<!doctype html><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><title>coucou</title><style>body{font-family:system-ui;margin:0;display:grid;place-items:center;min-height:100vh;background:#111;color:#eee}.w{text-align:center;padding:24px;max-width:300px}h1{font-size:17px;font-weight:600;margin:0 0 10px}p{font-size:14px;line-height:1.75;color:#a0a0a0;margin:0 0 22px}a.b{display:block;margin:10px 0;padding:13px 20px;border-radius:999px;background:#eee;color:#111;text-decoration:none;font-size:14px;font-weight:600}.f{font-size:12px;color:#666;margin:20px 0 0}</style><body><div class="w"><h1>这是一张 coucou 卡片</h1><p>先装上 coucou App，再把卡片贴一次手机背面，就能见到 TA。</p><a class="b" href="https://apps.apple.com/jp/app/id0000000000">App Store</a><a class="b" href="https://play.google.com/store/apps/details?id=jp.sentino.coucou">Google Play</a><p class="f">已经装过了？直接再贴一次卡片就行。</p></div>