/* ===== components · 共享组件 ===== */
/* ===== 添加到主屏幕 · 移动弹窗（仅移动端非独立模式显示）===== */
.a2hs{display:none}
.a2hs-show{display:block;position:fixed;inset:0;z-index:1300}
.a2hs-mask{position:absolute;inset:0;background:rgba(10,8,5,.5);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
@keyframes a2hsIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.a2hs-card{position:absolute;left:16px;right:16px;bottom:calc(72px + env(safe-area-inset-bottom,0px));background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:16px 18px 18px;animation:a2hsIn .4s var(--ease-out) both}
.a2hs-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.a2hs-ico{width:44px;height:44px;border-radius:12px;flex:none;box-shadow:var(--shadow)}
.a2hs-head b{font-size:15px;font-weight:700;letter-spacing:-.01em;display:block}
.a2hs-head .sub{font-size:11px;color:var(--sub);display:block;margin-top:2px}
.a2hs-steps{list-style:none;margin:0 0 4px;padding:0}
.a2hs-steps li{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.5;padding:7px 0;color:var(--text)}
.a2hs-steps li b{color:var(--text)}
.a2hs-steps .n{flex:none;width:20px;height:20px;border-radius:50%;background:var(--fill-2);color:var(--text);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px}
.a2hs-x{flex:none;position:absolute;top:10px;right:10px;width:30px;height:30px;border:none;border-radius:50%;background:var(--fill-2);color:var(--sub);font-size:15px;cursor:pointer;line-height:1}
.a2hs-btn{width:100%;margin-top:12px;padding:12px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;font-size:14px;font-weight:700;cursor:pointer}
.a2hs-btn:active{opacity:.85;transform:scale(.98)}