:root{--install-navy:#071a54;--install-gold:#e2ad35;--install-cream:#f7f2e8;--install-green:#14594a;--install-ink:#17213d}
*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#071a54 0 310px,var(--install-cream) 310px);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--install-ink)}a{color:inherit}.install-container{width:min(1080px,92vw);margin-inline:auto}.install-header{color:#fff}.install-header-inner{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:16px}.install-brand{display:flex;align-items:center;gap:12px;text-decoration:none}.install-brand img{width:58px;height:58px;object-fit:contain}.install-brand strong,.install-brand small{display:block}.install-brand strong{font:700 1.45rem Georgia}.install-brand small{color:#f2c45e}.install-back{border:1px solid #ffffff80;border-radius:999px;padding:10px 14px;text-decoration:none;font-weight:800}.install-hero{color:#fff;padding:30px 0 46px}.install-kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.13em;color:#f2c45e;font-weight:900}.install-hero h1{font:700 clamp(2.8rem,7vw,5rem)/1.02 Georgia;margin:.18em 0}.install-hero p{max-width:720px;line-height:1.7;color:#e5edf8}.install-main{padding-bottom:70px}.install-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;align-items:start}.install-card{background:#fff;border:1px solid #ded6c7;border-radius:22px;padding:25px;box-shadow:0 16px 40px #071a541c}.install-card h2{font:700 1.9rem Georgia;color:var(--install-navy);margin:.2em 0}.install-card p{line-height:1.65;color:#566173}.install-button{display:flex;align-items:center;justify-content:center;width:100%;min-height:56px;border:0;border-radius:13px;background:var(--install-gold);color:var(--install-navy);font:900 1rem Inter,system-ui;cursor:pointer;margin:18px 0 9px}.install-button:disabled{opacity:.55}.install-status{border-radius:12px;padding:13px 14px;background:#edf6f1;color:#19583f;line-height:1.5}.install-status.info{background:#eef2fa;color:#263f70}.install-status.warning{background:#fff3d5;color:#70500c}.install-platform{display:grid;gap:12px;margin-top:18px}.install-platform details{border:1px solid #ded6c7;border-radius:14px;background:#fff;overflow:hidden}.install-platform summary{cursor:pointer;font-weight:900;color:var(--install-navy);padding:15px;list-style:none}.install-platform summary::-webkit-details-marker{display:none}.install-platform summary::after{content:"＋";float:right;color:#996d14}.install-platform details[open] summary::after{content:"−"}.install-steps{margin:0;padding:0 20px 18px 38px;color:#4e5b6e;line-height:1.75}.install-qr-card{text-align:center}.install-qr-wrap{display:inline-grid;place-items:center;background:#fff;border:10px solid #fff;border-radius:18px;box-shadow:0 10px 28px #071a5418;margin:12px auto}.install-qr-wrap img{display:block;width:min(300px,70vw);height:auto}.install-url{display:block;overflow-wrap:anywhere;color:#775812;font-weight:800;margin:10px 0}.install-share{border:1px solid var(--install-navy);border-radius:11px;background:#fff;color:var(--install-navy);padding:11px 15px;font-weight:850;cursor:pointer}.install-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}.install-benefits article{background:#fff;border:1px solid #ded6c7;border-radius:16px;padding:17px}.install-benefits span{font-size:1.8rem}.install-benefits h3{color:var(--install-navy);margin:.5em 0}.install-benefits p{font-size:.85rem;line-height:1.55;color:#596577}.install-dialog{width:min(560px,92vw);border:0;border-radius:20px;padding:0;box-shadow:0 30px 90px #0007}.install-dialog::backdrop{background:#04133fbb}.install-dialog-inner{padding:24px;position:relative}.install-dialog-close{position:absolute;right:13px;top:12px;border:0;background:#edf0f6;width:42px;height:42px;border-radius:50%;font-size:1.4rem}.install-dialog h2{font-family:Georgia,serif;color:var(--install-navy);padding-right:42px}.install-footer{background:#04133f;color:#fff;padding:28px 0}.install-footer-inner{display:flex;justify-content:space-between;gap:18px}.install-footer a{color:#f2c45e}
@media(max-width:800px){body{background:linear-gradient(180deg,#071a54 0 360px,var(--install-cream) 360px)}.install-grid{grid-template-columns:1fr}.install-qr-card{order:2}.install-benefits{grid-template-columns:1fr}.install-header-inner{min-height:78px}.install-brand img{width:48px}.install-brand strong{font-size:1.1rem}.install-back{font-size:.78rem;padding:8px 10px}}
@media(display-mode:standalone){[data-install-action]{display:none!important}.install-qr-card{display:none}}