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

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', sans-serif;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
    font-weight: 700;
}

* {
    font-weight: 700;
}

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

/* 헤더 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.header.scrolled {
    background-color: #ffd700;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    width: auto;
    object-fit: contain;
}

.logo-desktop {
    display: block;
    width: 140px;
    height: 40px;
}

.logo-mobile {
    display: none;
    width: 120px;
    height: 32px;
}

.nav {
    display: none;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.header.scrolled .nav a {
    color: #fff;
}

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

.header.scrolled .nav a:hover {
    color: rgba(255,255,255,0.8);
}

/* 메뉴 버튼 (모바일 + 데스크탑) */
.menu-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 15px;
    z-index: 1001;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    transition: color 0.3s;
}

.header.scrolled .menu-btn {
    color: #fff;
}

.menu-btn .menu-icon {
    font-size: 20px;
}

.menu-btn.active .menu-icon {
    transform: rotate(90deg);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 메뉴 패널 (모바일 + 데스크탑) */
.menu-panel {
    position: fixed;
    right: -100%;
    top: 0;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: #ffd700;
    z-index: 1002;
    transition: right 0.4s ease;
    box-shadow: -5px 0 20px rgba(0,0,0,0.3);
}

.menu-panel.active {
    right: 0;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.menu-panel-header {
    padding: 30px 20px;
    border-bottom: 2px solid rgba(255,255,255,0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-logo-img {
    width: auto;
    object-fit: contain;
}

.menu-logo-desktop {
    display: block;
    width: 140px;
    height: 40px;
}

.menu-logo-mobile {
    display: none;
    width: 120px;
    height: 32px;
}

.menu-close {
    background: none;
    border: none;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.menu-close:hover {
    background-color: rgba(255,255,255,0.2);
}

.menu-nav {
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.menu-nav-link {
    padding: 20px 30px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    transition: background-color 0.3s;
}

.menu-nav-link:hover,
.menu-nav-link:active {
    background-color: rgba(255,255,255,0.2);
}

/* 섹션 공통 */
.section-title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px;
    color: #333;
}

/* 상품 정보 섹션 */
.product-section {
    padding: 40px 20px;
    background-color: #fff;
}

.product-header {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 30px;
}

.product-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
}

.product-subtitle {
    font-size: 14px;
    color: #ff6b6b;
    opacity: 0.7;
}

.product-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* 왼쪽 배너 */
.product-banner {
    position: relative;
}

.banner-image-wrapper {
    position: relative;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-radius: 15px;
    padding: 40px;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 500"><circle cx="200" cy="250" r="80" fill="%23fff" opacity="0.3"/><path d="M150 200 Q200 150 250 200 L250 300 Q200 350 150 300 Z" fill="%23fff" opacity="0.2"/></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.banner-character {
    position: absolute;
    bottom: 20%;
    left: 10%;
    font-size: 120px;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.banner-overlay {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 2;
}

.wifi-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    color: #ffd700;
    text-shadow: 3px 3px 0px #000, -1px -1px 0px #000, 1px -1px 0px #000, -1px 1px 0px #000;
    line-height: 1.2;
}

.speech-bubble {
    position: absolute;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: 15px;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: bold;
    z-index: 3;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.location-bubble {
    top: 20%;
    right: 10%;
    display: flex;
    align-items: center;
    gap: 8px;
}

.location-icon {
    font-size: 18px;
}

.phone-preview {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 3;
}

.phone-preview img {
    width: 120px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.product-info-btn {
    display: block;
    margin-top: 10px;
    padding: 8px 15px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    width: 100%;
}

/* 오른쪽 옵션 */
.product-options {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.option-group {
    border: 2px solid #ffd700;
    border-radius: 10px;
    padding: 20px;
    background-color: #fff;
}

.option-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.option-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.option-btn {
    padding: 12px 20px;
    background-color: #fff;
    border: 2px solid #ffd700;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.option-btn:hover {
    background-color: #ffd700;
    color: #333;
}

.option-btn.active {
    background-color: #ffd700;
    color: #333;
}

.number-portability {
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.option-selected {
    padding: 12px 15px;
    background-color: #fff;
    border: 2px solid #ffd700;
    border-radius: 8px;
    font-size: 16px;
    color: #333;
    position: relative;
}

.option-selected.with-badge {
    display: flex;
    align-items: center;
    gap: 10px;
}

.selected-value {
    font-weight: bold;
}

.badge {
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
}

.badge.recommend {
    background-color: #ff6b6b;
    color: #fff;
}

.badge.best-badge {
    background-color: #ff6b6b;
    color: #fff;
}

.color-selection {
    display: flex;
    align-items: center;
    gap: 15px;
}

.selected-color {
    font-weight: bold;
    font-size: 16px;
}

.color-swatches {
    display: flex;
    gap: 10px;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
}

.color-swatch.white {
    background-color: #fff;
}

.color-swatch.black {
    background-color: #333;
}

.color-swatch.active {
    border-color: #ffd700;
    border-width: 3px;
}

.plan-selection {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.plan-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plan-name {
    font-weight: bold;
    font-size: 16px;
}

.plan-price {
    font-size: 16px;
    color: #666;
}

.plan-select-btn {
    padding: 12px;
    background-color: #ffd700;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    width: 100%;
}

.plan-details {
    background-color: #fff9e6;
    border-radius: 8px;
    padding: 15px;
}

.plan-features {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ffd700;
    font-size: 14px;
    font-weight: bold;
}

.plan-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plan-list li {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
}

.plan-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

.discount-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.discount-option {
    padding: 15px;
    background-color: #fff;
    border: 2px solid #ffd700;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.discount-option.best {
    background-color: #fff9e6;
}

.discount-name {
    font-weight: bold;
    font-size: 16px;
}

.discount-amount {
    font-weight: bold;
    font-size: 16px;
    color: #333;
}

/* 썸네일 */
.product-thumbnails {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.thumbnail-item {
    position: relative;
    border: 2px solid #ffd700;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.thumbnail-item img {
    width: 200px;
    height: 150px;
    object-fit: cover;
    display: block;
}

.thumbnail-dots {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(0,0,0,0.5);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 20px;
}

/* 상품 상세 정보 */
.product-detail-section {
    padding: 80px 20px;
    background-color: #f8f9fa;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table th {
    background-color: #f8f9fa;
    padding: 15px;
    text-align: left;
    border: 1px solid #e0e0e0;
    width: 30%;
    font-weight: 600;
}

.spec-table td {
    padding: 15px;
    border: 1px solid #e0e0e0;
    background-color: #fff;
}

/* 이미지 섹션 */
.image-sections {
    padding: 0;
    background-color: #fff;
    position: relative;
}

.image-content-wrapper {
    position: relative;
    width: 100%;
}

.main-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: static;
    width: 100%;
}

.image-list {
    display: flex;
    flex-direction: column;
    flex: 1;
    position: static;
}

/* 오른쪽 사이드 탭 (데스크탑만) */
.side-tab {
    display: none;
    width: 100%;
    background-color: #fff;
    min-height: 400px;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    position: static;
}

.side-tab-content {
    padding: 0;
    position: relative;
}

/* 사이드 탭 이미지 */
.side-tab-image {
    width: 100%;
    margin-bottom: 0;
}

.side-tab-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 실시간 상담 문의 폼 */
.side-consult-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    margin-top: 0;
}

.side-contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.side-form-group {
    width: 100%;
}

.side-form-group input,
.side-form-group select,
.side-form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.side-form-group input:focus,
.side-form-group select:focus,
.side-form-group textarea:focus {
    outline: none;
    border-color: #ffd700;
}

.side-form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.side-submit-btn {
    width: 100%;
    padding: 15px;
    background-color: #ffd700;
    color: #333;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.side-submit-btn:hover {
    background-color: #ffed4e;
}

/* 액션 버튼 */
.side-action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.side-apply-btn {
    flex: 1;
    padding: 15px;
    background-color: #ffd700;
    color: #333;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.side-apply-btn:hover {
    background-color: #ffed4e;
}

.side-consult-btn {
    flex: 1;
    padding: 15px;
    background-color: #8B4513;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.side-consult-btn:hover {
    background-color: #A0522D;
}

.cert-badge-absolute {
    display: none;
    position: fixed;
    left: 80px;
    top: 35%;
    transform: translateY(-50%);
    z-index: 100;
}

.cert-badge-img {
    width: auto;
    height: 225px;
    object-fit: contain;
}

.image-item {
    margin-bottom: 0;
    text-align: center;
}

.image-item:last-child {
    margin-bottom: 0;
}

.image-item img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    vertical-align: top;
}

/* 비디오 섹션 */
.video-section {
    margin-bottom: 0;
    text-align: center;
    padding: 40px 20px;
    background-color: #fff;
}

.video-section-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.video-wrapper {
    max-width: 100%;
    margin: 0 auto;
}

.section-video {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}


/* 데스크탑에서만 표시 */
@media (min-width: 1024px) {
    .cert-badge-absolute {
        display: block;
    }
    
    .logo-desktop,
    .menu-logo-desktop,
    .inquiry-logo-desktop,
    .footer-logo-desktop {
        display: block;
    }
    
    .logo-mobile,
    .menu-logo-mobile,
    .inquiry-logo-mobile,
    .footer-logo-mobile {
        display: none;
    }
    
    .main-layout {
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
        position: static;
    }
    
    .image-list {
        flex: 1;
        max-width: calc(100% - 520px);
        position: static;
    }
    
    .side-tab {
        display: block;
        width: 500px;
        flex-shrink: 0;
        position: sticky;
        top: 80px;
        align-self: flex-start;
        max-height: calc(100vh - 100px);
        overflow-y: auto;
    }
    
    .side-tab-content {
        position: relative;
    }
    
}

/* 실시간 상담 섹션 */
.realtime-consultation {
    padding: 80px 20px;
    background-color: #f8f9fa;
}

.consultation-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.consultation-box {
    background-color: #fff;
    border: 3px solid #ffd700;
    border-radius: 15px;
    padding: 30px;
    min-height: 400px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.consultation-item {
    background-color: #fff;
    border: 2px solid #ffd700;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    animation: slideUp 0.8s ease-out;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
    position: relative;
    z-index: 1;
}

.consultation-item:last-child {
    margin-bottom: 0;
}

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

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

.consultation-item-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.consultation-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-weight: bold;
    margin-right: 10px;
}

.consultation-name-phone {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.consultation-name {
    font-weight: bold;
    color: #333;
    font-size: 15px;
}

.consultation-phone {
    font-size: 13px;
    color: #666;
}

.consultation-time {
    margin-left: auto;
    font-size: 12px;
    color: #999;
}

.consultation-message {
    color: #555;
    line-height: 1.6;
    margin-top: 8px;
}

.message-label {
    font-weight: bold;
    color: #333;
}

/* 문의 섹션 */
.contact-section {
    padding: 80px 20px;
    background-color: #fff;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto 60px;
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
    border: 2px solid #ffd700;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
    font-size: 14px;
}

.form-group .required {
    color: #ff6b6b;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ffd700;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    margin: 0;
    font-weight: normal;
    font-size: 14px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background-color: #ffd700;
    color: #333;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #ffed4e;
}

.contact-info-footer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.contact-info-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.contact-info-item p {
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
}

.contact-link {
    display: inline-block;
    margin-top: 15px;
    color: #ffd700;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: color 0.3s;
}

.contact-link:hover {
    color: #ffed4e;
}

.kakao-btn {
    background-color: #fee500;
    color: #000;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.kakao-btn:hover {
    background-color: #fdd835;
}

/* 푸터 */
.footer {
    background-color: #ffd700;
    color: #333;
    padding: 50px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo-img {
    width: auto;
    object-fit: contain;
}

.footer-logo-desktop {
    display: block;
    width: 140px;
    height: 40px;
}

.footer-logo-mobile {
    display: none;
    width: 120px;
    height: 32px;
}

.footer-info p {
    margin-bottom: 10px;
    font-size: 14px;
    color: #333;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #000;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.2);
    color: #333;
    font-size: 14px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header .container {
        position: relative;
    }

    .logo-desktop {
        display: none;
    }
    
    .logo-mobile {
        display: block;
    }
    
    .menu-logo-desktop {
        display: none;
    }
    
    .menu-logo-mobile {
        display: block;
    }
    
    .inquiry-logo-desktop {
        display: none;
    }
    
    .inquiry-logo-mobile {
        display: block;
    }
    
    .footer-logo-desktop {
        display: none;
    }
    
    .footer-logo-mobile {
        display: block;
    }
    
    .menu-btn {
        font-size: 14px;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .product-section {
        padding: 30px 20px;
    }

    .product-header {
        flex-direction: column;
        gap: 10px;
    }

    .product-title {
        font-size: 24px;
    }

    .product-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .banner-image-wrapper {
        min-height: 400px;
        padding: 30px;
    }

    .banner-title {
        font-size: 36px;
    }

    .product-thumbnails {
        flex-direction: column;
        align-items: center;
    }

    .thumbnail-item img {
        width: 100%;
        max-width: 300px;
    }

    .spec-table th,
    .spec-table td {
        padding: 10px;
        font-size: 14px;
    }

    .spec-table th {
        width: 35%;
    }

    .realtime-consultation {
        padding: 50px 20px;
    }

    .consultation-box {
        min-height: 350px;
        padding: 20px;
    }

    .contact-section {
        padding: 50px 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }

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

    .contact-info-footer {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer {
        padding: 40px 20px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 고정 하단 문의폼 띠지 (데스크탑) */
.fixed-inquiry-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #ffd700;
    border-top: 3px solid rgba(0,0,0,0.1);
    box-shadow: 0 -3px 10px rgba(0,0,0,0.1);
    z-index: 999;
    padding: 10px 20px;
    display: none;
}

.inquiry-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.inquiry-bar-logo {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.inquiry-logo-img {
    width: auto;
    object-fit: contain;
}

.inquiry-logo-desktop {
    display: block;
    width: 140px;
    height: 40px;
}

.inquiry-logo-mobile {
    display: none;
    width: 120px;
    height: 32px;
}

.inquiry-bar-form {
    display: flex;
    gap: 10px;
    flex: 1;
    align-items: center;
}

.inquiry-bar-form input,
.inquiry-bar-form textarea {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.inquiry-bar-form input:focus,
.inquiry-bar-form textarea:focus {
    outline: none;
    border-color: #ffd700;
}

.inquiry-bar-form input {
    width: 150px;
}

.inquiry-bar-form textarea {
    flex: 1;
    resize: none;
    min-height: 40px;
}

.inquiry-submit-btn {
    padding: 10px 30px;
    background-color: #03C75A;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.3s;
}

.inquiry-submit-btn:hover {
    background-color: #02B350;
}

/* 모바일 하단 고정 버튼 */
.mobile-fixed-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: none;
    z-index: 999;
    gap: 0;
}

.mobile-kakao-btn,
.mobile-consult-btn {
    flex: 1;
    padding: 20px;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.mobile-kakao-btn {
    background-color: #fee500;
    color: #000;
}

.mobile-kakao-btn:active {
    opacity: 0.8;
}

.mobile-consult-btn {
    background-color: #03C75A;
    color: #fff;
}

.mobile-consult-btn:active {
    opacity: 0.8;
}

/* TOP 버튼 */
.top-btn {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #ffd700;
    color: #333;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
}

.top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.top-btn:hover {
    background-color: #ffed4e;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 하단 고정 아이콘 */
.fixed-contact-icons {
    position: fixed;
    right: 30px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 998;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    text-decoration: none;
}

.phone-icon {
    background-color: #03C75A;
    color: #fff;
}

.phone-icon:hover {
    background-color: #02B350;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.naver-icon {
    background-color: #03C75A;
    color: #fff;
}

.naver-icon:hover {
    background-color: #02B350;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.kakao-icon {
    background-color: #FEE500;
    color: #000;
}

.kakao-icon:hover {
    background-color: #FDD835;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 데스크탑에서만 고정 문의폼 표시 */
@media (min-width: 1024px) {
    .fixed-inquiry-bar {
        display: block;
    }
    
    .mobile-fixed-buttons {
        display: none;
    }
    
    .fixed-contact-icons {
        bottom: 100px;
    }
    
    .top-btn {
        bottom: 280px;
    }
}

/* 모바일에서만 하단 버튼 표시 */
@media (max-width: 1023px) {
    .fixed-inquiry-bar {
        display: none;
    }
    
    .mobile-fixed-buttons {
        display: flex;
    }
    
    .fixed-contact-icons {
        bottom: 90px;
        right: 20px;
    }
    
    .top-btn {
        bottom: 260px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
    }
    
    .contact-icon svg {
        width: 20px;
        height: 20px;
    }
}