:root{--primary:#2563eb;--primary-dark:#1d4ed8;--violet:#7c3aed;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--soft:#f8fafc;--card:#fff;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--shadow:0 18px 50px rgba(15,23,42,.10)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#f8fafc}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}a{text-decoration:none;color:inherit}.hidden{display:none!important}.muted{color:var(--muted)}
.public-shell{min-height:100vh;background:linear-gradient(145deg,#1d4ed8 0,#7c3aed 34%,#eef2ff 34%,#f8fafc 100%);padding-bottom:76px}.public-nav{max-width:1160px;margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;color:#fff}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em}.brand-mark{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:20px}.nav-link{padding:9px 14px;border-radius:12px;background:rgba(255,255,255,.14);font-size:13px}.hero{max-width:1160px;margin:0 auto;padding:42px 24px 58px;color:#fff}.hero h1{margin:0;max-width:650px;font-size:clamp(32px,5vw,58px);line-height:1.08;letter-spacing:-.04em}.hero p{max-width:640px;margin:20px 0 0;color:rgba(255,255,255,.82);font-size:17px;line-height:1.8}.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.chip{padding:7px 12px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.13);font-size:13px}.content-wrap{max-width:1160px;margin:-20px auto 0;padding:0 24px}.toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px}.search-box{flex:1;max-width:380px;position:relative}.search-box input{width:100%;height:46px;padding:0 16px;border:1px solid rgba(255,255,255,.8);border-radius:14px;background:rgba(255,255,255,.9);outline:0}.package-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.package-card{display:flex;flex-direction:column;min-height:310px;padding:24px;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:rgba(255,255,255,.92);box-shadow:var(--shadow);backdrop-filter:blur(12px);transition:transform .2s ease,box-shadow .2s ease}.package-card:hover{transform:translateY(-4px);box-shadow:0 24px 60px rgba(37,99,235,.18)}.package-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.package-name{font-size:18px;font-weight:750;line-height:1.4}.package-tag{padding:4px 9px;border-radius:999px;background:#eff6ff;color:var(--primary);font-size:11px;white-space:nowrap}.package-subtitle{margin-top:6px;color:var(--muted);font-size:13px}.price-row{display:flex;align-items:baseline;gap:8px;margin-top:18px}.price{font-size:34px;font-weight:800;color:var(--primary);letter-spacing:-.04em}.price-unit{color:var(--muted);font-size:12px}.old-price{color:#94a3b8;font-size:13px;text-decoration:line-through}.benefits{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}.benefit{padding:5px 8px;border-radius:8px;background:#f8fafc;color:#475569;font-size:12px}.package-desc{margin-top:13px;color:var(--muted);font-size:13px;line-height:1.65}.card-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:20px}.install-fee{color:var(--muted);font-size:12px}.primary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--violet));font-weight:700;box-shadow:0 10px 22px rgba(37,99,235,.22)}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:12px;color:var(--primary);background:#eff6ff;font-weight:700}.float-consult{position:fixed;right:24px;bottom:24px;z-index:10;display:flex;align-items:center;gap:8px;padding:13px 17px;border-radius:999px;color:#fff;background:#0f172a;box-shadow:0 14px 30px rgba(15,23,42,.24)}.empty-state{grid-column:1/-1;padding:70px 20px;text-align:center;color:var(--muted);background:#fff;border-radius:20px}.modal-backdrop{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:18px;background:rgba(15,23,42,.55)}.modal{width:min(560px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:26px;border-radius:22px;background:#fff;box-shadow:0 30px 80px rgba(15,23,42,.25)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.modal-title{font-size:20px;font-weight:800}.close-btn{width:34px;height:34px;border-radius:10px;background:#f1f5f9;color:#64748b}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field-wrap{display:flex;flex-direction:column;gap:6px}.field-wrap.full{grid-column:1/-1}.field-wrap label{font-size:13px;font-weight:650;color:#334155}.field,.field-wrap textarea,.field-wrap select{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;outline:0;background:#f8fafc;color:var(--ink)}.field:focus,.field-wrap textarea:focus,.field-wrap select:focus{border-color:#93c5fd;box-shadow:0 0 0 3px rgba(37,99,235,.12)}.field-wrap textarea{min-height:78px;resize:vertical}.addon-list{display:flex;flex-wrap:wrap;gap:9px}.addon-toggle{padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#475569}.addon-toggle.selected{border-color:var(--primary);background:#eff6ff;color:var(--primary);font-weight:700}.form-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:20px}.notice{padding:11px 13px;border-radius:11px;background:#fffbeb;color:#92400e;font-size:13px}.success-block{text-align:center;padding:20px 8px}.success-icon{width:70px;height:70px;margin:0 auto 16px;display:grid;place-items:center;border-radius:50%;background:#f0fdf4;color:var(--success);font-size:34px}.success-block h3{margin:0;font-size:23px}.success-block p{color:var(--muted);line-height:1.7}.order-no{display:inline-block;padding:10px 14px;border-radius:10px;background:#f8fafc;color:#334155;font-weight:800;letter-spacing:.06em}
/* admin */
.admin-shell{min-height:100vh;display:flex;background:#f1f5f9}.sidebar{width:250px;flex:0 0 250px;display:flex;flex-direction:column;background:#0f172a;color:#cbd5e1}.sidebar-brand{padding:22px 20px;display:flex;align-items:center;gap:10px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand .brand-mark{background:#2563eb}.sidebar-nav{padding:18px 12px;display:flex;flex-direction:column;gap:4px}.nav-section{margin:14px 10px 5px;color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.12em}.side-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:#94a3b8;font-size:14px}.side-link:hover,.side-link.active{color:#fff;background:rgba(59,130,246,.22)}.sidebar-footer{margin-top:auto;padding:16px;color:#64748b;font-size:12px;border-top:1px solid rgba(255,255,255,.08)}.admin-main{min-width:0;flex:1}.admin-topbar{height:72px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.page-heading h1{margin:0;font-size:22px}.page-heading p{margin:3px 0 0;color:var(--muted);font-size:12px}.top-user{display:flex;align-items:center;gap:12px}.avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#dbeafe;color:#1d4ed8;font-weight:800}.logout-btn{padding:8px 12px;border-radius:9px;background:#f1f5f9;color:#475569}.admin-content{padding:28px 30px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat-card{padding:19px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.04)}.stat-label{color:var(--muted);font-size:13px}.stat-value{margin-top:9px;font-size:28px;font-weight:800}.stat-foot{margin-top:8px;color:#64748b;font-size:12px}.admin-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:18px;margin-top:18px}.panel{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.panel-head{padding:17px 19px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-title{font-weight:800}.panel-body{padding:18px}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:650px}.data-table th,.data-table td{padding:13px 15px;text-align:left;border-bottom:1px solid #f1f5f9;font-size:13px;white-space:nowrap}.data-table th{color:#64748b;font-size:12px;font-weight:700;background:#f8fafc}.data-table tr:last-child td{border-bottom:0}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#f1f5f9;color:#475569}.badge.blue{background:#dbeafe;color:#1d4ed8}.badge.green{background:#dcfce7;color:#15803d}.badge.orange{background:#ffedd5;color:#c2410c}.badge.red{background:#fee2e2;color:#b91c1c}.badge.gray{background:#f1f5f9;color:#64748b}.toolbar-admin{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.toolbar-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.small-btn{min-height:36px;padding:0 12px;border-radius:9px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:700}.small-btn.dark{background:#0f172a;color:#fff}.small-btn.green{background:#dcfce7;color:#15803d}.small-btn.red{background:#fee2e2;color:#b91c1c}.filter-select,.filter-input{height:38px;padding:0 11px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#334155;outline:0}.tree{display:flex;flex-direction:column;gap:9px}.tree-node{padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff}.tree-node.level-1{margin-left:0}.tree-node.level-2{margin-left:24px}.tree-node.level-3{margin-left:48px}.tree-node-main{display:flex;align-items:center;justify-content:space-between;gap:10px}.tree-name{font-weight:750}.tree-meta{margin-top:5px;color:var(--muted);font-size:12px}.split-bar{height:7px;margin-top:10px;border-radius:999px;background:#e2e8f0;overflow:hidden}.split-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2563eb,#7c3aed)}.login-screen{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#1e40af,#7c3aed 52%,#f8fafc 52%)}.login-card{width:min(420px,100%);padding:32px;border-radius:22px;background:#fff;box-shadow:0 30px 90px rgba(15,23,42,.25)}.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:25px}.login-card h1{margin:0;font-size:25px}.login-card p{margin:6px 0 25px;color:var(--muted);font-size:13px}.login-form{display:flex;flex-direction:column;gap:13px}.login-form label{font-size:13px;font-weight:700;color:#334155}.login-form input{height:46px;width:100%;margin-top:6px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#f8fafc;outline:0}.login-tip{margin-top:17px;padding:11px 12px;border-radius:10px;background:#eff6ff;color:#1d4ed8;font-size:12px;line-height:1.7}.qr-box{display:flex;align-items:center;gap:22px;padding:18px;border-radius:14px;background:#f8fafc}.qr-box img{width:180px;height:180px;background:#fff}.code-block{padding:10px;border-radius:9px;background:#fff;border:1px solid var(--line);word-break:break-all;font-size:12px;color:#334155}.role-permissions{display:flex;flex-wrap:wrap;gap:7px}.permission-chip{padding:5px 8px;border-radius:7px;background:#f1f5f9;color:#475569;font-size:11px}
@media (max-width:980px){.package-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-grid{grid-template-columns:1fr}.sidebar{width:220px;flex-basis:220px}}
@media (max-width:720px){.sidebar{display:none}.admin-topbar{padding:0 18px}.admin-content{padding:20px 16px}.top-user .user-role{display:none}.package-grid{grid-template-columns:1fr}.hero{padding:28px 18px 48px}.content-wrap{padding:0 16px}.public-nav{padding:16px 18px}.toolbar{align-items:stretch;flex-direction:column}.search-box{max-width:none}.form-grid{grid-template-columns:1fr}.field-wrap.full{grid-column:auto}.modal{padding:20px}.float-consult{right:16px;bottom:16px}.stat-grid{gap:10px}.stat-card{padding:14px}.stat-value{font-size:22px}}

/* Guangzhou-only reservation form: fixed location, mobile validation */
.locked-location{min-height:44px;display:flex;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#f1f5f9;color:#475569;font-weight:650}
.field-error{display:block;min-height:0;color:#dc2626;font-size:12px;line-height:1.5}
.field.is-invalid{border-color:#dc2626;box-shadow:0 0 0 2px rgba(220,38,38,.08)}