2),var(--accent));box-shadow:0 8px 22px rgba(79,174,120,.25)}
.sidebar-brand .brand-name{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-nav{flex:1;overflow:auto;padding:5px 3px 14px}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(70,110,83,.16);border-radius:9px}
.sidebar-nav .nav-section{padding:18px 12px 7px;color:#9aaa9f;font-size:10px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase}
.sidebar-nav .nav-item{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 13px;margin:3px 0;border:1px solid transparent;border-radius:13px;color:#65766c;font-weight:600;transition:.22s ease}
.sidebar-nav .nav-item:hover{color:var(--ink);background:rgba(255,255,255,.72);transform:translateX(2px)}
.sidebar-nav .nav-item.active{color:#276b47;background:linear-gradient(135deg,rgba(120,200,154,.22),rgba(185,234,208,.24));border-color:rgba(82,170,116,.18);box-shadow:0 7px 22px rgba(73,133,93,.08)}
.sidebar-nav .nav-icon{width:22px;text-align:center;font-size:17px;filter:saturate(.8)}
.sidebar-footer{padding:14px 12px 8px;border-top:1px solid var(--line);color:#9aaa9f;font-size:12px}.sidebar-footer a:hover{color:#47745a}
/* 主区域 */
.admin-main{min-height:100vh;margin-left:var(--sidebar-w);display:flex;flex-direction:column;position:relative}
.admin-header{height:var(--header-h);position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 30px;background:rgba(249,255,251,.72);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--line)}
.header-left,.header-right{display:flex;align-items:center}.header-left{gap:15px}.header-title{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.3px}.menu-toggle{display:none;color:var(--ink);font-size:21px;cursor:pointer}
.header-right{gap:12px}.header-avatar{display:flex;align-items:center;gap:10px;padding:5px 13px 5px 6px;border:1px solid var(--line);border-radius:30px;background:rgba(255,255,255,.68);box-shadow:0 7px 22px rgba(44,83,57,.06)}
.header-avatar .avatar-img{width:36px;height:36px;border-radius:50%;object-fit:cover;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary-2),var(--accent));color:#fff;font-weight:800}.header-avatar .avatar-name{font-size:13px;font-weight:700;color:var(--ink)}
.admin-content{width:100%;max-width:1500px;margin:0 auto;padding:30px}
/* 首页欢迎 */
.page-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px;margin-bottom:22px;border:1px solid rgba(74,140,96,.10);border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.86),rgba(228,247,236,.62));box-shadow:0 18px 55px rgba(50,99,65,.07)}
.page-hero h1{font-size:25px;line-height:1.2;color:var(--ink);font-weight:850}.page-hero p{margin-top:7px;color:var(--muted)}
/* 卡片 */
.card{background:var(--surface);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(48,94,65,.10);border-radius:var(--radius);padding:23px;margin-bottom:20px;box-shadow:0 14px 45px rgba(48,91,62,.055)}
.card:hover{box-shadow:0 18px 55px rgba(48,91,62,.075)}.card-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}.card-title{font-size:16px;font-weight:800;color:var(--ink)}.card-desc{font-size:12px;color:var(--muted);margin-top:3px}
/* 统计 */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}.stat-card{position:relative;overflow:hidden;padding:21px;border-radius:19px;border:1px solid rgba(55,105,75,.10);background:rgba(255,255,255,.80);box-shadow:0 12px 38px rgba(52,95,67,.055);transition:.22s}.stat-card:hover{transform:translateY(-3px);box-shadow:0 20px 48px rgba(52,95,67,.10)}.stat-card:after{content:"";position:absolute;right:-25px;top:-35px;width:110px;height:110px;border-radius:50%;background:rgba(120,200,154,.10)}.stat-icon{position:relative;z-index:1;width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:rgba(120,200,154,.15);font-size:19px;margin-bottom:14px}.stat-label{font-size:12px;color:var(--muted)}.stat-value{margin-top:1px;font-size:29px;font-weight:850;color:var(--ink);letter-spacing:-.5px}.stat-trend{font-size:11px;color:#8b9a91;margin-top:3px}.stat-trend.up{color:var(--success)}
/* 表格 */
.data-table{width:100%;border-collapse:separate;border-spacing:0}.data-table th{padding:12px 14px;text-align:left;color:#8a998f;font-size:11px;font-weight:800;letter-spacing:.4px;border-bottom:1px solid var(--line)}.data-table td{padding:14px;border-bottom:1px solid rgba(50,90,65,.07);font-size:13px}.data-table tbody tr{transition:.16s}.data-table tbody tr:hover td{background:rgba(229,246,235,.42)}.data-table tbody tr:last-child td{border-bottom:0}
/* 表单 */
.form-group{margin-bottom:17px}.form-label{display:block;margin-bottom:7px;color:var(--ink);font-size:13px;font-weight:700}.required{color:var(--danger)}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.form-row-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.form-input,.form-select,.form-textarea{width:100%;border:1px solid rgba(48,94,65,.13);background:rgba(255,255,255,.82);color:var(--ink);border-radius:12px;padding:11px 13px;outline:none;transition:.18s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:rgba(73,166,109,.55);box-shadow:0 0 0 4px rgba(120,200,154,.13);background:#fff}.form-textarea{min-height:120px;resize:vertical}.form-hint{margin-top:5px;color:#98a59d;font-size:11px}.upload-box{padding:18px;border:1px dashed rgba(73,145,96,.25);border-radius:14px;background:rgba(234,248,239,.45)}.upload-preview{display:none;max-width:180px;max-height:120px;margin-top:10px;border-radius:12px}.upload-preview.show{display:block}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:11px;padding:9px 16px;font-size:13px;font-weight:750;cursor:pointer;transition:.18s;text-decoration:none}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 8px 22px rgba(79,174,120,.22)}.btn-primary:hover{box-shadow:0 12px 28px rgba(79,174,120,.28)}.btn-ghost{background:rgba(120,200,154,.10);color:#377b55}.btn-outline{background:rgba(255,255,255,.65);color:#4c6556;border:1px solid rgba(55,105,75,.13)}.btn-danger{background:rgba(223,107,107,.10);color:#c55656}.btn-sm{padding:7px 12px;font-size:12px}.btn-lg{padding:12px 20px}
/* 标签/提示 */
.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:800}.badge-success{color:#287a4d;background:rgba(54,162,105,.11)}.badge-warning{color:#a56d18;background:rgba(217,154,53,.12)}.badge-danger{color:#bd4e4e;background:rgba(223,107,107,.12)}.badge-info{color:#39766a;background:rgba(87,171,153,.12)}.badge-muted{color:#7c8981;background:rgba(120,140,128,.10)}.alert{padding:12px 15px;border-radius:13px;margin-bottom:18px;border:1px solid transparent}.alert-success{color:#2d7750;background:rgba(54,162,105,.09);border-color:rgba(54,162,105,.14)}
.switch{position:relative;display:inline-flex;width:45px;height:25px;vertical-align:middle}.switch input{opacity:0;width:0;height:0}.switch-slider{position:absolute;inset:0;border-radius:99px;background:#d7e1db;cursor:pointer;transition:.2s}.switch-slider:before{content:"";position:absolute;width:19px;height:19px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.15);transition:.2s}.switch input:checked+.switch-slider{background:var(--primary-2)}.switch input:checked+.switch-slider:before{transform:translateX(20px)}
.toast{position:fixed;right:24px;top:90px;z-index:9999;padding:12px 17px;border-radius:13px;color:#fff;background:#26372d;box-shadow:0 15px 45px rgba(0,0,0,.18);transform:translateY(-10px);opacity:0;transition:.25s}.toast.show{transform:none;opacity:1}.toast-success{background:#287a4d}.toast-error{background:#c95555}
/* 登录 */
.login-page{min-height:100vh;display:grid;place-items:center;padding:25px;position:relative;overflow:hidden;background:radial-gradient(circle at 15% 15%,rgba(120,200,154,.25),transparent 34%),radial-gradient(circle at 85% 80%,rgba(185,234,208,.28),transparent 32%),linear-gradient(135deg,#edf8f1,#f8fbf9)}.login-page:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;border:1px solid rgba(73,166,109,.10);box-shadow:0 0 0 60px rgba(120,200,154,.025),0 0 0 120px rgba(120,200,154,.018)}.login-card{position:relative;width:430px;max-width:100%;padding:40px;border:1px solid rgba(255,255,255,.75);border-radius:28px;background:rgba(255,255,255,.72);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);box-shadow:0 30px 90px rgba(48,94,65,.13)}.login-logo{width:62px;height:62px;margin:0 auto 18px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary-2),var(--accent));color:#fff;font-size:25px;font-weight:900;box-shadow:0 12px 30px rgba(79,174,120,.22)}.login-title{text-align:center;color:var(--ink);font-size:23px;font-weight:850}.login-sub{text-align:center;color:var(--muted);font-size:13px;margin:5px 0 27px}.login-form .form-group{margin-bottom:16px}.login-form .form-label{color:#52655a}.login-form .form-input{background:rgba(255,255,255,.78);padding:12px 14px}.login-form .btn-primary{width:100%;padding:13px}.login-alert{padding:11px 13px;border-radius:11px;margin-bottom:15px;color:#a94e4e;background:rgba(223,107,107,.09);border:1px solid rgba(223,107,107,.14)}.login-footer{text-align:center;margin-top:23px;color:#9aa79f;font-size:11px}
@media(max-width:1050px){.stats-grid{grid-template-columns:repeat(2,1fr)}.form-row-3{grid-template-columns:1fr 1fr}.admin-content{padding:24px}.page-hero{padding:22px}}
@media(max-width:760px){:root{--sidebar-w:258px}.sidebar{transform:translateX(-100%);box-shadow:20px 0 60px rgba(0,0,0,.12)}.sidebar.show{transform:none}.admin-main{margin-left:0}.admin-header{padding:0 17px}.menu-toggle{display:block}.header-title{font-size:16px}.header-avatar .avatar-name{display:none}.admin-content{padding:17px}.stats-grid{grid-template-columns:1fr 1fr;gap:12px}.stat-card{padding:16px}.stat-value{font-size:24px}.card{padding:17px;border-radius:17px}.form-row,.form-row-3{grid-template-columns:1fr}.page-hero{display:block}.page-hero h1{font-size:21px}}
@media(max-width:460px){.stats-grid{grid-template-columns:1fr}.login-card{padding:30px 22px}}