:root{color-scheme:light;font-family:system-ui,'Microsoft YaHei',sans-serif;color:#344f5b;background:#f3f5f4}*{box-sizing:border-box}body{margin:0}header{max-width:920px;margin:auto;padding:20px;display:flex;gap:20px;align-items:center;justify-content:space-between;border-bottom:1px solid #dce4e5}header a{font-weight:600;color:#385c6b;text-decoration:none}header span{font-size:13px;color:#74848b}main{max-width:820px;margin:30px auto;padding:0 20px 60px}h1{font:500 29px/1.5 system-ui;margin:0 0 20px}h2{font-size:21px;font-weight:500;margin-top:26px}h3{font-size:17px;font-weight:500}p{color:#637c87;line-height:1.8}label{display:block;margin:21px 0 13px}small{display:block;color:#788991;font-size:12px;line-height:1.8;margin:6px 0}em{font-style:normal;font-size:12px;color:#b07467}input,textarea,select{display:block;font:inherit;color:#344f5b;background:#fff;border:1px solid #cbd8dc;border-radius:8px;padding:11px;width:100%;margin-top:8px}input[type=file]{font-size:14px}textarea{resize:vertical}button{font:inherit;border:1px solid #bcced5;border-radius:22px;background:#fff;color:#43616e;padding:10px 17px;cursor:pointer}button:disabled{opacity:.5;cursor:default}button.primary{color:#fff8ea;background:#416575;border-color:#416575}button:focus-visible,a:focus-visible{outline:3px solid #b4cfdd;outline-offset:3px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0}.actions a{color:#527b8d}nav{display:flex;flex-wrap:wrap;gap:8px}nav .active{background:#d8e6eb;border-color:#8caebd}.themes{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.themes button{padding:8px;border-radius:10px;text-align:left}.themes button.selected{outline:2px solid #608497;outline-offset:2px}.thumb{display:block;height:145px;position:relative;overflow:hidden;border-radius:6px}.thumb.paper{background:#e7e4d8}.thumb.sky{background:#c4e1ef}.thumb.night{background:#223a55}.mini-card{display:block;position:absolute;left:25%;top:20%;background:#fff4dc;border:1px solid #cbb998;box-shadow:5px 8px #9ba8a733;transform:rotate(-10deg);width:54%;height:70%;padding:15px 8px;text-align:center;font:italic 16px Georgia;color:#87765b}.mini-ball{position:absolute;left:19%;top:25%;border-radius:50%;width:62px;height:75px;background:#d9bfd3;color:#fff;font:35px/75px Georgia;text-align:center;box-shadow:inset -7px -6px 12px #ad92a666,inset 8px 5px 12px #fff9}.mini-ball.right{left:51%;top:16%;background:#d8e5cf}.mini-moon{display:block;color:#f4d89c;font:100px Georgia;text-align:center}.themes b{display:block;margin:10px 5px 0;font-weight:500}.themes small{margin:5px}.audio-field{padding:16px;border-left:3px solid #bdcfd7;margin:25px 0;background:#eaf0f1}.audio-field input{background:#fff}.audio-field button{margin:10px 7px 5px 0}audio{width:100%;margin-top:10px}.media-preview{display:flex;gap:10px;flex-wrap:wrap}.media-preview img{max-width:110px;height:130px;object-fit:contain;background:#e1e7e7;border:4px solid #fff}.media-preview button{font-size:12px;padding:5px 10px;margin:5px}.greeting{border-top:1px solid #cbd9dd;padding:20px 0}.greeting p{white-space:pre-wrap;overflow-wrap:anywhere}.greeting img{max-width:150px;max-height:150px}.greeting audio{max-width:380px;display:block}.greeting button{margin-right:9px}details{margin:28px 0}summary{cursor:pointer;color:#537b8d}.check{display:flex;gap:10px;align-items:center}.check input{width:auto;margin:0}#notice,#guestStatus{color:#875b4d;white-space:pre-wrap}#saveState{font-size:12px;color:#74878e}#air{display:block;width:100%;height:12px;accent-color:#638da1}.inflation{height:230px;display:grid;place-items:center;overflow:hidden}#guestBalloon{width:155px;height:178px;background:radial-gradient(ellipse at 30% 20%,#ffffffc0,transparent 42%),linear-gradient(135deg,#e6cddc,#c7a5bd);border-radius:50% 50% 48% 48%;box-shadow:inset -10px -13px 22px #98758e40,0 12px 22px #7f9ba51a;transform:scale(.22);transition:transform .4s cubic-bezier(.18,1.5,.45,1);position:relative;display:grid;place-items:center;text-align:center;padding:12px;color:#6e5271}#guestBalloon:after{content:'';position:absolute;top:100%;left:50%;width:1px;height:70px;background:#9d879d}#guestBalloon.star{border-radius:0;clip-path:polygon(50% 0,63% 33%,100% 37%,72% 62%,80% 100%,50% 78%,20% 100%,28% 62%,0 37%,37% 33%)}#guestBalloon.glass{opacity:.7;background:radial-gradient(ellipse at 30% 20%,#fff,transparent 40%),#c9dae050;border:2px solid #fff}#guestBalloon img{width:100%;height:100%;object-fit:cover;border-radius:50%}.checklist{padding:12px 0;line-height:2;color:#637c87}[hidden]{display:none!important}@media(max-width:550px){.themes{grid-template-columns:1fr}.themes button{display:grid;grid-template-columns:100px 1fr;align-items:center}.thumb{grid-row:span 2;height:95px}.mini-card{font-size:12px;padding:9px 4px}.mini-ball{width:38px;height:48px;font-size:25px;line-height:48px}.mini-moon{font-size:72px}header span{display:none}main{margin-top:22px}h1{font-size:25px}button{min-height:44px}}
#themeOptions {grid-template-columns:repeat(4,minmax(0,1fr))}
#themeOptions button {display:block;min-width:0}
@media(max-width:680px) {
  #themeOptions {grid-template-columns:repeat(2,minmax(0,1fr))}
}
#themeOptions .theme-thumb {
  display:grid;
  place-items:center;
  background:var(--desk);
}
#themeOptions .theme-thumb .mini-card {
  display:grid;
  place-items:center;
  width:72%;
  min-height:48px;
  padding:6px 20% 6px 5%;
  position:relative;
  inset:auto;
  background:var(--paper);
  color:var(--ink);
  border:1px solid var(--edge);
  box-shadow:2px 4px 7px #26212c29;
  font:italic 600 12px Georgia,serif;
  text-align:center;
  transform:none;
}
#themeOptions .mini-card::after {
  content:"";
  position:absolute;
  right:12%;
  top:27%;
  width:16%;
  aspect-ratio:.85;
  border-radius:50%;
  background:radial-gradient(at 30% 28%,#ffffffa0,transparent 45%),var(--foil);
}
.result-preview {
  margin-top:18px;
  padding:14px 16px;
  border:1px solid #d5e2e2;
  border-radius:10px;
  background:#fbfcfa;
}
.result-preview h3 {margin:0 0 8px}
.result-stages {margin:0 0 12px;padding-left:20px}
.result-stages li {margin:4px 0;color:#4e6670;line-height:1.55}
.result-stages b {margin-right:.45em;color:#344f5b}
.selected-scenes {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:8px;max-width:570px}
.selected-scenes figure {min-width:0;margin:0;background:#fff;border:1px solid #e1e7e4;border-radius:9px;overflow:hidden}
.selected-scenes img {display:block;width:100%;height:auto;aspect-ratio:5/4;object-fit:cover;background:#e4e9e8}
.selected-scenes figcaption {padding:7px 9px;font-size:13px;color:#344f5b}
.selected-scenes figcaption span {display:block;font-size:12px;color:#526873}
.demo-link {display:inline-block;color:#355a6c;text-underline-offset:3px;padding:5px 0}
.scene-options {margin:16px 0 0}
.scene-options h3 {margin:14px 0 4px}
.scene-options p {margin:4px 0 8px}
.orbit-options {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:660px}
.orbit-options button {padding:7px;min-width:0;border-radius:9px;text-align:left}
.orbit-options img {display:block;width:100%;height:auto;aspect-ratio:360/204;object-fit:cover;border-radius:5px;background:#dae5e7}
.orbit-options b,.orbit-options small {display:block;margin:5px 4px 0}
.orbit-options [aria-pressed="true"] {outline:2px solid #608497;outline-offset:1px;background:#f4f9f8}
.cake-options {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-width:660px}
.cake-options button {min-width:0;padding:5px;border-radius:9px;text-align:left}
.cake-options img {display:block;width:100%;height:auto;aspect-ratio:5/4;object-fit:cover;border-radius:5px;background:#e4e9e8}
.cake-options b {display:block;margin:5px 2px;font-size:clamp(12px,2.9vw,15px)}
.cake-options small {min-height:1.8em;margin:0 2px;color:#526873}
.cake-options [aria-pressed="true"] {outline:2px solid #608497;outline-offset:1px;background:#f4f9f8}
#coverPhotoField[hidden] {display:none}
.memory-fields {display:grid;gap:12px}
.memory-field {
  display:grid;
  grid-template-columns:minmax(80px,128px) minmax(0,1fr);
  gap:14px;
  padding:12px;
  background:#fbfcfb;
  border:1px solid #dce5e3;
  border-radius:10px;
}
.memory-thumb img {width:100%;aspect-ratio:1.25;object-fit:cover;border-radius:6px}
.memory-thumb button {margin-top:5px;padding:5px 9px}
.memory-field label {margin:0 0 8px}
.memory-voice summary {cursor:pointer}
.memory-voice audio {width:100%;margin-top:6px}
.preview-shortcut {margin-top:12px}
[data-preview-status] {margin:6px 0 0;color:#795044;flex-basis:100%;font-size:14px}
[data-preview-status]:empty {margin:0;display:none}