:root{color-scheme:light;--panel:#ffffff;--ink:#203033;--muted:#607477;--line:#d3e8e7;--accent:#6671f2;--accent-dark:#4d61df;--accent-soft:#eef1ff;--shell-gradient:radial-gradient( circle at 18% 0%,rgba(119,160,255,0.32),transparent 35% ),radial-gradient( circle at 88% 16%,rgba(119,220,211,0.24),transparent 34% ),linear-gradient(160deg,#f8fffd 0%,#e7f4ff 46%,#edf7f5 78%,#f8f0ff 100%);--shadow:0 22px 80px rgba(39,83,86,0.16);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{min-height:100vh;min-height:100dvh;background:radial-gradient( circle at 20% 0%,rgba(104,194,220,0.28),transparent 31% ),radial-gradient( circle at 88% 14%,rgba(126,214,181,0.24),transparent 31% ),linear-gradient(160deg,#f8fffd 0%,#dff4fb 48%,#e9f7ec 78%,#fff4e6 100%);color:var(--ink)}button{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.phone-shell{width:min(100%,430px);min-height:100vh;min-height:100dvh;margin:0 auto;background:var(--shell-gradient);box-shadow:var(--shadow);overflow:hidden;position:relative}.screen{min-height:100vh;min-height:100dvh;display:none;padding:18px}.screen.is-active{display:flex;flex-direction:column}.screen-auth{align-items:center;justify-content:center;background:linear-gradient( 180deg,rgba(255,255,255,0.28),rgba(255,255,255,0.06) ),var(--shell-gradient)}.auth-panel{display:grid;justify-items:center;width:100%;gap:0;padding:0 14px 48px;text-align:center}.auth-panel h1{margin:0;color:#303236;font-size:36px;font-weight:800;line-height:1.15}.auth-subtitle{margin:26px 0 0;color:#6d7178;font-size:16px;font-weight:400;line-height:1.35}.auth-form{display:grid;justify-items:center;gap:0;width:100%;margin-top:56px}.auth-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;opacity:0}.auth-code-slots{display:grid;grid-template-columns:repeat(4,58px);gap:14px;justify-content:center;width:100%;cursor:text}.auth-code-slot{width:58px;height:66px;border:1px solid #d9dde6;border-radius:8px;padding:0;background:rgba(255,255,255,0.72);box-shadow:0 2px 4px rgba(35,44,58,0.04);color:#303236;font:inherit;font-size:32px;font-weight:800;letter-spacing:0;line-height:66px;text-align:center;outline:0}.auth-code-slot:focus{border-color:#55a5ff;box-shadow:0 0 0 3px rgba(85,165,255,0.18),0 8px 22px rgba(49,117,204,0.08)}.auth-code-slot:disabled{opacity:0.68}.auth-submit{min-width:104px;min-height:54px;margin-top:44px;border:0;border-radius:8px;background:#9bcbfa;color:white;cursor:pointer;font-size:20px;font-weight:800}.auth-submit.is-ready{background:#4da3ff;box-shadow:0 10px 24px rgba(77,163,255,0.24)}.auth-submit:disabled{cursor:not-allowed}.auth-submit.is-pending{cursor:wait;opacity:0.68}.auth-status{min-height:24px;margin:28px 0 0;color:#8b9097;font-size:12px;line-height:1.55}.auth-status.is-error{color:#b44747}.screen-home{padding:0 28px calc(64px + env(safe-area-inset-bottom));justify-content:flex-end;background:linear-gradient( 180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.08) ),url("images/bg.png") top center / 100% auto no-repeat,var(--shell-gradient)}.step-label{margin:0 0 8px;color:var(--accent-dark);font-size:13px;font-weight:800}h2,p{letter-spacing:0}.home-cta{width:100%;min-height:80px;border:0;border-radius:999px;background:linear-gradient(100deg,#586cf7 0%,#6f6cff 48%,#8d74f5 100%);color:white;box-shadow:0 20px 44px rgba(92,96,230,0.28);font-weight:800;font-size:24px;letter-spacing:0;display:inline-flex;align-items:center;justify-content:center;gap:22px;cursor:pointer}.home-cta:hover,.home-cta:focus-visible{outline:0;background:linear-gradient(100deg,#4f63ed 0%,#6564f6 48%,#836bec 100%)}.voice-mark{width:36px;height:40px;display:inline-flex;align-items:center;justify-content:center;gap:4px;flex:0 0 auto}.voice-mark span{width:4px;border-radius:999px;background:rgba(255,255,255,0.94)}.voice-mark span:nth-child(1),.voice-mark span:nth-child(5){height:16px}.voice-mark span:nth-child(2),.voice-mark span:nth-child(4){height:25px}.voice-mark span:nth-child(3){height:34px}.screen-scene,.screen-voice{gap:16px;background:linear-gradient( 180deg,rgba(255,255,255,0.28),rgba(255,255,255,0.06) ),var(--shell-gradient)}.question-card,.selected-scene-card{border:1px solid var(--line);border-radius:8px;padding:14px;background:rgba(255,255,255,0.72);backdrop-filter:blur(12px)}.screen-header h2{margin:0;font-size:24px;line-height:1.22}.option-list{display:grid;gap:10px;margin-top:14px}.option-btn{width:100%;min-height:76px;border:1px solid var(--line);border-radius:8px;padding:13px;background:rgba(255,255,255,0.74);color:var(--ink);display:grid;grid-template-columns:1fr auto;gap:10px;text-align:left;cursor:pointer}.option-btn:hover,.option-btn:focus-visible{outline:0;border-color:var(--accent);background:var(--accent-soft)}.option-btn strong{display:block;font-size:16px;line-height:1.25}.option-btn span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.45}.option-arrow{color:var(--accent-dark);font-size:24px;line-height:1;align-self:center}.screen-header{display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:start;padding-top:4px}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);cursor:pointer;font-size:26px;line-height:1;padding-bottom:4px}.selected-scene-card{display:grid;gap:8px;background:linear-gradient( 135deg,rgba(238,241,255,0.94),rgba(228,248,246,0.8) )}.selected-scene-card strong{font-size:18px}.selected-scene-card span{color:var(--muted);font-size:13px;line-height:1.5}.voice-options .option-btn{min-height:88px}.screen-chat{padding:0;background:linear-gradient( 180deg,rgba(255,255,255,0.26),rgba(255,255,255,0.04) ),var(--shell-gradient)}.chat-header{height:72px;padding:12px 14px;display:grid;grid-template-columns:40px 1fr;gap:10px;align-items:center;background:rgba(248,252,255,0.94);border-bottom:1px solid var(--line)}.chat-header .icon-btn{background:transparent}.chat-person{display:flex;align-items:center;gap:10px;min-width:0}.avatar{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:white;font-weight:800;flex:0 0 auto}.chat-person h2{margin:0;font-size:17px;line-height:1.2}.chat-person p{margin:3px 0 0;color:var(--muted);font-size:12px}.chat-log{flex:1;min-height:0;padding:16px 12px 18px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.message{display:flex;gap:8px;align-items:flex-start}.message.is-user{justify-content:flex-end}.message.is-system{justify-content:center}.message-avatar{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:white;font-size:12px;font-weight:800;flex:0 0 auto}.bubble-wrap{max-width:78%}.bubble{border-radius:8px;padding:10px 12px;background:rgba(255,255,255,0.9);border:1px solid rgba(219,228,220,0.85);box-shadow:0 6px 18px rgba(42,54,48,0.08)}.is-user .bubble{background:var(--accent);color:white}.is-system .bubble{max-width:86%;background:rgba(244,248,255,0.9);border-color:rgba(102,113,242,0.18);color:#334056;text-align:center}.voice-bubble{min-width:188px;cursor:pointer}.voice-line{display:flex;align-items:center;gap:9px}.play-dot{width:28px;height:28px;border-radius:999px;display:grid;place-items:center;background:var(--accent);color:white;flex:0 0 auto;font-size:13px}.wave{height:18px;flex:1;min-width:80px;background:linear-gradient( 90deg,var(--accent) 18%,transparent 18% 28%,var(--accent) 28% 38%,transparent 38% 48%,var(--accent) 48% 58%,transparent 58% 68%,var(--accent) 68% 78%,transparent 78% );mask-image:linear-gradient( 90deg,transparent,#000 10%,#000 90%,transparent );opacity:0.6}.voice-time{color:var(--muted);font-size:12px;white-space:nowrap}.transcript{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.chat-actions{padding:10px 12px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(248,252,255,0.96)}.branch-panel{display:grid;gap:8px}.branch-btn{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;background:rgba(255,255,255,0.78);color:var(--ink);text-align:left;cursor:pointer}.branch-btn strong{display:block;font-size:14px;line-height:1.3}.branch-btn span{display:block;margin-top:4px;color:var(--muted);font-size:12px;line-height:1.4}.branch-btn:hover,.branch-btn:focus-visible{outline:0;border-color:var(--accent);background:var(--accent-soft)}.chat-status{margin-top:8px;color:var(--muted);font-size:12px;text-align:center;line-height:1.4}.restart-btn{width:100%;min-height:42px;border:0;border-radius:8px;background:var(--accent);color:white;font-weight:800;cursor:pointer}@media (min-width:431px){body{padding:22px 0}.phone-shell{min-height:calc(100vh - 44px);min-height:calc(100dvh - 44px);border-radius:20px}.screen{min-height:calc(100vh - 44px);min-height:calc(100dvh - 44px)}}@media (min-width:700px) and (max-width:1180px),(min-width:700px) and (max-width:1366px) and (hover:none) and (pointer:coarse){body{padding:24px 0}.phone-shell{width:min(620px,calc(100% - 48px));min-height:calc(100vh - 48px);min-height:calc(100dvh - 48px);border-radius:26px}.screen{min-height:calc(100vh - 48px);min-height:calc(100dvh - 48px);padding:26px}.screen-home{padding:0 46px calc(58px + env(safe-area-inset-bottom));background-position:center}.home-cta{min-height:98px;font-size:26px}.auth-panel{padding:0 32px 58px}.auth-panel h1{font-size:50px}.auth-subtitle{font-size:22px}.auth-code-slots{grid-template-columns:repeat(4,64px);gap:18px}.auth-code-slot{width:64px;height:72px}.screen-scene .option-list,.screen-voice .option-list{grid-template-columns:repeat(2,minmax(0,1fr))}.option-btn{min-height:116px;align-content:start}.voice-options .option-btn{min-height:126px}.screen-chat{padding:0}.chat-header{height:80px;padding:14px 18px}.chat-log{padding:20px 18px 22px;gap:16px}.bubble-wrap{max-width:72%}.voice-bubble{min-width:240px}.chat-actions{padding:14px 18px calc(16px + env(safe-area-inset-bottom))}}@media (max-width:360px){.bubble-wrap{max-width:84%}}