:root {
  --red: #c3272b;
  --ink: #151515;
  --muted: #656565;
  --line: #e7e1d8;
  --paper: #fff;
  --warm: #f0e4d2;
  --bluewash: #f0e4d2;
  --gold: #b99152;
  --green: #496b55;
  --section-height: 92vh;
  --radius: 8px;
  --shadow: 0 22px 58px rgba(21, 21, 21, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 5px clamp(20px, 5vw, 72px);
  color: #fff;
  background: transparent;
}

.site-header::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  right: 0;
  height: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  background: var(--ink);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .22);
}

.brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: auto;
  height: clamp(48px, 7vw, 74px);
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 4px;
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  font-size: 15px;
  font-weight: 700;
}

.nav a {
  padding: 6px 0;
  opacity: .88;
}

.nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: var(--section-height);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--ink);
  background: var(--warm);
  padding: 120px clamp(20px, 5vw, 72px) 88px;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  display: none;
}

.hero-shade {
  display: none;
}

.hero-content {
  position: relative;
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--red);
}

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

h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 82px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 4.3vw, 54px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 23px;
  line-height: 1.3;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: var(--red);
}

.button.ghost {
  color: var(--ink);
  border-color: rgba(21, 21, 21, .34);
}

.section {
  min-height: var(--section-height);
  display: grid;
  align-content: center;
  padding: 88px clamp(20px, 5vw, 72px);
}

.intro {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.section-title {
  max-width: 850px;
  margin-bottom: 34px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  gap: 48px;
  align-items: start;
}

.intro-grid > p {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
}

.service-copy,
.culture-copy,
.tea-copy {
  max-width: 760px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.stats div {
  min-height: 132px;
  padding: 22px;
  background: rgba(255, 255, 255, .82);
}

.stats dt {
  color: var(--red);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.stats dd {
  margin: 10px 0 0;
  color: var(--muted);
}

.services {
  background: var(--bluewash);
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 42px;
}

.service-layout-rich {
  grid-template-columns: minmax(360px, .94fr) minmax(0, 1.06fr);
  align-items: center;
}

.service-visuals {
  display: grid;
  gap: 16px;
}

.media-carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(21, 21, 21, .18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #111;
}

.media-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: mediaFade 9s infinite;
}

.media-slide:nth-child(2) {
  animation-delay: 4.5s;
}

.media-dots {
  position: absolute;
  z-index: 3;
  left: 18px;
  bottom: 16px;
  display: flex;
  gap: 8px;
}

.media-dots span {
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .38);
  animation: dotFade 9s infinite;
}

.media-dots span:nth-child(2) {
  animation-delay: 4.5s;
}

@keyframes mediaFade {
  0%,
  44% {
    opacity: 1;
  }

  50%,
  94% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes dotFade {
  0%,
  44% {
    background: rgba(255, 255, 255, .9);
  }

  50%,
  94% {
    background: rgba(255, 255, 255, .38);
  }

  100% {
    background: rgba(255, 255, 255, .9);
  }
}

.service-copy {
  display: grid;
  gap: 18px;
}

.feature {
  padding: 30px;
  border-left: 5px solid var(--red);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, .78);
}

.feature p,
.feature li,
.service-cards p,
.culture-copy p,
.tea-copy p,
.contact-panel {
  color: var(--muted);
}

.feature ul {
  margin: 22px 0 0;
  padding-left: 20px;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.service-cards article {
  min-height: 176px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .82);
}

.service-cards span {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--gold);
  font-weight: 900;
}

.culture {
  display: grid;
  grid-template-columns: minmax(360px, .94fr) minmax(0, 1.06fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: center;
  background: #fff;
}

.culture-visual {
  position: relative;
}

.culture-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(21, 21, 21, .2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.tech-panel {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tech-panel span {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 6px;
  color: #fff;
  background: rgba(0, 0, 0, .62);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0;
}

.capability-grid article {
  padding: 18px 20px;
  border: 1px solid rgba(21, 21, 21, .12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .34);
}

.capability-grid h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.capability-grid p {
  margin-bottom: 0;
  font-size: 15px;
}

.pill-row span {
  padding: 8px 14px;
  border: 1px solid rgba(21, 21, 21, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .35);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.tea {
  min-height: var(--section-height);
  display: grid;
  grid-template-columns: minmax(360px, .94fr) minmax(0, 1.06fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  padding: 88px clamp(20px, 5vw, 72px);
  color: var(--ink);
  background: var(--bluewash);
}

.tea-media {
  display: block;
}

.tea-carousel {
  border-color: rgba(21, 21, 21, .18);
  box-shadow: var(--shadow);
}

.tea-copy p {
  color: var(--muted);
  font-size: 19px;
}

.tea-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.tea-tags span {
  padding: 8px 13px;
  border: 1px solid rgba(21, 21, 21, .16);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, .36);
  font-size: 14px;
  font-weight: 700;
}

address {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(21, 21, 21, .16);
  font-style: normal;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 40px;
  align-items: center;
  background: #fff;
}

.contact h2 {
  max-width: 780px;
}

.contact-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .78);
}

.contact-panel .button {
  margin-top: 12px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, .72);
  background: #0b0b0b;
  font-size: 14px;
}

@media (max-width: 720px) {
  .site-header {
    position: absolute;
    align-items: center;
    flex-direction: column;
    gap: 16px;
    padding-top: 7px;
    padding-bottom: 8px;
  }

  .site-header::before {
    height: 100%;
    background: var(--ink);
  }

  .nav {
    width: 100%;
    max-width: none;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .hero {
    min-height: 760px;
    padding-top: 156px;
  }

  .intro-grid,
  .service-layout,
  .culture,
  .tea,
  .contact {
    grid-template-columns: 1fr;
  }

  .service-visuals {
    order: -1;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header {
    padding: 5px 18px 7px;
  }

  .brand img {
    width: auto;
    height: 58px;
  }

  .nav {
    font-size: 13px;
    line-height: 1.4;
  }

  .hero {
    min-height: 680px;
    padding: 160px 20px 56px;
  }

  .section,
  .tea {
    min-height: auto;
    align-content: start;
    padding: 64px 20px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

  .media-carousel,
  .culture-visual img,
  .tea-carousel {
    aspect-ratio: 4 / 3;
  }

  .culture-visual,
  .tea-media {
    grid-template-columns: 1fr;
  }

  .tech-panel {
    position: static;
    grid-template-columns: 1fr;
    margin-top: 10px;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .media-slide,
  .media-dots span {
    animation: none;
  }

  .media-slide:first-child,
  .media-dots span:first-child {
    opacity: 1;
  }
}