:root {
    --primary: #1e293b;
    --primary-hover: #0f172a;
    --accent: #334155;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-sub: #475569;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header */
.header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: var(--text-sub);
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    text-decoration: underline;
}

.header-search {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
}

.header-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    width: 160px;
    color: var(--text-main);
}

/* Layout */
.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-container {
    margin: 32px auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

@media (max-width: 992px) {
    .main-container {
        grid-template-columns: 1fr;
    }
    .nav-links { display: none; }
}

/* Hero Banner */
.hero-banner {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    margin-bottom: 24px;
}

.hero-banner h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.hero-banner p {
    color: var(--text-sub);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.hero-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-sub);
    font-weight: 500;
}

/* Catalog Grid & Cards */
.catalog-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vendor-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    position: relative;
}

.recommend-tag {
    position: absolute;
    top: 24px;
    right: 24px;
    background: #f1f5f9;
    color: var(--text-sub);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.rank-number {
    font-size: 1rem;
    font-weight: 700;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #334155;
    color: #ffffff;
}

.vendor-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vendor-title h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
}

.badge-new {
    background: #f1f5f9;
    color: var(--text-main);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.vendor-summary {
    font-size: 0.88rem;
    color: var(--text-sub);
    margin-top: 4px;
}

.vendor-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    background: var(--bg);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .vendor-facts { grid-template-columns: 1fr; gap: 10px; }
}

.fact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.fact-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.fact-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.btn-action {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-action:hover {
    background: var(--primary-hover);
}

.editor-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 24px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
}

/* Sidebar */
.stats-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.sidebar-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.live-badge {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.metric-box {
    background: var(--bg);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
}

.metric-label { font-size: 0.75rem; color: var(--text-muted); }
.metric-value { font-size: 1rem; font-weight: 700; color: var(--primary); margin-top: 2px; }

.click-rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.click-rank-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
}

.click-rank-info { display: flex; align-items: center; gap: 10px; }
.click-rank-num { font-weight: 700; color: var(--text-muted); width: 16px; }
.click-count { font-weight: 600; color: var(--text-main); }

/* SEO & Guide Section (Bottom) */
.seo-section {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    margin-top: 40px;
}

.seo-section h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    margin-top: 24px;
}

.seo-section h2:first-child {
    margin-top: 0;
}

.seo-section p {
    font-size: 0.9rem;
    color: var(--text-sub);
    margin-bottom: 14px;
    line-height: 1.7;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 24px 0;
}

@media (max-width: 768px) {
    .principles-grid { grid-template-columns: 1fr 1fr; }
}

.principle-box {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 8px;
}

.principle-box h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}

.principle-box p {
    font-size: 0.8rem;
    margin-bottom: 0;
}

/* FAQ */
.faq-box {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.faq-box details {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: #ffffff;
    font-size: 0.88rem;
}

.faq-box details:last-child {
    border-bottom: none;
}

.faq-box summary {
    font-weight: 600;
    cursor: pointer;
    color: var(--primary);
}

.faq-box p {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: #ffffff;
    border-top: 1px solid var(--border);
    margin-top: 60px;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}