:root{--primary:#125dff;--dark:#0f172a;--text:#334155;--muted:#f1f5f9;--bg:#ffffff;--radius:14px;--shadow:0 10px 30px rgba(2,6,23,.08)}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);scroll-behavior:smooth}a{text-decoration:none;color:inherit}.container{width:min(1120px,92%);margin:0 auto}.section{padding:72px 0}.muted{background:var(--muted)}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e2e8f0}.nav-wrap{display:flex;align-items:center;gap:16px;min-height:68px}.brand{font-weight:700;color:var(--dark)}.nav{display:flex;gap:20px;margin-left:auto}.nav a{font-size:14px;color:#334155}.menu-btn{display:none;border:0;background:transparent;font-size:24px}.cta-mini{padding:10px 14px;background:var(--primary);color:#fff;border-radius:10px;font-size:14px}.hero{padding-top:92px}.hero-grid,.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.tag{display:inline-block;background:#e0eaff;color:#1741b5;padding:6px 12px;border-radius:999px;font-size:13px}.hero h1{font-size:44px;line-height:1.2;color:var(--dark);margin:14px 0}.desc{font-size:17px;line-height:1.8}.hero-actions{display:flex;gap:12px;margin:20px 0}.btn{display:inline-block;padding:12px 18px;border-radius:10px;font-weight:600;border:1px solid transparent}.btn.primary{background:var(--primary);color:#fff}.btn.ghost{background:#fff;border-color:#cbd5e1;color:#1e293b}.hero-points{padding:0;list-style:none;display:grid;gap:8px}.img.ph{min-height:220px;border:1px dashed #94a3b8;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#64748b;background:#f8fafc}.hero-media{position:relative}.floating-card{position:absolute;right:-10px;bottom:-14px;background:#fff;border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stats-grid div{background:#fff;padding:22px;border-radius:12px;box-shadow:var(--shadow);text-align:center}.stats-grid h3{margin:0;color:var(--primary);font-size:30px}.list{padding-left:18px;line-height:1.9}.sub{opacity:.8}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:14px}.card h3{margin:12px 0 8px;color:var(--dark)}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}.table th,.table td{padding:12px;border-bottom:1px solid #e2e8f0;text-align:left}.teacher-grid,.review-grid,.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.teacher,.price-card{background:#fff;border-radius:12px;padding:16px;border:1px solid #e2e8f0}.steps{line-height:1.9;padding-left:18px}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.gallery.two{grid-template-columns:repeat(2,1fr)}blockquote{margin:0;background:#fff;border-left:4px solid var(--primary);padding:18px;border-radius:8px;line-height:1.8}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.timeline div{background:#fff;padding:16px;border-radius:12px;border:1px solid #e2e8f0;text-align:center}.timeline span{display:inline-flex;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;background:#e0eaff;color:#123ea8;font-weight:700}.price-card.hot{border:2px solid var(--primary)}.price{font-size:34px;color:var(--primary);margin:8px 0}.faq-list details{background:#fff;border:1px solid #e2e8f0;padding:14px 16px;border-radius:10px;margin-bottom:10px}.consult-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}.lead-form{background:#fff;padding:18px;border-radius:12px;box-shadow:var(--shadow);display:grid;gap:12px}.lead-form input,.lead-form select{padding:12px;border:1px solid #cbd5e1;border-radius:8px}.form-note{font-size:12px;color:#64748b}.foot-grid{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.back-top{padding:10px 14px;border:1px solid #cbd5e1;border-radius:8px}
@media (max-width:980px){.nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;padding:12px 4%;border-bottom:1px solid #e2e8f0;flex-direction:column}.nav.show{display:flex}.menu-btn{display:block;margin-left:auto}.cta-mini{display:none}.hero-grid,.two-col,.consult-wrap{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.teacher-grid,.review-grid,.price-grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:34px}}
@media (max-width:560px){.section{padding:56px 0}.card-grid,.gallery,.timeline,.stats-grid{grid-template-columns:1fr}.hero h1{font-size:28px}.desc{font-size:15px}}