.float-btns{position:fixed;right:20px;bottom:100px;display:flex;flex-direction:column;gap:12px;z-index:999}.float-btn{width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all 0.3s;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.chat-btn{background:linear-gradient(135deg,#ff5a1f,#ff8a3d);color:#fff}.chat-btn:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(255,90,31,0.4)}.top-btn{background:#fff;color:#ff5a1f;border:1px solid #ffe0d0;opacity:0;visibility:hidden}.top-btn.show{opacity:1;visibility:visible}.top-btn:hover{background:#fff5f0;transform:translateY(-3px)}.chat-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:10000;display:none;align-items:center;justify-content:center;padding:15px}.chat-modal-overlay.show{display:flex}.chat-modal{background:#fff;border-radius:12px;width:100%;max-width:480px;overflow:hidden;display:flex;flex-direction:column;animation:chatSlideUp 0.3s;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC',sans-serif}@keyframes chatSlideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-modal-header{background:linear-gradient(135deg,#ff5a1f,#ff8a3d);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;font-size:18px;font-weight:600;flex-shrink:0}.chat-modal-close{background:rgba(255,255,255,0.2);border:none;color:#fff;width:28px;height:28px;border-radius:50%;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}.chat-modal-close:hover{background:rgba(255,255,255,0.3)}.chat-modal-body{padding:16px;overflow-y:hidden;flex:1}.chat-welcome{text-align:center;margin-bottom:12px}.chat-welcome h3{color:#ff5a1f;font-size:18px;margin-bottom:6px;font-weight:700}.chat-vx{color:#ff5a1f;font-size:16px;font-weight:600;margin-bottom:6px}.chat-intro{color:#333;font-size:15px;line-height:1.5;margin:0}.chat-services{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.chat-service-item{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid #ffe0d0;border-radius:8px;background:#fffaf8;min-height:56px}.chat-service-item .service-icon{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}.chat-service-item .service-icon.a{background:#ff5a1f}.chat-service-item .service-icon.b{background:#ff8a3d}.chat-service-item .service-icon.c{background:#ffb366}.chat-service-item .service-icon.d{background:#ffd699;color:#333}.service-info{flex:1;min-width:0}.service-info strong{display:block;font-size:15px;color:#222;white-space:nowrap;font-weight:600}.service-info span{font-size:12px;color:#666;white-space:nowrap}.chat-tips{background:#fff5f0;border:1px dashed #ffcdb8;border-radius:8px;padding:12px;margin-bottom:12px;text-align:center}.tips-title{color:#ff5a1f;font-size:15px;font-weight:700;margin-bottom:4px}.tips-desc{color:#444;font-size:13px;line-height:1.5;margin:0}.tips-desc a{color:#ff5a1f;font-weight:600}.chat-human-btn{display:block;background:linear-gradient(135deg,#ff5a1f,#ff8a3d);color:#fff;text-align:center;padding:14px;border-radius:24px;font-size:16px;font-weight:600;text-decoration:none;margin-bottom:12px}.chat-human-btn:hover{opacity:0.9;color:#fff}.chat-field-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid #ffe0d0;border-radius:8px;background:#fffaf8;margin-bottom:10px;transition:all 0.2s}.chat-field-item:hover{border-color:#ff5a1f}.chat-field-item .field-icon{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#ff5a1f,#ff8a3d);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;flex-shrink:0}.chat-field-item .field-info{flex:1;display:flex;align-items:center;gap:12px}.chat-field-item .field-info label{font-size:15px;font-weight:600;color:#222;white-space:nowrap;flex-shrink:0;min-width:55px}.chat-field-item .field-info label .required{color:#ff5a1f}.chat-field-item .field-info input,.chat-field-item .field-info textarea{flex:1;padding:8px 0;border:none;background:transparent;font-size:15px;font-family:inherit;outline:none;color:#333}.chat-field-item .field-info input::placeholder,.chat-field-item .field-info textarea::placeholder{color:#999;font-family:inherit}.chat-field-item .field-info .field-hint{display:none}.chat-field-item.textarea-item .field-info{flex-direction:column;align-items:flex-start;gap:6px}.chat-field-item .field-info textarea{width:100%;min-height:40px;resize:none}.chat-reply-time{text-align:center;color:#666;font-size:13px;margin-bottom:10px}.chat-reply-time i{color:#4ade80}.chat-submit-btn{width:100%;background:linear-gradient(135deg,#ff5a1f,#ff8a3d);color:#fff;border:none;padding:14px;border-radius:24px;font-size:16px;font-weight:600;cursor:pointer;font-family:inherit;margin:0}.chat-submit-btn:hover{opacity:0.9}.chat-submit-btn:disabled{opacity:0.6;cursor:not-allowed}.chat-modal .form-message{padding:12px 15px;border-radius:8px;margin-bottom:12px;display:none;text-align:center;font-size:14px}.chat-modal .form-message.success{background:#d1fae5;color:#065f46;display:block}.chat-modal .form-message.error{background:#fee2e2;color:#991b1b;display:block}.chat-modal .form-message i{margin-right:6px}@media (max-width:768px){.float-btns{right:12px;bottom:90px}.float-btn{width:44px;height:44px;font-size:18px}.chat-modal-overlay{align-items:flex-end;padding:0}.chat-modal{max-width:100%;border-radius:12px 12px 0 0;max-height:none;overflow:visible}.chat-modal-header{font-size:14px;padding:6px 14px}.chat-modal-body{padding:8px 12px 12px;overflow:visible;max-height:none}.chat-welcome{margin-bottom:6px}.chat-welcome h3{font-size:14px;margin-bottom:1px}.chat-vx{font-size:12px;margin-bottom:1px}.chat-intro{font-size:11px;line-height:1.3}.chat-services{display:none}.chat-tips{padding:5px 8px;margin-bottom:6px}.tips-title{font-size:11px;margin-bottom:1px}.tips-desc{font-size:10px;line-height:1.2}.chat-human-btn{padding:6px;margin-bottom:6px;font-size:12px;border-radius:16px}.chat-field-item{padding:5px 8px;margin-bottom:5px;gap:6px}.chat-field-item .field-icon{width:22px;height:22px;font-size:10px}.chat-field-item .field-info{gap:6px}.chat-field-item .field-info label{font-size:11px;min-width:40px}.chat-field-item .field-info input{font-size:12px;padding:3px 0}.chat-field-item .field-info textarea{font-size:12px;min-height:24px}.chat-field-item.textarea-item .field-info{gap:3px}.chat-reply-time{font-size:10px;margin-bottom:5px}.chat-submit-btn{font-size:13px;padding:8px;border-radius:16px}}