/* ===== Design Tokens ===== */
:root {
  --navy: #1a2d5a;
  --navy-dark: #122240;
  --navy-light: #2a4068;
  --emerald: #10b981;
  --emerald-h: #059669;
  --emerald-soft: rgba(16,185,129,0.08);
  --gold: #C9A96E;
  --bg: #F6F9FB;
  --white: #FFFFFF;
  --text-dark: #1a2d5a;
  --text-body: #2D3E50;
  --text-mid: #5A7088;
  --text-light: #8EA2B8;
  --border: #E3ECF0;
  --emerald-glow: rgba(16,185,129,0.15);
  --emerald-glow-strong: rgba(16,185,129,0.3);
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
}
@keyframes meshShift { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(30px, -20px) scale(1.05); } 66% { transform: translate(-20px, 25px) scale(0.95); } }
@keyframes orbFloat { 0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; } 50% { transform: translateY(-30px) translateX(15px); opacity: 0.7; } }
@keyframes orbFloat2 { 0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; } 50% { transform: translateY(20px) translateX(-20px); opacity: 0.6; } }
.mesh-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.mesh-blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; }
.mesh-blob.b1 { width: 500px; height: 500px; top: -100px; left: -100px; background: radial-gradient(circle, rgba(16,185,129,0.25), transparent 70%); animation: meshShift 18s ease-in-out infinite; }
.mesh-blob.b2 { width: 400px; height: 400px; top: 30%; right: -80px; background: radial-gradient(circle, rgba(42,64,104,0.6), transparent 70%); animation: meshShift 22s ease-in-out infinite reverse; }
.mesh-blob.b3 { width: 350px; height: 350px; bottom: -50px; left: 30%; background: radial-gradient(circle, rgba(16,185,129,0.15), transparent 70%); animation: meshShift 15s ease-in-out infinite; }
.floating-orb { position: absolute; border-radius: 50%; pointer-events: none; z-index: 1; }
.floating-orb.o1 { width: 8px; height: 8px; top: 20%; left: 15%; background: rgba(16,185,129,0.6); box-shadow: 0 0 20px rgba(16,185,129,0.4); animation: orbFloat 6s ease-in-out infinite; }
.floating-orb.o2 { width: 6px; height: 6px; top: 60%; left: 80%; background: rgba(52,211,153,0.5); box-shadow: 0 0 15px rgba(52,211,153,0.3); animation: orbFloat2 8s ease-in-out infinite; }
.floating-orb.o3 { width: 10px; height: 10px; top: 35%; right: 20%; background: rgba(16,185,129,0.4); box-shadow: 0 0 25px rgba(16,185,129,0.3); animation: orbFloat 7s ease-in-out infinite 1s; }
.floating-orb.o4 { width: 5px; height: 5px; bottom: 25%; left: 25%; background: rgba(255,255,255,0.3); box-shadow: 0 0 10px rgba(255,255,255,0.2); animation: orbFloat2 5s ease-in-out infinite; }
.grid-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; z-index: 0; }
.glass { background: var(--glass-bg) !important; backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%); border: 1px solid var(--glass-border) !important; }
.glass-strong { background: rgba(18,34,64,0.7) !important; backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%); border-bottom: 1px solid rgba(255,255,255,0.06) !important; }
.glow-emerald { box-shadow: 0 0 24px rgba(16,185,129,0.2), 0 8px 30px rgba(16,185,129,0.08); transition: box-shadow 0.3s, transform 0.3s; }
.glow-emerald:hover { box-shadow: 0 0 40px rgba(16,185,129,0.35), 0 8px 40px rgba(16,185,129,0.15); transform: translateY(-2px); }
.gradient-text { background: linear-gradient(135deg, #ffffff 0%, #34d399 50%, #10b981 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.gradient-text-dark { background: linear-gradient(135deg, #1a2d5a 0%, #10b981 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.active { opacity: 1; transform: translateY(0); }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif; color: var(--text-body); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--emerald); margin-bottom: 16px; }
.section-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }
.section-title { font-size: 36px; font-weight: 800; color: var(--text-dark); letter-spacing: -0.02em; margin-bottom: 12px; line-height: 1.2; }
.section-sub { font-size: 16px; color: var(--text-mid); max-width: 560px; }
.topbar { background: var(--navy-dark); height: 32px; line-height: 32px; font-size: 12px; color: rgba(255,255,255,0.5); position: fixed; top: 0; left: 0; right: 0; z-index: 1001; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 32px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.topbar-left { color: rgba(255,255,255,0.45); }
.topbar-right { display: flex; gap: 18px; }
.topbar-right a { color: rgba(255,255,255,0.5); font-size: 12px; transition: color 0.2s; }
.topbar-right a:hover { color: var(--emerald); }
.nav { position: fixed; top: 32px; left: 0; right: 0; z-index: 1000; height: 56px; background: rgba(18,34,64,0.85); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%); box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 30px rgba(0,0,0,0.15); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.nav-logo { display: flex; align-items: center; gap: 8px; }
.nav-logo-icon { width: 34px; height: 34px; border-radius: 6px; background: var(--emerald); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 12px; }
.nav-logo-text { font-size: 17px; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.nav-logo-text span { color: var(--emerald); }
.nav-main { display: flex; align-items: center; gap: 0; }
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.7); padding: 17px 14px; transition: color 0.2s; }
.nav-item > a:hover { color: #fff; }
.nav-item > a svg { width: 10px; height: 10px; opacity: 0.5; transition: opacity 0.2s, transform 0.2s; }
.nav-item:hover > a svg { opacity: 1; transform: rotate(180deg); }
.nav-dropdown { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: var(--white); border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06); border: 1px solid var(--border); opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s, transform 0.2s; z-index: 998; padding: 28px; }
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; }
.nav-dropdown.mega { display: flex; gap: 36px; min-width: 680px; }
.mega-intro { min-width: 160px; max-width: 180px; }
.mega-intro-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.mega-intro-desc { font-size: 12px; color: var(--text-mid); line-height: 1.6; }
.mega-links { display: flex; gap: 28px; flex: 1; }
.mega-col { min-width: 140px; }
.mega-col-label { font-size: 11px; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.mega-col a { display: block; font-size: 14px; color: var(--text-body); padding: 5px 0; transition: color 0.15s; }
.mega-col a:hover { color: var(--emerald); }
.mega-cta { min-width: 180px; background: var(--bg); border-radius: 8px; padding: 20px 16px; display: flex; flex-direction: column; }
.mega-cta-title { font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.mega-cta-desc { font-size: 12px; color: var(--text-mid); line-height: 1.6; margin-bottom: 14px; }
.mega-cta-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--emerald); color: #fff; box-shadow: 0 0 12px rgba(16,185,129,0.2); transition: background 0.2s, box-shadow 0.2s; }
.mega-cta-btn:hover { background: var(--emerald-h); box-shadow: 0 0 20px rgba(16,185,129,0.3); }
.nav-dropdown.simple { padding: 10px 0; min-width: 200px; }
.nav-dropdown.simple a { display: block; padding: 9px 24px; font-size: 14px; color: var(--text-body); transition: background 0.15s, color 0.15s; }
.nav-dropdown.simple a:hover { background: var(--bg); color: var(--emerald); }
.nav-btn { display: inline-flex; align-items: center; gap: 4px; padding: 8px 18px; border-radius: 6px; font-size: 14px; font-weight: 600; transition: all 0.2s; }
.nav-btn-primary { background: var(--emerald); color: #fff !important; box-shadow: 0 0 16px rgba(16,185,129,0.25), 0 4px 12px rgba(16,185,129,0.1); }
.nav-btn-primary:hover { background: var(--emerald-h); box-shadow: 0 0 28px rgba(16,185,129,0.4), 0 4px 16px rgba(16,185,129,0.2); transform: translateY(-1px); }
.nav-btn-outline { border: 1px solid rgba(255,255,255,0.3); color: rgba(255,255,255,0.8) !important; }
.nav-btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); color: #fff !important; }
.nav-dropdown.home-links { left: 0; transform: none; padding: 10px 0; min-width: 190px; }
.nav-dropdown.home-links a { display: block; padding: 9px 24px; font-size: 14px; color: var(--text-body); transition: background 0.15s, color 0.15s; }
.nav-dropdown.home-links a:hover { background: var(--bg); color: var(--emerald); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 1px; }
.nav-mobile { display: none; position: fixed; top: 88px; left: 0; right: 0; bottom: 0; background: var(--navy); padding: 0; z-index: 999; flex-direction: column; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.nav-mobile.open { display: flex; }
.nav-mobile-item { border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-mobile-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; color: rgba(255,255,255,0.8); font-size: 15px; font-weight: 500; }
.nav-mobile-top svg { width: 12px; height: 12px; opacity: 0.4; transition: transform 0.2s; }
.nav-mobile-top.open svg { transform: rotate(180deg); opacity: 0.8; }
.nav-mobile-sub { display: none; background: rgba(0,0,0,0.15); padding: 4px 0 8px; }
.nav-mobile-sub.open { display: block; }
.nav-mobile-sub a, .nav-mobile-sub .mega-col-label { display: block; padding: 9px 36px; font-size: 13px; color: rgba(255,255,255,0.55); }
.nav-mobile-sub .mega-col-label { padding-top: 14px; font-size: 11px; color: rgba(255,255,255,0.3); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.nav-mobile-cta { padding: 20px 24px; display: flex; gap: 10px; }
.nav-mobile-cta a { flex: 1; text-align: center; padding: 12px; border-radius: 6px; font-size: 14px; font-weight: 600; }
.nav-mobile-btn1 { background: var(--emerald); color: #fff; }
.nav-mobile-btn2 { border: 1px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.8); }
.mobile-bottom-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1001; background: rgba(18,34,64,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid rgba(255,255,255,0.08); padding: 8px 16px calc(8px + env(safe-area-inset-bottom)); }
.mobile-bottom-inner { display: flex; gap: 10px; }
.mobile-bottom-bar a { flex: 1; text-align: center; padding: 12px; border-radius: 6px; font-size: 14px; font-weight: 600; }
.mobile-bottom-primary { background: var(--emerald); color: #fff; }
.mobile-bottom-secondary { border: 1px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.85); }
.hero { position: relative; background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%); padding: 130px 0 80px; text-align: center; overflow: hidden; }
.hero-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 4px; background: rgba(16,185,129,0.1); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(16,185,129,0.2); color: var(--emerald); font-size: 13px; font-weight: 500; margin-bottom: 28px; }
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }
.hero h1 { font-size: 48px; font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.02em; max-width: 720px; margin-left: auto; margin-right: auto; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg, #34d399 0%, #10b981 50%, #059669 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 520px; margin: 0 auto 36px; }
.hero-sub strong { color: rgba(255,255,255,0.85); font-weight: 600; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 32px; flex-wrap: wrap; justify-content: center; }
.hero-btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 6px; background: rgba(255,255,255,0.06); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.15); color: rgba(255,255,255,0.7); font-size: 14px; font-weight: 500; transition: all 0.2s; }
.hero-btn-secondary:hover { background: rgba(255,255,255,0.12); color: #fff; }
.overview-section { padding: 100px 0; background: var(--white); }
.overview-header { text-align: center; margin-bottom: 32px; }
.overview-header .section-sub { margin: 0 auto; }
.overview-content { max-width: 860px; margin: 0 auto; font-size: 16px; color: var(--text-body); line-height: 1.9; text-align: center; }
.query-section { padding: 100px 0; background: var(--bg); }
.query-header { text-align: center; margin-bottom: 56px; }
.query-header .section-sub { margin: 0 auto; }
.query-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.query-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 32px 20px; border-radius: 10px; background: var(--white); border: 1px solid var(--border); transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s; }
.query-card:hover { border-color: rgba(16,185,129,0.3); box-shadow: 0 0 24px rgba(16,185,129,0.08); transform: translateY(-3px); }
.query-card-icon { width: 52px; height: 52px; border-radius: 12px; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.query-card-icon.emoji { background: rgba(16,185,129,0.1); }
.query-card h3 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.query-card p { font-size: 13px; color: var(--text-mid); line-height: 1.6; }
.suitable-section { padding: 100px 0; background: var(--white); }
.suitable-header { text-align: center; margin-bottom: 56px; }
.suitable-header .section-sub { margin: 0 auto; }
.suitable-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.suitable-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 32px 20px; border-radius: 10px; background: var(--white); border: 1px solid var(--border); transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s; }
.suitable-card:hover { border-color: rgba(16,185,129,0.3); box-shadow: 0 0 24px rgba(16,185,129,0.08); transform: translateY(-3px); }
.suitable-card-icon { width: 52px; height: 52px; border-radius: 12px; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; font-size: 24px; background: rgba(26,45,90,0.08); }
.suitable-card h3 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.suitable-card p { font-size: 13px; color: var(--text-mid); line-height: 1.6; }
.cta-section { position: relative; overflow: hidden; padding: 100px 0; text-align: center; background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%); }
.cta-inner { position: relative; z-index: 2; max-width: 680px; margin: 0 auto; padding: 0 24px; }
.cta-inner h2 { font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta-inner h2 em { font-style: normal; background: linear-gradient(135deg, #34d399 0%, #10b981 50%, #059669 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,0.5); margin-bottom: 36px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; }
.cta-btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 6px; background: var(--emerald); color: #fff; font-size: 15px; font-weight: 700; box-shadow: 0 0 24px rgba(16,185,129,0.3), 0 6px 20px rgba(16,185,129,0.12); transition: background 0.2s, box-shadow 0.3s, transform 0.2s; }
.cta-btn-primary:hover { background: var(--emerald-h); box-shadow: 0 0 40px rgba(16,185,129,0.45), 0 6px 28px rgba(16,185,129,0.2); transform: translateY(-2px); }
.footer { padding: 60px 0 24px; background: var(--navy-dark); color: rgba(255,255,255,0.35); }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .footer-logo-icon { width: 30px; height: 30px; border-radius: 6px; background: var(--emerald); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 11px; }
.footer-brand .footer-logo-text { font-size: 16px; font-weight: 800; color: rgba(255,255,255,0.85); }
.footer-brand p { font-size: 13px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.6); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.35); padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--emerald); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; align-items: center; justify-content: space-between; font-size: 12px; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,0.25); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--emerald); }
@media (max-width: 1024px) { .query-grid, .suitable-grid { grid-template-columns: repeat(2, 1fr); } .footer-grid { grid-template-columns: 2fr 1fr 1fr; } .hero h1 { font-size: 40px; } .topbar { display: none; } .nav { top: 0; } .nav-mobile { top: 56px; } }
@media (max-width: 768px) { .topbar { display: none; } .nav { top: 0; } .nav-main { display: none; } .nav-toggle { display: flex; } .nav-mobile { top: 56px; } .hero { padding: 100px 0 50px; } .hero h1 { font-size: 32px; } .hero-sub { font-size: 15px; } .query-grid, .suitable-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } .footer-grid { grid-template-columns: 1fr; gap: 32px; } .footer-bottom { flex-direction: column; gap: 12px; text-align: center; } .section-title { font-size: 28px; } .cta-inner h2 { font-size: 28px; } .mobile-bottom-bar { display: block; } body { padding-bottom: 70px; } }
@media (max-width: 480px) { .hero h1 { font-size: 26px; } .query-grid, .suitable-grid { grid-template-columns: 1fr; } .hero-actions { flex-direction: column; width: 100%; } .hero-btn-secondary { justify-content: center; } }