/* ========== CSS Variables ========== */
:root {
  --primary: #0F5A4E;
  --primary-dark: #0A3D34;
  --primary-light: #1A6B5C;
  --gold: #c8a04a;
  --gold-light: #dab85e;
  --gold-dark: #a8842f;
  --gold-soft: #f5edd6;
  --bg: #ffffff;
  --bg-alt: #f0f7f4;
  --bg-warm: #faf8f3;
  --text: #2c3e50;
  --text-light: #5a6c7d;
  --border: #e2e8f0;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ========== Reset ========== */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  padding-top: 64px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ========== Container ========== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ========== Header ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,90,78,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  border-bottom: 1px solid rgba(200,160,74,0.2);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.15rem; }
.logo-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff; font-weight: 700;
}
.logo-text { letter-spacing: 0.5px; }
.logo-text small { display: block; font-size: 0.65rem; font-weight: 400; opacity: 0.7; letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 500;
  transition: var(--transition); position: relative; padding: 4px 0;
}
.nav a:hover { color: var(--gold-light); }
.nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--gold); transition: width 0.3s;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--gold-light); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.lang-switcher { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; }
.lang-switcher a { color: rgba(255,255,255,0.7); text-decoration: none; padding: 2px 6px; border-radius: 4px; transition: var(--transition); }
.lang-switcher a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.lang-switcher a.active { color: var(--gold-light); font-weight: 600; }
.lang-switcher .sep { color: rgba(255,255,255,0.3); }
.btn-contact {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff; padding: 8px 20px; border-radius: 6px; font-size: 0.85rem; font-weight: 600;
  transition: var(--transition); white-space: nowrap;
}
.btn-contact:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(200,160,74,0.4); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ========== Banner (light & airy) ========== */
.banner {
  position: relative; min-height: 460px; display: flex; align-items: center;
  background: linear-gradient(160deg, #f0f7f4 0%, #e6f5f0 40%, #f5edd6 100%);
  overflow: hidden;
}
.banner::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(200,160,74,0.15) 0%, transparent 50%),
    radial-gradient(circle at 15% 80%, rgba(15,90,78,0.08) 0%, transparent 45%);
}
.banner-content { position: relative; z-index: 2; padding: 48px 0; }
.banner-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,160,74,0.15); border: 1px solid rgba(200,160,74,0.3);
  color: var(--gold-dark); padding: 6px 16px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600; margin-bottom: 18px;
}
.banner h1 {
  color: var(--primary-dark); font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800;
  line-height: 1.25; margin-bottom: 12px; letter-spacing: 1px;
}
.banner h1 .gold-text {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-subtitle {
  color: var(--text-light); font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 400; margin-bottom: 20px; max-width: 600px;
}
.banner-hook {
  background: #fff; border-left: 4px solid var(--gold); border-radius: 0 8px 8px 0;
  padding: 14px 20px; margin-bottom: 24px; max-width: 580px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.banner-hook p { color: var(--primary); font-size: 0.92rem; font-weight: 600; line-height: 1.6; }
.banner-hook p span { color: var(--gold-dark); }
.banner-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 800px; margin-bottom: 28px; }
.banner-stat { text-align: left; }
.banner-stat .num {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 800; color: var(--primary);
  line-height: 1; margin-bottom: 4px;
}
.banner-stat .num small { font-size: 0.6em; color: var(--gold-dark); }
.banner-stat .label { color: var(--text-light); font-size: 0.78rem; }
.banner-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff; padding: 12px 28px; border-radius: 8px; font-size: 0.92rem; font-weight: 600;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; cursor: pointer; border: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,160,74,0.4); }
.btn-outline {
  background: #fff; border: 1px solid var(--border); color: var(--primary);
  padding: 12px 28px; border-radius: 8px; font-size: 0.92rem; font-weight: 600;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-dark); box-shadow: 0 4px 12px rgba(0,0,0,0.06); }

/* ========== Page Hero (sub pages - light) ========== */
.page-hero {
  background: linear-gradient(160deg, var(--bg-alt) 0%, #e6f5f0 50%, var(--gold-soft) 100%);
  padding: 48px 0 40px; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(200,160,74,0.08) 0%, transparent 60%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .tag {
  display: inline-block; color: var(--gold-dark); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 2px; margin-bottom: 10px;
}
.page-hero h1 {
  color: var(--primary-dark); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 8px;
}
.page-hero h1 .gold-text {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero p { color: var(--text-light); font-size: 0.95rem; }

/* ========== Section Base ========== */
.section { padding: 64px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block; color: var(--gold-dark); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; color: var(--primary-dark);
  margin-bottom: 12px; line-height: 1.3;
}
.section-title .gold-text {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { color: var(--text-light); font-size: 0.95rem; max-width: 600px; margin: 0 auto; }

/* ========== About ========== */
.about { background: var(--bg-alt); }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.about-card {
  background: #fff; border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow); transition: var(--transition); border-top: 3px solid transparent;
}
.about-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-top-color: var(--gold); }
.about-card .icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--gold-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.about-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 12px; }
.about-card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.8; }
.about-card ul { margin-top: 12px; }
.about-card ul li { color: var(--text-light); font-size: 0.88rem; padding: 4px 0; padding-left: 20px; position: relative; }
.about-card ul li::before { content: '\2713'; color: var(--gold); position: absolute; left: 0; font-weight: 700; }

/* ========== Products ========== */
.products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border);
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.product-header {
  padding: 24px 28px; background: var(--bg-alt);
  border-bottom: 2px solid var(--gold);
  display: flex; align-items: center; gap: 16px;
}
.product-header.gold {
  background: var(--gold-soft);
  border-bottom-color: var(--gold-dark);
}
.product-header .icon { font-size: 1.8rem; }
.product-header h3 { color: var(--primary-dark); font-size: 1.15rem; font-weight: 700; }
.product-header h3 small { display: block; font-size: 0.72rem; opacity: 0.6; font-weight: 400; margin-top: 2px; }
.product-body { padding: 24px 28px; flex: 1; display: flex; flex-direction: column; }
.product-item { padding: 12px 0; border-bottom: 1px solid var(--border); }
.product-item:last-of-type { border-bottom: none; }
.product-item h4 { font-size: 0.95rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 4px; }
.product-item p { color: var(--text-light); font-size: 0.85rem; line-height: 1.6; }
.product-highlight {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--gold-soft); color: var(--gold-dark);
  padding: 6px 14px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; margin-top: 8px;
}
.product-inquiry {
  margin-top: auto; padding-top: 16px;
}
.product-inquiry .btn-primary { width: 100%; justify-content: center; }

/* ========== Advantages (light) ========== */
.advantages { background: var(--bg-alt); position: relative; overflow: hidden; }
.advantages::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(200,160,74,0.06) 0%, transparent 50%);
}
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; z-index: 2; }
.adv-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px; transition: var(--transition); text-align: center;
}
.adv-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--gold); }
.adv-card .icon {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%;
  background: var(--gold-soft);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.adv-card h3 { color: var(--primary-dark); font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.adv-card p { color: var(--text-light); font-size: 0.82rem; line-height: 1.7; }

/* ========== Partners ========== */
.partners-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 48px; }
.partner-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 20px; text-align: center; transition: var(--transition);
}
.partner-card:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.partner-card .name { font-size: 0.88rem; font-weight: 600; color: var(--primary-dark); }
.partner-card .tag { font-size: 0.75rem; color: var(--text-light); margin-top: 4px; }
.market-section { background: var(--bg-alt); border-radius: var(--radius); padding: 40px; text-align: center; }
.market-section h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 24px; }
.market-flags { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.market-flag {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border); border-radius: 20px;
  padding: 8px 18px; font-size: 0.88rem; color: var(--text); transition: var(--transition);
}
.market-flag:hover { border-color: var(--gold); color: var(--gold-dark); }
.market-flag .flag { font-size: 1.2rem; }

/* ========== Vision ========== */
.vision { background: linear-gradient(160deg, var(--bg-alt), #fff); }
.vision-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.vision-card {
  text-align: center; padding: 32px 24px; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow); transition: var(--transition);
  position: relative; overflow: hidden;
}
.vision-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
}
.vision-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.vision-card .num { font-size: 2.2rem; font-weight: 800; color: var(--bg-alt); line-height: 1; margin-bottom: 8px; }
.vision-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.vision-card p { color: var(--text-light); font-size: 0.85rem; line-height: 1.7; }

/* ========== Sourcing (招商) ========== */
.sourcing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.sourcing-card {
  background: #fff; border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow); transition: var(--transition);
  border-left: 4px solid var(--gold);
}
.sourcing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.sourcing-card .icon { font-size: 1.8rem; margin-bottom: 16px; }
.sourcing-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.sourcing-card p { color: var(--text-light); font-size: 0.88rem; line-height: 1.8; }
.sourcing-banner {
  background: linear-gradient(135deg, var(--gold-soft), #fff);
  border: 1px solid rgba(200,160,74,0.2);
  border-radius: var(--radius); padding: 40px; text-align: center; margin-top: 16px;
}
.sourcing-banner h3 { color: var(--primary-dark); font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.sourcing-banner p { color: var(--text-light); font-size: 0.92rem; margin-bottom: 24px; }

/* ========== Contact (light) ========== */
.contact { background: var(--bg-alt); padding: 64px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info h3 { color: var(--primary-dark); font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; }
.contact-item { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.contact-item .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--gold-soft); border: 1px solid rgba(200,160,74,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.contact-item .label { color: var(--text-light); font-size: 0.8rem; margin-bottom: 2px; }
.contact-item .value { color: var(--primary-dark); font-size: 1rem; font-weight: 600; }
.contact-intro { color: var(--text-light); font-size: 0.9rem; margin-bottom: 24px; }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.qr-card {
  background: #fff; border-radius: var(--radius); padding: 24px 16px; text-align: center;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border);
}
.qr-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.qr-img { width: 160px; height: 160px; margin: 0 auto 16px; border-radius: 12px; overflow: hidden; }
.qr-img img { width: 100%; height: 100%; object-fit: cover; }
.qr-name { color: var(--primary-dark); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.qr-phone { color: var(--gold-dark); font-size: 0.95rem; font-weight: 600; }

/* ========== Lead Form ========== */
.lead-form {
  background: #fff; border-radius: var(--radius); padding: 36px;
  box-shadow: var(--shadow); border-top: 3px solid var(--gold);
}
.lead-form h3 { color: var(--primary-dark); font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.lead-form .form-desc { color: var(--text-light); font-size: 0.85rem; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 6px; }
.form-group label .required { color: #e74c3c; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--text); font-family: inherit; transition: var(--transition);
  background: var(--bg-alt);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold); background: #fff; box-shadow: 0 0 0 3px rgba(200,160,74,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff; border: none; padding: 14px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  margin-top: 8px;
}
.form-submit:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(200,160,74,0.4); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-success {
  display: none; background: #e8f5e9; border: 1px solid #4caf50; border-radius: var(--radius-sm);
  padding: 16px 20px; text-align: center; margin-top: 16px;
}
.form-success.show { display: block; }
.form-success .icon { font-size: 1.5rem; margin-bottom: 8px; }
.form-success p { color: #2e7d32; font-size: 0.9rem; font-weight: 600; }
.form-success .sub { color: var(--text-light); font-size: 0.82rem; margin-top: 4px; font-weight: 400; }
.form-error {
  display: none; background: #fbe9e7; border: 1px solid #e74c3c; border-radius: var(--radius-sm);
  padding: 12px 16px; margin-top: 16px; color: #c62828; font-size: 0.85rem;
}
.form-error.show { display: block; }

/* ========== CTA Section (gold gradient) ========== */
.cta-section {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  padding: 48px 0; text-align: center;
}
.cta-section h2 { color: #fff; font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.8); font-size: 0.95rem; margin-bottom: 28px; }
.cta-section .btn-cta {
  background: #fff; color: var(--gold-dark); padding: 12px 32px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 700; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.cta-section .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

/* ========== Home Overview Cards ========== */
.overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.overview-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border);
}
.overview-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--gold); }
.overview-card-top {
  padding: 24px; background: var(--bg-alt);
  border-bottom: 2px solid var(--gold);
  display: flex; align-items: center; gap: 12px;
}
.overview-card-top.gold { background: var(--gold-soft); border-bottom-color: var(--gold-dark); }
.overview-card-top .icon { font-size: 1.6rem; }
.overview-card-top h3 { color: var(--primary-dark); font-size: 1.1rem; font-weight: 700; }
.overview-card-body { padding: 24px; }
.overview-card-body p { color: var(--text-light); font-size: 0.88rem; line-height: 1.7; margin-bottom: 16px; }
.overview-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--gold-dark); font-size: 0.88rem; font-weight: 600; transition: var(--transition);
}
.overview-link:hover { gap: 10px; }

/* ========== Footer ========== */
.footer { background: var(--primary-dark); border-top: 1px solid rgba(255,255,255,0.1); padding: 48px 0 24px; }
.footer-content { display: grid; grid-template-columns: 2.5fr 1fr 1fr 1fr; gap: 10px; margin-bottom: 32px; }
.footer-brand h4 { color: #fff; font-size: 1.1rem; margin-bottom: 12px; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.85rem; line-height: 1.8; }
.footer-col h5 { color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 600; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 0.85rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
  text-align: center; color: rgba(255,255,255,0.4); font-size: 0.8rem;
}
.footer-aff { text-align: center; margin-top: 12px; color: rgba(255,255,255,0.3); font-size: 0.78rem; }
.footer-aff a { color: rgba(200,160,74,0.5); text-decoration: none; border-bottom: 1px solid rgba(200,160,74,0.3); }

/* Desktop: hide close button + backdrop */
.nav-close-btn { display: none; }
.nav-backdrop { display: none; }

/* ========== Responsive ========== */
@media (max-width: 968px) {
  .nav { display: none; }
  .hamburger { display: block; }
  /* Floating panel — content-adaptive (xier-ff.com style) */
  .nav.mobile-open {
    display: flex; position: fixed; top: 64px; bottom: auto; left: auto; right: 8px;
    width: max-content; max-width: 240px; height: fit-content; max-height: calc(100vh - 80px);
    background: rgba(15,90,78,0.98); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    flex-direction: column; padding: 48px 20px 16px; gap: 0;
    border-radius: 16px; box-shadow: -4px 0 20px rgba(0,0,0,.12);
    overflow-y: auto; z-index: 1001;
  }
  .nav.mobile-open a {
    padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 15px;
  }
  /* Backdrop */
  .nav-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1000; transition: opacity .3s; }
  .nav-backdrop.show { display: block; }
  /* Close button */
  .nav-close-btn {
    position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; min-height: 32px;
    border: none; background: var(--accent, #C8A04A); font-size: 22px; color: #fff; cursor: pointer;
    line-height: 1; display: flex; align-items: center; justify-content: center;
    border-radius: 10px; transition: all .3s ease; box-shadow: 0 2px 8px rgba(0,0,0,.15);
  }
  .nav-close-btn:hover { transform: rotate(90deg); }
  .lang-switcher { font-size: 0.72rem; gap: 2px; }
  .lang-switcher a { padding: 2px 4px; }
  .banner-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-grid { grid-template-columns: 1fr; }
  .sourcing-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .banner { min-height: auto; padding: 32px 0; }
  .banner-stats { grid-template-columns: 1fr 1fr; }
  .banner-cta { flex-direction: column; }
  .banner-cta .btn-primary, .banner-cta .btn-outline { width: 100%; justify-content: center; }
  .adv-grid { grid-template-columns: 1fr; }
  .vision-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
  .sourcing-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .market-section { padding: 24px; }
  .lead-form { padding: 24px; }
  .product-header, .product-body { padding: 20px; }
  .about-card { padding: 24px; }
}

/* ========== Animations ========== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }