/* 网页在线客服小组件（js/support-widget.js）。全部挂在 .kai-sup 下，不影响页面其它样式。 */
.kai-sup { --kai-accent: #0F7B66; --kai-accent-hover: #0A5D4D; --kai-text: #1C1814; --kai-muted: #6F665C; --kai-line: #ECE4D7; font-family: inherit; }
.kai-sup.is-hidden { display: none; }
.kai-sup-bubble {
    position: fixed; right: 20px; bottom: 20px; z-index: 1450;
    display: inline-flex; align-items: center; gap: 8px;
    height: 48px; padding: 0 18px 0 14px; border: 0; border-radius: 999px;
    background: var(--kai-accent); color: #fff; font: inherit; font-size: 15px; font-weight: 700;
    box-shadow: 0 8px 22px rgba(15, 123, 102, 0.32); cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}
.kai-sup-bubble:hover { background: var(--kai-accent-hover); transform: translateY(-1px); }
.kai-sup.is-open .kai-sup-bubble { display: none; }
.kai-sup-panel {
    position: fixed; right: 20px; bottom: 20px; z-index: 2550;
    width: 380px; max-width: calc(100vw - 32px); height: min(600px, calc(100vh - 40px));
    display: flex; flex-direction: column; overflow: hidden;
    box-sizing: border-box; background: #fff; color: var(--kai-text); border: 1px solid var(--kai-line); border-radius: 18px;
    box-shadow: 0 18px 48px rgba(28, 24, 20, 0.22); text-align: left;
}
.kai-sup-panel[hidden], .kai-sup-contact[hidden], .kai-sup-foot[hidden], .kai-sup-body[hidden], .kai-sup-err[hidden] { display: none; }
.kai-sup-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 14px 12px 18px; background: var(--kai-accent); color: #fff; }
.kai-sup-head b { display: block; font-size: 16px; }
.kai-sup-head small { display: block; font-size: 12px; opacity: 0.85; margin-top: 2px; }
.kai-sup-x { width: 34px; height: 34px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.16); color: #fff; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; flex: none; }
.kai-sup-x:hover { background: rgba(255, 255, 255, 0.28); }
.kai-sup-body { flex: 1; overflow-y: auto; padding: 14px 14px 6px; display: flex; flex-direction: column; gap: 8px; background: #FAF7F2; }
.kai-sup-m { max-width: 86%; padding: 9px 12px; border-radius: 14px; font-size: 14px; line-height: 1.55; word-break: break-word; }
.kai-sup-m.is-bot { align-self: flex-start; background: #fff; border: 1px solid var(--kai-line); border-bottom-left-radius: 4px; }
.kai-sup-m.is-me { align-self: flex-end; background: var(--kai-accent); color: #fff; border-bottom-right-radius: 4px; }
.kai-sup-m.is-note { align-self: stretch; max-width: none; background: #FDF1D8; color: #6B4E16; font-size: 13px; }
.kai-sup-m a { color: var(--kai-accent-hover); font-weight: 600; }
.kai-sup-m.is-me a { color: #fff; }
.kai-sup-m.is-typing { display: inline-flex; gap: 4px; padding: 12px 14px; }
.kai-sup-m.is-typing i { width: 7px; height: 7px; border-radius: 50%; background: #B7AC9F; animation: kai-sup-dot 1.1s ease-in-out infinite; }
.kai-sup-m.is-typing i:nth-child(2) { animation-delay: 0.15s; }
.kai-sup-m.is-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes kai-sup-dot { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }
.kai-sup-quick { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 4px; }
.kai-sup-quick button { border: 1px solid #D9CFBE; background: #fff; color: var(--kai-text); border-radius: 999px; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; text-align: left; }
.kai-sup-quick button:hover { border-color: var(--kai-accent); color: var(--kai-accent-hover); }
.kai-sup-cta { align-self: flex-start; border: 0; background: var(--kai-accent); color: #fff; border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.kai-sup-sep { align-self: center; font-size: 11px; color: var(--kai-muted); margin: 4px 0; }
.kai-sup-sep.is-now { width: 60%; height: 1px; background: var(--kai-line); margin: 6px 0; }
.kai-sup-note { font-size: 11px; color: #9A8E83; margin: 8px 2px 4px; text-align: center; }
.kai-sup-foot { display: flex; align-items: flex-end; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--kai-line); background: #fff; }
.kai-sup-in { flex: 1; resize: none; border: 1px solid #D9CFBE; border-radius: 14px; padding: 9px 12px; font: inherit; font-size: 15px; line-height: 1.4; max-height: 120px; outline: none; color: var(--kai-text); background: #fff; }
.kai-sup-in:focus { border-color: var(--kai-accent); box-shadow: 0 0 0 3px rgba(15, 123, 102, 0.12); }
.kai-sup-go { width: 40px; height: 40px; flex: none; border: 0; border-radius: 50%; background: var(--kai-accent); color: #fff; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.kai-sup-go:hover { background: var(--kai-accent-hover); }
.kai-sup-links { display: flex; justify-content: center; gap: 6px; align-items: center; padding: 0 12px 10px; background: #fff; font-size: 12px; color: #B7AC9F; }
.kai-sup-links button { border: 0; background: none; padding: 0; font: inherit; font-size: 12px; color: var(--kai-muted); text-decoration: underline; cursor: pointer; }
.kai-sup-links button:hover { color: var(--kai-accent-hover); }
.kai-sup-contact { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; background: #FAF7F2; }
.kai-sup-ct { font-size: 16px; }
.kai-sup-cs { margin: 0; font-size: 13px; color: var(--kai-muted); }
.kai-sup-contact label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; }
.kai-sup-contact input, .kai-sup-contact textarea { border: 1px solid #D9CFBE; border-radius: 10px; padding: 9px 11px; font: inherit; font-size: 15px; font-weight: 400; background: #fff; color: var(--kai-text); resize: vertical; }
.kai-sup-contact input:focus, .kai-sup-contact textarea:focus { outline: none; border-color: var(--kai-accent); box-shadow: 0 0 0 3px rgba(15, 123, 102, 0.12); }
.kai-sup-err { margin: 0; color: #B4412C; font-size: 13px; }
.kai-sup-crow { display: flex; justify-content: space-between; gap: 10px; margin-top: 4px; }
.kai-sup-back { border: 1px solid #D9CFBE; background: #fff; border-radius: 999px; padding: 9px 16px; font: inherit; font-size: 14px; cursor: pointer; }
.kai-sup-csend { border: 0; background: var(--kai-accent); color: #fff; border-radius: 999px; padding: 9px 18px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.kai-sup-csend:disabled { opacity: 0.6; cursor: default; }

@media (max-width: 600px) {
    .kai-sup-bubble { right: 14px; bottom: 14px; width: 48px; padding: 0; justify-content: center; }
    .kai-sup-bubble-t { display: none; }
    .kai-sup.is-lifted .kai-sup-bubble { bottom: calc(92px + env(safe-area-inset-bottom, 0px)); }
    .kai-sup-panel { right: 0; bottom: 0; width: 100%; max-width: none; height: 88vh; height: 88dvh; border-radius: 18px 18px 0 0; }
    .kai-sup-in { font-size: 16px; }   /* iOS 不放大输入框 */
}
@media (prefers-reduced-motion: reduce) {
    .kai-sup-m.is-typing i { animation: none; }
    .kai-sup-bubble { transition: none; }
}