:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#233a35;background:#f3f6f3;line-height:1.65;font-size:16px;--panel:#fff;--line:#d8e2dc;--soft:#edf4ef;--muted:#5e706a;--accent:#235f4b;--text:#233a35}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}a{color:var(--accent);text-underline-offset:4px}button,input,select,textarea{font:inherit}button{min-height:44px;padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);cursor:pointer;font-weight:600}button:hover{background:var(--soft)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}input,select,textarea{width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--text)}textarea{resize:vertical;min-height:125px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b68a31;outline-offset:3px}label{display:grid;gap:6px;font-size:14px;font-weight:600}form{display:grid;gap:16px}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px max(24px,calc((100% - 1320px)/2));background:var(--panel);border-bottom:1px solid var(--line)}header nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap}header nav a{text-decoration:none;font-size:14px}.brand{text-decoration:none;font-size:23px;font-weight:800;white-space:nowrap}.brand span{font-size:15px;margin-left:8px}main{max-width:1368px;margin:auto;padding:40px 24px 64px;min-height:80vh}h1,h2,h3,p{margin-top:0}h1{font-size:32px;margin-bottom:10px;line-height:1.3}h2{font-size:19px;margin-bottom:10px}h3{font-size:16px}.heading{display:flex;justify-content:space-between;align-items:center;gap:24px}.heading>div{max-width:770px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:700;margin-bottom:12px}.muted{color:var(--muted);font-size:14px}#account{overflow-wrap:anywhere;text-align:right}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px}.login{max-width:440px;padding:28px;margin:24px auto}.login form{margin:24px 0}.toolbar,.actions{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap}.toolbar{margin:24px 0 18px}.toolbar form{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.toolbar input{width:240px}.toolbar select{min-width:150px}.layout{display:grid;grid-template-columns:minmax(300px,360px) minmax(0,1fr);gap:20px;align-items:start}.inbox{overflow:hidden}.list-heading{padding:20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.list-heading h2{margin:0}.ticket{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:18px 20px;font-weight:400}.ticket[aria-current=true]{background:var(--soft);box-shadow:inset 4px 0 var(--accent)}.ticket strong{display:block;font-size:16px;overflow-wrap:anywhere;margin-bottom:9px}.ticket-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.ticket small{display:block;overflow-wrap:anywhere;color:var(--muted);margin-bottom:8px}.badge{display:inline-block;white-space:nowrap;font-size:12px;padding:2px 8px;border-radius:5px;background:var(--soft);color:var(--accent)}.badge.open{background:#fff0d5;color:#805314}.badge.waiting{background:#e5eefc;color:#355780}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;padding:16px;font-size:13px}.pagination button{min-width:44px}.detail{padding:28px;min-height:450px;overflow-wrap:anywhere}.empty{text-align:center;padding:65px 18px}.empty-mark{font-size:38px;color:var(--accent);display:block;margin-bottom:12px}.detail-heading{display:flex;justify-content:space-between;align-items:start;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px}.detail-heading h2{font-size:22px}.detail-heading p{margin-bottom:5px}.thread{display:grid;gap:16px;margin:24px 0}.message{border:1px solid var(--line);padding:18px;border-radius:10px;max-width:94%;background:var(--soft)}.message.staff{margin-left:6%;background:var(--panel);border-left:3px solid var(--accent)}.message-head{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin-bottom:10px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:15px}.event{text-align:center;font-size:12px;color:var(--muted);margin:0}.reply-form{border-top:1px solid var(--line);padding-top:22px}.reply-form .actions{align-items:center}.form-note{font-size:12px;color:var(--muted);margin:0}.detail form h2{margin-bottom:0}#notice{padding:10px 14px;border:1px solid var(--line);border-radius:7px;background:var(--panel);font-size:14px;overflow-wrap:anywhere}#notice:empty{display:none}#notice.error{color:#a33b34;border-color:#d9a19a}footer{max-width:1320px;margin:auto;padding:22px 24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;gap:12px;flex-wrap:wrap}footer span{margin-left:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:10px;z-index:10;background:var(--panel);padding:12px}
body.admin{--panel:#18242e;--line:#33434e;--soft:#223640;--muted:#adbec4;--accent:#90d7be;--text:#e4efec;color:var(--text);background:#101c25;color-scheme:dark}body.admin button.primary{color:#152b24}body.admin .badge.open{background:#4c3d27;color:#f6cd85}body.admin .badge.waiting{background:#283d55;color:#b9d4f8}body.admin #notice.error{color:#ffb6ac}
@media(max-width:850px){header{align-items:start;flex-direction:column;gap:12px}.layout{grid-template-columns:1fr}.inbox #list{max-height:360px;overflow:auto}.heading{align-items:start;flex-direction:column;gap:0}#account{text-align:left}.toolbar input{width:200px}.detail{min-height:300px}.empty{padding:30px 10px}footer span{margin-left:0}}
@media(max-width:480px){main{padding:28px 16px 40px}header{padding:18px 16px}header nav{gap:18px}h1{font-size:27px}.detail{padding:20px}.toolbar form{width:100%}.toolbar form label{flex:1;min-width:120px}.toolbar input{width:100%}.toolbar select{min-width:0}.toolbar .actions{width:100%}.detail-heading{flex-wrap:wrap}.message{max-width:100%;padding:14px}.message.staff{margin-left:0}.message-head{gap:8px;flex-wrap:wrap}}
 .attachments{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}.attachments img,.attachments video{max-width:240px;max-height:180px;border-radius:8px;border:1px solid var(--line)}
.customer-context{background:var(--soft);padding:18px;border:1px solid var(--line);border-radius:8px;margin-top:18px}.customer-context p{margin-bottom:8px}.customer-context h3{margin:16px 0 8px}.customer-context h3:first-child{margin-top:0}.customer-orders{display:grid;gap:8px;max-height:290px;overflow:auto}.customer-orders article{display:grid;gap:4px;padding:10px;background:var(--panel);font-size:13px}.customer-orders span{color:var(--muted)}.media-picker{display:grid;gap:8px;border:1px dashed var(--line);padding:14px;border-radius:8px}.media-selection{padding-left:18px;margin:0;font-size:13px}.media-selection button{padding:4px 10px;margin:4px}.media-progress{font-size:13px;margin:0}.attachments small{width:100%;color:var(--muted);font-size:11px}.attachments img,.attachments video{max-width:min(240px,100%)}