:root {
  --green-black: #04110e;
  --green-980: #071815;
  --green-940: #0a241f;
  --green-880: #113a32;
  --green-760: #22584d;
  --ivory: #f8f3e8;
  --ivory-soft: #efe7d8;
  --ivory-warm: #fbf8ef;
  --ivory-muted: #d8cfbd;
  --gold: #b89d62;
  --red: #9f342c;
  --red-soft: #c15b50;
  --stone: #7d837b;
  --ink: #17211d;
  --line-dark: rgba(7, 24, 21, 0.13);
  --line-light: rgba(248, 243, 232, 0.15);
  --shadow-soft: 0 28px 80px rgba(4, 17, 14, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  letter-spacing: 0;
  line-height: 1.7;
}

body.is-menu-open {
  overflow: hidden;
}

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

.image-fallback {
  align-items: center;
  background:
    linear-gradient(145deg, rgba(248, 243, 232, 0.08), rgba(248, 243, 232, 0.024)),
    rgba(4, 17, 14, 0.36);
  border: 1px solid rgba(184, 157, 98, 0.22);
  color: rgba(248, 243, 232, 0.72);
  display: flex;
  font-size: 13px;
  justify-content: center;
  line-height: 1.6;
  min-height: 180px;
  padding: 18px;
  text-align: center;
}

.image-fallback.cert-badge {
  border-radius: 50%;
  font-size: 11px;
  height: 86px;
  min-height: 0;
  width: 86px;
}

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

.site-header {
  align-items: center;
  background: rgba(4, 17, 14, 0.72);
  border-bottom: 1px solid rgba(248, 243, 232, 0.08);
  color: var(--ivory);
  display: flex;
  gap: clamp(28px, 4vw, 64px);
  justify-content: space-between;
  left: 0;
  min-height: 86px;
  padding: 0 clamp(28px, 5.2vw, 88px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 180ms ease, min-height 180ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(4, 17, 14, 0.9);
  min-height: 80px;
}

.brand-mark {
  align-items: center;
  display: flex;
  gap: 16px;
  min-height: 58px;
  min-width: max-content;
}

.brand-icon {
  aspect-ratio: 1;
  border-radius: 10px;
  display: block;
  flex: 0 0 auto;
  height: 56px;
  object-fit: cover;
  width: 56px;
}

.brand-word {
  color: rgba(248, 243, 232, 0.94);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(26px, 1.72vw, 32px);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  white-space: nowrap;
}

.nav-links {
  align-items: center;
  display: flex;
  font-size: clamp(16px, 0.86vw, 18px);
  font-weight: 500;
  gap: clamp(20px, 2vw, 38px);
  justify-content: flex-end;
  min-width: 0;
  white-space: nowrap;
}

.nav-links a {
  color: rgba(248, 243, 232, 0.76);
  line-height: 1;
  padding: 34px 0 30px;
  position: relative;
  transition: color 180ms ease;
}

.nav-links a::after {
  background: rgba(184, 157, 98, 0.78);
  bottom: 22px;
  content: "";
  height: 1px;
  left: 50%;
  opacity: 0;
  position: absolute;
  transform: translateX(-50%);
  transition: opacity 180ms ease, width 180ms ease;
  width: 12px;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: rgba(232, 220, 196, 0.92);
}

.nav-links a:focus {
  outline: none;
}

.nav-links a:focus-visible {
  color: rgba(232, 220, 196, 0.92);
  outline: none;
}

.nav-links a:hover::after,
.nav-links a.is-active::after,
.nav-links a:focus-visible::after {
  opacity: 1;
  width: 22px;
}

.menu-toggle {
  align-items: center;
  background: rgba(248, 243, 232, 0.08);
  border: 1px solid rgba(248, 243, 232, 0.28);
  border-radius: 2px;
  color: var(--ivory);
  cursor: pointer;
  display: none;
  height: 46px;
  justify-content: center;
  min-width: 46px;
  padding: 0;
  position: relative;
}

.menu-toggle span {
  background: currentColor;
  height: 1px;
  position: absolute;
  transition: transform 180ms ease;
  width: 19px;
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

.site-header.is-menu-open .menu-toggle span:first-child {
  transform: rotate(45deg);
}

.site-header.is-menu-open .menu-toggle span:last-child {
  transform: rotate(-45deg);
}

.hero {
  align-items: center;
  background:
    radial-gradient(ellipse at 74% 46%, rgba(248, 243, 232, 0.12) 0%, rgba(248, 243, 232, 0.035) 22%, transparent 45%),
    linear-gradient(90deg, rgba(4, 17, 14, 0.96) 0%, rgba(4, 17, 14, 0.78) 30%, rgba(4, 17, 14, 0.28) 55%, rgba(4, 17, 14, 0.04) 100%),
    linear-gradient(0deg, rgba(4, 17, 14, 0.44), transparent 42%),
    url("./assets/image2-hero-balanced-generated.webp") center / cover;
  background-size: auto, auto, auto, max(103vw, 183vh) auto;
  color: var(--ivory);
  display: grid;
  grid-template-columns: minmax(420px, 46%) minmax(0, 54%);
  min-height: 100svh;
  overflow: hidden;
  padding:
    clamp(104px, 11vh, 152px)
    clamp(48px, 5.5vw, 150px)
    clamp(104px, 13vh, 168px)
    clamp(64px, 8vw, 190px);
  position: relative;
  isolation: isolate;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(4, 17, 14, 0.3), transparent 58%),
    radial-gradient(ellipse at 78% 54%, rgba(248, 243, 232, 0.1), transparent 34%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 0;
  animation: heroAtmosphereDrift 32s ease-in-out infinite;
}

.hero::after {
  background:
    radial-gradient(ellipse at 76% 45%, rgba(248, 243, 232, 0.19) 0%, rgba(248, 243, 232, 0.062) 19%, transparent 42%),
    radial-gradient(ellipse at 77% 77%, rgba(4, 17, 14, 0.28) 0%, rgba(4, 17, 14, 0.12) 20%, transparent 38%),
    radial-gradient(ellipse at 82% 49%, rgba(248, 243, 232, 0.105) 0%, rgba(248, 243, 232, 0.038) 14%, transparent 28%),
    radial-gradient(ellipse at 72% 52%, transparent 0%, transparent 38%, rgba(4, 17, 14, 0.14) 68%, rgba(4, 17, 14, 0.28) 100%);
  content: "";
  inset: 0;
  opacity: 0.68;
  pointer-events: none;
  position: absolute;
  transform-origin: 76% 56%;
  z-index: 1;
}

.hero-copy {
  --hero-claim-size: clamp(66px, 4.85vw, 82px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: clamp(520px, 38vw, 580px);
  min-height: clamp(560px, 62vh, 760px);
  min-width: 0;
  position: relative;
  transform: translateY(-4vh);
  z-index: 5;
}

.eyebrow,
.section-kicker {
  color: var(--gold);
  font-size: clamp(13px, 0.86vw, 15px);
  letter-spacing: 0.14em;
  line-height: 1.45;
  margin: 0 0 30px;
  text-transform: uppercase;
}

.eyebrow span {
  display: block;
}

.eyebrow span + span {
  color: rgba(248, 243, 232, 0.68);
  margin-top: 9px;
}

.eyebrow .eyebrow-line {
  align-items: center;
  display: flex;
  justify-content: space-between;
  letter-spacing: 0;
  width: clamp(230px, 16.4vw, 278px);
}

.eyebrow .eyebrow-line i {
  display: block;
  font-style: normal;
  line-height: 1;
}

.hero .eyebrow {
  color: rgba(184, 157, 98, 0.82);
  font-size: clamp(13px, 0.78vw, 15px);
  letter-spacing: 0;
  line-height: 1.55;
  margin-bottom: clamp(44px, 5.2vh, 64px);
}

h1,
h2,
h3 {
  font-family: "SimSun", "Songti SC", serif;
  font-weight: 700;
  letter-spacing: 0;
}

.hero h1 {
  color: rgba(248, 243, 232, 0.96);
  font-size: clamp(104px, 8.6vw, 128px);
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin: 0 0 24px -0.02em;
  white-space: nowrap;
}

.hero h1::after {
  content: none;
}

.hero-subtitle {
  color: rgba(190, 160, 100, 0.9);
  font-family: "SimSun", "Songti SC", serif;
  font-size: var(--hero-claim-size);
  letter-spacing: 0.18em;
  line-height: 1.15;
  margin: 0 0 8px;
  width: fit-content;
}

.hero-subtitle-en {
  align-items: center;
  color: rgba(190, 160, 100, 0.75);
  display: flex;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(12px, 0.72vw, 14px);
  justify-content: space-between;
  letter-spacing: 0;
  line-height: 1.4;
  margin: 0 0 56px;
  text-transform: uppercase;
  width: calc(var(--hero-claim-size) * 4.72);
}

.hero-subtitle-en span {
  display: block;
}

.hero-line {
  --hero-verse-width: 12.8em;
  border-left: 1px solid rgba(190, 160, 100, 0.36);
  color: rgba(245, 241, 226, 0.68);
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  font-size: clamp(18px, 1.12vw, 21px);
  font-weight: 400;
  letter-spacing: 0.075em;
  line-height: 2.04;
  margin: 0;
  max-width: calc(var(--hero-verse-width) + clamp(20px, 1.45vw, 28px));
  padding-left: clamp(20px, 1.45vw, 28px);
  text-shadow: 0 1px 18px rgba(4, 17, 14, 0.16);
}

.hero-line p {
  margin: 0;
}

.hero-line p:first-child {
  color: rgba(248, 243, 232, 0.76);
}

.hero-line p + p {
  margin-top: 20px;
}

.hero-line p + p::before {
  content: none;
}

.hero-verse-line {
  align-items: center;
  display: block;
  justify-content: space-between;
  text-align: justify;
  text-align-last: justify;
  width: var(--hero-verse-width);
}

.hero-verse-line.has-separator {
  display: block;
  width: var(--hero-verse-width);
}

.verse-separator {
  display: none;
}

.hero-verse-line span {
  display: inline;
}

.hero-verse-line + .hero-verse-line {
  margin-top: 0.24em;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 58px;
}

.hero-actions {
  max-width: 100%;
  position: relative;
  width: fit-content;
  z-index: 8;
}

.hero-actions .cta-button {
  font-size: clamp(18px, 1.05vw, 21px);
  min-height: 60px;
  min-width: 214px;
  padding: 0 38px;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.hero-actions .cta-button-primary {
  background: rgba(184, 157, 98, 0.92);
  border-color: rgba(184, 157, 98, 0.92);
  box-shadow:
    0 18px 42px rgba(4, 17, 14, 0.24),
    0 0 0 rgba(184, 157, 98, 0);
  min-height: 64px;
  min-width: 220px;
  padding: 0 42px;
}

.hero-actions .cta-button:hover {
  transform: scale(1.02);
}

.hero-actions .cta-button-primary:hover {
  background: #c8ad73;
  border-color: rgba(222, 197, 137, 0.96);
  box-shadow:
    0 20px 50px rgba(4, 17, 14, 0.28),
    0 0 32px rgba(184, 157, 98, 0.18);
}

.hero-actions .cta-button-secondary {
  background: rgba(4, 17, 14, 0.16);
  border-color: rgba(184, 157, 98, 0.28);
  color: rgba(248, 243, 232, 0.86);
}

.hero-source-mark {
  align-items: center;
  border-top: 1px solid rgba(184, 157, 98, 0.34);
  display: grid;
  gap: clamp(20px, 1.8vw, 34px);
  grid-template-columns: auto auto auto;
  left: clamp(64px, 8vw, 190px);
  margin-top: 0;
  min-height: 70px;
  padding-top: 20px;
  position: absolute;
  right: auto;
  bottom: clamp(20px, 3.5vh, 48px);
  width: min(920px, calc(100vw - clamp(64px, 8vw, 190px) - clamp(48px, 5.5vw, 150px)));
  opacity: 0.58;
  z-index: 2;
}

.hero-source-mark p,
.hero-source-mark span {
  color: rgba(184, 157, 98, 0.78);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(12px, 0.76vw, 15px);
  letter-spacing: 0.16em;
  line-height: 1.4;
  margin: 0;
  text-transform: uppercase;
}

.hero-source-mark ul {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-source-mark li {
  border-left: 1px solid rgba(248, 243, 232, 0.16);
  color: rgba(248, 243, 232, 0.72);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(18px, 1vw, 22px);
  line-height: 1.2;
  padding: 0 clamp(22px, 1.5vw, 30px);
}

.section {
  padding: clamp(88px, 10vw, 160px) clamp(24px, 6vw, 96px);
  scroll-margin-top: 88px;
}

.section-inner {
  margin: 0 auto;
  max-width: 1180px;
  min-width: 0;
}

.origin-section {
  background:
    radial-gradient(ellipse at 80% 18%, rgba(184, 157, 98, 0.09), transparent 34%),
    linear-gradient(180deg, var(--ivory-warm) 0%, var(--ivory) 100%);
  color: var(--ink);
  min-height: calc(100svh - 82px);
  overflow: hidden;
  padding:
    clamp(42px, 5vh, 68px)
    clamp(48px, 5vw, 96px)
    clamp(58px, 6vh, 86px)
    clamp(64px, 8vw, 190px);
  position: relative;
}

.origin-section::before {
  background:
    linear-gradient(90deg, rgba(248, 243, 232, 0.88), transparent 42%),
    radial-gradient(ellipse at 18% 82%, rgba(7, 24, 21, 0.035), transparent 36%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.editorial-split {
  align-items: center;
  display: grid;
  gap: clamp(52px, 8vw, 116px);
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.72fr);
}

.section-copy {
  max-width: 760px;
}

.origin-section .section-inner {
  max-width: none;
  position: relative;
  width: 100%;
  z-index: 1;
}

.origin-section .editorial-split {
  align-items: center;
  gap: clamp(80px, 7vw, 132px);
  grid-template-columns: minmax(380px, 29%) minmax(0, 1fr);
  min-height: calc(100svh - 82px - clamp(100px, 11vh, 154px));
}

.origin-section .section-copy {
  justify-self: start;
  max-width: 540px;
  text-align: left;
  width: 100%;
}

.origin-section .section-kicker {
  color: rgba(125, 117, 96, 0.72);
  font-size: clamp(15px, 0.92vw, 18px);
  letter-spacing: 0.16em;
  margin-bottom: 28px;
}

.origin-section .section-kicker::after {
  background: rgba(184, 157, 98, 0.72);
  content: "";
  display: block;
  height: 1px;
  margin-top: 24px;
  width: 64px;
}

.origin-title-row {
  align-items: flex-start;
  display: flex;
  gap: clamp(12px, 1.2vw, 18px);
  justify-content: flex-start;
  margin-bottom: 38px;
}

.origin-title-row h2 {
  color: var(--green-980);
  font-size: clamp(62px, 4.6vw, 86px);
  line-height: 1.02;
  margin: 0;
  white-space: nowrap;
}

.origin-seal {
  display: block;
  flex: 0 0 auto;
  height: clamp(42px, 3.1vw, 58px);
  margin-left: 2px;
  margin-top: clamp(3px, 0.42vw, 7px);
  object-fit: contain;
  width: clamp(42px, 3.1vw, 58px);
}

.origin-narrative {
  font-family: "SimSun", "Songti SC", serif;
  margin: 0;
  max-width: 420px;
  text-align: left;
  width: min(420px, 100%);
}

.origin-section .origin-location {
  color: rgba(20, 40, 32, 0.68);
  font-size: clamp(18px, 1vw, 20px);
  line-height: 1.8;
  margin: 0 0 20px;
}

.origin-section .origin-body {
  color: rgba(23, 33, 29, 0.72);
  font-size: clamp(18px, 1vw, 20px);
  line-height: 2;
  margin: 0;
  max-width: 400px;
}

.origin-section .origin-verse {
  color: var(--green-940);
  font-size: clamp(24px, 1.55vw, 28px);
  font-weight: 500;
  line-height: 1.6;
  margin: 34px 0 0;
}

.origin-section .origin-signoff {
  color: rgba(145, 126, 82, 0.98);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(26px, 1.7vw, 30px);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.6;
  margin: 42px 0 0;
}

.narrow-heading {
  max-width: 960px;
}

h2 {
  font-size: clamp(38px, 5.2vw, 74px);
  line-height: 1.14;
  margin: 0 0 32px;
}

h3 {
  font-size: 28px;
  line-height: 1.25;
  margin: 0 0 16px;
}

p {
  margin: 0 0 18px;
}

.section-copy p,
.section-heading p,
.cta-inner p,
.product-copy p {
  color: rgba(23, 33, 29, 0.68);
  font-size: 17px;
}

.image-frame {
  border: 1px solid rgba(7, 24, 21, 0.12);
  margin: 0;
  overflow: hidden;
  position: relative;
}

.image-frame::before {
  border: 1px solid rgba(248, 243, 232, 0.26);
  content: "";
  inset: 20px;
  pointer-events: none;
  position: absolute;
  z-index: 1;
}

.image-frame img {
  aspect-ratio: 4 / 5;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.image-frame figcaption {
  bottom: 28px;
  color: rgba(248, 243, 232, 0.72);
  font-family: Georgia, serif;
  font-size: 13px;
  letter-spacing: 0;
  margin: 0;
  position: absolute;
  right: 30px;
  text-transform: uppercase;
  z-index: 1;
}

.origin-carousel {
  background: rgba(7, 24, 21, 0.04);
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(190, 160, 100, 0.18);
  box-shadow: none;
  justify-self: stretch;
  margin-right: 0;
  min-height: 0;
  overflow: visible;
  transform: translateY(0);
  width: 100%;
}

.origin-carousel:hover,
.origin-carousel:focus-within {
  filter: saturate(1.03) contrast(1.02);
}

.origin-carousel::before {
  border: 1px solid rgba(190, 160, 100, 0.08);
  content: "";
  display: block;
  inset: -16px;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.origin-slides,
.origin-slide {
  height: 100%;
  margin: 0;
  position: relative;
}

.origin-slides {
  overflow: hidden;
  z-index: 1;
}

.origin-slide {
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transform: scale(1.012);
  transition:
    opacity 1400ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 1600ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.origin-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
  transform: scale(1);
}

.origin-slide img {
  aspect-ratio: 16 / 10;
  height: 100%;
  object-fit: cover;
  transform: scale(1.035);
  transition: transform 7600ms cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

.origin-slide.is-active img {
  transform: scale(1);
}

.origin-slide::after {
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
  bottom: 0;
  content: "";
  height: 25%;
  left: 0;
  position: absolute;
  right: 0;
  z-index: 1;
}

.origin-slide figcaption {
  bottom: clamp(24px, 2.2vw, 34px);
  left: clamp(28px, 3vw, 46px);
  max-width: calc(100% - 128px);
  right: auto;
  text-transform: none;
  z-index: 2;
}

.origin-slide figcaption span {
  color: rgba(184, 157, 98, 0.92);
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.origin-slide figcaption strong {
  color: var(--ivory);
  display: block;
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.2;
  margin-bottom: 10px;
}

.origin-slide figcaption small {
  color: rgba(248, 243, 232, 0.66);
  display: block;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: clamp(13px, 0.9vw, 15px);
  letter-spacing: 0;
  line-height: 1.6;
  text-transform: none;
}

.origin-carousel-controls {
  align-items: center;
  bottom: clamp(28px, 2.4vw, 38px);
  color: rgba(248, 243, 232, 0.86);
  display: flex;
  gap: 18px;
  position: absolute;
  right: clamp(30px, 3vw, 48px);
  z-index: 3;
}

.origin-carousel-count {
  color: rgba(248, 243, 232, 0.88);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  letter-spacing: 0.14em;
  line-height: 1;
  min-width: 64px;
}

.origin-carousel-arrows {
  align-items: center;
  display: flex;
  gap: 12px;
}

.origin-carousel-arrow {
  align-items: center;
  background: transparent;
  border: 1px solid rgba(248, 243, 232, 0.28);
  color: rgba(248, 243, 232, 0.88);
  cursor: pointer;
  display: inline-flex;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  height: 34px;
  justify-content: center;
  line-height: 1;
  padding: 0;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background 180ms ease;
  width: 34px;
}

.origin-carousel-arrow:hover,
.origin-carousel-arrow:focus-visible {
  background: rgba(248, 243, 232, 0.08);
  border-color: rgba(248, 243, 232, 0.58);
  color: var(--ivory);
}

.product-index {
  color: var(--red);
  display: none;
  font-family: Georgia, serif;
  font-size: 14px;
  margin: 0 0 18px;
}

.vision-section,
.trust-section {
  background: var(--green-980);
  color: var(--ivory);
  padding-left: clamp(64px, 8vw, 190px);
  padding-right: clamp(48px, 5.5vw, 150px);
}

.trust-section {
  background:
    radial-gradient(ellipse at 18% 8%, rgba(184, 157, 98, 0.14), transparent 34%),
    linear-gradient(180deg, var(--ivory-warm) 0%, var(--ivory) 62%, #f2eadb 100%);
  color: var(--ink);
  padding-top: clamp(72px, 6.5vw, 108px);
}

.trust-section .section-inner {
  max-width: none;
  width: 100%;
}

#water-quality {
  scroll-margin-top: 118px;
}

.section-heading {
  margin-bottom: clamp(44px, 6vw, 84px);
  max-width: 840px;
}

.vision-section {
  background: var(--green-black);
  isolation: isolate;
  min-height: 100svh;
  overflow: hidden;
  padding:
    clamp(104px, 9.2vh, 122px)
    clamp(48px, 5.5vw, 150px)
    clamp(56px, 5.2vh, 72px)
    clamp(64px, 8vw, 190px);
  position: relative;
  scroll-margin-top: 0;
}

.HeroVideoBackground,
.HeroOverlay {
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.HeroVideoBackground {
  background:
    url("./assets/images/vision-poster.webp") center / cover,
    linear-gradient(135deg, var(--green-880), var(--green-black));
  inset: -7%;
  overflow: hidden;
  z-index: -3;
}

.HeroVideoBackground-video {
  display: block;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 800ms ease-out;
  width: 100%;
}

.vision-section.is-video-ready .HeroVideoBackground-video {
  opacity: 1;
}

.vision-section.is-video-static .HeroVideoBackground-video {
  display: none;
}

.HeroOverlay {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(0, 0, 0, 0) 58%, rgba(0, 0, 0, 0.18) 100%),
    linear-gradient(90deg, rgba(2, 18, 12, 0.92) 0%, rgba(2, 18, 12, 0.75) 48%, rgba(2, 18, 12, 0.25) 100%),
    linear-gradient(0deg, rgba(2, 12, 9, 0.2) 0%, rgba(2, 12, 9, 0.02) 46%, rgba(2, 12, 9, 0.1) 100%);
  z-index: -2;
}

.vision-visual-inner {
  display: flex;
  flex-direction: column;
  align-content: stretch;
  gap: clamp(48px, 5.8vh, 82px);
  justify-content: space-between;
  max-width: none;
  min-height: calc(100svh - clamp(188px, 16.4vh, 220px));
  padding-top: clamp(14px, 1.8vh, 24px);
  position: relative;
  width: 100%;
}

.vision-copy {
  display: block;
  max-width: min(1180px, 60vw);
}

.vision-copy .section-kicker {
  color: var(--gold);
  margin-bottom: clamp(18px, 2.1vh, 28px);
}

.vision-copy .section-kicker::after {
  background: rgba(184, 157, 98, 0.92);
  content: "";
  display: block;
  height: 1px;
  margin-top: clamp(14px, 1.7vh, 20px);
  width: 72px;
}

.vision-copy h2 {
  font-size: clamp(44px, 3.2vw, 58px);
  line-height: 1.05;
  margin: 0;
}

.vision-title-rule {
  align-items: center;
  display: flex;
  gap: 20px;
  margin: clamp(20px, 2.2vh, 30px) 0 clamp(28px, 3.4vh, 44px);
  width: min(980px, 100%);
}

.vision-title-rule svg {
  color: var(--gold);
  flex: 0 0 auto;
  height: 34px;
  width: 86px;
}

.vision-title-rule path,
.vision-card-icon path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.vision-title-rule span {
  background: linear-gradient(90deg, rgba(184, 157, 98, 0.82), rgba(184, 157, 98, 0.12));
  display: block;
  height: 1px;
  width: 100%;
}

.vision-statement {
  color: rgba(248, 243, 232, 0.94);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(64px, 5vw, 96px);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.26;
  margin: 0 0 clamp(28px, 3vh, 42px);
}

.vision-statement span {
  color: rgba(204, 178, 111, 0.98);
  display: inline-block;
}

.vision-body {
  color: rgba(248, 243, 232, 0.82);
  font-size: clamp(22px, 1.38vw, 28px);
  line-height: 1.78;
  margin: 0;
  max-width: min(920px, 100%);
}

.vision-statement + .vision-body {
  margin-top: 0;
}

.vision-body + .vision-body {
  margin-top: clamp(18px, 2.2vh, 30px);
}

.vision-cards {
  align-self: end;
  display: grid;
  gap: clamp(14px, 1.6vw, 24px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 0;
  width: 100%;
}

.vision-cards article {
  align-items: center;
  backdrop-filter: blur(16px);
  background:
    linear-gradient(145deg, rgba(248, 243, 232, 0.065), rgba(248, 243, 232, 0.018)),
    rgba(6, 27, 21, 0.72);
  border: 1px solid rgba(184, 157, 98, 0.42);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(248, 243, 232, 0.08), 0 28px 54px rgba(0, 0, 0, 0.24);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(214px, 14vw, 260px);
  overflow: hidden;
  padding: clamp(24px, 1.8vw, 34px);
  position: relative;
  text-align: center;
  transform: translateY(0);
  transition:
    background 260ms ease,
    border-color 260ms ease,
    box-shadow 260ms ease,
    transform 260ms ease;
}

.vision-cards article::before {
  background: linear-gradient(90deg, transparent, rgba(248, 243, 232, 0.18), transparent);
  content: "";
  display: block;
  height: 1px;
  left: -45%;
  opacity: 0;
  position: absolute;
  right: auto;
  top: 0;
  transform: translateX(0);
  transition: opacity 260ms ease, transform 520ms ease;
  width: 42%;
}

.vision-cards article::after {
  background: radial-gradient(circle at 50% 0%, rgba(184, 157, 98, 0.14), transparent 58%);
  content: "";
  height: 140px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  right: -46px;
  top: -70px;
  transition: opacity 260ms ease, transform 260ms ease;
  width: 180px;
}

.vision-cards article:hover,
.vision-cards article:focus-within {
  background:
    linear-gradient(145deg, rgba(248, 243, 232, 0.105), rgba(248, 243, 232, 0.032)),
    rgba(7, 34, 27, 0.78);
  border-color: rgba(184, 157, 98, 0.72);
  box-shadow: inset 0 1px 0 rgba(248, 243, 232, 0.12), 0 34px 70px rgba(0, 0, 0, 0.34);
  transform: translateY(-8px);
}

.vision-cards article:hover::before,
.vision-cards article:focus-within::before {
  opacity: 1;
  transform: translateX(360%);
}

.vision-cards article:hover::after,
.vision-cards article:focus-within::after {
  opacity: 1;
  transform: translate(-10px, 8px);
}

.vision-card-icon {
  display: block;
  flex: 0 0 auto;
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.22));
  height: clamp(72px, 4.5vw, 92px);
  margin: 0 auto clamp(18px, 1.3vw, 24px);
  object-fit: contain;
  position: relative;
  transition: color 260ms ease, transform 260ms ease;
  width: clamp(72px, 4.5vw, 92px);
  z-index: 1;
}

.vision-cards article:hover .vision-card-icon,
.vision-cards article:focus-within .vision-card-icon {
  color: #d8bf7e;
  transform: translateY(-3px) scale(1.04);
}

.vision-cards h3 {
  color: var(--ivory);
  font-size: clamp(28px, 1.9vw, 38px);
  line-height: 1.2;
  margin: 0 0 clamp(22px, 1.8vw, 28px);
  position: relative;
  text-align: center;
  z-index: 1;
}

.vision-cards h3::after {
  background: rgba(204, 178, 111, 0.9);
  bottom: clamp(-14px, -0.9vw, -10px);
  content: "";
  height: 1px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  width: 54px;
}

.vision-cards p {
  color: rgba(248, 243, 232, 0.66);
  font-size: clamp(17px, 1vw, 21px);
  line-height: 1.72;
  margin: 0;
  position: relative;
  text-align: center;
  transition: color 260ms ease;
  z-index: 1;
}

.vision-cards article:hover p,
.vision-cards article:focus-within p {
  color: rgba(248, 243, 232, 0.78);
}

.cta-inner p {
  color: rgba(248, 243, 232, 0.68);
}

.section.series-section {
  background: linear-gradient(180deg, var(--ivory) 0%, #f2eadb 100%);
  padding-top: clamp(108px, 9.2vh, 132px);
  padding-left: clamp(64px, 8vw, 190px);
  padding-right: clamp(48px, 5.5vw, 150px);
  scroll-margin-top: 0;
}

.series-section .section-inner {
  max-width: none;
  width: 100%;
}

.product-heading {
  border-top: 1px solid rgba(184, 157, 98, 0.24);
  margin-left: auto;
  margin-right: auto;
  max-width: min(1180px, 100%);
  padding-top: clamp(24px, 3vw, 42px);
  text-align: center;
}

.product-heading .section-kicker {
  margin: 0 0 clamp(18px, 1.6vw, 28px);
}

.series-title {
  align-items: center;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  font-size: clamp(42px, 3.6vw, 68px);
  line-height: 1.1;
  margin: 0;
  max-width: 100%;
}

.series-title span {
  align-items: center;
  display: inline-flex;
  white-space: nowrap;
}

.series-title span + span::before {
  background: rgba(184, 157, 98, 0.72);
  content: "";
  display: inline-block;
  height: 0.58em;
  margin: 0 clamp(18px, 1.8vw, 34px);
  transform: translateY(0.02em);
  width: 1px;
}

.product-grid {
  align-items: stretch;
  display: grid;
  gap: clamp(28px, 2.2vw, 48px);
  grid-template-columns: repeat(3, minmax(260px, 1fr));
}

.product-card {
  background: rgba(255, 252, 245, 0.76);
  border: 1px solid rgba(7, 24, 21, 0.12);
  border-radius: 2px;
  box-shadow: 0 18px 55px rgba(4, 17, 14, 0.08);
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  overflow: hidden;
  position: relative;
  transform: translateY(0);
  transition:
    border-color 260ms ease,
    box-shadow 260ms ease,
    transform 260ms ease;
}

.product-card::before {
  background: linear-gradient(180deg, rgba(184, 157, 98, 0.08), transparent 42%);
  content: "";
  inset: 0;
  opacity: 0.82;
  pointer-events: none;
  position: absolute;
  transition: opacity 260ms ease;
  z-index: 1;
}

.product-card > img {
  aspect-ratio: 4 / 5;
  height: auto;
  min-height: 0;
  object-fit: contain;
  object-position: center;
  position: relative;
  transition: filter 520ms ease;
  width: 100%;
  z-index: 0;
}

.product-copy {
  border-top: 1px solid rgba(7, 24, 21, 0.12);
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 1.8vw, 34px) clamp(28px, 2vw, 44px) clamp(28px, 2.2vw, 42px);
  position: relative;
  transition: border-color 260ms ease, transform 260ms ease;
  z-index: 2;
}

.product-copy::before {
  background: rgba(184, 157, 98, 0.74);
  content: "";
  height: 1px;
  left: clamp(28px, 2vw, 44px);
  position: absolute;
  top: -1px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms ease;
  width: 74px;
}

.product-copy h3 {
  font-size: clamp(36px, 2.4vw, 52px);
  transition: color 260ms ease, transform 260ms ease;
}

.product-copy .product-role {
  color: var(--green-880);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(32px, 2vw, 44px);
  font-weight: 700;
  line-height: 1.18;
  margin-bottom: clamp(20px, 1.6vw, 30px);
  transition: color 260ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .product-card:hover {
    border-color: rgba(184, 157, 98, 0.42);
    box-shadow: 0 28px 72px rgba(4, 17, 14, 0.14);
    transform: translateY(-10px);
  }

  .product-card:hover::before {
    opacity: 1;
  }

  .product-card:hover > img {
    filter: saturate(1.04) contrast(1.03) brightness(1.02);
  }

  .product-card:hover .product-copy {
    border-top-color: rgba(184, 157, 98, 0.38);
    transform: translateY(-2px);
  }

  .product-card:hover .product-copy::before {
    transform: scaleX(1);
  }

  .product-card:hover .product-copy h3 {
    color: var(--green-880);
    transform: translateX(4px);
  }

  .product-card:hover .product-role {
    color: var(--gold);
  }
}

.certification-panel {
  margin-top: 0;
}

.certification-heading {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  margin-bottom: 46px;
  max-width: 1120px;
}

.certification-heading .section-kicker {
  grid-column: 1;
  margin: 0;
}

.certification-heading h3,
.mineral-card h3 {
  color: var(--ink);
  font-size: clamp(30px, 3.6vw, 46px);
  margin: 0;
}

.certification-heading h3 {
  align-self: start;
  grid-column: 1;
  line-height: 1.08;
  max-width: none;
  white-space: nowrap;
}

.certification-heading p:not(.section-kicker),
.mineral-card p {
  color: rgba(23, 33, 29, 0.66);
  font-size: 16px;
  margin: 0;
}

.certification-heading p:not(.section-kicker) {
  grid-column: 1;
  line-height: 1.9;
  max-width: 920px;
  padding-top: 8px;
}

.certification-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.certification-grid article {
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(248, 243, 232, 0.54));
  border: 1px solid rgba(184, 157, 98, 0.2);
  box-shadow: 0 18px 46px rgba(4, 17, 14, 0.055), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 300px;
  overflow: hidden;
  padding: 42px 34px;
  position: relative;
  text-align: center;
  transform: translateY(0);
  transition:
    background 260ms ease,
    border-color 260ms ease,
    box-shadow 260ms ease,
    transform 260ms ease;
}

.certification-grid article::before {
  background: linear-gradient(90deg, transparent, rgba(184, 157, 98, 0.48), transparent);
  content: "";
  height: 1px;
  left: 26px;
  position: absolute;
  right: 26px;
  top: 0;
}

@media (hover: hover) {
  .certification-grid article:hover {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 243, 232, 0.66));
    border-color: rgba(184, 157, 98, 0.36);
    box-shadow: 0 28px 64px rgba(4, 17, 14, 0.11), inset 0 1px 0 rgba(255, 255, 255, 0.86);
    transform: translateY(-8px);
  }
}

.cert-badge {
  border: 1px solid rgba(184, 157, 98, 0.36);
  border-radius: 50%;
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.14);
  display: block;
  height: 98px;
  margin: 0 auto 22px;
  object-fit: cover;
  transition: box-shadow 260ms ease, transform 260ms ease;
  width: 98px;
}

@media (hover: hover) {
  .certification-grid article:hover .cert-badge {
    box-shadow: 0 24px 46px rgba(0, 0, 0, 0.18);
    transform: translateY(-2px);
  }
}

.certification-grid h4 {
  color: var(--ink);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 24px;
  line-height: 1.25;
  margin: 0 0 22px;
}

.certification-grid p {
  color: rgba(23, 33, 29, 0.66);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  max-width: 16em;
}

.certificate-showcase {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.certificate-showcase figure {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(248, 243, 232, 0.38));
  border: 1px solid rgba(7, 24, 21, 0.12);
  box-shadow: 0 18px 48px rgba(4, 17, 14, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.58);
  margin: 0;
  overflow: hidden;
  padding: 18px;
  position: relative;
  text-align: center;
  transform: translateY(0);
  transition:
    border-color 240ms ease,
    box-shadow 240ms ease,
    transform 240ms ease;
}

.certificate-showcase img {
  aspect-ratio: 10 / 13;
  border: 1px solid rgba(184, 157, 98, 0.26);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.18);
  filter: saturate(1) contrast(1);
  object-fit: cover;
  transition: border-color 240ms ease, filter 300ms ease, transform 300ms ease;
  width: 100%;
}

.certificate-showcase figcaption {
  color: rgba(23, 33, 29, 0.82);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 20px;
  margin-top: 14px;
  transition: color 240ms ease, transform 240ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .certificate-showcase figure:hover {
    border-color: rgba(184, 157, 98, 0.42);
    box-shadow: 0 30px 68px rgba(4, 17, 14, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    transform: translateY(-10px);
  }

  .certificate-showcase figure:hover img {
    border-color: rgba(184, 157, 98, 0.48);
    filter: saturate(1.04) contrast(1.025) brightness(1.015);
    transform: translateY(-2px);
  }

  .certificate-showcase figure:hover figcaption {
    color: var(--green-880);
    transform: translateY(-2px);
  }
}

.mineral-card {
  align-items: stretch;
  background:
    linear-gradient(90deg, rgba(251, 248, 239, 0.98), rgba(251, 248, 239, 0.94)),
    var(--ivory-warm);
  border: 1px solid rgba(184, 157, 98, 0.12);
  box-shadow: 0 24px 68px rgba(4, 17, 14, 0.045);
  display: grid;
  gap: clamp(52px, 4.8vw, 84px);
  grid-template-columns: minmax(320px, 0.36fr) minmax(0, 0.64fr);
  margin-top: 24px;
  overflow: hidden;
  padding: clamp(54px, 5vw, 76px) clamp(44px, 5.4vw, 82px);
  position: relative;
}

.mineral-card::before {
  background:
    linear-gradient(90deg, rgba(251, 248, 239, 0) 0%, rgba(251, 248, 239, 0.08) 46%, rgba(251, 248, 239, 0.94) 100%),
    linear-gradient(180deg, rgba(251, 248, 239, 0.02) 0%, rgba(251, 248, 239, 0.04) 46%, rgba(251, 248, 239, 0.46) 100%),
    url("./assets/mineral-water-ripple-bg.webp?v=20260613") center bottom / cover no-repeat;
  content: "";
  filter: saturate(1.18) contrast(1.12) brightness(1.02);
  bottom: 0;
  height: 82%;
  left: 0;
  opacity: 0.56;
  pointer-events: none;
  position: absolute;
  width: min(41%, 760px);
  z-index: 0;
}

.mineral-summary {
  align-self: start;
  isolation: isolate;
  max-width: none;
  min-height: 590px;
  overflow: hidden;
  padding-top: clamp(6px, 0.7vw, 12px);
  position: relative;
  z-index: 1;
}

.mineral-summary::after {
  display: none;
}

.mineral-summary .section-kicker {
  color: rgba(184, 157, 98, 0.96);
  font-size: clamp(14px, 0.92vw, 16px);
  letter-spacing: 0.28em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.mineral-summary h3 {
  font-size: clamp(56px, 4.5vw, 72px);
  line-height: 1.15;
  margin-bottom: 42px;
  max-width: none;
  white-space: nowrap;
}

.mineral-summary h3::after {
  background:
    linear-gradient(90deg, rgba(184, 157, 98, 0.86), rgba(184, 157, 98, 0.2));
  content: "";
  display: block;
  height: 1px;
  margin-top: 28px;
  width: 56px;
}

.mineral-summary p {
  color: rgba(23, 33, 29, 0.76);
  font-size: clamp(17px, 1.04vw, 20px);
  line-height: 2;
  max-width: 390px;
}

.mineral-summary p + p {
  margin-top: clamp(20px, 1.6vw, 28px);
}

.mineral-data {
  display: grid;
  gap: 26px;
  padding-top: 2px;
  position: relative;
  z-index: 1;
}

.mineral-grid {
  display: grid;
  gap: clamp(18px, 1.45vw, 24px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mineral-item {
  align-items: center;
  backdrop-filter: blur(10px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(251, 248, 239, 0.58));
  border: 1px solid rgba(20, 40, 32, 0.08);
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(4, 17, 14, 0.035), inset 0 1px 0 rgba(255, 255, 255, 0.66);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 260px;
  padding: 36px 24px;
  text-align: center;
  transform: translateY(0);
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

.mineral-item h4 {
  color: var(--green-940);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(22px, 1.35vw, 26px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 24px;
}

.mineral-value {
  align-items: center;
  color: var(--gold) !important;
  display: flex;
  font-family: Georgia, "Times New Roman", "SimSun", "Songti SC", serif;
  font-size: clamp(56px, 4.4vw, 72px) !important;
  font-variant-numeric: lining-nums tabular-nums;
  justify-content: center;
  line-height: 1 !important;
  margin: 0 !important;
  min-height: clamp(56px, 4.4vw, 72px);
}

.mineral-unit {
  color: rgba(17, 58, 50, 0.8) !important;
  font-size: 16px !important;
  line-height: 1.4 !important;
  margin: 16px 0 0 !important;
}

.mineral-rule {
  background: rgba(180, 145, 82, 0.5);
  display: block;
  height: 1px;
  margin: 22px auto 20px;
  width: 48px;
}

.mineral-note {
  color: rgba(17, 58, 50, 0.75) !important;
  font-size: clamp(15px, 0.86vw, 17px) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
  max-width: 100%;
  text-align: left;
  width: 7em;
  word-break: keep-all;
}

.mineral-item-report {
  justify-content: center;
}

.mineral-item-report h4 {
  color: var(--gold);
  font-size: clamp(30px, 2vw, 40px);
  line-height: 1.15;
  margin-bottom: 24px;
}

.mineral-item-report .mineral-note {
  color: rgba(17, 58, 50, 0.58) !important;
  font-size: 12px !important;
  line-height: 1.75 !important;
  overflow-wrap: break-word;
  text-align: left;
  white-space: normal;
  width: min(100%, 13.5em);
  word-break: normal;
}

@media (hover: hover) and (pointer: fine) {
  .mineral-item:hover {
    border-color: rgba(20, 40, 32, 0.16);
    box-shadow: 0 18px 42px rgba(4, 17, 14, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.78);
    transform: translateY(-4px);
  }
}

.production-section {
  background:
    radial-gradient(ellipse at 18% 18%, rgba(184, 157, 98, 0.16), transparent 34%),
    radial-gradient(ellipse at 72% 12%, rgba(248, 243, 232, 0.06), transparent 34%),
    linear-gradient(180deg, #0c3229 0%, #06231d 56%, #041713 100%);
  color: var(--ivory);
  align-content: center;
  display: grid;
  isolation: isolate;
  min-height: max(100svh, 980px);
  overflow: hidden;
  padding:
    clamp(96px, 8vh, 124px)
    clamp(48px, 5.5vw, 150px)
    clamp(70px, 6vh, 96px)
    clamp(64px, 8vw, 190px);
  position: relative;
  scroll-margin-top: 0;
}

.production-section::before {
  background:
    linear-gradient(90deg, rgba(4, 17, 14, 0.84), rgba(4, 17, 14, 0.52) 48%, rgba(4, 17, 14, 0.84)),
    linear-gradient(180deg, rgba(4, 17, 14, 0.34), rgba(4, 17, 14, 0.94) 82%),
    url("./assets/origin-carousel/spring-source.webp") center / cover no-repeat;
  content: "";
  inset: 0;
  opacity: 0.34;
  pointer-events: none;
  position: absolute;
  z-index: -1;
}

.production-section::after {
  background: linear-gradient(90deg, rgba(184, 157, 98, 0.7), rgba(184, 157, 98, 0));
  bottom: 0;
  content: "";
  height: 1px;
  left: clamp(64px, 8vw, 190px);
  opacity: 0.56;
  position: absolute;
  right: clamp(48px, 5.5vw, 150px);
}

.production-section .section-inner {
  max-width: none;
  width: 100%;
}

.production-section .section-copy {
  max-width: clamp(340px, 23vw, 460px);
}

.production-section .section-kicker {
  color: rgba(184, 157, 98, 0.94);
  font-size: 13px;
  letter-spacing: 0.12em;
  margin-bottom: clamp(52px, 4.6vw, 74px);
  position: relative;
}

.production-section .section-kicker::after {
  background: rgba(184, 157, 98, 0.52);
  bottom: -18px;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  width: 34px;
}

.production-section h2 {
  color: rgba(248, 243, 232, 0.96);
  font-family: "SimSun", "Songti SC", "STSong", Georgia, serif;
  font-size: clamp(52px, 3.8vw, 76px);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.14;
  margin-bottom: clamp(30px, 3vw, 42px);
}

.production-mark {
  color: rgba(184, 157, 98, 0.9);
  margin-bottom: clamp(24px, 2.4vw, 36px);
}

.production-mark svg {
  display: block;
  fill: none;
  height: 30px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 78px;
}

.production-section .section-copy > p:not(.section-kicker) {
  color: rgba(248, 243, 232, 0.76);
  font-size: clamp(15px, 0.92vw, 17px);
  line-height: 2.05;
  max-width: 420px;
}

.production-layout {
  align-items: stretch;
  display: grid;
  gap: clamp(28px, 2.8vw, 52px);
  grid-template-columns: minmax(320px, 22%) minmax(0, 1fr);
}

.production-gallery {
  display: grid;
  gap: clamp(6px, 0.52vw, 10px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  justify-self: stretch;
  margin: 0;
  min-width: 0;
  width: 100%;
}

.production-gallery figure {
  background: var(--green-980);
  border: 1px solid rgba(184, 157, 98, 0.24);
  height: clamp(430px, min(31vw, 52svh), 640px);
  margin: 0;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.production-gallery img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  transition: transform 420ms ease, filter 420ms ease;
  width: 100%;
}

.production-gallery figure::after {
  background:
    linear-gradient(180deg, rgba(4, 17, 14, 0) 36%, rgba(4, 17, 14, 0.88) 100%),
    linear-gradient(90deg, rgba(4, 17, 14, 0.18), rgba(4, 17, 14, 0) 64%);
  content: "";
  inset: 0;
  position: absolute;
}

.production-gallery figcaption {
  bottom: 0;
  color: var(--ivory);
  left: 0;
  padding: clamp(22px, 2vw, 32px);
  position: absolute;
  right: 0;
  z-index: 1;
}

.production-gallery figcaption i {
  background: rgba(184, 157, 98, 0.82);
  display: block;
  height: 1px;
  margin-bottom: 18px;
  width: 38px;
}

.production-gallery figcaption strong {
  color: rgba(248, 243, 232, 0.96);
  display: block;
  font-family: "SimSun", "Songti SC", "STSong", serif;
  font-size: clamp(23px, 1.45vw, 30px);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 8px;
  white-space: nowrap;
}

.production-gallery figcaption span {
  color: rgba(248, 243, 232, 0.78);
  display: block;
  font-size: clamp(13px, 0.82vw, 15px);
  line-height: 1.6;
}

.production-gallery figure:hover img {
  filter: brightness(1.04) saturate(1.02);
  transform: scale(1.035);
}

.capability-strip {
  display: grid;
  gap: clamp(14px, 1.3vw, 22px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(30px, 4svh, 72px);
}

.capability-strip div {
  background:
    linear-gradient(180deg, rgba(248, 243, 232, 0.055), rgba(248, 243, 232, 0.018)),
    radial-gradient(circle at 22% 0%, rgba(184, 157, 98, 0.14), transparent 36%),
    rgba(2, 18, 15, 0.72);
  border: 1px solid transparent;
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  min-height: clamp(208px, min(15vw, 23svh), 286px);
  overflow: hidden;
  padding: clamp(22px, 1.9vw, 30px);
  position: relative;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.capability-strip div::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(184, 157, 98, 0.62) 10%,
    rgba(184, 157, 98, 0.62) 90%,
    transparent
  );
  content: "";
  height: 1px;
  left: 14px;
  pointer-events: none;
  position: absolute;
  right: 14px;
  top: 0;
  transition: opacity 220ms ease;
  z-index: 2;
}

.capability-strip div::after {
  border: 1px solid rgba(184, 157, 98, 0.28);
  border-radius: inherit;
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  transition: border-color 220ms ease;
  z-index: 1;
}

.capability-strip div:hover {
  box-shadow: 0 26px 54px rgba(0, 0, 0, 0.26);
  transform: translateY(-8px);
}

.capability-strip div:hover::after {
  border-color: rgba(184, 157, 98, 0.42);
}

.capability-strip div:hover::before {
  opacity: 0.95;
}

.capability-icon {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
  justify-content: center;
  height: clamp(72px, 5.4vw, 90px);
  margin-bottom: clamp(16px, 1.2vw, 22px);
  width: clamp(72px, 5.4vw, 90px);
}

.capability-icon img {
  display: block;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.24));
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.capability-strip strong {
  color: rgba(248, 243, 232, 0.94);
  display: block;
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(24px, 1.6vw, 30px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 12px;
}

.capability-strip div > span:last-child {
  color: rgba(248, 243, 232, 0.68);
  font-size: clamp(13px, 0.84vw, 15px);
  line-height: 1.75;
}

.cta-section {
  background:
    radial-gradient(circle at 82% 10%, rgba(184, 157, 98, 0.08), transparent 34%),
    linear-gradient(135deg, rgba(4, 17, 14, 0.98), rgba(5, 28, 24, 0.99) 54%, rgba(3, 18, 15, 1));
  box-sizing: border-box;
  color: var(--ivory);
  display: block;
  min-height: calc(100vh - 80px);
  padding:
    clamp(36px, 3.4vw, 56px)
    clamp(48px, 5.5vw, 150px)
    clamp(36px, 3.4vw, 56px)
    clamp(64px, 8vw, 190px);
  scroll-margin-top: 80px;
}

.cta-inner {
  margin: 0 auto;
  max-width: none;
  text-align: left;
  width: 100%;
}

.cooperation-card {
  background: transparent;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.cooperation-card[data-reveal] {
  opacity: 1;
  transform: none;
}

.cooperation-card::before {
  display: none;
}

.cooperation-card::after {
  display: none;
}

.icon-sprite {
  display: none;
}

.cooperation-head {
  max-width: 880px;
  position: relative;
  z-index: 1;
}

.cooperation-card h2 {
  font-size: clamp(36px, 3.25vw, 50px);
  margin-bottom: 12px;
  max-width: 920px;
}

.cooperation-card p {
  font-size: clamp(14px, 0.9vw, 16px);
  line-height: 1.7;
  max-width: 680px;
}

.partnership-grid {
  display: grid;
  gap: clamp(20px, 1.6vw, 30px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(28px, 2.6vw, 42px);
  max-width: 1240px;
  position: relative;
  z-index: 1;
}

.partnership-scene {
  aspect-ratio: 4 / 3;
  background: rgba(4, 17, 14, 0.72);
  box-shadow: none;
  height: auto;
  isolation: isolate;
  min-height: 0;
  overflow: hidden;
  position: relative;
  transition: transform 0.35s ease;
  width: 100%;
}

.partnership-scene::before {
  background:
    linear-gradient(180deg, rgba(4, 17, 14, 0) 36%, rgba(4, 17, 14, 0.34) 72%, rgba(4, 17, 14, 0.86) 100%),
    linear-gradient(90deg, rgba(4, 17, 14, 0.16), transparent 48%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  transition: background 0.35s ease;
  z-index: 1;
}

.partnership-scene::after {
  color: rgba(184, 157, 98, 0);
  content: "";
  font-size: 18px;
  line-height: 1;
  opacity: 0;
  position: absolute;
  right: clamp(20px, 2vw, 28px);
  bottom: clamp(24px, 2.1vw, 30px);
  transition: color 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
  transform: translateX(-8px);
  z-index: 2;
}

.partnership-scene img {
  display: block;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.35s ease;
  width: 100%;
}

.partnership-scene:hover,
.partnership-scene:focus-within {
  transform: translateY(-4px);
}

.partnership-scene:hover::before,
.partnership-scene:focus-within::before {
  background:
    linear-gradient(180deg, rgba(4, 17, 14, 0) 28%, rgba(4, 17, 14, 0.48) 66%, rgba(4, 17, 14, 0.94) 100%),
    linear-gradient(90deg, rgba(4, 17, 14, 0.22), transparent 52%);
}

.partnership-scene:hover::after,
.partnership-scene:focus-within::after {
  color: rgba(184, 157, 98, 0.95);
  content: "→";
  opacity: 1;
  transform: translateX(0);
}

.partnership-scene:hover img,
.partnership-scene:focus-within img {
  transform: scale(1.03);
}

.partnership-scene-copy {
  bottom: 0;
  left: 0;
  padding: clamp(20px, 2vw, 28px);
  position: absolute;
  right: 0;
  z-index: 2;
}

.partnership-scene-copy span {
  color: rgba(184, 157, 98, 0.92);
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  line-height: 1;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.partnership-scene-copy h3 {
  color: rgba(248, 243, 232, 0.98);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(22px, 1.9vw, 30px);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
}

.partnership-scene-copy p {
  color: rgba(248, 243, 232, 0.72);
  font-size: clamp(13px, 0.9vw, 15px);
  line-height: 1.7;
  margin: 8px 0 0;
  max-width: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.partnership-scene:hover .partnership-scene-copy p,
.partnership-scene:focus-within .partnership-scene-copy p {
  opacity: 1;
  transform: translateY(0);
}

.cooperation-action-bar {
  align-items: center;
  background:
    radial-gradient(circle at 18% 0%, rgba(184, 157, 98, 0.09), transparent 34%),
    linear-gradient(135deg, rgba(248, 243, 232, 0.035), rgba(248, 243, 232, 0.01));
  border: 1px solid rgba(184, 157, 98, 0.13);
  display: grid;
  gap: clamp(18px, 2vw, 30px);
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: clamp(26px, 2.6vw, 42px);
  max-width: 1240px;
  padding: clamp(16px, 1.5vw, 22px);
  position: relative;
  z-index: 1;
}

.partnership-process {
  min-width: 0;
}

.partnership-process p {
  color: rgba(184, 157, 98, 0.9);
  font-size: 14px;
  letter-spacing: 0.08em;
  line-height: 1;
  margin: 0;
}

.partnership-process ol {
  align-items: center;
  color: rgba(248, 243, 232, 0.88);
  display: grid;
  gap: clamp(16px, 1.8vw, 28px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.partnership-process li {
  align-items: center;
  border-top: 0;
  display: inline-flex;
  gap: 12px;
  line-height: 1.2;
  padding: 0;
  position: relative;
}

.partnership-process li::before {
  display: none;
}

.partnership-process li::after {
  color: rgba(184, 157, 98, 0.78);
  content: "→";
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1;
  position: absolute;
  right: calc(clamp(16px, 1.8vw, 28px) * -0.64);
  top: 50%;
  transform: translateY(-50%);
}

.partnership-process li:not(:last-child)::after {
  content: "→";
}

.partnership-process li:last-child::after {
  display: none;
}

.process-icon {
  align-items: center;
  border: 1px solid rgba(184, 157, 98, 0.42);
  border-radius: 999px;
  color: rgba(184, 157, 98, 0.9);
  display: inline-flex;
  flex: 0 0 auto;
  height: 46px;
  justify-content: center;
  width: 46px;
}

.process-icon svg {
  fill: none;
  height: 22px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.35;
  width: 22px;
}

.process-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.process-copy strong {
  color: rgba(248, 243, 232, 0.9);
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(17px, 1.05vw, 20px);
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
}

.process-copy small {
  color: rgba(248, 243, 232, 0.45);
  font-size: 11px;
  line-height: 1.35;
  max-width: 104px;
}

.cooperation-action-bar .cta-actions {
  display: flex;
  gap: clamp(14px, 1.4vw, 22px);
  margin: 0 clamp(52px, 5vw, 82px) 0 0;
}

.cta-button {
  align-items: center;
  border: 1px solid rgba(184, 157, 98, 0.68);
  display: inline-flex;
  gap: 20px;
  font-size: 15px;
  justify-content: center;
  min-height: 52px;
  min-width: 190px;
  padding: 0 24px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.cta-button-primary {
  background: var(--gold);
  color: var(--green-black);
}

.cta-button-secondary {
  color: var(--ivory);
}

.cta-button:hover {
  border-color: rgba(248, 243, 232, 0.72);
}

.cta-button-primary:hover {
  background: #cab179;
}

.cta-button-secondary:hover {
  background: rgba(248, 243, 232, 0.08);
}

.floating-controls {
  align-items: center;
  backdrop-filter: blur(16px);
  background:
    linear-gradient(145deg, rgba(248, 243, 232, 0.14), rgba(248, 243, 232, 0.045)),
    rgba(4, 17, 14, 0.82);
  border: 1px solid rgba(184, 157, 98, 0.48);
  border-radius: 4px;
  bottom: 28px;
  box-shadow: 0 18px 44px rgba(4, 17, 14, 0.26);
  color: rgba(248, 243, 232, 0.9);
  display: inline-flex;
  height: 46px;
  position: fixed;
  right: 28px;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease, transform 180ms ease;
  z-index: 40;
}

.floating-controls:hover,
.floating-controls:focus-within {
  background:
    linear-gradient(145deg, rgba(248, 243, 232, 0.18), rgba(248, 243, 232, 0.07)),
    rgba(7, 34, 27, 0.9);
  border-color: rgba(184, 157, 98, 0.78);
  box-shadow: 0 22px 52px rgba(4, 17, 14, 0.32);
  color: var(--ivory);
  transform: translateY(-2px);
}

.back-to-top,
.audio-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 14px;
  gap: 8px;
  height: 100%;
  justify-content: center;
  min-width: 0;
  padding: 0 14px;
  position: relative;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.back-to-top {
  border-radius: 3px 0 0 3px;
  padding-left: 15px;
  padding-right: 13px;
}

.audio-toggle {
  border-radius: 0 3px 3px 0;
  min-width: 96px;
  padding-left: 14px;
  padding-right: 15px;
}

.back-to-top:hover,
.back-to-top:focus-visible,
.audio-toggle:hover,
.audio-toggle:focus-visible {
  background: rgba(248, 243, 232, 0.08);
  color: var(--ivory);
  outline: none;
}

.back-to-top:focus-visible,
.audio-toggle:focus-visible {
  box-shadow: inset 0 0 0 1px rgba(248, 243, 232, 0.38);
}

.floating-controls-divider {
  background: rgba(248, 243, 232, 0.26);
  flex: 0 0 1px;
  height: 22px;
}

.back-to-top-icon {
  flex: 0 0 auto;
  height: 17px;
  width: 17px;
}

.back-to-top-icon path {
  fill: currentColor;
}

.audio-toggle-icon {
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
}

.audio-toggle-icon-play path {
  fill: currentColor;
}

.audio-toggle-icon-wave {
  display: none;
  width: 26px;
}

.audio-wave-line {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
  stroke-dasharray: 8 10;
  opacity: 0.96;
  transform-origin: center;
}

.audio-wave-line-soft {
  opacity: 0.42;
  stroke-width: 1.7;
  stroke-dasharray: 6 12;
}

.audio-toggle.is-playing .audio-toggle-icon-play {
  display: none;
}

.audio-toggle.is-playing .audio-toggle-icon-wave {
  display: block;
}

.audio-toggle.is-playing .audio-wave-line {
  animation: audio-wave-flow 1500ms linear infinite;
}

.audio-toggle.is-playing .audio-wave-line-soft {
  animation-duration: 2100ms;
  animation-direction: reverse;
}

.audio-toggle.needs-interaction {
  color: var(--ivory);
  min-width: 118px;
}

.audio-toggle.needs-interaction::after {
  animation: audio-prompt-pulse 1800ms ease-out infinite;
  border: 1px solid rgba(184, 157, 98, 0.56);
  border-radius: 4px;
  content: "";
  inset: -1px;
  pointer-events: none;
  position: absolute;
}

.back-to-top span,
.audio-toggle span {
  line-height: 1;
  white-space: nowrap;
}

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

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

@keyframes heroAtmosphereDrift {
  0%,
  100% {
    opacity: 0.92;
  }

  50% {
    opacity: 0.97;
  }
}

@keyframes audio-wave-flow {
  from {
    stroke-dashoffset: 0;
    transform: scaleY(0.92);
  }

  50% {
    transform: scaleY(1.12);
  }

  to {
    stroke-dashoffset: -36;
    transform: scaleY(0.92);
  }
}

@keyframes audio-prompt-pulse {
  0% {
    opacity: 0.72;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    transform: scale(1.14, 1.28);
  }
}

.site-footer {
  background:
    radial-gradient(ellipse at 16% 8%, rgba(184, 157, 98, 0.08), transparent 34%),
    radial-gradient(ellipse at 82% 0%, rgba(17, 58, 50, 0.045), transparent 32%),
    linear-gradient(180deg, var(--ivory-warm) 0%, var(--ivory) 62%, #f3eadb 100%);
  border-top: 1px solid rgba(7, 24, 21, 0.08);
  color: rgba(23, 33, 29, 0.7);
  overflow: hidden;
  padding:
    clamp(64px, 5.8vw, 96px)
    clamp(48px, 5.5vw, 150px)
    clamp(28px, 2.8vw, 42px)
    clamp(64px, 8vw, 190px);
  position: relative;
}

.site-footer::before {
  background: linear-gradient(90deg, rgba(184, 157, 98, 0.08), rgba(184, 157, 98, 0.32), rgba(184, 157, 98, 0.08));
  content: "";
  height: 1px;
  left: clamp(64px, 8vw, 190px);
  opacity: 0.5;
  position: absolute;
  right: clamp(48px, 5.5vw, 150px);
  top: clamp(30px, 2.8vw, 46px);
}

.footer-inner {
  display: grid;
  align-items: stretch;
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  max-width: none;
  width: 100%;
  position: relative;
  z-index: 1;
}

.footer-brand,
.footer-contact {
  min-width: 0;
}

.footer-brand,
.footer-nav,
.footer-contact {
  min-height: clamp(380px, 21vw, 440px);
  padding: clamp(30px, 2.8vw, 50px) clamp(38px, 3.4vw, 62px);
}

.footer-brand {
  display: grid;
  gap: clamp(30px, 2.8vw, 48px);
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding-left: 0;
}

.footer-nav {
  border-left: 1px solid rgba(7, 24, 21, 0.075);
  border-right: 1px solid rgba(7, 24, 21, 0.075);
  padding-left: clamp(42px, 3.6vw, 68px);
  padding-right: clamp(42px, 3.6vw, 68px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

#footer-contact {
  scroll-margin-top: 118px;
}

.footer-logo {
  align-items: center;
  color: var(--green-980);
  display: inline-flex;
  gap: 20px;
  margin-bottom: 0;
}

.footer-logo img {
  border: 1px solid rgba(184, 157, 98, 0.48);
  border-radius: 10px;
  box-shadow: 0 18px 42px rgba(4, 17, 14, 0.12);
  height: clamp(64px, 4.2vw, 78px);
  object-fit: cover;
  width: clamp(64px, 4.2vw, 78px);
}

.footer-logo span {
  font-family: "SimSun", "Songti SC", serif;
  font-size: clamp(38px, 2.35vw, 48px);
  font-weight: 600;
  line-height: 1;
}

.footer-brand-copy {
  align-self: start;
  display: grid;
  gap: clamp(18px, 1.5vw, 26px);
  max-width: 360px;
  padding-top: clamp(18px, 1.8vw, 30px);
}

.footer-brand p {
  color: rgba(23, 33, 29, 0.62);
  font-size: clamp(16px, 0.94vw, 19px);
  line-height: 1.9;
  margin: 0;
}

.footer-brand .footer-brand-line {
  color: rgba(125, 117, 96, 0.74);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(15px, 0.86vw, 17px);
  line-height: 1.9;
  padding-top: clamp(10px, 0.9vw, 16px);
  position: relative;
}

.footer-brand .footer-brand-line::before {
  background: rgba(184, 157, 98, 0.38);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: 0;
  width: 42px;
}

.footer-brand-meta {
  align-self: end;
  border-top: 1px solid rgba(7, 24, 21, 0.08);
  display: grid;
  gap: 18px;
  margin: 0;
  padding-top: clamp(22px, 1.9vw, 32px);
}

.footer-brand-meta div {
  align-items: baseline;
  display: grid;
  gap: clamp(18px, 2vw, 32px);
  grid-template-columns: 110px minmax(0, 1fr);
}

.footer-brand-meta dt {
  color: rgba(125, 117, 96, 0.6);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.4;
  margin: 0;
  text-transform: uppercase;
}

.footer-brand-meta dd {
  color: rgba(23, 33, 29, 0.58);
  font-size: clamp(15px, 0.92vw, 17px);
  line-height: 1.82;
  margin: 0;
}

.footer-nav {
  display: grid;
  column-gap: clamp(34px, 3vw, 54px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  justify-content: stretch;
  row-gap: clamp(42px, 3.5vw, 58px);
}

.footer-nav section,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-nav section {
  align-items: center;
  min-width: 0;
  text-align: center;
}

.footer-nav section:nth-child(n + 3) {
  justify-content: flex-end;
}

.footer-nav h2,
.footer-contact h2 {
  color: var(--green-980);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: clamp(18px, 1.08vw, 21px);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.35;
  margin: 0 0 16px;
}

.footer-nav a,
.footer-contact a {
  color: rgba(23, 33, 29, 0.5);
  font-size: clamp(16px, 0.94vw, 18px);
  line-height: 1.78;
  position: relative;
  transition: color 180ms ease, opacity 180ms ease;
  width: fit-content;
}

.footer-nav a::after,
.footer-contact a::after {
  background: rgba(184, 157, 98, 0.72);
  bottom: -3px;
  content: "";
  height: 1px;
  left: 0;
  opacity: 0;
  position: absolute;
  transform: scaleX(0.68);
  transform-origin: left;
  transition: opacity 180ms ease, transform 180ms ease;
  width: 100%;
}

.footer-nav a:hover,
.footer-nav a:focus-visible,
.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--green-760);
  outline: none;
}

.footer-nav a:hover::after,
.footer-nav a:focus-visible::after,
.footer-contact a:hover::after,
.footer-contact a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.footer-nav section:first-child h2 {
  color: var(--green-black);
  font-weight: 700;
}

.footer-nav section:first-child a {
  color: rgba(23, 33, 29, 0.58);
}

.footer-nav section:nth-child(3) a:hover,
.footer-nav section:nth-child(3) a:focus-visible {
  color: rgba(126, 102, 49, 0.96);
}

.footer-contact dl {
  align-content: space-between;
  display: grid;
  gap: 20px clamp(20px, 2.2vw, 36px);
  flex: 1;
  margin: 0;
}

.footer-contact div {
  background: transparent;
  border-bottom: 1px solid rgba(7, 24, 21, 0.055);
  display: grid;
  gap: 10px;
  padding: 0 0 18px;
}

.footer-contact div:last-child {
  padding-bottom: 0;
}

.footer-contact dt {
  color: rgba(125, 117, 96, 0.58);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.4;
  margin: 0;
  text-transform: uppercase;
}

.footer-contact dd {
  color: rgba(23, 33, 29, 0.68);
  font-size: clamp(15px, 0.92vw, 17px);
  line-height: 1.82;
  margin: 0;
}

.footer-service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.footer-service-tags span {
  border: 1px solid rgba(125, 117, 96, 0.26);
  border-radius: 999px;
  color: rgba(23, 33, 29, 0.58);
  display: inline-flex;
  font-size: 13px;
  line-height: 1;
  padding: 8px 14px;
  transition: opacity 180ms ease, border-color 180ms ease;
  white-space: nowrap;
}

.footer-service-tags span:hover {
  border-color: rgba(125, 117, 96, 0.42);
  opacity: 0.78;
}

.footer-bottom {
  border-top: 1px solid rgba(7, 24, 21, 0.085);
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(42px, 5vw, 96px);
  grid-column: 1 / -1;
  justify-content: space-between;
  margin-top: clamp(8px, 1.2vw, 18px);
  padding-top: clamp(18px, 1.8vw, 28px);
}

.footer-bottom p {
  color: rgba(7, 24, 21, 0.62);
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}

@media (min-width: 1600px) {
  .hero {
    grid-template-columns: minmax(560px, 42%) minmax(0, 58%);
  }

  .vision-section {
    padding:
      clamp(104px, 9.2vh, 122px)
      clamp(48px, 5.5vw, 150px)
      clamp(56px, 5.2vh, 72px)
      clamp(64px, 8vw, 190px);
  }

  .vision-visual-inner {
    gap: clamp(48px, 5.4vh, 78px);
    padding-top: clamp(18px, 2.4vh, 34px);
  }

  .vision-copy {
    max-width: min(1280px, 60vw);
  }

  .vision-statement {
    font-size: clamp(76px, 4.8vw, 108px);
    line-height: 1.24;
  }

  .vision-body {
    font-size: clamp(24px, 1.32vw, 30px);
  }

  .vision-cards article {
    min-height: clamp(232px, 14vw, 276px);
  }

  .vision-card-icon {
    height: clamp(82px, 4.4vw, 102px);
    width: clamp(82px, 4.4vw, 102px);
  }

  .hero-copy {
    --hero-claim-size: 78px;
    max-width: 580px;
  }

  .eyebrow {
    font-size: 17px;
  }

  .hero h1 {
    font-size: 128px;
    margin-bottom: 24px;
  }

  .hero-subtitle {
    margin-bottom: 8px;
  }

  .hero-subtitle-en {
    font-size: 14px;
    letter-spacing: 0.8em;
    margin-bottom: 54px;
  }

  .hero-line {
    font-size: 22px;
    line-height: 1.9;
    max-width: 17.5em;
  }

  .hero-actions {
    margin-top: 58px;
  }

  .hero-actions .cta-button {
    font-size: 20px;
    min-height: 60px;
    min-width: 214px;
  }

  .hero-actions .cta-button-primary {
    min-height: 64px;
    min-width: 220px;
    padding: 0 42px;
  }
}

@media (min-width: 2200px) {
  .hero {
    grid-template-columns: minmax(640px, 40%) minmax(0, 60%);
  }

  .vision-copy {
    max-width: min(1420px, 60vw);
  }

  .vision-statement {
    font-size: clamp(88px, 4.35vw, 118px);
  }

  .vision-cards article {
    min-height: 286px;
  }

  .hero-copy {
    --hero-claim-size: 82px;
    max-width: 600px;
  }

  .eyebrow {
    font-size: 16px;
    margin-bottom: 34px;
  }

  .hero h1 {
    font-size: 128px;
    margin-bottom: 24px;
  }

  .hero-subtitle {
    margin-bottom: 8px;
  }

  .hero-subtitle-en {
    font-size: 14px;
    letter-spacing: 0.82em;
    margin-bottom: 54px;
  }

  .hero-line {
    font-size: 23px;
    line-height: 1.9;
    max-width: 17.5em;
  }

  .hero-source-mark p,
  .hero-source-mark span {
    font-size: 15px;
  }

  .hero-source-mark li {
    font-size: 22px;
  }
}

@media (min-width: 761px) and (max-height: 780px) {
  .hero-copy {
    --hero-claim-size: clamp(56px, 4.6vw, 66px);
    max-width: 540px;
    min-height: auto;
    transform: translateY(-6vh);
  }

  .hero .eyebrow {
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 30px;
  }

  .hero h1 {
    font-size: clamp(102px, 8.4vw, 118px);
    margin-bottom: 20px;
  }

  .hero h1::after {
    margin-top: 20px;
    width: 190px;
  }

  .hero-subtitle {
    margin-bottom: 6px;
  }

  .hero-subtitle-en {
    font-size: 12px;
    letter-spacing: 0.64em;
    margin-bottom: 34px;
  }

  .hero-line {
    --hero-verse-width: 12.6em;
    font-size: clamp(16px, 1vw, 18px);
    letter-spacing: 0.06em;
    line-height: 1.86;
    max-width: calc(var(--hero-verse-width) + 18px);
    padding-left: 18px;
  }

  .hero-line p + p {
    margin-top: 14px;
  }

  .hero-line p + p::before {
    content: none;
  }

  .hero-actions {
    margin-top: 36px;
  }

  .hero-actions .cta-button {
    min-height: 62px;
  }

  .hero-actions .cta-button-primary {
    min-height: 68px;
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

.hero-copy[data-reveal],
.hero-copy[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(1vh);
  transition: none;
}

.hero .eyebrow,
.hero h1,
.hero-subtitle,
.hero-subtitle-en,
.hero-line p,
.hero-actions {
  opacity: 0;
  transform: translateY(18px);
  animation: heroFadeInUp 1s cubic-bezier(0.19, 1, 0.22, 1) forwards;
  will-change: opacity, transform;
}

.hero .eyebrow {
  animation-delay: 80ms;
}

.hero h1 {
  animation-delay: 0ms;
}

.hero-subtitle {
  animation-delay: 200ms;
}

.hero-subtitle-en {
  animation-delay: 320ms;
}

.hero-line p:nth-child(1) {
  animation-delay: 470ms;
}

.hero-line p:nth-child(2) {
  animation-delay: 620ms;
}

.hero-line p:nth-child(3) {
  animation-delay: 770ms;
}

.hero-actions {
  animation-delay: 940ms;
}

.hero-source-mark[data-reveal],
.hero-source-mark[data-reveal].is-visible {
  opacity: 0.58;
}

@media (min-width: 761px) and (max-height: 780px) {
  .hero-copy[data-reveal],
  .hero-copy[data-reveal].is-visible {
    transform: translateY(-6vh);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .audio-toggle.is-playing .audio-wave-line,
  .audio-toggle.is-playing .audio-wave-line-soft {
    animation: none;
    stroke-dashoffset: 0;
    transform: none;
  }

  .audio-toggle.needs-interaction::after {
    animation: none;
    opacity: 0;
  }

  .hero::before,
  .hero::after {
    animation: none;
    transform: none;
  }

  .hero-copy[data-reveal],
  .hero-copy[data-reveal].is-visible,
  .hero .eyebrow,
  .hero h1,
  .hero-subtitle,
  .hero-subtitle-en,
  .hero-line p,
  .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .footer-inner {
    gap: 46px 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand,
  .footer-nav {
    min-height: 380px;
  }

  .footer-nav {
    border-right: 0;
  }

  .footer-contact {
    border-top: 1px solid rgba(7, 24, 21, 0.11);
    display: grid;
    gap: 22px;
    grid-column: 1 / -1;
    grid-template-columns: 180px minmax(0, 1fr);
    min-height: auto;
    padding-top: 28px;
  }

  .footer-contact dl {
    gap: 14px 28px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1281px) {
  .footer-contact dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-contact div:first-child,
  .footer-contact div:nth-child(2),
  .footer-contact div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1120px) {
  .nav-links {
    gap: 16px;
    font-size: 15px;
  }

  .vision-visual-inner {
    justify-content: flex-start;
  }

  .vision-copy {
    display: block;
    max-width: 100%;
  }

  .vision-copy .section-kicker {
    margin-bottom: 16px;
  }

  .vision-copy .section-kicker::after {
    margin-top: 14px;
  }

  .vision-title-rule {
    margin: clamp(18px, 1.6vh, 24px) 0 clamp(24px, 2.6vh, 36px);
  }

  .vision-statement {
    margin: 0 0 clamp(14px, 1.5vh, 18px);
  }

  .vision-body {
    font-size: clamp(16px, 1.6vw, 20px);
    line-height: 1.62;
    max-width: none;
  }

  .vision-body + .vision-body {
    margin-top: clamp(10px, 1vh, 14px);
  }

  .vision-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: clamp(38px, 4.8vh, 64px);
  }

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

  .cooperation-action-bar {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .cooperation-action-bar .cta-actions {
    flex-wrap: wrap;
    margin-right: 0;
  }

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

  .partnership-process li:nth-child(2)::after {
    display: none;
  }

  .production-layout {
    grid-template-columns: 1fr;
  }

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

  .process-panel article + article {
    border-left: 0;
  }

  .process-panel article:nth-child(even) {
    border-left: 1px solid rgba(184, 157, 98, 0.14);
  }

  .process-panel article:nth-child(n + 3) {
    border-top: 1px solid rgba(184, 157, 98, 0.14);
  }

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

  .production-gallery figure {
    min-height: 300px;
  }

  .product-card > img {
    min-height: 0;
  }
}

@media (max-width: 980px) {
  .site-header {
    align-items: center;
    gap: 16px;
    min-height: 72px;
    padding: 0 22px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    background: rgba(4, 17, 14, 0.98);
    border: 1px solid rgba(248, 243, 232, 0.12);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.24);
    display: grid;
    gap: 0;
    left: 22px;
    opacity: 0;
    padding: 8px;
    pointer-events: none;
    position: absolute;
    right: 22px;
    top: calc(100% + 8px);
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
    visibility: hidden;
    white-space: normal;
  }

  .site-header.is-menu-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .nav-links a {
    border-bottom: 1px solid rgba(248, 243, 232, 0.1);
    color: rgba(248, 243, 232, 0.86);
    display: block;
    font-size: 16px;
    min-height: 48px;
    padding: 12px 10px;
  }

  .nav-links a::after {
    display: none;
  }

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

  .hero,
  .editorial-split,
  .production-layout {
    grid-template-columns: 1fr;
  }

  .origin-section .editorial-split {
    gap: 36px;
    grid-template-columns: minmax(300px, 38%) minmax(0, 1fr);
    min-height: calc(100svh - 82px - clamp(112px, 14vh, 156px));
  }

  .origin-section {
    min-height: calc(100svh - 82px);
    padding:
      clamp(56px, 7vh, 78px)
      clamp(32px, 7vw, 72px);
  }

  .origin-section .section-copy {
    max-width: 420px;
  }

  .origin-title-row h2 {
    font-size: clamp(58px, 7vw, 72px);
  }

  .origin-narrative {
    max-width: 420px;
  }

  .origin-section .origin-body {
    max-width: 400px;
  }

  .origin-section .origin-signoff {
    font-size: 26px;
  }

  .hero {
    background:
      radial-gradient(ellipse at 72% 38%, rgba(248, 243, 232, 0.1), transparent 38%),
      linear-gradient(90deg, rgba(4, 17, 14, 0.94) 0%, rgba(4, 17, 14, 0.62) 62%, rgba(4, 17, 14, 0.08) 100%),
      linear-gradient(0deg, rgba(4, 17, 14, 0.5), transparent 54%),
      url("./assets/image2-hero-balanced-generated.webp") center / cover;
    background-size: auto, auto, auto, cover;
    padding-left: clamp(32px, 7vw, 72px);
    padding-right: clamp(32px, 7vw, 72px);
  }

  .vision-section,
  .trust-section {
    padding-left: clamp(32px, 7vw, 72px);
    padding-right: clamp(32px, 7vw, 72px);
  }

  .production-section {
    padding-left: clamp(32px, 7vw, 72px);
    padding-right: clamp(32px, 7vw, 72px);
  }

  .cta-section {
    padding-left: clamp(32px, 7vw, 72px);
    padding-right: clamp(32px, 7vw, 72px);
  }

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

  .production-gallery figure {
    min-height: 300px;
  }

  .hero-source-mark {
    bottom: 22px;
    grid-template-columns: auto minmax(0, 1fr) auto;
    left: clamp(32px, 7vw, 72px);
    right: clamp(32px, 7vw, 72px);
    width: auto;
  }

  .hero-source-mark ul {
    display: flex;
  }

  .product-grid,
  .certification-grid,
  .capability-strip {
    grid-template-columns: 1fr 1fr;
  }

  .certification-heading,
  .mineral-card {
    grid-template-columns: 1fr;
  }

  .mineral-card::before {
    background:
      linear-gradient(90deg, rgba(251, 248, 239, 0) 0%, rgba(251, 248, 239, 0.08) 42%, rgba(251, 248, 239, 0.94) 100%),
      linear-gradient(180deg, rgba(251, 248, 239, 0.02) 0%, rgba(251, 248, 239, 0.04) 52%, rgba(251, 248, 239, 0.5) 100%),
      url("./assets/mineral-water-ripple-bg.webp?v=20260613") left bottom / 58% auto no-repeat;
    bottom: auto;
    height: 460px;
    opacity: 0.52;
    top: 0;
    width: 100%;
  }

  .mineral-summary {
    min-height: 460px;
  }

  .mineral-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .certification-heading .section-kicker,
  .certification-heading h3,
  .certification-heading p:not(.section-kicker) {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
    max-width: 760px;
    padding-bottom: 0;
  }

  .certification-heading h3 {
    white-space: normal;
  }

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

  .cooperation-action-bar {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .cooperation-action-bar .cta-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .origin-section .editorial-split {
    gap: 42px;
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .origin-section {
    min-height: auto;
    padding: 72px 22px 80px;
  }

  .origin-section .section-copy {
    max-width: 100%;
  }

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

  .capability-strip {
    grid-template-columns: 1fr;
  }

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

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

  .site-footer {
    padding: 48px 22px 28px;
  }

  .footer-inner,
  .footer-contact {
    display: grid;
    gap: 34px;
    grid-template-columns: 1fr;
  }

  .footer-brand,
  .footer-nav,
  .footer-contact {
    min-height: auto;
    padding-left: 0;
    padding-right: 0;
  }

  .footer-nav {
    border-left: 0;
    border-right: 0;
    border-top: 1px solid rgba(7, 24, 21, 0.1);
    padding-top: 32px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-nav,
  .footer-contact dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-contact {
    padding-top: 0;
  }

  .footer-bottom {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.65;
  }

  .site-header {
    padding: 12px 18px;
  }

  .brand-mark {
    gap: 10px;
    min-height: 42px;
  }

  .brand-icon {
    border-radius: 8px;
    height: 40px;
    width: 40px;
  }

  .brand-word {
    font-size: 21px;
  }

  .menu-toggle {
    height: 44px;
    min-width: 44px;
  }

  .nav-links {
    left: 18px;
    right: 18px;
  }

  .hero {
    background:
      linear-gradient(90deg, rgba(4, 17, 14, 0.92) 0%, rgba(4, 17, 14, 0.68) 58%, rgba(4, 17, 14, 0.18) 100%),
      linear-gradient(0deg, rgba(4, 17, 14, 0.72), rgba(4, 17, 14, 0.16) 64%, transparent),
      url("./assets/image2-hero-source.webp") center / cover;
    background-size: auto, auto, cover;
    align-items: center;
    min-height: 100svh;
    padding: 108px 22px 74px;
  }

  .hero::before {
    inset: 0;
  }

  .hero::after {
    opacity: 0.56;
    transform-origin: 74% 52%;
  }

  .eyebrow,
  .section-kicker {
    font-size: 11px;
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(58px, 17vw, 78px);
    letter-spacing: 0.035em;
    line-height: 1;
    margin: 0 0 22px;
    max-width: 100%;
    white-space: normal;
  }

  .hero h1::after {
    margin-top: 20px;
    width: 148px;
  }

  .hero-copy {
    --hero-claim-size: clamp(34px, 9vw, 44px);
    min-height: auto;
    transform: none;
  }

  .hero-copy[data-reveal],
  .hero-copy[data-reveal].is-visible {
    transform: none;
  }

  .hero-subtitle {
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    max-width: 13em;
  }

  .hero-subtitle-en {
    font-size: 11px;
    letter-spacing: 0.42em;
    margin-bottom: 28px;
  }

  .hero-line {
    --hero-verse-width: 12.6em;
    font-size: 15px;
    letter-spacing: 0.045em;
    line-height: 1.9;
    max-width: calc(var(--hero-verse-width) + 16px);
    padding-left: 16px;
  }

  .hero-line p + p {
    margin-top: 14px;
  }

  .hero-line p + p::before {
    content: none;
  }

  .hero-actions,
  .cta-actions {
    display: grid;
    gap: 12px;
    margin-top: 28px;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .cta-button {
    font-size: 16px;
    min-height: 56px;
  }

  .hero-source-mark {
    display: none;
  }

  .section {
    padding: 84px 22px;
    scroll-margin-top: 78px;
  }

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

  .section-copy p,
  .section-heading p,
  .cta-inner p,
  .product-copy p {
    font-size: 16px;
    line-height: 1.75;
  }

  h2 {
    font-size: clamp(34px, 10.5vw, 46px);
    line-height: 1.18;
    margin-bottom: 24px;
  }

  .product-heading {
    gap: 14px;
    padding-top: 22px;
  }

  .product-heading .section-kicker {
    margin: 0 0 14px;
  }

  .series-title {
    display: inline-flex;
    font-size: clamp(34px, 8.8vw, 48px);
    gap: 10px 0;
    justify-content: center;
    line-height: 1.14;
    max-width: none;
  }

  .series-title span {
    padding-left: 0;
    position: static;
  }

  .series-title span + span::before {
    background: rgba(184, 157, 98, 0.72);
    content: "";
    display: inline-block;
    height: 0.62em;
    margin: 0 14px;
    position: static;
    transform: translateY(0.02em);
    width: 1px;
  }

  h3 {
    font-size: 24px;
  }

  .editorial-split,
  .certification-heading,
  .mineral-card {
    gap: 42px;
    grid-template-columns: 1fr;
  }

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

  .origin-section .editorial-split {
    gap: 58px;
    grid-template-columns: 1fr;
  }

  .origin-section .section-copy {
    max-width: 100%;
  }

  .origin-title-row {
    margin-bottom: 30px;
  }

  .origin-title-row h2 {
    font-size: clamp(44px, 12vw, 62px);
  }

  .origin-seal {
    height: 40px;
    margin-top: 2px;
    width: 40px;
  }

  .origin-narrative {
    max-width: min(420px, 100%);
  }

  .origin-section .origin-signoff {
    font-size: 26px;
    margin-top: 42px;
  }

  .image-frame::before {
    inset: 14px;
  }

  .image-frame img {
    aspect-ratio: 4 / 5;
  }

  .origin-carousel {
    aspect-ratio: 4 / 3;
    min-height: 0;
  }

  .origin-carousel::before {
    inset: -10px;
  }

  .origin-carousel img {
    aspect-ratio: 4 / 3;
  }

  .origin-slide figcaption {
    bottom: 22px;
    left: 22px;
    max-width: calc(100% - 132px);
  }

  .origin-slide figcaption strong {
    font-size: 22px;
  }

  .origin-slide figcaption small {
    font-size: 12px;
    line-height: 1.45;
  }

  .origin-carousel-controls {
    bottom: 22px;
    gap: 10px;
    right: 18px;
  }

  .origin-carousel-count {
    display: none;
  }

  .origin-carousel-arrows {
    gap: 8px;
  }

  .origin-carousel-arrow {
    height: 30px;
    width: 30px;
  }

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

  .process-panel article,
  .process-panel article:nth-child(even) {
    border-left: 0;
    border-right: 0;
    min-height: auto;
    padding: 28px 24px;
  }

  .process-panel article + article,
  .process-panel article:nth-child(n + 3) {
    border-left: 0;
    border-top: 1px solid rgba(184, 157, 98, 0.14);
  }

  .certification-panel {
    margin-top: 54px;
    padding-top: 38px;
  }

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

  .certification-grid article {
    min-height: auto;
    padding: 24px 22px;
  }

  .cert-badge {
    height: 76px;
    width: 76px;
  }

  .certification-grid h4 {
    font-size: 22px;
  }

  .certificate-showcase figure {
    padding: 14px;
  }

  .mineral-card {
    gap: 34px;
    padding: 32px 20px;
  }

  .mineral-card::before {
    background:
      linear-gradient(90deg, rgba(251, 248, 239, 0), rgba(251, 248, 239, 0.58) 100%),
      linear-gradient(180deg, rgba(251, 248, 239, 0.08), rgba(251, 248, 239, 0.54) 100%),
      url("./assets/mineral-water-ripple-bg.webp?v=20260613") left bottom / 92% auto no-repeat;
    bottom: auto;
    display: block;
    height: 360px;
    opacity: 0.46;
    top: 0;
    width: 100%;
  }

  .mineral-summary h3 {
    font-size: clamp(42px, 11vw, 50px);
    white-space: normal;
  }

  .mineral-summary {
    min-height: auto;
  }

  .mineral-summary p {
    max-width: 100%;
  }

  .mineral-grid {
    gap: 14px;
    grid-template-columns: 1fr;
  }

  .mineral-item {
    min-height: 0;
    padding: 30px 22px;
  }

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

  .product-card > img {
    background: rgba(248, 243, 232, 0.72);
    height: clamp(420px, 116vw, 550px);
    min-height: 0;
    object-fit: contain;
    padding: 0;
  }

  .product-copy {
    padding: 24px 26px 30px;
  }

  .product-copy h3 {
    font-size: 40px;
    margin-bottom: 14px;
  }

  .product-copy .product-role {
    font-size: clamp(28px, 7.2vw, 36px);
    margin-bottom: 18px;
  }

  .vision-section {
    min-height: auto;
    padding: 112px 22px 92px;
  }

  .vision-visual-inner {
    min-height: auto;
  }

  .vision-title-rule {
    margin-bottom: 30px;
  }

  .vision-statement {
    font-size: clamp(30px, 8vw, 40px);
  }

  .vision-body {
    font-size: 16px;
  }

  .vision-cards article {
    min-height: auto;
    padding: 24px 22px;
  }

  .production-section {
    padding-top: 112px;
  }

  .cta-section {
    padding: 52px 22px 72px;
    scroll-margin-top: 78px;
  }

  .cooperation-card {
    padding: 0;
  }

  .cooperation-card::before {
    left: 0;
    right: 0;
  }

  .cooperation-card h2 {
    font-size: clamp(32px, 9.8vw, 42px);
    margin-bottom: 22px;
  }

  .cooperation-card::after {
    inset: 10px;
  }

  .cooperation-action-bar .cta-actions {
    display: grid;
    gap: 12px;
  }

  .cooperation-action-bar {
    gap: 18px;
    margin-top: 30px;
    padding: 22px;
  }

  .partnership-grid {
    gap: 14px;
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .partnership-scene {
    aspect-ratio: 4 / 3;
    height: clamp(260px, 72vw, 330px);
  }

  .production-gallery {
    gap: 10px;
  }

  .production-gallery figure {
    min-height: 210px;
  }

  .production-gallery figcaption {
    padding: 16px;
  }

  .production-gallery figcaption span {
    font-size: 10px;
    margin-bottom: 7px;
  }

  .production-gallery figcaption strong {
    font-size: 20px;
  }

  .partnership-scene-copy {
    padding: 20px;
  }

  .partnership-process ol {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .partnership-process li {
    border-left: 0;
    border-top: 0;
    gap: 12px;
    font-size: 15px;
    padding: 0;
  }

  .partnership-process li::after,
  .partnership-process li:nth-child(2)::after {
    display: none;
  }

  .process-icon {
    height: 46px;
    width: 46px;
  }

  .process-icon svg {
    height: 23px;
    width: 23px;
  }

  .process-copy small {
    font-size: 11px;
  }

  .cta-button {
    min-height: 50px;
    width: 100%;
  }

  .floating-controls {
    bottom: 18px;
    height: 42px;
    right: 18px;
  }

  .back-to-top,
  .audio-toggle {
    font-size: 13px;
    gap: 7px;
    padding-left: 12px;
    padding-right: 12px;
  }

  .audio-toggle {
    min-width: 86px;
  }

  .audio-toggle.needs-interaction {
    min-width: 106px;
  }

  .floating-controls-divider {
    height: 20px;
  }

  .back-to-top-icon {
    height: 16px;
    width: 16px;
  }

  .audio-toggle-icon {
    height: 17px;
    width: 17px;
  }

  .audio-toggle-icon-wave {
    width: 24px;
  }

  .footer-logo img {
    height: 44px;
    width: 44px;
  }

  .footer-logo span {
    font-size: 24px;
  }

  .footer-nav,
  .footer-contact dl {
    gap: 26px;
  }

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

  .footer-contact dl {
    grid-template-columns: 1fr;
  }

  .footer-nav section,
  .footer-contact {
    gap: 8px;
  }

  .footer-nav a,
  .footer-contact a {
    font-size: 14px;
  }

  .footer-contact div {
    padding-bottom: 12px;
  }

  .footer-bottom {
    display: grid;
    gap: 8px;
  }
}