.tracking-chat-page{--track-ink:#172231;--track-muted:#667789;--track-line:#d8e1e8;--track-canvas:#eef3f6;--track-brand:#123b63;--track-accent:#d94d38;--track-success:#14735b;margin:0;min-height:100svh;display:grid;grid-template-rows:68px minmax(0,1fr);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;letter-spacing:0;color:var(--track-ink);background:var(--track-canvas)}
.tracking-chat-page *,.tracking-chat *{box-sizing:border-box}.tracking-chat-page a{color:inherit;text-decoration:none}.tracking-chat-page button,.tracking-chat-page textarea,.tracking-chat button,.tracking-chat textarea{font:inherit;letter-spacing:0}
.tracking-chat-topbar{height:68px;display:flex;align-items:center;padding:0 28px;background:#fff;border-bottom:1px solid var(--track-line)}.tracking-chat-brand{display:flex;align-items:center;gap:11px;min-width:0}.tracking-chat-brand>span{width:40px;height:40px;display:grid;place-items:center;border-radius:5px;background:var(--track-brand);color:#fff;font-weight:800}.tracking-chat-brand div{display:grid;gap:2px}.tracking-chat-brand strong{font-size:16px}.tracking-chat-brand small{color:var(--track-muted);font-size:12px}.tracking-auth-button{margin-left:auto;min-height:42px;padding:0 19px;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;background:var(--track-accent);color:#fff!important;font-weight:700}.tracking-auth-button:hover{background:#bd3f2d}
.tracking-chat-main{min-height:0;padding:24px;display:grid;place-items:stretch center}.tracking-chat{--track-ink:#172231;--track-muted:#667789;--track-line:#d8e1e8;--track-brand:#123b63;--track-accent:#d94d38;--track-success:#14735b;width:min(920px,100%);min-height:0;background:#fff;border:1px solid var(--track-line);border-radius:7px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;box-shadow:0 12px 35px rgba(24,45,64,.09);color:var(--track-ink)}
.tracking-chat-header{padding:18px 22px;border-bottom:1px solid var(--track-line);display:flex;align-items:center;gap:12px}.tracking-chat-header>i{width:10px;height:10px;border-radius:50%;background:var(--track-success);box-shadow:0 0 0 4px #e4f3ed;flex:0 0 auto}.tracking-chat-header div{display:grid;gap:3px}.tracking-chat-header h1,.tracking-chat-header h2{margin:0;font-size:18px;letter-spacing:0}.tracking-chat-header span{color:var(--track-muted);font-size:12px}
.tracking-chat-log{min-height:360px;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:15px;background:#f8fafb}.tracking-message{display:flex}.tracking-message.is-user{justify-content:flex-end}.tracking-bubble{max-width:min(760px,90%);padding:13px 15px;border:1px solid var(--track-line);border-radius:6px;background:#fff;line-height:1.7;overflow-wrap:anywhere}.tracking-message.is-user .tracking-bubble{background:var(--track-brand);border-color:var(--track-brand);color:#fff}.tracking-bubble>p{margin:0;white-space:pre-wrap}
.tracking-composer{border-top:1px solid var(--track-line);padding:14px;background:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.tracking-composer textarea{width:100%;min-height:48px;max-height:126px;resize:none;border:1px solid #bfcbd5;border-radius:5px;padding:12px 13px;color:var(--track-ink);background:#fff;line-height:1.55;outline:none}.tracking-composer textarea:focus{border-color:var(--track-brand);box-shadow:0 0 0 3px rgba(18,59,99,.12)}.tracking-composer button{height:48px;min-width:84px;border:0;border-radius:5px;background:var(--track-brand);color:#fff;font-weight:700;cursor:pointer}.tracking-composer button:disabled{opacity:.62;cursor:wait}.tracking-disclaimer{grid-column:1/-1;margin:0;color:var(--track-muted);font-size:11px;line-height:1.5}
.tracking-result-card{margin-top:13px;border:1px solid var(--track-line);border-radius:6px;background:#fff;overflow:hidden}.tracking-result-card>header{padding:12px 14px;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;background:#f2f6f8;border-bottom:1px solid var(--track-line)}.tracking-result-card>header div{display:grid;gap:2px}.tracking-result-card>header strong{font-size:15px}.tracking-result-card>header span{color:var(--track-muted);font-size:12px}.tracking-result-card>header em{font-style:normal;color:var(--track-success);font-size:12px;font-weight:700;text-align:right}.tracking-result-route{padding:14px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px}.tracking-result-route strong:last-child{text-align:right}.tracking-result-route b{color:var(--track-muted)}.tracking-result-card dl{margin:0;padding:0 14px 12px;display:grid;grid-template-columns:1fr 1fr;gap:9px}.tracking-result-card dl div{min-width:0}.tracking-result-card dt{color:var(--track-muted);font-size:11px}.tracking-result-card dd{margin:2px 0 0;overflow-wrap:anywhere}.tracking-latest{margin:0 14px 13px;padding:12px;border-left:3px solid var(--track-success);background:#edf7f3;display:grid;gap:3px}.tracking-latest>strong{font-size:12px}.tracking-latest>span{color:var(--track-muted);font-size:11px}.tracking-latest>p{margin:0}.tracking-result-card details{border-top:1px solid var(--track-line)}.tracking-result-card summary{padding:11px 14px;cursor:pointer;color:var(--track-brand);font-weight:700}.tracking-history{padding:0 14px 14px;display:grid;gap:10px}.tracking-history>div{display:grid;grid-template-columns:12px minmax(0,1fr);gap:9px}.tracking-history i{width:9px;height:9px;margin-top:6px;border-radius:50%;background:var(--track-brand)}.tracking-history>div>div{display:grid;gap:2px}.tracking-history span{color:var(--track-muted);font-size:11px}.tracking-history p{margin:0;font-size:13px}
.tracking-chat.is-portal{width:100%;min-height:520px;box-shadow:none}.tracking-chat.is-portal.is-compact{min-height:430px;margin-bottom:22px}.tracking-chat.is-portal.is-compact .tracking-chat-log{min-height:240px}.tracking-chat.is-portal .tracking-bubble{max-width:96%}
@media(max-width:700px){.tracking-chat-page{grid-template-rows:60px minmax(0,1fr)}.tracking-chat-topbar{height:60px;padding:0 14px}.tracking-chat-brand small{display:none}.tracking-auth-button{min-height:40px;padding:0 14px}.tracking-chat-main{padding:0}.tracking-chat-page .tracking-chat{width:100%;height:calc(100svh - 60px);border:0;border-radius:0;box-shadow:none}.tracking-chat-header{padding:14px 16px}.tracking-chat-log{min-height:0;padding:17px 13px}.tracking-bubble{max-width:94%;padding:11px 12px}.tracking-composer{padding:10px}.tracking-composer button{min-width:68px}.tracking-disclaimer{font-size:10px}.tracking-result-card>header{display:grid}.tracking-result-card>header em{text-align:left}.tracking-result-card dl{grid-template-columns:1fr}.tracking-chat.is-portal,.tracking-chat.is-portal.is-compact{min-height:520px}}