:root{--ink:#171827;--muted:#7b7d91;--line:#e7e7ee;--pink:#f08ca8;--blue:#477be5}*{box-sizing:border-box}body{margin:0;background:#f7f7fa;color:var(--ink);font-family:Inter,"Microsoft YaHei",system-ui,sans-serif}.topbar{height:66px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff}.topbar>div{display:flex;align-items:center;gap:10px}.topbar small{color:var(--muted);font-size:12px;margin-left:4px}.brand-dot{width:11px;height:11px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 5px #fce7ef}.quiet{border:0;background:none;color:#606276;cursor:pointer}.workspace{max-width:1220px;margin:auto;display:grid;grid-template-columns:minmax(360px,1fr) minmax(400px,520px);gap:6vw;padding:54px 5vw}.editor{max-width:530px}.eyebrow{font-size:10px;letter-spacing:.2em;color:var(--pink)}h1{font-size:34px;line-height:1.2;font-weight:500;margin:14px 0 9px}p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 28px}label{display:block;position:relative;font-size:13px;color:#4b4d60;margin:16px 0}input,textarea{display:block;width:100%;margin-top:8px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px 13px;font:inherit;color:var(--ink);outline:0}input:focus,textarea:focus{border-color:#a7b9f1;box-shadow:0 0 0 3px #eef2ff}textarea{height:104px;resize:vertical;line-height:1.6}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.counter{position:absolute;right:10px;bottom:10px;color:#a1a3b2;font-size:11px}.music-picker,.photo-picker{border-top:1px solid var(--line);padding-top:18px;margin-top:24px}.label-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#4b4d60}.label-row small{color:var(--muted);font-size:11px}.music-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}.music-option{border:1px solid var(--line);background:#fff;border-radius:7px;padding:10px;text-align:left;cursor:pointer;color:#44475a}.music-option.selected{border-color:var(--pink);box-shadow:0 0 0 2px #fce7ef}.music-option strong{display:block;font-size:12px}.music-option span{font-size:10px;color:var(--muted)}.upload{margin:0;border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:#fff;cursor:pointer;font-size:12px}.upload input{display:none}.photo-list{display:flex;gap:8px;margin-top:12px;min-height:58px}.photo-thumb{width:58px;height:58px;border-radius:6px;object-fit:cover;border:1px solid var(--line)}.theme-row{display:flex;align-items:center;gap:8px;margin:24px 0;color:#4b4d60;font-size:13px}.theme{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 12px;color:#626477;cursor:pointer;font-size:12px}.theme.active{border-color:var(--pink);color:#bd5678;background:#fff5f8}.primary{width:100%;border:0;border-radius:8px;padding:15px;background:#1c1d2b;color:#fff;font-size:14px;cursor:pointer}.primary span{margin-left:12px;color:#ffb2c8}.privacy{text-align:center;font-size:11px;margin-top:12px}.preview-area{display:flex;flex-direction:column;align-items:center}.preview-label{font-size:11px;color:#9496a6;margin-bottom:14px}.phone{width:min(100%,330px);aspect-ratio:7/16;border-radius:30px;background:#111;border:6px solid #282a35;box-shadow:0 22px 60px #1d203422;position:relative;padding:13px}.phone-speaker{position:absolute;top:7px;left:50%;width:70px;height:8px;transform:translateX(-50%);border-radius:0 0 7px 7px;background:#262832;z-index:10}.stage{width:100%;height:100%;border-radius:20px;overflow:hidden;position:relative}.phone-home{position:absolute;bottom:5px;left:50%;width:65px;height:3px;border-radius:3px;background:#888;transform:translateX(-50%)}
@media(max-width:860px){.workspace{grid-template-columns:1fr;gap:35px;padding-top:30px}.editor{max-width:none}.preview-area{order:-1}.phone{width:min(66vw,330px)}}
.shot{position:absolute;inset:0;display:grid;place-items:center;padding:13%;text-align:center;opacity:0;transform:scale(1.06);pointer-events:none;transition:opacity .75s,transform .75s;background:#477be5;color:#fff;overflow:hidden}.shot:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:43px 43px;opacity:.16}.shot.active{opacity:1;transform:none;pointer-events:auto}.shot-content{position:relative;z-index:1;width:100%}.shot small{font-size:11px;letter-spacing:.08em;color:#dce6ff}.shot h2{font-size:clamp(28px,8vw,54px);font-weight:300;line-height:1.35;margin:18px 0}.shot h3{font-size:12px;font-weight:400;color:#dce6ff}.shot p{color:#dce6ff;font-size:13px}.cover-shot{background:linear-gradient(155deg,#5e93f1,#3768d2)}.end-shot{background:linear-gradient(155deg,#3c67cf,#213b98)}.open{margin-top:28px;border:1px solid #fff;background:#ffffff18;color:#fff;border-radius:30px;padding:12px 28px;cursor:pointer}.count{display:block;font-size:150px;font-weight:200;color:#fff0c0;margin-top:16px}.cake{margin:30px auto 0;width:76%;position:relative}.cake-body{height:90px;border-radius:12px 12px 22px 22px;background:linear-gradient(#ffb9b1,#e56d86);display:grid;place-items:center;font-size:20px}.cake-cream{height:22px;position:absolute;left:3%;right:3%;top:-8px;background:#fff0e6;border-radius:50%}.cake-plate{height:12px;border-radius:50%;background:#dbe4ff;margin-top:9px}.candle{font-size:42px;color:#ffe29b;margin-bottom:3px}.memories{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:24px;max-height:52vh;overflow:hidden}.memories img{width:43%;aspect-ratio:3/4;object-fit:cover;border:4px solid #fff;box-shadow:0 8px 18px #17245b55;transform:rotate(-4deg)}.memories img:nth-child(even){transform:rotate(4deg)}.big-message{font-family:Georgia,serif;font-size:clamp(18px,5vw,29px);line-height:1.7;text-align:left;margin:20px 0}.star-map{height:47vw;max-height:260px;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#1d356d,#081535 70%);border:1px solid #a8c2ff66;position:relative;margin:22px auto;overflow:hidden;box-shadow:0 0 35px #95b7ff33}.star-map i{position:absolute;width:var(--s);height:var(--s);border-radius:50%;background:#fff;box-shadow:0 0 5px #fff}.map-ring{position:absolute;inset:17%;border:1px solid #9bb9ff55;border-radius:50%}.map-line{position:absolute;height:1px;background:#afc8ff99;transform-origin:left center}.l1{width:43%;left:22%;top:40%;transform:rotate(25deg)}.l2{width:38%;left:42%;top:54%;transform:rotate(-35deg)}.l3{width:30%;left:31%;top:67%;transform:rotate(-10deg)}.moon{width:48vw;max-width:220px;aspect-ratio:1;border-radius:50%;background:#fff6d8;position:relative;margin:22px auto;box-shadow:0 0 35px #fff8}.moon:after{content:"";position:absolute;inset:-3%;border-radius:50%;background:#263e80;transform:translateX(calc((1 - var(--illum)) * 90%));transition:transform .8s}.constellation{font-size:31px;line-height:1.8;color:#ffe9a6;margin:20px 0;letter-spacing:8px}.export-stage{width:min(100vw,560px);height:min(100vh,1280px);aspect-ratio:7/16;position:relative;margin:auto;overflow:hidden;background:#477be5}.theme-pink .shot{background:#d9769b}.theme-night .shot{background:#30265f}.theme-pink .cover-shot,.theme-pink .end-shot{background:linear-gradient(155deg,#ef9bb4,#bf5d88)}.theme-night .cover-shot,.theme-night .end-shot{background:linear-gradient(155deg,#5a4caa,#2d245e)}
.music-float{position:absolute;right:12px;top:15px;z-index:8;width:31px;height:31px;border:1px solid #ffffffaa;border-radius:50%;background:#172d70aa;color:#fff;font-size:15px;cursor:pointer}
.cake{filter:drop-shadow(0 18px 16px #08183d66);transform:translateY(0);transition:transform .35s}.cake:hover{transform:translateY(-4px)}.cake-body{position:relative;height:112px;border-radius:14px 14px 25px 25px;background:linear-gradient(180deg,#f7b7aa 0,#e78484 32%,#c85f78 100%);box-shadow:inset 0 -14px 20px #a4496c44,inset 0 8px 10px #fff6}.cake-body:before,.cake-body:after{content:"";position:absolute;left:9%;right:9%;height:12px;border-radius:50%;background:#fff0e7;box-shadow:0 2px 5px #b45e7844}.cake-body:before{top:19px}.cake-body:after{top:60px}.cake-cream{height:32px;top:-13px;background:radial-gradient(ellipse at 20% 50%,#fff8f2 0 18%,transparent 19%),radial-gradient(ellipse at 52% 50%,#fff8f2 0 22%,transparent 23%),radial-gradient(ellipse at 82% 50%,#fff8f2 0 18%,transparent 19%),#f9e9df;border-radius:50%;box-shadow:0 4px 9px #a94d6b55}.cake-plate{height:15px;background:linear-gradient(#fff,#d5def8);box-shadow:0 3px 5px #10265e55}.candle{position:relative;font-size:45px;color:#ffe19a;text-shadow:0 0 9px #ffb947,0 0 20px #ff8b3d;animation:flame 1s ease-in-out infinite alternate}.candle:before{content:"";position:absolute;left:50%;top:17px;width:8px;height:13px;background:#fff3bd;border-radius:50%;transform:translateX(-50%);filter:blur(2px)}@keyframes flame{to{transform:scale(1.13) rotate(2deg);filter:brightness(1.18)}}.cake-prompt{font-size:14px;text-shadow:0 2px 8px #15285d}.cake.revealed .candle{animation:blow .7s forwards}.cake.revealed .cake-prompt{color:#fff;opacity:1}@keyframes blow{to{transform:scale(.7) translateY(-8px);opacity:.2}}
.shot h2,.cover-shot h2{font-family:"STKaiti","KaiTi","FZKai-Z03","Segoe Script",cursive;letter-spacing:.04em;text-shadow:0 3px 16px #152c7144}.big-message{font-family:"STKaiti","KaiTi","FZKai-Z03","Segoe Script",cursive;font-size:clamp(21px,5.5vw,32px)}.cake{display:block;border:0;background:none;color:#fff;width:78%;padding:0;margin:25px auto 0;cursor:pointer;font:inherit;position:relative}.cake:focus-visible{outline:2px solid #fff;outline-offset:6px}.cake-body,.cake-cream,.cake-plate,.candle,.cake-prompt{display:block}.cake-prompt{font-family:"STKaiti","KaiTi",cursive;font-size:13px;color:#ffe9c6;margin-top:15px;animation:prompt-pulse 1.8s ease-in-out infinite}.cake.revealed{animation:cake-pop .7s ease-out}@keyframes cake-pop{0%{transform:scale(.85)}65%{transform:scale(1.06)}100%{transform:scale(1)}}@keyframes prompt-pulse{50%{opacity:.45;transform:translateY(3px)}}.letter{position:relative;padding:24px 20px 22px;background:#fffaf1;color:#3a3040;border-radius:3px;box-shadow:0 14px 35px #091c5638;transform:rotate(-1deg);text-align:left}.letter:before{content:"";position:absolute;inset:9px;border:1px solid #e8cfc7;pointer-events:none}.letter p{color:#6e5360;margin:0 0 13px;font-family:"STKaiti","KaiTi",cursive;font-size:clamp(18px,4.8vw,27px);line-height:1.65}.letter .salutation{font-size:14px;color:#b15f7e;margin-bottom:11px}.letter .signature{text-align:right;font-size:14px;color:#b15f7e;margin:16px 0 0}.letter-scene .shot-content{max-width:94%}
.stage.theme-blue .shot{background:linear-gradient(145deg,#4f86e9,#294eae)!important}.stage.theme-pink .shot{background:linear-gradient(145deg,#ed9ab7,#b74f7d)!important}.stage.theme-night .shot{background:linear-gradient(145deg,#6656b3,#291f62)!important}.stage.theme-blue .star-shot{background:radial-gradient(circle at 50% 42%,#33549f,#0b163c 68%)!important}.stage.theme-pink .star-shot{background:radial-gradient(circle at 50% 42%,#883f78,#241237 68%)!important}.stage.theme-night .star-shot{background:radial-gradient(circle at 50% 42%,#4d408d,#100b2b 68%)!important}.stage .star-shot .star-map{position:absolute;left:50%;top:50%;margin:0;transform:translate(-50%,-50%);width:min(68%,360px);height:auto}.stage .star-shot .shot-content>small{position:absolute;left:0;right:0;top:8%;z-index:3}.stage .star-shot h3{position:absolute;left:0;right:0;bottom:8%;z-index:3}.stage .star-shot .shot-content:after{position:absolute;left:0;right:0;bottom:3%}.music-control{position:absolute;right:10px;top:12px;z-index:9;display:flex;align-items:center;gap:7px;color:#fff;font-size:10px;text-shadow:0 1px 4px #000}.music-control .music-float{position:static}.music-float.playing{animation:music-spin 3s linear infinite}@keyframes music-spin{to{transform:rotate(360deg)}}
.preview-area{position:sticky;top:18px;align-self:start;max-height:calc(100vh - 36px);padding-bottom:16px}.phone{width:min(78vw,292px);height:auto;max-height:calc(100vh - 92px);aspect-ratio:9/16;padding:11px;border-width:5px}.stage{width:100%;height:100%;aspect-ratio:9/16;border:1px solid #ffffff55;border-radius:18px}.phone-speaker{top:5px}.phone-home{bottom:4px}.stage-hint{position:absolute;z-index:10;left:50%;bottom:10px;transform:translateX(-50%);width:max-content;max-width:80%;padding:6px 10px;border-radius:14px;background:#0a164d66;color:#eef3ff;font-size:9px;letter-spacing:.04em;pointer-events:none;backdrop-filter:blur(5px)}.shot{padding:10% 11% 14%}.shot .shot-content{max-height:100%}.shot:nth-of-type(5) .shot-content{display:flex;flex-direction:column;justify-content:center;height:100%}.shot:nth-of-type(5) .cake{width:72%;margin:18px auto 0}.shot:nth-of-type(5) .cake-body{height:96px}.shot:nth-of-type(5) .cake-prompt{margin-top:10px}.shot:nth-of-type(5) .memories{display:none}
.star-shot .map-ring{transform:translate(calc(var(--px,0) * 7px),calc(var(--py,0) * 7px))}.star-shot .map-line{filter:drop-shadow(0 0 3px #adc8ff);opacity:.9}.star-shot .star-map i{animation:twinkle 2.4s ease-in-out infinite alternate}.star-shot .star-map i:nth-child(3n){animation-delay:.7s}.star-shot .star-map i:nth-child(5n){animation-delay:1.2s}@keyframes twinkle{from{opacity:.35;transform:scale(.8)}to{opacity:1;transform:scale(1.35)}}
.phone,.export-stage,.stage{aspect-ratio:9/16}.phone{height:auto}.stage{aspect-ratio:9/16}.photo-scene .memories{margin-top:24px;max-height:64%;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.photo-scene .memories img{width:100%;aspect-ratio:4/5}.photo-empty{border:1px dashed #ffffff88;padding:20px;color:#dce6ff;margin-top:22px}.stage .star-shot .star-map{width:min(82%,330px);height:auto;aspect-ratio:1;max-width:330px;max-height:330px;left:50%;top:50%;margin:0;transform:translate(-50%,-50%)}.stage .star-shot .shot-content{height:100%;max-width:100%;display:block}.stage .star-shot .shot-content>small{top:7%}.stage .star-shot h3{bottom:7%}
.phone,.export-stage{aspect-ratio:9/16}.phone{height:auto}.stage{aspect-ratio:9/16}.star-shot .star-map{width:min(88%,360px);height:auto;aspect-ratio:1;margin-left:auto;margin-right:auto}.star-shot .shot-content{align-items:center;text-align:center;justify-content:center}.theme-pink .shot{background:#d9769b}.theme-night .shot{background:#30265f}
.site-footer{padding:18px 16px 24px;text-align:center;color:#586174;font-size:13px;line-height:1.7}.site-footer p{display:flex;align-items:center;justify-content:center;gap:6px 12px;flex-wrap:wrap;margin:0}.site-footer a{color:#2563eb;text-decoration:none}.site-footer a:hover,.site-footer a:focus-visible{text-decoration:underline}.site-footer .public-security-record{display:inline-flex;align-items:center;gap:5px;color:#586174}.public-security-record img{display:block;width:20px;height:20px;object-fit:contain}
.shot:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,#ffffff12 50%,transparent 80%);transform:translateX(-100%);animation:sheen 7s ease-in-out infinite}.shot:nth-of-type(2){background:linear-gradient(145deg,#4f86e9,#315fc4)}.shot:nth-of-type(3){background:linear-gradient(145deg,#3d72d9,#2649aa)}.shot:nth-of-type(4){background:linear-gradient(145deg,#315abb,#203b91)}.shot:nth-of-type(5){background:linear-gradient(145deg,#3f6fd5,#1d387f)}.shot:nth-of-type(6){background:linear-gradient(145deg,#345fc6,#192f70)}.shot:nth-of-type(7){background:linear-gradient(145deg,#2d55b2,#15285e)}@keyframes sheen{0%,65%{transform:translateX(-100%)}85%,100%{transform:translateX(100%)}}
.shot-content{filter:drop-shadow(0 8px 18px #0c1b522b)}.shot-content small{display:block;opacity:.9}.big-message{background:linear-gradient(90deg,#fff,#dbe6ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none}.star-shot{padding:7%;background:radial-gradient(circle at 50% 35%,#304d98 0,#101c4b 42%,#070d27 100%)!important}.star-shot .shot-content{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%}.star-shot .shot-content small{margin-bottom:2px}.star-shot .star-map{width:min(94vw,410px);height:min(68vh,410px);max-height:none;margin:10px auto 14px;border-radius:50%;background:radial-gradient(circle at 38% 30%,#4465bd 0,#1b3274 35%,#091639 78%,#040a20 100%);box-shadow:0 0 18px #a6c4ff44,0 0 85px #6f8eff33,inset 0 0 40px #020617aa;animation:space-drift 13s ease-in-out infinite}.star-shot .map-ring{inset:11%;border-color:#b3cbff55;box-shadow:0 0 22px #7ea2ff22}.star-shot .star-map:before{content:"";position:absolute;inset:4%;border:1px solid #c2d5ff2b;border-radius:50%;background:conic-gradient(from 30deg,transparent,#91aeff18,transparent 25%,#fff10 45%,transparent 65%)}.star-shot .star-map:after{content:"";position:absolute;width:46%;height:26%;left:25%;top:22%;background:#96b6ff1c;border-radius:50%;filter:blur(18px);transform:rotate(-22deg)}@keyframes space-drift{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.035) rotate(1deg)}}.star-shot h3{letter-spacing:.12em;margin:0;color:#d5e2ff}.star-shot .shot-content:after{content:"专属星空 · 生日时刻";font-size:10px;letter-spacing:.18em;color:#a9bff5;margin-top:12px}.moon{box-shadow:0 0 35px #fff8,0 0 80px #aabfff44}.end-shot .shot-content{padding-top:10%}