:root{--lj-support-bottom:18px}
.lj-support-launcher{position:fixed;right:max(20px,env(safe-area-inset-right));bottom:max(var(--lj-support-bottom),calc(12px + env(safe-area-inset-bottom)));z-index:40;display:flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:12px 19px;border:1px solid #79a9ec;border-radius:18px;background:linear-gradient(135deg,#173e72,#2468ca);box-shadow:0 9px 25px #194e883d,inset 0 1px #ffffff26;color:#fff;font:inherit;font-size:13px;font-weight:750;cursor:pointer;transition:transform .15s,box-shadow .15s}
.lj-support-launcher:hover{transform:translateY(-2px);box-shadow:0 12px 28px #194e884d}.lj-support-launcher svg,.lj-support-welcome svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.lj-support-panel{position:fixed;inset:auto max(20px,env(safe-area-inset-right)) calc(max(var(--lj-support-bottom),env(safe-area-inset-bottom)) + 64px) auto;margin:0;padding:0;width:min(376px,calc(100vw - 28px));max-height:calc(100dvh - max(var(--lj-support-bottom),env(safe-area-inset-bottom)) - 84px);border:1px solid #d2e0f2;border-radius:21px;background:#fff;color:#203d5f;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;box-shadow:0 24px 75px #102d5d3b;overflow:auto}
.lj-support-panel::backdrop{background:#0b25402b;backdrop-filter:blur(1px)}.lj-support-panel *{box-sizing:border-box}.lj-support-panel[open]{display:block}.lj-support-panel [hidden]{display:none!important}
.lj-support-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:12px;padding:20px;background:linear-gradient(130deg,#122c4b,#1d4779);border-bottom:2px solid #d2ad6f;color:#fff}.lj-support-brand{width:42px;height:42px;flex:none;filter:drop-shadow(0 2px 6px #06162e55)}.lj-support-heading{min-width:0}.lj-support-heading>span{font-size:9px;letter-spacing:.14em;color:#a6c3e8;font-weight:700}.lj-support-heading h2{margin:6px 0 0;font-size:19px;font-weight:800;line-height:1.2}.lj-support-close{display:grid;place-items:center;flex:none;margin-left:auto;width:31px;height:31px;padding:0;border:1px solid #a4c5ed33;border-radius:50%;background:#ffffff0f;color:#cfdef0;font:inherit;font-size:23px;cursor:pointer}
.lj-support-content{padding:21px 20px 17px}.lj-support-intro{margin:0 0 20px}.lj-support-welcome{display:flex;align-items:center;gap:9px;color:#286bc4}.lj-support-welcome h3{margin:0;color:#24496f;font-size:15px;font-weight:800}.lj-support-intro>p{margin:10px 0 0;color:#8195ae;font-size:12px;line-height:1.8}
.lj-support-faq>h3{margin:0 0 10px;color:#879ab1;font-size:10px;letter-spacing:.1em;font-weight:700}.lj-support-faq details{margin:7px 0;border:1px solid #e3ebf5;border-radius:11px;background:#f7faff;overflow:hidden}.lj-support-faq summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;list-style:none;font-size:12px;font-weight:650;color:#41658c;cursor:pointer}.lj-support-faq summary::-webkit-details-marker{display:none}.lj-support-plus{color:#769bc4;font-size:17px;font-weight:400;line-height:1}.lj-support-faq details[open] .lj-support-plus{transform:rotate(45deg)}.lj-support-faq details>p{margin:0;padding:0 14px 15px;color:#7c91aa;font-size:12px;line-height:1.8}
.lj-support-contact{margin-top:19px;padding-top:17px;border-top:1px solid #e4ecf6}.lj-support-channel{margin:0 0 8px;color:#3e6188;font-size:12px;font-weight:700;overflow-wrap:anywhere}.lj-support-channel:empty{display:none}.lj-support-status{margin:0 0 13px;color:#8a9bb0;font-size:11px;line-height:1.7}.lj-support-status[data-state="error"],.lj-support-status[data-state="unconfigured"]{color:#a17b3f;background:#fff8ec;padding:10px 12px;border-radius:9px}
.lj-support-contact-button{display:flex;align-items:center;justify-content:center;width:100%;min-height:45px;padding:12px;border:1px solid #d4a154;border-radius:11px;background:linear-gradient(115deg,#edca8b,#ddb369);box-shadow:0 5px 12px #dab77d26;color:#48351a;text-decoration:none;font-size:13px;font-weight:800}.lj-support-contact-button:hover{filter:brightness(1.04)}.lj-support-retry{display:block;margin:12px auto 0;padding:4px 10px;border:0;background:none;color:#6488b0;font:inherit;font-size:11px;cursor:pointer}.lj-support-retry:disabled{opacity:.6;cursor:wait}.lj-support-foot{padding:12px 20px;border-top:1px solid #e8eff7;background:#f9fbfe;color:#99abc1;font-size:9px;letter-spacing:.06em;text-align:center}
.lj-support-inline{display:inline-flex;justify-content:center;align-items:center;margin:12px 0 0;padding:7px 12px;border:0;border-radius:8px;background:#eaf2fd;color:#4c78ad;font:inherit;font-size:11px;cursor:pointer;text-decoration:none}.lj-support-launcher:focus-visible,.lj-support-inline:focus-visible,.lj-support-panel button:focus-visible,.lj-support-panel a:focus-visible,.lj-support-panel summary:focus-visible{outline:3px solid #79b0ff;outline-offset:3px}
@media(max-width:700px){.lj-support-launcher{right:max(12px,env(safe-area-inset-right));min-height:46px;gap:6px;padding:10px 14px;border-radius:15px;font-size:12px}.lj-support-launcher svg{width:19px;height:19px}.lj-support-launcher.is-input-active{visibility:hidden;pointer-events:none}.lj-support-panel{inset:auto max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) auto;width:min(376px,calc(100vw - 24px));max-height:calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));border-radius:18px}.lj-support-head{padding:17px}.lj-support-content{padding:18px 17px 15px}.lj-support-heading h2{font-size:18px}.lj-support-brand{width:38px;height:38px}}
@media(max-height:540px){.lj-support-panel{bottom:max(8px,env(safe-area-inset-bottom));max-height:calc(100dvh - 16px)}}
@media(prefers-reduced-motion:reduce){.lj-support-launcher{transition:none}.lj-support-launcher:hover{transform:none}}