/* ===================================================
   ㈜케이스카이비 홈페이지 - Main Stylesheet v2
   Premium Corporate Design
   =================================================== */

/* ========== CSS Variables ========== */
:root {
    --primary: #156AB0;
    --primary-light: #1a7bc8;
    --primary-bright: #579ACE;
    --accent: #3da5d9;
    --accent-light: #6dbde6;
    --accent-glow: rgba(87, 154, 206, 0.12);
    --dark: #0d2e52;
    --text: #2d3748;
    --text-light: #718096;
    --text-muted: #a0aec0;
    --bg: #ffffff;
    --bg-light: #f7f9fc;
    --bg-section: #f0f4f8;
    --border: #e2e8f0;
    --border-light: #edf2f7;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 72px;
    --font: -apple-system, BlinkMacSystemFont, 'Malgun Gothic', '맑은 고딕', 'Apple SD Gothic Neo', 'Segoe UI', sans-serif;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.7;
    background: var(--bg);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== Scroll Animations ========== */
.fade-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in { opacity: 1; transform: translateY(0); }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ========== HEADER ========== */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition);
}
.header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}
.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-h);
}

/* Logo */
.logo a { display: flex; align-items: center; }
.logo-img { height: 38px; width: auto; display: block; }

/* Navigation */
.gnb .nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item > a {
    display: block; padding: 10px 20px; font-size: 0.9rem; font-weight: 600;
    color: var(--text); border-radius: var(--radius-sm);
    transition: all var(--transition); letter-spacing: 0.3px; position: relative;
}
.nav-item > a::after {
    content: ''; position: absolute; bottom: 4px; left: 50%;
    width: 0; height: 2px; background: var(--accent);
    transition: all var(--transition); transform: translateX(-50%); border-radius: 2px;
}
.nav-item > a:hover::after, .nav-item.active > a::after { width: 20px; }
.nav-item > a:hover, .nav-item.active > a { color: var(--primary); }

/* Dropdown */
.has-sub { position: relative; }
.has-sub .sub-nav {
    position: absolute; top: calc(100% + 8px); left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px; background: #fff; border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden;
    transition: all 0.25s ease; padding: 10px; border: 1px solid var(--border-light);
}
.has-sub .sub-nav::before {
    content: ''; position: absolute; top: -6px; left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px; height: 12px; background: #fff;
    border-left: 1px solid var(--border-light); border-top: 1px solid var(--border-light);
}
.has-sub:hover .sub-nav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-nav a {
    display: block; padding: 10px 16px; font-size: 0.88rem; font-weight: 500;
    color: var(--text-light); border-radius: var(--radius-sm); transition: all 0.2s ease;
}
.sub-nav a:hover, .sub-nav a.active { color: var(--primary); background: var(--accent-glow); }
.nav-toggle i { font-size: 0.65rem; margin-left: 2px; transition: transform var(--transition); }
.has-sub:hover .nav-toggle i { transform: rotate(180deg); }

/* Language */
.lang-select { display: flex; gap: 2px; background: var(--bg-light); border-radius: 6px; padding: 3px; }
.lang-btn { padding: 5px 12px; font-size: 0.75rem; font-weight: 600; border-radius: 4px; color: var(--text-muted); transition: all 0.2s ease; letter-spacing: 0.5px; }
.lang-btn.active, .lang-btn:hover { color: #fff; background: var(--primary); }

/* Mobile Menu */
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 5px; background: none;
    border: none; cursor: pointer; padding: 8px; border-radius: var(--radius-sm);
}
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== MAIN VISUAL ========== */
.main-visual {
    margin-top: var(--header-h); position: relative; overflow: hidden;
    min-height: 600px; display: flex; align-items: center; justify-content: center;
    background-size: cover; background-position: center; background-repeat: no-repeat;
}
.visual-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 0;
}
.visual-inner { position: relative; z-index: 1; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.visual-text { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; }
.visual-sub {
    font-size: 1.6rem; color: rgba(255,255,255,0.9); font-weight: 700;
    letter-spacing: 1px; margin: 0;
    text-shadow: 1px 2px 4px rgba(0,0,0,0.35);
}
.visual-title {
    font-size: 4.75rem; font-weight: 700; line-height: 1.1; margin: 0;
    color: #fff; letter-spacing: 2px;
    text-shadow: 2px 3px 6px rgba(0,0,0,0.4);
}
.visual-desc { font-size: 1.15rem; color: rgba(255,255,255,0.95); font-weight: 400; line-height: 1.8; letter-spacing: 1px; text-shadow: 1px 2px 4px rgba(0,0,0,0.35); margin: 0; }

/* 히어로 페이드업 애니메이션 */
@keyframes fadeUpIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes clipReveal {
    from { clip-path: inset(0 100% 0 0); opacity: 0; }
    to { clip-path: inset(0 0 0 0); opacity: 1; }
}
@keyframes scaleIn {
    0% { opacity: 0; transform: scale(0.6); letter-spacing: 20px; }
    60% { opacity: 1; transform: scale(1.05); letter-spacing: 4px; }
    100% { opacity: 1; transform: scale(1); letter-spacing: 2px; }
}
.fade-up { opacity: 0; animation: fadeUpIn 1s ease-out forwards; }
.fade-up.delay1 { animation: clipReveal 1s cubic-bezier(0.25,0.46,0.45,0.94) forwards; animation-delay: 0.3s; }
.fade-up.delay2 { animation: scaleIn 1.2s cubic-bezier(0.25,0.46,0.45,0.94) forwards; animation-delay: 0.8s; }
.fade-up.delay3 { animation: fadeUpIn 1s ease-out forwards; animation-delay: 1.6s; }
.delay1 { animation-delay: 0.3s; }
.delay2 { animation-delay: 0.7s; }
.delay3 { animation-delay: 1.1s; }

/* ========== PAGE HERO ========== */
.page-hero {
    margin-top: var(--header-h); position: relative;
    background: linear-gradient(160deg, var(--dark), var(--primary), var(--primary-light));
    color: #fff; padding: 70px 0 60px; text-align: center; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 25% 25%, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}
.page-title { position: relative; font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.5px; }
.page-subtitle { position: relative; font-size: 1rem; opacity: 0.7; font-weight: 400; }

/* ========== SECTIONS ========== */
.section { padding: 100px 0; position: relative; }
.section-title {
    text-align: center; font-size: 2rem; font-weight: 800; color: var(--primary);
    margin-bottom: 12px; letter-spacing: -0.5px;
}
.section-title::after {
    content: ''; display: block; width: 40px; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary-bright));
    margin: 16px auto 0; border-radius: 3px;
}
.section-desc {
    text-align: center; color: var(--text-light); font-size: 1rem;
    margin-bottom: 56px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.7;
}

/* ========== SERVICE ROW (kskyb.com style) ========== */
.business-area { background: var(--bg); }
.service-row {
    display: flex; align-items: center; gap: 60px;
    margin-bottom: 70px;
}
.service-row:last-child { margin-bottom: 0; }
.service-row.reverse { flex-direction: row-reverse; }
.service-row-img {
    flex: 0 0 48%; max-width: 48%;
}
.service-row-img img {
    width: 100%; border-radius: var(--radius-lg);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.service-row-img img:hover {
    transform: scale(1.02); box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}
.service-row-text { flex: 1; }
.service-row-text h3 {
    font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 12px;
}
.service-row-text .service-tag {
    font-size: 0.88rem; color: var(--accent); margin-bottom: 16px; font-weight: 600; letter-spacing: 0.3px;
}
.service-row-text .service-desc {
    font-size: 0.95rem; color: var(--text-light); line-height: 1.8; margin-bottom: 24px;
}
.service-link-btn {
    display: inline-block; padding: 10px 28px; font-size: 0.88rem; font-weight: 600;
    color: var(--primary); border: 2px solid var(--primary); border-radius: 50px;
    transition: all 0.3s ease; text-decoration: none;
}
.service-link-btn:hover {
    background: var(--primary); color: #fff;
}
@media (max-width: 768px) {
    .service-row, .service-row.reverse { flex-direction: column; gap: 30px; }
    .service-row-img { flex: none; max-width: 100%; }
    .service-row-text h3 { font-size: 1.25rem; }
}

/* ========== SERVICE DETAIL ========== */
.service-detail { padding-top: 70px; }
.service-intro { text-align: center; margin-bottom: 64px; }
.service-intro h2 { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.service-intro p { font-size: 1.05rem; color: var(--text-light); max-width: 600px; margin: 0 auto; line-height: 1.8; }
.service-notice {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
    padding: 10px 22px; background: #fffbeb; color: #92400e; border-radius: 50px;
    font-size: 0.88rem; font-weight: 500; border: 1px solid #fde68a;
}
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 64px; }
.feature-item {
    text-align: center; padding: 44px 28px; background: #fff;
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 22px; transition: all var(--transition);
}
.feature-item:hover .feature-icon { transform: scale(1.1) rotate(5deg); }
.feature-icon i { font-size: 1.5rem; color: #fff; }
.feature-item h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.feature-item p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }

.service-strengths { background: var(--bg-section); border-radius: var(--radius-lg); padding: 44px; border: 1px solid var(--border-light); }
.service-strengths h2 { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
.service-strengths li { padding: 14px 0; font-size: 0.95rem; color: var(--text); border-bottom: 1px solid var(--border); transition: padding-left var(--transition); }
.service-strengths li:hover { padding-left: 8px; color: var(--primary); }
.service-strengths li:last-child { border-bottom: none; }
.service-strengths li strong { color: var(--primary); }

/* ========== MOBILE SERVICE ========== */
.mobile-intro { text-align: center; margin-bottom: 56px; }
.mobile-intro-desc {
    font-size: 1.1rem; color: var(--text); line-height: 1.9; max-width: 700px; margin: 0 auto;
}
.mobile-services { margin-bottom: 72px; }
.mobile-service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.mobile-service-card {
    text-align: center; padding: 36px 20px; background: #fff;
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.mobile-service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.mobile-service-img { width: 80px; height: 80px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; }
.mobile-service-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.mobile-service-img.rcs-illust svg { width: 80px; height: 80px; }
.mobile-service-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.mobile-service-en { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 1px; font-weight: 600; margin-bottom: 14px; text-transform: uppercase; }
.mobile-service-desc { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
.mobile-section-title {
    text-align: center; font-size: 1.3rem; font-weight: 800; color: var(--primary);
    margin-bottom: 40px; position: relative; display: inline-block; width: 100%;
}
.mobile-section-title::after {
    content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%);
    width: 48px; height: 3px; background: var(--primary); border-radius: 2px;
}
.mobile-strength-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.mobile-strength-item {
    padding: 32px; background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); transition: all var(--transition);
}
.mobile-strength-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.mobile-strength-icon { width: 56px; height: 56px; margin-bottom: 16px; }
.mobile-strength-icon img { width: 100%; height: 100%; object-fit: contain; }
.mobile-strength-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 14px; }
.mobile-strength-item ul { list-style: none; padding: 0; margin: 0; }
.mobile-strength-item li {
    position: relative; padding: 6px 0 6px 16px; font-size: 0.9rem;
    color: var(--text-light); line-height: 1.7;
}
.mobile-strength-item li::before {
    content: ''; position: absolute; left: 0; top: 14px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--primary-bright);
}

@media (max-width: 768px) {
    .mobile-service-grid { grid-template-columns: repeat(2, 1fr); }
    .mobile-strength-grid { grid-template-columns: 1fr; }
    .mobile-intro-desc br { display: none; }
}
@media (max-width: 480px) {
    .mobile-service-grid { grid-template-columns: 1fr; }
}

/* ========== CHECKIPLUS ========== */
.checkiplus-intro {
    text-align: center; margin-bottom: 64px; padding: 48px 24px;
    background: linear-gradient(135deg, rgba(21,106,176,0.04), rgba(87,154,206,0.06));
    border-radius: var(--radius-lg); border: 1px solid var(--border-light);
}
.checkiplus-badge {
    display: inline-block; background: var(--primary); color: #fff;
    font-size: 0.82rem; font-weight: 700; padding: 6px 20px;
    border-radius: 50px; margin-bottom: 20px; letter-spacing: 1px;
}
.checkiplus-heading {
    font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 20px;
}
.checkiplus-desc {
    font-size: 1.05rem; color: var(--text); line-height: 1.9; max-width: 600px; margin: 0 auto;
}
.checkiplus-desc strong { color: var(--primary); font-weight: 700; }
.checkiplus-main { margin-bottom: 72px; }
.checkiplus-sub-heading {
    text-align: center; font-size: 1.25rem; font-weight: 700; color: var(--dark);
    line-height: 1.8; margin-bottom: 40px;
}
.checkiplus-features {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 800px; margin: 0 auto;
}
.checkiplus-feature-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 24px 28px; background: #fff;
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.checkiplus-feature-item:hover {
    transform: translateY(-3px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-bright);
}
.checkiplus-feature-num {
    flex-shrink: 0; width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    color: #fff; font-size: 0.9rem; font-weight: 800;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.checkiplus-feature-item p {
    font-size: 0.95rem; color: var(--text); line-height: 1.6; margin: 0;
    padding-top: 8px;
}
.checkiplus-system { text-align: center; }
.checkiplus-section-title {
    font-size: 1.4rem; font-weight: 800; color: var(--primary);
    margin-bottom: 32px; position: relative; display: inline-block;
}
.checkiplus-section-title::after {
    content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
    width: 48px; height: 3px; background: var(--primary); border-radius: 2px;
}
.checkiplus-system-img {
    max-width: 900px; margin: 0 auto;
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-md);
}
.checkiplus-system-img img { width: 100%; height: auto; display: block; }

@media (max-width: 768px) {
    .checkiplus-features { grid-template-columns: 1fr; }
    .checkiplus-heading { font-size: 1.5rem; }
    .checkiplus-sub-heading { font-size: 1.05rem; }
    .checkiplus-sub-heading br { display: none; }
}

/* ========== 315 CERTIFICATION ========== */
.cert315-intro {
    display: flex; align-items: flex-start; gap: 40px;
    margin-bottom: 64px; padding: 48px 36px;
    background: linear-gradient(135deg, rgba(21,106,176,0.04), rgba(87,154,206,0.06));
    border-radius: var(--radius-lg); border: 1px solid var(--border-light);
}
.cert315-intro-img {
    flex: 0 0 400px; max-width: 400px; border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-md);
}
.cert315-intro-img img { width: 100%; height: auto; display: block; }
.cert315-intro-text { flex: 1; min-width: 0; }
.cert315-heading {
    text-align: left; font-size: 1.3rem; font-weight: 800; color: var(--primary);
    margin-bottom: 24px; line-height: 1.8;
}
.cert315-desc-wrap { max-width: 100%; margin: 0; }
.cert315-desc-wrap p {
    font-size: 0.95rem; color: var(--text); line-height: 1.9; margin-bottom: 12px;
    text-align: left;
}
.cert315-section-title {
    text-align: center; font-size: 1.3rem; font-weight: 800; color: var(--primary);
    margin-bottom: 24px; position: relative; display: inline-block; width: 100%;
}
.cert315-section-title::after {
    content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
    width: 48px; height: 3px; background: var(--primary); border-radius: 2px;
}
.cert315-items { margin-bottom: 64px; text-align: center; }
.cert315-items-sub {
    text-align: center; font-size: 0.95rem; color: var(--text-light);
    margin-bottom: 28px; margin-top: 16px;
}
.cert315-item-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    max-width: 720px; margin: 0 auto;
}
.cert315-item-card {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 24px 16px; background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); transition: all var(--transition);
}
.cert315-item-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cert315-item-icon { width: 48px; height: 48px; }
.cert315-item-icon img { width: 100%; height: 100%; object-fit: contain; }
.cert315-item-icon.fa-icon {
    width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    border-radius: 50%;
}
.cert315-item-icon.fa-icon i { font-size: 1.2rem; color: #fff; }
.cert315-item-card span { font-size: 0.88rem; font-weight: 600; color: var(--dark); }
.cert315-distribution { margin-bottom: 64px; }
.cert315-dist-header { margin-bottom: 36px; }
.cert315-dist-img {
    max-width: 800px; margin: 0 auto; border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-md);
}
.cert315-dist-img img { width: 100%; height: auto; display: block; }
.cert315-dist-heading {
    text-align: center; font-size: 1.1rem; font-weight: 700; color: var(--dark);
    line-height: 1.8; margin-bottom: 20px; margin-top: 16px;
}
.cert315-dist-tags {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 16px;
}
.cert315-tag {
    display: inline-block; padding: 10px 24px; background: #fff;
    border: 1px solid var(--primary-bright); border-radius: 50px;
    font-size: 0.9rem; font-weight: 600; color: var(--primary);
    transition: all var(--transition);
}
.cert315-tag:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cert315-mark { text-align: center; margin-bottom: 40px; }
.cert315-mark-img { max-width: 280px; margin: 0 auto; }
.cert315-mark-img img { width: 100%; height: auto; }

@media (max-width: 768px) {
    .cert315-intro { flex-direction: column; padding: 32px 24px; gap: 24px; }
    .cert315-intro-img { flex: none; max-width: 100%; }
    .cert315-item-grid { grid-template-columns: repeat(2, 1fr); }
    .cert315-heading { font-size: 1.1rem; }
}

/* ========== PAPAYACOP ========== */
.papaya-intro {
    display: flex; align-items: flex-start; gap: 40px;
    text-align: left; margin-bottom: 64px; padding: 48px 36px;
    background: linear-gradient(135deg, rgba(21,106,176,0.04), rgba(87,154,206,0.06));
    border-radius: var(--radius-lg); border: 1px solid var(--border-light);
}
.papaya-intro-img {
    flex: 0 0 400px; max-width: 400px;
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-md);
}
.papaya-intro-img img { width: 100%; height: auto; display: block; }
.papaya-intro-text { flex: 1; min-width: 0; }
.papaya-heading {
    font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 24px;
    line-height: 1.8; text-align: left;
}
.papaya-desc {
    font-size: 0.98rem; color: var(--text); line-height: 1.9; max-width: 100%; margin: 0 0 12px;
}
.papaya-section-title {
    text-align: center; font-size: 1.3rem; font-weight: 800; color: var(--primary);
    margin-bottom: 36px; position: relative; display: inline-block;
    width: 100%;
}
.papaya-section-title::after {
    content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%);
    width: 48px; height: 3px; background: var(--primary); border-radius: 2px;
}
.papaya-process { margin-bottom: 72px; }
.papaya-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.papaya-step {
    text-align: left; padding: 36px 24px; background: #fff;
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.papaya-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.papaya-step-img {
    width: 100%; height: 160px; border-radius: var(--radius-md);
    overflow: hidden; margin-bottom: 20px;
}
.papaya-step-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.papaya-step:hover .papaya-step-img img { transform: scale(1.05); }
.papaya-step-num {
    font-size: 0.78rem; font-weight: 800; color: var(--primary-bright);
    letter-spacing: 2px; margin-bottom: 16px;
}
.papaya-step-icon {
    width: 64px; height: 64px; margin: 0 0 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.papaya-step-icon i { font-size: 1.4rem; color: #fff; }
.papaya-step h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.papaya-step p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }
.papaya-pricing { margin-bottom: 72px; }
.papaya-price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.papaya-price-card {
    border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    overflow: hidden; background: #fff; transition: all var(--transition);
    display: flex; flex-direction: column; height: 100%;
}
.papaya-price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.papaya-price-header {
    padding: 20px 24px; color: #fff; text-align: center;
}
.papaya-price-header.personal { background: linear-gradient(135deg, #156AB0, #1a7bc8); }
.papaya-price-header.tour { background: linear-gradient(135deg, #0d7c5f, #10a37f); }
.papaya-price-header.local { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.papaya-price-header h4 { font-size: 1.1rem; font-weight: 700; color: #fff; margin: 0; }
.papaya-price-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.papaya-price-body ul { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.papaya-price-body li {
    padding: 10px 0; font-size: 0.88rem; color: var(--text); line-height: 1.7;
    border-bottom: 1px solid var(--border-light);
}
.papaya-price-body li:last-child { border-bottom: none; }
.papaya-price-body li strong {
    display: block; font-size: 0.82rem; font-weight: 700; color: var(--primary);
    margin-bottom: 4px;
}
.papaya-price-amount {
    text-align: center; font-size: 1.4rem; font-weight: 800; color: var(--primary);
    padding: 16px; background: var(--bg-section); border-radius: var(--radius-md);
    margin-top: auto;
}
.papaya-price-amount span { font-size: 0.82rem; font-weight: 500; color: var(--text-light); }
.papaya-cert { margin-bottom: 40px; }
.papaya-cert-header {
    text-align: center; margin-bottom: 48px; padding: 40px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    border-radius: var(--radius-lg); color: #fff;
}
.papaya-cert-header h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 16px; color: #fff; }
.papaya-cert-header p { font-size: 0.92rem; line-height: 1.8; opacity: 0.9; max-width: 700px; margin: 0 auto; color: #fff; }
.papaya-cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.papaya-cert-item {
    padding: 28px; background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); transition: all var(--transition);
}
.papaya-cert-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.papaya-cert-img {
    margin-bottom: 20px; border-radius: var(--radius-md); overflow: hidden;
    border: 1px solid var(--border-light);
}
.papaya-cert-img img { width: 100%; height: auto; display: block; }
.papaya-cert-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; line-height: 1.5; }
.papaya-cert-item p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; }
.papaya-cert-note { display: block; margin-top: 10px; font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
    .papaya-intro { flex-direction: column; padding: 32px 24px; gap: 24px; }
    .papaya-intro-img { flex: none; max-width: 100%; }
    .papaya-steps { grid-template-columns: 1fr; }
    .papaya-price-grid { grid-template-columns: 1fr; }
    .papaya-cert-grid { grid-template-columns: 1fr; }
    .papaya-heading { font-size: 1.15rem; }
    .papaya-heading br { display: none; }
}

/* ========== PARTNERS ========== */
.partners { background: var(--bg-section); }
.partner-slider-wrap {
    overflow: hidden; position: relative;
}
.partner-slider-wrap::before,
.partner-slider-wrap::after {
    content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.partner-slider-wrap::before { left: 0; background: linear-gradient(to right, var(--bg-section), transparent); }
.partner-slider-wrap::after { right: 0; background: linear-gradient(to left, var(--bg-section), transparent); }
.partner-slider {
    display: flex; gap: 30px; width: max-content;
    animation: partnerScroll 30s linear infinite;
}
.partner-slider:hover { animation-play-state: paused; }
@keyframes partnerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.partner-logo {
    width: 160px; height: 70px; display: flex; align-items: center; justify-content: center;
    background: #fff; border-radius: var(--radius-md); padding: 12px 20px;
    border: 1px solid var(--border-light); transition: all var(--transition); opacity: 0.7;
    flex-shrink: 0;
}
.partner-logo:hover { opacity: 1; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.partner-logo img { max-height: 40px; max-width: 130px; object-fit: contain; filter: grayscale(60%); transition: filter var(--transition); }
.partner-logo:hover img { filter: grayscale(0%); }

/* ========== CONTACT BANNER ========== */
.contact-banner {
    position: relative;
    background: #156AB0;
    color: #fff; padding: 64px 0; overflow: hidden;
}
.contact-banner::before {
    content: ''; position: absolute; top: -50%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.05), transparent 70%);
    border-radius: 50%;
}
.contact-inner { position: relative; text-align: center; }
.contact-text { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.3px; }
.contact-info { font-size: 0.95rem; opacity: 0.8; }

/* ========== NOTICE LIST ========== */
.notice-list-section { padding-top: 70px; padding-bottom: 80px; min-height: 500px; }
.notice-table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border-light); }
.notice-table { width: 100%; border-collapse: collapse; }
.notice-table thead { background: var(--bg-section); }
.notice-table th {
    padding: 16px 24px; text-align: left; font-weight: 700; font-size: 0.85rem;
    color: var(--primary); letter-spacing: 0.5px; border-bottom: 2px solid var(--border);
}
.notice-table td { padding: 18px 24px; font-size: 0.95rem; border-bottom: 1px solid var(--border-light); }
.col-no { width: 80px; text-align: center; }
.col-date { width: 180px; }
.notice-table td.col-no { text-align: center; color: var(--text-muted); font-weight: 500; }
.notice-table td.col-date { color: var(--text-muted); font-size: 0.88rem; }
.notice-table .col-title a { color: var(--text); font-weight: 500; transition: color var(--transition); }
.notice-table .col-title a:hover { color: var(--primary-bright); }
.notice-table tbody tr { transition: background var(--transition); }
.notice-table tbody tr:hover { background: var(--accent-glow); }

/* ========== NOTICE VIEW ========== */
.notice-view-section { padding-top: 70px; padding-bottom: 80px; min-height: 500px; }
.notice-view-header { border-bottom: 2px solid var(--primary); padding-bottom: 24px; margin-bottom: 36px; }
.notice-view-title { font-size: 1.6rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.notice-view-date { font-size: 0.88rem; color: var(--text-muted); }
.notice-view-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ========== PRIVACY VIEW ========== */
.privacy-view-section { padding-top: 70px; padding-bottom: 80px; min-height: 500px; }
.privacy-content { margin-bottom: 56px; }
.privacy-history { background: var(--bg-section); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border-light); }
.history-title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.history-list { display: flex; flex-wrap: wrap; gap: 10px; }
.history-item a {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
    background: #fff; border: 1px solid var(--border); border-radius: 50px;
    font-size: 0.88rem; font-weight: 500; color: var(--text-light); transition: all 0.2s ease;
}
.history-item a:hover { border-color: var(--primary-bright); color: var(--primary); box-shadow: var(--shadow-sm); }
.history-item.current a { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== DOCX CONTENT ========== */
.docx-content { font-size: 0.95rem; line-height: 1.9; color: var(--text); }
.docx-content h1,.docx-content h2,.docx-content h3,.docx-content h4,.docx-content h5,.docx-content h6 { margin: 1.5em 0 0.5em; color: var(--dark); font-weight: 700; }
.docx-content p { margin-bottom: 1em; }
.docx-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.docx-content table th,.docx-content table td { padding: 12px 16px; border: 1px solid var(--border); }
.docx-content table th { background: var(--bg-section); font-weight: 700; color: var(--primary); }
.docx-content img { max-width: 100%; height: auto; margin: 1.5em 0; border-radius: var(--radius-sm); }

/* ========== BADGES ========== */
.badge { display: inline-block; padding: 4px 12px; font-size: 0.73rem; font-weight: 700; border-radius: 50px; letter-spacing: 0.3px; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-archived { background: #f3f4f6; color: #6b7280; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
    font-size: 0.9rem; font-weight: 600; border-radius: var(--radius-sm);
    border: 1px solid transparent; cursor: pointer; transition: all var(--transition);
    text-decoration: none; font-family: var(--font);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(21,106,176,0.35); }
.btn-back { background: #fff; color: var(--text-light); border-color: var(--border); }
.btn-back:hover { background: var(--bg-section); color: var(--text); border-color: var(--primary-bright); }

/* ========== EMPTY MESSAGE ========== */
.empty-message { text-align: center; padding: 100px 20px; color: var(--text-muted); }
.empty-message i { font-size: 3.5rem; margin-bottom: 20px; opacity: 0.2; display: block; }

/* ========== FOOTER ========== */
.footer {
    background: #fff; color: #555;
    padding: 48px 0 40px; position: relative;
    border-top: 1px solid #e2e8f0;
}
.footer::before {
    display: none;
}
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
    display: grid; grid-template-columns: auto 1fr auto;
    gap: 40px; align-items: start;
}
.footer-logo { padding-top: 4px; }
.footer-logo-img { height: 32px; width: auto; opacity: 0.9; transition: opacity 0.2s ease; }
.footer-logo-img:hover { opacity: 1; }
.footer-info .company-name { font-weight: 700; color: #333; margin-bottom: 8px; font-size: 0.95rem; }
.footer-info p { font-size: 0.82rem; line-height: 2; color: #666; }
.footer-links { margin-top: 8px; }
.footer-links a {
    color: var(--primary); font-weight: 700; font-size: 0.85rem;
    transition: color 0.2s ease; text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-links a:hover { color: var(--primary-bright); }
.footer-copyright { margin-top: 6px; font-size: 0.78rem; color: #aaa; }
.footer-marks {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
.mark-item {
    display: flex; align-items: center; justify-content: center;
    padding: 8px 10px; background: #f7f9fc;
    border-radius: var(--radius-sm); transition: all 0.2s ease; opacity: 0.7;
    border: 1px solid #edf2f7;
}
.mark-item:hover { opacity: 1; background: #edf2f7; }
.mark-item img { height: 36px; width: auto; max-width: 100px; object-fit: contain; }

/* ========== ERROR PAGE ========== */
.error-page {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 100vh; text-align: center; font-family: var(--font); background: var(--bg-light);
}
.error-page h1 {
    font-size: 7rem; font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 12px; line-height: 1;
}
.error-page p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 32px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .service-grid { gap: 20px; }
    .feature-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .mobile-menu-btn { display: flex; }
    .gnb {
        position: fixed; top: var(--header-h); left: 0; width: 100%;
        background: #fff; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
        max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
        border-bottom-left-radius: var(--radius-lg); border-bottom-right-radius: var(--radius-lg);
    }
    .gnb.open { max-height: 500px; }
    .gnb .nav-list { flex-direction: column; padding: 16px 20px; gap: 0; }
    .nav-item > a { padding: 14px 16px; font-size: 0.95rem; }
    .nav-item > a::after { display: none; }
    .has-sub .sub-nav {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; background: var(--bg-section); border-radius: var(--radius-sm);
        margin: 4px 0; border: none; padding: 4px;
    }
    .has-sub .sub-nav::before { display: none; }
    .lang-select { display: none; }
    .main-visual { min-height: 420px; }
    .visual-title { font-size: 3rem; }
    .visual-sub { font-size: 1.2rem; }
    .visual-desc { font-size: 0.95rem; }
    .section { padding: 64px 0; }
    .section-title { font-size: 1.6rem; }
    .section-desc { margin-bottom: 40px; }
    .feature-list { grid-template-columns: 1fr; }
    .partner-logo { width: 120px; padding: 10px; }
    .contact-text { font-size: 1.2rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
    .footer-logo { display: flex; justify-content: center; }
    .footer-marks { justify-items: center; grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 480px) {
    .visual-title { font-size: 2.2rem; }
    .page-title { font-size: 1.6rem; }
    .section-title { font-size: 1.4rem; }
    .section { padding: 48px 0; }
    .service-card { padding: 28px 22px; }
    .feature-item { padding: 32px 20px; }
    .notice-table th, .notice-table td { padding: 12px 14px; font-size: 0.88rem; }
    .col-no { width: 50px; }
    .col-date { width: 120px; }
}

/* ========== PAGE TAB NAVIGATION ========== */
.page-tab-nav {
    background: #fff; border-bottom: 1px solid var(--border-light);
    position: sticky; top: 72px; z-index: 90;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.tab-list {
    display: flex; gap: 0; list-style: none; padding: 0; margin: 0;
}
.tab-link {
    display: inline-block; padding: 16px 32px;
    font-size: 0.95rem; font-weight: 600; color: var(--text-muted);
    text-decoration: none; border-bottom: 3px solid transparent;
    transition: all var(--transition); position: relative;
}
.tab-link:hover { color: var(--primary); background: rgba(21,106,176,0.03); }
.tab-link.active {
    color: var(--primary); border-bottom-color: var(--primary);
    font-weight: 700;
}

/* ========== HISTORY TIMELINE ========== */
.history-section { padding-bottom: 80px; }
.timeline {
    position: relative; max-width: 800px; margin: 0 auto;
    padding-left: 40px;
}
.timeline::before {
    content: ''; position: absolute; left: 19px; top: 0; bottom: 0;
    width: 2px; background: linear-gradient(180deg, var(--primary), var(--primary-bright), var(--accent-light));
    border-radius: 2px;
}
.timeline-item:last-child::after {
    content: ''; position: absolute;
    left: -22px; top: 50%; width: 6px; bottom: -32px;
    background: var(--bg); z-index: 1;
}
.timeline-era {
    position: relative; margin: 0 0 32px 0; padding-top: 8px;
}
.timeline-era:not(:first-child) { margin-top: 56px; }
.era-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    color: #fff; font-size: 1.05rem; font-weight: 800;
    padding: 10px 28px; border-radius: 50px;
    letter-spacing: 1px; position: relative; left: 0;
    box-shadow: 0 4px 16px rgba(21,106,176,0.3);
}
.timeline-item {
    position: relative; margin-bottom: 32px;
}
.timeline-item.fade-init {
    opacity: 0;
    transform: none;
    transition: opacity 0.7s ease;
}
.timeline-item.fade-in {
    opacity: 1;
    transform: none;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -27px; top: 50%; transform: translateY(-50%);
    width: 14px; height: 14px; border-radius: 50%;
    background: #fff; border: 3px solid var(--primary);
    z-index: 2; transition: background 0.3s ease, box-shadow 0.3s ease;
}
.timeline-item:hover .timeline-dot {
    background: var(--primary);
    box-shadow: 0 0 0 6px rgba(21,106,176,0.15);
}
.timeline-content {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); padding: 14px 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.timeline-content:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg); border-color: transparent;
}
.timeline-content h4 {
    font-size: 1rem; font-weight: 700; color: var(--dark);
    margin: 0; line-height: 1.5;
}

@media (max-width: 768px) {
    .page-tab-nav { top: 60px; }
    .tab-link { padding: 14px 24px; font-size: 0.9rem; }
    .timeline { padding-left: 28px; }
    .timeline::before { left: 12px; }
    .timeline-dot { left: -22px; width: 12px; height: 12px; }
    .timeline-content { padding: 12px 18px; }
    .era-label { font-size: 0.95rem; padding: 8px 22px; left: -4px; }
}
@media (max-width: 480px) {
    .tab-link { padding: 12px 18px; font-size: 0.85rem; }
    .timeline-item { grid-template-columns: 48px 1fr; }
    .timeline-content h4 { font-size: 0.92rem; }
}

/* ========== CLIENTS PAGE ========== */
.clients-section { padding-bottom: 80px; }
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.client-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 9;
    transition: all 0.3s ease;
}
.client-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.client-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(30%);
    transition: filter 0.3s ease;
}
.client-card:hover img {
    filter: grayscale(0%);
}
@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .client-card { padding: 16px; }
}
@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .client-card { padding: 12px; }
}

/* ========== LOCATION PAGE ========== */
.location-section { padding-bottom: 80px; }
.location-map {
    max-width: 900px; margin: 0 auto 48px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}
.map-iframe {
    width: 100%; height: 450px; border: 0; display: block;
}
.location-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}
.location-info-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
}
.location-info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.location-info-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.location-info-icon i {
    color: #fff; font-size: 1.2rem;
}
.location-info-card h4 {
    font-size: 1.1rem; font-weight: 700; color: var(--dark);
    margin: 0 0 12px 0;
}
.location-info-card p {
    font-size: 0.95rem; color: var(--text-secondary);
    margin: 0 0 6px 0; line-height: 1.6;
}
@media (max-width: 768px) {
    .map-iframe { height: 300px; }
    .location-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .location-info-card { padding: 24px; }
}

/* ========== INTRODUCE PAGE ========== */
.introduce-content {
    display: grid; grid-template-columns: 380px 1fr; gap: 48px;
    align-items: start;
}
.introduce-img-wrap {
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.introduce-img { width: 100%; height: auto; display: block; }
.introduce-text { padding-top: 8px; }
.introduce-greeting {
    font-size: 1.5rem; font-weight: 800; color: var(--primary);
    margin-bottom: 28px; line-height: 1.4;
}
.introduce-text p {
    font-size: 0.95rem; color: var(--text); line-height: 1.9;
    margin-bottom: 18px;
}
.introduce-thanks {
    font-size: 1.05rem; font-weight: 700; color: var(--primary);
    margin-top: 28px !important;
}
.introduce-sign {
    margin-top: 32px; padding-top: 24px;
    border-top: 1px solid var(--border); display: flex;
    align-items: baseline; gap: 12px;
}
.sign-company { font-size: 0.9rem; font-weight: 600; color: var(--text-light); }
.sign-title { font-size: 0.9rem; font-weight: 600; color: var(--text-light); }
.sign-name {
    font-size: 1.3rem; font-weight: 800; color: var(--primary);
    letter-spacing: 8px;
}

/* Company Overview */
.overview-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.overview-card {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); padding: 32px 24px;
    text-align: center; transition: all var(--transition);
}
.overview-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent;
}
.overview-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-bright));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
.overview-icon i { font-size: 1.1rem; color: #fff; }
.overview-card h4 {
    font-size: 0.88rem; font-weight: 700; color: var(--text-muted);
    margin-bottom: 8px; letter-spacing: 0.5px;
}
.overview-card p {
    font-size: 0.95rem; font-weight: 600; color: var(--primary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .introduce-content { grid-template-columns: 1fr; gap: 32px; }
    .introduce-img-wrap { max-width: 320px; margin: 0 auto; }
    .overview-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .overview-grid { grid-template-columns: 1fr; }
    .introduce-greeting { font-size: 1.2rem; }
}

/* ==================== NOTICE PAGE ==================== */
.notice-layout {
    display: flex; gap: 0; border: 1px solid #e5e7eb; border-radius: 12px;
    overflow: hidden; min-height: 600px; background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.notice-sidebar {
    width: 220px; min-width: 220px; background: #f3f4f6;
    border-right: 1px solid #e5e7eb; padding: 20px 12px;
    display: flex; flex-direction: column; gap: 6px;
    overflow-y: auto;
}
.notice-sidebar-title {
    font-size: 0.75rem; font-weight: 700; color: #888;
    text-transform: uppercase; letter-spacing: 0.5px;
    padding: 0 6px 10px; border-bottom: 1px solid #ddd; margin-bottom: 4px;
}
.notice-file-btn {
    padding: 10px 12px; font-size: 0.85rem; font-weight: 600;
    border: 1px solid transparent; border-radius: 8px; background: transparent;
    color: #444; cursor: pointer; transition: all 0.2s;
    text-align: left; word-break: break-all; line-height: 1.4;
}
.notice-file-btn:hover { background: #e8edf3; color: #156AB0; }
.notice-file-btn.active {
    background: #156AB0; color: #fff; border-color: #156AB0;
}
.notice-content-area {
    flex: 1; min-width: 0; display: flex; flex-direction: column;
}
.notice-iframe {
    width: 100%; flex: 1; border: none; display: block; min-height: 580px;
}
.notice-empty-msg {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    justify-content: center; color: #888; gap: 12px; padding: 60px 20px;
}
.notice-empty-msg i { font-size: 3rem; color: #ccc; }
.notice-empty-msg p { font-size: 1rem; }
@media (max-width: 768px) {
    .notice-layout { flex-direction: column; min-height: auto; }
    .notice-sidebar {
        width: 100%; min-width: 0; flex-direction: row; flex-wrap: wrap;
        border-right: none; border-bottom: 1px solid #e5e7eb; padding: 12px;
    }
    .notice-sidebar-title { display: none; }
    .notice-file-btn { padding: 6px 12px; font-size: 0.78rem; }
    .notice-iframe { min-height: 400px; }
}

/* ==================== PRIVACY MODAL ==================== */
.privacy-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 10000; display: flex; align-items: center; justify-content: center;
}
.privacy-modal-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.55);
}
.privacy-modal-content {
    position: relative; background: #fff; border-radius: 12px;
    width: 95%; max-width: 1400px; height: 92vh;
    display: flex; flex-direction: row;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
}
.privacy-sidebar {
    width: 200px; min-width: 200px; background: #f3f4f6;
    border-right: 1px solid #e5e7eb; padding: 20px 12px;
    display: flex; flex-direction: column; gap: 6px;
    overflow-y: auto; border-radius: 12px 0 0 12px;
}
.privacy-sidebar-title {
    font-size: 0.75rem; font-weight: 700; color: #888;
    text-transform: uppercase; letter-spacing: 0.5px;
    padding: 0 6px 10px; border-bottom: 1px solid #ddd; margin-bottom: 4px;
}
.privacy-file-btn {
    padding: 8px 12px; font-size: 0.8rem; font-weight: 600;
    border: 1px solid transparent; border-radius: 8px; background: transparent;
    color: #444; cursor: pointer; transition: all 0.2s;
    text-align: left; word-break: break-all; line-height: 1.4;
}
.privacy-file-btn:hover { background: #e8edf3; color: #156AB0; }
.privacy-file-btn.active {
    background: #156AB0; color: #fff; border-color: #156AB0;
}
.privacy-main {
    flex: 1; display: flex; flex-direction: column; min-width: 0;
}
.privacy-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 28px; border-bottom: 1px solid #e5e7eb;
}
.privacy-modal-header h3 {
    margin: 0; font-size: 1.15rem; font-weight: 700; color: #1a1a2e;
    white-space: nowrap;
}
.privacy-modal-close {
    background: none; border: none; font-size: 1.6rem; cursor: pointer;
    color: #888; line-height: 1; padding: 0 4px; transition: color 0.2s;
}
.privacy-modal-close:hover { color: #333; }
.privacy-modal-body {
    padding: 0; overflow: hidden; flex: 1;
    font-size: 0.9rem; line-height: 1.8; color: #333;
}
.privacy-modal-body iframe {
    width: 100%; height: 100%; border: none; display: block;
}
.privacy-modal-body h1, .privacy-modal-body h2, .privacy-modal-body h3 {
    color: #1a1a2e; margin: 18px 0 10px;
}
.privacy-modal-body h1 { font-size: 1.3rem; }
.privacy-modal-body h2 { font-size: 1.1rem; }
.privacy-modal-body p { margin-bottom: 8px; }
@media (max-width: 768px) {
    .privacy-modal-content { width: 98%; max-height: 90vh; flex-direction: column; }
    .privacy-sidebar {
        width: 100%; min-width: 0; flex-direction: row; flex-wrap: wrap;
        border-right: none; border-bottom: 1px solid #e5e7eb;
        border-radius: 12px 12px 0 0; padding: 12px;
    }
    .privacy-sidebar-title { display: none; }
    .privacy-file-btn { padding: 5px 10px; font-size: 0.75rem; }
    .privacy-modal-header { padding: 16px 20px; }
    .privacy-modal-body { padding: 0; }
}
