:root{color-scheme:dark;--bg:#202630;--text:#f7f8fa;--muted:#c7ced8;--accent:#c91365;--line:#526072}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:17px;line-height:1.6}.wrap{max-width:540px;margin:auto;padding:40px 24px max(28px,env(safe-area-inset-bottom))}header{display:flex;align-items:center;gap:12px;margin-bottom:52px}.mark{width:44px;height:44px}header p{margin:0;font-weight:700;font-size:20px}header span{display:block;font-size:13px;font-weight:400;color:var(--muted)}h1{font-size:clamp(30px,7.5vw,40px);line-height:1.25;letter-spacing:-.025em;margin:0 0 18px}.hint{color:var(--muted);margin:14px 0;font-size:16px}.btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:54px;padding:13px 18px;margin:24px 0 10px;border:0;border-radius:12px;background:var(--accent);color:white;font:inherit;font-weight:650;text-align:center;text-decoration:none;cursor:pointer}.btn-secondary{background:transparent;border:1px solid var(--line);margin-top:12px}.btn:hover{filter:brightness(1.13)}:focus-visible{outline:3px solid #64d8e5;outline-offset:4px}.status:empty{display:none}#download-options{margin-top:28px}.channel-detail{font-size:13px;margin:8px 0;color:var(--muted)}.context{margin:32px 0 0;padding-top:22px;border-top:1px solid var(--line);color:#d7f6fa;font-size:14px}.share-context-card{margin:-24px 0 38px;padding:16px;border:1px solid #5d6d80;border-radius:16px;background:#29313d;box-shadow:0 12px 32px rgba(0,0,0,.18)}.share-context-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.share-context-heading span{color:#8feaf2;font-size:13px;font-weight:700;letter-spacing:.04em}.share-context-heading a{display:inline-flex;align-items:center;min-height:48px;padding:10px 2px;color:var(--text);font-size:14px;text-underline-offset:4px}.share-context-body{display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;align-items:center}.share-context-image,.share-context-empty{width:96px;height:82px;border-radius:12px}.share-context-image{display:block;object-fit:cover;background:#1e242d}.share-context-empty{display:grid;place-items:center;padding:8px;background:#1e242d;color:var(--muted);font-size:12px;line-height:1.4;text-align:center}.share-context-copy{min-width:0}.share-context-copy h2{margin:0 0 4px;font-size:19px;line-height:1.35;overflow-wrap:anywhere}.share-context-copy p,.share-context-privacy,.share-context-status{margin:0;color:var(--muted);font-size:14px}.share-context-privacy{margin-top:12px;padding-top:11px;border-top:1px solid var(--line);color:#d7f6fa}.share-context-status:not(:empty){margin-top:8px}.platform-correction{margin-top:28px;color:var(--muted);font-size:13px}summary{cursor:pointer;min-height:48px;padding:12px 0;width:fit-content}label{display:block;margin-top:8px}select{width:100%;min-height:48px;margin:8px 0;padding:12px;background:#2a323e;color:var(--text);border:1px solid var(--line);border-radius:8px;font:inherit}footer{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;margin-top:38px;color:var(--muted);font-size:13px}footer a{min-height:48px;padding:12px 0;color:var(--muted);text-underline-offset:4px}#wechat-guide{position:relative;padding-top:72px}.menu-arrow{position:absolute;width:130px;height:130px;right:-4px;top:-85px;fill:none;stroke:#69e4ed;stroke-width:7;stroke-linecap:round;stroke-linejoin:round}.menu-preview{margin-top:30px;background:#2a323e;border-radius:14px;padding:18px 20px}.menu-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.menu-top svg{width:28px;height:8px;fill:var(--text)}.menu-choice{display:flex;align-items:center;gap:14px;padding:24px 0 12px}.menu-choice svg{width:42px;height:42px;fill:none;stroke:#69e4ed;stroke-width:2}.menu-choice strong{font-size:18px}body[data-environment="wechat"] .wrap{max-width:540px}body[data-environment="wechat"] header{margin-bottom:50px}::selection{background:#b9edf2;color:#202630}@media(max-width:360px){.wrap{padding:28px 20px}header{margin-bottom:40px}.share-context-card{margin-top:-16px}.share-context-body{grid-template-columns:80px minmax(0,1fr)}.share-context-image,.share-context-empty{width:80px;height:72px}#wechat-guide{padding-top:64px}.menu-arrow{right:0;top:-72px;width:116px;height:116px}h1{font-size:29px}}@media(min-width:800px){.wrap{padding-top:72px}.menu-arrow{right:-28px}}