:root{--bg: #f6f8fb;--nav: #111827;--nav-soft: #1f2937;--nav-active: #2563eb;--panel: #ffffff;--panel-soft: #f1f5f9;--text: #111827;--muted: #667085;--line: #e2e8f0;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #b42318;--danger-bg: #fff1f0;--income: #067647;--income-bg: #ecfdf3;--expense: #b54708;--expense-bg: #fffaeb;--shadow: 0 10px 24px rgba(15, 23, 42, .06)}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:var(--bg);color:var(--text);font-family:Microsoft YaHei,PingFang SC,Hiragino Sans GB,Arial,sans-serif}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}button:disabled,input:disabled,textarea:disabled,select:disabled{cursor:not-allowed;opacity:.62}.login-screen{display:grid;min-height:100vh;place-items:center;padding:24px;background:linear-gradient(135deg,#2067d224,#16784c14),var(--bg)}.login-card{width:min(430px,100%);border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow);padding:30px}.login-icon{display:grid;width:56px;height:56px;place-items:center;border-radius:8px;background:#e8f0ff;color:var(--primary)}.login-card h1,.topbar h1,.panel h2,.panel h3{margin:0}.login-card h1{margin-top:18px;font-size:28px}.login-card p,.topbar p,.detail-header p{margin:8px 0 0;color:var(--muted);line-height:1.6}.form{display:grid;gap:14px;margin-top:22px}.form label{display:grid;gap:7px}.form span{color:#344054;font-size:14px;font-weight:700}.form input,.form select,.form textarea,.search-box input{width:100%;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);outline:none;padding:11px 12px}.form textarea{min-height:78px;resize:vertical}.form input:focus,.form select:focus,.form textarea:focus,.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2067d224}.primary-button,.ghost-button,.danger-button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:8px;border-radius:6px;font-weight:800;padding:0 15px;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.primary-button{background:var(--primary);color:#fff}.primary-button:hover{background:var(--primary-hover)}.ghost-button{border:1px solid var(--line);background:#fff;color:var(--text)}.ghost-button:hover{border-color:#cbd5e1;background:#f8fafc}.danger-button{background:var(--danger-bg);color:var(--danger)}.error-line{min-height:20px;color:var(--danger);font-size:14px}.alert-line,.loading-line{margin:0 22px 14px;border-radius:6px;padding:10px 12px}.alert-line{background:var(--danger-bg);color:var(--danger)}.loading-line{background:#e8f0ff;color:var(--primary)}.login-tip{margin-top:18px;border-radius:6px;background:var(--panel-soft);color:var(--muted);font-size:13px;line-height:1.7;padding:10px 12px}.app-frame{display:grid;min-height:100vh;grid-template-columns:248px minmax(0,1fr)}.nav-rail{display:flex;min-height:100vh;flex-direction:column;gap:18px;background:var(--nav);color:#fff;padding:22px 16px}.brand-block{display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.08);padding:2px 4px 20px}.brand-mark{display:grid;width:44px;height:44px;place-items:center;border-radius:10px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 12px 28px #2563eb47;font-weight:900}.brand-block strong,.brand-block span{display:block}.brand-block span{margin-top:4px;color:#9ca3af;font-size:12px}.nav-section-label{color:#94a3b8;font-size:12px;font-weight:800;letter-spacing:0;padding:0 10px}.tab-nav{display:grid;gap:8px}.tab-nav button{display:flex;min-height:44px;align-items:center;gap:10px;border-radius:8px;background:transparent;color:#cbd5e1;padding:0 12px;text-align:left}.tab-nav button:hover,.tab-nav button.active{background:var(--nav-soft);color:#fff}.tab-nav button.active{background:#2563eb29;box-shadow:inset 3px 0 0 var(--nav-active)}.app-content{min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);background:#ffffffeb;padding:20px 26px}.topbar h1{font-size:25px;font-weight:900}.topbar-actions{display:flex;flex-wrap:wrap;gap:10px}.workspace,.users-layout{padding:24px}.users-layout{display:grid;gap:16px}.panel{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow);padding:18px}.panel-title{display:flex;align-items:center;gap:10px;margin-bottom:16px}.panel-title svg{color:var(--primary)}.panel-title h2{font-size:18px}.search-box{display:flex;align-items:center;gap:8px;margin-top:4px;color:var(--muted)}.users-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px}.toolbar-title{margin-bottom:10px;color:#344054;font-size:14px;font-weight:900}.table-filters{display:grid;width:min(760px,100%);grid-template-columns:minmax(220px,1fr) minmax(180px,260px);gap:10px}.table-search{width:100%;margin-top:0}.table-panel{padding:0;overflow:hidden}.table-wrap{position:relative;overflow-x:auto}.mobile-customer-list{display:none}.table-loading{position:absolute;inset:0;z-index:2;display:grid;place-items:center;background:#ffffffb8;color:var(--primary);font-weight:900}.customer-table{width:100%;min-width:860px;border-collapse:collapse;font-size:13px}.customer-table th,.customer-table td{border-bottom:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:middle}.customer-table th{background:#f8fafc;color:#475467;font-weight:800;white-space:nowrap}.customer-table tbody tr:hover,.customer-table tbody tr.selected-row{background:#f8fbff}.customer-table tbody tr:last-child td{border-bottom:0}.customer-table td strong,.customer-table td small{display:block}.customer-table td small{max-width:280px;margin-top:5px;color:var(--muted);overflow-wrap:anywhere}.table-action{display:inline-flex;min-height:34px;align-items:center;gap:6px;border-radius:6px;background:#eff6ff;color:var(--primary);font-weight:800;padding:0 10px;white-space:nowrap}.table-action:hover{background:#dbeafe}.table-actions{display:flex;flex-wrap:wrap;gap:7px}.danger-action{background:var(--danger-bg);color:var(--danger)}.danger-action:hover{background:#ffe4e1}.recharge-action{background:var(--income-bg);color:var(--income)}.recharge-action:hover{background:#d1fadf}.pagination-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);background:#fbfdff;padding:13px 16px}.pagination-bar span{color:var(--muted);font-size:14px}.pagination-bar div{display:flex;gap:8px}.pagination-bar button:disabled{cursor:not-allowed;opacity:.5}.table-empty{min-height:92px}.customer-list{display:grid;gap:10px;margin-top:14px}.customer-card{display:grid;width:100%;gap:8px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);padding:13px;text-align:left}.customer-card.active{border-color:var(--primary);background:#edf4ff}.customer-card strong{font-size:16px}.customer-card span,.customer-card small,.record-row small,.mini-card span,.balance-card span,.stat-card span{color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.stat-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:16px}.stat-icon{display:grid;width:38px;height:38px;place-items:center;border-radius:8px;background:var(--panel-soft);color:var(--primary);margin-bottom:12px}.stat-card strong{display:block;margin-top:8px;font-size:24px}.detail-grid{display:grid;grid-template-columns:minmax(310px,390px) minmax(0,1fr);gap:18px}.detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.balance-card{border-radius:8px;background:#13223a;color:#fff;padding:18px}.balance-card span{color:#ffffffb8}.balance-card strong{display:block;margin-top:8px;font-size:34px}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.mini-card{border:1px solid var(--line);border-radius:8px;padding:12px}.mini-card strong{display:block;margin-top:6px;font-size:18px}.record-form{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.records-panel{min-width:0}.record-list{display:grid;gap:10px}.record-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;border:1px solid var(--line);border-radius:8px;padding:12px}.record-row strong,.record-row small{display:block;overflow-wrap:anywhere}.type-pill{width:44px;border-radius:999px;color:#fff;font-size:13px;font-weight:800;padding:6px 0;text-align:center}.type-pill.recharge{background:var(--income)}.type-pill.consume{background:var(--expense)}.record-row div{display:grid;gap:4px}.income{color:var(--income)}.expense{color:var(--expense)}.empty-state,.empty-detail{display:grid;min-height:120px;place-items:center;border:1px dashed var(--line);color:var(--muted);text-align:center}.modal-backdrop{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:#0f172a7a;padding:18px}.modal-panel{width:min(520px,100%);border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:0 24px 70px #0f172a3d;padding:22px}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding-bottom:16px}.modal-header h2,.modal-header p{margin:0}.modal-header p{margin-top:7px;color:var(--muted);line-height:1.5}.icon-button{display:grid;width:36px;height:36px;flex:0 0 auto;place-items:center;border-radius:6px;background:var(--panel-soft);color:var(--text)}.icon-button:hover{background:#dfe7f1}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.info-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0 0}.info-list div{border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:12px}.info-list .info-full{grid-column:1 / -1}.info-list dt{margin:0 0 6px;color:var(--muted);font-size:13px;font-weight:700}.info-list dd{margin:0;color:var(--text);font-weight:800;overflow-wrap:anywhere}@media(max-width:1180px){.detail-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.app-frame{display:block;padding-bottom:74px}.nav-rail{position:fixed;right:0;bottom:0;left:0;z-index:12;min-height:auto;border-top:1px solid rgba(255,255,255,.08);padding:8px 12px calc(8px + env(safe-area-inset-bottom))}.brand-block,.nav-section-label{display:none}.tab-nav{grid-template-columns:1fr 1fr;gap:10px}.tab-nav button{min-height:52px;justify-content:center;border-radius:10px;font-size:13px}.tab-nav button.active{box-shadow:none}.topbar{position:sticky;top:0;z-index:8;align-items:stretch;flex-direction:column;padding:14px}.topbar h1{font-size:21px}.topbar p{font-size:13px}.topbar-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.topbar-actions .ghost-button{min-height:38px;padding:0 8px;font-size:13px}.workspace,.users-layout{padding:12px}.users-toolbar,.pagination-bar{align-items:stretch;flex-direction:column}.table-filters,.info-list{grid-template-columns:1fr}.users-toolbar .primary-button,.pagination-bar .ghost-button,.pagination-bar div{width:100%}.users-toolbar{gap:12px;padding:14px}.toolbar-title{margin-bottom:9px}.stats-grid,.two-column{grid-template-columns:1fr}.stat-card{padding:14px}.stat-card strong{font-size:22px}.table-wrap{display:none}.mobile-customer-list{display:grid;gap:10px;padding:12px}.mobile-loading{display:grid;min-height:90px;place-items:center;color:var(--primary);font-weight:900}.mobile-empty{min-height:100px}.mobile-customer-card{display:grid;gap:12px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:14px}.mobile-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.mobile-card-head strong,.mobile-card-head span{display:block}.mobile-card-head strong{font-size:16px}.mobile-card-head span{margin-top:5px;color:var(--muted);font-size:13px}.mobile-card-head b{color:var(--primary);white-space:nowrap}.mobile-card-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.mobile-card-meta span{border-radius:8px;background:#f8fafc;color:#475467;font-size:12px;font-weight:800;padding:8px 6px;text-align:center}.mobile-customer-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.mobile-card-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.mobile-card-actions button{min-height:40px;border-radius:8px;background:#eff6ff;color:var(--primary);font-weight:900}.mobile-card-actions button:nth-child(2){background:var(--income-bg);color:var(--income)}.mobile-card-actions button:nth-child(4){background:var(--danger-bg);color:var(--danger)}.pagination-bar{background:#fff}.pagination-bar span{text-align:center}.modal-backdrop{align-items:end;place-items:end center;padding:0}.modal-panel{width:100%;max-height:calc(100vh - 32px);overflow:auto;border-radius:16px 16px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}.modal-actions{display:grid;grid-template-columns:1fr 1fr}.record-row{grid-template-columns:auto 1fr}.record-row b{grid-column:2}}