/* =====================================================================
   website-template — main.css
   Style 05 · Eco & Green Energy
   Earth tones · soft greens · organic curves · large radii
   ===================================================================== */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* 浅色基底 — 薄荷绿 / 奶油色 */
  --bg-0: #FFFFFF;
  --bg-1: #F7F9F1;
  --bg-2: #E8F1E2;
  --bg-3: #D1E7D0;

  /* 文字（深绿系替代纯黑） */
  --fg-0: #14532D;
  --fg-1: #3F5237;
  --fg-2: #6B7C5F;
  --fg-3: #9CA98F;

  /* 品牌强调色 — 环保绿 */
  --accent: #15803D;
  --accent-soft: rgba(21, 128, 61, 0.08);
  --accent-strong: #166534;
  --accent-leaf: #65A30D;
  --accent-lime: #84CC16;

  /* 兼容旧 token 名（避免大改） */
  --success: #15803D;
  --danger: #B91C1C;
  --warning: #D97706;

  /* 字体：Fraunces 衬线用于标题，Inter 用于正文 */
  --font-sans: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont,
               'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* 间距（沿用） */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* 圆角：更大、更有机 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-mid: 320ms;
  --dur-slow: 560ms;

  /* 阴影：绿色调（更柔和） */
  --shadow-sm: 0 2px 8px rgba(20, 83, 45, 0.06);
  --shadow-md: 0 12px 28px rgba(20, 83, 45, 0.08);
  --shadow-lg: 0 4px 12px rgba(20, 83, 45, 0.05),
               0 20px 48px rgba(20, 83, 45, 0.10);

  --container-max: 1440px;
  /* 紧凑版块间距（Eco Green 略松） */
  --section-pad-y: clamp(48px, 6vw, 80px);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg-0);
  background: #F0FDF4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
/* 树叶光晕背景图案 */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(132, 204, 22, 0.05), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(21, 128, 61, 0.05), transparent 45%);
  pointer-events: none; z-index: -1;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

img { -webkit-user-drag: none; user-drag: none; }
* { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

/* 紧凑版块 */
.screen { padding: var(--section-pad-y) 0; position: relative; }
.screen--compact { padding: clamp(32px, 4vw, 56px) 0; }
.screen--alt { background: #FFFFFF; }
.screen--soft { background: var(--bg-1); }

.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 1024px) {
  .two-col { grid-template-columns: 1.1fr 1fr; gap: var(--space-12); }
}
.two-col--flip { direction: rtl; }
.two-col--flip > * { direction: ltr; }

.three-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) { .three-col { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .three-col { grid-template-columns: repeat(3, 1fr); } }

.four-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .four-col { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .four-col { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 4. Typography ---------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-3);
}
.eyebrow--muted { color: var(--fg-2); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.8vw, 2.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  color: var(--fg-0);
}
.section-title--sm {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-lede {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  color: var(--fg-1);
  max-width: 65ch;
  line-height: 1.7;
  margin: 0 0 var(--space-6);
}
.accent { color: var(--accent); }

/* ---------- 5. Buttons（pill 形药丸）---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(21, 128, 61, 0.25);
}
.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(21, 128, 61, 0.32);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--fg-0);
}
.btn-ghost:hover { color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; min-height: 36px; }
.btn-lg { padding: 16px 32px; font-size: 1rem; min-height: 52px; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-mid) var(--ease),
              background var(--dur-mid) var(--ease);
}
.site-header.is-scrolled,
.site-header:not(.site-header--hero) {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--bg-3);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--space-3); padding-bottom: var(--space-3);
  gap: var(--space-6);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600; letter-spacing: -0.01em;
  font-size: 1.25rem;
  color: var(--accent);
}
.brand-logo {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.brand-logo::before {
  content: '🌱';
  font-size: 18px;
  filter: grayscale(1) brightness(2);
}
.primary-nav ul {
  display: none; list-style: none; margin: 0; padding: 0; gap: var(--space-6);
}
.primary-nav a {
  font-size: 0.9375rem; color: var(--fg-1); font-weight: 500;
  transition: color var(--dur-fast) var(--ease);
  position: relative; padding: 4px 0;
}
.primary-nav a:hover,
.primary-nav a.active { color: var(--accent); }
.primary-nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--accent); border-radius: 1px;
}
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.menu-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; padding: 10px;
  background: transparent; border: 1px solid var(--bg-3);
  border-radius: var(--radius-sm);
}
.menu-toggle span {
  display: block; height: 2px; background: var(--fg-0); border-radius: 1px;
  transition: transform var(--dur-fast) var(--ease);
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1024px) {
  .primary-nav ul { display: flex; }
  .menu-toggle { display: none; }
}

.mobile-nav {
  position: fixed; inset: 64px 0 0 0; z-index: 40;
  background: rgba(240, 253, 244, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-6) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--dur-mid) var(--ease);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav a {
  font-size: 1.25rem; font-weight: 600; color: var(--fg-0);
  padding: var(--space-3) 0; border-bottom: 1px solid var(--bg-2);
}
.mobile-nav a.active { color: var(--accent); }

/* ---------- 7. Page Hero ---------- */
.page-hero {
  position: relative;
  padding: 132px 0 var(--space-12);
  background:
    linear-gradient(180deg, #F0FDF4 0%, #FFFFFF 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--bg-2);
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(132, 204, 22, 0.08), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(21, 128, 61, 0.06), transparent 50%);
  pointer-events: none;
}
.page-hero__content { position: relative; z-index: 1; max-width: 800px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.1;
  margin: var(--space-3) 0 var(--space-4);
  color: var(--fg-0);
}
.page-hero p {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  color: var(--fg-1);
  max-width: 60ch;
  margin: 0 0 var(--space-6);
}

/* ---------- 8. Home Hero ---------- */
.screen-hero {
  min-height: 80vh;
  display: flex; align-items: center;
  padding-top: 96px;
  padding-bottom: var(--space-12);
  background:
    radial-gradient(1200px 600px at 80% 20%, rgba(132, 204, 22, 0.10), transparent 60%),
    radial-gradient(800px 400px at 20% 80%, rgba(21, 128, 61, 0.08), transparent 60%),
    linear-gradient(180deg, #F0FDF4, #FFFFFF);
  overflow: hidden;
  position: relative;
}
.hero-geo { position: absolute; inset: 0; pointer-events: none; opacity: 0.55; }
.geo-rect { position: absolute; border: 1px solid var(--bg-3); border-radius: 16px; }
.geo-rect--1 { top: 18%; left: 8%; width: 140px; height: 140px; }
.geo-rect--2 { bottom: 12%; right: 10%; width: 220px; height: 90px; transform: rotate(-8deg); }
.geo-line { position: absolute; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0.3; }
.geo-line--h { top: 38%; left: 0; right: 0; height: 1px; }
.geo-line--v {
  top: 0; bottom: 0; left: 60%; width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}
.screen-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--bg-3);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 var(--space-4);
  font-weight: 500;
}
.screen-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 var(--space-4);
  color: var(--fg-0);
}
.screen-title em,
.screen-title .accent { font-style: italic; }
.screen-lede {
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  color: var(--fg-1);
  max-width: 60ch;
  margin: 0 0 var(--space-6);
  line-height: 1.7;
}
.screen-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Hero Layout (left copy + right photo) ---------- */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  position: relative;
}
.hero-grid__copy {
  /* 让标题靠近中线偏右一点点，让标题和右侧图片在视觉上"贴"在一起 */
  padding-right: clamp(8px, 2vw, 24px);
  position: relative;
  z-index: 2;
}

/* ---------- Hero Photo (right-side real factory image with gradient mask) ---------- */
.hero-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  /* fallback 色，避免加载时空白 */
  background-color: #E8F1E2;
  /* 产品横幅作为 hero 背景，下面 ::before 再叠左侧渐变蒙版 */
  background-image: url('../images/hero/Product-Banner-large.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 让图片从 hero 的渐变背景里"长出来"——右侧自然溢出（平板及以上） */
  margin-right: calc(-1 * clamp(24px, 5vw, 80px));
  width: calc(100% + clamp(24px, 5vw, 80px));
  max-width: none;
}

/* —— 关键：左侧渐变蒙版，让标题与图片丝滑过渡 —— */
.hero-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* 从左（融入 hero 渐变背景）到右（透明，露出工厂图） */
  background: linear-gradient(
    90deg,
    #F0FDF4 0%,
    rgba(240, 253, 244, 0.92) 18%,
    rgba(240, 253, 244, 0.55) 36%,
    rgba(240, 253, 244, 0.18) 52%,
    rgba(240, 253, 244, 0)    68%,
    rgba(240, 253, 244, 0)    100%
  );
  /* 蒙版只覆盖左侧 70%，右侧保持图片原貌 */
  width: 70%;
  z-index: 1;
}
/* 整张图片再叠一层极淡的绿色调统一视觉 */
.hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(21, 128, 61, 0.16) 0%,
    rgba(21, 128, 61, 0.04) 40%,
    rgba(20, 83, 45, 0.18)  100%
  );
  z-index: 1;
}

/* 右下角的工厂归属标签 */
.hero-photo__badge {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 2;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(21, 128, 61, 0.30);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-strong);
  pointer-events: none;
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-sm);
}

/* —— Tablet：左右比 1:1，图片缩到原宽度，高度减到 16:9 —— */
@media (max-width: 1024px) {
  .hero-photo {
    margin-right: calc(-1 * clamp(16px, 3vw, 32px));
    width: calc(100% + clamp(16px, 3vw, 32px));
    aspect-ratio: 16 / 9;
  }
  .hero-photo::before {
    width: 60%;
  }
}

/* —— Mobile：双列退化为单列，图片做横向 cover-banner 占位 —— */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .hero-grid__copy {
    padding-right: 0;
    text-align: left;
  }
  .hero-photo {
    margin-right: calc(-1 * var(--space-4));
    margin-left:  calc(-1 * var(--space-4));
    width: calc(100% + var(--space-4) * 2);
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    aspect-ratio: 2 / 1;
    border-radius: 0;
    box-shadow: none;
    order: -1;
  }
  /* 移动端：渐变蒙版改成底部，让标题文字显示在图片上方 */
  .hero-photo::before {
    width: 100%;
    height: 50%;
    background: linear-gradient(
      180deg,
      #F0FDF4 0%,
      rgba(240, 253, 244, 0.85) 30%,
      rgba(240, 253, 244, 0.30) 70%,
      rgba(240, 253, 244, 0)    100%
    );
  }
  .hero-photo__badge {
    right: var(--space-3);
    bottom: var(--space-3);
    padding: 5px 10px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-photo { transition: none; }
}

.reveal-up {
  opacity: 0; transform: translateY(20px);
  animation: revealUp var(--dur-slow) var(--ease-out) forwards;
}
.reveal-up:nth-child(1) { animation-delay: 0.05s; }
.reveal-up:nth-child(2) { animation-delay: 0.16s; }
.reveal-up:nth-child(3) { animation-delay: 0.28s; }
.reveal-up:nth-child(4) { animation-delay: 0.40s; }
@keyframes revealUp {
  to { opacity: 1; transform: translateY(0); }
}

[data-reveal] {
  opacity: 0; transform: translateY(20px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- 9. Bullet List ---------- */
.bullet-list {
  list-style: none; padding: 0; margin: var(--space-4) 0 0;
  display: grid; gap: var(--space-2);
}
.bullet-list li {
  padding-left: 28px; position: relative; color: var(--fg-1);
  line-height: 1.6;
  font-size: 0.9375rem;
}
.bullet-list li::before {
  content: '🌿';
  position: absolute; left: 0; top: 2px;
  font-size: 14px;
}

/* ---------- 10. Media（关键高精图防盗）---------- */
.media-protected {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background-color: var(--bg-2);
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.media-protected::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(21, 128, 61, 0.06));
  pointer-events: none;
}
.media-protected--wide { aspect-ratio: 16 / 9; }
.media-protected--tall { aspect-ratio: 3 / 4; }
.media-protected--square { aspect-ratio: 1 / 1; }

.media-plain {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background-color: var(--bg-2);
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

/* ---------- 11. Product Cards（圆润有机）---------- */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }

.product-card {
  display: block; color: inherit;
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(20, 83, 45, 0.12);
}
.product-card__media {
  width: 100%; aspect-ratio: 4 / 3;
  background-color: var(--bg-2);
  background-size: cover; background-position: center;
}
.product-card__body { padding: var(--space-5); }
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 600; margin: 0 0 var(--space-1);
  color: var(--fg-0);
  letter-spacing: -0.01em;
}
.product-card__tag {
  font-size: 0.8125rem; color: var(--fg-2); margin: 0 0 var(--space-3);
  line-height: 1.55;
}
.product-card__link {
  font-size: 0.875rem; color: var(--accent); font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
}

.product-list { display: grid; gap: var(--space-3); }
.product-list__item {
  display: grid; grid-template-columns: 80px 1fr auto; align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease);
}
.product-list__item:hover { border-color: var(--accent); }
.product-list__thumb {
  width: 80px; height: 80px; border-radius: var(--radius-sm);
  background-color: var(--bg-2); background-size: cover; background-position: center;
}
.product-list__name { font-weight: 600; margin: 0; font-size: 0.9375rem; }
.product-list__meta { font-size: 0.8125rem; color: var(--fg-2); margin: 0; }

/* ---------- 12. Stats（圆润紧凑）---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  text-align: center;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--bg-2);
  border-bottom: 1px solid var(--bg-2);
}
@media (min-width: 768px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-item { position: relative; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg-0);
  display: inline-block;
}
.stat-unit {
  display: inline-block;
  font-size: clamp(0.875rem, 1.4vw, 1rem);
  font-weight: 600;
  color: var(--accent);
  margin-left: 4px;
  vertical-align: top;
  line-height: 1.4;
}
.stat-label {
  margin-top: var(--space-2);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
  font-weight: 500;
}

/* ---------- 13. Feature Grid（绿底圆圈图标）---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }
.feature {
  padding: var(--space-6);
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  border-radius: var(--radius-lg);
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 16px 32px rgba(20, 83, 45, 0.10);
}
.feature__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(21, 128, 61, 0.10);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-3);
  transition: transform var(--dur-mid) var(--ease);
}
.feature:hover .feature__icon { transform: scale(1.08) rotate(6deg); }
.feature__icon svg { width: 24px; height: 24px; color: var(--accent); }
.feature__title {
  font-family: var(--font-display);
  font-size: 1.125rem; font-weight: 600; margin: 0 0 var(--space-2);
  color: var(--fg-0);
  letter-spacing: -0.01em;
}
.feature__desc { font-size: 0.875rem; color: var(--fg-2); margin: 0; line-height: 1.6; }

/* ---------- 14. Industry Cards ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
@media (min-width: 768px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .industry-grid { grid-template-columns: repeat(3, 1fr); } }
.industry-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background-color: var(--bg-2);
  transition: transform var(--dur-mid) var(--ease);
  cursor: pointer;
  display: block;
}
.industry-card:hover { transform: translateY(-4px); }
.industry-card__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 600ms var(--ease);
}
.industry-card:hover .industry-card__bg { transform: scale(1.06); }
.industry-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(240, 253, 244, 0.96) 100%);
  z-index: 1;
}
.industry-card__body {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-5);
  z-index: 2;
}
.industry-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 600; margin: 0 0 var(--space-1);
  color: var(--fg-0);
  letter-spacing: -0.01em;
}
.industry-card__desc {
  font-size: 0.8125rem; color: var(--fg-1); margin: 0;
}

/* ---------- 15. Certification Strip（圆形图标）---------- */
.cert-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}
@media (min-width: 768px) { .cert-strip { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .cert-strip { grid-template-columns: repeat(6, 1fr); } }
.cert-tile {
  padding: var(--space-4) var(--space-3);
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-mid) var(--ease);
}
.cert-tile:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.cert-tile__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 var(--space-1);
  letter-spacing: -0.01em;
}
.cert-tile__desc {
  font-size: 0.6875rem;
  color: var(--fg-2);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- 16. CTA Banner（绿色渐变）---------- */
.cta-banner {
  position: relative;
  padding: clamp(48px, 6vw, 80px) 0;
  background:
    radial-gradient(800px 400px at 80% 30%, rgba(132, 204, 22, 0.18), transparent 60%),
    linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  text-align: center;
  color: #FFFFFF;
  overflow: hidden;
}
.cta-banner::before {
  content: '🌿';
  position: absolute; top: 30%; left: 8%;
  font-size: 80px; opacity: 0.08;
  transform: rotate(-12deg);
}
.cta-banner::after {
  content: '🌱';
  position: absolute; bottom: 20%; right: 8%;
  font-size: 60px; opacity: 0.10;
  transform: rotate(20deg);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-3);
  line-height: 1.2;
}
.cta-banner p {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 60ch; margin: 0 auto var(--space-5);
}
.cta-banner__buttons {
  display: inline-flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: center;
}
.cta-banner .btn-primary {
  background: #FFFFFF;
  color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.cta-banner .btn-primary:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
}
.cta-banner .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
}
.cta-banner .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
}

/* ---------- 17. Process Timeline ---------- */
.timeline {
  position: relative;
  margin-top: var(--space-6);
  padding-left: var(--space-8);
}
.timeline::before {
  content: ''; position: absolute;
  left: 14px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--bg-3);
  border-radius: 1px;
}
.timeline-step {
  position: relative;
  padding-bottom: var(--space-8);
}
.timeline-step__dot {
  position: absolute;
  left: -34px; top: 4px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid #FFFFFF;
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-step__title {
  font-family: var(--font-display);
  font-size: 1.125rem; font-weight: 600; margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
.timeline-step__desc {
  color: var(--fg-1);
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.65;
}
.timeline-step__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 var(--space-2);
  display: block;
  font-weight: 600;
}

/* ---------- 18. FAQ Accordion ---------- */
.faq {
  margin-top: var(--space-8);
  max-width: 880px;
}
.faq-item {
  border-bottom: 1px solid var(--bg-2);
}
.faq-item__btn {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%;
  padding: var(--space-5) 0;
  background: transparent;
  border: none;
  color: var(--fg-0);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  gap: var(--space-4);
}
.faq-item__icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--dur-fast) var(--ease);
  font-size: 16px; line-height: 1;
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-mid) var(--ease);
}
.faq-item.is-open .faq-item__panel { max-height: 600px; }
.faq-item__panel-inner {
  padding: 0 0 var(--space-5);
  color: var(--fg-1);
  line-height: 1.7;
  max-width: 70ch;
  font-size: 0.9375rem;
}

/* ---------- 19. Breadcrumb ---------- */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--fg-2);
  margin: 0 0 var(--space-3);
}
.breadcrumb a { color: var(--fg-2); transition: color var(--dur-fast) var(--ease); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb__sep { color: var(--fg-3); }
.breadcrumb__current { color: var(--fg-0); font-weight: 500; }

/* ---------- 20. Sidebar ---------- */
.with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .with-sidebar {
    grid-template-columns: 220px 1fr;
    gap: var(--space-12);
  }
}
.sidebar {
  position: sticky; top: 96px;
  align-self: start;
}
.sidebar__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-0);
  margin: 0 0 var(--space-3);
  font-weight: 600;
}
.sidebar__list { list-style: none; padding: 0; margin: 0 0 var(--space-6); }
.sidebar__list a {
  display: block; padding: var(--space-3) var(--space-4);
  color: var(--fg-1);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  margin-bottom: var(--space-2);
  transition: all var(--dur-fast) var(--ease);
}
.sidebar__list a:hover,
.sidebar__list a.is-active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-6) 0;
  font-size: 0.875rem;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.param-table th,
.param-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--bg-2);
}
.param-table th {
  width: 35%;
  color: var(--fg-2);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-1);
}
.param-table td { color: var(--fg-0); }
.param-table tr:last-child th,
.param-table tr:last-child td { border-bottom: none; }

/* ---------- 21. Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}
@media (min-width: 768px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } }
.gallery-item {
  width: 100%; aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background-color: var(--bg-2);
  background-size: cover; background-position: center;
  cursor: zoom-in;
  transition: transform var(--dur-mid) var(--ease);
}
.gallery-item:hover { transform: scale(1.03); }

/* ---------- 22. Contact Form ---------- */
.inquiry-form {
  display: grid; gap: var(--space-4);
  padding: var(--space-8);
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--bg-2);
}
.form-row {
  display: grid; gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}
.form-field { display: grid; gap: var(--space-2); }
.form-field > span {
  font-size: 0.8125rem;
  color: var(--fg-1);
  letter-spacing: 0.02em;
  font-weight: 600;
}
.form-field > span i { color: var(--accent); font-style: normal; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  font: inherit;
  color: var(--fg-0);
  background: var(--bg-1);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  min-height: 44px;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.15);
}
.form-field input:invalid:not(:placeholder-shown),
.form-field textarea:invalid:not(:placeholder-shown) {
  border-color: var(--danger);
}

.hp {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important; height: 1px !important;
  opacity: 0 !important; pointer-events: none !important;
}

.btn-spinner {
  display: none;
  width: 14px; height: 14px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.btn.is-loading .btn-spinner { display: inline-block; }
.btn.is-loading .btn-label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-status {
  margin: 0;
  font-size: 0.875rem;
  color: var(--fg-1);
  min-height: 1.4em;
}
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
@media (min-width: 640px) { .contact-cards { grid-template-columns: repeat(2, 1fr); } }
.contact-card {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-5);
  background: #FFFFFF;
  border: 1px solid var(--bg-2);
  border-radius: var(--radius-lg);
  transition: all var(--dur-mid) var(--ease);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.contact-card__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(21, 128, 61, 0.10);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.contact-card__label {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin: 0 0 var(--space-1);
  font-weight: 600;
}
.contact-card__value {
  font-size: 0.9375rem;
  color: var(--fg-0);
  margin: 0;
  word-break: break-word;
  font-weight: 500;
}

/* ---------- 23. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--bg-3);
  background: var(--accent-strong);
  color: rgba(255, 255, 255, 0.88);
  padding: var(--space-12) 0 var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-8); } }
.footer-brand__desc {
  margin: var(--space-3) 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 36ch;
}
.footer-brand .brand { color: #FFFFFF; }
.footer-brand .brand-logo { background: #FFFFFF; }
.footer-brand .brand-logo::before { filter: none; }
.footer-col__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin: 0 0 var(--space-4);
  font-weight: 600;
}
.footer-col__list { list-style: none; padding: 0; margin: 0; }
.footer-col__list li { margin-bottom: var(--space-2); }
.footer-col__list a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--dur-fast) var(--ease);
}
.footer-col__list a:hover { color: var(--accent-lime); }
.footer-bottom {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.88); }
.footer-bottom a:hover { color: var(--accent-lime); }

/* ---------- 24. Toast ---------- */
.toast-container {
  position: fixed; top: 96px; right: var(--space-6);
  z-index: 100;
  display: flex; flex-direction: column; gap: var(--space-3);
  pointer-events: none;
}
.toast {
  padding: var(--space-3) var(--space-5);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  color: var(--fg-0);
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  min-width: 240px;
  pointer-events: auto;
  animation: toastIn 280ms var(--ease-out) forwards;
}
.toast.is-success { border-color: var(--accent); }
.toast.is-error { border-color: var(--danger); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------- 25. Eco Bar（顶部绿条，可选启用）---------- */
.eco-bar {
  background: var(--accent);
  color: #FFFFFF;
  padding: 8px 32px;
  font-size: 13px;
  text-align: center;
}

/* ---------- 26. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}