/* ==========================================================================
   YiwuPage Portal v2.0 — Phase 13 设计系统
   面向韩国采购商的义乌B2B门户
   ========================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --yp-blue: #2563eb;
    --yp-blue-dark: #1d4ed8;
    --yp-blue-light: #dbeafe;
    --yp-blue-50: #eff6ff;
    --yp-red: #dc2626;
    --yp-green: #16a34a;
    --yp-green-light: #f0fdf4;
    --yp-amber: #d97706;
    --yp-amber-light: #fef3c7;
    --yp-gray-50: #f8fafc;
    --yp-gray-100: #f1f5f9;
    --yp-gray-200: #e2e8f0;
    --yp-gray-300: #cbd5e1;
    --yp-gray-400: #94a3b8;
    --yp-gray-500: #64748b;
    --yp-gray-600: #475569;
    --yp-gray-700: #334155;
    --yp-gray-800: #1e293b;
    --yp-gray-900: #0f172a;
    --yp-white: #ffffff;
    --yp-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --yp-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --yp-shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --yp-shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --yp-radius: 8px;
    --yp-radius-lg: 12px;
    --yp-radius-xl: 16px;
    --yp-transition: all 0.2s ease;
    --yp-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
}

body.yp-v2 {
    font-family: var(--yp-font);
    color: var(--yp-gray-800);
    background: var(--yp-gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.yp-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: var(--yp-blue); text-decoration: none; }
a:hover { color: var(--yp-blue-dark); }

/* --- Header --- */
.yp-header {
    background: var(--yp-white);
    border-bottom: 1px solid var(--yp-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--yp-shadow-sm);
}

.yp-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
}

.yp-logo {
    display: flex;
    align-items: baseline;
    gap: 2px;
    text-decoration: none;
    flex-shrink: 0;
}
.yp-logo-main {
    font-size: 22px;
    font-weight: 800;
    color: var(--yp-gray-900);
}
.yp-logo-accent {
    font-size: 22px;
    font-weight: 800;
    color: var(--yp-blue);
}
.yp-logo-sub {
    font-size: 11px;
    color: var(--yp-gray-400);
    margin-left: 6px;
    font-weight: 500;
}

.yp-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.yp-nav-link {
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--yp-gray-600);
    border-radius: 6px;
    transition: var(--yp-transition);
    white-space: nowrap;
}
.yp-nav-link:hover { color: var(--yp-blue); background: var(--yp-blue-50); }
.yp-nav-active { color: var(--yp-blue); background: var(--yp-blue-50); font-weight: 600; }
.yp-nav-cta {
    background: var(--yp-blue);
    color: var(--yp-white) !important;
    font-weight: 600;
}
.yp-nav-cta:hover { background: var(--yp-blue-dark); }

.yp-header-search {
    display: flex;
    align-items: center;
    background: var(--yp-gray-100);
    border-radius: 20px;
    padding: 0 4px 0 14px;
    flex: 0 1 280px;
    min-width: 180px;
}
.yp-header-search-input {
    border: none;
    background: transparent;
    padding: 8px 0;
    font-size: 13px;
    outline: none;
    width: 100%;
    color: var(--yp-gray-800);
}
.yp-header-search-btn {
    padding: 6px 12px;
    background: var(--yp-blue);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.yp-header-search-btn:hover { background: var(--yp-blue-dark); }

/* Mobile menu */
.yp-mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}
.yp-mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--yp-gray-700);
    border-radius: 2px;
}

.yp-mobile-nav {
    display: none;
    flex-direction: column;
    padding: 12px 20px 16px;
    border-top: 1px solid var(--yp-gray-200);
    background: var(--yp-white);
}
.yp-mobile-nav a {
    padding: 10px 0;
    font-size: 15px;
    color: var(--yp-gray-700);
    border-bottom: 1px solid var(--yp-gray-100);
}
.yp-mobile-nav-open { display: flex !important; }
.yp-mobile-search {
    display: flex;
    margin-top: 8px;
    gap: 8px;
}
.yp-mobile-search-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--yp-gray-200);
    border-radius: 8px;
    font-size: 14px;
}
.yp-mobile-search button {
    padding: 10px 16px;
    background: var(--yp-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
}

/* --- Hero Section --- */
.yp-hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 50%, #2563eb 100%);
    color: white;
    padding: 60px 0 50px;
    text-align: center;
}
.yp-hero h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
}
.yp-hero-subtitle {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 28px;
}
.yp-hero-search {
    max-width: 560px;
    margin: 0 auto 20px;
    display: flex;
    background: white;
    border-radius: 28px;
    padding: 4px;
    box-shadow: var(--yp-shadow-lg);
}
.yp-hero-search-input {
    flex: 1;
    border: none;
    padding: 14px 20px;
    font-size: 16px;
    border-radius: 24px;
    outline: none;
    color: var(--yp-gray-800);
}
.yp-hero-search-btn {
    padding: 14px 28px;
    background: var(--yp-blue);
    color: white;
    border: none;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}
.yp-hero-search-btn:hover { background: var(--yp-blue-dark); }

.yp-hero-keywords {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.yp-hero-keyword {
    padding: 6px 14px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 16px;
    font-size: 13px;
    color: white;
    transition: var(--yp-transition);
}
.yp-hero-keyword:hover { background: rgba(255,255,255,0.25); color: white; }

/* --- Stats Bar --- */
.yp-stats {
    background: white;
    border-bottom: 1px solid var(--yp-gray-200);
    padding: 16px 0;
}
.yp-stats-inner {
    display: flex;
    justify-content: center;
    gap: 48px;
}
.yp-stat {
    text-align: center;
}
.yp-stat-num {
    font-size: 24px;
    font-weight: 800;
    color: var(--yp-blue);
}
.yp-stat-label {
    font-size: 12px;
    color: var(--yp-gray-500);
    margin-top: 2px;
}

/* --- Section --- */
.yp-section {
    padding: 40px 0;
}
.yp-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.yp-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--yp-gray-900);
}
.yp-section-more {
    font-size: 13px;
    color: var(--yp-gray-500);
    font-weight: 500;
}
.yp-section-more:hover { color: var(--yp-blue); }

/* --- Company Card Grid --- */
.yp-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.yp-company-card {
    display: block;
    padding: 20px;
    background: white;
    border: 1px solid var(--yp-gray-200);
    border-radius: var(--yp-radius-lg);
    transition: var(--yp-transition);
    box-shadow: var(--yp-shadow-sm);
}
.yp-company-card:hover {
    box-shadow: var(--yp-shadow-md);
    border-color: var(--yp-blue);
    transform: translateY(-2px);
}
.yp-company-card.featured {
    border-left: 3px solid var(--yp-amber);
}

.yp-card-badges {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.yp-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.yp-badge-verified { background: var(--yp-blue-light); color: var(--yp-blue); }
.yp-badge-featured { background: var(--yp-amber-light); color: var(--yp-amber); }
.yp-badge-category { background: var(--yp-gray-100); color: var(--yp-gray-600); }
.yp-badge-korean { background: var(--yp-green-light); color: var(--yp-green); }
.yp-badge-oem { background: var(--yp-amber-light); color: var(--yp-amber); }

.yp-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--yp-gray-900);
    margin-bottom: 6px;
    line-height: 1.4;
}
.yp-card-products {
    font-size: 13px;
    color: var(--yp-gray-600);
    margin-bottom: 6px;
}
.yp-card-location {
    font-size: 12px;
    color: var(--yp-gray-400);
    margin-bottom: 10px;
}
.yp-card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.yp-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid var(--yp-gray-100);
    font-size: 13px;
    color: var(--yp-gray-500);
}

/* --- Category Grid --- */
.yp-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}
.yp-category-card {
    display: block;
    padding: 16px 12px;
    background: white;
    border: 1px solid var(--yp-gray-200);
    border-radius: var(--yp-radius);
    text-align: center;
    transition: var(--yp-transition);
}
.yp-category-card:hover {
    border-color: var(--yp-blue);
    box-shadow: var(--yp-shadow);
    transform: translateY(-1px);
}
.yp-category-icon {
    font-size: 28px;
    margin-bottom: 6px;
}
.yp-category-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--yp-gray-800);
    line-height: 1.3;
}
.yp-category-count {
    font-size: 11px;
    color: var(--yp-gray-400);
    margin-top: 4px;
}

/* --- Market Section --- */
.yp-market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}
.yp-market-card {
    display: block;
    padding: 20px;
    background: white;
    border: 1px solid var(--yp-gray-200);
    border-radius: var(--yp-radius-lg);
    transition: var(--yp-transition);
}
.yp-market-card:hover {
    box-shadow: var(--yp-shadow-md);
    border-color: var(--yp-blue);
}
.yp-market-icon { font-size: 24px; margin-bottom: 8px; }
.yp-market-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--yp-gray-900);
    margin-bottom: 4px;
}
.yp-market-desc {
    font-size: 12px;
    color: var(--yp-gray-500);
    line-height: 1.5;
}
.yp-market-count {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 10px;
    background: var(--yp-blue-50);
    color: var(--yp-blue);
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

/* --- SEO Content Block --- */
.yp-seo-block {
    background: white;
    border: 1px solid var(--yp-gray-200);
    border-radius: var(--yp-radius-lg);
    padding: 28px;
    margin-top: 32px;
}
.yp-seo-block h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--yp-gray-900);
    margin-bottom: 12px;
}
.yp-seo-block p {
    font-size: 14px;
    color: var(--yp-gray-600);
    line-height: 1.8;
    margin-bottom: 10px;
}

/* --- Footer --- */
.yp-footer {
    background: var(--yp-gray-900);
    color: var(--yp-gray-400);
    padding: 48px 0 24px;
    margin-top: 48px;
}
.yp-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
.yp-footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--yp-white);
    margin-bottom: 12px;
}
.yp-footer-text {
    font-size: 13px;
    line-height: 1.6;
    color: var(--yp-gray-400);
}
.yp-footer-text-small {
    font-size: 11px;
    color: var(--yp-gray-500);
    margin-top: 12px;
}
.yp-footer-links {
    list-style: none;
}
.yp-footer-links li {
    margin-bottom: 8px;
}
.yp-footer-links a {
    font-size: 13px;
    color: var(--yp-gray-400);
    transition: var(--yp-transition);
}
.yp-footer-links a:hover { color: var(--yp-white); }
.yp-footer-bottom {
    border-top: 1px solid var(--yp-gray-700);
    padding-top: 16px;
    text-align: center;
    font-size: 12px;
    color: var(--yp-gray-500);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .yp-nav { display: none; }
    .yp-header-search { display: none; }
    .yp-mobile-menu-btn { display: flex; }

    .yp-hero { padding: 40px 0 36px; }
    .yp-hero h1 { font-size: 24px; }
    .yp-hero-subtitle { font-size: 14px; }
    .yp-hero-search { flex-direction: column; border-radius: 16px; padding: 6px; }
    .yp-hero-search-input { padding: 12px 16px; border-radius: 12px; }
    .yp-hero-search-btn { border-radius: 12px; padding: 12px; }

    .yp-stats-inner { gap: 24px; }
    .yp-stat-num { font-size: 20px; }

    .yp-section { padding: 28px 0; }
    .yp-section-title { font-size: 17px; }

    .yp-card-grid { grid-template-columns: 1fr; }
    .yp-category-grid { grid-template-columns: repeat(3, 1fr); }
    .yp-market-grid { grid-template-columns: 1fr; }

    .yp-footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .yp-footer-grid .yp-footer-col:first-child { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
    .yp-category-grid { grid-template-columns: repeat(2, 1fr); }
    .yp-footer-grid { grid-template-columns: 1fr; }
}