/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0b1a30;
  --primary-light: #1a2d4a;
  --primary-dark: #060f1c;
  --accent: #d4a843;
  --accent-light: #e8c46a;
  --accent-dark: #b88e2e;
  --bg: #f0f2f5;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-white: #f9fafb;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-accent: 0 4px 20px rgba(212,168,67,0.3);
  --transition: all 0.3s ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max-width: 1200px;
  --header-height: 76px;
}

/* ===== 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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent-dark); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary); }
h1 { font-size: 2.8rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.4rem; font-weight: 600; }
h4 { font-size: 1.15rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--text-light); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== Section Spacing ===== */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 16px; }
.section-subtitle { text-align: center; color: var(--text-light); max-width: 640px; margin: 0 auto 48px; font-size: 1.05rem; }
.section-divider { width: 60px; height: 4px; background: var(--accent); border-radius: 2px; margin: 16px auto 40px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem;
  transition: var(--transition); border: 2px solid transparent;
}
.btn-accent { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-light); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-accent); }
.btn-outline { background: transparent; color: var(--text-white); border-color: var(--text-white); }
.btn-outline:hover { background: var(--text-white); color: var(--primary); transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-lg { padding: 16px 44px; font-size: 1.1rem; }

/* ===== Badge / Tag ===== */
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  background: var(--accent); color: var(--primary); letter-spacing: 0.3px;
}
.tag {
  display: inline-block; padding: 4px 12px; border-radius: 6px; font-size: 0.78rem; font-weight: 500;
  background: var(--bg); color: var(--text-light); border: 1px solid var(--border); transition: var(--transition);
}
.tag:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); }

/* ===== Card ===== */
.card {
  background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: var(--transition); border: 1px solid var(--border-light);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.card-body { padding: 20px 24px 24px; }
.card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: var(--primary); }
.card-text { font-size: 0.92rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-light); }

/* ===== Grid ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(11, 26, 48, 0.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06); height: var(--header-height);
}
.header .container { display: flex; align-items: center; height: 100%; gap: 32px; }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--text-white); white-space: nowrap; letter-spacing: 0.5px; }
.logo span { color: var(--accent); }
.logo:hover { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav a {
  padding: 8px 18px; border-radius: 50px; font-size: 0.92rem; font-weight: 500;
  color: rgba(255,255,255,0.7); transition: var(--transition); position: relative;
}
.nav a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.nav a.active { color: var(--text-white); background: rgba(212,168,67,0.2); }
.nav a.active::after { display: none; }
.header-search {
  flex: 1; max-width: 420px; position: relative; margin-left: auto;
}
.header-search input {
  width: 100%; padding: 10px 20px 10px 44px; border-radius: 50px;
  background: rgba(255,255,255,0.1); color: var(--text-white);
  border: 1px solid rgba(255,255,255,0.12); font-size: 0.9rem;
  transition: var(--transition);
}
.header-search input::placeholder { color: rgba(255,255,255,0.4); }
.header-search input:focus { background: rgba(255,255,255,0.16); border-color: var(--accent); }
.header-search i { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,0.4); font-size: 0.9rem; }
.mobile-toggle { display: none; color: var(--text-white); font-size: 1.4rem; padding: 8px; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  min-height: 92vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  position: relative; overflow: hidden; margin-top: var(--header-height); padding: 60px 0;
}
.hero-bg {
  position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.2; pointer-events: none;
}
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(11,26,48,0.3) 0%, rgba(11,26,48,0.7) 100%); }
.hero .container { position: relative; z-index: 2; text-align: center; }
.hero h1 { color: var(--text-white); font-size: 3.2rem; line-height: 1.2; margin-bottom: 20px; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.hero h1 span { color: var(--accent); }
.hero p { color: rgba(255,255,255,0.7); font-size: 1.2rem; max-width: 640px; margin: 0 auto 36px; }
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero-badge { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(212,168,67,0.2); color: var(--accent-light); font-size: 0.85rem; font-weight: 500; margin-bottom: 24px; border: 1px solid rgba(212,168,67,0.25); }

/* ===== Features / Intro ===== */
.intro { background: var(--bg-white); }
.intro-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; margin-top: 40px; }
.intro-item { text-align: center; padding: 32px 24px; border-radius: var(--radius); background: var(--bg); transition: var(--transition); border: 1px solid var(--border-light); }
.intro-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.intro-item i { font-size: 2.4rem; color: var(--accent); margin-bottom: 16px; display: block; }
.intro-item h4 { margin-bottom: 8px; }
.intro-item p { font-size: 0.92rem; margin-bottom: 0; }

/* ===== Categories ===== */
.categories { background: var(--bg); }
.cat-card { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border-light); }
.cat-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cat-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.cat-card-body { padding: 20px 24px 24px; }
.cat-card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
.cat-card-body p { font-size: 0.9rem; margin-bottom: 12px; }
.cat-card-body .btn { padding: 8px 20px; font-size: 0.85rem; }

/* ===== Latest Posts (CMS) ===== */
.latest-posts { background: var(--bg-white); }
.post-card { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-light); transition: var(--transition); }
.post-card:last-child { border-bottom: none; }
.post-card:hover { transform: translateX(6px); }
.post-card img { width: 160px; height: 110px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.post-card-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.post-card-info h3 { font-size: 1.08rem; margin-bottom: 6px; }
.post-card-info h3 a { color: var(--primary); }
.post-card-info h3 a:hover { color: var(--accent-dark); }
.post-card-info p { font-size: 0.88rem; margin-bottom: 8px; color: var(--text-light); }
.post-meta { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); }
.post-meta i { margin-right: 4px; }
.empty-msg { text-align: center; padding: 48px 20px; color: var(--text-light); font-size: 1rem; background: var(--bg); border-radius: var(--radius); }

/* ===== Process / Steps ===== */
.process { background: var(--primary); position: relative; }
.process::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.08; pointer-events: none; }
.process .section-title { color: var(--text-white); }
.process .section-subtitle { color: rgba(255,255,255,0.6); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
.step-item { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); transition: var(--transition); }
.step-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.step-num { width: 48px; height: 48px; line-height: 48px; border-radius: 50%; background: var(--accent); color: var(--primary); font-weight: 800; font-size: 1.2rem; margin: 0 auto 16px; }
.step-item h4 { color: var(--text-white); margin-bottom: 8px; }
.step-item p { color: rgba(255,255,255,0.55); font-size: 0.88rem; margin-bottom: 0; }

/* ===== Advantages ===== */
.advantages { background: var(--bg); }
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.adv-card { background: var(--bg-card); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); display: flex; gap: 16px; align-items: flex-start; }
.adv-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.adv-icon { width: 52px; height: 52px; border-radius: 12px; background: rgba(212,168,67,0.12); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--accent); flex-shrink: 0; }
.adv-card h4 { margin-bottom: 4px; }
.adv-card p { font-size: 0.88rem; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq { background: var(--bg-white); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--accent); }
.faq-question { padding: 18px 24px; font-weight: 600; font-size: 1rem; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: var(--bg-white); transition: var(--transition); }
.faq-question:hover { background: var(--bg); }
.faq-question i { transition: var(--transition); color: var(--accent); font-size: 0.9rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; background: var(--bg-white); }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.92rem; margin-bottom: 0; color: var(--text-light); }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center; padding: 80px 0; position: relative; overflow: hidden;
}
.cta::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.1; pointer-events: none; }
.cta .container { position: relative; z-index: 2; }
.cta h2 { color: var(--text-white); font-size: 2.2rem; margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
.cta .btn-accent { font-size: 1.1rem; padding: 16px 48px; }

/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.6); padding: 48px 0 32px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.footer-brand .logo { font-size: 1.15rem; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.85rem; color: rgba(255,255,255,0.35); text-align: center; width: 100%; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.05); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }
  .hero h1 { font-size: 2.6rem; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .header .container { gap: 16px; }
  .nav { display: none; }
  .nav.open { display: flex; position: absolute; top: var(--header-height); left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
  .mobile-toggle { display: block; }
  .header-search { max-width: 200px; }
  .header-search input { padding: 8px 14px 8px 36px; font-size: 0.82rem; }
  .header-search i { left: 12px; font-size: 0.8rem; }
  .hero { min-height: 70vh; padding: 40px 0; margin-top: var(--header-height); }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .post-card { flex-direction: column; }
  .post-card img { width: 100%; height: 180px; }
  .footer .container { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .cat-card img { aspect-ratio: 16/8; }
  .adv-card { flex-direction: column; align-items: flex-start; }
  .faq-question { padding: 14px 18px; font-size: 0.95rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.92rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-lg { padding: 14px 32px; font-size: 1rem; }
  .steps { grid-template-columns: 1fr; }
  .header-search { max-width: 140px; }
  .header-search input { padding: 6px 10px 6px 30px; font-size: 0.78rem; }
  .header-search i { left: 10px; font-size: 0.75rem; }
  .post-card img { height: 140px; }
  .intro-item { padding: 24px 16px; }
  .adv-card { padding: 20px 16px; }
  .section { padding: 40px 0; }
  .cta h2 { font-size: 1.5rem; }
  .logo { font-size: 1.1rem; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a6b;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2444;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c9a020;
            --accent: #f5f0e8;
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a2a3a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-light: #8a8a9a;
            --text-white: #ffffff;
            --border: #e5e3df;
            --border-light: #f0eee8;
            --shadow-sm: 0 2px 8px rgba(26, 58, 107, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 58, 107, 0.10);
            --shadow-lg: 0 20px 50px rgba(26, 58, 107, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
            --gap-sm: 12px;
            --gap-md: 24px;
            --gap-lg: 48px;
            --gap-xl: 80px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }

        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(--primary-light);
        }

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--gap-md);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .logo span {
            color: var(--secondary);
            font-weight: 700;
        }

        .logo i {
            color: var(--secondary);
            font-size: 1.3rem;
            margin-right: 8px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 58, 107, 0.06);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(26, 58, 107, 0.08);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }

        /* Search Box */
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            padding: 0 16px;
            transition: all var(--transition);
            flex: 0 1 320px;
            min-width: 180px;
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(26, 58, 107, 0.08);
            background: var(--bg-white);
        }

        .search-box i {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-right: 10px;
        }

        .search-box input {
            background: transparent;
            padding: 10px 0;
            width: 100%;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .search-box input::placeholder {
            color: var(--text-light);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: background var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(26, 58, 107, 0.06);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            margin-top: var(--nav-height);
            padding: var(--gap-xl) 0 var(--gap-lg);
            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-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 184, 48, 0.12) 0%, transparent 60%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--gap-md);
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--secondary-light);
        }

        .page-banner .breadcrumb i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            margin-bottom: var(--gap-sm);
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .page-banner .subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: var(--gap-md);
        }

        .page-banner .banner-tags .tag {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--gap-xl) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--gap-lg);
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: var(--gap-sm);
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-header .section-line {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: var(--gap-sm) auto 0;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--bg-white);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-lg);
            align-items: center;
        }

        .intro-content h2 {
            font-size: 2rem;
            margin-bottom: var(--gap-md);
        }

        .intro-content p {
            color: var(--text-secondary);
            margin-bottom: var(--gap-sm);
            font-size: 1.02rem;
        }

        .intro-content .intro-list {
            margin-top: var(--gap-md);
        }

        .intro-content .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 1rem;
            color: var(--text-secondary);
        }

        .intro-content .intro-list li:last-child {
            border-bottom: none;
        }

        .intro-content .intro-list li i {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-body);
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        /* ===== Features / Cards Grid ===== */
        .features-section {
            background: var(--bg-body);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--gap-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }

        .card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(26, 58, 107, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: var(--gap-sm);
            transition: all var(--transition);
        }

        .card:hover .card-icon {
            background: var(--primary);
            color: var(--text-white);
        }

        .card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .card .card-tag {
            display: inline-block;
            margin-top: var(--gap-sm);
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--secondary-dark);
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* ===== Steps / Process ===== */
        .steps-section {
            background: var(--bg-white);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-md);
            counter-reset: step;
        }

        .step-card {
            text-align: center;
            padding: var(--gap-md);
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition);
        }

        .step-card:hover {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto var(--gap-sm);
            transition: all var(--transition);
        }

        .step-card:hover .step-number {
            background: var(--secondary);
            color: var(--primary);
            transform: scale(1.05);
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* ===== Advantages Section ===== */
        .advantages-section {
            background: var(--bg-dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }

        .advantages-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

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

        .advantages-section .section-header h2 {
            color: var(--text-white);
        }

        .advantages-section .section-header .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .advantages-section .section-header .section-line {
            background: var(--secondary);
        }

        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }

        .adv-item {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--gap-md);
            text-align: center;
            transition: all var(--transition);
        }

        .adv-item:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        .adv-item .adv-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .adv-item .adv-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .adv-item .adv-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--gap-sm);
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px var(--gap-md);
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(26, 58, 107, 0.03);
        }

        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 var(--gap-md) 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            color: var(--text-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: var(--gap-sm);
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto var(--gap-md);
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--gap-sm);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--secondary);
            color: var(--primary-dark);
            border-color: var(--secondary);
        }

        .btn-primary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 184, 48, 0.30);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--gap-lg) 0 var(--gap-md);
        }

        .footer .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--gap-md);
            text-align: center;
        }

        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.4rem;
        }

        .footer-brand .logo span {
            color: var(--secondary);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 24px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        .footer-copy {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--gap-md);
            width: 100%;
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 1024px) {
            .search-box {
                flex: 0 1 220px;
                min-width: 140px;
            }

            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .adv-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
                --gap-xl: 48px;
                --gap-lg: 32px;
            }

            .menu-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: var(--gap-md);
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links a {
                padding: 14px 20px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 1.05rem;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-links a.active {
                background: rgba(26, 58, 107, 0.08);
            }

            .search-box {
                flex: 0 1 180px;
                min-width: 120px;
            }

            .search-box input {
                padding: 8px 0;
                font-size: 0.9rem;
            }

            .page-banner {
                min-height: 240px;
                padding: var(--gap-lg) 0;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .page-banner .subtitle {
                font-size: 1rem;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-md);
            }

            .intro-content h2 {
                font-size: 1.6rem;
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-sm);
            }

            .adv-grid {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .cta-buttons .btn {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

            .footer-links {
                gap: 6px 16px;
            }

            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }

            .page-banner .subtitle {
                font-size: 0.9rem;
            }

            .page-banner .banner-tags .tag {
                font-size: 0.75rem;
                padding: 4px 12px;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .section-header .section-desc {
                font-size: 0.9rem;
            }

            .card {
                padding: 16px;
            }

            .card h3 {
                font-size: 1.1rem;
            }

            .step-card {
                padding: 16px;
            }

            .adv-item {
                padding: 16px;
            }

            .adv-item .adv-number {
                font-size: 1.8rem;
            }

            .search-box {
                flex: 0 1 120px;
                min-width: 80px;
                padding: 0 10px;
            }

            .search-box input {
                font-size: 0.8rem;
                padding: 6px 0;
            }

            .search-box i {
                font-size: 0.8rem;
                margin-right: 6px;
            }

            .logo {
                font-size: 1.15rem;
            }

            .logo i {
                font-size: 1rem;
                margin-right: 4px;
            }

            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Smooth reveal animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#0b1a30;--primary-light:#132847;--accent:#d4a853;--accent-hover:#c9972e;--accent-light:rgba(212,168,83,0.12);--bg:#f6f8fc;--bg-card:#ffffff;--bg-dark:#0a1628;--text:#1a1a2e;--text-light:#5a6a7e;--text-soft:#8a9aae;--border:#e2e6ee;--border-light:#edf0f5;--shadow:0 4px 24px rgba(10,22,40,0.08);--shadow-hover:0 12px 40px rgba(10,22,40,0.14);--radius:16px;--radius-sm:10px;--radius-xs:6px;--space:64px;--space-md:40px;--space-sm:24px;--font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--transition:all 0.25s ease}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm)}
a{text-decoration:none;color:inherit;transition:var(--transition)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:16px;border:none;cursor:pointer;transition:var(--transition);background:var(--accent);color:#0b1a30;box-shadow:0 4px 14px rgba(212,168,83,0.3)}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,168,83,0.4)}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);box-shadow:none}
.btn-outline:hover{background:var(--accent);color:#0b1a30}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,0.1)}
.btn-white:hover{background:var(--accent);color:#0b1a30}
.section{padding:var(--space) 0}
.section-title{font-size:32px;font-weight:800;color:var(--primary);margin-bottom:12px;letter-spacing:-0.5px}
.section-sub{font-size:18px;color:var(--text-light);max-width:640px;margin-bottom:var(--space-md)}
.section-head{text-align:center;margin-bottom:48px}
.section-head .section-sub{margin-left:auto;margin-right:auto}
.tag{display:inline-block;padding:4px 14px;border-radius:50px;font-size:13px;font-weight:600;background:var(--accent-light);color:var(--accent);border:1px solid rgba(212,168,83,0.2)}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(11,26,48,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.06);transition:var(--transition)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:-0.3px;display:flex;align-items:center;gap:2px}
.logo span{color:var(--accent);font-weight:700}
.nav{display:flex;align-items:center;gap:8px}
.nav a{color:rgba(255,255,255,0.7);padding:8px 18px;border-radius:50px;font-size:15px;font-weight:500;transition:var(--transition)}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,0.08)}
.nav a.active{background:var(--accent);color:#0b1a30;font-weight:600}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,0.08);border-radius:50px;padding:0 18px;border:1px solid rgba(255,255,255,0.1);transition:var(--transition);flex:1;max-width:320px;margin:0 20px}
.search-box:focus-within{background:rgba(255,255,255,0.14);border-color:var(--accent)}
.search-box i{color:rgba(255,255,255,0.5);font-size:15px}
.search-box input{background:transparent;border:none;padding:10px 12px;color:#fff;font-size:15px;outline:none;width:100%}
.search-box input::placeholder{color:rgba(255,255,255,0.4)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px}
.hero{position:relative;min-height:88vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#0b1a30 0%,#132847 40%,#1a3050 100%);overflow:hidden;padding-top:72px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;opacity:0.28;mix-blend-mode:overlay}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(212,168,83,0.06) 0%,transparent 70%),linear-gradient(180deg,rgba(11,26,48,0.9) 0%,rgba(11,26,48,0.7) 50%,rgba(11,26,48,0.95) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:860px;padding:40px 24px}
.hero-tag{display:inline-block;padding:6px 20px;border-radius:50px;font-size:14px;font-weight:600;background:rgba(212,168,83,0.15);color:var(--accent);border:1px solid rgba(212,168,83,0.25);margin-bottom:20px;backdrop-filter:blur(4px)}
.hero-title{font-size:56px;font-weight:900;color:#fff;line-height:1.15;letter-spacing:-1.5px;margin-bottom:20px}
.hero-title span{color:var(--accent)}
.hero-desc{font-size:20px;color:rgba(255,255,255,0.7);max-width:600px;margin:0 auto 36px;line-height:1.6}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat-num{font-size:36px;font-weight:900;color:#fff;letter-spacing:-0.5px}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,0.5);margin-top:4px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:var(--bg-card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--accent);background:var(--accent-light);margin-bottom:16px}
.card h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:8px}
.card p{color:var(--text-light);font-size:15px;line-height:1.6}
.feature-card{padding:32px;text-align:center}
.feature-card .card-icon{margin:0 auto 16px}
.step-card{text-align:center;padding:32px 24px;position:relative}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#0b1a30;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.article-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.article-item{display:flex;gap:20px;background:var(--bg-card);border-radius:var(--radius-sm);padding:20px;border:1px solid var(--border-light);transition:var(--transition);cursor:pointer}
.article-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.article-item .thumb{width:100px;height:80px;border-radius:var(--radius-xs);background:var(--border);flex-shrink:0;overflow:hidden}
.article-item .thumb img{width:100%;height:100%;object-fit:cover}
.article-item .info{flex:1}
.article-item .info h4{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:4px;line-height:1.4}
.article-item .info .meta{font-size:13px;color:var(--text-soft);display:flex;gap:12px;align-items:center}
.article-item .info .meta .cat{color:var(--accent);font-weight:600}
.badge{display:inline-block;padding:2px 12px;border-radius:50px;font-size:12px;font-weight:600;background:var(--accent-light);color:var(--accent);border:1px solid rgba(212,168,83,0.15)}
.faq-item{border-bottom:1px solid var(--border);padding:20px 0}
.faq-q{font-size:17px;font-weight:600;color:var(--primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q i{color:var(--accent);font-size:14px;transition:var(--transition)}
.faq-a{font-size:15px;color:var(--text-light);line-height:1.7;margin-top:12px;display:none}
.faq-item.active .faq-a{display:block}
.faq-item.active .faq-q i{transform:rotate(180deg)}
.cta-section{background:linear-gradient(160deg,#0b1a30 0%,#132847 100%);padding:80px 0;text-align:center}
.cta-section h2{font-size:36px;font-weight:800;color:#fff;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,0.7);font-size:18px;max-width:560px;margin:0 auto 32px}
.cta-section .btn{margin:0 auto}
.footer{background:#070f1a;padding:48px 0 32px;border-top:1px solid rgba(255,255,255,0.04)}
.footer .container{display:flex;flex-direction:column;gap:24px}
.footer-brand{text-align:center}
.footer-brand .logo{justify-content:center;font-size:24px}
.footer-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,0.5);font-size:14px;transition:var(--transition)}
.footer-links a:hover{color:var(--accent)}
.footer-copy{text-align:center;color:rgba(255,255,255,0.25);font-size:13px;padding-top:16px;border-top:1px solid rgba(255,255,255,0.05)}
@media(max-width:1024px){
.grid-4{grid-template-columns:repeat(2,1fr)}
.hero-title{font-size:44px}
.search-box{max-width:220px;margin:0 12px}
}
@media(max-width:768px){
.header .container{height:64px}
.logo{font-size:18px}
.nav{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(11,26,48,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:16px 24px 24px;gap:4px;border-bottom:1px solid rgba(255,255,255,0.06)}
.nav.open{display:flex}
.nav a{padding:12px 16px;width:100%}
.search-box{max-width:100%;margin:8px 0 4px;order:-1}
.mobile-toggle{display:block}
.hero{min-height:70vh;padding-top:64px}
.hero-title{font-size:32px}
.hero-desc{font-size:16px}
.hero-stats{gap:24px;margin-top:32px}
.hero-stat-num{font-size:28px}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.section{padding:40px 0}
.section-title{font-size:26px}
.article-list{grid-template-columns:1fr}
.cta-section h2{font-size:28px}
.footer-links{gap:16px}
}
@media(max-width:520px){
.hero-title{font-size:26px}
.hero-actions{flex-direction:column;align-items:center}
.hero-actions .btn{width:100%;justify-content:center}
.container{padding:0 16px}
.section-title{font-size:22px}
.grid-4{grid-template-columns:1fr}
}