:root {
  --ink: #21140d;
  --paper: #ead9b7;
  --red: #9d2e26;
  --green: #244f4e;
  --gold: #d8ad68;
  --night: #090806;
  --minguo: "I.Ming", "LiSong Pro", "PMingLiU", "MingLiU", "Songti SC", "STSong", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", "Kaiti TC", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--minguo);
  background:
    radial-gradient(circle at 12% 8%, rgba(214, 74, 47, .28), transparent 20rem),
    radial-gradient(circle at 88% 18%, rgba(46, 103, 99, .34), transparent 23rem),
    linear-gradient(145deg, #173d3d 0%, #7e302d 48%, #c49558 100%);
}

button,
input,
select,
textarea {
  font: inherit;
}

.app {
  width: min(1040px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(14px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(280px, 340px);
  gap: 22px;
  align-items: start;
  justify-content: center;
}

.poster-shell {
  display: grid;
  place-items: center;
}

.phone-poster {
  width: min(430px, 100%);
  aspect-ratio: 9 / 16;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  overflow: hidden;
  background: #111;
  box-shadow: 0 26px 70px rgba(22, 10, 5, .44);
}

.poster-part {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.hero-part {
  background: #111;
}

.hero-part img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.08) saturate(.88) sepia(.12);
}

.hero-part::after,
.review-part::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 5, 4, .08), rgba(6, 5, 4, .18) 42%, rgba(6, 5, 4, .72)),
    radial-gradient(circle at 30% 15%, rgba(255, 229, 171, .24), transparent 8rem);
}

.film-grain {
  position: absolute;
  inset: 0;
  opacity: .26;
  mix-blend-mode: screen;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.1) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.14) 0 1px, transparent 1px 6px);
}

.hero-title {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 18px;
  color: #fff7df;
  text-align: right;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .64);
}

.hero-title span {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  letter-spacing: .24em;
}

.hero-title h1 {
  margin: 0;
  font-family: var(--kai);
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1.02;
  letter-spacing: .03em;
}

.hero-title small {
  display: block;
  margin-top: 4px;
  font-family: Georgia, serif;
  font-size: 18px;
  letter-spacing: .04em;
}

.qiaopi-part {
  background:
    radial-gradient(circle at 50% 48%, rgba(255, 252, 237, .86), rgba(235, 217, 181, .9) 52%, rgba(149, 105, 63, .72)),
    #e9d8b8;
}

#qiaopiCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.review-part {
  display: grid;
  place-items: center;
  padding: 24px;
  color: #fff4dc;
  background:
    radial-gradient(circle at 12% 16%, rgba(207, 68, 45, .34), transparent 9rem),
    radial-gradient(circle at 90% 84%, rgba(216, 173, 104, .18), transparent 9rem),
    linear-gradient(135deg, #193f3f 0%, #7c2f2d 64%, #111 100%);
}

.review-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  border-left: 3px solid rgba(239, 192, 105, .82);
  padding-left: 16px;
}

.review-inner span {
  display: inline-block;
  margin-bottom: 12px;
  color: #f2c470;
  font-size: 13px;
  letter-spacing: .26em;
}

.review-inner p {
  margin: 0;
  font-size: clamp(20px, 5vw, 30px);
  line-height: 1.42;
  font-weight: 600;
  text-shadow: 0 2px 9px rgba(0, 0, 0, .38);
}

.review-inner small {
  display: block;
  margin-top: 14px;
  color: rgba(255, 244, 220, .78);
  font-size: 12px;
  letter-spacing: .06em;
}

.controls {
  padding: 20px;
  color: #2f2016;
  background:
    radial-gradient(circle at 22% 8%, rgba(170, 49, 39, .09), transparent 9rem),
    rgba(255, 247, 224, .94);
  border: 1px solid rgba(255, 231, 185, .56);
  box-shadow: 0 22px 60px rgba(41, 20, 10, .28);
}

.brand p {
  margin: 0 0 8px;
  color: var(--red);
  font-weight: 700;
  letter-spacing: .08em;
}

.brand h2 {
  margin: 0 0 18px;
  font-size: 24px;
  line-height: 1.18;
}

label,
.field {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  color: #765d4a;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  color: var(--ink);
  background: #fff8e4;
  border: 1px solid rgba(87, 54, 32, .28);
  border-radius: 6px;
  padding: 10px 11px;
  outline-color: var(--green);
}

textarea {
  resize: vertical;
}

.upload input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.upload span,
.actions button,
.segmented button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.upload span {
  display: grid;
  place-items: center;
  color: #fff7dc;
  background: var(--green);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.segmented button {
  color: #775a45;
  background: #f6e7c0;
  border: 1px solid rgba(87, 54, 32, .18);
}

.segmented button.active {
  color: #fff7dc;
  background: var(--red);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.actions button:first-child {
  color: var(--ink);
  background: #efd8a2;
}

.actions button:last-child {
  color: #fff7dc;
  background: var(--red);
}

@media (max-width: 820px) {
  .app {
    grid-template-columns: 1fr;
  }

  .phone-poster {
    width: min(430px, 100%);
  }
}

@media (max-width: 460px) {
  .app {
    padding: 0;
  }

  .phone-poster {
    width: 100%;
    box-shadow: none;
  }

  .controls {
    box-shadow: none;
  }

  .grid,
  .actions {
    grid-template-columns: 1fr;
  }
}