#kch-root,#kch-root *{box-sizing:border-box}
.kch-float-stack{position:fixed;right:22px;bottom:238px;z-index:9980;display:flex;flex-direction:column;gap:12px;align-items:flex-end;font-family:Arial,Helvetica,sans-serif}
.kch-circle,.kch-back-top{position:relative;display:grid;place-items:center;width:58px;height:58px;padding:0;border:0;border-radius:50%;color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.16);cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.kch-circle:hover,.kch-circle:focus-visible,.kch-back-top:hover,.kch-back-top:focus-visible{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 15px 34px rgba(0,0,0,.22)}
.kch-circle:focus-visible,.kch-back-top:focus-visible,.kch-message-bar:focus-visible,.kch-footer-social a:focus-visible,.kch-modal__close:focus-visible{outline:3px solid #ff6633;outline-offset:3px}
.kch-circle svg,.kch-back-top svg{width:28px;height:28px;fill:currentColor;stroke:currentColor}
.kch-circle--wa{background:#25d366}
.kch-circle--wechat{background:#07c160}
.kch-circle--message{background:#ff8a00}
.kch-hover-label{position:absolute;right:68px;padding:9px 11px;border-radius:8px;background:#061a3d;color:#fff;font:700 12px/1 Arial,sans-serif;white-space:nowrap;opacity:0;transform:translateX(5px);pointer-events:none;transition:opacity .16s ease,transform .16s ease}
.kch-circle:hover .kch-hover-label,.kch-circle:focus-visible .kch-hover-label{opacity:1;transform:none}
.kch-back-top{position:fixed;right:24px;bottom:110px;z-index:9980;width:48px;height:48px;background:#343434;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease,background .18s ease}
.kch-back-top.is-visible{opacity:1;visibility:visible;transform:none}
.kch-back-top:hover{background:#061a3d}
.kch-back-top svg{width:22px;height:22px}
.kch-message-bar{position:fixed;right:22px;bottom:26px;z-index:9979;display:flex;align-items:center;gap:13px;min-height:64px;padding:0 24px;border-radius:8px;background:#ff8a00;color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.16);font:700 17px/1 Arial,Helvetica,sans-serif;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.kch-message-bar:hover{transform:translateY(-2px);filter:brightness(1.03);box-shadow:0 16px 34px rgba(0,0,0,.22);color:#fff}
.kch-message-bar svg{width:22px;height:22px;fill:none;stroke:currentColor;flex:0 0 22px}
.kch-modal[hidden]{display:none}.kch-modal{position:fixed;inset:0;z-index:10050;display:grid;place-items:center;padding:22px;font-family:Arial,Helvetica,sans-serif}
.kch-modal__backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(3,18,44,.72);backdrop-filter:blur(4px);cursor:pointer}
.kch-modal__card{position:relative;z-index:1;width:min(390px,100%);padding:30px;border-radius:26px;background:#fff;color:#061a3d;box-shadow:0 24px 80px rgba(0,0,0,.34);text-align:center}
.kch-modal__close{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:50%;background:#f2efe8;color:#061a3d;font:400 26px/1 Arial,sans-serif;cursor:pointer}
.kch-modal__eyebrow{margin:0 0 9px;color:#ff6633;font:700 11px/1.2 Arial,sans-serif;letter-spacing:.16em}.kch-modal h2{margin:0 0 18px;font:500 25px/1.15 Arial,sans-serif;letter-spacing:-.03em}
.kch-modal img{display:block;width:min(100%,310px);height:auto;margin:0 auto;border-radius:18px;background:#fff}
.kch-footer-social{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:30px 0 0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.65);font-family:Arial,Helvetica,sans-serif}
.kch-footer-social>span{color:#ff6633;font-size:10px;font-weight:700;letter-spacing:.15em}.kch-footer-social>div{display:flex;flex-wrap:wrap;gap:9px}
.kch-footer-social a{display:grid;place-items:center;width:38px;height:38px;border:1px solid rgba(255,255,255,.22);border-radius:50%;color:#fff;text-decoration:none;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}
.kch-footer-social a:hover{border-color:#ff6633;background:#ff6633;color:#061a3d;transform:translateY(-2px)}
.kch-footer-social svg{width:18px;height:18px;fill:currentColor;stroke:currentColor}
@media(max-width:767px){.kch-float-stack{right:12px;bottom:174px;gap:8px}.kch-circle{width:48px;height:48px}.kch-circle svg{width:23px;height:23px}.kch-hover-label{display:none}.kch-back-top{right:14px;bottom:82px;width:44px;height:44px}.kch-message-bar{right:12px;bottom:18px;min-height:52px;padding:0 17px;border-radius:7px;font-size:14px;gap:9px}.kch-message-bar svg{width:18px;height:18px}.kch-modal{padding:14px}.kch-modal__card{padding:27px 18px 20px;border-radius:22px}.kch-modal h2{font-size:22px}.kch-footer-social{align-items:flex-start;flex-direction:column;gap:14px;margin-top:25px}}
@media(max-width:420px){.kch-message-bar span{display:none}.kch-message-bar{width:50px;height:50px;min-height:50px;padding:0;justify-content:center;border-radius:50%}.kch-back-top{bottom:80px}.kch-float-stack{bottom:142px}}
@media(prefers-reduced-motion:reduce){.kch-circle,.kch-hover-label,.kch-back-top,.kch-message-bar,.kch-footer-social a{transition:none}}