:root {
  --tc-blue: #1e50ae;
  --tc-blue-deep: #0a2c66;
  --tc-blue-ink: #071f47;
  --tc-sky: #eaf2ff;
  --tc-gold: #c9a56a;
  --tc-tea: #50693d;
  --tc-tea-deep: #2f4730;
  --tc-tea-soft: #edf3e7;
  --tc-tea-amber: #b6814c;
  --tc-red: #b9252b;
  --tc-ink: #202938;
  --tc-text: #5e6878;
  --tc-muted: #8c96a6;
  --tc-line: #e6ebf3;
  --tc-bg: #f4f7fb;
  --tc-white: #ffffff;
  --tc-shadow: 0 28px 70px rgba(12, 38, 82, 0.14);
  --tc-font: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--tc-ink);
  background: var(--tc-bg);
  font-family: var(--tc-font);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--tc-bg);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--tc-bg);
}

body.modal-open {
  overflow: hidden;
}

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

button {
  cursor: pointer;
}

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

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

#root {
  min-height: 100svh;
}

.tc-site {
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 12% 18%, rgba(30, 80, 174, 0.1), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(80, 105, 61, 0.1), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #f4f7fb 48%, #ffffff 100%);
}

.tc-site::before,
.tc-site::after {
  position: fixed;
  z-index: 0;
  width: 320px;
  height: 320px;
  content: "";
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.34;
}

.tc-site::before {
  top: 18%;
  right: -90px;
  background: radial-gradient(circle, rgba(80, 105, 61, 0.18), transparent 68%);
}

.tc-site::after {
  bottom: 10%;
  left: -90px;
  background: radial-gradient(circle, rgba(182, 129, 76, 0.14), transparent 68%);
}

.tea-ornament {
  position: fixed;
  z-index: 1;
  pointer-events: none;
  opacity: 0.28;
}

.tea-ornament span {
  position: absolute;
  display: block;
  width: 74px;
  height: 32px;
  border: 1px solid rgba(80, 105, 61, 0.28);
  border-radius: 74px 0;
  transform-origin: 8px 26px;
}

.tea-ornament span::after {
  position: absolute;
  top: 15px;
  left: 10px;
  width: 54px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, rgba(80, 105, 61, 0.38), transparent);
}

.tea-ornament-one {
  top: 28%;
  right: 5vw;
  width: 170px;
  height: 130px;
}

.tea-ornament-one span:nth-child(1) {
  transform: rotate(-32deg);
}

.tea-ornament-one span:nth-child(2) {
  top: 38px;
  left: 42px;
  transform: rotate(18deg);
}

.tea-ornament-one span:nth-child(3) {
  top: 78px;
  left: 16px;
  transform: rotate(-8deg);
}

.tea-ornament-two {
  bottom: 24%;
  left: 4vw;
  width: 140px;
  height: 100px;
}

.tea-ornament-two span:nth-child(1) {
  transform: rotate(25deg);
}

.tea-ornament-two span:nth-child(2) {
  top: 42px;
  left: 36px;
  transform: rotate(-18deg);
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--tc-white);
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease,
    color 0.3s ease,
    transform 0.3s ease;
}

.site-header::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(180deg, rgba(5, 25, 58, 0.82), rgba(5, 25, 58, 0.28), transparent);
  transition: opacity 0.3s ease;
}

.site-header.is-scrolled {
  color: var(--tc-ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 38px rgba(16, 40, 84, 0.12);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled::before {
  opacity: 0;
}

.top-line {
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  height: 34px;
  margin: 0 auto;
  padding: 0 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  letter-spacing: 0.18em;
  line-height: 34px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.site-header.is-scrolled .top-line {
  color: var(--tc-muted);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  height: 72px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 270px;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.14);
  color: var(--tc-white);
  font-weight: 800;
  letter-spacing: -0.05em;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

.brand-mark-image {
  overflow: hidden;
  border: none;
  border-radius: 12px;
  background: transparent;
}

.brand-mark-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-mark::after {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 16px;
  height: 9px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 16px 0;
  background: rgba(80, 105, 61, 0.62);
  transform: rotate(-18deg);
  transition:
    border-color 0.3s ease,
    background 0.3s ease;
}

.brand-mark-image::after {
  display: none;
}

.site-header.is-scrolled .brand-mark {
  border-color: transparent;
  background: var(--tc-blue);
  color: var(--tc-white);
}

.site-header.is-scrolled .brand-mark-image {
  background: transparent;
}

.site-header.is-scrolled .brand-mark::after {
  border-color: rgba(255, 255, 255, 0.82);
  background: var(--tc-tea);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  color: currentColor;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.08em;
}

.brand-copy em {
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.site-header.is-scrolled .brand-copy em {
  color: var(--tc-muted);
}

.desktop-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: stretch;
}

.nav-item > a {
  display: grid;
  min-width: 96px;
  place-items: center;
  padding: 0 12px;
  text-align: center;
}

.nav-item > a span {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
}

.nav-item > a small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1;
  transition: color 0.3s ease;
}

.site-header.is-scrolled .nav-item > a small {
  color: var(--tc-muted);
}

.nav-item::after {
  position: absolute;
  right: 50%;
  bottom: 10px;
  left: 50%;
  height: 2px;
  content: "";
  background: var(--tc-gold);
  transition:
    left 0.25s ease,
    right 0.25s ease;
}

.nav-item:hover::after {
  right: 22px;
  left: 22px;
}

.submenu {
  position: absolute;
  top: calc(100% - 2px);
  left: 50%;
  min-width: 164px;
  padding: 12px 0;
  border-top: 3px solid var(--tc-blue);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 20px 48px rgba(14, 32, 65, 0.16);
  color: var(--tc-ink);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}

.nav-item:hover .submenu,
.nav-item:focus-within .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.submenu a {
  display: block;
  padding: 10px 20px;
  color: var(--tc-text);
  font-size: 14px;
  white-space: nowrap;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    padding 0.2s ease;
}

.submenu a:hover {
  padding-left: 26px;
  background: var(--tc-sky);
  color: var(--tc-blue);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 6px auto;
  background: currentColor;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 800px;
  color: var(--tc-white);
  isolation: isolate;
}

.hero-slider,
.hero-slide,
.hero-slide img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-slide {
  margin: 0;
  opacity: 0;
  overflow: hidden;
  transition: opacity 1.1s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transform: none;
}

.hero-slide.is-active img {
  animation: none;
}

.hero-overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(4, 24, 57, 0.88) 0%, rgba(6, 35, 82, 0.62) 42%, rgba(6, 35, 82, 0.16) 100%),
    radial-gradient(circle at 78% 42%, rgba(80, 105, 61, 0.28), transparent 26rem),
    radial-gradient(circle at 32% 68%, rgba(182, 129, 76, 0.18), transparent 24rem),
    linear-gradient(180deg, rgba(4, 24, 57, 0.1), rgba(4, 24, 57, 0.28));
}

.tea-mist {
  position: absolute;
  z-index: 2;
  right: -12vw;
  bottom: 80px;
  width: 58vw;
  height: 180px;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 40% 50%, rgba(237, 243, 231, 0.16), transparent 62%),
    radial-gradient(ellipse at 70% 40%, rgba(182, 129, 76, 0.1), transparent 58%);
  filter: blur(18px);
  opacity: 0.78;
  animation: teaMist 9s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 258px 24px 160px;
}

.hero-eyebrow {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1 {
  display: grid;
  gap: 0;
  max-width: 820px;
  margin: 0;
  font-size: clamp(64px, 8vw, 118px);
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.84;
  text-transform: uppercase;
}

.hero-title-cn {
  margin-top: 36px;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.1;
}

.hero-summary {
  max-width: 640px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-badges span {
  position: relative;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(80, 105, 61, 0.18));
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  backdrop-filter: blur(8px);
}

.hero-badges span::before {
  display: inline-block;
  width: 12px;
  height: 7px;
  margin-right: 8px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 12px 0;
  transform: rotate(-18deg) translateY(-1px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 42px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition:
    background 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--tc-blue);
  color: var(--tc-white);
  box-shadow: 0 16px 38px rgba(30, 80, 174, 0.24);
}

.btn-primary:hover {
  background: var(--tc-blue-deep);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.54);
  color: var(--tc-white);
}

.btn-ghost:hover {
  border-color: var(--tc-white);
  background: rgba(255, 255, 255, 0.14);
}

.hero-controls {
  position: absolute;
  z-index: 4;
  right: calc((100vw - min(1200px, calc(100vw - 48px))) / 2 + 24px);
  bottom: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.slide-arrow {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.1);
  color: var(--tc-white);
  font-size: 38px;
  line-height: 1;
  transition:
    background 0.22s ease,
    border-color 0.22s ease;
}

.slide-arrow:hover {
  border-color: var(--tc-white);
  background: rgba(255, 255, 255, 0.22);
}

.slide-dots {
  display: flex;
  gap: 9px;
}

.slide-dots button {
  width: 30px;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.36);
  transition:
    width 0.22s ease,
    background 0.22s ease;
}

.slide-dots button.is-active {
  width: 48px;
  background: var(--tc-white);
}

.scroll-cue {
  position: absolute;
  z-index: 4;
  bottom: 34px;
  left: 50%;
  display: grid;
  gap: 8px;
  justify-items: center;
  color: rgba(255, 255, 255, 0.74);
  font-size: 10px;
  letter-spacing: 0.24em;
  transform: translateX(-50%);
}

.scroll-cue span {
  display: block;
  width: 1px;
  height: 44px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.3);
}

.scroll-cue span::after {
  display: block;
  width: 100%;
  height: 18px;
  content: "";
  background: var(--tc-white);
  animation: scrollLine 1.5s ease-in-out infinite;
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 110px 24px;
}

.section-heading {
  position: relative;
  margin-bottom: 42px;
}

.section-heading.center {
  max-width: 740px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading small,
.culture-content small,
.cooperation-inner small {
  display: block;
  color: var(--tc-tea);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading h2,
.culture-content h2,
.cooperation-inner h2 {
  margin: 8px 0 0;
  color: var(--tc-ink);
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.section-heading h2::after {
  display: block;
  width: 58px;
  height: 4px;
  margin-top: 20px;
  content: "";
  background: linear-gradient(90deg, var(--tc-blue), var(--tc-tea-amber));
}

.section-heading.center h2::after {
  margin-right: auto;
  margin-left: auto;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--tc-text);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.86fr);
  gap: 70px;
  align-items: center;
}

.about-copy {
  position: relative;
  padding: 42px 48px;
  background: var(--tc-white);
  box-shadow: var(--tc-shadow);
}

.about-copy::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  content: "";
  background: linear-gradient(180deg, var(--tc-blue), var(--tc-tea), var(--tc-gold));
}

.about-copy p {
  margin: 0;
  color: var(--tc-text);
  font-size: 16px;
}

.about-copy p + p {
  margin-top: 18px;
}

.about-signature {
  margin-top: 32px;
  color: var(--tc-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about-note {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 3px solid var(--tc-tea);
  background: linear-gradient(90deg, rgba(80, 105, 61, 0.08), rgba(80, 105, 61, 0));
}

.about-note strong {
  color: var(--tc-tea-deep);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-note span {
  color: var(--tc-text);
  font-size: 14px;
}

.about-visual {
  position: relative;
  min-height: 360px;
}

.about-visual img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  box-shadow: var(--tc-shadow);
}

.floating-card {
  position: absolute;
  right: -26px;
  bottom: -28px;
  width: min(280px, calc(100% - 20px));
  padding: 26px;
  background: linear-gradient(145deg, var(--tc-blue), var(--tc-tea));
  color: var(--tc-white);
  box-shadow: 0 18px 40px rgba(30, 80, 174, 0.26);
}

.floating-card strong {
  display: block;
  font-size: 25px;
  font-style: italic;
  letter-spacing: -0.04em;
}

.floating-card span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.76);
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1200px;
  margin: 0 auto;
  background: var(--tc-blue-deep);
  box-shadow: var(--tc-shadow);
  color: var(--tc-white);
}

.stat-item {
  position: relative;
  padding: 42px 30px;
  text-align: center;
}

.stat-item + .stat-item::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 0;
  width: 1px;
  content: "";
  background: rgba(255, 255, 255, 0.14);
}

.stat-item strong {
  display: block;
  color: var(--tc-white);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
}

.stat-item span {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.tea-section {
  padding-top: 94px;
  padding-bottom: 36px;
}

.tea-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 34px;
  padding: 34px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(237, 243, 231, 0.96));
  box-shadow: var(--tc-shadow);
}

.tea-panel::before {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 240px;
  height: 240px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(182, 129, 76, 0.18), transparent 68%);
}

.tea-panel::after {
  position: absolute;
  right: 42%;
  bottom: -70px;
  width: 260px;
  height: 260px;
  content: "";
  border: 1px solid rgba(80, 105, 61, 0.12);
  border-radius: 50%;
}

.tea-copy {
  position: relative;
  z-index: 1;
}

.tea-copy small {
  display: block;
  color: var(--tc-tea);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tea-copy h2 {
  margin: 10px 0 0;
  color: var(--tc-ink);
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.18;
}

.tea-copy p {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--tc-text);
}

.tea-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.tea-principle {
  padding: 22px 18px;
  border: 1px solid rgba(80, 105, 61, 0.12);
  background: rgba(255, 255, 255, 0.72);
}

.tea-principle strong {
  color: var(--tc-tea-deep);
  font-size: 24px;
  letter-spacing: 0.08em;
}

.tea-principle p {
  margin-top: 10px;
  font-size: 14px;
}

.tea-visual {
  position: relative;
  min-height: 100%;
}

.tea-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.tea-visual-mark {
  position: absolute;
  right: 20px;
  bottom: 20px;
  padding: 18px 20px;
  background: rgba(7, 31, 71, 0.82);
  color: var(--tc-white);
  backdrop-filter: blur(10px);
}

.tea-visual-mark span {
  display: block;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.tea-visual-mark strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
  line-height: 1.3;
}

.business-section {
  padding-top: 120px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.business-card {
  position: relative;
  min-height: 410px;
  padding: 44px 34px 34px;
  overflow: hidden;
  background: var(--tc-white);
  box-shadow: 0 14px 40px rgba(14, 34, 74, 0.08);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    color 0.28s ease;
}

.business-card::before {
  position: absolute;
  inset: auto 0 0;
  height: 0;
  content: "";
  background: linear-gradient(135deg, var(--tc-blue-deep), var(--tc-blue), var(--tc-tea));
  transition: height 0.32s ease;
}

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

.business-card:hover {
  color: var(--tc-white);
  transform: translateY(-10px);
  box-shadow: 0 28px 66px rgba(30, 80, 174, 0.22);
}

.business-card:hover::before {
  height: 100%;
}

.business-index {
  display: block;
  color: rgba(30, 80, 174, 0.12);
  font-size: 76px;
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 0.8;
  transition: color 0.28s ease;
}

.business-card:hover .business-index {
  color: rgba(255, 255, 255, 0.18);
}

.business-card small {
  display: block;
  margin-top: 28px;
  color: var(--tc-blue);
  font-weight: 800;
  letter-spacing: 0.14em;
  transition: color 0.28s ease;
}

.business-card:hover small {
  color: var(--tc-gold);
}

.business-card h3 {
  margin: 14px 0 0;
  color: var(--tc-ink);
  font-size: 26px;
  line-height: 1.25;
  transition: color 0.28s ease;
}

.business-card:hover h3 {
  color: var(--tc-white);
}

.business-card p {
  margin: 22px 0 0;
  color: var(--tc-text);
  transition: color 0.28s ease;
}

.business-card:hover p {
  color: rgba(255, 255, 255, 0.78);
}

.business-card a {
  display: inline-flex;
  margin-top: 36px;
  color: var(--tc-blue);
  font-weight: 800;
  transition: color 0.28s ease;
}

.business-card:hover a {
  color: var(--tc-white);
}

.timeline-section {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 110px 24px;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.timeline-track::before {
  position: absolute;
  top: 42px;
  right: 12%;
  left: 12%;
  height: 1px;
  content: "";
  background: var(--tc-line);
}

.timeline-card {
  position: relative;
  padding: 0 26px 34px;
}

.timeline-card::before {
  display: grid;
  width: 16px;
  height: 16px;
  margin: 34px 0 30px;
  border: 4px solid var(--tc-white);
  border-radius: 50%;
  content: "";
  background: var(--tc-blue);
  box-shadow: 0 0 0 1px var(--tc-blue), 0 0 0 10px var(--tc-sky);
}

.timeline-card strong {
  display: block;
  color: var(--tc-blue);
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

.timeline-card h3 {
  margin: 16px 0 0;
  color: var(--tc-ink);
  font-size: 22px;
}

.timeline-card p {
  margin: 14px 0 0;
  color: var(--tc-text);
}

.culture-section {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  color: var(--tc-white);
}

.culture-bg {
  position: absolute;
  inset: 0;
}

.culture-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.culture-bg::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 26, 60, 0.9), rgba(5, 26, 60, 0.62), rgba(5, 26, 60, 0.34)),
    radial-gradient(circle at 82% 42%, rgba(80, 105, 61, 0.24), transparent 22rem),
    radial-gradient(circle at 28% 62%, rgba(182, 129, 76, 0.18), transparent 20rem),
    radial-gradient(circle at 75% 50%, rgba(30, 80, 174, 0.26), transparent 28rem);
}

.culture-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px;
}

.culture-content small,
.cooperation-inner small {
  color: var(--tc-gold);
}

.culture-content h2 {
  max-width: 680px;
  color: var(--tc-white);
}

.culture-content p {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.culture-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.culture-tags span {
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 210px;
  gap: 18px;
}

.gallery-card {
  position: relative;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: var(--tc-white);
  box-shadow: 0 14px 40px rgba(14, 34, 74, 0.08);
}

.gallery-card:nth-child(2),
.gallery-card:nth-child(4),
.gallery-card:nth-child(7) {
  grid-column: span 2;
}

.gallery-card:nth-child(1),
.gallery-card:nth-child(6) {
  grid-row: span 2;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.45s ease,
    filter 0.45s ease;
}

.gallery-card-copy {
  position: absolute;
  inset: 14px;
  display: grid;
  align-content: end;
  justify-items: start;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: linear-gradient(180deg, transparent, rgba(4, 20, 48, 0.72));
  color: var(--tc-white);
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.28s ease,
    transform 0.28s ease;
}

.gallery-card strong {
  font-size: 24px;
  font-style: normal;
  letter-spacing: 0.03em;
}

.gallery-card b {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
}

.gallery-card em {
  margin-top: 10px;
  color: var(--tc-gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-style: normal;
}

.gallery-card:hover img {
  filter: saturate(1.08) contrast(1.06);
  transform: scale(1.08);
}

.gallery-card:hover .gallery-card-copy {
  background: linear-gradient(180deg, rgba(4, 20, 48, 0.1), rgba(4, 20, 48, 0.82));
}

.cooperation-section {
  padding: 96px 24px;
  background:
    linear-gradient(135deg, rgba(7, 31, 71, 0.95), rgba(30, 80, 174, 0.92), rgba(80, 105, 61, 0.82)),
    url("/img/43f88ad5e3b696b74bd80f8271d7367d.png") center/cover;
  color: var(--tc-white);
}

.cooperation-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.cooperation-inner h2 {
  color: var(--tc-white);
}

.cooperation-inner p {
  max-width: 720px;
  margin: 22px auto 36px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1fr);
  gap: 44px;
}

.contact-info,
.contact-form {
  background: var(--tc-white);
  box-shadow: var(--tc-shadow);
}

.contact-info {
  padding: 46px;
}

.contact-info h3 {
  margin: 0;
  color: var(--tc-ink);
  font-size: 30px;
}

.contact-info p {
  margin: 18px 0 0;
  color: var(--tc-text);
}

.contact-info ul {
  display: grid;
  gap: 18px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.contact-info li {
  display: grid;
  gap: 6px;
  color: var(--tc-text);
}

.contact-info a {
  color: var(--tc-ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-info a:hover {
  color: var(--tc-blue);
}

.contact-info li span {
  color: var(--tc-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 36px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--tc-ink);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--tc-line);
  border-radius: 0;
  background: #f8fafd;
  color: var(--tc-ink);
  outline: none;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.contact-form input,
.contact-form select {
  height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  resize: vertical;
  padding: 13px 14px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--tc-blue);
  background: var(--tc-white);
  box-shadow: 0 0 0 4px rgba(30, 80, 174, 0.1);
}

.contact-form .btn {
  width: 100%;
  margin-top: 4px;
  border: 0;
}

.form-tip {
  margin: -2px 0 0;
  color: var(--tc-muted);
  font-size: 13px;
  line-height: 1.6;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 42px max(24px, calc((100vw - 1200px) / 2 + 24px));
  background:
    linear-gradient(135deg, rgba(7, 31, 71, 0.98), rgba(7, 31, 71, 0.92), rgba(47, 71, 48, 0.96)),
    radial-gradient(circle at 85% 40%, rgba(182, 129, 76, 0.2), transparent 20rem);
  color: rgba(255, 255, 255, 0.72);
}

.site-footer div {
  display: grid;
  gap: 5px;
}

.site-footer strong {
  color: var(--tc-white);
  font-size: 24px;
  letter-spacing: 0.1em;
}

.site-footer span,
.site-footer p {
  margin: 0;
  font-size: 13px;
}

.right-toolbar {
  position: fixed;
  z-index: 45;
  right: 20px;
  bottom: 96px;
  display: grid;
  gap: 8px;
}

.right-toolbar button,
.right-toolbar a {
  position: relative;
  display: grid;
  width: 54px;
  min-height: 54px;
  place-items: center;
  border: 0;
  background: rgba(7, 31, 71, 0.92);
  color: var(--tc-white);
  box-shadow: 0 12px 30px rgba(7, 31, 71, 0.2);
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.right-toolbar button:hover,
.right-toolbar a:hover {
  background: var(--tc-blue);
  transform: translateX(-4px);
}

.right-toolbar span {
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
}

.right-toolbar em {
  font-size: 11px;
  font-style: normal;
  line-height: 1;
}

.toolbar-pop {
  position: absolute;
  right: 66px;
  bottom: 0;
  width: 220px;
  padding: 18px;
  background: var(--tc-white);
  box-shadow: var(--tc-shadow);
  color: var(--tc-ink);
  opacity: 0;
  pointer-events: none;
  transform: translateX(12px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toolbar-pop.is-open {
  opacity: 1;
  transform: translateX(0);
}

.toolbar-pop strong {
  display: block;
  color: var(--tc-tea);
  font-size: 15px;
}

.toolbar-pop small {
  display: block;
  margin-top: 8px;
  color: var(--tc-text);
  line-height: 1.6;
}

.qr-box {
  display: grid;
  width: 92px;
  height: 92px;
  margin: 12px 0 0;
  place-items: center;
  background:
    linear-gradient(90deg, #111 8px, transparent 8px) 0 0/18px 18px,
    linear-gradient(#111 8px, transparent 8px) 0 0/18px 18px,
    var(--tc-white);
  border: 8px solid var(--tc-sky);
  color: var(--tc-blue);
  font-weight: 900;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 44px;
  background: rgba(3, 15, 36, 0.86);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.image-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.image-modal img {
  max-width: min(1100px, 92vw);
  max-height: 84vh;
  object-fit: contain;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.image-modal.is-open img {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: var(--tc-white);
  font-size: 32px;
  line-height: 1;
}

.toast {
  position: fixed;
  z-index: 110;
  right: 24px;
  bottom: 28px;
  padding: 14px 18px;
  background: var(--tc-blue-deep);
  box-shadow: 0 18px 40px rgba(7, 31, 71, 0.24);
  color: var(--tc-white);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition:
    opacity 0.24s ease,
    transform 0.24s ease;
}

.toast.is-open {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes scrollLine {
  from {
    transform: translateY(-20px);
  }

  to {
    transform: translateY(48px);
  }
}

@keyframes teaMist {
  from {
    opacity: 0.5;
    transform: translate3d(-18px, 0, 0) scaleX(0.94);
  }

  to {
    opacity: 0.86;
    transform: translate3d(18px, -10px, 0) scaleX(1.04);
  }
}

@media (max-width: 1100px) {
  .desktop-nav {
    gap: 0;
  }

  .nav-item > a {
    min-width: 84px;
    padding: 0 8px;
  }

  .brand {
    min-width: 230px;
  }

  .brand-copy strong {
    font-size: 21px;
  }
}

@media (max-width: 980px) {
  .tea-ornament {
    display: none;
  }

  .top-line {
    display: none;
  }

  .nav-shell {
    height: 68px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-nav {
    position: absolute;
    top: 68px;
    right: 16px;
    left: 16px;
    display: grid;
    padding: 12px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--tc-shadow);
    color: var(--tc-ink);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 0.22s ease,
      transform 0.22s ease;
  }

  .mobile-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 12px;
    border-bottom: 1px solid var(--tc-line);
    font-weight: 700;
  }

  .mobile-nav a:last-child {
    border-bottom: 0;
  }

  .mobile-nav small {
    color: var(--tc-muted);
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    padding-top: 170px;
  }

  .hero-eyebrow {
    font-size: 14px;
  }

  .hero-controls {
    right: 24px;
  }

  .about-grid,
  .contact-grid,
  .tea-panel {
    grid-template-columns: 1fr;
  }

  .business-grid,
  .timeline-track,
  .tea-principles {
    grid-template-columns: 1fr;
  }

  .timeline-track::before {
    display: none;
  }

  .stats-band {
    grid-template-columns: repeat(2, 1fr);
    margin: 0 24px;
  }

  .stat-item:nth-child(3)::before {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-card:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }

  .gallery-card:nth-child(3n + 1) {
    grid-row: span 2;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    font-size: 18px;
  }

  .brand-copy em {
    display: none;
  }

  .hero {
    min-height: 670px;
  }

  .hero-content {
    padding: 132px 18px 126px;
  }

  .hero h1 {
    font-size: clamp(48px, 16vw, 72px);
  }

  .hero-title-cn {
    margin-top: 26px;
    font-size: 30px;
    letter-spacing: 0.1em;
  }

  .hero-summary {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-controls {
    right: 18px;
    bottom: 52px;
  }

  .slide-arrow {
    width: 38px;
    height: 38px;
    font-size: 30px;
  }

  .scroll-cue {
    display: none;
  }

  .section,
  .timeline-section {
    padding: 74px 18px;
  }

  .about-copy,
  .contact-info,
  .contact-form {
    padding: 28px;
  }

  .tea-panel {
    padding: 24px;
  }

  .floating-card {
    right: 12px;
  }

  .stats-band {
    grid-template-columns: 1fr;
    margin: 0 18px;
  }

  .stat-item + .stat-item::before {
    top: 0;
    right: 28px;
    bottom: auto;
    left: 28px;
    width: auto;
    height: 1px;
  }

  .business-card {
    min-height: auto;
  }

  .culture-content {
    padding: 82px 18px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .gallery-card:nth-child(n) {
    grid-row: auto;
  }

  .right-toolbar {
    right: 12px;
    bottom: 18px;
  }

  .right-toolbar button,
  .right-toolbar a {
    width: 48px;
    min-height: 48px;
  }

  .right-toolbar em,
  .toolbar-pop {
    display: none;
  }

  .image-modal {
    padding: 20px;
  }
}