:root {
    --bg-main: #ffffff;
    --bg-alt: #fafafa;
    --text-primary: #000000;
    --text-secondary: #737373;
    --border-color: #dbdbdb;
    
    --brand-blue: #0095f6;
    --brand-blue-hover: #1877f2;
    
    --ig-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    
    --font-heading: 'Helvetica Neue', Helvetica, -apple-system, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-main); color: var(--text-primary); font-family: var(--font-body); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

/* Minimalist Nav */
.nav { padding: 18px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; background: rgba(255,255,255,0.95); z-index: 100; }
.nav-container { max-width: 980px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; width: 100%; }
.nav-brand { font-family: 'Georgia', serif; font-size: 26px; font-weight: 700; font-style: italic; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 14px; font-weight: 600; color: var(--text-primary); text-transform: uppercase; letter-spacing: 1px; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text-secondary); }
.nav-btn { background: var(--brand-blue); color: #fff !important; padding: 8px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; text-transform: none !important; letter-spacing: normal !important; }
.nav-btn:hover { background: var(--brand-blue-hover); color: #fff !important; }

/* Hero with English Title Focus */
.hero { text-align: center; padding: 80px 20px 60px; max-width: 800px; margin: 0 auto; }
.hero-en-title { font-family: var(--font-heading); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 4px; color: var(--text-secondary); margin-bottom: 20px; }
.hero h1 { font-family: var(--font-heading); font-size: 48px; font-weight: 300; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 24px; }
.hero p { font-size: 16px; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-inline: auto; font-weight: 400; line-height: 1.6; }
.btn-group { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.btn { padding: 12px 32px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: 0.2s; text-align: center; border: 1px solid transparent; }
.btn-primary { background: var(--brand-blue); color: #fff; }
.btn-primary:hover { background: var(--brand-blue-hover); }
.btn-secondary { background: transparent; color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { border-color: var(--text-primary); }

/* Minimal Stats */
.stats { display: flex; justify-content: center; gap: 60px; padding: 40px 20px; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); max-width: 980px; margin: 0 auto 80px; flex-wrap: wrap; }
.stat-box { text-align: center; }
.stat-val { font-family: var(--font-heading); font-size: 28px; font-weight: 300; letter-spacing: -1px; margin-bottom: 4px; }
.stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-secondary); }

/* Container */
.container { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.section-title { font-family: var(--font-heading); font-size: 24px; font-weight: 300; letter-spacing: -0.5px; margin-bottom: 40px; }
.section-title span { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 3px; color: var(--text-secondary); margin-bottom: 8px; margin-top: -4px; }

/* About Text */
.about-panel { margin-bottom: 80px; max-width: 800px; }
.about-panel p { font-size: 18px; line-height: 1.8; color: var(--text-primary); font-weight: 300; margin-bottom: 24px; }
.about-panel p:last-child { margin-bottom: 0; }

/* Feature Grid */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-bottom: 80px; }
.feat-card { border-top: 1px solid var(--text-primary); padding-top: 20px; }
.feat-en-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--text-secondary); margin-bottom: 12px; display: block; }
.feat-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* Image Display */
.img-showcase { margin-bottom: 80px; border: 1px solid var(--border-color); border-radius: 4px; padding: 4px; background: #fff; }
.img-showcase img { width: 100%; display: block; border-radius: 2px; }

/* Guide List */
.guide-list { margin-bottom: 80px; }
.guide-item { display: flex; gap: 24px; margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border-color); }
.guide-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.guide-num { font-family: var(--font-heading); font-size: 48px; font-weight: 300; color: var(--text-secondary); line-height: 0.8; }
.guide-info h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.guide-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; max-width: 600px; }

/* FAQ Minimal */
.faq-wrap { max-width: 800px; margin-bottom: 80px; }
.faq-box { margin-bottom: 24px; }
.faq-q { font-size: 15px; font-weight: 600; margin-bottom: 8px; display: flex; gap: 8px; }
.faq-q::before { content: 'Q.'; font-weight: 700; color: var(--text-secondary); }
.faq-a { font-size: 14px; color: var(--text-secondary); line-height: 1.6; padding-left: 24px; }

/* Footer */
.footer { border-top: 1px solid var(--border-color); padding: 40px 20px; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-links a { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { font-size: 12px; color: var(--text-secondary); }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 36px; }
    .stats { gap: 30px; padding: 30px 20px; }
    .guide-item { flex-direction: column; gap: 16px; }
}