.install-banner{position:fixed;left:16px;right:16px;bottom:calc(var(--tabbar-h) + 12px);max-width:688px;margin:0 auto;z-index:50;display:flex;align-items:stretch;gap:0;border-radius:14px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.15);background:var(--accent-deep);color:#fff}.install-banner-main{flex:1 1;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border:none;background:transparent;color:inherit;font:inherit;font-size:14px;line-height:1.45;text-align:left;cursor:pointer}.install-banner-cta{flex-shrink:0;font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;background:#fff;color:var(--accent-deep)}.install-banner-close{flex-shrink:0;width:44px;border:none;border-left:1px solid hsla(0,0%,100%,.2);background:transparent;color:#fff;cursor:pointer;font-size:16px}.install-pwa-sheet{max-height:85vh;overflow-y:auto}.install-pwa-brand{display:flex;align-items:center;gap:14px;margin:12px 0 16px;padding:14px;border-radius:14px;background:var(--pwa-bg,#fffcfa)}.install-pwa-icon{border-radius:16px;box-shadow:0 2px 8px rgba(79,107,93,.12)}.install-pwa-name{display:block;font-size:18px;color:var(--pwa-ink,#4f6b5d)}.install-pwa-sub{display:block;font-size:13px;margin-top:2px}.install-pwa-headline{font-size:15px;line-height:1.5;margin-bottom:14px}.install-pwa-steps{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:12px}.install-pwa-steps li{display:flex;gap:12px;align-items:flex-start}.install-pwa-step-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--accent-wash);color:var(--accent-deep);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}.install-pwa-steps strong{display:block;font-size:14px;margin-bottom:2px}.install-pwa-steps .muted{display:block;font-size:12px;line-height:1.4}.install-pwa-dismiss{display:block;width:100%;margin-top:10px;text-align:center;font-size:13px}.ios-install-coach{position:fixed;inset:0;z-index:130;display:flex;flex-direction:column;justify-content:flex-end;pointer-events:none}.ios-install-coach-scrim{position:absolute;inset:0;border:none;margin:0;padding:0;background:rgba(20,28,24,.52);pointer-events:auto;cursor:pointer;animation:ios-install-coach-fade .28s ease}.ios-install-coach-body{position:relative;z-index:1;width:100%;max-width:420px;margin:0 auto;padding:0 18px calc(12px + var(--safe-bottom));display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;animation:ios-install-coach-rise .34s cubic-bezier(.32,.72,0,1)}.ios-install-coach-card{position:relative;width:100%;padding:18px 16px 16px;border-radius:18px;background:var(--surface,#fff);box-shadow:0 10px 36px rgba(20,28,24,.22);pointer-events:auto}.ios-install-coach-close{position:absolute;top:10px;right:10px;width:36px;height:36px;border:none;border-radius:999px;background:transparent;color:var(--muted,#7a867f);font-size:16px;cursor:pointer}.ios-install-coach-brand{display:flex;align-items:center;gap:12px;padding-right:28px;margin-bottom:12px}.ios-install-coach-icon{border-radius:14px;box-shadow:0 2px 8px rgba(79,107,93,.14)}.ios-install-coach-name{display:block;font-size:17px;color:var(--pwa-ink,#4f6b5d)}.ios-install-coach-sub{display:block;font-size:12px;margin-top:2px}.ios-install-coach-headline{margin:0 0 12px;font-size:15px;line-height:1.5;color:var(--ink,#243028)}.ios-install-coach-path{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 8px;font-size:13px;font-weight:600;color:var(--accent-deep,#4f6b5d)}.ios-install-coach-path>span:not(.ios-install-coach-path-sep){padding:4px 9px;border-radius:8px;background:color-mix(in srgb,var(--accent-deep,#4f6b5d) 10%,transparent)}.ios-install-coach-path-sep{font-weight:500;opacity:.55}.ios-install-coach-hint{margin:0;font-size:12px;line-height:1.4}.ios-install-coach-point{display:flex;flex-direction:column;align-items:center;gap:2px;color:#fff;pointer-events:none}.ios-install-coach-arrow{display:block;animation:ios-install-coach-bob 1.35s ease-in-out infinite}.ios-install-coach-target{display:flex;flex-direction:column;align-items:center;gap:4px}.ios-install-coach-share{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:hsla(0,0%,100%,.96);color:var(--accent-deep,#4f6b5d);box-shadow:0 0 0 0 hsla(0,0%,100%,.55),0 4px 16px rgba(0,0,0,.18);animation:ios-install-coach-pulse 1.6s ease-out infinite}.ios-install-coach-target-label{font-size:12px;font-weight:600;letter-spacing:.02em;text-shadow:0 1px 4px rgba(0,0,0,.35)}.ios-install-coach-dismiss{pointer-events:auto;margin:2px 0 4px;padding:8px 16px;font-size:13px;color:hsla(0,0%,100%,.88)!important}@keyframes ios-install-coach-fade{0%{opacity:0}to{opacity:1}}@keyframes ios-install-coach-rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes ios-install-coach-bob{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}@keyframes ios-install-coach-pulse{0%{box-shadow:0 0 0 0 hsla(0,0%,100%,.55),0 4px 16px rgba(0,0,0,.18)}70%{box-shadow:0 0 0 14px hsla(0,0%,100%,0),0 4px 16px rgba(0,0,0,.18)}to{box-shadow:0 0 0 0 hsla(0,0%,100%,0),0 4px 16px rgba(0,0,0,.18)}}@media (prefers-reduced-motion:reduce){.ios-install-coach-arrow,.ios-install-coach-body,.ios-install-coach-scrim,.ios-install-coach-share{animation:none}}.wechat-escape-coach{position:fixed;inset:0;z-index:130;pointer-events:none}.wechat-escape-scrim{position:absolute;inset:0;border:none;margin:0;padding:0;background:rgba(16,22,20,.62);pointer-events:auto;cursor:pointer;animation:wechat-escape-fade .28s ease}.wechat-escape-arrow{position:absolute;top:calc(4px + var(--safe-top));right:6px;z-index:1;color:#fff;pointer-events:none;display:flex;flex-direction:column;align-items:flex-end;gap:0;animation:wechat-escape-bob 1.2s ease-in-out infinite}.wechat-escape-arrow-tip{font-size:14px;font-weight:800;letter-spacing:.04em;padding:5px 10px;border-radius:999px;background:hsla(0,0%,100%,.16);border:1px solid hsla(0,0%,100%,.28);text-shadow:0 1px 6px rgba(0,0,0,.35);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.wechat-escape-arrow-svg{display:block;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}.wechat-escape-body{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:0 16px calc(20px + var(--safe-bottom));display:flex;justify-content:center;pointer-events:none;animation:wechat-escape-rise .34s cubic-bezier(.32,.72,0,1)}.wechat-escape-card{width:100%;max-width:420px;padding:18px 16px 12px;border-radius:18px;background:var(--surface,#fff);box-shadow:0 12px 40px rgba(20,28,24,.32);pointer-events:auto}.wechat-escape-brand{display:flex;align-items:center;gap:12px;margin-bottom:12px}.wechat-escape-icon{border-radius:12px;box-shadow:0 2px 8px rgba(79,107,93,.14)}.wechat-escape-name{display:block;font-size:16px;color:var(--pwa-ink,#4f6b5d)}.wechat-escape-sub{display:block;font-size:12px;margin-top:2px}.wechat-escape-headline{margin:0 0 12px;font-size:17px;font-weight:700;line-height:1.35;color:var(--ink,#243028)}.wechat-escape-steps{list-style:none;margin:0 0 12px;padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--accent-deep,#4f6b5d) 7%,transparent);display:flex;flex-direction:column;gap:8px}.wechat-escape-steps li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.45;color:var(--ink,#243028)}.wechat-escape-steps strong{font-weight:700;color:var(--accent-deep,#4f6b5d)}.wechat-escape-step-n{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:var(--accent-deep,#4f6b5d);margin-top:1px}.wechat-escape-hint{margin:0;font-size:12px;line-height:1.45}.wechat-escape-cta{margin-top:14px}.wechat-escape-cta-done{background:color-mix(in srgb,var(--accent-deep,#4f6b5d) 14%,var(--surface,#fff));color:var(--accent-deep,#4f6b5d);border-color:color-mix(in srgb,var(--accent-deep,#4f6b5d) 28%,transparent)}.wechat-escape-skip{display:block;width:100%;margin-top:10px;text-align:center;font-size:13px}.wechat-escape-chip-wrap{position:fixed;left:0;right:0;bottom:0;z-index:128;padding:0 12px calc(12px + var(--safe-bottom));pointer-events:none;animation:wechat-escape-rise .28s ease}.wechat-escape-chip{pointer-events:auto;width:100%;max-width:440px;margin:0 auto;display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid color-mix(in srgb,var(--accent-deep,#4f6b5d) 22%,transparent);border-radius:14px;background:var(--surface,#fff);box-shadow:0 8px 28px rgba(20,28,24,.16);cursor:pointer;text-align:left;font:inherit;color:inherit}.wechat-escape-chip-dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--accent-deep,#4f6b5d);box-shadow:0 0 0 0 color-mix(in srgb,var(--accent-deep,#4f6b5d) 45%,transparent);animation:wechat-escape-pulse 1.6s ease-out infinite}.wechat-escape-chip-text{flex:1 1;min-width:0;font-size:13px;font-weight:600;line-height:1.35;color:var(--ink,#243028)}.wechat-escape-chip-cta{flex-shrink:0;font-size:12px;font-weight:700;color:var(--accent-deep,#4f6b5d);padding:5px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent-deep,#4f6b5d) 12%,transparent)}@keyframes wechat-escape-fade{0%{opacity:0}to{opacity:1}}@keyframes wechat-escape-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes wechat-escape-bob{0%,to{transform:translate(0)}50%{transform:translate(4px,-5px)}}@keyframes wechat-escape-pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent-deep,#4f6b5d) 45%,transparent)}70%{box-shadow:0 0 0 10px transparent}to{box-shadow:0 0 0 0 transparent}}@media (prefers-reduced-motion:reduce){.wechat-escape-arrow,.wechat-escape-body,.wechat-escape-chip-dot,.wechat-escape-chip-wrap,.wechat-escape-scrim{animation:none}}