:root{
  --brand1:#f7a86b; --brand2:#ee7c3e; --accent:#ff6a2b; --ink:#222; --muted:#8b8f96;
  --line:#e9eaee; --bg:#f7f8fa; --bubble:#fff;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Roboto,sans-serif;color:var(--ink);background:#eceef2}
body{display:flex;justify-content:center;align-items:stretch}
.app{width:100%;max-width:430px;height:100%;min-height:100%;background:var(--bg);display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:0 10px 40px rgba(20,30,50,.12)}
@media(min-width:431px){.app{height:min(88vh,820px);border-radius:16px;margin:auto}}
.embed .app{max-width:none;border-radius:0;box-shadow:none;height:100%}

/* 头部 */
.hd{position:relative;padding:9px 16px 10px;background:linear-gradient(160deg,var(--brand-l,#f7a86b),var(--brand,#ee7c3e));color:#fff;flex:none}
.hd-row{display:flex;align-items:center;gap:10px}
.hd .ava{width:52px;height:52px;border-radius:50%;border:2px solid rgba(255,255,255,.85);object-fit:cover;background:#fff;flex:none;box-shadow:0 4px 10px rgba(140,60,10,.25)}
.hd .who{min-width:0;flex:1}
.vip{display:inline-flex;align-items:center;gap:3px;background:#2b2b2b;color:#ffd166;font-size:11px;font-weight:700;padding:2px 7px;border-radius:4px;letter-spacing:.4px;vertical-align:middle;margin-right:6px}
.hd .name{font-size:18px;font-weight:700;color:#111;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hd .slogan{margin-top:2px;font-size:13px;color:#111;opacity:.96;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hd .status{display:inline-flex;align-items:center;font-size:11px;margin-top:4px;opacity:.92}
.dot{width:8px;height:8px;border-radius:50%;background:#35d07f;box-shadow:0 0 0 2px rgba(53,208,127,.25)}
.dot.off{background:#bbb;box-shadow:none}
.hd .closex{position:absolute;right:10px;top:8px;border:0;background:transparent;color:#fff;font-size:20px;opacity:.75;cursor:pointer;display:none}
body.embed .hd .closex{display:block}

/* 公告 */
.notice{display:flex;align-items:center;gap:8px;margin:10px 12px 0;padding:7px 10px;border-radius:999px;background:#fdeaea;color:#98312f;font-size:12.5px;line-height:1.35;flex:none}
.notice .nicon{flex:none;font-size:13px;line-height:1}
.notice .tag{border:1px solid rgba(152,49,47,.35);border-radius:999px;padding:1px 8px;font-size:11.5px;flex:none}
.notice .marq{flex:1;min-width:0;overflow:hidden;white-space:nowrap}
.notice .marq-track{display:inline-flex;align-items:center;white-space:nowrap;animation:marqMove var(--marq-dur,22s) linear infinite;will-change:transform}
.notice .marq-track>span{padding-right:60px}
.notice:hover .marq-track{animation-play-state:paused}
@keyframes marqMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.notice .x{border:0;background:transparent;color:#98312f;font-size:16px;line-height:1;cursor:pointer;padding:0 2px;flex:none}

/* 聊天区 */
.chat{flex:1;overflow-y:auto;padding:10px 12px 14px;scroll-behavior:smooth;overscroll-behavior:contain}
.sys{display:flex;justify-content:center;margin:10px 0}
.sys span{background:#dcdde1;color:#5f6368;font-size:12.5px;padding:7px 14px;border-radius:999px;max-width:88%;text-align:center;line-height:1.45}

.card{align-self:center;margin:14px auto 6px;background:#fff;border-radius:14px;padding:16px 22px 14px;text-align:center;box-shadow:0 6px 18px rgba(40,50,70,.07);width:min(240px,78%)}
.card img{width:54px;height:54px;border-radius:50%;border:2px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.12);margin-top:-34px;background:#fff}
.card .n{font-size:15.5px;font-weight:600;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .r{font-size:12.5px;color:var(--muted);margin-top:3px}

.msg{display:flex;gap:8px;margin:12px 0;align-items:flex-start}
.msg .ava{width:34px;height:34px;border-radius:50%;flex:none;object-fit:cover;background:#eee}
.msg .body{max-width:calc(100% - 52px)}
.msg .meta{font-size:12px;color:#9298a1;margin-bottom:5px;display:flex;align-items:center;gap:6px}
.msg .official{background:linear-gradient(180deg,#ffa95c,#ff7a33);color:#fff;font-size:11px;padding:1px 6px;border-radius:4px;flex:none}
.bubble{background:var(--bubble);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14.5px;line-height:1.62;word-break:break-word;white-space:pre-wrap;box-shadow:0 1px 2px rgba(20,30,50,.04)}
.bubble img{max-width:190px;border-radius:8px;display:block;cursor:zoom-in}
.bubble video{max-width:220px;max-height:260px;border-radius:8px;display:block;background:#000}
.msg.me{flex-direction:row-reverse}
.msg.me .body{display:flex;flex-direction:column;align-items:flex-end}
.msg.me .bubble{background:var(--bubble);color:var(--ink);border-color:var(--line)}
.msg.me .ava{display:none}
.msg .state{font-size:11px;color:#a1a6ad;margin-top:4px;text-align:right}
.msg .state.read{color:#39a06a}
.recalled{display:flex;justify-content:center;margin:12px 0}
.recalled span{background:#eceef2;color:#9aa0a8;font-size:12px;padding:6px 12px;border-radius:999px}
.pending{opacity:.6}
.time-sep{display:flex;justify-content:center;margin:14px 0 6px}
.time-sep span{font-size:11.5px;color:#a8adb5;background:rgba(0,0,0,.03);padding:2px 8px;border-radius:6px}

/* 输入区 */
.composer{flex:none;background:#fff;border-top:1px solid #eceef2;padding:8px 12px 6px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
.crow{display:flex;align-items:flex-end;gap:8px}
.crow textarea{flex:1;border:0;outline:0;resize:none;font-size:14.5px;line-height:1.5;max-height:96px;min-height:38px;padding:9px 4px;background:transparent;font-family:inherit;color:#222}
.crow textarea::placeholder{color:#b8bcc3}
.send{border:0;background:#f3f4f6;color:#a0a5ac;font-size:14px;padding:9px 16px;border-radius:8px;flex:none;cursor:pointer;transition:.15s}
.send.on{background:linear-gradient(180deg,#ffa05c,#ff7a33);color:#fff;box-shadow:0 2px 8px rgba(255,122,51,.35)}
.tools{display:flex;align-items:center;gap:14px;padding:6px 2px 2px}
.tools button{border:0;background:transparent;padding:0;cursor:pointer;font-size:19px;color:#8a9099;line-height:1;display:flex;align-items:center}
.tools button svg{display:block}
.tools button:hover{color:#5f646b}
.tools .brand{margin-left:auto;font-weight:800;font-size:15px;color:#111;font-style:italic;letter-spacing:.5px}
.emoji-bar{display:none;flex-wrap:wrap;gap:4px;padding:8px 2px;border-top:1px dashed #eee}
.emoji-bar.on{display:flex}
.emoji-bar button{font-size:19px;background:#f6f7f9;border:0;border-radius:8px;width:36px;height:34px;cursor:pointer}

/* 表单弹层 */
.layer{position:absolute;inset:0;background:rgba(15,18,25,.45);display:none;align-items:flex-end;z-index:9}
.layer.on{display:flex}
.sheet{background:#fff;width:100%;border-radius:16px 16px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));max-height:88%;overflow:auto}
.sheet h3{margin:0 0 4px;font-size:16px}
.sheet p.tip{margin:0 0 14px;font-size:12.5px;color:#8b9097;line-height:1.5}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:#4a4f57;margin-bottom:6px}
.field label b{color:#e34a4a;font-weight:400;margin-left:2px}
.field input,.field textarea{width:100%;border:1px solid #e3e5ea;border-radius:9px;padding:10px 11px;font-size:14px;font-family:inherit;outline:0;background:#fafbfc}
.field textarea{min-height:72px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:#ff9a55;background:#fff}
.sheet .ok{width:100%;border:0;border-radius:10px;padding:12px;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(180deg,#ffa05c,#ff7a33);cursor:pointer}
.sheet .err{color:#e34a4a;font-size:12.5px;min-height:16px;margin:6px 0 8px}

.toast{position:absolute;left:50%;bottom:96px;transform:translateX(-50%);background:rgba(0,0,0,.78);color:#fff;font-size:13px;padding:8px 14px;border-radius:8px;opacity:0;pointer-events:none;transition:.2s;z-index:20;max-width:80%;text-align:center}
.toast.on{opacity:1}
.empty{display:flex;flex-direction:column;align-items:center;gap:8px;color:#b3b8c0;font-size:12.5px;padding:26px 0}

.intro{display:flex;flex-direction:column;align-items:center;flex:none}
.intro .card{margin-top:16px}
.team{display:flex;gap:14px;margin-top:12px}
.team .t{text-align:center;font-size:11px;color:#9aa0a8;max-width:56px}
.team img{width:30px;height:30px;border-radius:50%;border:1px solid #eee;display:block;margin:0 auto 3px;object-fit:cover}
.team img.off{filter:grayscale(1);opacity:.7}
.team .t div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}