:root {
    --primary: #1565a8;
    --primary-dark: #0a3d6b;
    --primary-light: #eef5fb;
    --accent: #2196f3;
    --text-dark: #1a1a1a;
    --text-body: #444;
    --text-gray: #777;
    --text-light: #999;
    --white: #fff;
    --bg-gray: #f7f9fc;
    --bg-dark: #1a2332;
    --bg-darker: #121a26;
    --border: #e5e5e5;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 6px;
    --transition: all 0.3s ease;
    --header-height: 90px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; font-size: 14px; line-height: 1.7; color: var(--text-body); background: var(--white); overflow-x: hidden; }
a { text-decoration: none !important; color: inherit; transition: var(--transition); }
.header a, .header a:link, .header a:visited, .header a:hover, .header a:active,
.nav-list a, .nav-list a:link, .nav-list a:visited, .nav-list a:hover, .nav-list a:active,
.nav-list li a, .nav-list li a:link, .nav-list li a:visited, .nav-list li a:hover, .nav-list li a:active,
.footer a, .footer-links a, .footer-contact a, .footer-bottom a,
.footer a:link, .footer a:visited, .footer a:hover, .footer a:active,
.btn, .btn:link, .btn:visited, .btn:hover, .btn:active,
.back-to-top, .partner-controls button, .carousel-arrow,
.business-card, .news-feature, .news-small-card, .news-page-card,
.prev-next-item, .more-business-card,
.culture-card, .contact-card, .lang-dropdown li a {
    text-decoration: none !important;
    text-decoration-line: none !important;
    border-bottom: none !important;
    
    box-shadow: none !important;
    outline: none !important;
}
.header .nav-list > li > a { border: none !important; background: none !important; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 60px 0; }
.section-gray { background: #fff; }
.section-title { text-align: center; margin-bottom: 45px; }
.section-title h2 { font-size: 30px; color: var(--text-dark); font-weight: 600; margin-bottom: 6px; letter-spacing: 1px; }
.section-title p { font-size: 13px; color: var(--text-gray); text-transform: uppercase; letter-spacing: 3px; }
.section-title .line { width: 50px; height: 3px; background: var(--primary); margin: 14px auto 0; border-radius: 2px; }
.btn { display: inline-block; padding: 11px 36px; background: var(--primary); color: var(--white); border-radius: var(--radius); font-size: 14px; transition: var(--transition); cursor: pointer; border: none; }
.btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(21,101,168,0.3); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.6); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--primary); color: var(--white); }
.btn-outline-dark { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline-dark:hover { background: var(--primary); color: var(--white); }
.page-banner { height: 380px; background-size: cover; background-position: center; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; margin-top: 0; }
.page-banner::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(10,61,107,0.7), rgba(21,101,168,0.5)); }
.page-banner h1 { position: relative; color: var(--white); font-size: 30px; font-weight: 600; z-index: 1; }
.page-banner p { position: relative; color: rgba(255,255,255,0.8); font-size: 13px; text-transform: uppercase; letter-spacing: 3px; z-index: 1; margin-top: 6px; }

/* ===== HEADER ===== */
.header {     position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.header { background: transparent; }
.header.scrolled { background: rgba(255,255,255,0.98); box-shadow: var(--shadow); }
.header.scrolled .nav-list > li > a { color: var(--text-dark); }
.header.scrolled .nav-list > li.active > a { color: var(--primary); }
.header.scrolled .lang-switch .lang-btn { color: var(--text-dark); }
.header.scrolled .menu-toggle span { background: var(--text-dark); }
.header.scrolled .logo img { filter: none; }
.header:not(.scrolled) .nav-list > li > a { color: rgba(255,255,255,0.9); }
.header:not(.scrolled) .nav-list > li.active > a { color: var(--white); }
.header:not(.scrolled) .lang-switch .lang-btn { color: rgba(255,255,255,0.9); }
.header:not(.scrolled) .menu-toggle span { background: var(--white); }
.header:not(.scrolled) .logo img { filter: brightness(0) invert(1); }
.logo { display: flex; align-items: center; height: 50px; }
.logo img { max-height: 60px; width: auto; transition: var(--transition); }
.nav-list { display: flex; align-items: center; gap: 5px; }
.nav-list > li { position: relative; }
.nav-list > li > a { display: block; padding: 10px 18px; font-size: 17px; color: var(--text-dark); font-weight: 500; position: relative; text-decoration: none !important; }
.nav-list > li.active > a { color: var(--primary); }
.nav-list > li > a::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--primary); transition: width 0.3s ease; }
.nav-list > li.active > a::after { width: 24px; }
.header-right { display: flex; align-items: center; gap: 16px; }
.lang-switch { position: relative; }
.lang-btn { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 14px; color: var(--text-dark); padding: 6px 4px; }
.lang-btn svg { width: 22px; height: 22px; }
.lang-dropdown { position: absolute; top: 100%; right: 0; min-width: 130px; background: var(--white); box-shadow: var(--shadow-hover); border-radius: var(--radius); opacity: 0; visibility: hidden; transform: translateY(10px); transition: var(--transition); padding: 6px 0; margin-top: 8px; }
.lang-dropdown::before { content: ''; position: absolute; top: -8px; right: 20px; width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 8px solid var(--white); }
.lang-dropdown li a { display: block; padding: 8px 16px; font-size: 13px; color: var(--text-body); }
.lang-dropdown li a:hover { background: var(--primary-light); color: var(--primary); }
.lang-switch:hover .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; background: transparent; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text-dark); transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 50px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-col h3 { color: var(--white); font-size: 16px; margin-bottom: 20px; font-weight: 600; }
.footer-about p { font-size: 13px; line-height: 1.8; margin-bottom: 16px; }
.footer-about .logo img { max-height: 45px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 13px; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--white); }

/* ===== CAROUSEL (with Ken Burns zoom) ===== */
.carousel { position: relative; height: 100vh; min-height: 600px; max-height: 800px; overflow: hidden; }
.carousel-track { display: flex; height: 100%; transition: transform 0.8s ease; }
.carousel-slide { min-width: 100%; height: 100%; position: relative; overflow: hidden; }
.carousel-slide-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; background-position: center; }
.carousel-slide::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(10,61,107,0.6), rgba(21,101,168,0.3)); z-index: 1; }
.carousel-slide.active .carousel-slide-bg { animation: kenburns 6s ease-out forwards; }
@keyframes kenburns { 0% { transform: scale(1); } 100% { transform: scale(1.15); } }
.carousel-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; z-index: 2; width: 90%; max-width: 750px; }
.carousel-content h2 { font-size: 44px; color: var(--white); font-weight: 700; margin-bottom: 16px; line-height: 1.4; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.carousel-content p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 30px; line-height: 1.6; }
.carousel-content .carousel-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.carousel-content .btn { font-size: 15px; padding: 13px 40px; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.4); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 3; transition: var(--transition); color: var(--white); }
.carousel-arrow:hover { background: var(--primary); border-color: var(--primary); }
.carousel-arrow svg { width: 22px; height: 22px; }
.carousel-arrow.prev { left: 30px; }
.carousel-arrow.next { right: 30px; }
.carousel-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.carousel-dots span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: var(--transition); }
.carousel-dots span.active { background: var(--white); width: 36px; border-radius: 6px; }

/* ===== PARTNERS ===== */
.partners { overflow: hidden; }
.partner-carousel { overflow: hidden; position: relative; }
.partner-track { display: flex; gap: 24px; transition: transform 0.5s ease; }
.partner-card { min-width: calc(16.666% - 20px); background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 16px; text-align: center; transition: var(--transition); }
.partner-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--primary); }
.partner-card img { width: 100%; height: 60px; object-fit: contain; margin-bottom: 12px; }
.partner-card h4 { font-size: 14px; color: var(--text-dark); margin-bottom: 4px; }
.partner-card p { font-size: 12px; color: var(--text-gray); }
.partner-controls { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }
.partner-controls button { width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; transition: var(--transition); color: var(--text-gray); }
.partner-controls button:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.partner-controls button svg { width: 18px; height: 18px; }

/* ===== ABOUT PREVIEW (homepage) ===== */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-preview-img { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-preview-img img { width: 100%; height: 360px; object-fit: cover; }
.about-preview-img::after { content: ''; position: absolute; bottom: -20px; right: -20px; width: 120px; height: 120px; background: var(--primary); border-radius: var(--radius); z-index: -1; }
.about-preview-text h2 { font-size: 26px; color: var(--text-dark); margin-bottom: 8px; font-weight: 600; }
.about-preview-text .subtitle { font-size: 13px; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 20px; }
.about-preview-text p { font-size: 14px; line-height: 2; color: var(--text-body); margin-bottom: 12px; }
.about-preview-text .btn { margin-top: 16px; }

/* ===== BUSINESS ===== */
.business-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.business-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); cursor: pointer; }
.business-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.business-card-img { width: 100%; height: 220px; overflow: hidden; position: relative; }
.business-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.business-card:hover .business-card-img img { transform: scale(1.08); }
.business-card-img::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to top, rgba(10,61,107,0.4), transparent); }
.business-card-body { padding: 20px; }
.business-card-body h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 8px; font-weight: 600; }
.business-card-body p { font-size: 13px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.business-card-body .more { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--primary); margin-top: 12px; font-weight: 500; }
.business-all-btn { text-align: center; margin-top: 40px; }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

/* ===== NEWS PREVIEW ===== */
.news-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.news-feature { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); cursor: pointer; transition: var(--transition); }
.news-feature:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-feature-img { width: 100%; height: 260px; overflow: hidden; }
.news-feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-feature:hover .news-feature-img img { transform: scale(1.05); }
.news-feature-body { padding: 24px; }
.news-feature-body h3 { font-size: 18px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; line-height: 1.5; }
.news-feature-body p { font-size: 13px; color: var(--text-gray); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-feature-body .date { font-size: 12px; color: var(--text-light); }
.news-list-small { display: flex; flex-direction: column; gap: 16px; }
.news-small-card { background: var(--white); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); cursor: pointer; transition: var(--transition); border-left: 3px solid transparent; }
.news-small-card:hover { border-left-color: var(--primary); transform: translateX(4px); box-shadow: var(--shadow-hover); }
.news-small-card h4 { font-size: 15px; color: var(--text-dark); margin-bottom: 6px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-small-card p { font-size: 13px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-small-card .date { font-size: 12px; color: var(--text-light); margin-top: 6px; }

/* ===== CORPORATE CULTURE ===== */
.culture-section { position: relative; padding: 80px 0; background: var(--bg-gray); }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.culture-card { text-align: center; color: var(--white); padding: 40px 30px; border-radius: var(--radius); background-size: cover; background-position: center; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.15); transition: var(--transition); }
.culture-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,30,50,0.75); transition: var(--transition); }
.culture-card > * { position: relative; z-index: 1; }
.culture-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.3); }
.culture-card:hover::before { background: rgba(10,30,50,0.6); }
.culture-card-icon { width: 60px; height: 60px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; background: rgba(33,150,243,0.2); border-radius: 50%; }
.culture-card-icon svg { width: 30px; height: 30px; color: var(--accent); }
.culture-card h3 { font-size: 20px; margin-bottom: 14px; font-weight: 600; }
.culture-card p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.8; }

/* ===== ABOUT PAGE ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-intro-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-intro-img img { width: 100%; height: 400px; object-fit: cover; }
.about-intro-text h2 { font-size: 24px; color: var(--text-dark); margin-bottom: 16px; font-weight: 600; }
.about-intro-text p { font-size: 14px; line-height: 2; color: var(--text-body); margin-bottom: 12px; }
.about-intro-text .highlight { color: var(--primary); font-weight: 600; }

/* ===== BUSINESS DETAIL ===== */
.business-detail { padding: 50px 0; }
.detail-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.detail-gallery { display: flex; flex-direction: column; gap: 12px; }
.detail-gallery-main { width: 100%; height: 400px; overflow: hidden; border-radius: var(--radius); }
.detail-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.detail-gallery-thumbs { display: flex; gap: 10px; }
.detail-gallery-thumbs img { width: calc(25% - 8px); height: 80px; object-fit: cover; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.detail-gallery-thumbs img:hover, .detail-gallery-thumbs img.active { border-color: var(--primary); }
.detail-info h1 { font-size: 24px; color: var(--text-dark); margin-bottom: 16px; font-weight: 600; line-height: 1.4; }
.detail-info .detail-desc-short { font-size: 14px; color: var(--text-gray); line-height: 1.8; margin-bottom: 20px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 16px; padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.detail-meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-gray); }
.detail-meta-item strong { color: var(--text-dark); }
.detail-contact { background: var(--bg-gray); border-radius: var(--radius); padding: 24px; margin-top: 20px; }
.detail-contact h4 { font-size: 15px; color: var(--text-dark); margin-bottom: 16px; font-weight: 600; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.detail-contact-list { display: flex; flex-direction: column; gap: 12px; }
.detail-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-body); }
.detail-contact-list svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--primary); }
.detail-contact .btn { width: 100%; text-align: center; margin-top: 16px; }
.detail-content { font-size: 14px; line-height: 2; color: var(--text-body); }
.detail-content h3 { font-size: 18px; color: var(--text-dark); margin: 24px 0 12px; font-weight: 600; }
.detail-content p { margin-bottom: 14px; }
.detail-content img { margin: 20px 0; border-radius: var(--radius); }
.prev-next { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--border); }
.prev-next-item { flex: 1; padding: 20px; background: var(--bg-gray); border-radius: var(--radius); transition: var(--transition); }
.prev-next-item:hover { background: var(--primary-light); }
.prev-next-item .label { font-size: 12px; color: var(--text-gray); margin-bottom: 6px; }
.prev-next-item .title { font-size: 14px; color: var(--text-dark); font-weight: 500; }
.prev-next-item.next { text-align: right; }
.more-business { padding: 40px 0; background: var(--bg-gray); }
.more-business-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.more-business-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); cursor: pointer; }
.more-business-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.more-business-card img { width: 100%; height: 140px; object-fit: cover; }
.more-business-card-body { padding: 14px; }
.more-business-card-body h4 { font-size: 14px; color: var(--text-dark); font-weight: 500; }

/* ===== NEWS PAGE ===== */
.news-page-list { display: flex; flex-direction: column; gap: 20px; }
.news-page-card { display: grid; grid-template-columns: 240px 1fr; gap: 24px; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); cursor: pointer; }
.news-page-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-page-card-img { width: 100%; height: 100%; overflow: hidden; }
.news-page-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-page-card:hover .news-page-card-img img { transform: scale(1.05); }
.news-page-card-body { padding: 20px 20px 20px 0; }
.news-page-card-body h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; line-height: 1.5; }
.news-page-card-body p { font-size: 13px; color: var(--text-gray); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-page-card-body .meta { font-size: 12px; color: var(--text-light); display: flex; gap: 16px; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; align-items: center; }
.pagination a, .pagination span { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; color: var(--text-body); padding: 0 12px; }
.pagination a:hover, .pagination .active, .pagination .current { background: var(--primary); color: var(--white); border-color: var(--primary); }
.pagination span { border-color: transparent; color: var(--text-gray); }

/* ===== NEWS DETAIL ===== */
.news-detail { padding: 50px 0; }
.news-detail-header { text-align: center; margin-bottom: 30px; }
.news-detail-header h1 { font-size: 26px; color: var(--text-dark); font-weight: 600; line-height: 1.5; margin-bottom: 16px; }
.news-detail-meta { display: flex; justify-content: center; gap: 20px; font-size: 13px; color: var(--text-gray); padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.news-detail-img { width: 100%; max-height: 450px; overflow: hidden; border-radius: var(--radius); margin-bottom: 30px; }
.news-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.news-detail-content { font-size: 15px; line-height: 2; color: var(--text-body); }
.news-detail-content p { margin-bottom: 16px; }
.news-detail-content h3 { font-size: 18px; color: var(--text-dark); margin: 24px 0 12px; font-weight: 600; }

/* ===== ONLINE FORM ===== */
.online-form-section { padding: 50px 0; }
.online-form-header { text-align: center; margin-bottom: 40px; }
.online-form-header h2 { font-size: 28px; color: var(--text-dark); font-weight: 600; margin-bottom: 6px; }
.online-form-header p { font-size: 13px; color: var(--text-gray); text-transform: uppercase; letter-spacing: 2px; }
.online-form { max-width: 900px; margin: 0 auto; background: var(--white); padding: 50px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 14px; color: var(--text-dark); margin-bottom: 8px; font-weight: 500; }
.form-group label .required { color: #e74c3c; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; color: var(--text-body); transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(21,101,168,0.1); }
.form-group textarea { resize: vertical; min-height: 140px; }
.radio-group { display: flex; gap: 20px; padding: 10px 0; }
.radio-group label { display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 400; cursor: pointer; }
.radio-group input[type="radio"] { width: 16px; height: 16px; }
.captcha-group { display: flex; gap: 12px; align-items: flex-end; }
.captcha-group input { flex: 1; }
.captcha-code { padding: 12px 16px; background: var(--primary); color: var(--white); border-radius: 4px; font-size: 18px; font-weight: 600; letter-spacing: 3px; cursor: pointer; user-select: none; min-width: 100px; text-align: center; }
.form-submit { text-align: center; margin-top: 30px; }
.form-submit .btn { padding: 13px 50px; font-size: 15px; }

/* ===== CONTACT ===== */
.contact-section { padding: 50px 0; }
.contact-intro { text-align: center; max-width: 800px; margin: 0 auto 40px; }
.contact-intro p { font-size: 14px; line-height: 2; color: var(--text-body); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 40px; }
.contact-card { background: var(--white); border-radius: var(--radius); padding: 30px 20px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); border-top: 3px solid transparent; }
.contact-card:hover { border-top-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.contact-card-icon { width: 56px; height: 56px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; background: var(--primary-light); border-radius: 50%; }
.contact-card-icon svg { width: 26px; height: 26px; color: var(--primary); }
.contact-card h4 { font-size: 14px; color: var(--text-gray); margin-bottom: 8px; }
.contact-card p { font-size: 15px; color: var(--text-dark); font-weight: 500; word-break: break-all; }
.contact-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); height: 400px; }
.contact-map img { width: 100%; height: 100%; object-fit: cover; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
    .business-preview, .business-grid { grid-template-columns: repeat(2, 1fr); }
    .more-business-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .partner-card { min-width: calc(25% - 18px); }
    .culture-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .header { height: 60px; padding-top: 0; }
    :root { --header-height: 60px; }
    .header:not(.scrolled) .nav-list > li > a { color: var(--text-dark); }
    .header:not(.scrolled) .lang-switch .lang-btn { color: var(--text-dark); }
    .header:not(.scrolled) .menu-toggle span { background: var(--text-dark); }
    .header:not(.scrolled) .logo img { filter: none; }
    .header { background: rgba(255,255,255,0.98); box-shadow: var(--shadow); }
    .nav { position: fixed; top: 60px; right: -100%; width: 280px; height: calc(100vh - 60px); background: var(--white); box-shadow: -4px 0 20px rgba(0,0,0,0.1); transition: right 0.3s ease; overflow-y: auto; padding: 20px 0; }
    .nav.open { right: 0; }
    .nav-list { flex-direction: column; gap: 0; }
    .nav-list > li { width: 100%; }
    .nav-list > li > a { padding: 14px 24px; border-bottom: 1px solid #f0f0f0; font-size: 15px; }
    .nav-list > li > a::after { display: none; }
    .menu-toggle { display: flex; }
    .lang-switch .lang-btn { font-size: 13px; }
    .lang-dropdown { right: 0; min-width: 120px; }
    .carousel { min-height: 400px; height: 60vh; }
    .carousel-content h2 { font-size: 26px; }
    .carousel-content p { font-size: 14px; }
    .carousel-content .carousel-btns { flex-direction: column; }
    .carousel-arrow { width: 36px; height: 36px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .partner-card { min-width: calc(50% - 12px); }
    .about-preview { grid-template-columns: 1fr; gap: 30px; }
    .about-preview-img img { height: 240px; }
    .about-preview-img::after { display: none; }
    .business-preview, .business-grid { grid-template-columns: 1fr; }
    .more-business-grid { grid-template-columns: repeat(2, 1fr); }
    .news-preview { grid-template-columns: 1fr; }
    .news-page-card { grid-template-columns: 120px 1fr; }
    .news-page-card-img { height: 120px; }
    .culture-grid { grid-template-columns: 1fr; }
    .about-intro { grid-template-columns: 1fr; }
    .about-intro-img img { height: 240px; }
    .detail-top { grid-template-columns: 1fr; }
    .detail-gallery-main { height: 260px; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-map { height: 300px; }
    .online-form { padding: 30px 20px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-about, .footer-col:last-child { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .section { padding: 40px 0; }
    .section-title h2 { font-size: 24px; }
    .page-banner { height: 260px; }
    .page-banner h1 { font-size: 24px; }
    .prev-next { flex-direction: column; }
    .prev-next-item.next { text-align: left; }
    .culture-section { padding: 50px 0; }
}
@media (max-width: 480px) {
    .carousel-content h2 { font-size: 20px; }
    .carousel-content p { font-size: 13px; }
    .partner-card { min-width: 100%; }
    .news-page-card { grid-template-columns: 1fr; }
    .news-page-card-img { height: 180px; }
    .more-business-grid { grid-template-columns: 1fr; }
    .section-title h2 { font-size: 22px; }
    .online-form-header h2 { font-size: 22px; }
}

/* ===== BACK TO TOP ===== */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 999; opacity: 0; visibility: hidden; transition: var(--transition); box-shadow: 0 4px 15px rgba(21,101,168,0.3); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }
.back-to-top svg { width: 22px; height: 22px; }

/* ===== FORM VALIDATION ===== */
.form-group { position: relative; }
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #e74c3c !important;
    box-shadow: 0 0 0 3px rgba(231,76,60,0.1) !important;
}
.error-msg {
    display: block;
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    line-height: 1.4;
    min-height: 17px;
}
.form-group input.valid,
.form-group textarea.valid {
    border-color: #27ae60 !important;
}
.radio-group input[type="radio"].error {
    outline: 2px solid #e74c3c !important;
    outline-offset: 2px;
}
.captcha-code {
    transition: opacity 0.2s;
}
.captcha-code.refreshing {
    opacity: 0.5;
}
.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}
.form-success.show {
    display: block;
}
.form-success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #27ae60;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.form-success-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
    stroke: #fff;
}
.form-success h3 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 10px;
    font-weight: 600;
}
.form-success p {
    font-size: 14px;
    color: #777;
    margin-bottom: 24px;
}
.form-success .btn {
    padding: 10px 30px;
    font-size: 14px;
}