/* roulang page: index */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --primary: #0a2d4c;
  --primary-light: #124b75;
  --primary-dark: #071f36;
  --accent: #0e97a8;
  --accent-light: #e1f5f8;
  --highlight: #f0b35a;
  --highlight-hover: #e6a449;
  --bg: #f5f8fb;
  --bg-deep: #0a2d4c;
  --white: #fff;
  --text: #152a3a;
  --text-muted: #5b6c7a;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(10,45,76,.05);
  --shadow: 0 10px 30px rgba(10,45,76,.08);
  --shadow-lg: 0 20px 50px rgba(10,45,76,.12);
  --transition: .25s ease;
  --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-family); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: color var(--transition); outline: none; }
a:focus-visible { outline: 3px solid rgba(14,151,168,.4); outline-offset: 2px; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; }
h1,h2,h3,h4,h5,h6 { color: var(--primary); font-weight: 700; line-height: 1.3; margin-bottom: .5rem; }
p { margin-bottom: 1rem; }
ul { padding: 0; margin: 0; list-style: none; }
.site-container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-head { margin-bottom: 2.8rem; }
.section-title { font-size: 2rem; font-weight: 800; margin-bottom: .75rem; }
.section-subtitle { color: var(--text-muted); font-size: 1.05rem; max-width: 640px; margin: 0 auto 0; }
.bg-white { background: var(--white); }
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.6rem; }
}

.btn { border-radius: 50px; font-weight: 600; padding: .7rem 1.5rem; transition: all var(--transition); border: 2px solid transparent; }
.btn-lg { padding: .85rem 1.8rem; font-size: 1rem; }
.btn-brand { background: var(--highlight); color: var(--primary); border-color: var(--highlight); }
.btn-brand:hover { background: var(--highlight-hover); border-color: var(--highlight-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(240,179,90,.3); color: var(--primary); }
.btn-primary-custom { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary-custom:hover { background: var(--primary-light); border-color: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(10,45,76,.25); }
.btn-outline-light-2 { border: 2px solid rgba(255,255,255,.6); color: #fff; background: transparent; }
.btn-outline-light-2:hover { background: rgba(255,255,255,.1); color: #fff; }

.badge { font-weight: 600; padding: .35em .75em; border-radius: 50px; font-size: .82rem; }
.badge-soft { background: var(--accent-light); color: var(--accent); }
.badge-warm { background: rgba(240,179,90,.18); color: #b47b1f; }
.badge-primary-soft { background: rgba(10,45,76,.08); color: var(--primary); }

.site-header { position: sticky; top: 0; z-index: 1030; background: rgba(255,255,255,.93); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.navbar { padding: .75rem 0; }
.navbar-brand { font-weight: 800; font-size: 1.3rem; color: var(--primary); display: inline-flex; align-items: center; gap: .55rem; }
.navbar-brand:hover { color: var(--primary); }
.brand-icon { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.navbar .nav-link { font-weight: 600; color: var(--text); padding: .5rem 1rem; border-radius: 10px; margin-left: .25rem; transition: all var(--transition); }
.navbar .nav-link:hover { color: var(--primary); background: var(--accent-light); }
.navbar .nav-link.active { color: var(--primary); background: var(--accent-light); }
.navbar-toggler { border: none; padding: .25rem .5rem; border-radius: 8px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(10,45,76,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.btn-nav-cta { background: var(--primary); color: #fff !important; border-radius: 50px; padding: .55rem 1.4rem !important; font-weight: 700; border: none; transition: all var(--transition); display: inline-block; }
.btn-nav-cta:hover { background: var(--accent); color: #fff !important; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(10,45,76,.22); }
@media (max-width: 991.98px) {
  .navbar-collapse { padding: 1rem 0; }
  .navbar .nav-link { padding: .65rem 1rem; margin-left: 0; }
  .btn-nav-cta { margin-top: .6rem; text-align: center; width: 100%; }
}

.hero { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #0e5e6e 100%); color: #fff; padding: 96px 0 88px; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: .2; }
.hero-content { position: relative; z-index: 2; }
.hero-eyebrow { display: inline-flex; align-items: center; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 50px; padding: .35rem 1rem; font-size: .85rem; letter-spacing: .04em; margin-bottom: 1.5rem; color: rgba(255,255,255,.95); }
.hero h1 { color: #fff; font-size: 3rem; font-weight: 800; line-height: 1.18; margin-bottom: 1rem; }
.hero p { color: rgba(255,255,255,.86); font-size: 1.15rem; max-width: 540px; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.8rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 1.4rem; color: rgba(255,255,255,.75); font-size: .92rem; }
.hero-trust i { color: #7fd6c0; margin-right: .35rem; }
.hero-card { background: rgba(255,255,255,.1); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; padding: 1.8rem 1.6rem; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.hero-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.hero-card h3 { color: #fff; font-size: 1.1rem; margin: 0; }
.hero-card ul li { display: flex; align-items: center; gap: .75rem; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.9); font-size: .95rem; }
.hero-card ul li:last-child { border-bottom: none; }
.hero-card ul li i { color: var(--highlight); width: 20px; text-align: center; }
@media (max-width: 767.98px) {
  .hero { padding: 68px 0 56px; text-align: center; }
  .hero p { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero h1 { font-size: 2rem; }
}

.stats-section { margin-top: -48px; position: relative; z-index: 5; padding: 0; }
.stat-card { background: var(--white); border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center; box-shadow: var(--shadow-sm); height: 100%; transition: transform var(--transition), box-shadow var(--transition); border: 1px solid rgba(226,232,240,.6); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.stat-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--accent-light); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 1rem; }
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { color: var(--text-muted); font-size: .95rem; margin-top: .3rem; }

.about-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 2.5rem; height: 100%; border: 1px solid rgba(226,232,240,.5); }
.about-card .lead { color: var(--text); font-size: 1.05rem; }
.about-point { display: flex; gap: .85rem; padding: .85rem 0; border-bottom: 1px dashed var(--border); }
.about-point:last-child { border-bottom: none; }
.about-point i { color: var(--accent); margin-top: .3rem; font-size: 1.1rem; }
.about-point strong { color: var(--primary); }
.about-point span { color: var(--text-muted); font-size: .95rem; }
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); height: 100%; min-height: 320px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; }

.category-card { display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%; background: var(--white); border: 1px solid rgba(226,232,240,.5); }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(14,151,168,.3); }
.category-card .cat-img { flex-shrink: 0; min-height: 220px; overflow: hidden; }
.category-card .cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.category-card:hover .cat-img img { transform: scale(1.05); }
.category-card .cat-body { padding: 1.8rem; flex: 1; display: flex; flex-direction: column; }
.category-card .cat-body h3 { font-size: 1.35rem; margin-bottom: .5rem; }
.category-card .cat-body p { color: var(--text-muted); font-size: .95rem; margin-bottom: 1.2rem; flex-grow: 1; }
.cat-link { display: inline-flex; align-items: center; gap: .5rem; color: var(--primary); font-weight: 700; transition: all var(--transition); }
.cat-link:hover { gap: .8rem; color: var(--accent); }

.news-card { display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.6rem; height: 100%; transition: all var(--transition); border: 1px solid rgba(226,232,240,.6); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(14,151,168,.4); }
.news-badge { align-self: flex-start; background: var(--accent-light); color: var(--accent); font-size: .78rem; font-weight: 700; padding: .25rem .7rem; border-radius: 50px; margin-bottom: .8rem; }
.news-card h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.4; margin-bottom: .5rem; transition: color var(--transition); }
.news-card:hover h3 { color: var(--accent); }
.news-card p { font-size: .92rem; color: var(--text-muted); flex-grow: 1; margin-bottom: .8rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; justify-content: space-between; align-items: center; margin-top: .8rem; font-size: .85rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: .75rem; }
.read-more { color: var(--primary); font-weight: 600; transition: color var(--transition); }
.news-card:hover .read-more { color: var(--accent); }
.empty-tip { background: var(--white); border-radius: var(--radius); padding: 2.5rem; text-align: center; color: var(--text-muted); border: 1px dashed var(--border); }

.step-card { background: var(--white); border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center; box-shadow: var(--shadow-sm); height: 100%; transition: all var(--transition); border: 1px solid rgba(226,232,240,.5); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; margin-bottom: 1rem; }
.step-card h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.step-card p { color: var(--text-muted); font-size: .92rem; margin: 0; }
.step-arrow { position: absolute; top: 50%; right: -12px; transform: translateY(-50%); color: var(--border); font-size: 1.2rem; z-index: 2; background: var(--bg); border-radius: 50%; }
@media (max-width: 991.98px) { .step-arrow { display: none; } }

.featured-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--white); box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%; border: 1px solid rgba(226,232,240,.5); }
.featured-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.featured-card .featured-img { height: 220px; overflow: hidden; position: relative; }
.featured-card .featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.featured-card:hover .featured-img img { transform: scale(1.06); }
.featured-card .featured-img .badge { position: absolute; top: 1rem; left: 1rem; }
.featured-card .featured-body { padding: 1.5rem; }
.featured-card .featured-body h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.featured-card .featured-body p { color: var(--text-muted); font-size: .95rem; margin-bottom: 1rem; }
.featured-meta { display: flex; gap: 1rem; font-size: .85rem; color: var(--text-muted); align-items: center; }
.featured-meta i { color: var(--accent); margin-right: .3rem; }

.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--border) !important; border-radius: var(--radius) !important; margin-bottom: 1rem; overflow: hidden; box-shadow: var(--shadow-sm); background: var(--white); }
.accordion-button { font-weight: 700; color: var(--primary); font-size: 1rem; padding: 1.1rem 1.4rem; background: var(--white); box-shadow: none; border-radius: var(--radius) !important; }
.accordion-button:not(.collapsed) { color: var(--primary); background: var(--accent-light); box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: var(--border); }
.accordion-body { color: var(--text-muted); padding: 1.2rem 1.4rem 1.4rem; }
.accordion-button::after { background-size: 1rem; }

.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary) 55%, #0e5e6e); position: relative; overflow: hidden; color: #fff; }
.cta-section::before { content: ''; position: absolute; top: -60%; right: -15%; width: 480px; height: 480px; border-radius: 50%; background: rgba(255,255,255,.04); }
.cta-section::after { content: ''; position: absolute; bottom: -80%; left: -10%; width: 420px; height: 420px; border-radius: 50%; background: rgba(255,255,255,.03); }
.cta-inner { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: .75rem; }
.cta-section p { color: rgba(255,255,255,.86); font-size: 1.05rem; max-width: 620px; margin: 0 auto 1.8rem; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: .75rem; }

.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.68); padding: 64px 0 0; }
.footer-top { padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.site-footer h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,.68); transition: all var(--transition); }
.site-footer a:hover { color: var(--highlight); padding-left: 4px; }
.site-footer ul li { padding: .3rem 0; font-size: .93rem; }
.footer-bottom { padding: 1.5rem 0; text-align: center; font-size: .88rem; color: rgba(255,255,255,.45); }
.footer-brand { font-size: 1.35rem; font-weight: 800; color: #fff; margin-bottom: .6rem; display: flex; align-items: center; gap: .5rem; }
.footer-brand .brand-icon { width: 34px; height: 34px; font-size: .9rem; }
.site-footer .footer-desc { font-size: .93rem; line-height: 1.7; max-width: 340px; }

.article-header { padding: 60px 0 40px; background: linear-gradient(135deg, #eef4f8, #e3f2f5); border-bottom: 1px solid var(--border); }
.article-title { font-size: 2.1rem; font-weight: 800; line-height: 1.35; }
.article-meta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; color: var(--text-muted); font-size: .93rem; margin-top: .75rem; }
.article-body-wrap { padding: 56px 0 64px; }
.article-content { background: var(--white); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow-sm); line-height: 1.9; border: 1px solid rgba(226,232,240,.5); }
.article-content h2, .article-content h3 { margin-top: 1.5rem; }
.article-content p { margin-bottom: 1.25rem; }
.article-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.breadcrumb-custom { font-size: .9rem; color: var(--text-muted); margin-bottom: 1rem; }
.breadcrumb-custom a { color: var(--accent); }
.breadcrumb-custom a:hover { color: var(--primary); }
.not-found { text-align: center; padding: 80px 20px; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); max-width: 720px; margin: 0 auto; }
.not-found h1 { font-size: 2rem; margin-bottom: .75rem; }
.not-found p { color: var(--text-muted); margin-bottom: 1.5rem; }

.category-banner { background: linear-gradient(135deg, var(--primary-dark), var(--primary) 52%, #0e5e6e); position: relative; overflow: hidden; color: #fff; padding: 84px 0 64px; }
.category-banner .banner-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: .18; }
.category-banner-inner { position: relative; z-index: 2; }
.category-banner h1 { color: #fff; font-size: 2.4rem; font-weight: 800; margin-bottom: .75rem; }
.category-banner p { color: rgba(255,255,255,.85); font-size: 1.08rem; max-width: 640px; margin: 0; }

.help-card { background: var(--white); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow-sm); height: 100%; border: 1px solid rgba(226,232,240,.5); transition: all var(--transition); }
.help-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.help-card .help-icon { width: 50px; height: 50px; border-radius: 14px; background: var(--accent-light); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 1.2rem; margin-bottom: 1rem; }
.help-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.help-card p { color: var(--text-muted); font-size: .93rem; margin-bottom: 0; }

.safety-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); padding: 1.5rem; height: 100%; backdrop-filter: blur(6px); }
.safety-card i { color: var(--highlight); font-size: 1.3rem; margin-bottom: .75rem; display: block; }
.safety-card h4 { color: #fff; font-size: 1rem; margin-bottom: .4rem; }
.safety-card p { color: rgba(255,255,255,.75); font-size: .9rem; margin: 0; }

.cta-simple { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 2.5rem; text-align: center; }
@media (max-width: 520px) {
  .site-container { padding-inline: 18px; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 1rem; }
  .about-card { padding: 1.5rem; }
  .featured-card .featured-img { height: 180px; }
  .article-content { padding: 1.5rem; }
  .article-title { font-size: 1.5rem; }
  .category-banner h1 { font-size: 1.8rem; }
  .cta-section h2 { font-size: 1.6rem; }
  .footer-bottom { font-size: .8rem; }
}

/* roulang page: article */
:root {
            --primary: #0f766e;
            --primary-light: #ccfbf1;
            --primary-dark: #115e59;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg-soft: #f4f8f7;
            --bg-white: #ffffff;
            --text-main: #16293b;
            --text-muted: #607089;
            --border: #e3ecea;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-soft: 0 8px 30px rgba(15, 75, 70, .08);
            --shadow-hover: 0 16px 40px rgba(15, 75, 70, .14);
            --transition: all .3s ease;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            border-radius: 999px;
            font-weight: 600;
            padding: 10px 28px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(15, 118, 110, .22);
        }
        .btn-primary:focus {
            box-shadow: 0 0 0 .25rem rgba(15, 118, 110, .25);
        }
        .btn-outline-primary {
            border-radius: 999px;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 118, 110, .2);
        }

        /* Header Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.18rem;
            font-weight: 800;
            color: var(--text-main);
        }
        .navbar-brand:hover {
            color: var(--text-main);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #14b8a6);
            color: #fff;
            border-radius: 12px;
            font-size: 1rem;
        }
        .navbar-nav {
            gap: 6px;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-main);
            padding: 8px 14px !important;
            border-radius: 10px;
            transition: var(--transition);
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-nav-cta {
            background: linear-gradient(135deg, var(--primary), #0d9488);
            color: #fff;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 6px 18px rgba(15, 118, 110, .25);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(15, 118, 110, .3);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            padding: .4rem .6rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,118,110,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 72px 0 80px;
            background: linear-gradient(115deg, rgba(8, 51, 61, .9), rgba(15, 118, 110, .72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }
        .page-hero .breadcrumb {
            --bs-breadcrumb-divider-color: rgba(255, 255, 255, .5);
            margin-bottom: 18px;
            font-size: .9rem;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, .78);
        }
        .page-hero .breadcrumb a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb-item.active {
            color: rgba(255, 255, 255, .95);
        }
        .page-hero .category-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }
        .page-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.7rem);
            font-weight: 800;
            margin: 18px 0 12px;
            line-height: 1.35;
            letter-spacing: .5px;
        }
        .page-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 16px;
            color: rgba(255, 255, 255, .82);
            font-size: 14px;
        }
        .page-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        /* Article Section */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            padding: 40px;
            border: 1px solid var(--border);
        }
        .article-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 30px;
        }
        .article-cover img {
            width: 100%;
            object-fit: cover;
        }
        .article-content {
            color: #2d3b4e;
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 1.5rem;
            margin: 28px 0 14px;
            font-weight: 700;
            color: var(--text-main);
        }
        .article-content h3 {
            font-size: 1.2rem;
            margin: 22px 0 12px;
            font-weight: 700;
            color: var(--text-main);
        }
        .article-content p {
            margin-bottom: 16px;
            line-height: 1.9;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.4rem;
            margin-bottom: 16px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            color: var(--primary-dark);
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
        }
        .article-content a {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* Empty */
        .article-empty {
            text-align: center;
            padding: 60px 20px;
        }
        .article-empty .empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 2rem;
        }
        .article-empty h2 {
            font-size: 1.6rem;
            color: var(--text-main);
            font-weight: 700;
        }
        .article-empty p {
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        /* Sidebar */
        .article-sidebar .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            padding: 26px;
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .sidebar-about .sidebar-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 18px;
        }
        .sidebar-about .sidebar-image img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .sidebar-card p {
            color: var(--text-muted);
            font-size: .93rem;
            line-height: 1.8;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            margin-bottom: 10px;
        }
        .sidebar-links a {
            color: var(--text-main);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 7px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .sidebar-links a i {
            color: var(--primary);
            font-size: .85rem;
        }
        .sidebar-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .sidebar-tip {
            background: linear-gradient(135deg, #fefce8, #ecfdf5);
            border-color: #e6e0c5;
        }
        .sidebar-tip .tip-icon {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-light);
            color: #b45309;
            border-radius: 14px;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }

        /* Related Section */
        .related-section {
            padding: 60px 0 90px;
            background: var(--bg-white);
        }
        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            letter-spacing: 2px;
            font-size: 13px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-main);
            margin: 0;
        }
        .section-head p {
            color: var(--text-muted);
            max-width: 620px;
            margin: 12px auto 0;
            font-size: .98rem;
        }
        .related-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            height: 100%;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img-wrap {
            overflow: hidden;
        }
        .related-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover img {
            transform: scale(1.05);
        }
        .related-card-body {
            padding: 24px;
        }
        .related-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .related-card-body h3 a {
            color: var(--text-main);
        }
        .related-card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card-body p {
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .related-card .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Feature Section */
        .feature-section {
            padding: 80px 0;
            background: var(--bg-soft);
        }
        .feature-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-soft);
            height: 100%;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 18px;
            font-size: 1.4rem;
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(120deg, #0b3b45, #0f766e);
            color: #fff;
        }
        .cta-box {
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-btn {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
        }
        .cta-btn:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
        }

        /* FAQ Section */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-soft);
        }
        .accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-soft);
        }
        .accordion-button {
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-white);
            font-size: .98rem;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-button::after {
            background-size: 1rem;
        }
        .accordion-body {
            color: var(--text-muted);
            padding: 6px 22px 22px;
            font-size: .95rem;
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: #0b2529;
            color: #b7c9cc;
            padding: 70px 0 24px;
        }
        .footer-brand {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, .6);
            font-size: .93rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
            font-size: .92rem;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }
        .site-footer ul a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 42px;
            padding-top: 22px;
            text-align: center;
            font-size: .88rem;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                box-shadow: var(--shadow-soft);
                border: 1px solid var(--border);
            }
            .navbar-nav {
                gap: 4px;
            }
            .nav-link {
                padding: 10px 14px;
            }
            .btn-nav-cta {
                margin-top: 8px;
                display: inline-flex;
                justify-content: center;
                width: 100%;
            }
            .page-hero {
                padding: 56px 0 60px;
            }
            .article-card {
                padding: 28px 24px;
            }
        }
        @media (max-width: 767px) {
            .article-section {
                padding-top: 44px;
            }
            .article-sidebar .sidebar-card {
                margin-top: 24px;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .related-section {
                padding: 50px 0 70px;
            }
        }
        @media (max-width: 520px) {
            .site-container {
                padding: 0 18px;
            }
            .article-card {
                padding: 20px 16px;
                border-radius: 16px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-meta {
                gap: 12px;
                font-size: 13px;
            }
            .cta-box {
                padding: 30px 18px;
                border-radius: 18px;
            }
            .feature-card {
                padding: 24px 16px;
            }
            .related-card-body {
                padding: 18px;
            }
            .sidebar-card {
                padding: 20px;
            }
        }
        @media (max-width: 380px) {
            .navbar-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: .85rem;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #0f2b5b;
  --primary-light: #1e3a6e;
  --primary-dark: #091d40;
  --accent: #c9a55c;
  --accent-light: #e8d5a8;
  --accent-dark: #b8954a;
  --bg-light: #f5f7fb;
  --bg-white: #ffffff;
  --text-dark: #1e2a3a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(15, 43, 91, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 43, 91, 0.12);
  --transition: all 0.3s ease;
  --header-height: 78px;
  --section-pad: 100px 0;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button {
  border: none;
  background: none;
  font: inherit;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
}

.site-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Navbar ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  box-shadow: 0 2px 18px rgba(15, 43, 91, 0.05);
  height: var(--header-height);
}

.site-header .navbar {
  height: var(--header-height);
  padding: 0;
}

.site-header .site-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary) !important;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  border-radius: 12px;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(15, 43, 91, 0.25);
}

.navbar-nav {
  gap: 4px;
}

.navbar-nav .nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  padding: 8px 18px !important;
  border-radius: 50px;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(15, 43, 91, 0.06);
}

.navbar-nav .nav-link.active {
  color: var(--primary);
  background: rgba(15, 43, 91, 0.08);
  font-weight: 700;
}

.navbar-nav .nav-link:focus-visible {
  outline: 3px solid rgba(201, 165, 92, 0.5);
  outline-offset: 2px;
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--accent), #e2c07e);
  color: var(--primary) !important;
  border-radius: 50px;
  padding: 10px 24px !important;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  box-shadow: 0 4px 16px rgba(201, 165, 92, 0.35);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(201, 165, 92, 0.45);
  color: var(--primary) !important;
}

.btn-nav-cta:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(201, 165, 92, 0.3);
}

.navbar-toggler {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 6px 10px;
  color: var(--primary);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.4);
}

.navbar-toggler-icon {
  background-image: none;
  width: 22px;
  height: 2px;
  background: var(--primary);
  position: relative;
  display: inline-block;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.navbar-toggler-icon::before {
  top: -7px;
}

.navbar-toggler-icon::after {
  top: 7px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 160px 0 140px;
  display: flex;
  align-items: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(9, 29, 64, 0.92) 0%, rgba(15, 43, 91, 0.82) 40%, rgba(15, 43, 91, 0.55) 100%);
  z-index: 1;
}

.page-hero .site-container {
  position: relative;
  z-index: 2;
}

.page-hero-content {
  max-width: 760px;
  color: #fff;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 22px;
}

.breadcrumb-nav a {
  color: var(--accent-light);
  font-weight: 600;
}

.breadcrumb-nav a:hover {
  color: #fff;
}

.breadcrumb-sep {
  opacity: 0.6;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  border-radius: 50px;
  padding: 7px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.4px;
}

.hero-badge i {
  color: var(--accent-light);
}

.page-hero h1 {
  font-size: 3.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.page-hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin-bottom: 34px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-btns .btn {
  border-radius: 50px;
  padding: 13px 32px;
  font-weight: 600;
  font-size: 1rem;
}

.hero-btns .btn-primary {
  background: var(--accent);
  border: none;
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(201, 165, 92, 0.4);
}

.hero-btns .btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
}

.hero-btns .btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}

.hero-btns .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-3px);
}

/* ===== Section Base ===== */
.section-pad {
  padding: var(--section-pad);
}

.section-tag {
  display: inline-block;
  background: rgba(201, 165, 92, 0.15);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-heading {
  margin-bottom: 50px;
}

.section-heading h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.section-heading p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-heading.text-white h2 {
  color: #fff;
}

.section-heading.text-white p {
  color: rgba(255, 255, 255, 0.8);
}

.section-heading.text-white .section-tag {
  background: rgba(255, 255, 255, 0.15);
  color: var(--accent-light);
}

/* ===== Overview Section ===== */
.overview-section {
  padding: var(--section-pad);
  background: var(--bg-white);
}

.overview-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.overview-section .lead-text {
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.85;
}

.check-list {
  margin-top: 22px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-weight: 600;
  color: var(--text-dark);
}

.check-list li i {
  color: var(--accent);
  font-size: 1.1rem;
}

.overview-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.overview-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.overview-media:hover img {
  transform: scale(1.03);
}

.experience-badge {
  position: absolute;
  right: 24px;
  bottom: 24px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 18px 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.experience-badge .number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.experience-badge .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1.4;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
  padding: 40px 30px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.stats-row::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 170px;
  height: 170px;
  background: rgba(201, 165, 92, 0.15);
  border-radius: 50%;
}

.stats-row::after {
  content: "";
  position: absolute;
  bottom: -70px;
  left: 30px;
  width: 130px;
  height: 130px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 6px;
}

/* ===== Service Cards ===== */
.service-cards-section {
  padding: var(--section-pad);
  background: var(--bg-light);
}

.service-card {
  background: var(--bg-white);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 165, 92, 0.4);
}

.card-thumb {
  position: relative;
  height: 198px;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .card-thumb img {
  transform: scale(1.08);
}

.thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 43, 91, 0.75) 0%, rgba(15, 43, 91, 0) 55%);
}

.card-icon {
  position: absolute;
  left: 20px;
  bottom: 16px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 6px 18px rgba(201, 165, 92, 0.4);
  z-index: 2;
}

.service-card .card-body {
  padding: 26px 22px 22px;
}

.service-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.card-link i {
  transition: transform 0.3s ease;
}

.card-link:hover {
  color: var(--accent-dark);
}

.card-link:hover i {
  transform: translateX(4px);
}

/* ===== Process Section ===== */
.process-section {
  padding: var(--section-pad);
  background: var(--bg-white);
  position: relative;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 20px;
  margin-top: 30px;
}

.process-item {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  transition: var(--transition);
}

.process-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 165, 92, 0.4);
}

.process-number {
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(201, 165, 92, 0.12);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
}

.process-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(15, 43, 91, 0.22);
}

.process-item h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.process-line {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  padding-top: 90px;
}

.process-line::before {
  content: "";
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}

.process-line:first-of-type::before {
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* ===== Safety Section ===== */
.safety-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: var(--section-pad);
}

.safety-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 29, 64, 0.94) 0%, rgba(15, 43, 91, 0.88) 100%);
  z-index: 1;
}

.safety-section .site-container {
  position: relative;
  z-index: 2;
}

.safety-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: 32px 24px;
  height: 100%;
  transition: var(--transition);
}

.safety-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-5px);
}

.safety-icon {
  width: 54px;
  height: 54px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(201, 165, 92, 0.35);
}

.safety-card h3 {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.safety-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: var(--section-pad);
  background: var(--bg-light);
}

.faq-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.faq-section .faq-desc {
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.85;
}

.faq-media {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  max-height: 230px;
}

.faq-media img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.accordion {
  --bs-accordion-border-color: var(--border);
  --bs-accordion-border-radius: var(--radius);
  --bs-accordion-bg: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius) !important;
  overflow: hidden;
}

.accordion-item {
  border: none !important;
  border-bottom: 1px solid var(--border) !important;
  background: transparent;
}

.accordion-item:last-child {
  border-bottom: none !important;
}

.accordion-button {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: var(--transition);
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: rgba(201, 165, 92, 0.06);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.35);
  border-color: transparent;
}

.accordion-button::after {
  color: var(--accent);
  flex-shrink: 0;
}

.accordion-body {
  padding: 4px 24px 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  background: var(--bg-white);
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 120px 0;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 29, 64, 0.92) 0%, rgba(15, 43, 91, 0.78) 100%);
  z-index: 1;
}

.cta-section .site-container {
  position: relative;
  z-index: 2;
}

.cta-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: #fff;
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-buttons .btn {
  border-radius: 50px;
  padding: 14px 36px;
  font-weight: 600;
  font-size: 1rem;
}

.cta-buttons .btn-light {
  background: #fff;
  color: var(--primary);
  border: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.cta-buttons .btn-light:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
}

.cta-buttons .btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}

.cta-buttons .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 70px;
}

.footer-top {
  padding-bottom: 45px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-light);
  box-shadow: none;
}

.footer-desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
}

.site-footer h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.site-footer ul li {
  margin-bottom: 10px;
}

.site-footer ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  transition: var(--transition);
}

.site-footer ul li a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.site-footer .footer-info {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  :root {
    --section-pad: 74px 0;
  }

  .site-header {
    height: auto;
    min-height: var(--header-height);
  }

  .site-header .site-container {
    flex-wrap: wrap;
    padding: 12px 20px;
    height: auto;
  }

  .navbar-collapse {
    width: 100%;
    background: #fff;
    border-radius: 16px;
    padding: 16px;
    margin-top: 12px;
    box-shadow: 0 16px 40px rgba(15, 43, 91, 0.12);
    border: 1px solid var(--border);
  }

  .navbar-nav {
    gap: 6px;
    margin: 0 !important;
  }

  .navbar-nav .nav-link {
    padding: 10px 16px !important;
  }

  .btn-nav-cta {
    display: block;
    text-align: center;
    margin-top: 8px;
  }

  .page-hero {
    padding: 130px 0 110px;
  }

  .page-hero h1 {
    font-size: 2.6rem;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 20px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 420px;
    margin: 0 auto;
  }

  .process-line {
    display: none;
  }

  .section-heading h2 {
    font-size: 2rem;
  }

  .overview-media img {
    height: 340px;
  }
}

@media (max-width: 767.98px) {
  .page-hero h1 {
    font-size: 2.1rem;
  }

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

  .hero-badge {
    font-size: 0.78rem;
  }

  .section-heading h2,
  .overview-section h2,
  .faq-section h2 {
    font-size: 1.7rem;
  }

  .section-gap {
    padding: 60px 0;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    padding: 30px 20px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .cta-inner h2 {
    font-size: 1.8rem;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

  .experience-badge {
    right: 16px;
    bottom: 16px;
    padding: 14px 20px;
  }

  .experience-badge .number {
    font-size: 1.8rem;
  }
}

@media (max-width: 575.98px) {
  .site-header .site-container {
    padding: 10px 16px;
  }

  .navbar-brand {
    font-size: 1.05rem;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }

  .page-hero {
    padding: 110px 0 90px;
  }

  .page-hero h1 {
    font-size: 1.8rem;
  }

  .hero-btns .btn {
    width: 100%;
    text-align: center;
  }

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

  .stat-item {
    padding: 8px 0;
  }

  .service-card .card-body {
    padding: 20px 18px;
  }

  .process-item {
    padding: 34px 20px;
  }

  .safety-card {
    padding: 24px 20px;
  }

  .cta-section {
    padding: 80px 0;
  }

  .footer-top {
    padding-bottom: 30px;
  }

  .footer-top .row [class*="col-"] {
    margin-bottom: 24px;
  }
}