:root {
  --ink: #17201d;
  --ink-soft: #4d5b56;
  --paper: #f7f5ef;
  --porcelain: #fbfcfb;
  --jade: #8aa99c;
  --moss: #516f5e;
  --cinnabar: #a63d2d;
  --gold: #c4a56a;
  --shadow: 0 24px 80px rgba(23, 32, 29, 0.18);
  --radius: 8px;
  --app-vh: 100vh;
  --header-height: 68px;
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  letter-spacing: 0;
}

main {
  width: 100%;
}

body.menu-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  padding: 14px clamp(18px, 4vw, 58px);
  color: #fff;
  transition: background 0.35s ease, color 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  padding-block: 14px;
  color: var(--ink);
  background: rgba(247, 245, 239, 0.88);
  box-shadow: 0 12px 30px rgba(23, 32, 29, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 440px;
  height: 60px;
}

.brand-mark {
  position: relative;
  display: block;
  width: 74px;
  height: 66px;
  flex: 0 0 auto;
}

.brand-logo {
  width: 72px;
  height: 66px;
  object-fit: contain;
}

.brand-registered {
  position: absolute;
  top: 0;
  right: 0;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  color: #e1251b;
  border: 2px solid #e1251b;
  border-radius: 50%;
  background: rgba(247, 245, 239, 0.9);
  font-family: Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  min-width: max-content;
}

.brand strong {
  display: block;
  font-family: "STKaiti", "KaiTi", "SimKai", "Noto Serif SC", serif;
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand small {
  display: block;
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: currentColor;
  opacity: 0.95;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand-rule {
  display: block;
  width: 100%;
  height: 5px;
  margin-top: 2px;
  background: #e1251b;
}

.desktop-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 2.4vw, 38px);
  margin-left: clamp(18px, 2.2vw, 32px);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.desktop-nav a {
  position: relative;
  flex: 0 0 auto;
  padding: 8px 0;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.32s ease;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  color: currentColor;
  background: transparent;
  border: 0;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 7px auto;
  background: currentColor;
  transition: transform 0.28s ease;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 18;
  display: grid;
  gap: 18px;
  align-content: center;
  justify-items: center;
  color: var(--porcelain);
  background: rgba(23, 32, 29, 0.94);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu a {
  font-size: clamp(24px, 7vw, 46px);
}

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

body.menu-open .menu-toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

body.menu-open .menu-toggle span:last-child {
  transform: translateY(-5px) rotate(-45deg);
}

.panel,
.section {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero {
  display: grid;
  align-items: center;
  padding: 120px clamp(20px, 6vw, 96px) 120px;
  color: #fff;
  background: #111;
}

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

.hero-media {
  background:
    radial-gradient(circle at 64% 50%, rgba(196, 165, 106, 0.16), transparent 32%),
    #030706;
}

.hero-slide {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: 62% center;
  opacity: 0;
  filter: blur(14px) brightness(0.72);
  transform: translate3d(34px, 0, 0) scale(0.96);
  transition: opacity 1.15s ease, filter 1.15s ease, transform 1.35s cubic-bezier(0.2, 0.72, 0.2, 1);
}

.hero-slide.is-active {
  opacity: 1;
  filter: blur(0) brightness(1);
  transform: translate3d(0, 0, 0) scale(1);
}

.hero-media[data-effect="drift-left"] .hero-slide {
  transform: translate3d(34px, 0, 0) scale(0.96);
}

.hero-media[data-effect="drift-left"] .hero-slide.is-active {
  animation: heroDriftLeft 5.2s ease-out both;
}

.hero-media[data-effect="lift-up"] .hero-slide {
  transform: translate3d(0, 34px, 0) scale(0.98);
}

.hero-media[data-effect="lift-up"] .hero-slide.is-active {
  animation: heroLiftUp 5.2s ease-out both;
}

.hero-media[data-effect="scale-in"] .hero-slide {
  transform: scale(0.92);
}

.hero-media[data-effect="scale-in"] .hero-slide.is-active {
  animation: heroScaleIn 5.2s ease-out both;
}

.hero-media[data-effect="slide-right"] .hero-slide {
  transform: translate3d(-34px, 0, 0) scale(0.97);
}

.hero-media[data-effect="slide-right"] .hero-slide.is-active {
  animation: heroSlideRight 5.2s ease-out both;
}

.hero-media[data-effect="focus-pull"] .hero-slide {
  filter: blur(18px) brightness(0.68);
  transform: scale(1.04);
}

.hero-media[data-effect="focus-pull"] .hero-slide.is-active {
  animation: heroFocusPull 5.2s ease-out both;
}

.hero-media[data-effect="float-down"] .hero-slide {
  transform: translate3d(0, -28px, 0) scale(0.97);
}

.hero-media[data-effect="float-down"] .hero-slide.is-active {
  animation: heroFloatDown 5.2s ease-out both;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(4, 8, 7, 0.88) 0%, rgba(4, 8, 7, 0.58) 33%, rgba(4, 8, 7, 0.12) 72%, rgba(4, 8, 7, 0.5) 100%),
    linear-gradient(0deg, rgba(4, 8, 7, 0.62), transparent 48%);
}

.porcelain-ring {
  position: absolute;
  right: clamp(24px, 11vw, 180px);
  top: 17vh;
  width: clamp(210px, 28vw, 470px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  box-shadow: inset 0 0 70px rgba(255, 255, 255, 0.18), 0 0 90px rgba(255, 255, 255, 0.13);
  animation: ringFloat 8s ease-in-out infinite;
}

.porcelain-ring::before,
.porcelain-ring::after {
  position: absolute;
  content: "";
  border-radius: inherit;
}

.porcelain-ring::before {
  inset: 14%;
  border: 1px solid rgba(196, 165, 106, 0.5);
}

.porcelain-ring::after {
  inset: 41%;
  background: rgba(255, 255, 255, 0.75);
  filter: blur(8px);
}

.hero-work-name {
  position: absolute;
  left: clamp(64%, 72vw, 78%);
  top: 58%;
  z-index: 4;
  color: rgba(255, 255, 255, 0.92);
  font-family: "STKaiti", "KaiTi", "SimKai", "Noto Serif SC", serif;
  font-size: clamp(25px, 2.4vw, 42px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
  writing-mode: vertical-rl;
  text-orientation: upright;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.86), 0 0 18px rgba(196, 165, 106, 0.28);
  opacity: 1;
  transform: translate3d(0, -50%, 0);
  pointer-events: none;
}

.hero-work-name::before {
  display: block;
  width: 1px;
  height: 66px;
  margin: 0 auto 14px;
  content: "";
  background: linear-gradient(180deg, rgba(196, 165, 106, 0.92), transparent);
}

.hero-work-name.is-active {
  animation: heroWorkNameIn 0.72s ease forwards;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, 100%);
  max-width: calc(100vw - clamp(40px, 12vw, 192px));
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.96;
  font-weight: 600;
}

.hero-copy {
  width: min(620px, 100%);
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 1.6vw, 21px);
  line-height: 1.9;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 138px;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  transition: transform 0.28s ease, background 0.28s ease, color 0.28s ease, border-color 0.28s ease;
}

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

.btn.primary {
  color: #fff;
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

.btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.btn.outline {
  color: var(--ink);
  background: transparent;
}

.hero-stats {
  position: absolute;
  right: clamp(20px, 6vw, 90px);
  bottom: 116px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(80px, 1fr));
  gap: 1px;
  width: min(520px, calc(100% - 40px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.hero-stats div {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats strong {
  display: block;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.75);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
}

.hero-pager {
  position: absolute;
  right: clamp(20px, 4vw, 56px);
  top: 50%;
  z-index: 3;
  display: grid;
  gap: 12px;
  transform: translateY(-50%);
}

.hero-pager button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.hero-pager button.is-active {
  height: 28px;
  border-radius: 999px;
  background: #fff;
}

.quick-nav {
  position: absolute;
  right: clamp(20px, 4vw, 56px);
  bottom: 28px;
  left: clamp(20px, 4vw, 56px);
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.quick-nav a {
  display: grid;
  min-height: 42px;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  transition: background 0.28s ease, transform 0.28s ease;
}

.quick-nav a:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.section {
  width: 100%;
  padding: clamp(88px, 10vw, 142px) clamp(20px, 6vw, 96px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(238, 244, 239, 0.82)),
    radial-gradient(circle at 90% 10%, rgba(138, 169, 156, 0.34), transparent 34%);
}

.section-copy h2,
.section-heading h2,
.study-heading h2,
.honor-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 1.12;
  font-weight: 550;
}

.section-copy p,
.section-heading p,
.study-heading p,
.honor-copy p,
.contact-copy p {
  max-width: 720px;
  color: var(--ink-soft);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 2;
}

.brand-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.brand-badges span {
  padding: 10px 14px;
  border: 1px solid rgba(81, 111, 94, 0.25);
  border-radius: 999px;
  color: var(--moss);
  background: rgba(255, 255, 255, 0.68);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.brand-visual {
  position: relative;
}

.brand-visual img,
.contact-media img {
  width: 100%;
  height: min(68vh, 720px);
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.brand-visual img {
  aspect-ratio: 16 / 9;
  height: auto;
  object-position: center center;
}

.heritage {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  min-height: 620px;
  padding-top: clamp(18px, 3vh, 32px);
  padding-bottom: clamp(18px, 2.6vh, 30px);
  scroll-margin-top: 58px;
  color: var(--porcelain);
  background:
    linear-gradient(135deg, rgba(23, 32, 29, 0.94), rgba(33, 56, 48, 0.92)),
    url("./assets/images/craft-kiln.jpg") center/cover;
}

.section-heading {
  width: min(850px, 100%);
  margin-bottom: 42px;
}

.heritage .section-heading p {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.76);
}

.heritage-top {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.38fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  margin-bottom: clamp(12px, 1.8vw, 20px);
}

.heritage-top .section-heading {
  margin-bottom: 0;
}

.heritage-top .section-heading h2 {
  font-size: clamp(42px, 4.5vw, 64px);
}

.heritage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.heritage-card {
  min-height: 330px;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(16px);
  transition: transform 0.34s ease, background 0.34s ease;
}

.heritage-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.14);
}

.heritage-card span {
  color: var(--gold);
  font-size: 18px;
}

.heritage-card h3 {
  margin: 58px 0 16px;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 500;
}

.heritage-card p {
  color: rgba(255, 255, 255, 0.76);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.9;
}

.heritage-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(26px, 5vw, 68px);
  align-items: center;
  margin-top: 18px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.045);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
}

.heritage-story-copy h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.18;
  font-weight: 500;
}

.heritage-story-copy p {
  color: rgba(255, 255, 255, 0.76);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 2;
}

.heritage-story-image {
  position: relative;
}

.heritage-story-image::after {
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 42%;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(196, 165, 106, 0.38);
  border-radius: 50%;
}

.heritage-story-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: min(52vh, 520px);
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.24);
}

.heritage-specs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.heritage-specs article {
  min-height: 190px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.heritage-specs article:hover {
  transform: translateY(-5px);
  border-color: rgba(196, 165, 106, 0.42);
  background: rgba(255, 255, 255, 0.105);
}

.heritage-specs b {
  display: block;
  color: var(--gold);
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 500;
}

.heritage-specs p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.85;
}

.heritage-quote {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 56px);
  align-items: start;
  margin-top: 18px;
  padding: clamp(24px, 4vw, 44px);
  border-top: 1px solid rgba(196, 165, 106, 0.28);
  border-bottom: 1px solid rgba(196, 165, 106, 0.2);
}

.heritage-quote span {
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.heritage-quote p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.75;
  font-weight: 500;
}

.heritage-switch {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(22px, 2.4vw, 38px);
  padding-top: 0;
}

.heritage-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0 8px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.68);
  cursor: pointer;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 15px;
  white-space: nowrap;
  transition: color 0.24s ease;
}

.heritage-tab::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: block;
  height: 1px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.28s ease;
}

.heritage-tab:hover,
.heritage-tab.is-active {
  color: #fff;
}

.heritage-tab:hover::after,
.heritage-tab.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.heritage-stage {
  position: relative;
  flex: 1 1 0;
  height: auto;
  min-height: 0;
  margin-top: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 82% 18%, rgba(196, 165, 106, 0.14), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.05);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.heritage-panel {
  display: none;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  grid-template-rows: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 50px);
  align-items: stretch;
  height: 100%;
  min-height: 0;
  padding: clamp(24px, 3vw, 36px);
}

.heritage-panel[data-heritage-panel="master"] {
  grid-template-columns: minmax(0, 1.34fr) minmax(320px, 0.66fr);
  gap: clamp(28px, 3.4vw, 58px);
}

.heritage-panel[data-heritage-panel="porcelain"] {
  grid-template-columns: minmax(0, 1.24fr) minmax(300px, 0.76fr);
}

.heritage-panel[data-heritage-panel="craft"] {
  grid-template-columns: minmax(820px, 0.94fr) minmax(360px, 1fr);
  gap: clamp(28px, 3.2vw, 58px);
  background:
    radial-gradient(circle at 18% 22%, rgba(196, 165, 106, 0.14), transparent 30%),
    linear-gradient(120deg, rgba(20, 31, 27, 0.72), rgba(45, 62, 54, 0.58));
}

.heritage-panel.is-active {
  display: grid;
  animation: heritagePanelIn 0.58s ease both;
}

.heritage-panel-copy {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 0;
}

.heritage-panel[data-heritage-panel="master"] .heritage-panel-copy {
  align-content: center;
}

.heritage-panel[data-heritage-panel="master"] .section-kicker {
  margin-bottom: 10px;
}

.heritage-panel-copy h3 {
  margin: 0;
  font-size: clamp(36px, 3.7vw, 58px);
  line-height: 1.08;
  font-weight: 500;
}

.heritage-panel[data-heritage-panel="master"] .heritage-panel-copy h3 {
  font-size: clamp(36px, 3.7vw, 58px);
}

.heritage-panel[data-heritage-panel="porcelain"] .heritage-panel-copy h3 {
  max-width: 980px;
}

.heritage-panel-copy p {
  margin: 12px 0 0;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.77);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.68;
}

.heritage-panel[data-heritage-panel="master"] .heritage-panel-copy p {
  margin-top: 10px;
  max-width: 100%;
  font-size: 14px;
  line-height: 1.65;
}

.heritage-panel-copy h3 + p,
.heritage-panel-copy h3 + .porcelain-intro,
.heritage-panel[data-heritage-panel="master"] .heritage-panel-copy h3 + p {
  margin-top: clamp(16px, 1.7vw, 24px);
}

.porcelain-intro {
  display: grid;
  gap: 6px;
  max-width: 980px;
}

.heritage-panel-copy .porcelain-intro p {
  margin: 0;
  max-width: 100%;
  font-size: 14px;
  line-height: 1.65;
}

.porcelain-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 10px;
  max-width: 980px;
}

.porcelain-features div {
  padding: 7px 8px;
  border: 1px solid rgba(196, 165, 106, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.055);
}

.porcelain-features strong {
  display: block;
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 10.5px;
  line-height: 1.2;
}

.porcelain-features span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.74);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 9.5px;
  line-height: 1.32;
}

.master-awards {
  width: 100%;
  margin: 14px 0 0;
  padding: 15px 16px;
  border: 1px solid rgba(196, 165, 106, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(196, 165, 106, 0.11), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.04);
}

.master-awards-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.master-awards-head span {
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.master-awards-head b {
  color: rgba(255, 255, 255, 0.72);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 500;
}

.master-awards ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.76);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: clamp(11px, 0.62vw, 12px);
  line-height: 1.2;
}

.master-awards li {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
}

.master-awards li::before {
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(196, 165, 106, 0.55);
}

.master-awards li::after {
  flex: 1 1 auto;
  height: 1px;
  min-width: 12px;
  content: "";
  background: linear-gradient(90deg, rgba(196, 165, 106, 0.22), transparent);
}

.master-awards li span {
  flex: 0 1 auto;
  color: var(--gold);
  overflow: visible;
  text-overflow: clip;
}

.master-story {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  max-width: 100%;
}

.heritage-panel[data-heritage-panel="master"] .master-story p {
  margin-top: 0;
  max-width: 920px;
}

@media (max-height: 820px) and (min-width: 900px) {
  .hero {
    padding-top: 96px;
    padding-bottom: 72px;
  }

  .hero h1 {
    font-size: clamp(50px, 7vw, 108px);
  }

  .hero-copy {
    margin-top: 20px;
    line-height: 1.75;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .heritage {
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .heritage-top .section-heading h2 {
    font-size: clamp(40px, 4vw, 56px);
  }

  .heritage .section-heading p {
    margin: 10px 0 0;
    line-height: 1.5;
  }

  .heritage-panel {
    padding: 24px;
  }

  .heritage-panel[data-heritage-panel="master"] {
    grid-template-columns: minmax(0, 1.32fr) minmax(300px, 0.68fr);
    gap: 34px;
  }

  .heritage-panel[data-heritage-panel="porcelain"] {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  }

  .heritage-panel[data-heritage-panel="master"] .heritage-panel-copy h3 {
    font-size: clamp(36px, 3.7vw, 58px);
  }

  .heritage-panel[data-heritage-panel="master"] .heritage-panel-copy p {
    font-size: 13px;
    line-height: 1.55;
  }

  .heritage-panel-copy .porcelain-intro p {
    font-size: 13px;
    line-height: 1.55;
  }

  .master-awards {
    margin: 10px 0 12px;
    padding: 12px 14px;
  }

  .master-awards-head {
    margin-bottom: 5px;
  }

  .master-awards-head span,
  .master-awards-head b {
    font-size: 11px;
  }

  .master-awards ol {
    gap: 6px 14px;
    font-size: 10.5px;
  }

  .master-story {
    gap: 6px;
  }

  .heritage-points {
    gap: 6px;
    margin-top: 8px;
  }

  .heritage-points span {
    padding: 5px 8px;
    font-size: 10px;
  }
}

.heritage-panel-media {
  position: relative;
  min-height: 0;
  height: auto;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.heritage-panel-media::before {
  position: absolute;
  inset: 22px -14px -14px 22px;
  z-index: 3;
  content: "";
  border: 1px solid rgba(196, 165, 106, 0.34);
  border-radius: var(--radius);
}

.heritage-panel-media.master-media::after {
  position: absolute;
  inset: -24px;
  z-index: 0;
  content: "";
  background: linear-gradient(rgba(12, 18, 16, 0.2), rgba(12, 18, 16, 0.38)), url("./assets/images/master-xuwenkui.jpg") center / cover;
  filter: blur(18px);
  transform: scale(1.05);
  opacity: 0.62;
}

.heritage-panel-media img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
}

.heritage-panel-media img.master-portrait {
  object-fit: contain;
  background: transparent;
}

.heritage-panel-media img.heritage-work-image {
  object-fit: contain;
  background: #050504;
}

.heritage-panel-media.craft-media {
  min-height: 560px;
}

.heritage-panel-media.craft-media::before {
  inset: 18px;
  border-color: rgba(255, 255, 255, 0.22);
}

.heritage-panel-media.craft-media::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background:
    linear-gradient(180deg, rgba(8, 12, 11, 0.06), rgba(8, 12, 11, 0.48)),
    radial-gradient(circle at 70% 22%, rgba(255, 255, 255, 0.18), transparent 34%);
  pointer-events: none;
}

.heritage-panel-media.craft-media img {
  filter: saturate(0.96) contrast(1.03);
}

.craft-media-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 4;
  padding: 18px 20px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(16, 24, 21, 0.74);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
}

.craft-media-caption span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.craft-media-caption strong {
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.45;
  font-weight: 500;
}

.heritage-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.heritage-points span {
  padding: 6px 9px;
  color: var(--gold);
  border: 1px solid rgba(196, 165, 106, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 11px;
}

.heritage-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(820px, 100%);
  margin-top: 26px;
}

.heritage-metrics div {
  min-width: 0;
  min-height: 116px;
  padding: 16px 14px;
  border: 1px solid rgba(196, 165, 106, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(196, 165, 106, 0.13), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.04);
}

.heritage-metrics strong {
  display: block;
  color: var(--gold);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
  font-weight: 500;
  white-space: nowrap;
  overflow-wrap: normal;
}

.heritage-metrics span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.45;
}

.craft-points {
  display: grid;
  gap: 9px;
  width: min(820px, 100%);
  margin-top: 14px;
}

.craft-points div {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 14px;
  align-items: start;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.craft-points b {
  color: #fff;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.craft-points span {
  color: rgba(255, 255, 255, 0.7);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.68;
}

@keyframes heritagePanelIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@media (max-width: 1280px) {
  .site-header {
    padding-inline: clamp(18px, 3vw, 38px);
  }

  .brand {
    min-width: 360px;
    gap: 6px;
  }

  .brand-mark {
    width: 60px;
    height: 54px;
  }

  .brand-logo {
    width: 58px;
    height: 54px;
  }

  .brand strong {
    font-size: 20px;
  }

  .brand small {
    font-size: 11px;
  }

  .brand-rule {
    height: 4px;
  }

  .desktop-nav {
    gap: clamp(12px, 1.6vw, 22px);
    font-size: 13px;
  }

  .hero {
    padding-inline: clamp(28px, 5vw, 64px);
  }

  .hero-content {
    width: min(560px, 58vw);
  }

  .hero h1 {
    font-size: clamp(54px, 7.2vw, 92px);
  }

  .hero-copy {
    width: min(520px, 100%);
  }

  .hero-slide {
    object-position: 69% center;
  }

  .hero-work-name {
    left: auto;
    right: clamp(56px, 7vw, 92px);
    font-size: clamp(22px, 2.4vw, 32px);
  }

  .hero-pager {
    right: clamp(18px, 2.8vw, 36px);
  }

  .heritage-panel[data-heritage-panel="craft"] {
    grid-template-columns: 1fr;
  }

  .heritage-panel-media.craft-media {
    min-height: 420px;
  }
}

@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: 100svh;
    padding-top: 112px;
  }

  .hero-slide {
    object-position: center center;
  }

  .hero-work-name {
    left: auto;
    right: 58px;
    top: 52%;
    font-size: clamp(22px, 6.2vw, 32px);
  }

  .hero-stats {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 40px;
  }

  .hero-pager {
    top: auto;
    right: 24px;
    bottom: 92px;
    grid-auto-flow: column;
    transform: none;
  }

  .hero-pager button.is-active {
    width: 28px;
    height: 10px;
  }

  .quick-nav {
    display: none;
  }
}

@keyframes heroDriftLeft {
  from {
    transform: translate3d(34px, 0, 0) scale(0.96);
  }
  to {
    transform: translate3d(-10px, 0, 0) scale(1);
  }
}

@keyframes heroLiftUp {
  from {
    transform: translate3d(0, 34px, 0) scale(0.98);
  }
  to {
    transform: translate3d(0, -8px, 0) scale(1);
  }
}

@keyframes heroScaleIn {
  from {
    transform: scale(0.92);
  }
  to {
    transform: scale(1.015);
  }
}

@keyframes heroSlideRight {
  from {
    transform: translate3d(-34px, 0, 0) scale(0.97);
  }
  to {
    transform: translate3d(10px, 0, 0) scale(1);
  }
}

@keyframes heroFocusPull {
  from {
    filter: blur(18px) brightness(0.68);
    transform: scale(1.04);
  }
  to {
    filter: blur(0) brightness(1);
    transform: scale(1);
  }
}

@keyframes heroFloatDown {
  from {
    transform: translate3d(0, -28px, 0) scale(0.97);
  }
  to {
    transform: translate3d(0, 10px, 0) scale(1);
  }
}

@keyframes heroWorkNameIn {
  from {
    opacity: 0;
    transform: translate3d(14px, calc(-50% + 10px), 0);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translate3d(0, -50%, 0);
    filter: blur(0);
  }
}

.craft-section {
  background:
    linear-gradient(180deg, rgba(247, 245, 239, 1), rgba(232, 238, 232, 0.92)),
    radial-gradient(circle at 10% 40%, rgba(166, 61, 45, 0.1), transparent 30%);
}

.craft-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.58fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
}

.craft-stage {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  grid-template-rows: 240px 240px;
  gap: 14px;
}

.craft-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(23, 32, 29, 0.12);
}

.craft-stage img:first-child {
  grid-row: span 2;
}

.craft-timeline {
  display: grid;
  align-content: center;
  gap: 14px;
}

.timeline-item {
  position: relative;
  padding: 20px 20px 20px 28px;
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, 0.6);
}

.timeline-item b {
  font-size: 20px;
}

.timeline-item p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

.study-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(239, 244, 239, 0.96)),
    radial-gradient(circle at 82% 10%, rgba(138, 169, 156, 0.22), transparent 32%);
}

.study-heading {
  width: min(850px, 100%);
  margin-bottom: 42px;
}

.study-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.72fr);
  gap: 18px;
  align-items: stretch;
}

.study-visual {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 22px 58px rgba(23, 32, 29, 0.14);
}

.study-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.study-badge {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 18px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(23, 32, 29, 0.78);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.study-badge span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.study-badge strong {
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.35;
  font-weight: 500;
}

.study-programs {
  display: grid;
  gap: 12px;
}

.study-programs article {
  display: block;
  padding: 22px;
  border: 1px solid rgba(23, 32, 29, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 42px rgba(23, 32, 29, 0.08);
}

.study-programs span {
  color: var(--cinnabar);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  line-height: 1;
}

.study-programs h3 {
  margin: 8px 0 10px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.22;
  font-weight: 500;
}

.study-programs p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

.study-programs b {
  display: inline-flex;
  width: fit-content;
  margin: 0 6px 6px 0;
  padding: 6px 9px;
  color: var(--moss);
  border-radius: 999px;
  background: rgba(138, 169, 156, 0.14);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.study-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.study-gallery figure {
  position: relative;
  min-height: 230px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(23, 32, 29, 0.1);
}

.study-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.study-gallery figure:hover img {
  transform: scale(1.04);
}

.study-gallery figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  color: #fff;
  border-radius: 999px;
  background: rgba(23, 32, 29, 0.68);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  backdrop-filter: blur(10px);
}

.product-section {
  background: var(--porcelain);
}

.product-section .section-heading {
  max-width: none;
}

.product-section .section-heading h2 {
  width: max-content;
  max-width: 100%;
  white-space: nowrap;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 260px;
  gap: 16px;
}

.product-grid--series {
  grid-auto-rows: 286px;
}

.product-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  color: #fff;
  background: #22332d;
  box-shadow: 0 16px 46px rgba(23, 32, 29, 0.12);
}

.product-card.tall {
  grid-row: span 2;
}

.product-card.wide {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease, filter 0.7s ease;
}

.product-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 34%, rgba(8, 12, 11, 0.78));
}

.product-card div {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  z-index: 2;
}

.product-card span {
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.product-card h3 {
  margin: 8px 0 0;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.25;
  font-weight: 500;
}

.product-card p {
  max-width: 28em;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.55;
}

.product-card:hover img {
  filter: saturate(1.06) contrast(1.04);
  transform: scale(1.08);
}

.product-page {
  background: var(--paper);
}

.product-page .site-header:not(.is-scrolled) {
  background: linear-gradient(180deg, rgba(12, 14, 13, 0.58), rgba(12, 14, 13, 0));
}

.product-hero-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(28px, 5vw, 82px);
  align-items: center;
  min-height: min(820px, var(--app-vh));
  padding: calc(var(--header-height) + 52px) clamp(22px, 5vw, 82px) 58px;
  color: #fff;
  background:
    linear-gradient(105deg, rgba(12, 16, 14, 0.96), rgba(34, 47, 40, 0.9) 48%, rgba(96, 42, 31, 0.82)),
    #17201d;
}

.product-hero-copy {
  max-width: 720px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 32px;
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.back-link:hover {
  color: #fff;
  border-color: rgba(196, 165, 106, 0.72);
}

.product-hero-copy h1 {
  margin: 14px 0 24px;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 1.05;
  font-weight: 500;
}

.product-hero-copy > p:not(.section-kicker) {
  max-width: 40em;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.9;
}

.series-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.series-highlights span {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(196, 165, 106, 0.38);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.product-hero-visual {
  position: relative;
  min-height: clamp(420px, 60vh, 660px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: #050505;
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.34);
}

.product-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.product-hero-visual span {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 9px 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(10, 12, 11, 0.58);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  backdrop-filter: blur(10px);
}

.series-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 12;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px clamp(18px, 5vw, 82px);
  background: rgba(247, 245, 239, 0.92);
  border-bottom: 1px solid rgba(23, 32, 29, 0.08);
  box-shadow: 0 16px 36px rgba(23, 32, 29, 0.06);
  backdrop-filter: blur(18px);
  scrollbar-width: none;
}

.series-nav::-webkit-scrollbar {
  display: none;
}

.series-nav a {
  flex: 0 0 auto;
  padding: 10px 14px;
  color: var(--ink-soft);
  border: 1px solid rgba(23, 32, 29, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.series-nav a:hover,
.series-nav a.is-active {
  color: #fff;
  border-color: rgba(166, 61, 45, 0.42);
  background: var(--cinnabar);
}

.product-showcase-section {
  padding: clamp(54px, 7vw, 96px) clamp(18px, 5vw, 82px) clamp(70px, 8vw, 110px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(247, 245, 239, 0.78)),
    var(--paper);
}

.showcase-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(280px, 0.44fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 30px;
}

.showcase-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: 1.12;
  font-weight: 500;
}

.showcase-heading p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.showcase-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(23, 32, 29, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 22px 56px rgba(23, 32, 29, 0.1);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.showcase-card:hover {
  transform: translateY(-5px);
  border-color: rgba(196, 165, 106, 0.5);
  box-shadow: 0 30px 70px rgba(23, 32, 29, 0.16);
}

.showcase-image {
  display: grid;
  aspect-ratio: 3 / 2;
  place-items: center;
  overflow: hidden;
  background: #050505;
}

.showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.6s ease;
}

.showcase-card:hover .showcase-image img {
  transform: scale(1.018);
}

.showcase-copy {
  display: grid;
  align-content: start;
  min-height: 270px;
  padding: 22px;
}

.showcase-copy span {
  color: var(--cinnabar);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.showcase-copy h3 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.28;
  font-weight: 500;
}

.showcase-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.76;
}

.showcase-spec {
  width: fit-content;
  margin-bottom: 10px !important;
  padding: 7px 10px;
  color: var(--ink) !important;
  border: 1px solid rgba(81, 111, 94, 0.2);
  border-radius: 999px;
  background: rgba(138, 169, 156, 0.12);
  font-size: 13px !important;
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.showcase-tags b {
  padding: 6px 9px;
  color: var(--moss);
  border-radius: 999px;
  background: rgba(138, 169, 156, 0.14);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
}

.next-series {
  width: fit-content;
  margin: 34px auto 0;
}

.honors {
  min-height: auto;
  color: #f7f5ef;
  background:
    linear-gradient(135deg, rgba(19, 28, 25, 0.96), rgba(43, 58, 51, 0.93)),
    radial-gradient(circle at 10% 20%, rgba(196, 165, 106, 0.18), transparent 30%),
    radial-gradient(circle at 86% 8%, rgba(138, 169, 156, 0.2), transparent 34%);
}

.honors::before {
  position: absolute;
  inset: 88px clamp(20px, 6vw, 96px) auto auto;
  width: clamp(160px, 22vw, 340px);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(196, 165, 106, 0.28);
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.06);
}

.honor-copy {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.68fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(34px, 5vw, 64px);
}

.honor-copy p {
  color: rgba(247, 245, 239, 0.72);
}

.honor-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.honor-card {
  position: relative;
  display: grid;
  align-content: space-between;
  min-height: 198px;
  padding: 22px;
  overflow: hidden;
  border: 1px solid rgba(247, 245, 239, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
  transition: transform 0.34s ease, border-color 0.34s ease, background 0.34s ease;
}

.honor-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7), transparent);
  opacity: 0.38;
}

.honor-card::after {
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 116px;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(196, 165, 106, 0.24);
  border-radius: 50%;
}

.honor-card:hover {
  transform: translateY(-6px);
  border-color: rgba(196, 165, 106, 0.48);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.07)),
    rgba(255, 255, 255, 0.05);
}

.honor-card--national {
  background:
    linear-gradient(145deg, rgba(166, 61, 45, 0.34), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.05);
}

.honor-card--feature {
  grid-column: span 2;
  background:
    linear-gradient(145deg, rgba(196, 165, 106, 0.28), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.05);
}

.honor-index {
  color: rgba(247, 245, 239, 0.48);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1;
}

.honor-card b {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 6px 10px;
  color: var(--gold);
  border: 1px solid rgba(196, 165, 106, 0.36);
  border-radius: 999px;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.honor-card h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(19px, 1.75vw, 25px);
  line-height: 1.48;
  font-weight: 500;
}

.honor-gallery {
  position: relative;
  z-index: 1;
  margin-top: clamp(24px, 4vw, 42px);
  padding-top: 28px;
  border-top: 1px solid rgba(247, 245, 239, 0.12);
}

.honor-gallery-head {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 18px;
}

.honor-gallery-head span {
  color: var(--gold);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.honor-gallery-head h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.15;
  font-weight: 500;
}

.honor-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.honor-gallery figure {
  position: relative;
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  min-height: 0;
  margin: 0;
  padding: 10px 10px 11px;
  overflow: hidden;
  border: 1px solid rgba(247, 245, 239, 0.13);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.16);
  transition: transform 0.34s ease, border-color 0.34s ease, background 0.34s ease;
}

.honor-gallery figure::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.14) 38%, transparent 62%);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 0.34s ease, transform 0.6s ease;
}

.honor-gallery figure:hover {
  transform: translateY(-5px);
  border-color: rgba(196, 165, 106, 0.42);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.05);
}

.honor-gallery figure:hover::before {
  opacity: 1;
  transform: translateX(65%);
}

.honor-gallery img {
  align-self: center;
  justify-self: center;
  width: auto;
  max-width: min(100%, 360px);
  height: clamp(116px, 8.5vw, 158px);
  object-fit: contain;
  padding: 8px;
  border-radius: 6px;
  background: rgba(247, 245, 239, 0.92);
  box-shadow: inset 0 0 0 1px rgba(23, 32, 29, 0.06);
}

.honor-gallery figcaption {
  margin-top: 9px;
  color: rgba(247, 245, 239, 0.78);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.55;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1fr);
  gap: clamp(34px, 6vw, 90px);
  align-items: center;
  color: var(--porcelain);
  background:
    linear-gradient(135deg, rgba(23, 32, 29, 0.96), rgba(61, 72, 66, 0.94)),
    radial-gradient(circle at 75% 20%, rgba(196, 165, 106, 0.16), transparent 30%);
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-copy small {
  display: block;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.52);
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

.contact-section .btn.outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.46);
}

.contact-section .btn.outline:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.86);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 96px);
  color: rgba(255, 255, 255, 0.72);
  background: #111715;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: 100svh;
    padding-top: 112px;
  }

  .hero-slide {
    object-position: center center;
  }

  .hero-work-name {
    left: auto;
    right: 58px;
    top: 52%;
    font-size: clamp(22px, 6.2vw, 32px);
  }

  .hero-stats {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 40px;
  }

  .hero-pager {
    top: auto;
    right: 24px;
    bottom: 92px;
    grid-auto-flow: column;
    transform: none;
  }

  .hero-pager button.is-active {
    width: 28px;
    height: 10px;
  }

  .quick-nav {
    display: none;
  }

  .split-section,
  .craft-showcase,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .honor-copy {
    grid-template-columns: 1fr;
  }

  .honor-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .honor-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .heritage-story {
    grid-template-columns: 1fr;
  }

  .heritage-top {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .heritage-switch {
    justify-content: flex-start;
    gap: 20px;
  }

  .heritage-panel {
    grid-template-columns: 1fr;
  }

  .heritage-panel[data-heritage-panel="craft"] {
    grid-template-columns: 1fr;
  }

  .heritage-panel-media {
    min-height: 360px;
  }

  .heritage-panel-media.craft-media {
    min-height: 420px;
  }

  .heritage-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .study-heading,
  .study-layout {
    grid-template-columns: 1fr;
  }

  .study-visual {
    min-height: 420px;
  }

  .study-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-hero-detail,
  .showcase-heading {
    grid-template-columns: 1fr;
  }

  .product-hero-detail {
    min-height: auto;
  }

  .product-hero-visual {
    min-height: 460px;
  }

  .showcase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-section .section-heading h2 {
    font-size: clamp(36px, 8vw, 56px);
  }
}

@media (max-width: 820px) {
  .hero {
    display: block;
    min-height: 100svh;
    padding: 150px clamp(20px, 5vw, 38px) 280px;
  }

  .hero-media {
    inset: auto 0 46px;
    height: min(24vh, 200px);
  }

  .hero-content {
    width: min(100%, 460px);
    max-width: calc(100vw - clamp(40px, 10vw, 76px));
  }

  .hero-copy {
    width: min(100%, 420px);
  }

  .hero-slide {
    object-position: center center;
  }

  .hero-work-name {
    right: clamp(24px, 6vw, 42px);
    top: auto;
    bottom: 122px;
    transform: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 16px 18px;
  }

  .brand {
    min-width: 0;
    max-width: calc(100vw - 92px);
    height: 48px;
    gap: 9px;
  }

  .brand-mark {
    width: 52px;
    height: 48px;
  }

  .brand-logo {
    width: 51px;
    height: 48px;
  }

  .brand-registered {
    width: 12px;
    height: 12px;
    border-width: 1px;
    font-size: 8px;
  }

  .brand-copy {
    gap: 3px;
    min-width: 0;
  }

  .brand strong {
    font-size: clamp(15px, 3.8vw, 18px);
  }

  .brand small {
    font-size: clamp(7px, 1.8vw, 9px);
  }

  .brand-rule {
    height: 3px;
    margin-top: 1px;
  }

  .hero {
    display: block;
    min-height: 100svh;
    padding: 150px 20px 320px;
  }

  .hero-media {
    inset: auto 0 68px;
    height: min(30vh, 250px);
  }

  .hero-content {
    width: min(100%, 360px);
    max-width: calc(100vw - 40px);
  }

  .hero h1 {
    font-size: clamp(46px, 15vw, 64px);
    line-height: 1;
  }

  .hero-copy {
    width: min(100%, 330px);
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.82;
  }

  .hero-actions {
    margin-top: 30px;
  }

  .hero-slide {
    object-position: center center;
  }

  .hero-work-name {
    right: 22px;
    top: auto;
    bottom: 112px;
    font-size: clamp(20px, 6vw, 26px);
    transform: none;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .section {
    min-height: auto;
    padding: 82px 20px;
  }

  .product-section .section-heading h2 {
    font-size: clamp(25px, 7vw, 38px);
  }

  .brand-visual img,
  .contact-media img {
    height: 420px;
  }

  .brand-visual img {
    height: auto;
  }

  .craft-stage {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 260px);
  }

  .craft-stage img:first-child {
    grid-row: auto;
  }

  .heritage-specs {
    grid-template-columns: 1fr;
  }

  .heritage-quote {
    grid-template-columns: 1fr;
  }

  .heritage-story-image img {
    height: 360px;
  }

  .heritage-stage {
    height: auto;
    min-height: auto;
  }

  .heritage-panel {
    padding: 22px;
  }

  .heritage-panel-copy h3 {
    font-size: clamp(38px, 12vw, 56px);
  }

  .master-awards {
    padding: 14px;
  }

  .master-awards-head {
    display: grid;
    gap: 6px;
  }

  .master-awards ol {
    grid-template-columns: 1fr;
  }

  .heritage-panel-media {
    min-height: 300px;
  }

  .heritage-metrics {
    grid-template-columns: 1fr;
  }

  .heritage-metrics div {
    min-height: 0;
  }

  .craft-points div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .heritage-panel-media.craft-media {
    min-height: 320px;
  }

  .craft-media-caption {
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 14px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 330px;
  }

  .study-heading h2 {
    font-size: clamp(34px, 10vw, 52px);
  }

  .study-visual {
    min-height: 340px;
  }

  .study-badge {
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 14px;
  }

  .study-programs article {
    padding: 18px;
  }

  .study-gallery {
    grid-template-columns: 1fr;
  }

  .study-gallery figure {
    min-height: 240px;
  }

  .product-card p {
    font-size: 12px;
  }

  .product-card.tall,
  .product-card.wide {
    grid-row: auto;
    grid-column: auto;
  }

  .product-hero-detail {
    gap: 26px;
    padding: calc(var(--header-height) + 36px) 18px 34px;
  }

  .product-hero-copy h1 {
    font-size: clamp(38px, 12vw, 58px);
  }

  .product-hero-copy > p:not(.section-kicker) {
    font-size: 15px;
  }

  .product-hero-visual {
    min-height: 330px;
  }

  .series-nav {
    top: var(--header-height);
    padding: 10px 18px;
  }

  .product-showcase-section {
    padding: 52px 18px 76px;
  }

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

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

  .showcase-copy {
    min-height: auto;
    padding: 18px;
  }

  .honor-list {
    grid-template-columns: 1fr;
  }

  .honor-card--feature {
    grid-column: auto;
  }

  .honor-gallery-grid {
    grid-template-columns: 1fr;
  }

  .honor-gallery figure {
    min-height: 0;
  }

  .honor-gallery-head {
    display: grid;
    gap: 8px;
  }

  .honor-gallery img {
    height: clamp(126px, 38vw, 180px);
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}