:root{--night:#151226;--paper:#fff8f0;--rose:#ef8797;--gold:#e8c48b;--ink:#29232a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--night);color:var(--paper);font-family:"Microsoft YaHei",sans-serif;overflow-x:hidden}button{font:inherit;cursor:pointer}#sky{position:fixed;inset:0;width:100%;height:100%;z-index:-1}.screen{min-height:100svh;display:flex;flex-direction:column;justify-content:center;max-width:760px;margin:auto;padding:48px 24px}.intro{text-align:center;align-items:center}.hero-photo{width:min(86vw,312px);aspect-ratio:1;position:relative;padding:8px;border:1px solid #ffffff60;border-radius:50%;box-shadow:0 0 0 12px #ef879710,0 0 100px #ef879745;margin-bottom:30px}.hero-photo:before{content:"";position:absolute;inset:-18px;border:1px solid #e8c48b55;border-radius:50%;animation:float 6s ease-in-out infinite}.hero-photo img{width:100%;height:100%;object-fit:cover;border-radius:50%;filter:saturate(.9) contrast(1.05)}.hero-photo:after{content:"";position:absolute;inset:0;border-radius:50%;background:linear-gradient(160deg,transparent 45%,#4d193d70)}.hero-photo span{position:absolute;z-index:1;bottom:-14px;left:50%;transform:translateX(-50%);white-space:nowrap;background:#21192b;padding:7px 13px;border-radius:20px;color:var(--gold);font:13px Georgia;letter-spacing:2px}@keyframes float{50%{transform:scale(1.06) rotate(6deg)}}.kicker{font-size:11px;letter-spacing:3px;color:var(--gold);font-weight:700}h1,h2,h3{font-family:Georgia,"Microsoft YaHei",serif;font-weight:400;margin:14px 0;line-height:1.35}h1{font-size:clamp(39px,8vw,70px)}h2{font-size:clamp(32px,6vw,56px)}h3{font-size:26px}em{font-style:normal;color:var(--rose)}.sub{max-width:530px;color:#e0d4d5;line-height:1.95;margin:8px auto 22px}.secret-line{color:#d6c9cc;font-size:14px}.secret-line b{color:var(--gold);font-weight:500}.start-btn{margin-top:14px;padding:16px 27px;border:1px solid #ffd2d9;background:linear-gradient(135deg,#f48a9a,#d85d77);box-shadow:0 10px 28px #e9708b50}.start-btn span{font-size:19px;margin-left:8px}.feedback{min-height:22px;color:#ffb1ba;font-size:13px}.progress{height:2px;background:#ffffff20;margin-top:16px}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--rose),var(--gold));width:33%;transition:.5s}.question{margin:auto 0}.question>p:first-child{color:#d7c9cd}.question h2{margin:10px 0 16px}.choose{color:#a99fa4;font-size:14px}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.choice-grid button{min-height:64px;padding:12px;background:#ffffff0d;border:1px solid #ffffff30;color:#fff;text-align:left;transition:.25s}.choice-grid button:hover,.choice-grid button:active{background:#ef879735;border-color:var(--rose);transform:translateY(-2px)}.story-head{max-width:820px;margin:auto;padding:120px 24px}.story-head>p:last-child{max-width:650px;line-height:2;color:#ddd1d3}.timeline{max-width:1040px;margin:auto;padding:0 24px}.timeline article{display:grid;grid-template-columns:1.2fr 1fr;gap:42px;align-items:center;margin-bottom:110px}.timeline article:nth-child(even) img{order:2}.timeline img{width:100%;height:520px;object-fit:cover;border-radius:8px;box-shadow:0 24px 70px #0008}.timeline small{color:var(--gold);letter-spacing:2px}.timeline p{color:#d2c5c8;line-height:1.8}.letter-invite,.promise{text-align:center;max-width:900px;margin:auto;padding:110px 24px}.letter-invite{border-top:1px solid #ffffff1f;border-bottom:1px solid #ffffff1f}.promise{min-height:90svh;display:flex;flex-direction:column;align-items:center;justify-content:center}.promise p{color:#d3c6c9}.icon-btn{position:fixed;right:18px;bottom:18px;z-index:9;width:46px;height:46px;padding:0;border-radius:50%;background:var(--paper);color:#8e4b60;box-shadow:0 8px 30px #0006;font-size:22px}.icon-btn.playing{animation:pulse 2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 8px #ef879728}}dialog{width:min(620px,calc(100% - 32px));max-height:88vh;overflow:auto;border:0;border-radius:8px;background:var(--paper);color:var(--ink);padding:52px;box-shadow:0 30px 100px #000}dialog::backdrop{background:#0c0916dd;backdrop-filter:blur(8px)}dialog h2{font-size:36px}.letter-copy{line-height:2;color:#655c60}.signature{text-align:right;color:#cf6578;font-family:Georgia,serif}.close{position:absolute;right:12px;top:10px;background:none;color:#77696d;font-size:28px;padding:6px 12px}.final-message{position:fixed;inset:0;z-index:20;display:none;place-items:center;text-align:center;padding:24px;background:#161022eb}.final-message.show{display:grid}.final-message p{color:var(--gold);letter-spacing:5px}.final-message span{color:var(--rose)}
@media(max-width:650px){.screen{padding:38px 18px}.hero-photo{width:220px}.choice-grid{grid-template-columns:1fr}.timeline{padding:0 18px}.timeline article,.timeline article:nth-child(even){display:flex;flex-direction:column;gap:18px;margin-bottom:76px;align-items:stretch}.timeline article:nth-child(even) img{order:0}.timeline img{height:auto;aspect-ratio:4/5}.timeline article:nth-child(3) img{aspect-ratio:16/10}dialog{padding:42px 24px}dialog h2{font-size:29px}}
.answer-row{display:flex;gap:10px;width:min(100%,620px);margin-top:25px}.answer-row input{display:block;min-width:0;flex:1;height:58px;padding:0 18px;border:1px solid #ffffff45;border-radius:7px;background:#ffffff10;color:#fff;font:18px "Microsoft YaHei",sans-serif;outline:none;caret-color:#fff;touch-action:manipulation;-webkit-user-select:text;user-select:text}.answer-row input::placeholder{color:#ffffff65}.answer-row input:focus{border-color:var(--rose);background:#ffffff16;box-shadow:0 0 0 4px #ef87971f}.answer-row button{min-width:116px;border:0;border-radius:7px;background:linear-gradient(135deg,#f48a9a,#d85d77);color:#fff;font-weight:700}@media(max-width:650px){.answer-row{flex-direction:column}.answer-row button{min-height:52px}}
.start-btn,.answer-row button,#enter{color:#fff!important;text-decoration:none!important}
#quiz.screen{justify-content:flex-start;padding-top:48px}
#quiz .question{margin:clamp(56px,12vh,120px) 0 0;padding:28px clamp(18px,4vw,42px);border:1px solid #ffffff1f;border-radius:14px;background:linear-gradient(145deg,#ffffff0d,#ffffff03);box-shadow:0 22px 70px #0003}
#quiz .question h2{max-width:760px}
@media(max-width:650px){#quiz.screen{padding-top:30px}#quiz .question{margin-top:70px;padding:24px 18px}.question h2{font-size:clamp(30px,9vw,44px)}}
 .question.correct{animation:answerGlow .65s ease}.question.wrong{animation:answerShake .35s ease}.timeline article,.letter-invite,.promise{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}.timeline article.reveal,.letter-invite.reveal,.promise.reveal{opacity:1;transform:none}.timeline img{transition:transform .5s ease,box-shadow .5s ease}.timeline img:hover{transform:scale(1.02) rotate(.4deg);box-shadow:0 30px 85px #000a}.music-toast{position:fixed;right:18px;bottom:76px;z-index:8;padding:10px 14px;border:1px solid #ffffff2b;border-radius:20px;background:#21192bdd;color:#f7e7dd;font-size:12px;opacity:0;transform:translateY(8px);transition:.3s}.music-toast.show{opacity:1;transform:none}@keyframes answerGlow{50%{box-shadow:0 0 0 8px #ef879744,0 22px 70px #0003}}@keyframes answerShake{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}