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

body {
    font-family: "Noto Sans KR", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 헤더 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo i {
    margin-right: 0.5rem;
    color: #ffd700;
}

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

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #ffd700;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 메인 컨텐츠 */
.main {
    margin-top: 80px;
}

/* 히어로 섹션 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.highlight {
    color: #ffd700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.cta-button:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

/* 섹션 타이틀 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
    font-weight: 700;
}

/* 상품 섹션 */
.products {
    padding: 4rem 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    min-height: 450px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #ff6b6b;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
}

.product-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
    line-height: 1.2;
    height: auto;
    overflow: hidden;
}

.product-description {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.4;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b6b;
    white-space: nowrap;
}

.original-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
    white-space: nowrap;
}

.product-button {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
    flex-shrink: 0;
}

.product-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 특징 섹션 */
.features {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 푸터 */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.footer-section p {
    margin-bottom: 0.5rem;
    color: #ccc;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #999;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s ease;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

/* 상품 상세 모달 */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.product-detail-image {
    position: relative;
}

.product-detail-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-detail-image .product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #ff6b6b;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-detail-info h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 700;
}

.product-detail-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-detail-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-detail-price .price {
    font-size: 2rem;
    font-weight: 700;
    color: #ff6b6b;
}

.product-detail-price .original-price {
    font-size: 1.2rem;
    color: #999;
    text-decoration: line-through;
}

.product-items {
    margin-bottom: 2rem;
}

.product-items h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.product-items ul {
    list-style: none;
    padding: 0;
}

.product-items li {
    padding: 0.5rem 0;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-items li:before {
    content: "✓";
    color: #4caf50;
    font-weight: bold;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.buy-button {
    flex: 2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.wishlist-button {
    flex: 1;
    background: #f8f9fa;
    color: #667eea;
    border: 2px solid #667eea;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wishlist-button:hover {
    background: #667eea;
    color: white;
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 페이지별 추가 스타일 */

/* 페이지 헤더 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0 2rem;
    text-align: center;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 네비게이션 활성 상태 */
.nav a.active {
    color: #ffd700;
    font-weight: 600;
}

/* 이용방법 페이지 */
.how-to-use {
    padding: 4rem 0;
    background: white;
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 2rem;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.step-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.step-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 주의사항 */
.notice {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.notice-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.notice-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.notice-icon {
    width: 60px;
    height: 60px;
    background: #ff6b6b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.notice-icon i {
    font-size: 1.5rem;
    color: white;
}

.notice-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.notice-card p {
    color: #666;
    line-height: 1.6;
}

/* FAQ */
.faq {
    padding: 4rem 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 1.5rem;
    background: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
    font-weight: 600;
    margin: 0;
}

.faq-question i {
    color: #666;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem;
    display: none;
    background: white;
}

.faq-answer p {
    padding: 1.5rem 0;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.faq-item.active .faq-question {
    background: #667eea;
    color: white;
}

.faq-item.active .faq-question h3 {
    color: white;
}

.faq-item.active .faq-question i {
    color: white;
}

/* 개인정보보호 페이지 */
.privacy-content {
    padding: 4rem 0;
    background: white;
}

.privacy-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.privacy-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.privacy-section h2 i {
    color: #667eea;
}

.privacy-text h3 {
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
    color: #333;
    font-weight: 600;
}

.privacy-text ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.privacy-text li {
    margin-bottom: 0.5rem;
    color: #666;
    line-height: 1.6;
}

.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.contact-info h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.contact-info ul {
    list-style: none;
    padding: 0;
}

.contact-info li {
    margin-bottom: 0.5rem;
    color: #666;
}

/* 서비스 소개 페이지 */
.company-intro {
    padding: 4rem 0;
    background: white;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 700;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.intro-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 상품 카테고리 */
.product-categories {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.category-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.category-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-info {
    padding: 1.5rem;
}

.category-info h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.category-info p {
    color: #666;
    line-height: 1.6;
}

/* 회사 연혁 */
.company-history {
    padding: 4rem 0;
    background: white;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #667eea;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin: 0 2rem;
    flex-shrink: 0;
}

.timeline-content {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

/* 팀 소개 */
.team-intro {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.member-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid #667eea;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
}

.position {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-info p {
    color: #666;
    line-height: 1.6;
}

/* 연락처 */
.contact-info {
    padding: 4rem 0;
    background: white;
}

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

.contact-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.contact-card p {
    color: #666;
    line-height: 1.6;
}

/* 친구초대 이벤트 페이지 */
.event-intro {
    padding: 4rem 0;
    background: white;
}

.intro-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    padding: 3rem;
    border-radius: 20px;
    color: white;
}

.banner-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.benefits {
    display: flex;
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    flex: 1;
}

.benefit-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.benefit-item span {
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.benefit-item strong {
    font-size: 1.2rem;
    font-weight: 700;
}

.banner-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 이벤트 참여 방법 */
.how-to-participate {
    padding: 4rem 0;
    background: #f8f9fa;
}

.invite-link-container {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.invite-link-container input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
}

.copy-button {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.copy-button:hover {
    background: #5a6fd8;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.share-button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    color: white;
}

.share-button.kakao {
    background: #fee500;
    color: #3c1e1e;
}

.share-button.facebook {
    background: #1877f2;
}

.share-button.twitter {
    background: #1da1f2;
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.reward-info {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.reward-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.reward-item i {
    color: #667eea;
    font-size: 1.2rem;
}

/* 이벤트 상세 정보 */
.event-details {
    padding: 4rem 0;
    background: white;
}

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

.detail-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.detail-icon i {
    font-size: 1.5rem;
    color: white;
}

.detail-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.detail-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.detail-card small {
    color: #999;
    font-size: 0.9rem;
}

/* 내 초대 현황 */
.my-invitations {
    padding: 4rem 0;
    background: #f8f9fa;
}

.invitation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-weight: 600;
}

.invitation-list {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.invitation-list h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 600;
}

.invitation-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.invitation-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.invitee-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.invitee-avatar {
    width: 50px;
    height: 50px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.invitee-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: #333;
    font-weight: 600;
}

.invitee-details p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.invite-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 1rem;
    font-weight: 600;
}

.invite-status.completed {
    color: #4caf50;
}

.invite-status.pending {
    color: #ff9800;
}

.invite-reward {
    font-weight: 700;
    color: #667eea;
}

/* 이벤트 주의사항 */
.event-notice {
    padding: 4rem 0;
    background: white;
}

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

.notice-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.notice-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.notice-item i {
    color: #ff6b6b;
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.notice-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
}

.notice-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-card {
        min-height: auto;
    }

    .product-info {
        min-height: auto;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }

    /* 페이지별 반응형 */
    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .intro-banner {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .benefits {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }

    .timeline-date {
        position: absolute;
        left: 0;
        margin: 0;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .invite-link-container {
        flex-direction: column;
    }

    .share-buttons {
        flex-direction: column;
    }

    .invitation-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .invitee-info {
        width: 100%;
    }

    .invite-status {
        margin-right: 0;
    }

    /* 상품 상세 모달 반응형 */
    .product-detail {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-actions {
        flex-direction: column;
    }

    .buy-button,
    .wishlist-button {
        flex: none;
    }
}

/* 고객센터 페이지 스타일 */
.contact-info-section {
    padding: 4rem 0;
    background: white;
}

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

.contact-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-icon i {
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.contact-email,
.contact-phone {
    font-size: 1.2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.contact-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.faq-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.faq-category {
    background: white;
    border: 2px solid #e0e0e0;
    padding: 1rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: #666;
}

.faq-category:hover,
.faq-category.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.faq-category i {
    margin-right: 0.5rem;
}

.faq-category-content {
    display: none;
}

.faq-category-content.active {
    display: block;
}

.inquiry-form-section {
    padding: 4rem 0;
    background: white;
}

.inquiry-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.inquiry-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.operation-hours {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.hours-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.hours-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.hours-icon {
    width: 60px;
    height: 60px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.hours-icon i {
    font-size: 1.5rem;
    color: white;
}

.hours-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.hours-card p {
    color: #666;
    margin-bottom: 0.5rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .faq-categories {
        flex-direction: column;
        align-items: center;
    }

    .faq-category {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hours-grid {
        grid-template-columns: 1fr;
    }

    .inquiry-form {
        padding: 1.5rem;
    }
}

/* 구매 페이지 스타일 */
.purchase-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 0.8rem;
}

.purchase-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.purchase-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.purchase-content {
    padding: 3rem 0;
    background: #f8f9fa;
}

.purchase-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.order-section {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.order-header {
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.order-header h2 {
    font-size: 1.5rem;
    color: #333;
    font-weight: 600;
}

.order-header i {
    color: #667eea;
    margin-right: 0.5rem;
}

.product-summary {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.product-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.product-image {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-details h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.product-description {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-price .price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #667eea;
}

.product-price .original-price {
    font-size: 0.9rem;
    color: #999;
    text-decoration: line-through;
    margin-left: 0.5rem;
}

.shipping-info,
.payment-method {
    margin-bottom: 2rem;
}

.shipping-info h3,
.payment-method h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 600;
}

.shipping-info i,
.payment-method i {
    color: #667eea;
    margin-right: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.address-input {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.address-input input {
    flex: 1;
}

.address-search-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
}

.address-search-btn:hover {
    background: #5a6fd8;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.payment-option {
    cursor: pointer;
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: white;
}

.payment-option input[type="radio"]:checked + .payment-card {
    border-color: #667eea;
    background: #f8f9ff;
}

.payment-card i {
    font-size: 1.2rem;
    color: #667eea;
}

.payment-card span {
    font-weight: 600;
    color: #333;
}

.order-summary {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.summary-header {
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.summary-header h3 {
    font-size: 1.3rem;
    color: #333;
    font-weight: 600;
}

.summary-header i {
    color: #667eea;
    margin-right: 0.5rem;
}

.summary-content {
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.summary-item.discount {
    color: #e74c3c;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    border-top: 2px solid #667eea;
    margin-top: 1rem;
}

.coupon-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.coupon-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.coupon-section i {
    color: #667eea;
    margin-right: 0.5rem;
}

.coupon-input {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.coupon-input input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.coupon-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
}

.coupon-btn:hover {
    background: #5a6fd8;
}

.available-coupons p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.coupon-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: white;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.coupon-item:hover {
    background: #f8f9ff;
}

.coupon-name {
    font-weight: 600;
    color: #333;
}

.coupon-desc {
    font-size: 0.9rem;
    color: #666;
}

.select-coupon-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.terms-section {
    margin-bottom: 2rem;
}

.terms-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
}

.terms-section i {
    color: #667eea;
    margin-right: 0.5rem;
}

.terms-list {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1rem;
}

.term-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0;
    cursor: pointer;
    border-bottom: 1px solid #e0e0e0;
}

.term-item:last-child {
    border-bottom: none;
}

.term-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.term-item input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.term-item input[type="checkbox"]:checked + .checkmark::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.required {
    color: #e74c3c;
    font-size: 0.8rem;
}

.optional {
    color: #666;
    font-size: 0.8rem;
}

.payment-button {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1.2rem 2rem;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.payment-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.payment-button i {
    margin-right: 0.5rem;
}

.payment-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.payment-security i {
    color: #27ae60;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .purchase-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .payment-options {
        grid-template-columns: 1fr;
    }

    .product-info {
        flex-direction: column;
        text-align: center;
    }

    .address-input {
        flex-direction: column;
    }

    .coupon-input {
        flex-direction: column;
    }

    .order-summary {
        position: static;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .products,
    .features {
        padding: 2rem 0;
    }

    .product-card {
        margin: 0;
        min-height: auto;
    }

    .product-info {
        min-height: auto;
        padding: 1rem;
    }

    .product-price {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .price,
    .original-price {
        font-size: 1.2rem;
    }
}