/* Namespaced additions: existing page styles, content and QQ controls stay intact. */
.wx-service-icon{display:grid;place-items:center;width:20px;height:20px;color:inherit;flex:none}
.wx-service-icon svg,.wx-service-mark svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round;stroke-linecap:round}
.wx-service-icon svg{width:20px;height:20px}
.wx-service-open{cursor:pointer;scroll-margin-top:20px}
.wx-service-standard{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;min-width:0;min-height:40px;margin:8px 0 0;padding:8px 12px;border:1px solid #cfe8d9;border-radius:8px;background:#eaf6ee;color:#26734e;font:600 13px/1.4 "Microsoft YaHei",sans-serif;box-shadow:none;white-space:nowrap}
.wx-service-standard:hover{background:#dff0e5;border-color:#b9dcc8}
.wx-service-standard:active{background:#d5eadc;transform:translateY(1px)}
.wx-service-open:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.wx-service-dialog button:focus-visible{outline:3px solid #a5d7bd;outline-offset:3px}
/* The host only supplies native selectors such as .contact-card button. It adds no box. */
.wx-service-native-host,.strict-page .contact-card.wx-service-native-host{display:contents!important}
.wx-service-native-host::before,.wx-service-native-host::after{display:none!important}
.wx-service-native-host .wx-service-open.wx-service-theme-button,.strict-page .contact .wx-service-native-host .wx-service-open.wx-service-theme-button{display:flex;align-items:center;justify-content:center;gap:8px;grid-column:1/-1;width:100%;min-width:0;min-height:40px;height:auto;margin:0;padding:8px 12px;white-space:nowrap}
/* 4444 uses the existing 56px utility buttons and their grid, not a separate banner. */
.optimized .tool-grid .tool-button.compact-sub-action.is-wechat-service{margin:0;background:#fffefa;color:#19202b;border-color:#e9e3db}
.optimized .tool-grid .tool-button.compact-sub-action.is-wechat-service .tool-icon{background:#ecf7ef;color:#209267}
.optimized .tool-grid .tool-button.compact-sub-action.is-wechat-service::after{display:none}
.qq-fallback-dialog,.qq-fallback-dialog *{box-sizing:border-box}
body.qq-fallback-locked{overflow:hidden!important}
dialog.qq-fallback-dialog{position:fixed;inset:0;width:min(368px,calc(100vw - 32px));height:fit-content;max-width:none;max-height:calc(100dvh - 32px);margin:auto;padding:0;overflow:auto;border:1px solid #dce9e1;border-radius:20px;background:#fff;color:#203b30;box-shadow:0 24px 90px #0c332b33;font:14px/1.6 "Microsoft YaHei","PingFang SC",sans-serif;text-align:left}
dialog.qq-fallback-dialog:not([open]){display:none}
dialog.qq-fallback-dialog:focus{outline:none}
dialog.qq-fallback-dialog::backdrop{background:#11271f80;backdrop-filter:blur(3px)}
.qq-fallback-inner{position:relative;padding:25px 24px 14px;background:linear-gradient(160deg,#eef8f2,white 50%)}
.qq-fallback-dialog button{cursor:pointer;font-family:inherit;box-shadow:none;letter-spacing:normal}
.qq-fallback-dialog button:focus-visible{outline:2px solid #17825e;outline-offset:3px}
.qq-fallback-dialog .qq-fallback-close{position:absolute;right:10px;top:10px;display:grid;place-items:center;width:32px;height:32px;margin:0;padding:0;border:0;border-radius:50%;background:transparent;color:#6d8277;font:25px/1 sans-serif}
.qq-fallback-close:hover{background:#e2eee7}
.qq-fallback-heading{display:flex;align-items:center;gap:11px;margin:0 26px 12px 0;padding:0;border:0;background:none}
.qq-fallback-mark{display:grid;place-items:center;flex:none;width:40px;height:40px;border:1px solid #d2e9e1;border-radius:12px;background:#e1f1e9;color:#258260}
.qq-fallback-dialog svg{display:block;width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.qq-fallback-dialog h2{margin:0;padding:0;font:700 21px/1.4 "Microsoft YaHei",sans-serif;letter-spacing:0;color:#213e30}
.qq-fallback-dialog p{margin:0;padding:0;font-size:12px;line-height:1.8;color:#73857b}
.qq-fallback-account{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 14px;padding:16px;border:1px solid #dde9e2;border-radius:13px;background:#fff;box-shadow:0 3px 12px #133b2404}
.qq-fallback-account-copy{display:flex;flex-direction:column;min-width:0;gap:5px}
.qq-fallback-account-copy>span{color:#788c80;font-size:11px;line-height:1.5}
.qq-fallback-dialog .qq-fallback-number{display:block;white-space:nowrap;font:700 clamp(19px,5.5vw,24px)/1.3 "Segoe UI",Arial,sans-serif;letter-spacing:.4px;color:#234936;user-select:text!important;-webkit-user-select:text!important;-webkit-touch-callout:default!important}
.qq-fallback-dialog .qq-fallback-copy{display:flex;align-items:center;justify-content:center;gap:5px;flex:none;min-height:36px;margin:0;padding:8px 10px;border:1px solid #cfe3d7;border-radius:8px;background:#eef7f1;color:#23724e;font-size:12px;font-weight:600;line-height:1.3;white-space:nowrap}
.qq-fallback-copy svg{width:14px;height:14px}.qq-fallback-copy:hover{background:#e0f0e6}
.qq-fallback-dialog .qq-fallback-open{display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;margin:0;padding:10px;border:1px solid #268861;border-radius:10px;background:#278a62;color:#fff;font-size:15px;font-weight:700;line-height:1.5}
.qq-fallback-dialog .qq-fallback-open:hover{background:#207c56}
.qq-fallback-dialog .qq-fallback-help{margin-top:10px;text-align:center;font-size:11px}
.qq-fallback-dialog .qq-fallback-wechat{display:block;min-height:34px;margin:11px auto 0;padding:5px 8px;border:0;background:none;color:#4b7963;font-size:12px;line-height:1.8;text-decoration:underline;text-underline-offset:3px}
.qq-fallback-dialog .qq-fallback-feedback{min-height:19px;margin-top:4px;font-size:11px;line-height:1.7;text-align:center;color:#267a54}
.qq-fallback-dialog button:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:360px){.qq-fallback-inner{padding:24px 16px 12px}.qq-fallback-account{padding:14px 12px;gap:8px}.qq-fallback-dialog .qq-fallback-number{font-size:21px}.qq-fallback-dialog .qq-fallback-copy{padding:8px}.qq-fallback-dialog h2{font-size:20px}}