.ig[hidden]{display:none!important}
.ig{position:fixed;inset:0;z-index:1500;overflow-y:auto;overscroll-behavior:contain;background:#f6f7fa;color:#18212d;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;text-align:left;letter-spacing:0;font-size:14px;line-height:1.6}
.ig *{box-sizing:border-box;letter-spacing:0}
.ig-shell{width:100%;max-width:640px;min-height:100%;margin:auto;background:#fff;padding-bottom:calc(30px + env(safe-area-inset-bottom))}
.ig-header{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:10px;height:58px;padding:0 14px;background:#fff;border-bottom:1px solid #e9edf2}
.ig-header h2{margin:0;flex:1;color:#18212d;font-size:16px;line-height:22px;font-weight:700;min-width:0}
.ig .ig-icon-button{display:grid;place-items:center;flex:none;width:36px;height:36px;padding:0;border:0;border-radius:6px;background:transparent;color:#334155;cursor:pointer;font-size:28px;font-weight:400;line-height:1}
.ig-icon-button:hover{background:#f3f5f8}
.ig-brand{display:flex;align-items:center;gap:14px;padding:28px 22px 18px}
.ig-brand img{display:block;width:58px;height:58px;border-radius:12px;object-fit:cover}
.ig-brand h1{margin:0;font-size:26px;line-height:1.3;color:#be161d;text-shadow:none}
.ig-brand p{margin:5px 0 0;color:#687588;font-size:13px;line-height:20px}
.ig-content{padding:0 22px}
.ig .ig-download{display:flex;align-items:center;justify-content:center;width:100%;height:50px;padding:0 12px;border:0;border-radius:8px;color:#fff;background:#db1723;font-size:16px;font-weight:700;cursor:pointer}
.ig .ig-download:disabled{opacity:.6;cursor:wait}
.ig-status{margin:10px 0 0;color:#a31522;font-size:13px;line-height:20px;min-height:0;overflow-wrap:anywhere}
.ig-intro{margin:12px 0 24px;color:#687588;font-size:13px;line-height:22px}
.ig-step{padding:0 0 24px;margin-bottom:20px;border-bottom:1px solid #ecedf0}
.ig-step:last-child{border-bottom:0;margin-bottom:0}
.ig-step-heading{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px}
.ig-number{display:grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;background:#ffeaec;color:#c31a24;font-size:13px;font-weight:800}
.ig-step h3{margin:1px 0 0;color:#18212d;font-size:16px;line-height:24px}
.ig-step p{margin:8px 0 12px;color:#556273;font-size:14px;line-height:24px}
.ig-step b{color:#b11620}
.ig-example{margin:12px 0 0;border:1px solid #dfe5ed;border-radius:8px;overflow:hidden;background:#f7f8fa;color:#1c2532;box-shadow:0 2px 8px #18212d08}
.ig-example-label{padding:7px 12px;font-size:11px;color:#768194;border-bottom:1px solid #e4e8ee;background:#fafbfc}
.ig-example-body{padding:16px;background:#fff}
.ig-system-actions{display:flex;justify-content:flex-end;gap:24px;padding-top:16px;color:#1476cf;font-size:15px}
.ig-mark{outline:2px solid #dc2335;outline-offset:4px;border-radius:2px}
.ig-settings-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;background:#fff;border-bottom:1px solid #e9edf2}
.ig-settings-row:last-child{border-bottom:0}
.ig-settings-row small{display:block;color:#8b96a4;font-size:12px}
.ig-chevron{font-size:22px;color:#9da7b5;flex:none}
.ig-app-row{display:flex;gap:12px;align-items:center}
.ig-app-row img{width:42px;height:42px;border-radius:9px;object-fit:cover}
.ig-app-row strong{font-size:15px}
.ig-note{padding:12px 14px;margin:16px 0;color:#556273;background:#f3f7fb;border-left:3px solid #0b887e;font-size:13px;line-height:22px}
.ig .ig-source{color:#1476cf;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.ig-list-heading{margin:24px 0 10px;font-size:14px;color:#697789;font-weight:600}
.ig .ig-option{display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:68px;margin:0;padding:12px 0;border:0;border-bottom:1px solid #edf0f4;border-radius:0;background:#fff;text-align:left;color:#25313f;font-size:14px;line-height:21px;cursor:pointer}
.ig-option:hover{background:#fafbfc}
.ig-brand-mark{display:grid;place-items:center;width:46px;height:38px;font-size:15px;font-weight:800;line-height:1;color:#087f6b;overflow-wrap:anywhere}
.ig-brand-mark.mi{color:#f36f13;font-size:24px}
.ig-brand-mark.vivo{color:#168deb;font-size:18px}
.ig-brand-mark.oppo{color:#078453;font-size:16px}
.ig-brand-mark.huawei{color:#c61d2a;font-size:12px}
.ig-brand-mark.honor{color:#222946;font-size:11px}
.ig-brand-mark.meizu{color:#168deb;font-size:11px}
.ig-brand-mark.help{color:#1b76d3;font-size:24px}
.ig-option small{display:block;color:#8b96a4;font-size:11px}
.ig-option-view{color:#c92762;font-size:12px;white-space:nowrap}
.ig-path{padding:12px 14px;background:#f7f9fb;border:1px solid #e5ebf2;border-radius:6px;font-size:13px;line-height:25px;color:#435164;overflow-wrap:anywhere}
.ig-switch-example{display:inline-block;width:42px;height:24px;border-radius:20px;background:#20a078;padding:3px;flex:none}
.ig-switch-example:after{display:block;content:"";width:18px;height:18px;border-radius:50%;background:#fff;transform:translateX(18px)}
.ig-download-secondary{margin-top:24px}
@media(max-width:374px){.ig-content{padding:0 16px}.ig-brand{padding:24px 16px 16px;gap:10px}.ig-brand h1{font-size:23px}.ig-option{gap:8px;grid-template-columns:42px minmax(0,1fr) auto}}