#pitraV4{--red:#ae2624;--red2:#e52b29;--dark:#1b1d21;--ink:#252b33;--muted:#737d87;font-family:"Segoe UI",Arial,sans-serif;position:relative;z-index:99995}.p4-launch{position:fixed;right:22px;bottom:22px;z-index:99997;height:64px;display:flex;align-items:center;gap:10px;padding:0 16px 0 8px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:linear-gradient(135deg,#303238,#1b1e23 62%,#782320);color:#fff;box-shadow:0 18px 45px rgba(0,0,0,.28);cursor:pointer}.p4-launch>span:last-child{display:grid;text-align:left}.p4-launch b{font-size:14px}.p4-launch small{font-size:10px;color:#cfd4d9}.p4-bot,.p4-mini{position:relative;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ff5d56,var(--red) 48%,#641c1a);box-shadow:0 0 0 3px rgba(229,43,41,.15),0 0 24px rgba(229,43,41,.32)}.p4-bot{width:48px;height:48px}.p4-mini{width:42px;height:42px}.p4-bot:before,.p4-mini:before{content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.65);border-radius:50%;animation:p4spin 5s linear infinite}.p4-bot i,.p4-mini i{width:16px;height:7px;border-radius:8px;background:#fff;box-shadow:0 0 12px #fff}.p4-bot em,.p4-mini em{position:absolute;bottom:5px;font-size:7px;font-style:normal;font-weight:900;color:#fff;letter-spacing:.5px}.p4-panel{position:fixed;right:22px;bottom:98px;z-index:99998;width:min(430px,calc(100vw - 28px));height:min(680px,calc(100vh - 118px));display:none;flex-direction:column;overflow:hidden;border:1px solid #dfe3e7;border-radius:20px;background:#fff;box-shadow:0 28px 75px rgba(10,14,19,.30)}.p4-panel.open{display:flex;animation:p4in .18s ease}.p4-panel header{display:grid;grid-template-columns:42px minmax(0,1fr) auto 34px;gap:9px;align-items:center;padding:12px;background:linear-gradient(135deg,#33363c,#1c1f24);color:#fff}.p4-panel header>div:nth-child(2){display:grid}.p4-panel header b{font-size:15px}.p4-panel header span{display:flex;align-items:center;gap:5px;margin-top:2px;font-size:10px;color:#c9cfd5}.p4-panel header span i{width:7px;height:7px;border-radius:50%;background:#35ce79}.p4-panel header select{height:32px;border:1px solid #555b63;border-radius:8px;background:#25282d;color:#fff;font-size:10px}.p4-panel header button{width:34px;height:34px;border:0;border-radius:8px;background:rgba(255,255,255,.08);color:#fff;font-size:18px;cursor:pointer}.p4-messages{flex:1;min-height:0;overflow:auto;padding:14px;background:radial-gradient(circle at 20% 10%,rgba(174,38,36,.05),transparent 32%),#f5f6f8}.p4-msg{display:flex;margin:0 0 10px}.p4-msg.user{justify-content:flex-end}.p4-msg>div{max-width:84%;padding:10px 12px;border:1px solid #dfe3e7;border-radius:14px 14px 14px 4px;background:#fff;color:#2d3741;font-size:13px;line-height:1.5;box-shadow:0 2px 8px rgba(0,0,0,.03)}.p4-msg.user>div{border-color:#e0c4c2;border-radius:14px 14px 4px 14px;background:#fff0ef}.p4-msg.system>div,.p4-msg.thinking>div{background:#e9ecef;color:#68727c;font-size:11px}.p4-chips{display:flex;gap:6px;overflow:auto;padding:8px 10px;border-top:1px solid #e5e8eb}.p4-chips button{flex:0 0 auto;min-height:31px;padding:0 9px;border:1px solid #e0d5d4;border-radius:999px;background:#fff8f7;color:#7e2926;font-size:9px;font-weight:800;cursor:pointer}.p4-compose{display:grid;grid-template-columns:38px minmax(0,1fr) 66px;gap:7px;align-items:end;padding:9px 10px;border-top:1px solid #e5e8eb}.p4-attach{width:38px;height:42px;display:grid;place-items:center;border:1px solid #d9dee3;border-radius:10px;background:#fff;color:#6d7781;font-size:20px;cursor:pointer}.p4-compose textarea{min-height:42px;max-height:120px;padding:10px 11px;border:1px solid #d8dde2;border-radius:10px;resize:none;outline:none;font:inherit;font-size:12px}.p4-compose button{height:42px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--red2),var(--red));color:#fff;font-size:10px;font-weight:900;cursor:pointer}.p4-foot{padding:0 11px 9px;color:#8a929a;font-size:8px}.p4-image-row{display:flex;justify-content:space-between;gap:8px;padding:6px 11px;background:#f3f4f6;color:#616a73;font-size:9px}.p4-image-row button{border:0;background:none;color:#9f2e2a;cursor:pointer}.p4-welcome{position:fixed;right:22px;bottom:96px;z-index:99996;width:min(330px,calc(100vw - 34px));padding:14px 38px 14px 15px;border:1px solid #ead9d8;border-radius:15px;background:#fff;color:#2c333b;box-shadow:0 16px 45px rgba(0,0,0,.2);cursor:pointer}.p4-welcome b{display:block;font-size:13px}.p4-welcome span{display:block;margin-top:4px;color:#6f7882;font-size:11px;line-height:1.45}.p4-welcome button{position:absolute;right:8px;top:8px;width:25px;height:25px;border:0;border-radius:7px;background:#f1f2f3;color:#737b83;cursor:pointer}@keyframes p4spin{to{transform:rotate(360deg)}}@keyframes p4in{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}@media(max-width:520px){.p4-launch{right:13px;bottom:15px;width:60px;height:60px;padding:6px}.p4-launch>span:last-child{display:none}.p4-panel{right:6px;bottom:82px;width:calc(100vw - 12px);height:calc(100vh - 94px);border-radius:16px}.p4-welcome{right:12px;bottom:86px}.p4-panel header{grid-template-columns:42px minmax(0,1fr) auto 34px}}