:root{--chat-red:#9b392f;--chat-dark:#75271f;--chat-paper:#fffaf5;--chat-ink:#302723;--chat-muted:#756a64;--chat-line:#eadbd2}.chat-launcher{position:fixed;right:24px;bottom:24px;z-index:999;width:62px;height:62px;border:0;border-radius:50%;background:linear-gradient(145deg,var(--chat-red),var(--chat-dark));color:#fff;box-shadow:0 15px 40px rgba(92,38,30,.3);font-size:25px;transition:.25s;cursor:pointer}.chat-launcher:hover,.chat-launcher:focus-visible{transform:translateY(-3px);outline:3px solid rgba(155,57,47,.2);outline-offset:3px}.chat-badge{position:absolute;right:-3px;top:-5px;min-width:22px;height:22px;padding:0 6px;display:none;place-items:center;border:2px solid #fff;border-radius:20px;background:#d54b3e;color:#fff;font:700 11px/1 sans-serif}.chat-panel{position:fixed;right:24px;bottom:98px;z-index:998;width:min(390px,calc(100vw - 32px));height:min(610px,calc(100vh - 130px));display:grid;grid-template-rows:auto auto 1fr auto;overflow:hidden;border:1px solid rgba(139,94,69,.18);border-radius:25px;background:var(--chat-paper);box-shadow:0 28px 80px rgba(63,36,27,.25);opacity:0;visibility:hidden;transform:translateY(18px) scale(.97);transform-origin:bottom right;transition:opacity .22s,transform .22s,visibility .22s}.chat-panel.open{opacity:1;visibility:visible;transform:none}.chat-panel.minimized{height:auto;grid-template-rows:auto}.chat-panel.minimized .chat-net,.chat-panel.minimized .chat-messages,.chat-panel.minimized .chat-compose{display:none}.chat-header{display:flex;align-items:center;gap:12px;padding:17px 18px;background:linear-gradient(135deg,var(--chat-red),var(--chat-dark));color:#fff}.chat-avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.16);font-size:20px}.chat-agent{flex:1}.chat-agent strong{display:block;font-size:16px}.chat-agent span{font-size:12px;opacity:.85}.chat-actions{display:flex;gap:3px}.chat-icon{width:34px;height:34px;border:0;border-radius:50%;background:transparent;color:#fff;font-size:18px;cursor:pointer}.chat-icon:hover,.chat-icon:focus-visible{background:rgba(255,255,255,.13);outline:2px solid rgba(255,255,255,.5)}.chat-net{min-height:30px;padding:6px 14px;text-align:center;background:#f6e9e1;color:var(--chat-muted);font-size:12px}.chat-net.error{background:#fff0ed;color:#a3342b}.chat-messages{overflow-y:auto;padding:18px;scroll-behavior:smooth}.chat-empty{height:100%;min-height:180px;display:grid;place-items:center;text-align:center;color:var(--chat-muted);padding:25px}.chat-empty b{display:block;color:var(--chat-red);font-size:18px;margin-bottom:6px}.chat-message{max-width:82%;margin:10px 0;animation:chat-in .23s ease both}.chat-bubble{padding:11px 14px;border:1px solid var(--chat-line);border-radius:18px 18px 18px 5px;background:#fff;color:var(--chat-ink);white-space:pre-wrap;overflow-wrap:anywhere}.chat-message.user{margin-left:auto}.chat-message.user .chat-bubble{border-color:var(--chat-red);border-radius:18px 18px 5px 18px;background:var(--chat-red);color:#fff}.chat-meta{display:flex;gap:7px;margin-top:3px;color:var(--chat-muted);font-size:10px}.chat-message.user .chat-meta{justify-content:flex-end}.chat-status.failed{color:#b32c24}.chat-compose{padding:12px;border-top:1px solid var(--chat-line);background:#fff}.chat-compose-row{display:flex;align-items:flex-end;gap:8px}.chat-input{flex:1;min-height:42px;max-height:110px;resize:none;border:1px solid var(--chat-line);border-radius:15px;padding:10px 12px;color:var(--chat-ink);background:#fff}.chat-input:focus{border-color:var(--chat-red);outline:3px solid rgba(155,57,47,.1)}.chat-send{height:42px;padding:0 17px;border:0;border-radius:14px;background:var(--chat-red);color:#fff;font-weight:700;cursor:pointer}.chat-send:disabled{cursor:not-allowed;opacity:.55}.chat-hint{margin:5px 3px 0;color:var(--chat-muted);font-size:10px}@keyframes chat-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}@media(max-width:600px){.chat-launcher{right:16px;bottom:16px}.chat-panel{inset:0;width:100%;height:100%;max-height:none;border:0;border-radius:0;transform:translateY(100%)}.chat-panel.open{transform:none}.chat-panel.minimized{inset:auto 12px 86px 12px;width:auto;border-radius:20px}.chat-header{padding-top:max(17px,env(safe-area-inset-top))}.chat-compose{padding-bottom:max(12px,env(safe-area-inset-bottom))}}@media(prefers-reduced-motion:reduce){.chat-panel,.chat-message,.chat-launcher{animation:none;transition:none}}

/* 客服入口与上下分区强化 */
.chat-launcher{width:auto;min-width:164px;height:64px;padding:0 22px 0 17px;display:flex;align-items:center;gap:11px;border-radius:999px;text-align:left}
.chat-launcher-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;background:rgba(255,255,255,.16);font-size:20px}
.chat-launcher-copy{display:flex;flex-direction:column;line-height:1.15}
.chat-launcher-copy small{margin-bottom:4px;font-size:11px;font-weight:500;letter-spacing:.08em;opacity:.78}
.chat-launcher-copy b{font-size:17px;letter-spacing:.06em}
.chat-panel{width:min(420px,calc(100vw - 32px));height:min(650px,calc(100vh - 130px));grid-template-rows:auto auto minmax(0,1fr) auto}
.chat-panel.minimized .chat-output{display:none}
.chat-output{min-height:0;margin:12px 12px 0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;border:1px solid var(--chat-line);border-radius:17px;background:rgba(255,255,255,.7)}
.chat-zone-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 13px;border-bottom:1px solid var(--chat-line);background:#fbf2eb;color:var(--chat-muted)}
.chat-zone-title b{color:var(--chat-ink);font-size:14px}
.chat-zone-title span{font-size:11px}
.chat-messages{min-height:0;padding:15px}
.chat-compose{margin:10px 12px 12px;padding:0 12px 10px;overflow:hidden;border:1px solid var(--chat-line);border-radius:17px;background:#fff}
.chat-reply-title{margin:0 -12px 10px}
@media(max-width:600px){.chat-launcher{min-width:154px;height:60px;padding:0 18px 0 14px}.chat-launcher-copy b{font-size:16px}.chat-panel{width:100%;height:100%}.chat-output{margin-top:10px}.chat-compose{margin-bottom:max(10px,env(safe-area-inset-bottom))}}