/* roulang page: index */
/* ==================== 设计变量 ==================== */
:root {
  --primary: #0b1d3a;
  --primary-light: #13294b;
  --primary-dark: #060f1f;
  --accent: #3b82f6;
  --accent-dark: #1d4ed8;
  --gold: #f59e0b;
  --grad-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --bg: #f5f8fc;
  --bg-alt: #eef2f8;
  --bg-white: #ffffff;
  --text: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .05);
  --shadow: 0 6px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, .12);
  --transition: all .3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ==================== 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-main); font-size: 16px; line-height: 1.7; color: var(--text-body); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
::selection { background: rgba(59, 130, 246, .2); color: var(--primary); }

/* ==================== 容器 ==================== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== 按钮 ==================== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 32px; border-radius: 50px; font-size: 15px; font-weight: 600; line-height: 1.2; cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-align: center; }
.btn i { font-size: 14px; }
.btn-primary { background: var(--grad-main); color: #fff; box-shadow: 0 4px 18px rgba(59, 130, 246, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(59, 130, 246, .4); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(59, 130, 246, .3); }
.btn-primary:focus-visible { outline: 3px solid rgba(59, 130, 246, .4); outline-offset: 2px; }
.btn-ghost { background: rgba(255, 255, 255, .15); color: #fff; border-color: rgba(255, 255, 255, .5); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .25); border-color: #fff; transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; box-shadow: 0 4px 18px rgba(245, 158, 11, .3); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245, 158, 11, .4); }

/* ==================== 头部导航 ==================== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(15, 23, 42, .04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; position: relative; }
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--grad-main); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; box-shadow: 0 4px 12px rgba(59, 130, 246, .3); }
.logo-text { font-size: 17px; font-weight: 700; color: var(--primary); letter-spacing: .5px; white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
.nav-link { padding: 8px 18px; border-radius: 50px; font-size: 15px; font-weight: 500; color: var(--text-body); position: relative; white-space: nowrap; }
.nav-link:hover { color: var(--accent); background: rgba(59, 130, 246, .08); }
.nav-link.active { color: #fff; background: var(--grad-main); box-shadow: 0 4px 14px rgba(59, 130, 246, .25); }
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-box { position: relative; width: 200px; }
.search-box input { width: 100%; height: 40px; padding: 0 40px 0 16px; border-radius: 50px; background: var(--bg-alt); border: 1px solid transparent; font-size: 14px; transition: var(--transition); }
.search-box input:focus { background: #fff; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(59, 130, 246, .12); }
.search-box button { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border-radius: 50%; background: var(--grad-main); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 13px; transition: var(--transition); }
.search-box button:hover { opacity: .9; }
.menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: var(--bg-alt); color: var(--primary); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }

/* ==================== Hero ==================== */
.hero { position: relative; padding: 140px 0 120px; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 15, 31, .82) 0%, rgba(11, 29, 58, .78) 50%, rgba(6, 15, 31, .88) 100%); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .25); backdrop-filter: blur(10px); padding: 8px 22px; border-radius: 50px; font-size: 13px; color: #dbeafe; letter-spacing: 1px; margin-bottom: 28px; }
.hero-badge i { color: var(--gold); font-size: 12px; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 20px; letter-spacing: 1px; text-shadow: 0 4px 30px rgba(0, 0, 0, .3); }
.hero p { font-size: clamp(15px, 2vw, 18px); color: rgba(255, 255, 255, .9); line-height: 1.8; margin-bottom: 36px; max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero ke-logo { display: none; }

/* ==================== 板块通用 ==================== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-white); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(59, 130, 246, .1); color: var(--accent); font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 50px; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--text); margin-bottom: 12px; letter-spacing: .5px; }
.section-head p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* ==================== 特点 ==================== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-white); border-radius: var(--radius-lg); padding: 40px 32px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); text-align: center; position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-main); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 72px; height: 72px; border-radius: 20px; background: linear-gradient(135deg, rgba(59, 130, 246, .12), rgba(139, 92, 246, .12)); display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; color: var(--accent); font-size: 28px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--grad-main); color: #fff; transform: scale(1.05); }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ==================== 分类入口 ==================== */
.category-section { background: var(--bg-alt); }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.category-card { background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-cover { position: relative; height: 180px; overflow: hidden; }
.category-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.category-card:hover .category-cover img { transform: scale(1.06); }
.category-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(11, 29, 58, .35)); }
.category-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.category-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--accent); background: rgba(59, 130, 246, .1); padding: 4px 12px; border-radius: 50px; align-self: flex-start; margin-bottom: 12px; }
.category-card h3 { font-size: 19px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.category-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; flex: 1; }
.category-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 14px; font-weight: 600; }
.category-link i { transition: transform .3s ease; }
.category-card:hover .category-link i { transform: translateX(4px); }

/* ==================== 最新资讯 ==================== */
.news-section { background: var(--bg-white); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 30px; display: flex; flex-direction: column; transition: var(--transition); position: relative; overflow: hidden; }
.news-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad-main); transform: scaleY(0); transform-origin: bottom; transition: transform .35s ease; }
.news-card:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-4px); }
.news-card:hover::before { transform: scaleY(1); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.news-cate { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--gold); background: rgba(245, 158, 11, .1); padding: 4px 12px; border-radius: 50px; }
.news-time { font-size: 13px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.news-card h3 { font-size: 17px; font-weight: 700; color: var(--text); line-height: 1.5; margin-bottom: 10px; transition: var(--transition); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card:hover h3 { color: var(--accent); }
.news-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 15px; background: var(--bg-alt); border-radius: var(--radius-lg); }

/* ==================== 数据统计 ==================== */
.stats-section { position: relative; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; padding: 90px 0; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(6, 15, 31, .92), rgba(11, 29, 58, .88)); }
.stats-section .container { position: relative; z-index: 2; }
.stats-section .section-head h2 { color: #fff; }
.stats-section .section-head p { color: rgba(255, 255, 255, .7); }
.stats-section .section-tag { background: rgba(255, 255, 255, .1); color: #dbeafe; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 20px; }
.stat-item { text-align: center; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(6px); border-radius: var(--radius-lg); padding: 36px 20px; transition: var(--transition); }
.stat-item:hover { background: rgba(255, 255, 255, .1); transform: translateY(-4px); }
.stat-num { font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: var(--gold); line-height: 1.2; margin-bottom: 10px; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, .8); letter-spacing: 1px; }

/* ==================== 登录流程 ==================== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step-card { text-align: center; padding: 40px 32px; background: var(--bg-white); border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-sm); position: relative; transition: var(--transition); }
.step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--grad-main); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 6px 20px rgba(59, 130, 246, .3); }
.step-card h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.step-arrow { position: absolute; top: 50%; right: -22px; transform: translateY(-50%); color: var(--accent); font-size: 22px; z-index: 3; }

/* ==================== FAQ ==================== */
.faq-section { background: var(--bg-alt); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-sm); overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow); border-color: rgba(59, 130, 246, .3); }
.faq-question { width: 100%; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; background: none; text-align: left; font-size: 15px; font-weight: 600; color: var(--text); transition: var(--transition); }
.faq-question span { flex: 1; }
.faq-question .faq-icon { width: 26px; height: 26px; border-radius: 50%; background: rgba(59, 130, 246, .1); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; transition: transform .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; padding: 0 24px; overflow: hidden; transition: max-height .35s ease, padding .3s ease; font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 22px; }

/* ==================== CTA ==================== */
.cta-section { position: relative; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; padding: 0; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(11, 29, 58, .92), rgba(59, 130, 246, .75)), url('/assets/images/coverpic/cover-4.png') center / cover; }
.cta-inner { position: relative; z-index: 2; text-align: center; padding: 110px 20px; }
.cta-inner h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: .5px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, .85); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ==================== 页脚 ==================== */
.site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, .8); padding: 70px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 50px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .logo-text { color: #fff; font-size: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; color: rgba(255, 255, 255, .6); max-width: 300px; }
.footer-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.footer-links a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255, 255, 255, .6); transition: var(--transition); }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact p { font-size: 14px; color: rgba(255, 255, 255, .6); display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.footer-contact i { color: var(--gold); width: 18px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, .45); }
.footer-bottom a { color: rgba(255, 255, 255, .6); }
.footer-bottom a:hover { color: var(--gold); }

/* ==================== 移动端响应式 ==================== */
@media (max-width: 1024px) {
  .features-grid, .category-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .search-box { width: 160px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .main-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: 0 16px 40px rgba(15, 23, 42, .12); gap: 4px; z-index: 99; }
  .main-nav.open { display: flex; }
  .nav-link { display: block; padding: 12px 16px; font-size: 16px; }
  .menu-toggle { display: flex; }
  .search-box { display: none; }
  .hero { padding: 100px 0 80px; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 15px; }
  .section { padding: 64px 0; }
  .features-grid, .category-grid, .steps-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .step-arrow { display: none; }
  .cta-inner { padding: 80px 20px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .news-card { padding: 22px; }
  .feature-card { padding: 30px 24px; }
  .footer-bottom { font-size: 12px; line-height: 1.8; }
}

/* roulang page: article */
:root {
  --primary: #0b1f3a;
  --primary-dark: #060f1e;
  --accent: #e8b84b;
  --accent-hover: #d4a53a;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --text: #1a2233;
  --text-light: #62708a;
  --border: #e2e8f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 6px 24px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 40px rgba(11, 31, 58, 0.12);
  --space-sm: 12px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.header-top { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #24467a); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 18px; box-shadow: 0 4px 12px rgba(11, 31, 58, 0.25); }
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; color: var(--primary); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 999px; font-weight: 500; font-size: 15px; color: var(--text-light); transition: all 0.25s; border: 1px solid transparent; }
.nav-link:hover { color: var(--primary); background: rgba(11, 31, 58, 0.06); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(11, 31, 58, 0.25); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-box { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 6px 6px 6px 14px; transition: border-color 0.3s; }
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.15); }
.search-box input { border: none; outline: none; background: transparent; width: 130px; font-size: 14px; color: var(--text); }
.search-box button { background: var(--accent); border: none; width: 32px; height: 32px; border-radius: 50%; color: var(--primary); cursor: pointer; font-size: 13px; transition: background 0.3s; }
.search-box button:hover { background: var(--accent-hover); }
.mobile-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--primary); cursor: pointer; }
.article-hero { background: linear-gradient(135deg, var(--primary) 0%, #1b3a63 60%, #12304f 100%); padding: 64px 0 48px; position: relative; overflow: hidden; color: #fff; }
.article-hero::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.15; }
.article-hero .container { position: relative; z-index: 2; }
.article-breadcrumb { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.article-breadcrumb a:hover { color: var(--accent); }
.article-hero h1 { font-size: 38px; line-height: 1.35; margin-bottom: 16px; font-weight: 800; letter-spacing: 0.5px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: rgba(255,255,255,0.8); align-items: center; }
.article-meta .badge { background: var(--accent); color: var(--primary); padding: 3px 12px; border-radius: 999px; font-weight: 700; font-size: 13px; }
.article-main { padding: 56px 0 var(--space-xl); }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.article-content-wrap { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 56px 48px; }
.article-content { color: var(--text); font-size: 16px; line-height: 1.9; }
.article-content h2 { font-size: 26px; margin: 32px 0 16px; color: var(--primary); border-left: 4px solid var(--accent); padding-left: 16px; }
.article-content h3 { font-size: 21px; margin: 24px 0 12px; color: var(--primary); }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 0 0 20px 24px; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.article-content blockquote { border-left: 4px solid var(--accent); background: var(--bg); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 20px 0; color: var(--text-light); }
.article-content img { border-radius: 12px; box-shadow: var(--shadow-md); margin: 24px 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content table th { background: var(--primary); color: #fff; }
.article-tags { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag { display: inline-block; padding: 5px 14px; background: var(--bg); border-radius: 999px; font-size: 13px; color: var(--text-light); border: 1px solid var(--border); transition: all 0.3s; }
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); cursor: pointer; }
.article-sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 28px; border: 1px solid var(--border); }
.sidebar-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-title i { color: var(--accent); }
.sidebar-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.sidebar-list li a { display: block; padding: 10px 14px; border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; transition: all 0.25s; border-left: 3px solid transparent; }
.sidebar-list li a:hover { background: rgba(232,184,75,0.12); border-left-color: var(--accent); color: var(--primary); transform: translateX(4px); }
.sidebar-list li.no-item { color: var(--text-light); font-size: 14px; padding: 8px 14px; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), #1b3a63); color: #fff; border-radius: var(--radius); padding: 32px 28px; text-align: center; border: none; }
.sidebar-cta h3 { font-size: 20px; margin-bottom: 12px; }
.sidebar-cta p { font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: all 0.3s; border: none; cursor: pointer; }
.btn-accent { background: var(--accent); color: var(--primary); box-shadow: 0 6px 20px rgba(232,184,75,0.35); }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,184,75,0.45); }
.btn-ghost-light { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.2); }
.not-found-wrap { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 80px 48px; text-align: center; }
.not-found-wrap h2 { font-size: 32px; color: var(--primary); margin-bottom: 16px; }
.not-found-wrap p { color: var(--text-light); margin-bottom: 32px; }
.related-news { padding: 56px 0 80px; }
.related-news h2 { font-size: 28px; color: var(--primary); text-align: center; margin-bottom: 12px; }
.related-sub { text-align: center; color: var(--text-light); margin-bottom: 40px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all 0.35s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card-img { height: 180px; overflow: hidden; position: relative; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,31,58,0.3), transparent); }
.news-card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.news-card-cat { font-size: 12px; background: rgba(232,184,75,0.15); color: #b8891e; padding: 3px 12px; border-radius: 999px; display: inline-block; width: fit-content; margin-bottom: 12px; font-weight: 600; }
.news-card-title-box { margin-bottom: 10px; }
.news-card-title { font-size: 17px; font-weight: 700; line-height: 1.5; color: var(--primary); transition: color 0.3s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card:hover .news-card-title { color: var(--accent-hover); }
.news-card-desc { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card-meta { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; color: var(--text-light); border-top: 1px solid var(--border); padding-top: 14px; }
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; margin-top: 0; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; padding-bottom: 40px; }
.site-footer .site-logo .logo-text { color: #fff; }
.site-footer .logo-icon { background: rgba(255,255,255,0.1); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 300px; }
.footer-title { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.footer-title::after { content: ""; flex: 1; height: 1px; background: rgba(255,255,255,0.1); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color 0.3s, padding-left 0.3s; }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact p { font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--accent); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 13px; }
.footer-bottom p { color: rgba(255,255,255,0.5); display: flex; align-items: center; justify-content: center; gap: 8px; }
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar-card { flex: 1; min-width: 260px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .header-top { height: 64px; }
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; background: var(--surface); flex-direction: column; align-items: stretch; padding: 16px 24px 24px; gap: 4px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); display: none; }
  .main-nav.open { display: flex; }
  .nav-link { padding: 14px 16px; font-size: 16px; border-radius: 10px; }
  .header-actions { gap: 8px; }
  .search-box input { width: 90px; }
  .article-hero { padding: 48px 0 36px; }
  .article-hero h1 { font-size: 28px; }
  .article-content-wrap { padding: 32px 24px; }
  .article-main { padding: 40px 0; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .search-box { display: none; }
  .hero h1 { font-size: 26px; }
  .news-grid { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
  --primary: #1a2342;
  --primary-dark: #11172e;
  --primary-light: #2c3a63;
  --accent: #f0b90b;
  --accent-light: #ffe08a;
  --accent-dark: #d19a05;
  --bg: #f4f6fb;
  --bg-alt: #ffffff;
  --text: #182235;
  --text-light: #5b6b8c;
  --text-muted: #8a97b2;
  --border: #e3e8f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 30px rgba(26, 35, 66, 0.08);
  --shadow-lg: 0 18px 46px rgba(26, 35, 66, 0.15);
  --transition: all 0.3s ease;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border: 0;
}

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

ul, ol {
  list-style: none;
}

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

input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: min(var(--container), 92%);
  margin: 0 auto;
}

.section {
  padding: 84px 0;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--primary);
  margin: 14px 0 12px;
}

.section-head p {
  color: var(--text-light);
  font-size: 1.05rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240, 185, 11, 0.15);
  color: #a87f05;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 6px 16px;
  border-radius: 100px;
}

.section-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 100px;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
  min-height: 46px;
}

.btn-primary {
  background: linear-gradient(135deg, #f0b90b, #d99b05);
  color: #1a2342;
  box-shadow: 0 6px 18px rgba(240, 185, 11, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(240, 185, 11, 0.5);
  color: #11172e;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 8px 22px rgba(240, 185, 11, 0.4);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(240, 185, 11, 0.55);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-top {
  background: var(--primary);
  color: #d7ddf0;
  font-size: 0.82rem;
  padding: 8px 0;
}

.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.header-top-inner .header-welcome i,
.header-top-inner .header-note i {
  color: var(--accent);
  margin-right: 6px;
}

.header-top-inner .header-note {
  color: #b8c2dd;
}

.header-main {
  background: transparent;
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(26, 35, 66, 0.25);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary);
  white-space: nowrap;
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-light);
  border-radius: 10px;
  transition: var(--transition);
  line-height: 1.4;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(26, 35, 66, 0.06);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(240, 185, 11, 0.12);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 5px;
  height: 2px;
  border-radius: 4px;
  background: var(--accent);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(26, 35, 66, 0.08);
  color: var(--primary);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(240, 185, 11, 0.2);
}

.nav-toggle.active {
  background: var(--primary);
  color: #fff;
}

/* Page Hero */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 100px 0 90px;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(17, 23, 46, 0.92) 0%, rgba(26, 35, 66, 0.78) 55%, rgba(240, 185, 11, 0.18) 100%);
}

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

.page-hero-inner {
  max-width: 760px;
}

.breadcrumb-wrap {
  position: relative;
  z-index: 2;
  margin-bottom: 26px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
  color: var(--accent);
}

.hero-badge {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  background: rgba(240, 185, 11, 0.18);
  border: 1px solid rgba(240, 185, 11, 0.35);
  color: var(--accent-light);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.page-hero .hero-subtitle {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin-bottom: 22px;
}

.page-hero .hero-subtitle strong {
  color: var(--accent-light);
  font-weight: 700;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 30px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

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

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

/* Methods */
.methods-section {
  background: var(--bg);
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.method-card {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(240, 185, 11, 0.5);
}

.method-thumb {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--primary-light);
}

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

.method-card:hover .method-thumb img {
  transform: scale(1.06);
}

.method-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 23, 46, 0) 45%, rgba(17, 23, 46, 0.5) 100%);
  pointer-events: none;
}

.method-body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.method-num {
  position: absolute;
  top: 140px;
  right: 16px;
  z-index: 3;
  width: 46px;
  height: 46px;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1rem;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.method-tag {
  align-self: flex-start;
  background: rgba(240, 185, 11, 0.14);
  color: #a87f05;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.method-body h3 {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.method-body p {
  color: var(--text-light);
  font-size: 0.94rem;
  flex: 1;
  margin-bottom: 14px;
}

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

.text-link i {
  transition: transform 0.3s ease;
  color: var(--accent-dark);
}

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

.text-link:hover i {
  transform: translateX(5px);
}

/* Steps */
.steps-section {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -90px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(240, 185, 11, 0.12);
}

.steps-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(92, 120, 255, 0.08);
}

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

.section-head-light h2 {
  color: #fff;
}

.section-head-light p {
  color: rgba(255, 255, 255, 0.75);
}

.section-head-light .section-tag {
  background: rgba(240, 185, 11, 0.22);
  color: var(--accent-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 28px 22px 26px;
  text-align: left;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  position: relative;
}

.step-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: rgba(240, 185, 11, 0.45);
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(240, 185, 11, 0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 18px;
}

.step-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent-light);
  background: rgba(240, 185, 11, 0.15);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.step-item h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.step-item p {
  font-size: 0.89rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
}

/* Prepare */
.prepare-section {
  background: var(--bg);
}

.prepare-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 52px;
  align-items: center;
}

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

.prepare-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.prepare-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(240, 185, 11, 0), rgba(26, 35, 66, 0.25));
  pointer-events: none;
}

.prepare-content h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 800;
  color: var(--primary);
  margin: 12px 0 24px;
  line-height: 1.3;
}

.prepare-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 18px;
  transition: var(--transition);
}

.prepare-block:hover {
  box-shadow: var(--shadow);
  border-color: rgba(240, 185, 11, 0.4);
}

.prepare-block h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.prepare-block h3 i {
  color: var(--accent-dark);
  font-size: 1rem;
}

.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.92rem;
  color: var(--text-light);
}

.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent-dark);
  font-size: 0.85rem;
}

/* Articles */
.articles-section {
  background: var(--bg-alt);
}

.article-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.article-row {
  display: flex;
  align-items: center;
  gap: 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: var(--transition);
}

.article-row:hover {
  background: #fff;
  border-color: rgba(240, 185, 11, 0.45);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.article-date {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  background: var(--primary);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  line-height: 1.2;
}

.article-date span {
  font-size: 1.1rem;
  font-weight: 700;
}

.article-date small {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

.article-main {
  flex: 1;
  min-width: 0;
}

.article-main h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.article-row:hover .article-main h3 {
  color: var(--accent-dark);
}

.article-main p {
  font-size: 0.88rem;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.tag {
  background: rgba(240, 185, 11, 0.14);
  color: #a87f05;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

.article-meta i {
  font-size: 0.85rem;
  transition: transform 0.3s;
}

.article-row:hover .article-meta i {
  transform: translateX(4px);
  color: var(--accent-dark);
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(240, 185, 11, 0.45);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  transition: background 0.3s;
}

.faq-question:hover {
  background: rgba(240, 185, 11, 0.06);
}

.faq-question i {
  color: var(--accent-dark);
  transition: transform 0.4s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, padding 0.3s ease;
  padding: 0 22px;
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 22px 22px;
}

/* CTA */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  color: #fff;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(17, 23, 46, 0.9), rgba(26, 35, 66, 0.82));
}

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

.cta-content {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin-bottom: 30px;
}

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

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: #b8c2dd;
  font-size: 0.9rem;
}

.site-footer .container {
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.2fr;
  gap: 40px;
  padding-bottom: 42px;
}

.footer-brand .site-logo {
  margin-bottom: 14px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-icon {
  background: rgba(255, 255, 255, 0.12);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: #8a97b2;
  max-width: 320px;
}

.footer-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: #eef1f9;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #8a97b2;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: #8a97b2;
  margin-bottom: 10px;
}

.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  text-align: center;
  font-size: 0.82rem;
  color: #6d7a99;
}

.footer-bottom p {
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .prepare-wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .prepare-media img {
    height: 320px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-top-inner {
    flex-direction: column;
    gap: 4px;
    text-align: center;
    padding: 6px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 6px;
    box-shadow: 0 20px 40px rgba(26, 35, 66, 0.1);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: var(--transition);
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    padding: 13px 18px;
    font-size: 1rem;
  }

  .nav-link.active::after {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 70px 0 60px;
  }

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

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

  .check-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .header-main-inner {
    gap: 10px;
  }

  .logo-text {
    font-size: 1.02rem;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .page-hero h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .article-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-date {
    width: 60px;
    height: 60px;
    border-radius: 12px;
  }

  .article-meta {
    width: 100%;
    justify-content: space-between;
  }

  .article-main h3 {
    white-space: normal;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding-bottom: 24px;
  }

  .footer-bottom {
    padding: 16px 4%;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .faq-question {
    font-size: 0.94rem;
    padding: 17px 16px;
  }

  .faq-answer {
    padding: 0 16px;
  }

  .faq-item.open .faq-answer {
    padding: 0 16px 18px;
  }
}