:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Features Section */
.features-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.features-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Products Section */
.products-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.product-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.product-features li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.product-features li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Network Section */
.network-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.network-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 220px;
}

.stat-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    white-space: nowrap;
}

.datacenter-map {
    margin: 4rem 0;
}

.datacenter-map h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.map-container {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.map-placeholder {
    position: relative;
    width: 100%;
    height: 400px;
    background: #f8f9fa;
    border-radius: 5px;
    overflow: hidden;
}

.network-map {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.datacenter-location {
    position: absolute;
    transform: translate(-50%, -50%);
}

.location-dot {
    display: block;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    position: relative;
}

.location-dot::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
}

.location-info {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    white-space: nowrap;
    display: none;
}

.datacenter-location:hover .location-info {
    display: block;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    70% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.network-features {
    margin-top: 4rem;
}

.network-features h2 {
    text-align: center;
    margin-bottom: 2rem;
}

/* Pricing Section */
.pricing-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pricing-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.period {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: normal;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Contact Section */
.contact-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.contact-info {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.contact-info h2 {
    margin-bottom: 2rem;
    color: var(--text-color);
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.contact-form h2 {
    margin-bottom: 2rem;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.faq-section {
    margin-top: 4rem;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-left: 2rem;
}

.language-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-btn::after {
    content: ' ▼';
    margin-left: 6px;
    font-size: 13px;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: none;
    min-width: 120px;
    z-index: 1000;
}

.language-dropdown.show {
    display: block;
}

.language-dropdown a {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.3s;
}

.language-dropdown a:hover {
    background-color: var(--light-bg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .network-stats {
        grid-template-columns: 1fr;
    }
    
    .map-placeholder {
        height: 300px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info,
    .contact-form {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .language-selector {
        margin-left: 1rem;
    }
    
    .language-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

.main-services-section {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.main-services-section h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2rem;
}

.main-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 0 auto;
    max-width: 1100px;
}

.main-service-card {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main-service-card:hover {
    transform: translateY(-6px) scale(1.03);
}

.main-service-card img {
    margin-bottom: 1rem;
}

.main-service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.main-service-card p {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    color: #444;
}

.service-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 500;
    font-size: 0.98rem;
    margin-top: auto;
}

@media (max-width: 1024px) {
    .main-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 700px) {
    .main-services-grid {
        grid-template-columns: 1fr;
    }
    .main-services-section {
        padding: 2rem 0.5rem;
    }
}

.main-network-section {
    background: #f3f4f6;
    padding: 4rem 0 4rem 0;
}

.infra-box {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    max-width: 1100px;
    margin: 0 auto 3rem auto;
    padding: 3rem 2rem 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.infra-box .network-stats {
    margin-bottom: 2.5rem;
    width: 100%;
}

.infra-box .map-placeholder {
    margin: 0 auto 0.5rem auto !important;
    max-width: 600px;
    height: 260px;
}

.infra-box .network-map-desc {
    margin-bottom: 0;
    margin-top: 0.5rem;
}

@media (max-width: 900px) {
    .infra-box {
        padding: 2rem 0.5rem 2rem 0.5rem;
    }
    .infra-box .map-placeholder {
        max-width: 100%;
        height: 180px;
    }
}

/* 빠른 문의 및 지원 섹션 */
.main-support-section {
    background-color: var(--white);
    padding: 3rem 0 4rem 0;
    text-align: center;
    margin-top: 0;
}

.main-support-section h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.main-support-section p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.main-support-section .cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.main-support-section .cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 지도 마커 및 툴팁 */
.map-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 2;
}
.marker-dot {
    display: block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 8px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
}
.marker-tooltip {
    display: none;
    position: absolute;
    top: -36px;
    left: 50%;
    transform: translateX(-50%);
    background: #222;
    color: #fff;
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 15px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
    pointer-events: none;
    opacity: 0.95;
}
.map-marker:hover .marker-tooltip {
    display: block;
}

.logo a {
    text-decoration: none;
}

.footer-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #fff;
    letter-spacing: -1px;
}
.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-list li {
    color: #e0e6ed;
    font-size: 0.97rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}
.footer-link {
    color: #e0e6ed;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-link:hover {
    color: #fff;
    text-decoration: underline;
}
@media (max-width: 900px) {
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
}

/* Theme Toggle */
.theme-toggle {
    margin-left: 1rem;
}

.theme-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Dark Mode Styles */
body.dark-theme {
    background-color: #181a1b;
    color: #e3e6eb;
}
body.dark-theme .header,
body.dark-theme .footer {
    background-color: #202124;
    color: #e3e6eb;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
body.dark-theme .nav-menu a,
body.dark-theme .footer-link {
    color: #e3e6eb;
}
body.dark-theme .nav-menu a:hover,
body.dark-theme .footer-link:hover {
    color: #8ab4f8;
}
body.dark-theme .product-card,
body.dark-theme .main-service-card,
body.dark-theme .contact-info,
body.dark-theme .contact-form,
body.dark-theme .faq-item,
body.dark-theme .stat-card,
body.dark-theme .map-container,
body.dark-theme .infra-box {
    background-color: #23272b;
    color: #e3e6eb;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    border: 1px solid #23272b;
}
body.dark-theme .page-header,
body.dark-theme .main-services-section,
body.dark-theme .contact-section,
body.dark-theme .features-section,
body.dark-theme .products-section,
body.dark-theme .network-section,
body.dark-theme .pricing-section {
    background-color: #181a1b;
}
body.dark-theme .language-btn,
body.dark-theme .theme-btn {
    border-color: #444851;
    color: #e3e6eb;
    background: #23272b;
}
body.dark-theme .language-btn:hover,
body.dark-theme .theme-btn:hover {
    background-color: #393e46;
    color: #8ab4f8;
}
body.dark-theme .language-dropdown {
    background-color: #23272b;
    border-color: #393e46;
}
body.dark-theme .language-dropdown a {
    color: #e3e6eb;
}
body.dark-theme .language-dropdown a:hover {
    background-color: #393e46;
}
body.dark-theme .cta-button,
body.dark-theme .service-link {
    background: #23272b;
    color: #8ab4f8;
    border: 1px solid #393e46;
}
body.dark-theme .cta-button:hover,
body.dark-theme .service-link:hover {
    background: #393e46;
    color: #fff;
}
body.dark-theme .footer-title {
    color: #fff;
}
body.dark-theme .footer-list li {
    color: #b0b8c1;
}
body.dark-theme .main-support-section {
    background: #23272b;
}
body.dark-theme .main-support-section h2 {
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
body.dark-theme .main-support-section p {
    color: #cfd8dc;
}
body.dark-theme .main-support-section .cta-button {
    background: #2563eb;
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
body.dark-theme .main-support-section .cta-button:hover {
    background: #1e40af;
    color: #fff;
}

/* 다크모드: 글로벌 네트워크 섹션 배경 */
body.dark-theme .main-network-section,
body.dark-theme .infra-box {
    background: #23272b;
}

/* 다크모드: header 고정/스크롤 시 항상 어두운 배경 */
body.dark-theme .header {
    background: #202124 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
body.dark-theme .header.scrolled {
    background: #202124 !important;
}

/* 다크모드: 글로벌 네트워크(인프라 박스) 및 맵 */
body.dark-theme .infra-box {
    background: #23272b;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
    border-radius: 18px;
}
body.dark-theme .stat-card {
    background: #23272b;
    border: 1px solid #393e46;
    color: #e3e6eb;
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
body.dark-theme .map-container,
body.dark-theme .map-placeholder {
    background: #23272b !important;
    border: 1px solid #393e46;
}
body.dark-theme .network-map {
    filter: brightness(0.85) grayscale(0.1);
    background: #23272b;
    border-radius: 10px;
}

/* 다크모드: 상품 설명(카드 내 p) */
body.dark-theme .product-card p,
body.dark-theme .main-service-card p {
    color: #cfd8dc;
}

/* 다크모드: 네트워크 특징 박스 */
body.dark-theme .feature-card {
    background: #23272b;
    color: #e3e6eb;
    border: 1px solid #393e46;
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
body.dark-theme .feature-card h3 {
    color: #8ab4f8;
}
body.dark-theme .feature-card p {
    color: #b0b8c1;
}

/* 다크모드: contact.php 폼/라벨/인풋 */
body.dark-theme .contact-info,
body.dark-theme .contact-form {
    background: #23272b;
    color: #e3e6eb;
    border: 1px solid #393e46;
}
body.dark-theme .contact-info h2,
body.dark-theme .contact-form h2,
body.dark-theme .contact-info h3,
body.dark-theme .contact-form label {
    color: #8ab4f8;
}
body.dark-theme .form-group label {
    color: #b0b8c1;
}
body.dark-theme .form-group input,
body.dark-theme .form-group textarea {
    background: #181a1b;
    color: #e3e6eb;
    border: 1px solid #393e46;
}
body.dark-theme .form-group input:focus,
body.dark-theme .form-group textarea:focus {
    border-color: #8ab4f8;
    outline: none;
}
body.dark-theme .btn,
body.dark-theme button,
body.dark-theme input[type="submit"] {
    background: #23272b;
    color: #8ab4f8;
    border: 1px solid #393e46;
}
body.dark-theme .btn:hover,
body.dark-theme button:hover,
body.dark-theme input[type="submit"]:hover {
    background: #393e46;
    color: #fff;
}
/* 다크모드: placeholder 텍스트 */
body.dark-theme ::placeholder {
    color: #b0b8c1;
    opacity: 1;
}