@charset "UTF-8";

/* Root Variables for Global Design System */
:root {
    /* Typography */
    --font-family: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-small: 16px;
    --font-size-base: 18px;
    --font-size-large: 22px;
    --line-height: 1.75;

    /* Colors */
    --primary-color: #1c1c1e;
    --secondary-color: #007aff;
    --highlight-color: #34c759;
    --background-color: linear-gradient(145deg, #f5f5f7, #e9e9eb);
    --border-color: #d1d1d6;
    --inactive-color: #8e8e93;
    --hover-color: #0056d6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --focus-color: rgba(0, 122, 255, 0.2);

    /* Cards & Overlays */
    --card-background: rgba(255, 255, 255, 0.9);
    --card-hover-background: rgba(255, 255, 255, 1);
    --overlay-color: rgba(0, 0, 0, 0.3);

    /* Animation */
    --transition-speed: 0.25s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --max-content-width: 720px;
    --content-padding: 1.5rem;
    --border-radius: 12px;

    /* ads */
    --ads-margin: 16px auto;
    --ads-padding: 8px 0;
    --ads-max-width: 100%;
    --ads-border-radius: 8px;
}

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

/* Body Styles */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--primary-color);
    background: var(--background-color);
    line-height: var(--line-height);
    margin: 0;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Links */
a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--hover-color);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.5rem;
    line-height: 1.4;
    padding-bottom: 0.5rem;
    max-width: var(--max-content-width);
    text-transform: capitalize;
}

h1 {
    font-size: clamp(2.2rem, 2rem + 1vw, 3rem);
}

h2 {
    font-size: clamp(2rem, 1.7rem + 1vw, 2.5rem);
}

h3 {
    font-size: clamp(1.8rem, 1.5rem + 0.8vw, 2.2rem);
}

h4, h5, h6 {
    font-size: clamp(1.3rem, 1.2rem + 0.6vw, 1.8rem);
}

/* Buttons */
button,
input,
textarea {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: box-shadow var(--transition-speed), border-color var(--transition-speed);
}

button:focus,
input:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-color);
    border-color: var(--secondary-color);
}

button {
    padding: 0.65rem 1.25rem;
    background-color: var(--secondary-color);
    color: #fff;
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

button:hover {
    background-color: var(--hover-color);
}

button:active {
    transform: scale(0.97);
    background-color: var(--highlight-color);
}

/* Card Layout */
.card {
    max-width: var(--max-content-width);
    margin: var(--content-padding) auto;
    padding: 1.25rem 1.5rem;
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: box-shadow var(--transition-speed), transform var(--transition-speed);
}

.card:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    background: var(--card-hover-background);
    transform: translateY(-4px);
}

.card-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Utility classes */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-color);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

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

/* Responsive Adjustments */
@media (max-width: 768px) {
    body {
        font-size: var(--font-size-small);
    }

    h1, h2, h3, h4, h5, h6 {
        padding-bottom: 0.2rem;
    }

    button {
        font-size: var(--font-size-small);
        padding: 0.5rem 1rem;
    }

    .card {
        padding: 1rem 1.25rem;
    }
}

/* 공통 스타일 */
.skin_view .area_view h1,
.skin_view .area_view h2,
.skin_view .area_view h3,
.skin_view .area_view h4 {
    color: var(--primary-color, #1c1c1e);
    line-height: 1.5;
    margin: 2.5rem auto 1.5rem; /* 여백 조정 */
    max-width: min(95%, 720px);
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 1.2rem 1.8rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-left: 4px solid transparent; /* 기본 투명 경계 */
    border-radius: 12px;
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease-out;
}

/* 개별 스타일 */
.skin_view .area_view h1 {
    font-size: clamp(2rem, 1.9rem + 1vw, 2.6rem);
    border-left-color: #1c1c1e;
    background: rgba(247, 247, 249, 0.97);
}

.skin_view .area_view h2 {
    font-size: clamp(1.8rem, 1.6rem + 0.8vw, 2.3rem);
    border-left-color: #007aff;
    background: rgba(230, 240, 255, 0.95);
}

.skin_view .area_view h3 {
    font-size: clamp(1.6rem, 1.4rem + 0.7vw, 2rem);
    border-left-color: #ff3b30;
    background: rgba(255, 245, 246, 0.9);
}

.skin_view .area_view h4 {
    font-size: clamp(1.4rem, 1.2rem + 0.5vw, 1.8rem);
    border-left-color: #34c759;
    background: rgba(240, 255, 244, 0.9);
}

/* 호버 효과 */
.skin_view .area_view h1:hover,
.skin_view .area_view h2:hover,
.skin_view .area_view h3:hover,
.skin_view .area_view h4:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
    border-left-color: inherit;
}

/* 애니메이션 오버레이 효과 */
.skin_view .area_view h1::after,
.skin_view .area_view h2::after,
.skin_view .area_view h3::after,
.skin_view .area_view h4::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    opacity: 0;
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
    transform: scaleX(0);
}

.skin_view .area_view h1:hover::after,
.skin_view .area_view h2:hover::after,
.skin_view .area_view h3:hover::after,
.skin_view .area_view h4:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

/* 단락 스타일 */
.skin_view .area_view p {
    margin: 2rem auto;
    padding: 1.25rem 1.8rem;
    font-size: clamp(1rem, 1.125rem + 0.2vw, 1.4rem);
    line-height: 1.8;
    color: #1c1c1e;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05), 0 0 4px rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease-out;
}

.skin_view .area_view p:hover {
    background: rgba(255, 255, 255, 0.95);
}

/* Selection 효과 */
.skin_view .area_view h1::selection,
.skin_view .area_view h2::selection,
.skin_view .area_view h3::selection,
.skin_view .area_view h4::selection,
.skin_view .area_view p::selection {
    background: rgba(0, 122, 255, 0.15);
    color: #fff;
}

/* 반응형 조정 */
@media (max-width: 768px) {
    .skin_view .area_view h1,
    .skin_view .area_view h2,
    .skin_view .area_view h3,
    .skin_view .area_view h4 {
        padding: 1rem 1.2rem;
        margin: 2rem auto 1.2rem;
    }

    .skin_view .area_view p {
        padding: 1rem 1.2rem;
        margin: 1.5rem 1rem;
    }
}

/* 단락 스타일 */
.skin_view .area_view p {
    font-size: clamp(1rem, var(--font-size-large, 1.125rem) + 0.3vw, 1.4rem);
    line-height: 1.85;
    max-width: var(--max-content-width, 720px);
    text-align: justify;
    hyphens: auto;
    word-break: break-word;
    margin: 2rem auto !important; /* 단락 간 여백 */
    padding: 1.4rem 1.8rem; /* 패딩 최적화 */
    color: var(--primary-color, #1c1c1e);
    background: rgba(250, 250, 250, 0.95);
    border-radius: 12px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px) saturate(140%);
    -webkit-backdrop-filter: blur(6px) saturate(140%);
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

/* 단락 간 간격 조정 */
.skin_view .area_view p + p {
    margin-top: 1.8rem !important; /* 단락 사이 간격 */
}

/* 강조된 텍스트 */
.skin_view .area_view p > b,
.skin_view .area_view p > strong {
    display: inline-block;
    font-size: 1.125em;
    font-weight: 600;
    padding: 0.3em 0.5em;
    margin: 0.4em 0;
    background: rgba(255, 255, 255, 0.98);
    color: var(--primary-color, #1c1c1e);
    border: 1px solid rgba(220, 220, 220, 0.5);
    border-radius: 8px;
    box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.skin_view .area_view p > b:hover,
.skin_view .area_view p > strong:hover {
    background: rgba(245, 245, 245, 0.98);
    transform: scale(1.02);
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .skin_view .area_view p {
        padding: 1rem 1.2rem; /* 모바일에서 패딩 줄임 */
        font-size: 1rem; /* 글씨 크기 축소 */
    }

    .skin_view .area_view p + p {
        margin-top: 1.5rem !important;
    }
}

/* 제목 영역 */
.skin_view .area_title {
    margin: 0 1.25rem; /* 좌우 여백 */
    padding: 1.8rem 0 1rem; /* 상단/하단 패딩 최적화 */
    border-bottom: 1px solid rgba(220, 220, 220, 0.3); /* 은은한 경계선 */
    text-align: center;
    max-width: var(--max-content-width);
    margin-left: auto;
    margin-right: auto;
}

/* 제목 스타일 */
.skin_view .tit_post {
    margin: 0.5rem 0 0;
    padding: 0;
    font-weight: 500; /* 가볍고 세련된 가중치 */
    font-size: clamp(1.7rem, 2vw, 2.4rem); /* 가변 폰트 크기 */
    line-height: 1.5; /* 여유로운 줄 간격 */
    color: var(--primary-color, #1c1c1e); /* 기본 색상 */
    letter-spacing: -0.01em; /* 약간 좁은 글자 간격 */
    transition: color var(--transition-speed), transform var(--transition-speed);
}

/* 제목 호버 효과 */
.skin_view .tit_post:hover {
    color: var(--hover-color, #007aff); /* 강조 색상 변경 */
    transform: translateY(-2px); /* 미세한 움직임으로 시각적 포인트 */
}

@media (max-width: 768px) {
    .skin_view .tit_post {
        font-size: clamp(1.5rem, 1.8rem + 1vw, 2rem); /* 작은 화면에 맞게 조정 */
        letter-spacing: -0.005em; /* 모바일에서는 더 좁은 글자 간격 방지 */
    }
}

/* Content container styles */
.skin_view .area_view {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem;
    font-family: -apple-system, 'SF Pro Text', BlinkMacSystemFont, system-ui, sans-serif;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05), 0 2px 6px rgba(255, 255, 255, 0.1);
    transition: transform 0.4s ease, box-shadow 0.4s ease, background-color 0.4s ease;
    animation: fadeIn 0.5s ease-out forwards;
}

/* Article card style */
.article_skin {
    position: relative;
    width: 100%;
    max-width: 720px;
    margin: 2rem auto;
    padding: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px) saturate(135%);
    -webkit-backdrop-filter: blur(8px) saturate(135%);
    border-radius: 16px;
    border: 1px solid rgba(220, 220, 220, 0.5);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05), 0 3px 10px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    animation: fadeIn 0.5s ease-out forwards;
}

/* Hover effect for article card */
.article_skin:hover {
    transform: translateY(-5px);
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1), 0 6px 18px rgba(255, 255, 255, 0.15);
}

/* Fade-in animation */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .skin_view .area_view {
        padding: 1.5rem;
        border-radius: 14px;
    }

    .article_skin {
        padding: 0;
        border-radius: 14px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05), 0 2px 6px rgba(255, 255, 255, 0.1);
    }
}

/* 리스트 컨테이너 */
.list_content {
    padding: 2rem;
    width: 100%;
    max-width: 720px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out forwards;
}

.list_content:hover {
    transform: translateY(-5px);
    border-radius: 18px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1), 0 6px 16px rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 1);
}

/* 썸네일 이미지 */
.list_content .thumbnail_post {
    float: right;
    width: 10rem;
    height: 10rem;
    margin-left: 1.5rem;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.list_content .thumbnail_post:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 6px 12px rgba(0, 122, 255, 0.2);
}

/* 이미지 자체 */
.list_content .thumbnail_post img {
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

/* 타이틀 */
.list_content .tit_post {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1c1c1e;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    display: -webkit-box;
    max-height: 4.2rem;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease, transform 0.3s ease;
}

.list_content .tit_post:hover {
    color: #007aff;
    transform: translateY(-2px);
    text-shadow: 0 2px 8px rgba(0, 122, 255, 0.1);
}

/* 설명 텍스트 */
.list_content .txt_post {
    font-size: 1rem;
    line-height: 1.65;
    color: #555;
    margin-top: 0.5rem;
    display: -webkit-box;
    max-height: 5.2rem;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.list_content .txt_post:hover {
    color: #2a2a2a;
}

/* 애니메이션 */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 미디어 쿼리 (모바일 최적화) */
@media (max-width: 768px) {
    .list_content {
        padding: 1.5rem;
    }

    .list_content .thumbnail_post {
        width: 8rem;
        height: 8rem;
        margin-left: 1rem;
    }

    .list_content .tit_post {
        font-size: 1.3rem;
        max-height: 3.6rem;
    }

    .list_content .txt_post {
        font-size: 0.95rem;
        line-height: 1.5;
        max-height: 4.5rem;
    }
}

/* 페이징 영역 */
.area_paging {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 0;
    margin: 0 auto;
    gap: 1.2rem; /* 버튼 간격 확보 */
}

/* 페이징 버튼 */
.area_paging .inner_paging a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color, #333);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* 페이징 버튼 호버 효과 */
.area_paging .inner_paging a:hover {
    transform: translateY(-3px);
    background: rgba(245, 245, 245, 1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    color: var(--secondary-color, #007aff);
}

/* 비활성화된 버튼 */
.area_paging .no-more-prev,
.area_paging .no-more-next {
    pointer-events: none;
    cursor: default;
    opacity: 0.4;
}

.area_paging .no-more-prev svg,
.area_paging .no-more-next svg {
    fill: rgba(100, 100, 100, 0.5);
}

/* 버튼 내 SVG 아이콘 */
.area_paging .inner_paging a svg {
    width: 1.4rem;
    height: 1.4rem;
    fill: var(--primary-color, #333);
    transition: transform 0.2s ease, fill 0.2s ease;
}

.area_paging .inner_paging a:hover svg {
    transform: scale(1.1);
    fill: var(--secondary-color, #007aff);
}

/* 키보드 포커스 */
.area_paging .inner_paging a:focus {
    outline: none;
    border: 2px solid var(--secondary-color, #007aff);
    box-shadow: 0 0 8px rgba(0, 122, 255, 0.5);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .area_paging .inner_paging a {
        width: 2.8rem;
        height: 2.8rem;
        font-size: 1rem;
    }

    .area_paging .inner_paging a svg {
        width: 1.2rem;
        height: 1.2rem;
    }
}

/* 리스트 컨테이너 - 기본 마커 제거 */
.skin_view .area_view ul,
.skin_view .area_view ol {
    list-style: none !important; /* 기본 마커 제거 */
    margin: 2.5rem 1.5rem !important; /* 단락과 리스트 간 여백 강제 적용 */
    padding-left: 2rem;
}

/* Ordered List 부모에서 카운터 리셋 */
.skin_view .area_view ol {
    counter-reset: list-counter;
}

.skin_view .area_view ol > li {
    counter-increment: list-counter;
}

/* 리스트 항목 기본 스타일 */
.skin_view .area_view li {
    list-style: none !important; /* 기본 마커 강제 제거 */
    position: relative;
    font-family: var(--e-global-typography-text-font-family, -apple-system, "SF Pro Display", ui-sans-serif, sans-serif);
    font-size: 1.05rem;
    line-height: 1.8;
    letter-spacing: -0.01em;
    margin-bottom: 1.2rem;
    padding: 1.2rem 1.8rem;
    color: #0F172A;
    font-weight: 500;
    background: rgba(245, 245, 245, 0.95);
    border: 1px solid rgba(230, 230, 230, 0.8);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    text-align: justify;
    word-break: break-word;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Unordered List 마커 (초록색) */
.skin_view .area_view ul > li::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.2rem;
    height: 1.2rem;
    background: linear-gradient(135deg, #34D399, #059669);
    border-radius: 50%;
    box-shadow: 0 3px 6px rgba(34, 197, 94, 0.25);
    transition: transform 0.25s ease-in-out, box-shadow 0.25s ease-in-out;
}

/* Ordered List 번호 마커 (파란색) */
.skin_view .area_view ol > li::before {
    content: counter(list-counter); /* 카운터 숫자 */
    position: absolute;
    left: -2.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    font-size: 1.15rem;
    width: 1.8rem;
    height: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563EB;
    background: rgba(220, 235, 255, 0.95);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(96, 165, 250, 0.1);
}

/* Hover Effects */
.skin_view .area_view li:hover {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.skin_view .area_view ul > li:hover::before,
.skin_view .area_view ol > li:hover::before {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 122, 255, 0.2);
}

/* 첫 번째 및 마지막 항목 여백 조정 */
.skin_view .area_view ul > li:first-child,
.skin_view .area_view ol > li:first-child {
    margin-top: 0.8rem;
}

.skin_view .area_view ul > li:last-child,
.skin_view .area_view ol > li:last-child {
    margin-bottom: 0.8rem;
}

/* Selection Style */
.skin_view .area_view li::selection {
    background: rgba(96, 165, 250, 0.1);
    color: #2563EB;
}

/* 서브 리스트 스타일 */
.skin_view .area_view ul ul,
.skin_view .area_view ol ol {
    margin-bottom: 0;
    list-style: none !important; /* 중첩 리스트의 기본 마커 제거 */
    margin-top: 1.2rem !important;
    padding-left: 2rem;
}

.skin_view .area_view ul ul li::before,
.skin_view .area_view ol ol li::before {
    width: 0.8rem;
    height: 0.8rem;
    background: linear-gradient(135deg, #60A5FA, #2563EB);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.15);
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .skin_view .area_view li {
        padding: 1rem 1.2rem;
    }

    .skin_view .area_view ul > li::before,
    .skin_view .area_view ol > li::before {
        left: -1.8rem;
        width: 1rem;
        height: 1rem;
    }

    .skin_view .area_view ol > li::before {
        font-size: 1rem;
        width: 1.4rem;
        height: 1.4rem;
    }

    .skin_view .area_view ul,
    .skin_view .area_view ol {
        margin: 2rem 1rem !important;
    }
}

/* 강조 텍스트 기본 스타일 */
.skin_view .area_view b,
.skin_view .area_view strong {
    display: inline-block;
    position: relative;
    font-size: 1.125em;
    font-weight: 600;
    letter-spacing: -0.015em;
    padding: 0.35em 0.6em;
    margin: 0 0.3em;
    line-height: 1.6;
    color: #1c1c1e;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(220, 220, 220, 0.7);
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 0 5px rgba(255, 255, 255, 0.2) inset;
    transform-origin: center;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

/* 강조 텍스트 하단 장식 */
.skin_view .area_view b::before,
.skin_view .area_view strong::before {
    content: '';
    position: absolute;
    bottom: 0.2em;
    left: 0.25em;
    right: 0.25em;
    height: 0.15em;
    background: rgba(255, 193, 7, 0.25);
    border-radius: 2px;
    opacity: 0.8;
    transform-origin: bottom;
    transition: height 0.3s ease, background 0.3s ease;
    z-index: -1;
}

/* 강조 텍스트 상단 장식 */
.skin_view .area_view b::after,
.skin_view .area_view strong::after {
    content: '';
    position: absolute;
    top: 0.2em;
    left: 0.25em;
    right: 0.25em;
    height: 0.1em;
    background: rgba(50, 215, 75, 0.15);
    border-radius: 2px;
    opacity: 0;
    transform: scaleX(0.5);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hover State */
.skin_view .area_view b:hover,
.skin_view .area_view strong:hover {
    color: #000;
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 0 6px rgba(255, 255, 255, 0.3) inset;
}

.skin_view .area_view b:hover::before,
.skin_view .area_view strong:hover::before {
    height: 0.25em;
    background: rgba(255, 145, 0, 0.35);
}

.skin_view .area_view b:hover::after,
.skin_view .area_view strong:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

/* Active State */
.skin_view .area_view b:active,
.skin_view .area_view strong:active {
    transform: translateY(1px) scale(0.98);
    background: rgba(250, 250, 250, 0.9);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Selection Style */
.skin_view .area_view b::selection,
.skin_view .area_view strong::selection {
    background: rgba(255, 193, 7, 0.2);
    color: #000;
}

/* Animation */
@keyframes elegantEmphasis {
    0% {
        opacity: 0;
        transform: translateY(8px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .skin_view .area_view b,
    .skin_view .area_view strong {
        padding: 0.3em 0.5em;
        font-size: 1em;
    }

    .skin_view .area_view b::before,
    .skin_view .area_view strong::before,
    .skin_view .area_view b::after,
    .skin_view .area_view strong::after {
        left: 0.15em;
        right: 0.15em;
    }
}

/* 이미지 컨테이너 */
.skin_view .img_view {
    width: 100%;
    height: auto;
    margin: 1.5rem 0;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(255, 255, 255, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

/* 호버 시 확대 및 강조 */
.skin_view .img_view:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(255, 255, 255, 0.1);
    cursor: zoom-in;
}

/* 기본 이미지 스타일 */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: inherit;
    border: 1px solid rgba(220, 220, 220, 0.4);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* 호버 시 부드러운 강조 */
img:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12), 0 6px 18px rgba(255, 255, 255, 0.1);
}

/* 라운드형 섬네일 스타일 */
.img-thumbnail {
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.img-thumbnail:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

/* 가상 요소 제거 (불필요한 자원 사용 방지) */
img::before {
    content: none;
}

/* 미디어 쿼리 (모바일 최적화) */
@media (max-width: 768px) {
    .skin_view .img_view {
        margin: 1rem 0;
        border-radius: 12px;
    }

    img {
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.07);
    }

    .img-thumbnail {
        width: 6.5rem;
        height: 6.5rem;
    }
}

/* Premium Button Base Styles */
.btn-blue,
.btn-red {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 40rem;
    padding: 1.6rem 3rem;
    margin: 2rem auto;
    border-radius: 3rem;
    background-clip: padding-box;
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.2);

    /* Typography */
    font-family: var(--e-global-typography-text-font-family, -apple-system, sans-serif);
    font-size: clamp(1.2rem, 1rem + 0.4vw, 1.6rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: #fff;
    cursor: pointer;
    text-decoration: none;

    /* Effects */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    overflow: hidden;
}

/* Blue Button */
.btn-blue {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.9), rgba(0, 200, 255, 0.9));
}

/* Red Button */
.btn-red {
    background: linear-gradient(135deg, rgba(255, 45, 85, 0.9), rgba(255, 90, 100, 0.9));
}

/* Shine Effect */
.btn-blue::before,
.btn-red::before {
    content: '';
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    transform: translate(-100%, -100%) rotate(-45deg);
    animation: shine-effect 4s infinite cubic-bezier(0.4, 0, 0.6, 1);
    z-index: 1;
    opacity: 0.7;
    pointer-events: none;
}

/* Subtitle Text */
.btn-blue::after,
.btn-red::after {
    content: "자세히 보기";
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(0.9rem, 0.85rem + 0.2vw, 1.1rem);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    opacity: 0;
    transition: opacity 0.3s ease, bottom 0.3s ease;
}

/* Hover State */
.btn-blue:hover,
.btn-red:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.btn-blue:hover::after,
.btn-red:hover::after {
    opacity: 1;
    bottom: 1.5rem;
}

/* Active State */
.btn-blue:active,
.btn-red:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    filter: brightness(0.96);
}

/* Shine Animation */
@keyframes shine-effect {
    0% {
        transform: translate(-100%, -100%) rotate(-45deg);
        opacity: 0;
    }
    25% {
        opacity: 1;
    }
    75% {
        opacity: 1;
    }
    100% {
        transform: translate(100%, 100%) rotate(-45deg);
        opacity: 0;
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .btn-blue,
    .btn-red {
        padding: 1.4rem 2.6rem;
        font-size: clamp(1.1rem, 1rem + 0.3vw, 1.4rem);
    }

    .btn-blue::after,
    .btn-red::after {
        font-size: 0.9rem;
    }
}

/* 기본 테이블 스타일 */
table {
    width: 100%;
    max-width: 720px;
    margin: 2rem auto;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

table:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* 테이블 헤더 */
thead th {
    padding: 1.5rem 1.8rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.9), rgba(0, 200, 255, 0.85));
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

thead th:hover {
    background: linear-gradient(135deg, rgba(0, 110, 220, 1), rgba(0, 160, 240, 0.95));
}

/* 셀 스타일 */
td {
    padding: 1.4rem 1.6rem;
    font-size: 1rem;
    line-height: 1.6;
    color: #1d1d1f;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

td:hover {
    background: rgba(245, 245, 247, 0.9);
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

/* 홀수 및 짝수 행 배경 */
tr:nth-child(odd) td {
    background: rgba(250, 250, 250, 0.98);
}

tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.98);
}

/* 테이블 모서리 둥글기 */
th:first-child {
    border-top-left-radius: 16px;
}

th:last-child {
    border-top-right-radius: 16px;
}

tr:last-child td:first-child {
    border-bottom-left-radius: 16px;
}

tr:last-child td:last-child {
    border-bottom-right-radius: 16px;
}

/* 이미지 스타일 */
td img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}

td img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Sticky 헤더 */
thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

/* 텍스트 선택 효과 */
td::selection {
    background: rgba(0, 122, 255, 0.1);
    color: #1d1d1f;
}

/* 테이블 내용이 넘칠 때 처리 */
.table-wrapper {
    overflow-x: auto;
    padding-bottom: 1rem;
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    table {
        border-radius: 12px;
    }

    thead th {
        padding: 1rem 1.2rem;
        font-size: 1rem;
    }

    td {
        padding: 1.2rem;
        font-size: 0.9rem;
    }

    td img {
        width: 40px;
        height: 40px;
    }
}

.modal {
    display: none; 
}

.modal {
    position: fixed;
    z-index: 999; /* 최상단 */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* 어두운 반투명 배경 */
    backdrop-filter: blur(10px); /* 블러 효과 */
    display: flex; /* 플렉스 레이아웃 */
    justify-content: center; /* 가로 중앙 정렬 */
    align-items: center; /* 세로 중앙 정렬 */
    animation: fadeIn 0.4s ease-out;
    max-width: 100vw;
    max-height: 100vh;
    overflow: auto;
}

.modal-content {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    width: 90%;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    animation: scaleUp 0.3s ease-out;
    transform-origin: center;
    font-family: 'SF Pro Text', Arial, sans-serif;
    font-size: 18px;
    color: #333;
    line-height: 1.6;
}

.modal .close {
    position: fixed;
    top: 20px;
    right: 20px;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.3s ease, transform 0.3s ease;
}

.modal .close:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
}

@keyframes scaleUp {
    from {
        transform: scale(0.8);
    }
    to {
        transform: scale(1);
    }
}

/* 광고 레이아웃 */
.ads {
    margin: var(--ads-margin);
    padding: var(--ads-padding);
    max-width: var(--ads-max-width);
    border-radius: var(--ads-border-radius);
    text-align: center; /* 광고 중앙 정렬 */
}

/* 반응형 디자인 */
@media (min-width: 768px) {
    .ads {
        padding: 16px;
    }
}

@media (min-width: 1024px) {
    .ads {
        margin: 24px auto;
        max-width: 728px; /* 데스크톱용 넓은 광고 지원 */
    }
}

/* 비율 조절 */
.adsbygoogle {
    display: block !important;
    width: 100% !important;
    height: auto !important; /* 콘텐츠 크기에 맞춰 조절 */
}

/* 목차 컨테이너 */
.book-toc {
    width: min(90%, 540px);
    margin: 2rem auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px) saturate(130%);
    -webkit-backdrop-filter: blur(8px) saturate(130%);
    transition: transform 0.3s ease-out, box-shadow 0.3s ease;
    overflow: hidden;
}

/* 목차 헤더 */
.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.6rem 2rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(240, 242, 245, 0.9));
    border-bottom: 1px solid rgba(220, 225, 230, 0.5);
    border-radius: 16px 16px 0 0;
    cursor: pointer;
    transition: background 0.25s ease, box-shadow 0.25s ease;
}

.toc-header:hover {
    background: rgba(248, 249, 251, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.toc-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.01em;
}

.toc-arrow {
    font-size: 1.4rem;
    color: #6b7280;
    transition: transform 0.3s ease, color 0.25s ease;
}

.book-toc.expanded .toc-arrow {
    transform: rotate(180deg);
    color: #1c1c1e;
}

/* 목차 콘텐츠 */
#toc {
    display: none;
    max-height: 0;
    opacity: 0;
    padding: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.4s ease;
}

.book-toc.expanded #toc {
    display: block;
    max-height: 60vh;
    opacity: 1;
    padding: 1.6rem 2rem;
    overflow-y: auto;
}

/* 목차 리스트 */
.toc-list {
    padding: 0;
    margin: 0;
    list-style: none;
}

.toc-item {
    margin: 0.8rem 0;
}

.toc-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(250, 250, 250, 0.95);
    border: 1px solid rgba(240, 240, 240, 0.8);
    border-radius: 12px;
    color: #1e293b;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.2s ease-out, box-shadow 0.2s ease;
}

.toc-link:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateX(6px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    color: #2563eb;
}

.toc-link.active {
    background: rgba(37, 99, 235, 0.1);
    font-weight: 600;
}

/* 목차 번호 스타일 */
.toc-link::before {
    content: attr(data-number);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
    font-weight: 700;
    color: #2563eb;
    background: rgba(230, 240, 255, 0.9);
    border-radius: 50%;
    box-shadow: 0 3px 6px rgba(96, 165, 250, 0.1);
    transition: transform 0.2s ease;
}

.toc-link:hover::before {
    transform: scale(1.1);
}

/* 서브 리스트 계층 */
.toc-h3 {
    padding-left: 1.5rem;
}

.toc-h4 {
    padding-left: 2rem;
}

/* 스크롤바 스타일 */
#toc::-webkit-scrollbar {
    width: 8px;
}

#toc::-webkit-scrollbar-thumb {
    background: rgba(37, 99, 235, 0.2);
    border-radius: 4px;
}

#toc::-webkit-scrollbar-thumb:hover {
    background: rgba(37, 99, 235, 0.4);
}

/* 목차 클릭 시 부드럽게 이동 */
.toc-link:focus {
    outline: none;
    background: rgba(37, 99, 235, 0.08);
    box-shadow: 0 0 4px rgba(37, 99, 235, 0.5);
}

/* 목차 열기 시 애니메이션 */
.book-toc:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

@keyframes expand-toc {
    0% {
        opacity: 0;
        max-height: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        max-height: 60vh;
        transform: translateY(0);
    }
}

.book-toc.expanded #toc {
    animation: expand-toc 0.4s ease-out;
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .book-toc {
        width: min(95%, 400px);
        border-radius: 12px;
    }

    .toc-header {
        padding: 1.2rem 1.6rem;
    }

    .toc-title {
        font-size: 1.3rem;
    }

    .toc-link {
        padding: 0.8rem 1.2rem;
        font-size: 1rem;
    }

    .toc-link::before {
        width: 1.6rem;
        height: 1.6rem;
        font-size: 0.9rem;
    }
}

/* OpenGraph 컨테이너 */
.opengraph-container {
    position: relative;
    max-width: 720px;
    margin: 6rem auto;
    border-radius: 28px;
    background: linear-gradient(158deg, #ffffff, #f8faff);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.02), 0 12px 32px rgba(0, 0, 0, 0.01);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.02);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.opengraph-container:hover {
    transform: translateY(-6px);
    box-shadow: 0 50px 120px rgba(0, 0, 0, 0.03), 0 18px 40px rgba(0, 0, 0, 0.02);
}

/* OpenGraph 이미지 섹션 */
.opengraph-image {
    width: 100%;
    height: 460px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(220, 225, 230, 0.5);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.4, 1);
}

.opengraph-container:hover .opengraph-image {
    transform: scale(1.02);
}

.opengraph-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 220px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 60%,
        rgba(255, 255, 255, 1) 100%
    );
    pointer-events: none;
}

/* OpenGraph 텍스트 섹션 */
.opengraph-text {
    padding: 3.5rem 4rem;
    background: linear-gradient(166deg, rgba(255, 255, 255, 0.92), #ffffff);
}

.opengraph-text h2 {
    font-family: var(--e-global-typography-text-font-family, -apple-system, sans-serif);
    font-size: 2.4rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 2rem;
    line-height: 1.5;
    letter-spacing: -0.015em;
}

.opengraph-text p {
    font-size: 1.2rem;
    color: #475569;
    line-height: 1.8;
    margin-bottom: 1.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.opengraph-text span {
    font-size: 1rem;
    color: #64748b;
    text-align: right;
    font-weight: 500;
    display: block;
}

/* 프리미엄 버튼 */
.ticket-button {
    text-align: center;
    margin: 5rem 0;
}

.ticket-button .btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80%;
    max-width: 46rem;
    padding: 2.4rem 5rem;

    font-family: var(--e-global-typography-text-font-family, -apple-system, sans-serif);
    font-size: clamp(1.4rem, 1.2rem + 0.4vw, 1.8rem);
    font-weight: 600;
    text-transform: uppercase;
    color: #ffffff;

    background: linear-gradient(165deg, rgba(0, 123, 255, 0.95), rgba(0, 200, 255, 0.95));
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 5rem;

    box-shadow: 0 2rem 3.5rem rgba(0, 123, 255, 0.25), inset 0 0.25rem 0.5rem rgba(255, 255, 255, 0.15);
    transition: transform 0.3s cubic-bezier(0.3, 1, 0.4, 1), box-shadow 0.3s cubic-bezier(0.3, 1, 0.4, 1);
    cursor: pointer;
}

.ticket-button .btn:hover {
    transform: translateY(-6px) scale(1.02);
    background: linear-gradient(165deg, rgba(0, 140, 255, 0.95), rgba(0, 220, 255, 0.95));
    box-shadow: 0 3.5rem 5rem rgba(0, 123, 255, 0.25), inset 0 0.25rem 0.5rem rgba(255, 255, 255, 0.2);
}

.ticket-button .btn:focus {
    outline: 3px solid rgba(0, 123, 255, 0.5);
    box-shadow: 0 0 0 6px rgba(0, 123, 255, 0.2);
}

.ticket-button .btn:active {
    transform: scale(0.98);
    background: linear-gradient(165deg, rgba(0, 110, 235, 0.95), rgba(0, 190, 235, 0.95));
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .opengraph-container {
        max-width: 100%;
        margin: 4rem auto;
        border-radius: 24px;
    }

    .opengraph-image {
        height: 280px;
    }

    .opengraph-text {
        padding: 2.5rem;
    }

    .opengraph-text h2 {
        font-size: 2rem;
    }

    .opengraph-text p {
        font-size: 1rem;
    }

    .ticket-button .btn {
        padding: 2rem 4rem;
    }
}

/* dl 요소 기본 스타일 */
dl {
    width: 100%;
    max-width: 720px;
    margin: 2.5rem auto;
    padding: 2rem 2.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px) saturate(140%);
    border-radius: 16px;
    border: 1px solid rgba(240, 240, 240, 0.3);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08), 0 2px 10px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    animation: fadeIn 0.5s ease-in-out;
}

/* 호버 시 강조 효과 */
dl:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(255, 255, 255, 0.15);
}

/* 정의 제목 (dt) */
dt {
    font-size: 1.6rem;
    font-weight: 600;
    color: #1e293b;
    margin-top: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid rgba(0, 122, 255, 0.15);
    letter-spacing: -0.01em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* 첫 번째 dt 요소 상단 여백 제거 */
dl:first-child dt:first-of-type {
    margin-top: 0;
}

/* 정의 내용 (dd) */
dd {
    font-size: 1.125rem;
    color: #374151;
    line-height: 1.75;
    padding-top: 1.2rem;
    margin-bottom: 1.5rem;
    text-align: justify;
    letter-spacing: -0.02em;
    position: relative;
}

/* 강조된 텍스트 스타일 */
dd b {
    display: inline-block;
    color: #2563eb;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background-color: rgba(37, 99, 235, 0.05);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

/* 강조된 텍스트 hover 시 효과 */
dd b:hover {
    background-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

/* 특정 키워드 강조 */
dd b[data-label="무료 다운로드"] {
    color: #16a34a;
    background-color: rgba(16, 185, 129, 0.1);
}

/* 강조된 텍스트 레이블 */
dd b::after {
    content: attr(data-label);
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #2563eb;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 6px;
    margin-left: 0.5rem;
}

/* 강조된 텍스트 레이블 hover */
dd b:hover::after {
    background-color: rgba(16, 185, 129, 0.1);
    color: #16a34a;
}

/* 애니메이션 효과 */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    dl {
        padding: 1.8rem 2rem;
    }

    dt {
        font-size: 1.4rem;
    }

    dd {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* iframe 스타일 */
iframe {
    display: block;
    width: 100%;
    max-width: 720px; /* 콘텐츠 폭 제한 */
    height: 450px; /* 균형 잡힌 높이 */
    margin: 2.5rem auto; /* 상하 여백 */
    border: none; /* 기본 테두리 제거 */
    border-radius: 16px; /* 부드러운 모서리 */
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.08),
        0 12px 24px rgba(0, 0, 0, 0.05),
        inset 0 0 1px rgba(255, 255, 255, 0.2); /* 부드러운 그림자 및 inset 효과 */
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease-out;
    overflow: hidden;
    isolation: isolate; /* blur 최적화 */
}

/* 호버 효과 */
iframe:hover {
    transform: scale(1.015) translateY(-4px); /* 확대 및 상승 효과 */
    box-shadow:
        0 8px 20px rgba(0, 0, 0, 0.1),
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 0 2px rgba(255, 255, 255, 0.3);
}

/* 클릭 시 효과 */
iframe:active {
    transform: scale(0.995);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.1),
        0 10px 20px rgba(0, 0, 0, 0.05),
        inset 0 0 3px rgba(255, 255, 255, 0.2);
}

/* 반응형 처리 */
@media (max-width: 768px) {
    iframe {
        height: 300px; /* 모바일 환경에서 높이 조정 */
        border-radius: 12px; /* 모서리 반경 축소 */
    }
}