:root{--ink:#151d2c;--muted:#7c8594;--line:#e5e8ee;--orange:#ff8a16;--bg:#f4f6f9}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 0,rgba(255,151,48,.12),transparent 28%),var(--bg);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}.hidden{display:none!important}.admin-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:34px 0 70px}.brand{display:flex;align-items:center;gap:12px}.brand>span{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#ffac55,var(--orange));color:#fff;font-weight:900}.brand div{display:flex;flex-direction:column}.brand strong{font-size:15px}.brand small{margin-top:4px;color:#9aa1ad;font-size:9px;letter-spacing:.14em}.login-card{width:min(460px,100%);margin:10vh auto 0;padding:38px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 28px 80px rgba(29,39,60,.1)}.eyebrow{margin:32px 0 8px;color:var(--orange);font-size:10px;font-weight:800;letter-spacing:.16em}.login-card h1{margin:0;font-size:40px}.muted{color:var(--muted);line-height:1.7}.login-card form{margin-top:28px;display:grid;gap:17px}label{display:grid;gap:8px;font-size:12px;font-weight:700}input,textarea,select{width:100%;border:1px solid #dfe3ea;border-radius:13px;background:#f8f9fb;padding:13px 14px;color:var(--ink);font:inherit;outline:none}input:focus,textarea:focus{border-color:#ffb36a;box-shadow:0 0 0 4px rgba(255,138,22,.08)}button,.upload-btn{border:0;border-radius:999px;background:var(--orange);color:#fff;padding:12px 18px;font-weight:750;cursor:pointer}button.ghost{background:#eef1f5;color:#566070}.message{min-height:18px;margin:0;color:#e45b43;font-size:12px}.message.success{color:#16865c}.dashboard>header{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.9)}.header-actions{display:flex;align-items:center;gap:10px}.header-actions a{color:#586273;text-decoration:none;font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}.stats article{padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff}.stats small{color:var(--muted)}.stats strong{display:block;margin-top:8px;font-size:30px}.grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:18px}.panel{padding:25px;border:1px solid var(--line);border-radius:24px;background:#fff}.panel-head{display:flex;align-items:center;justify-content:space-between}.panel-head .eyebrow{margin:0 0 7px}.panel h2{margin:0;font-size:24px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:24px}.contact-form .wide{grid-column:1/-1}.contact-form button{justify-self:start}.qr-box{display:grid;grid-template-columns:126px 1fr;gap:18px;align-items:center;margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}.qr-box img{width:126px;height:126px;border:1px solid var(--line);border-radius:16px;object-fit:cover}.qr-box p{color:var(--muted);font-size:12px}.upload-btn{display:inline-flex;margin-top:5px;font-size:12px}.upload-btn input{display:none}.filters{display:flex;gap:8px;margin:22px 0 14px}.filters button{padding:8px 13px;background:#f0f2f6;color:#687181;font-size:12px}.filters button.active{background:var(--ink);color:#fff}.inquiry-list{display:grid;gap:10px;max-height:620px;overflow:auto}.inquiry{padding:17px;border:1px solid var(--line);border-radius:17px;background:#fbfcfd}.inquiry.new{border-color:#ffd2a7;background:#fffaf5}.inquiry-top{display:flex;justify-content:space-between;gap:15px}.inquiry h3{margin:0;font-size:16px}.inquiry time{color:#9ba2ad;font-size:11px}.inquiry-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin:9px 0;color:#667080;font-size:12px}.inquiry-message{margin:10px 0 14px;white-space:pre-wrap;line-height:1.65;font-size:13px}.inquiry-actions{display:flex;gap:7px}.inquiry-actions button{padding:7px 11px;background:#eef1f5;color:#536072;font-size:11px}.inquiry-actions button.done{background:#e5f6ef;color:#167657}.empty{padding:60px 20px;text-align:center;color:#969eaa}@media(max-width:820px){.admin-shell{width:min(100% - 20px,1180px);padding-top:12px}.dashboard>header{align-items:flex-start}.header-actions a{display:none}.grid{grid-template-columns:1fr}.stats{gap:8px}.stats article{padding:15px}.panel{padding:20px}.contact-form{grid-template-columns:1fr}.qr-box{grid-template-columns:92px 1fr}.qr-box img{width:92px;height:92px}}