/* Layout from the user-owned Jike Bio archive; theme overrides are separate. */
:root { --brand-900: #0a2618; --brand-800: #0f3a2e; --brand-700: #1b4332; --brand-600: #2d6a4f; --brand-500: #40916c; --brand-400: #52b788; --brand-300: #74c69d; --brand-200: #b7e4c7; --brand-100: #d8f3dc; --brand-50: #f0f9f4; --copper-700: #9a3412; --copper-600: #c2410c; --copper-500: #ea580c; --copper-400: #f97316; --copper-100: #ffedd5; --ink-900: #0f1419; --ink-700: #2b3038; --ink-600: #4a5260; --ink-500: #6b7280; --ink-400: #9ca3af; --ink-300: #d1d5db; --ink-200: #e5e7eb; --ink-100: #f3f4f6; --ink-50: #f9fafb; --bg: #ffffff; --bg-warm: #fafaf6; --bg-cream: #f5f1e8; --bg-stone: #f0ede5; --bg-dark: #0f3a2e; --shadow-sm: 0 1px 2px rgba(15, 20, 25, 0.04); --shadow: 0 2px 8px rgba(15, 20, 25, 0.06), 0 1px 2px rgba(15, 20, 25, 0.04); --shadow-lg: 0 12px 32px rgba(15, 20, 25, 0.08), 0 2px 4px rgba(15, 20, 25, 0.04); --shadow-xl: 0 24px 48px rgba(15, 20, 25, 0.12), 0 4px 8px rgba(15, 20, 25, 0.06); --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif; --font-display: 'Manrope', 'Inter', -apple-system, sans-serif; --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace; --radius-sm: 4px; --radius: 6px; --radius-lg: 10px; --radius-xl: 16px; --radius-full: 999px; --max-width: 1240px; --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1); }
 * { margin: 0; padding: 0; box-sizing: border-box; }
 html { scroll-behavior: smooth; font-feature-settings: "cv11", "ss01", "ss03"; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
 body { font-family: var(--font-sans); background: var(--bg); color: var(--ink-900); line-height: 1.6; font-size: 16px; letter-spacing: -0.005em; }
 a { color: var(--brand-700); text-decoration: none; transition: color var(--transition); }
 a:hover { color: var(--brand-900); }
 img { max-width: 100%; height: auto; display: block; }
 ::selection { background: var(--brand-800); color: white; }
 .topbar { background: var(--brand-900); color: rgba(255, 255, 255, 0.85); padding: 0.5rem 1rem; font-size: 0.78rem; text-align: center; letter-spacing: 0.5px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
 .topbar strong { color: var(--brand-200); font-weight: 600; }
 .topbar a { color: var(--brand-200); margin-left: 0.5rem; }
 .navbar { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--ink-200); position: sticky; top: 0; z-index: 100; }
 .nav-container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; height: 76px; display: flex; align-items: center; justify-content: space-between; }
 .logo { display: flex; align-items: center; gap: 0.6rem; font-size: 1.25rem; font-weight: 800; color: var(--brand-900); letter-spacing: -0.5px; font-family: var(--font-display); }
 .logo-img { width: 38px; height: 38px; object-fit: contain; display: block; }
 .logo-sub { font-size: 0.7rem; color: var(--ink-500); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; margin-left: 0.4rem; }
 .nav-links { display: flex; gap: 0; align-items: center; list-style: none; height: 76px; }
 .nav-links li { height: 100%; display: flex; align-items: center; }
 .nav-links a { display: flex; align-items: center; height: 100%; padding: 0 1.1rem; color: var(--ink-700); font-weight: 500; font-size: 0.92rem; position: relative; transition: color var(--transition); }
 .nav-links a:hover { color: var(--brand-700); }
 .nav-links a::after { content: ''; position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%) scaleX(0); width: 24px; height: 2px; background: var(--brand-600); transition: transform var(--transition); }
 .nav-links a:hover::after { transform: translateX(-50%) scaleX(1); }
 .lang-switch { background: var(--brand-800) !important; color: white !important; border-radius: var(--radius-full) !important; padding: 0.4rem 0.9rem !important; margin: 0 0.5rem; font-size: 0.82rem !important; font-weight: 600 !important; }
 .lang-switch:hover { background: var(--brand-700) !important; }
 .lang-switch::after { display: none !important; }
 .admin-link { font-size: 0.95rem; opacity: 0.25; transition: all 0.2s; padding: 0 0.8rem !important; }
 .admin-link:hover { opacity: 1; transform: rotate(90deg); }
 .admin-link::after { display: none !important; }
 .hero { position: relative; background: var(--bg-warm); overflow: hidden; border-bottom: 1px solid var(--ink-200); }
 .hero.hero-with-bg { background-size: cover; background-position: center; background-repeat: no-repeat; color: white; min-height: 600px; }
 .hero.hero-with-bg::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 58, 46, 0.85) 0%, rgba(45, 106, 79, 0.75) 100%); z-index: 0; }
 .hero.hero-with-bg .hero-content { color: white; position: relative; z-index: 1; }
 .hero.hero-with-bg .hero-eyebrow { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); color: white; }
 .hero.hero-with-bg h1 { color: white; text-shadow: 0 2px 16px rgba(0,0,0,0.4); }
 .hero.hero-with-bg .hero-lede { color: rgba(255,255,255,0.95); text-shadow: 0 1px 8px rgba(0,0,0,0.3); }
 .hero.hero-with-bg .hero-stat-value { color: white; }
 .hero.hero-with-bg .hero-stat-label { color: rgba(255,255,255,0.85); }
 .hero-grid { max-width: var(--max-width); margin: 0 auto; padding: 5rem 1.5rem 4.5rem; display: grid; grid-template-columns: 1.15fr 1fr; gap: 4rem; align-items: center; }
 .hero-content h1 { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.05; letter-spacing: -2px; color: var(--brand-900); margin-bottom: 1.5rem; }
 .hero-content h1 em { font-style: normal; color: var(--copper-600); font-weight: 700; }
 .hero-content h1 .seo-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
 .hero-eyebrow { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.85rem; background: white; border: 1px solid var(--ink-200); border-radius: var(--radius-full); font-size: 0.75rem; color: var(--brand-700); font-weight: 600; letter-spacing: 0.5px; margin-bottom: 1.2rem; text-transform: uppercase; }
 .hero-eyebrow::before { content: ''; width: 6px; height: 6px; background: var(--brand-500); border-radius: 50%; animation: pulse 2s infinite; }
 @keyframes pulse { 0%, 100% { opacity: 1; }
 50% { opacity: 0.4; }
 }
 .hero-lede { font-size: 1.15rem; color: var(--ink-600); margin-bottom: 2rem; line-height: 1.6; max-width: 540px; }
 .hero-stats { display: flex; gap: 2rem; margin-bottom: 2rem; padding: 1rem 0; border-top: 1px solid var(--ink-200); border-bottom: 1px solid var(--ink-200); }
 .hero-stat-value { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--brand-800); line-height: 1; letter-spacing: -0.5px; }
 .hero-stat-label { font-size: 0.75rem; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 0.3rem; }
 .cta-group { display: flex; gap: 0.8rem; flex-wrap: wrap; }
 .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.6rem; border-radius: var(--radius); font-weight: 600; font-size: 0.92rem; cursor: pointer; transition: all 0.2s ease; border: 1px solid transparent; font-family: var(--font-sans); letter-spacing: 0.2px; white-space: nowrap; }
 .btn-primary { background: var(--brand-800); color: white; box-shadow: 0 1px 2px rgba(15, 58, 46, 0.2); }
 .btn-primary:hover { background: var(--brand-900); transform: translateY(-1px); box-shadow: var(--shadow); color: white; }
 .btn-accent { background: var(--copper-600); color: white; box-shadow: 0 1px 2px rgba(194, 65, 12, 0.2); }
 .btn-accent:hover { background: var(--copper-700); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(194, 65, 12, 0.3); color: white; }
 .btn-outline { background: transparent; color: var(--brand-800); border-color: var(--brand-800); }
 .btn-outline:hover { background: var(--brand-800); color: white; }
 .btn-arrow { display: inline-block; transition: transform 0.2s; }
 .btn:hover .btn-arrow { transform: translateX(3px); }
 .hero-visual { position: relative; background: linear-gradient(135deg, var(--brand-800), var(--brand-900)); border-radius: var(--radius-xl); padding: 2rem; color: white; box-shadow: var(--shadow-xl); overflow: hidden; }
 .hero-visual::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 30%, rgba(82, 183, 136, 0.3) 0%, transparent 60%), radial-gradient(circle at 70% 70%, rgba(234, 88, 12, 0.2) 0%, transparent 60%); }
 .hero-visual-content { position: relative; z-index: 1; }
 .hero-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.7rem; background: rgba(255, 255, 255, 0.15); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: var(--radius-full); font-size: 0.7rem; margin-bottom: 1rem; backdrop-filter: blur(8px); }
 .hero-product-img { width: 100%; max-width: 280px; margin: 0 auto 1.5rem; filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.3)); }
 .hero-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.15); }
 .hero-metric-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; line-height: 1; margin-bottom: 0.25rem; }
 .hero-metric-label { font-size: 0.78rem; opacity: 0.85; }