.contact-widget{position:fixed;right:18px;bottom:18px;z-index:9999;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.contact-panel{position:absolute;right:0;bottom:70px;width:320px;padding:12px;border-radius:14px;background:rgba(13,22,36,.96);border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 42px rgba(0,0,0,.38);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease;backdrop-filter:blur(14px)}.contact-widget.is-open .contact-panel{opacity:1;pointer-events:auto;transform:translateY(0)}.contact-title{margin:0 0 10px;color:#fff;font-size:15px;font-weight:800}.contact-tabs{display:flex;gap:10px;margin-bottom:10px}.contact-tab{flex:1;min-height:38px;border:1px solid rgba(255,255,255,.12);border-radius:10px;color:#fff;background:rgba(255,255,255,.08);cursor:pointer;font-size:14px;font-weight:700}.contact-tab.is-active{background:#1f73d8}.contact-messages{height:190px;overflow:auto;padding:10px;border-radius:12px;background:rgba(0,0,0,.2);border:1px solid rgba(255,255,255,.08)}.contact-msg{max-width:86%;margin:0 0 8px;padding:8px 10px;border-radius:10px;color:#fff;font-size:13px;line-height:1.45;background:rgba(255,255,255,.1)}.contact-msg--user{margin-left:auto;background:#1f73d8}.contact-form{display:flex;gap:8px;margin-top:10px}.contact-input{flex:1;min-width:0;height:42px;padding:0 11px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:#fff;outline:none}.contact-input::placeholder{color:rgba(255,255,255,.52)}.contact-send{width:64px;border:0;border-radius:10px;cursor:pointer;color:#1d1404;font-size:14px;font-weight:800;background:linear-gradient(180deg,#f6d17c 0%,#d6a347 100%)}.contact-status{min-height:18px;margin:8px 0 0;color:rgba(255,255,255,.58);font-size:12px}.contact-toggle{width:58px;height:58px;border:0;border-radius:50%;cursor:pointer;color:#fff;background:linear-gradient(180deg,#2e7df6 0%,#1f4fd8 100%);box-shadow:0 14px 28px rgba(31,79,216,.42);font-size:14px;font-weight:900}@media(max-width:640px){.contact-widget{right:12px;bottom:12px}.contact-panel{right:0;bottom:64px;width:min(320px,calc(100vw - 24px))}.contact-toggle{width:54px;height:54px}}