:root {
  --bg: #ece8df;
  --card: #f8f4eb;
  --ink: #20211e;
  --sub: #65645d;
  --line: #d8d0c2;
  --green: #222b24;
  --moss: #586554;
  --brown: #81654e;
  --sand: #d4c4aa;
  --deep: #111411;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans SC",
    Arial,
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg);
}

.cover {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  padding: 24px 22px 28px;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 54%, rgba(255, 253, 247, 0.86), rgba(236, 232, 223, 0.78) 34%, rgba(236, 232, 223, 1) 72%),
    var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cover-top {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.tag {
  width: fit-content;
  margin: 0;
  padding: 7px 12px;
  border: 1px solid rgba(32, 33, 30, 0.16);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.12em;
}

.cover-code {
  margin: 0;
  color: rgba(32, 33, 30, 0.52);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.material-label {
  width: fit-content;
  margin: 0 auto 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(32, 33, 30, 0.28);
  color: rgba(32, 33, 30, 0.64);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.cover-center {
  position: relative;
  z-index: 3;
  max-width: 670px;
  margin: auto;
  padding: 70px 0 54px;
  text-align: center;
  opacity: 0;
  transform: translateY(18px);
  animation: copyIn 900ms ease 520ms forwards;
}

.floating-media {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.float-loop-gif {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.float-tile {
  position: absolute;
  display: block;
  width: 96px;
  height: 116px;
  border-radius: 2px;
  opacity: 0;
  animation: tileIn 1400ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  visibility: hidden;
}

.float-tile img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
  object-fit: cover;
  filter: saturate(0.86) contrast(0.92);
  box-shadow: 0 24px 50px rgba(27, 25, 21, 0.14);
  animation: tileFloat 5.8s ease-in-out infinite;
}

.tile-a {
  left: -14px;
  top: 128px;
  width: 128px;
  height: 86px;
  --from-x: -86px;
  --from-y: 32px;
  animation-delay: 80ms;
}

.tile-b {
  right: 26px;
  top: 112px;
  width: 82px;
  height: 64px;
  --from-x: 86px;
  --from-y: -20px;
  animation-delay: 160ms;
}

.tile-b img {
  animation-delay: 300ms;
}

.tile-c {
  left: 38px;
  bottom: 126px;
  width: 78px;
  height: 114px;
  --from-x: -66px;
  --from-y: 72px;
  animation-delay: 260ms;
}

.tile-c img {
  animation-delay: 700ms;
}

.tile-d {
  right: 44px;
  bottom: 154px;
  width: 86px;
  height: 86px;
  --from-x: 72px;
  --from-y: 60px;
  animation-delay: 360ms;
}

.tile-d img {
  animation-delay: 1100ms;
}

.tile-e {
  left: 43%;
  top: 84px;
  width: 66px;
  height: 52px;
  --from-x: 0;
  --from-y: -78px;
  animation-delay: 460ms;
}

.tile-e img {
  animation-delay: 1500ms;
}

.tile-f {
  left: 34%;
  bottom: 64px;
  width: 62px;
  height: 86px;
  --from-x: -22px;
  --from-y: 86px;
  animation-delay: 560ms;
}

.tile-f img {
  animation-delay: 1900ms;
}

.tile-g {
  right: 28%;
  bottom: 74px;
  width: 78px;
  height: 58px;
  --from-x: 34px;
  --from-y: 76px;
  animation-delay: 660ms;
}

.tile-g img {
  animation-delay: 2300ms;
}

@keyframes tileIn {
  from {
    opacity: 0;
    transform: translate3d(var(--from-x), var(--from-y), 0) scale(0.72);
  }
  to {
    opacity: 0.78;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes tileFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  50% {
    transform: translate3d(0, -18px, 0) rotate(1.5deg);
  }
}

@keyframes copyIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1,
h2,
p,
dl {
  margin-top: 0;
}

h1 {
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 42px;
  line-height: 1.06;
  letter-spacing: 0;
}

.cover-center h1 {
  max-width: none;
  font-size: clamp(25px, 5.2vw, 42px);
  white-space: nowrap;
}

.summary {
  max-width: 560px;
  margin: 0 auto;
  color: rgba(32, 33, 30, 0.64);
  font-size: 17px;
  line-height: 1.7;
}

.chips {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.chips span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(248, 244, 235, 0.8);
  border: 1px solid rgba(32, 33, 30, 0.1);
  font-size: 13px;
}

.scene-entry {
  padding: 30px 12px 10px;
}

.section-head {
  padding: 0 6px 16px;
}

.section-head h2 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.16;
}

.scene-grid {
  display: grid;
  gap: 12px;
}

.scene-grid a {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  border-radius: 8px;
  color: #fffdf7;
  background: var(--deep);
}

.scene-grid img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.scene-grid a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 5, 0.06), rgba(5, 7, 5, 0.76));
}

.scene-grid div {
  position: absolute;
  z-index: 2;
  left: 16px;
  right: 16px;
  bottom: 16px;
}

.scene-grid span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 253, 247, 0.68);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.scene-grid strong {
  display: block;
  max-width: 520px;
  margin-bottom: 10px;
  font-size: 23px;
  line-height: 1.2;
}

.scene-grid em {
  display: inline-flex;
  padding: 7px 10px;
  border: 1px solid rgba(255, 253, 247, 0.34);
  border-radius: 999px;
  color: rgba(255, 253, 247, 0.86);
  font-style: normal;
  font-size: 13px;
}

.quick,
.quote,
.footer {
  padding: 28px 18px;
}

.quick h2,
.quote h2,
.footer h2 {
  margin-bottom: 14px;
  font-size: 25px;
  line-height: 1.2;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.choice-grid a {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 12px;
  align-items: start;
  min-height: 82px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 244, 235, 0.72);
  box-shadow: inset 0 0 0 1px rgba(255, 253, 247, 0.42);
}

.choice-grid span {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fffdf7;
  background: var(--green);
  font-weight: 900;
  font-size: 13px;
}

.choice-grid strong {
  font-size: 18px;
  line-height: 1.2;
}

.choice-grid em {
  color: var(--sub);
  font-style: normal;
  line-height: 1.55;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--brown);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.product {
  margin: 12px 12px 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.photo {
  position: relative;
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: rgba(255, 253, 247, 0.86);
  font-weight: 700;
  background: var(--green);
}

.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, transparent 18%, rgba(255, 253, 247, 0.2) 19%, transparent 24%),
    linear-gradient(160deg, transparent 38%, rgba(255, 253, 247, 0.16) 39%, transparent 45%);
}

.photo span {
  position: relative;
  z-index: 2;
}

.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-stone {
  background: linear-gradient(135deg, #4d5c51, #9d927f);
}

.photo-wall {
  background: #1f3026;
}

.photo-skin {
  background: linear-gradient(135deg, #6c705f, #c0ad92);
}

.photo > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #1f3026;
}

.series {
  margin: 10px 12px 22px;
  padding: 24px 12px 4px;
  border-radius: 8px;
  background: #e8dfd0;
}

.case,
.skin-compare,
.bench-product,
.concept-scene {
  margin: 12px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--card);
}

.case img,
.skin-compare img,
.bench-product img,
.concept-scene img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.case div,
.skin-compare div,
.bench-product div,
.concept-scene div {
  padding: 22px 18px 24px;
}

.case h2,
.skin-compare h2,
.bench-product h2,
.concept-scene h2 {
  margin-bottom: 10px;
  font-size: 25px;
  line-height: 1.2;
}

.case p,
.skin-compare p,
.bench-product p,
.concept-scene p {
  margin-bottom: 0;
  color: var(--sub);
  line-height: 1.7;
}

.bench-product {
  background: #efe5d4;
}

.bench-product img {
  aspect-ratio: 16 / 10;
}

.bench-product .badges {
  margin-top: 16px;
}

.concept-scene {
  background: var(--deep);
  color: #fffdf7;
}

.concept-scene p {
  color: rgba(255, 253, 247, 0.72);
}

.concept-scene .number {
  color: var(--sand);
}

.case-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px;
}

.wall-album {
  margin: 12px 12px 0;
  padding: 24px 18px;
  border-radius: 8px;
  background: #e8dfd0;
}

.wall-album h2 {
  margin-bottom: 8px;
  font-size: 25px;
  line-height: 1.2;
}

.wall-album p {
  margin: 0;
  color: var(--sub);
  line-height: 1.65;
}

.case-gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 8px;
}

.process-media {
  margin: 12px;
  padding: 24px 18px;
  border-radius: 8px;
  background: var(--green);
  color: #fffdf7;
}

.process-media h2 {
  margin-bottom: 8px;
  font-size: 25px;
  line-height: 1.2;
}

.process-media > p {
  margin-bottom: 16px;
  color: rgba(255, 253, 247, 0.76);
  line-height: 1.65;
}

.process-grid {
  display: grid;
  gap: 10px;
}

.process-grid figure {
  overflow: hidden;
  margin: 0;
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.08);
}

.process-grid figure:only-child {
  grid-column: 1 / -1;
}

.process-grid img,
.process-grid video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #111611;
}

.process-grid figcaption {
  padding: 10px 12px;
  color: rgba(255, 253, 247, 0.82);
  font-size: 14px;
}

.skin-build {
  margin: 12px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--card);
}

.skin-build img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.skin-build div {
  padding: 22px 18px 24px;
}

.skin-build h2 {
  margin-bottom: 10px;
  font-size: 25px;
  line-height: 1.2;
}

.skin-build p {
  margin-bottom: 0;
  color: var(--sub);
  line-height: 1.7;
}

.skin-case-video {
  margin: 12px;
  padding: 18px;
  border-radius: 8px;
  background: var(--deep);
}

.skin-case-video .eyebrow {
  color: var(--sand);
}

.skin-case-video video {
  display: block;
  width: min(100%, 420px);
  margin: 0 auto;
  border-radius: 8px;
  background: #111611;
  box-shadow: 0 18px 42px rgba(31, 28, 22, 0.22);
}

.series h2 {
  margin: 0 6px 16px;
  font-size: 24px;
  line-height: 1.22;
}

.stone-list {
  display: grid;
  gap: 12px;
}

.stone-list article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.stone-list video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--green);
}

.stone-list div {
  padding: 14px;
}

.stone-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.28;
}

.stone-list p {
  margin: 0;
  color: var(--sub);
  line-height: 1.55;
}

.content {
  padding: 22px 18px 24px;
}

.number {
  margin-bottom: 8px;
  color: var(--brown);
  font-weight: 800;
}

.content h2 {
  margin-bottom: 10px;
  font-size: 29px;
  line-height: 1.14;
}

.line {
  margin-bottom: 18px;
  color: var(--sub);
  font-size: 16px;
  line-height: 1.7;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -4px 0 16px;
}

.badges span {
  padding: 7px 10px;
  border-radius: 999px;
  color: #4c4c45;
  background: #e8dfd0;
  font-size: 13px;
  font-weight: 700;
}

dl {
  display: grid;
  gap: 10px;
}

dl div {
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

dt {
  float: left;
  width: 68px;
  color: var(--brown);
  font-weight: 800;
}

dd {
  margin: 0 0 0 78px;
  color: var(--sub);
  line-height: 1.65;
}

.quote {
  margin: 14px 12px 0;
  border-radius: 8px;
  background: var(--card);
}

.quote-list {
  display: grid;
  gap: 10px;
}

.quote-list div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.quote-list span {
  color: var(--brown);
  font-weight: 900;
}

.quote-list p {
  margin: 0;
  color: var(--sub);
  line-height: 1.65;
}

.footer {
  margin: 24px 12px 34px;
  border-radius: 8px;
  color: #fffdf7;
  background: var(--green);
}

.footer p {
  margin-bottom: 8px;
  color: rgba(255, 253, 247, 0.78);
  line-height: 1.65;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  border: 0;
  border-radius: 8px;
  background: var(--brown);
  color: #fffdf7;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.qr-open {
  overflow: hidden;
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(31, 28, 22, 0.62);
  opacity: 1;
  transition: opacity 0.22s ease;
}

.qr-modal[aria-hidden="true"] {
  pointer-events: none;
  opacity: 0;
}

.qr-panel {
  position: relative;
  width: min(100%, 360px);
  padding: 26px 22px 24px;
  border-radius: 8px;
  background: #fffdf7;
  box-shadow: 0 24px 70px rgba(31, 28, 22, 0.32);
  text-align: center;
  transform: translateY(0) scale(1);
  transition: transform 0.22s ease;
}

.qr-modal[aria-hidden="true"] .qr-panel {
  transform: translateY(10px) scale(0.98);
}

.qr-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: #e8dfd0;
  color: var(--deep);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.qr-panel h2 {
  margin: 0 0 16px;
  color: var(--deep);
  font-size: 24px;
  line-height: 1.2;
}

.qr-panel img {
  display: block;
  width: min(100%, 260px);
  margin: 0 auto 16px;
  border-radius: 8px;
}

.qr-panel p:last-child {
  margin: 0;
  color: var(--sub);
  font-size: 15px;
  line-height: 1.65;
}

@media (min-width: 700px) {
  .cover {
    border-radius: 0 0 18px 18px;
  }

  .product {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
  }

  .photo {
    min-height: auto;
  }

  .choice-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}