:root {
  --green-deep: #1a5c3a;
  --green-main: #2d8a5e;
  --green-light: #4caf7a;
  --green-pale: #e8f5ee;
  --earth: #8b6f47;
  --earth-light: #c4a96a;
  --bg: #fafdf9;
  --text: #1a2e23;
  --text-secondary: #4a6356;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 2px 20px rgba(26,92,58,0.08);
  --shadow-hover: 0 8px 32px rgba(26,92,58,0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,253,249,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(26,92,58,0.08);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 1px 12px rgba(26,92,58,0.06); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--green-deep);
}
.nav-logo-image {
  height: 42px;
  width: auto;
  display: block;
}
.nav-logo-home {
  font-size: 15px;
  font-weight: 600;
  color: var(--green-deep);
  letter-spacing: 1px;
}
.nav-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
  text-decoration: none; color: var(--text-secondary);
  font-size: 14px; font-weight: 500;
  transition: color 0.2s; position: relative;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--green-main); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--green-main);
  transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--green-main) !important; color: white !important;
  padding: 8px 20px !important; border-radius: 20px !important;
  font-size: 14px !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--green-deep) !important; }

.mobile-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 8px;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); margin: 5px 0;
  transition: 0.3s;
}

.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 100px 32px 60px;
  background: linear-gradient(180deg, var(--green-pale) 0%, var(--bg) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(45,138,94,0.06) 0%, transparent 70%);
}
.hero::after {
  content: ''; position: absolute; bottom: -100px; left: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(196,169,106,0.06) 0%, transparent 70%);
}
.hero-content {
  max-width: 1200px; text-align: center; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: rgba(45,138,94,0.1); color: var(--green-main);
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); font-weight: 700;
  line-height: 1.15; color: var(--green-deep);
  margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--green-main), var(--earth-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px); color: var(--text-secondary);
  max-width: 620px; margin: 0 auto 36px; line-height: 1.8;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 28px; font-size: 16px;
  font-weight: 600; text-decoration: none; cursor: pointer;
  transition: all 0.3s; border: none;
}
.btn-primary {
  background: var(--green-main); color: white;
  box-shadow: 0 4px 16px rgba(45,138,94,0.3);
}
.btn-primary:hover {
  background: var(--green-deep);
  box-shadow: 0 6px 24px rgba(45,138,94,0.4);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent; color: var(--green-main);
  border: 2px solid var(--green-main);
}
.btn-outline:hover {
  background: var(--green-pale);
  transform: translateY(-2px);
}
.hero-product-shell {
  margin: 56px auto 0;
  width: min(100%, 1220px);
  padding: 0 24px;
  position: relative;
}
.hero-product {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 680px;
  border-radius: 34px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.26), transparent 52%),
    linear-gradient(135deg, #dff0e4 0%, #b9ddc1 42%, #8dc39d 100%);
  box-shadow: 0 28px 90px rgba(26,92,58,0.18);
}
.hero-product::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(115,159,124,0.26) 0%, rgba(115,159,124,0.08) 12%, transparent 24%, transparent 76%, rgba(115,159,124,0.08) 88%, rgba(115,159,124,0.26) 100%);
  z-index: 2;
  pointer-events: none;
}
.hero-product img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  padding: 0;
  filter: none;
}
.hero-product-glow {
  position: absolute;
  top: 50%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}
.hero-product-glow-left {
  left: -46px;
  background: radial-gradient(circle, rgba(201,232,173,0.32) 0%, rgba(201,232,173,0.12) 46%, transparent 72%);
}
.hero-product-glow-right {
  right: -46px;
  background: radial-gradient(circle, rgba(174,224,187,0.3) 0%, rgba(174,224,187,0.1) 46%, transparent 72%);
}
.carousel {
  position: relative;
}
.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.carousel-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: rgba(13,31,22,0.45);
  color: white;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.carousel-arrow:hover {
  background: rgba(13,31,22,0.7);
}
.carousel-prev {
  left: 16px;
}
.carousel-next {
  right: 16px;
}
.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 10px;
}
.carousel-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.48);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}
.carousel-dots button.active {
  background: rgba(255,255,255,0.96);
  transform: scale(1.15);
}

section { padding: 100px 32px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: var(--green-main); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px); font-weight: 700;
  color: var(--green-deep); line-height: 1.25; margin-bottom: 16px;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary);
  max-width: 680px; line-height: 1.8;
}
.section-desc-secondary {
  margin-top: 16px;
}

.brand { background: var(--white); }
.brand-grid {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 52px; align-items: start; margin-top: 48px;
}
.brand-values {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-top: 28px;
}
.brand-value {
  padding: 22px 20px; border-radius: 18px;
  background: linear-gradient(180deg, #edf7f1 0%, #e7f2ed 100%);
  border: 1px solid rgba(45,138,94,0.08);
}
.brand-value h4 { font-size: 18px; font-weight: 700; color: var(--green-deep); margin-bottom: 8px; }
.brand-value p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }
.brand-panel {
  width: 100%; min-height: 100%; border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(196,169,106,0.18), transparent 38%),
    linear-gradient(160deg, #f6fbf7 0%, #edf7f1 52%, #e4efe7 100%);
  border: 1px solid rgba(45,138,94,0.12);
  padding: 34px 34px 30px;
  display: flex; flex-direction: column; justify-content: space-between;
  color: var(--text-secondary);
}
.brand-panel-logo {
  width: min(220px, 64%);
  height: auto;
  display: block;
}
.brand-panel h3 {
  font-size: 26px; line-height: 1.32; color: var(--green-deep); margin: 18px 0 10px; max-width: 360px;
}
.brand-panel p { font-size: 15px; line-height: 1.85; max-width: 400px; }
.brand-panel-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px;
}
.brand-panel-meta div {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(45,138,94,0.08);
  border-radius: 16px; padding: 14px 15px;
}
.brand-panel-meta strong {
  display: block; font-size: 12px; letter-spacing: 1px; color: var(--green-main);
  margin-bottom: 6px;
}
.brand-panel-meta span {
  font-size: 14px; color: var(--green-deep); line-height: 1.7;
}

.products { background: var(--bg); }
.products-header { text-align: center; margin-bottom: 56px; }
.products-header .section-title { margin-top: 0; }
.products-header .section-desc { margin: 0 auto; }
.product-sections {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.product-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 34px;
  align-items: center;
  background: var(--white);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.product-section-media {
  padding: 28px 0 28px 28px;
}
.product-section-content {
  padding: 34px 34px 34px 0;
}
.product-image {
  width: 100%; aspect-ratio: 16/9; position: relative; overflow: hidden; background: #f7fbf8;
  border-radius: 18px;
}
.product-image img {
  width: 100%; height: 100%; display: block; object-fit: cover;
}
.product-image::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 38%;
  background: linear-gradient(180deg, transparent 0%, rgba(12,25,18,0.52) 100%);
  pointer-events: none;
}
.product-image-label {
  position: absolute; left: 20px; bottom: 16px; z-index: 1;
  font-size: 14px; color: rgba(255,255,255,0.92); letter-spacing: 0.5px;
}
.product-tag {
  display: inline-block; padding: 4px 12px; border-radius: 12px;
  font-size: 12px; font-weight: 600; margin-bottom: 12px;
}
.product-tag.heimu { background: #e8f5ee; color: var(--green-main); }
.product-tag.fenmu { background: #fdf0e0; color: var(--earth); }
.product-section-content h3 {
  font-size: 24px; font-weight: 700; color: var(--green-deep);
  margin-bottom: 12px;
}
.product-section-content .desc {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 20px;
}
.product-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
.product-summary-grid div {
  padding: 14px 15px;
  border-radius: 16px;
  background: #f7fbf8;
  border: 1px solid rgba(45,138,94,0.08);
}
.product-summary-grid strong {
  display: block;
  font-size: 12px;
  color: var(--green-main);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.product-summary-grid span {
  font-size: 14px;
  color: var(--green-deep);
  line-height: 1.7;
}
.product-features {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px;
}
.product-feature {
  padding: 6px 14px; border-radius: 16px;
  background: var(--green-pale); font-size: 13px;
  color: var(--green-deep); font-weight: 500;
}
.btn-buy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 28px; border-radius: 24px;
  background: var(--green-main); color: white;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: all 0.3s; border: none; cursor: pointer;
}
.btn-buy:hover {
  background: var(--green-deep);
  box-shadow: 0 4px 16px rgba(45,138,94,0.3);
  transform: translateY(-1px);
}

.advantages {
  background: var(--white);
}
.safety-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: start;
}
.safety-docs,
.safety-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.safety-doc-block,
.safety-list-item {
  background: linear-gradient(180deg, #ffffff 0%, #f6faf7 100%);
  border: 1px solid rgba(45,138,94,0.08);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.safety-doc-head h3,
.safety-list-item h3 {
  font-size: 26px;
  line-height: 1.35;
  color: var(--green-deep);
  margin: 16px 0 14px;
}
.safety-list-item p,
.safety-doc-block p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}
.advantage-tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(45,138,94,0.1);
  color: var(--green-main);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.advantage-list {
  margin-top: 18px;
  padding-left: 18px;
}
.advantage-list li {
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.8;
}

.article-preview {
  background: var(--white);
}
.article-preview-card {
  display: grid; grid-template-columns: minmax(0, 500px) minmax(0, 1fr);
  gap: 48px; align-items: start;
  background: linear-gradient(160deg, #f7fbf8 0%, #eef7f1 100%);
  border: 1px solid rgba(45,138,94,0.1);
  border-radius: 22px; padding: 32px;
  box-shadow: var(--shadow);
}
.article-preview-image {
  overflow: hidden; border-radius: 16px; min-height: 280px; aspect-ratio: 16 / 9;
}
.article-preview-image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.article-preview-body {
  padding: 6px 4px 0 0;
}
.article-preview-body h3 {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25; color: var(--green-deep); margin: 12px 0 16px;
}
.article-preview-body p {
  font-size: 16px; color: var(--text-secondary); line-height: 1.85;
}
.article-preview-actions {
  justify-content: flex-start;
  margin-top: 24px;
}

.article-hero {
  padding: 120px 32px 56px;
  background: linear-gradient(180deg, var(--green-pale) 0%, var(--white) 100%);
}
.article-hero-list {
  min-height: auto;
}
.article-hero-inner {
  max-width: 920px;
}
.article-meta {
  font-size: 14px; color: var(--text-secondary); margin: 10px 0 18px;
}
.article-cover {
  margin-top: 32px; overflow: hidden; border-radius: 20px;
  box-shadow: var(--shadow-hover);
}
.article-cover img {
  width: 100%; display: block; object-fit: cover;
}

.article-list-page {
  background: var(--bg);
}
.article-section-head {
  display: flex; justify-content: space-between; align-items: end;
  gap: 24px; margin-bottom: 28px;
}
.article-section-head .section-desc {
  max-width: 460px;
}
.article-section-head-history {
  margin-top: 54px;
}
.article-featured {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px;
  background: var(--white); border-radius: 22px; overflow: hidden;
  box-shadow: var(--shadow);
}
.article-featured-image {
  display: block; min-height: 360px;
}
.article-featured-image img {
  width: 100%; height: 100%; display: block; object-fit: cover;
}
.article-featured-body {
  padding: 30px 30px 28px;
  display: flex; flex-direction: column; justify-content: center;
}
.article-featured-body h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25; margin: 14px 0 14px;
}
.article-featured-body h2 a {
  color: var(--green-deep); text-decoration: none;
}
.article-featured-body p {
  font-size: 16px; color: var(--text-secondary); line-height: 1.9;
}
.article-list-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.article-card {
  background: var(--white); border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow); transition: transform 0.3s, box-shadow 0.3s;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.article-card-image {
  display: block; aspect-ratio: 4/3; overflow: hidden;
  background: linear-gradient(140deg, #edf7f1 0%, #dbe8de 100%);
}
.article-card-image img {
  width: 100%; height: 100%; display: block; object-fit: cover;
}
.article-card-image-placeholder {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 14px;
}
.article-card-body {
  padding: 22px;
}
.article-card-tag {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: rgba(45,138,94,0.1); color: var(--green-main);
  font-size: 12px; font-weight: 600;
}
.article-card h2 {
  font-size: 22px; line-height: 1.35; margin: 14px 0 12px;
}
.article-card h2 a {
  color: var(--green-deep); text-decoration: none;
}
.article-card p {
  font-size: 15px; color: var(--text-secondary); line-height: 1.8;
}
.article-card-meta {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-top: 18px; font-size: 14px;
}
.article-card-meta span {
  color: var(--text-secondary);
}
.article-card-meta a {
  color: var(--green-main); text-decoration: none; font-weight: 600;
}
.article-history-list {
  display: flex; flex-direction: column; gap: 18px;
}
.article-history-item {
  display: grid; grid-template-columns: 120px minmax(0, 1fr) 120px;
  gap: 20px; align-items: center;
  background: var(--white); border-radius: 18px; padding: 24px;
  box-shadow: var(--shadow);
}
.article-history-date span {
  display: inline-block; padding: 8px 12px; border-radius: 999px;
  background: rgba(45,138,94,0.08); color: var(--green-main);
  font-size: 13px; font-weight: 600;
}
.article-history-content h3 {
  font-size: 24px; line-height: 1.35; margin: 12px 0 10px;
}
.article-history-content h3 a {
  color: var(--green-deep); text-decoration: none;
}
.article-history-content p {
  font-size: 15px; color: var(--text-secondary); line-height: 1.8;
}
.article-history-link {
  color: var(--green-main); text-decoration: none; font-weight: 700;
  text-align: right;
}
.article-history-item-empty {
  border: 1px dashed rgba(45,138,94,0.16);
  box-shadow: none;
}

.article-page {
  background: var(--white);
}
.article-layout {
  display: grid; grid-template-columns: minmax(0, 2fr) 320px; gap: 40px;
  align-items: start;
}
.article-content {
  max-width: 100%;
}
.article-content h2 {
  font-size: 28px; line-height: 1.3; color: var(--green-deep);
  margin: 34px 0 14px;
}
.article-content p {
  font-size: 16px; line-height: 1.95; color: var(--text);
  margin-bottom: 16px;
}
.article-intro-box,
.article-tip,
.article-reminder,
.article-side-card {
  border-radius: 18px; padding: 22px 24px;
}
.article-intro-box {
  background: linear-gradient(150deg, #f7fbf8 0%, #eef7f1 100%);
  border: 1px solid rgba(45,138,94,0.1);
  margin-bottom: 12px;
}
.article-tip {
  background: #f5f7ef;
  border-left: 4px solid var(--earth-light);
  margin: 28px 0;
}
.article-reminder {
  background: rgba(45,138,94,0.08);
  border: 1px solid rgba(45,138,94,0.1);
  margin-top: 30px;
}
.article-intro-box strong,
.article-tip strong,
.article-reminder strong,
.article-side-card strong {
  display: block; color: var(--green-deep); font-size: 15px; margin-bottom: 10px;
}
.article-sidebar {
  position: sticky; top: 88px;
}
.article-side-card {
  background: var(--bg);
  border: 1px solid rgba(45,138,94,0.08);
  margin-bottom: 18px;
}
.article-side-card a {
  display: block; color: var(--text-secondary); text-decoration: none;
  margin-bottom: 10px; line-height: 1.7;
}
.article-side-card a:last-child {
  margin-bottom: 0;
}
.article-side-card a:hover {
  color: var(--green-main);
}

.certs {
  background: linear-gradient(180deg, #fffdf8 0%, #f7fbf8 100%);
}
.cert-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}
.cert-summary-item {
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(45,138,94,0.08);
  border-radius: 16px;
  padding: 18px;
}
.cert-summary-item strong {
  display: block;
  font-size: 12px;
  color: var(--green-main);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.cert-summary-item span {
  font-size: 14px;
  color: var(--green-deep);
  line-height: 1.7;
}
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.cert-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(45,138,94,0.08);
}
.cert-card-image {
  aspect-ratio: 4 / 3;
  background: #f8faf7;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.cert-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.cert-card-body {
  padding: 24px;
}
.cert-card-body h3 {
  font-size: 22px;
  color: var(--green-deep);
  margin-bottom: 10px;
}
.cert-card-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
}
.cert-docs {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cert-docs a {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(45,138,94,0.08);
  color: var(--green-deep);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.cert-docs a:hover {
  background: rgba(45,138,94,0.14);
}
.product-doc-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.product-doc-facts div {
  padding: 14px 15px;
  border-radius: 16px;
  background: #f7fbf8;
  border: 1px solid rgba(45,138,94,0.08);
}
.product-doc-facts strong {
  display: block;
  font-size: 12px;
  color: var(--green-main);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.product-doc-facts span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--green-deep);
}
.product-doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.product-doc-links a {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(45,138,94,0.08);
  color: var(--green-deep);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.product-doc-links a:hover {
  background: rgba(45,138,94,0.14);
}

.contact {
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: linear-gradient(180deg, #ffffff 0%, #f6faf7 100%);
  border: 1px solid rgba(45,138,94,0.08);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.contact-label {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(45,138,94,0.1);
  color: var(--green-main);
  font-size: 12px;
  font-weight: 700;
}
.contact-card h3 {
  font-size: 28px;
  color: var(--green-deep);
  margin: 16px 0 10px;
  line-height: 1.3;
}
.contact-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 18px;
}
.contact-card a {
  color: var(--green-main);
  text-decoration: none;
  font-weight: 600;
}
.contact-card a:hover {
  text-decoration: underline;
}

.footer-logo {
  width: min(240px, 82%);
  height: auto;
  display: block;
  margin-bottom: 14px;
}

.purchase {
  background: linear-gradient(135deg, var(--green-deep), #0d3d25);
  color: white; text-align: center;
}
.purchase .section-label { color: var(--earth-light); }
.purchase .section-title { color: white; }
.purchase .section-desc { color: rgba(255,255,255,0.7); margin: 0 auto 40px; }
.purchase-methods {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 40px;
}
.purchase-method {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 32px 24px;
  transition: all 0.3s;
}
.purchase-method:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}
.purchase-method h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.purchase-method p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; }
.purchase-method a {
  color: rgba(255,255,255,0.94);
  text-decoration: none;
}
.purchase-method a:hover { color: var(--white); text-decoration: underline; }

footer {
  background: #0d1f16; color: rgba(255,255,255,0.5);
  padding: 48px 32px 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) repeat(3, minmax(140px, 0.8fr));
  align-items: start;
  gap: 28px 36px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-logo {
  width: 180px;
  max-width: 100%;
  height: auto;
  display: block;
}
.footer-brand h3 {
  color: white; font-size: 20px; font-weight: 700;
  letter-spacing: 2px; margin-bottom: 8px;
}
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 260px; }
.footer-links {
  min-width: 0;
}
.footer-links h4 {
  color: rgba(255,255,255,0.8); font-size: 14px;
  font-weight: 600; margin-bottom: 12px;
}
.footer-links a {
  display: block; color: rgba(255,255,255,0.6);
  text-decoration: none; font-size: 14px;
  margin-bottom: 8px; transition: color 0.2s;
  max-width: 260px;
}
.footer-links a:hover { color: var(--green-light); }
.footer-links-legal a {
  color: rgba(255,255,255,0.72);
}
.footer-bottom {
  max-width: 1100px; margin: 32px auto 0;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center; font-size: 13px;
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(250,253,249,0.98);
    backdrop-filter: blur(20px);
    padding: 24px 32px; gap: 20px;
    border-bottom: 1px solid rgba(26,92,58,0.08);
  }
  .brand-grid,
  .purchase-methods,
  .brand-values,
  .brand-panel-meta,
  .cert-summary,
  .cert-grid,
  .contact-grid,
  .article-list-grid,
  .article-layout,
  .article-preview-card,
  .article-featured {
    grid-template-columns: 1fr;
  }
  .product-section,
  .safety-layout {
    grid-template-columns: 1fr;
  }
  section { padding: 64px 20px; }
  .hero { padding: 80px 20px 40px; }
  .hero-product-shell {
    padding: 0;
  }
  .hero-product {
    min-height: 0;
    aspect-ratio: 16 / 9;
    border-radius: 22px;
  }
  .hero-product img {
    padding: 0;
  }
  .footer-inner { grid-template-columns: 1fr; }
  .brand-panel { aspect-ratio: auto; }
  .article-hero { padding: 100px 20px 40px; }
  .article-sidebar { position: static; }
  .carousel-arrow {
    width: 38px;
    height: 38px;
    font-size: 24px;
  }
  .hero-product-glow {
    width: 140px;
    height: 140px;
  }
  .article-section-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .article-history-item {
    grid-template-columns: 1fr;
  }
  .article-history-link {
    text-align: left;
  }
  .article-card-meta {
    align-items: flex-start;
    flex-direction: column;
  }
  .product-section-media {
    padding: 20px 20px 0;
  }
  .product-section-content {
    padding: 0 20px 24px;
  }
  .product-summary-grid,
  .product-doc-facts {
    grid-template-columns: 1fr;
  }
}

.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }