/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1a2a4a;
  --primary-light: #2c3e6a;
  --primary-dark: #0f1a30;
  --accent: #c9a84c;
  --accent-light: #dfc06a;
  --accent-dark: #a88a30;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-dark: #0f1a30;
  --text: #1a1a2e;
  --text-light: #5a6a7a;
  --text-muted: #8a9aaa;
  --text-inverse: #ffffff;
  --border: #e8ecf0;
  --border-light: #f0f2f5;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.07);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.10);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --container: 1200px;
  --nav-height: 72px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary-dark); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { margin-bottom: 1rem; color: var(--text-light); }
/* ===== 容器 ===== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
/* ===== 导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); height: var(--nav-height);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.nav-main { display: flex; align-items: center; gap: 36px; }
.nav-main a {
  font-size: 0.95rem; font-weight: 500; color: var(--text-light);
  position: relative; padding: 6px 0; letter-spacing: 0.3px;
  transition: color var(--transition);
}
.nav-main a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0;
  height: 2px; background: var(--accent); transition: width var(--transition);
}
.nav-main a:hover { color: var(--primary); }
.nav-main a:hover::after { width: 100%; }
.nav-main a.active { color: var(--primary); }
.nav-main a.active::after { width: 100%; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; background: var(--accent); color: var(--primary-dark) !important;
  border-radius: 50px; font-weight: 600; font-size: 0.9rem;
  transition: all var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(201,168,76,0.3); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.mobile-toggle span { display: block; width: 28px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .nav-main { position: fixed; top: var(--nav-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); flex-direction: column; padding: 24px 32px; gap: 20px; border-bottom: 1px solid var(--border); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: all 0.4s cubic-bezier(0.4,0,0.2,1); box-shadow: var(--shadow-lg); }
  .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-main a { font-size: 1.1rem; }
  .nav-cta { align-self: flex-start; }
}
/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  position: relative; overflow: hidden; padding: 120px 0 80px;
}
.hero-bg {
  position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.15; mix-blend-mode: overlay;
}
.hero-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 25% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
                    radial-gradient(circle at 75% 30%, rgba(201,168,76,0.05) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-tag {
  display: inline-block; padding: 6px 18px; background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.25); border-radius: 50px;
  color: var(--accent); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.5px;
  margin-bottom: 24px; backdrop-filter: blur(4px);
}
.hero h1 { color: var(--text-inverse); margin-bottom: 1.2rem; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.75); max-width: 600px; margin-bottom: 2rem; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer; transition: all var(--transition);
  text-decoration: none !important;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(201,168,76,0.3); }
.btn-outline { background: transparent; color: var(--text-inverse); border: 2px solid rgba(255,255,255,0.25); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 100px 0 60px; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
}
/* ===== 板块通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-inverse); }
.section-dark h2, .section-dark h3 { color: var(--text-inverse); }
.section-dark p { color: rgba(255,255,255,0.7); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: var(--accent); margin: 16px auto 0; border-radius: 2px; }
.section-title p { max-width: 600px; margin: 12px auto 0; font-size: 1.05rem; }
/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; gap: 20px; } }
.card {
  background: var(--bg); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 24px; }
.card-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
.card-body p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-muted); margin-top: 12px; }
.tag {
  display: inline-block; padding: 3px 12px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 500; background: rgba(201,168,76,0.12);
  color: var(--accent-dark); border: 1px solid rgba(201,168,76,0.15);
}
/* ===== 统计数字 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-label { font-size: 0.95rem; color: var(--text-light); margin-top: 8px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
/* ===== 流程 ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { text-align: center; padding: 32px 20px; background: var(--bg); border-radius: var(--radius-md); border: 1px solid var(--border); position: relative; }
.process-step .step-num { width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: var(--accent); color: var(--primary-dark); font-weight: 800; font-size: 1.2rem; margin: 0 auto 16px; }
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; margin-bottom: 0; }
@media (max-width: 768px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--primary); }
.faq-question .icon { font-size: 1.4rem; transition: transform var(--transition); color: var(--accent); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding-top: 0; color: var(--text-light); }
.faq-item.open .faq-answer { max-height: 300px; padding-top: 16px; }
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.08; }
.cta-section h2 { color: var(--text-inverse); margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 2rem; }
.cta-section .btn-primary { font-size: 1.05rem; padding: 16px 40px; }
/* ===== 页脚 ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--text-inverse); display: inline-block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
.footer-col h4 { color: var(--text-inverse); font-size: 0.95rem; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.55); padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
/* ===== 最新资讯列表 ===== */
.post-list { max-width: 800px; margin: 0 auto; }
.post-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-light); align-items: flex-start; }
.post-item:last-child { border-bottom: none; }
.post-thumb { width: 120px; height: 80px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.post-info { flex: 1; min-width: 0; }
.post-info h4 { font-size: 1.05rem; margin-bottom: 6px; }
.post-info h4 a { color: var(--primary); }
.post-info h4 a:hover { color: var(--accent); }
.post-info p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { font-size: 0.82rem; color: var(--text-muted); display: flex; gap: 16px; }
@media (max-width: 480px) { .post-thumb { width: 80px; height: 60px; } }
/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); font-size: 1rem; background: var(--bg-alt); border-radius: var(--radius-md); }
/* ===== 分类入口 ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: var(--radius-md); overflow: hidden; min-height: 240px; display: flex; align-items: flex-end; cursor: pointer; transition: all var(--transition); }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-card .overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(15,26,48,0.85) 0%, rgba(15,26,48,0.1) 60%, transparent 100%); z-index: 1; }
.category-card .cat-info { position: relative; z-index: 2; padding: 28px 24px; width: 100%; }
.category-card .cat-info h3 { color: var(--text-inverse); margin-bottom: 4px; }
.category-card .cat-info p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 0; }
@media (max-width: 768px) { .category-grid { grid-template-columns: 1fr; } }
/* ===== 辅助 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.gap-1 { gap: 1rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e87a2a;
            --accent-light: #f09a4a;
            --accent-dark: #c0601a;
            --bg-body: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #f0f3f7;
            --bg-dark: #1a2a3a;
            --text-dark: #1a1a2e;
            --text-mid: #4a4a5e;
            --text-light: #7a7a8e;
            --text-white: #ffffff;
            --border: #e2e6ed;
            --border-light: #f0f2f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.08);
            --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.12);
            --shadow-hover: 0 12px 36px rgba(26, 58, 92, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
        }

        h1 {
            font-size: 2.75rem;
        }
        h2 {
            font-size: 2.125rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.125rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0;
        }
        .logo span {
            color: var(--accent);
            font-weight: 300;
        }
        .logo:hover {
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .nav-main a {
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-mid);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-main a:hover {
            color: var(--primary);
        }
        .nav-main a:hover::after {
            width: 100%;
        }
        .nav-main a.active {
            color: var(--primary);
        }
        .nav-main a.active::after {
            width: 100%;
            background: var(--primary);
        }

        .nav-main .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: var(--accent);
            color: var(--text-white) !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.875rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .nav-main .nav-cta::after {
            display: none;
        }
        .nav-main .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 122, 42, 0.35);
            color: var(--text-white) !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero Banner ===== */
        .page-hero {
            padding: calc(var(--header-h) + 48px) 0 64px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(232, 122, 42, 0.12) 0%, transparent 60%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            color: var(--text-white);
            font-size: 2.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .page-hero p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 50px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .page-hero .hero-badge i {
            color: var(--accent-light);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding: 16px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-wrap .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-light);
        }
        .breadcrumb-wrap .breadcrumb a {
            color: var(--text-mid);
        }
        .breadcrumb-wrap .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap .breadcrumb span {
            color: var(--text-dark);
            font-weight: 500;
        }
        .breadcrumb-wrap .breadcrumb .sep {
            color: var(--border);
            font-weight: 300;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            font-size: 2.125rem;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .label-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(232, 122, 42, 0.10);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-dark .section-header .label-tag {
            background: rgba(255, 255, 255, 0.10);
            color: var(--accent-light);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .card .card-body {
            padding: 24px;
        }
        .card .card-body h3 {
            font-size: 1.125rem;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .card .card-body h3 a {
            color: var(--text-dark);
        }
        .card .card-body h3 a:hover {
            color: var(--accent);
        }
        .card .card-body p {
            color: var(--text-light);
            font-size: 0.925rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .card .card-body .meta i {
            margin-right: 4px;
        }
        .card .card-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
        }
        .card .card-footer .tag {
            display: inline-flex;
            padding: 2px 12px;
            background: var(--bg-light);
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--text-mid);
            font-weight: 500;
        }

        /* ===== Steps / Timeline ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-wrap::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--primary-light), var(--accent));
            opacity: 0.25;
            z-index: 0;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-white);
            padding: 32px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--text-white);
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(232, 122, 42, 0.25);
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            gap: 16px;
            user-select: none;
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-answer-inner {
            padding-top: 12px;
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--accent);
            color: var(--text-white);
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232, 122, 42, 0.35);
            color: var(--text-white);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: transparent;
            color: var(--text-white);
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
            color: var(--text-white);
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-item .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-item .stat-num span {
            color: var(--accent);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== Tags / Labels ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-list a {
            display: inline-block;
            padding: 6px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-mid);
            font-weight: 500;
            transition: all var(--transition);
        }
        .tag-list a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        /* ===== Content List ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .content-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .content-list-item:last-child {
            border-bottom: none;
        }
        .content-list-item .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--border);
            min-width: 40px;
            font-feature-settings: "tnum";
        }
        .content-list-item .info {
            flex: 1;
        }
        .content-list-item .info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .content-list-item .info h4 a {
            color: var(--text-dark);
        }
        .content-list-item .info h4 a:hover {
            color: var(--accent);
        }
        .content-list-item .info p {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .content-list-item .badge {
            padding: 4px 14px;
            background: rgba(232, 122, 42, 0.10);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.5rem;
            margin-bottom: 16px;
            display: inline-block;
        }
        .site-footer .footer-brand .logo span {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 280px;
        }
        .site-footer .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap::before {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 2.25rem;
            }
            .section-header h2 {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                pointer-events: none;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                font-size: 1rem;
                width: 100%;
            }
            .nav-main .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 22px;
            }
            .nav-toggle {
                display: flex;
            }
            .page-hero {
                padding: calc(var(--header-h) + 32px) 0 48px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 1.75rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 1.75rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .content-list-item {
                flex-wrap: wrap;
                gap: 12px;
            }
            .content-list-item .num {
                font-size: 1.2rem;
                min-width: 30px;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .cta-section .btn-group {
                flex-direction: column;
                width: 100%;
            }
            .cta-section .btn-group .btn-primary,
            .cta-section .btn-group .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            z-index: 999;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity var(--transition), transform var(--transition), background var(--transition);
            border: none;
        }
        .back-top.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text-white);
        }

/* roulang page: article */
:root {
  --primary: #1e3a5f;
  --primary-light: #2d5a8e;
  --primary-dark: #0f2338;
  --accent: #c8a96e;
  --accent-light: #dfc28a;
  --accent-dark: #a88a4e;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-dark: #0f2338;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --container: 1200px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  padding-top: var(--nav-height);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 600; color: var(--primary-dark); }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary-dark); letter-spacing: -0.03em; }
.logo span { color: var(--accent); }
.logo:hover { color: var(--primary-dark); }
.nav-main { display: flex; align-items: center; gap: 32px; }
.nav-main a {
  font-size: 0.95rem; font-weight: 500; color: var(--text-muted);
  position: relative; padding: 6px 0; transition: color var(--transition);
}
.nav-main a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--accent); transition: width var(--transition); border-radius: 2px;
}
.nav-main a:hover { color: var(--primary); }
.nav-main a:hover::after { width: 100%; }
.nav-main a.active { color: var(--primary); }
.nav-main a.active::after { width: 100%; background: var(--accent); }
.nav-main a.nav-cta {
  background: var(--primary); color: #fff; padding: 8px 22px; border-radius: 50px;
  font-weight: 600; font-size: 0.9rem; transition: all var(--transition);
}
.nav-main a.nav-cta::after { display: none; }
.nav-main a.nav-cta:hover { background: var(--accent); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(200,169,110,0.35); }
.nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; background: none; border: none; padding: 4px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-main {
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
    padding: 16px 24px; transform: translateY(-120%); opacity: 0;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1); pointer-events: none;
  }
  .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-main a { padding: 14px 0; border-bottom: 1px solid var(--border-light); width: 100%; }
  .nav-main a:last-child { border-bottom: none; }
  .nav-main a.nav-cta { margin-top: 10px; text-align: center; }
}

/* ===== ARTICLE BANNER ===== */
.article-banner {
  position: relative; padding: 80px 0 60px;
  background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff; overflow: hidden;
}
.article-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,35,56,0.85) 0%, rgba(30,58,95,0.7) 100%);
}
.article-banner .container { position: relative; z-index: 2; }
.article-banner .breadcrumb {
  display: flex; align-items: center; gap: 8px; margin-bottom: 24px;
  font-size: 0.85rem; color: var(--text-light);
}
.article-banner .breadcrumb a { color: rgba(255,255,255,0.7); }
.article-banner .breadcrumb a:hover { color: var(--accent); }
.article-banner .breadcrumb .sep { color: rgba(255,255,255,0.35); }
.article-banner .breadcrumb .current { color: var(--accent); }
.article-banner .cat-tag {
  display: inline-block; background: var(--accent); color: var(--primary-dark);
  padding: 4px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 16px; letter-spacing: 0.02em;
}
.article-banner h1 {
  color: #fff; max-width: 860px; margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.article-banner .meta {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  font-size: 0.9rem; color: rgba(255,255,255,0.75);
}
.article-banner .meta i { margin-right: 4px; color: var(--accent); }
.article-banner .meta span { display: flex; align-items: center; gap: 4px; }
@media (max-width: 768px) {
  .article-banner { padding: 60px 0 40px; }
}

/* ===== ARTICLE CONTENT ===== */
.article-section { padding: 60px 0; background: var(--bg); }
.article-layout { max-width: 860px; margin: 0 auto; }
.article-body { font-size: 1.05rem; line-height: 1.9; color: var(--text); }
.article-body p { margin-bottom: 1.5em; }
.article-body h2, .article-body h3, .article-body h4 { margin-top: 2em; margin-bottom: 0.8em; }
.article-body ul, .article-body ol { margin-bottom: 1.5em; padding-left: 1.8em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4em; }
.article-body a { color: var(--accent-dark); border-bottom: 1px solid transparent; }
.article-body a:hover { border-bottom-color: var(--accent); }
.article-body blockquote {
  border-left: 4px solid var(--accent); padding: 16px 24px; margin: 1.5em 0;
  background: var(--bg-alt); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--text-muted);
}
.article-body img { border-radius: var(--radius-md); margin: 1.8em auto; box-shadow: var(--shadow-sm); }
.article-body code { background: var(--bg-alt); padding: 2px 10px; border-radius: 4px; font-size: 0.9em; color: var(--primary); }
.article-feature-img { margin-bottom: 32px; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.article-not-found {
  text-align: center; padding: 80px 20px;
}
.article-not-found i { font-size: 3rem; color: var(--text-light); margin-bottom: 16px; }
.article-not-found h2 { margin-bottom: 12px; }
.article-not-found p { color: var(--text-muted); margin-bottom: 24px; }
.article-not-found .btn-back { display: inline-block; padding: 12px 32px; background: var(--primary); color: #fff; border-radius: 50px; font-weight: 600; transition: all var(--transition); }
.article-not-found .btn-back:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ===== ARTICLE INFO BAR ===== */
.article-info-bar {
  padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin: 40px 0 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.article-tags .tag {
  display: inline-block; background: var(--bg-alt); color: var(--text-muted);
  padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; border: 1px solid var(--border);
  transition: all var(--transition);
}
.article-tags .tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.article-share { display: flex; align-items: center; gap: 10px; }
.article-share span { font-size: 0.85rem; color: var(--text-muted); }
.article-share a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; background: var(--bg-alt);
  color: var(--text-muted); font-size: 0.95rem; border: 1px solid var(--border);
  transition: all var(--transition);
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

/* ===== RELATED POSTS ===== */
.related-section { padding: 60px 0; background: var(--bg-alt); }
.related-header { text-align: center; margin-bottom: 40px; }
.related-header h2 { margin-bottom: 8px; }
.related-header p { color: var(--text-muted); font-size: 1rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--bg); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.related-card .card-img { height: 180px; overflow: hidden; background: var(--bg-alt); }
.related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.related-card:hover .card-img img { transform: scale(1.05); }
.related-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-body .cat {
  font-size: 0.75rem; color: var(--accent); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; margin-bottom: 6px;
}
.related-card .card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.related-card .card-body h3 a { color: var(--primary-dark); }
.related-card .card-body h3 a:hover { color: var(--accent); }
.related-card .card-body p { font-size: 0.9rem; color: var(--text-muted); flex: 1; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body .time { font-size: 0.8rem; color: var(--text-light); }
.related-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); grid-column: 1 / -1; }
@media (max-width: 992px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .related-grid { grid-template-columns: 1fr; } }

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0; background: var(--bg-dark) url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  position: relative; text-align: center;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,35,56,0.88) 0%, rgba(30,58,95,0.78) 100%);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-section .cta-btn {
  display: inline-block; padding: 14px 42px; background: var(--accent); color: var(--primary-dark);
  border-radius: 50px; font-weight: 700; font-size: 1rem;
  transition: all var(--transition); box-shadow: 0 4px 20px rgba(200,169,110,0.3);
}
.cta-section .cta-btn:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,169,110,0.4); }
.cta-section .cta-phone { display: inline-block; margin-top: 12px; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.cta-section .cta-phone i { margin-right: 6px; color: var(--accent); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--primary-dark); color: var(--text-white); padding: 60px 0 0;
}
.site-footer .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; font-size: 1.5rem; }
.footer-brand .logo span { color: var(--accent); }
.footer-brand p { margin-top: 14px; color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 320px; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; font-weight: 600; letter-spacing: 0.02em; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.88rem; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center; padding: 20px 0; color: rgba(255,255,255,0.35);
  font-size: 0.82rem; letter-spacing: 0.01em;
}
@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }