:root {
  color-scheme: dark;
  --bg: #08090d;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --ink: #f5f7fb;
  --muted: #9aa4b2;
  --line: rgba(255, 255, 255, 0.12);
  --blue: #72c8ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(84, 169, 255, 0.24), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(93, 230, 255, 0.12), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

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

button {
  border: 0;
  color: inherit;
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.page {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 49px 22px 54px;
}

.hero {
  display: grid;
  position: relative;
  min-height: 72vh;
  align-content: center;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}

.hero > :not(.ai-bg) {
  position: relative;
  z-index: 1;
}

.ai-bg {
  position: absolute;
  inset: 4% -8% 12%;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.ai-bg::before {
  content: "";
  position: absolute;
  inset: 18% 20%;
  border: 1px solid rgba(114, 200, 255, 0.11);
  border-radius: 50%;
  transform: rotate(-12deg);
  filter: blur(0.2px);
}

.ai-bg::after {
  content: "✦  ◈  ⌘";
  position: absolute;
  right: 12%;
  bottom: 18%;
  color: rgba(114, 200, 255, 0.055);
  font-size: clamp(38px, 8vw, 92px);
  font-weight: 800;
  line-height: 1;
}

.ai-bg span {
  position: absolute;
  display: grid;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-items: center;
  padding: 0;
  border: 1px solid rgba(114, 200, 255, 0.065);
  border-radius: 13px;
  background: rgba(114, 200, 255, 0.014);
  box-shadow: 0 0 30px rgba(114, 200, 255, 0.025);
  color: rgba(222, 241, 255, 0.075);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

.ai-bg span::before {
  display: none;
}

.ai-bg .brand-mark img {
  width: 27px;
  height: 27px;
  opacity: 0.46;
  filter: invert(82%) sepia(18%) saturate(1260%) hue-rotate(169deg) brightness(106%);
}

.ai-bg span:nth-child(1) {
  top: 13%;
  left: 9%;
}

.ai-bg span:nth-child(2) {
  top: 8%;
  right: 18%;
}

.ai-bg span:nth-child(3) {
  top: 28%;
  left: 18%;
}

.ai-bg span:nth-child(4) {
  top: 26%;
  right: 7%;
}

.ai-bg span:nth-child(5) {
  top: 61%;
  left: 9%;
}

.ai-bg span:nth-child(6) {
  top: 49%;
  right: 13%;
}

.ai-bg span:nth-child(7) {
  top: 65%;
  left: 15%;
}

.ai-bg span:nth-child(8) {
  top: 70%;
  right: 4%;
}

.ai-bg span:nth-child(9) {
  top: 82%;
  left: 30%;
}

.ai-bg span:nth-child(10) {
  top: 12%;
  left: 38%;
}

.ai-bg span:nth-child(11) {
  top: 77%;
  right: 28%;
}

.ai-bg span:nth-child(12) {
  top: 36%;
  right: 31%;
}

.ai-bg span:nth-child(13) {
  top: 59%;
  left: 36%;
}

.ai-bg span:nth-child(14) {
  top: 21%;
  left: 62%;
}

.ai-bg span:nth-child(15) {
  top: 88%;
  right: 42%;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px rgba(114, 200, 255, 0.45);
}

.contact .section-label::before {
  display: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.05;
  letter-spacing: 0;
}

h1 span {
  display: inline;
  margin: 0;
  color: inherit;
  font-size: 1em;
  font-weight: inherit;
}

.brand-title {
  margin-bottom: 16px;
  color: var(--blue);
}

.positioning {
  display: grid;
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 14px 20px 15px;
  border-top: 1px solid rgba(114, 200, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(90deg, transparent, rgba(114, 200, 255, 0.075) 50%, transparent),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  gap: 5px;
}

.byline {
  width: min(100%, 620px);
  margin: 12px auto 0;
  padding-right: 20px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  text-align: right;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(26px, 4.2vw, 46px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.18;
}

h3 span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.subtitle {
  margin-bottom: 0;
  color: rgba(245, 247, 251, 0.78);
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.25;
}

.subtitle.en {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.35;
}

.list article,
.product,
.wechat,
.qr-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  backdrop-filter: blur(18px);
}

.muted,
.en,
.qr-grid p {
  color: var(--muted);
}

.section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 50px 0 72px;
}

#content {
  padding-top: 50px;
}

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

.list article {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 24px;
}

.list article::before {
  content: "";
  position: absolute;
  inset: 0 0 0 42%;
  z-index: 0;
  background-position: center;
  background-size: cover;
  opacity: 0.237;
  filter: grayscale(0.4) saturate(0.75) contrast(1.08);
  mask-image: linear-gradient(90deg, transparent 0%, #000 42%, #000 100%);
}

.list article::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(12, 14, 18, 0.94) 0%, rgba(12, 14, 18, 0.82) 56%, rgba(12, 14, 18, 0.52) 100%),
    linear-gradient(rgba(114, 200, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 100% 34px;
}

.list article > * {
  position: relative;
  z-index: 2;
}

#content .list article:nth-child(1)::before,
#automation .list article:nth-child(2)::before {
  background-image: url("./assets/visual_explorations/v2_ai_documents.png");
}

#content .list article::before {
  opacity: 0.308;
}

#content .list article:nth-child(2)::before {
  background-image: url("./assets/product_lifestyle_accessories.png");
  background-position: 72% center;
}

#content .list article:nth-child(3)::before,
#automation .list article:nth-child(1)::before,
#automation .list article:nth-child(3)::before {
  background-image: url("./assets/ai_workflow_visual.png");
}

#automation .list article:nth-child(1)::before {
  background-position: 62% center;
}

#automation .list article:nth-child(3)::before {
  background-position: 82% center;
}

.list p,
.product p {
  margin-bottom: 8px;
  color: rgba(245, 247, 251, 0.75);
  font-size: 16px;
}

.product {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
  gap: 28px;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 4vw, 42px);
}

.product::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("./assets/product_lifestyle_accessories.png") 64% center / cover no-repeat;
  opacity: 0.48;
}

.product::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 9, 13, 0.94) 0%, rgba(8, 9, 13, 0.78) 48%, rgba(8, 9, 13, 0.54) 100%),
    linear-gradient(180deg, rgba(8, 9, 13, 0.48), rgba(8, 9, 13, 0.76));
}

.product > * {
  position: relative;
  z-index: 1;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.product-gallery img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center bottom;
}

.contact {
  text-align: center;
}

.wechat {
  display: flex;
  width: min(100%, 560px);
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 auto 12px;
  padding: 16px 18px;
  cursor: pointer;
  text-align: center;
}

.wechat span,
.wechat small {
  color: var(--muted);
}

.wechat span {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.wechat strong {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.05;
  overflow-wrap: anywhere;
  white-space: nowrap;
}

.wechat small {
  font-size: 11px;
  white-space: nowrap;
}

.email-card {
  display: flex;
  width: min(100%, 560px);
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 18px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  color: var(--ink);
}

.email-card span,
.email-card small {
  color: var(--muted);
}

.email-card strong {
  font-size: 17px;
  line-height: 1.2;
  overflow-wrap: anywhere;
  white-space: nowrap;
}

.email-card span {
  font-size: 14px;
  white-space: nowrap;
}

.email-card small {
  font-size: 11px;
  white-space: nowrap;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.qr-grid article {
  padding: 8px;
  text-align: center;
}

.qr-image {
  display: grid;
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  place-items: center;
  overflow: hidden;
  border-radius: 6px;
  background: #f6f8fb;
}

.qr-grid img {
  width: 100%;
  height: 100%;
  padding: 4px;
  object-fit: contain;
  object-position: center;
}

.qr-grid h3 {
  margin: 8px 0 1px;
  font-size: 13px;
}

.qr-grid p {
  margin-bottom: 0;
  font-size: 10px;
  overflow-wrap: anywhere;
}

.footer {
  display: flex;
  width: min(100%, 980px);
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  padding: 0 22px 30px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .page {
    padding-top: 34px;
    padding-bottom: 18px;
  }

  .hero {
    min-height: auto;
    padding: 34px 0 25px;
  }

  .ai-bg {
    inset: 0 -32px 18%;
  }

  .ai-bg::before {
    inset: 24% 10%;
  }

  .ai-bg::after {
    right: -8px;
    bottom: 26%;
    font-size: 38px;
  }

  .ai-bg span {
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 18px;
    opacity: 0.3;
  }

  .ai-bg .brand-mark img {
    width: 20px;
    height: 20px;
  }

  .ai-bg span:nth-child(n + 9) {
    display: none;
  }

  .subtitle.en {
    font-size: 12px;
    white-space: nowrap;
  }

  .positioning {
    width: min(100%, 390px);
    padding: 11px 10px 12px;
    gap: 4px;
  }

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

  .section {
    padding: 36px 0 52px;
  }

  #content {
    padding-top: 36px;
  }

  .list article::before {
    left: 48%;
    opacity: 0.186;
  }

  #content .list article::before {
    opacity: 0.242;
  }

  .product::before {
    background-position: 70% center;
    opacity: 0.46;
  }

  .product::after {
    background:
      linear-gradient(180deg, rgba(8, 9, 13, 0.84) 0%, rgba(8, 9, 13, 0.66) 52%, rgba(8, 9, 13, 0.8) 100%),
      linear-gradient(90deg, rgba(8, 9, 13, 0.78), rgba(8, 9, 13, 0.5));
  }

  .wechat {
    gap: 7px;
    padding: 12px 8px;
  }

  .wechat span,
  .wechat strong {
    font-size: 13px;
  }

  .wechat small {
    font-size: 9px;
  }

  .email-card {
    gap: 7px;
    padding: 12px 8px;
  }

  .email-card span {
    font-size: 12px;
  }

  .email-card strong {
    font-size: 14px;
  }

  .email-card small {
    font-size: 9px;
  }

  .qr-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
  }

  .qr-grid article {
    padding: 5px;
  }

  .qr-grid h3 {
    font-size: 11px;
  }

  .qr-grid p {
    font-size: 9px;
  }

  .footer {
    flex-direction: column;
    gap: 10px;
    padding-bottom: 56px;
  }
}

@media (max-width: 360px) {
  .subtitle.en {
    font-size: 10px;
  }

  .wechat,
  .email-card {
    gap: 5px;
    padding-right: 6px;
    padding-left: 6px;
  }

  .wechat span,
  .wechat strong,
  .email-card span,
  .email-card strong {
    font-size: 11px;
  }

  .wechat small,
  .email-card small {
    font-size: 8px;
  }
}