:root{--color-primary: #1A5F7A;--color-primary-dark: #134B62;--color-primary-light: #2E86AB;--color-accent: #D4A853;--color-bg: #FAFBFC;--color-bg-alt: #F0F4F7;--color-text: #1B2834;--color-text-light: #5A6B7A;--color-white: #FFFFFF;--color-border: #DDE3E8;--color-success: #2D8B4E;--color-tag-bg: #E8F0F6;--color-review-star: #D4A853;--font-heading: "Noto Serif SC", "SimSun", "STSong", serif;--font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", "Cascadia Code", "Consolas", monospace;--max-width: 1200px;--radius: 8px;--shadow-sm: 0 1px 3px rgba(27, 40, 52, .06);--shadow-md: 0 4px 16px rgba(27, 40, 52, .1);--shadow-lg: 0 8px 32px rgba(27, 40, 52, 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.stat-num{font-family:var(--font-heading);font-size:2.2rem;font-weight:700;color:var(--color-primary)}.hero .stat-label{font-size:.85rem;color:var(--color-text-light)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.card{background:var(--color-white);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-sm);border:1px solid var(--color-border);transition:box-shadow .25s,transform .25s}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card .icon{font-size:2.2rem;margin-bottom:.8rem}.card h3{margin-bottom:.5rem}.card .meta{font-size:.8rem;color:var(--color-text-light)}.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.8rem}.case-card{background:var(--color-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--color-border);transition:box-shadow .3s}.case-card:hover{box-shadow:var(--shadow-lg)}.case-card 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p{color:var(--color-text-light);max-width:600px;margin:.5rem auto 0}@media(max-width:1050px){.logo span{display:none}}@media(max-width:900px){.primary-nav{display:none}.primary-nav.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;padding:1rem 1.5rem;border-bottom:1px solid var(--color-border);gap:.8rem}.menu-toggle{display:block}.hero h1{font-size:2rem}.hero .stats{gap:1.5rem}.footer-grid{grid-template-columns:1fr 1fr}.case-grid{grid-template-columns:1fr}.team-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}}@media(max-width:500px){.hero h1{font-size:1.6rem}.header-cta{display:none}.footer-grid,.team-grid{grid-template-columns:1fr}.cta-form{flex-direction:column}}