*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --wm-green: #2d6a3e;
  --wm-green-dark: #1a4a2a;
  --wm-green-light: #4a9c5e;
  --wm-red: #e63946;
  --wm-red-dark: #c1272d;
  --wm-yellow: #f4a261;
  --wm-cream: #fdf8f0;
  --wm-dark: #1a1a1a;
  --text: #2d2d2d;
  --text-light: #666;
  --text-muted: #999;
  --font: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body { font-family: var(--font); color: var(--text); background: var(--wm-cream); overflow-x: hidden; -webkit-font-smoothing: antialiased; }

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

/* ===== NAV ===== */
.floating-nav {
  position: fixed; top: 50%; right: 24px; transform: translateY(-50%); z-index: 100;
  display: flex; flex-direction: column; gap: 6px; opacity: 0; transition: opacity 0.4s;
}
.floating-nav.visible { opacity: 1; }
.nav-link {
  display: block; padding: 8px 14px; font-size: 0.72rem; color: var(--text-light);
  text-decoration: none; border-right: 2px solid transparent; transition: all 0.3s;
  text-align: right; white-space: nowrap;
}
.nav-link:hover { color: var(--wm-green); }
.nav-link.active { color: var(--wm-green); border-right-color: var(--wm-red); font-weight: 500; }

/* ===== HERO ===== */
.hero { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(26,74,42,0.3) 0%, rgba(26,74,42,0.5) 50%, rgba(26,74,42,0.8) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; text-align: center; color: #fff; padding: 0 24px; }
.hero-sub { font-size: 0.8rem; letter-spacing: 0.4em; color: rgba(255,255,255,0.7); margin-bottom: 24px; text-transform: uppercase; }
.hero-title { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; margin-bottom: 20px; text-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.hero-desc { font-size: clamp(0.9rem, 1.8vw, 1.15rem); color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 36px; line-height: 1.8; }
.hero-cta {
  display: inline-flex; align-items: center; gap: 8px; color: #fff; text-decoration: none;
  font-size: 0.95rem; letter-spacing: 0.1em; border: 1px solid rgba(255,255,255,0.3);
  padding: 12px 32px; border-radius: 40px; transition: all 0.3s; backdrop-filter: blur(8px); background: rgba(255,255,255,0.1);
}
.hero-cta:hover { background: rgba(255,255,255,0.2); border-color: #fff; transform: translateY(-2px); }

/* ===== SECTIONS ===== */
.section { padding: 100px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.35em; color: var(--wm-red); text-transform: uppercase; margin-bottom: 16px; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--wm-green-dark); margin-bottom: 20px; }
.section-lead { font-size: 1.05rem; line-height: 1.9; color: var(--text); max-width: 680px; margin-bottom: 40px; }

/* ===== INTRO ===== */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 40px; }
.intro-text .lead { font-size: 1.1rem; line-height: 1.9; margin-bottom: 16px; }
.intro-text p { font-size: 0.95rem; line-height: 1.9; color: var(--text-light); margin-bottom: 24px; }
.intro-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
.intro-image img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.6s; }
.intro-image:hover img { transform: scale(1.03); }
.stats-row { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 2rem; font-weight: 700; color: var(--wm-red); }
.stat-num small { font-size: 0.7rem; font-weight: 400; color: var(--text-light); }
.stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

/* ===== VARIETIES ===== */
.varieties { background: #f5f0e8; }
.variety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 24px; }
.variety-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 30px rgba(0,0,0,0.08); transition: transform 0.3s, box-shadow 0.3s; }
.variety-card:hover { transform: translateY(-6px); box-shadow: 0 16px 50px rgba(0,0,0,0.12); }
.variety-img { height: 200px; overflow: hidden; }
.variety-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.variety-card:hover .variety-img img { transform: scale(1.05); }
.variety-info { padding: 20px; }
.variety-info h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--wm-green-dark); }
.variety-badge { display: inline-block; font-size: 0.7rem; padding: 3px 10px; border-radius: 12px; background: rgba(230,57,70,0.1); color: var(--wm-red); margin-bottom: 10px; }
.variety-info p { font-size: 0.82rem; line-height: 1.7; color: var(--text-light); }

/* ===== COMPARE ===== */
.compare-table { margin-top: 24px; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.compare-header { display: grid; grid-template-columns: 1fr 1fr 1.5fr 1fr 0.8fr 1.2fr; background: var(--wm-green-dark); color: #fff; }
.compare-row { display: grid; grid-template-columns: 1fr 1fr 1.5fr 1fr 0.8fr 1.2fr; background: #fff; border-bottom: 1px solid #eee; }
.compare-row:nth-child(even) { background: #f9f9f9; }
.compare-row:last-child { border-bottom: none; }
.compare-cell { padding: 14px 16px; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.compare-header .compare-cell { font-weight: 600; font-size: 0.82rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot.red { background: var(--wm-red); }
.dot.yellow { background: var(--wm-yellow); }
.bar { width: var(--w); height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--wm-green-light), var(--wm-green)); display: inline-block; }

/* ===== ORIGIN ===== */
.origin { background: #f5f0e8; }
.origin-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-top: 32px; }
.origin-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
.origin-image img { width: 100%; height: 400px; object-fit: cover; transition: transform 0.6s; }
.origin-image:hover img { transform: scale(1.03); }
.origin-text { display: flex; flex-direction: column; gap: 24px; }
.origin-item { border-left: 3px solid var(--wm-green); padding-left: 16px; }
.origin-item h3 { font-size: 1.1rem; color: var(--wm-green-dark); margin-bottom: 6px; }
.origin-item p { font-size: 0.9rem; line-height: 1.8; color: var(--text-light); }

/* ===== TIPS ===== */
.tips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 24px; }
.tip-card { background: #fff; border: 1px solid #eee; border-radius: 12px; padding: 28px 24px; text-align: center; transition: all 0.3s; }
.tip-card:hover { border-color: var(--wm-green-light); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.tip-icon { width: 56px; height: 56px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; background: rgba(45,106,62,0.08); border-radius: 50%; color: var(--wm-green); }
.tip-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--wm-green-dark); }
.tip-card p { font-size: 0.82rem; line-height: 1.7; color: var(--text-light); }

/* ===== FOOTER ===== */
.site-footer { background: var(--wm-green-dark); color: rgba(255,255,255,0.5); padding: 40px 24px; text-align: center; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 12px; }
.footer-brand svg { stroke: var(--wm-green-light); }
.footer-brand span { font-size: 1rem; color: rgba(255,255,255,0.7); }
.footer-copy { font-size: 0.78rem; letter-spacing: 0.1em; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .intro-grid, .origin-layout { grid-template-columns: 1fr; gap: 32px; }
  .variety-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: repeat(2, 1fr); }
  .floating-nav { display: none; }
  .section { padding: 70px 20px; }
  .stats-row { gap: 24px; }
  .compare-header, .compare-row { grid-template-columns: 1fr 1fr 1fr; }
  .compare-cell:nth-child(n+4) { display: none; }
}
@media (max-width: 600px) {
  .hero-title { font-size: 2.2rem; }
  .variety-grid, .tips-grid { grid-template-columns: 1fr; }
  .stats-row { flex-direction: column; gap: 16px; }
  .compare-header, .compare-row { grid-template-columns: 1fr 1fr; }
}