/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0b0b1a;
  --primary-light: #14142b;
  --secondary: #1c1c3a;
  --accent: #d4a853;
  --accent-hover: #e8c06a;
  --accent-soft: rgba(212, 168, 83, 0.12);
  --accent-glow: rgba(212, 168, 83, 0.25);
  --bg-body: #0b0b1a;
  --bg-section: #0f0f22;
  --bg-card: #161630;
  --bg-card-hover: #1c1c3e;
  --bg-nav: rgba(11, 11, 26, 0.82);
  --text-light: #f0ede8;
  --text-body: #d0cdc8;
  --text-muted: #8a8898;
  --text-accent: #d4a853;
  --border: #2a2a4e;
  --border-light: #3a3a5e;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(212, 168, 83, 0.08);
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --container-max: 1200px;
  --header-h: 72px;
}

/* ===== 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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-body);
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { color: var(--text-light); font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
small { font-size: 0.85rem; color: var(--text-muted); }

/* ===== 容器 ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 12px 0;
  background: var(--bg-nav);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled { background: rgba(11,11,26,0.96); box-shadow: 0 4px 40px rgba(0,0,0,0.5); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
.logo i { color: var(--accent); font-size: 1.5rem; }
.logo span { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
}
.nav a i { font-size: 0.85rem; }
.nav a:hover { color: var(--text-light); background: rgba(255,255,255,0.05); }
.nav a.active { color: var(--text-light); background: var(--accent-soft); box-shadow: 0 0 20px rgba(212,168,83,0.06); }
.nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }
.nav-toggle { display: none; font-size: 1.5rem; color: var(--text-light); padding: 8px; border-radius: 8px; }
.nav-toggle:hover { background: rgba(255,255,255,0.05); }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav { display: none; flex-direction: column; position: absolute; top: calc(var(--header-h) + 12px); left: 16px; right: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow-card); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 16px; border-radius: var(--radius-sm); width: 100%; }
  .nav a.active::after { display: none; }
  .nav a.active { background: var(--accent-soft); }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #0b0b1a 0%, #14142b 40%, #1a0f0a 100%);
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 60px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(212,168,83,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(212,168,83,0.03) 0%, transparent 50%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,168,83,0.04) 0%, transparent 70%);
  top: -200px; right: -100px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(212,168,83,0.15);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--text-accent);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-badge i { font-size: 0.7rem; }
.hero h1 { margin-bottom: 20px; max-width: 900px; margin-left: auto; margin-right: auto; }
.hero h1 .highlight { background: linear-gradient(135deg, var(--accent), #f0d080); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #d4a040);
  color: #0b0b1a;
  box-shadow: 0 4px 30px rgba(212,168,83,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(212,168,83,0.35); color: #0b0b1a; }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
.btn-sm { padding: 10px 22px; font-size: 0.88rem; }
.btn-ghost { color: var(--text-muted); padding: 10px 18px; }
.btn-ghost:hover { color: var(--text-light); background: rgba(255,255,255,0.04); }
.hero-stats {
  display: flex; justify-content: center; gap: 40px; margin-top: 50px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.02em; }
.hero-stat .num .accent { color: var(--accent); }
.hero-stat .label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* ===== 通用板块 ===== */
.section { padding: 90px 0; }
.section-dark { background: var(--bg-section); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--text-muted); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem;
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  font-weight: 600;
}
.section-tag i { font-size: 0.65rem; }

/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } .grid-4 { grid-template-columns: 1fr; } }

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card:hover { border-color: var(--border-light); background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.card-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--accent-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.4rem; color: var(--accent); }
.card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 0; }
.card-link { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 500; color: var(--accent); }
.card-link i { font-size: 0.75rem; transition: transform var(--transition); }
.card:hover .card-link i { transform: translateX(4px); }
.card-accent { border-color: rgba(212,168,83,0.15); }
.card-accent:hover { border-color: rgba(212,168,83,0.3); }
.card-badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--accent-soft); color: var(--accent);
  padding: 2px 12px; border-radius: 100px;
  font-size: 0.7rem; font-weight: 600;
}

/* ===== 分类入口（分类卡片） ===== */
.category-card { text-align: center; padding: 40px 24px; }
.category-card .card-icon { margin: 0 auto 18px; }
.category-card .count { display: inline-block; background: var(--accent-soft); color: var(--accent); padding: 2px 14px; border-radius: 100px; font-size: 0.72rem; font-weight: 600; margin-top: 12px; }

/* ===== 最新资讯列表 ===== */
.post-list { display: flex; flex-direction: column; gap: 20px; }
.post-item {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: all var(--transition);
}
.post-item:hover { border-color: var(--border-light); background: var(--bg-card-hover); transform: translateX(4px); }
.post-item .post-meta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; font-size: 0.8rem; color: var(--text-muted); min-width: 120px; }
.post-item .post-meta .cat { background: var(--accent-soft); color: var(--accent); padding: 2px 12px; border-radius: 100px; font-size: 0.7rem; font-weight: 600; }
.post-item .post-title { flex: 1; font-size: 1rem; font-weight: 600; color: var(--text-light); line-height: 1.5; }
.post-item .post-title a { color: var(--text-light); }
.post-item .post-title a:hover { color: var(--accent); }
.post-item .post-excerpt { font-size: 0.88rem; color: var(--text-muted); margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-empty { text-align: center; padding: 48px 24px; color: var(--text-muted); background: var(--bg-card); border: 1px dashed var(--border); border-radius: var(--radius); }
.post-empty i { font-size: 2rem; margin-bottom: 12px; opacity: 0.4; }

/* ===== 流程 ===== */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 768px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .process { grid-template-columns: 1fr; } }
.process-step { text-align: center; padding: 32px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); position: relative; transition: all var(--transition); }
.process-step:hover { border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.process-step .step-num { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-weight: 800; font-size: 1.1rem; }
.process-step h4 { margin-bottom: 8px; font-size: 1rem; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0; }

/* ===== 数据统计区块 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-item { text-align: center; padding: 32px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.stat-item .stat-num { font-size: 2.6rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.02em; }
.stat-item .stat-num .accent { color: var(--accent); }
.stat-item .stat-label { font-size: 0.88rem; color: var(--text-muted); margin-top: 6px; }
.stat-item .stat-icon { font-size: 1.6rem; color: var(--accent); margin-bottom: 12px; opacity: 0.7; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: var(--border-light); }
.faq-q { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--text-light); font-size: 0.98rem; transition: color var(--transition); user-select: none; }
.faq-q i { font-size: 0.75rem; color: var(--text-muted); transition: transform var(--transition); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-item.open .faq-q { color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 20px; }
.faq-a p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { padding: 100px 0; text-align: center; position: relative; background: linear-gradient(135deg, #0f0f22 0%, #1a0f0a 100%); overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(212,168,83,0.04) 0%, transparent 70%); pointer-events: none; }
.cta-section h2 { margin-bottom: 16px; }
.cta-section p { color: var(--text-muted); max-width: 520px; margin: 0 auto 32px; font-size: 1.05rem; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.footer { background: var(--primary); border-top: 1px solid var(--border); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; text-align: center; } }
.footer-brand .logo { margin-bottom: 12px; justify-content: flex-start; }
@media (max-width: 768px) { .footer-brand .logo { justify-content: center; } }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 320px; line-height: 1.8; }
@media (max-width: 768px) { .footer-brand p { margin: 0 auto; } }
.footer h4 { font-size: 0.92rem; margin-bottom: 16px; color: var(--text-light); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 768px) { .footer-bottom { flex-direction: column; text-align: center; } }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: var(--secondary); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.85rem; transition: all var(--transition); }
.footer-social a:hover { background: var(--accent-soft); color: var(--accent); transform: translateY(-2px); }

/* ===== 响应式微调 ===== */
@media (max-width: 1024px) {
  .hero-stat { min-width: 100px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 1.6rem; }
  .post-item { flex-direction: column; gap: 8px; }
  .post-item .post-meta { min-width: unset; }
  .cta-section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

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

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --accent: #e94560;
            --accent-light: #ff6b81;
            --accent-dark: #c23152;
            --gold: #f5c518;
            --gold-light: #ffe066;
            --bg-dark: #0a0a14;
            --bg-card: #141428;
            --bg-surface: #1c1c36;
            --text-white: #ffffff;
            --text-light: #e8e8f0;
            --text-muted: #9a9ab0;
            --text-dim: #6a6a82;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(233, 69, 96, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation (悬浮胶囊) ===== */
        .header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: var(--container-max);
            background: rgba(20, 20, 40, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 0 8px;
            box-shadow: var(--shadow-md), var(--shadow-glow);
            transition: var(--transition);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 12px;
            max-width: 100%;
        }

        .header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            padding: 10px 0;
            letter-spacing: -0.5px;
        }

        .header .logo i {
            color: var(--gold);
            font-size: 1.4rem;
        }

        .header .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav a {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .nav a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav a.active {
            color: var(--text-white);
            background: var(--accent);
            box-shadow: 0 4px 20px rgba(233, 69, 96, 0.35);
        }

        .nav a.active i {
            opacity: 1;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-white);
            padding: 8px 12px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        @media (max-width: 768px) {
            .header {
                top: 12px;
                width: calc(100% - 24px);
                border-radius: 60px;
                padding: 0 4px;
            }

            .header .container {
                padding: 0 8px;
            }

            .header .logo {
                font-size: 1.05rem;
                padding: 8px 0;
            }

            .header .logo i {
                font-size: 1.2rem;
            }

            .nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 8px;
                right: 8px;
                background: rgba(20, 20, 40, 0.96);
                backdrop-filter: blur(20px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-md);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }

            .nav.open {
                display: flex;
            }

            .nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }

            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 40px;
            }

            .header .logo {
                font-size: 0.95rem;
                gap: 6px;
            }

            .header .logo i {
                font-size: 1rem;
            }

            .nav a {
                font-size: 0.85rem;
                padding: 10px 14px;
            }
        }

        /* ===== Page Hero (分类页横幅) ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 40%, var(--bg-dark) 100%);
            overflow: hidden;
            text-align: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .page-hero .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .page-hero .breadcrumb a:hover {
            color: var(--gold);
        }

        .page-hero .breadcrumb .sep {
            color: var(--text-dim);
            font-size: 0.7rem;
        }

        .page-hero .breadcrumb .current {
            color: var(--text-light);
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff 50%, var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .page-hero .subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 197, 24, 0.12);
            border: 1px solid rgba(245, 197, 24, 0.2);
            color: var(--gold-light);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .page-hero .hero-badge i {
            font-size: 0.75rem;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .page-hero .subtitle {
                font-size: 1rem;
                padding: 0 10px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }

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

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(233, 69, 96, 0.1);
            border: 1px solid rgba(233, 69, 96, 0.15);
            color: var(--accent-light);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

            .section-header p {
                font-size: 0.95rem;
            }

            .section-header {
                margin-bottom: 40px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }

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

        /* ===== Guide Steps (流程步骤) ===== */
        .guide-steps {
            background: var(--bg-dark);
            position: relative;
        }

        .guide-steps::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }

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

        .step-card .step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(233, 69, 96, 0.15);
            line-height: 1;
            margin-bottom: 4px;
            font-family: 'Inter', monospace;
        }

        .step-card .step-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(233, 69, 96, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-light);
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .step-card:hover .step-icon {
            background: rgba(233, 69, 96, 0.18);
            transform: scale(1.05);
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .step-card {
                padding: 24px 20px;
            }

            .step-card .step-number {
                font-size: 2.4rem;
            }
        }

        /* ===== Feature Highlights (功能亮点) ===== */
        .features-section {
            background: var(--primary-dark);
            position: relative;
        }

        .features-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .feature-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .feature-card .f-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(245, 197, 24, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--gold);
            transition: var(--transition);
        }

        .feature-card:hover .f-icon {
            background: rgba(245, 197, 24, 0.15);
        }

        .feature-card .f-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-white);
        }

        .feature-card .f-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .feature-card {
                padding: 20px 16px;
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== Tutorial List (教程列表) ===== */
        .tutorial-section {
            background: var(--bg-dark);
        }

        .tutorial-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 20px;
        }

        .tutorial-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .tutorial-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .tutorial-item .t-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(233, 69, 96, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-light);
        }

        .tutorial-item .t-content {
            flex: 1;
        }

        .tutorial-item .t-content h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--text-white);
        }

        .tutorial-item .t-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .tutorial-item .t-tag {
            flex-shrink: 0;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(245, 197, 24, 0.1);
            color: var(--gold-light);
            border: 1px solid rgba(245, 197, 24, 0.15);
            letter-spacing: 0.3px;
        }

        @media (max-width: 520px) {
            .tutorial-list {
                grid-template-columns: 1fr;
            }

            .tutorial-item {
                padding: 18px 16px;
                flex-wrap: wrap;
            }
        }

        /* ===== Safety Notice (安全提示) ===== */
        .safety-section {
            background: var(--primary-dark);
            position: relative;
        }

        .safety-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .safety-card {
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.06) 0%, rgba(245, 197, 24, 0.04) 100%);
            border: 1px solid rgba(233, 69, 96, 0.12);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .safety-card .s-left .s-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(233, 69, 96, 0.1);
            border: 1px solid rgba(233, 69, 96, 0.15);
            color: var(--accent-light);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .safety-card .s-left h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .safety-card .s-left p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .safety-card .s-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .safety-card .s-right .tip {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            transition: var(--transition);
        }

        .safety-card .s-right .tip:hover {
            border-color: var(--border-light);
        }

        .safety-card .s-right .tip i {
            color: var(--gold);
            font-size: 0.9rem;
            margin-top: 2px;
        }

        .safety-card .s-right .tip span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .safety-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 24px;
            }

            .safety-card .s-left h2 {
                font-size: 1.4rem;
            }

            .safety-card .s-right {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .safety-card {
                padding: 24px 16px;
            }

            .safety-card .s-left h2 {
                font-size: 1.2rem;
            }
        }

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

        .faq-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

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

        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 16px;
                font-size: 0.92rem;
            }

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff 50%, var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 700;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 24px rgba(233, 69, 96, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 32px rgba(233, 69, 96, 0.4);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            border-color: var(--border-color);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-light);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }

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

            .cta-section p {
                font-size: 0.95rem;
            }

            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }

            .cta-section .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .cta-section .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
        }

        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .footer .footer-brand .logo i {
            color: var(--gold);
            font-size: 1.3rem;
        }

        .footer .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

        .footer .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-dim);
        }

        .footer .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .footer .footer-social a:hover {
            background: rgba(245, 197, 24, 0.1);
            color: var(--gold);
            border-color: rgba(245, 197, 24, 0.2);
        }

        @media (max-width: 768px) {
            .footer {
                padding: 40px 0 24px;
            }

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

            .footer .footer-brand {
                grid-column: 1 / -1;
            }

            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer .footer-brand p {
                max-width: 100%;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--text-dim);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Focus visible ===== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
:root {
            --primary: #0a0e1a;
            --primary-light: #1a2240;
            --accent: #c9a84c;
            --accent-hover: #dbb95c;
            --accent-soft: #e8d5a3;
            --bg: #f5f3ee;
            --bg-card: #ffffff;
            --bg-dark: #0a0e1a;
            --text: #1a1a2e;
            --text-light: #5a5a72;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #f0ede5;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 8px 32px rgba(10, 14, 26, 0.08);
            --shadow-lg: 0 16px 48px rgba(10, 14, 26, 0.12);
            --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

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

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: var(--max-width);
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 60px;
            border: 1px solid rgba(201, 168, 76, 0.15);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            padding: 0 8px;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 0 16px;
            max-width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }

        .logo i {
            color: var(--accent);
            font-size: 24px;
        }

        .logo span {
            background: linear-gradient(135deg, #f0e6c8, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo:hover {
            color: var(--text-white);
            opacity: 0.9;
        }

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

        .nav a {
            color: rgba(255, 255, 255, 0.7);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .nav a i {
            font-size: 14px;
        }

        .nav a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav a.active {
            color: var(--primary);
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
        }

        .nav a.active i {
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            color: var(--text-white);
            font-size: 22px;
            padding: 8px 12px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }

        @media (max-width: 768px) {
            .header {
                top: 12px;
                width: calc(100% - 24px);
                height: 64px;
                border-radius: 40px;
            }

            .header .container {
                padding: 0 12px;
            }

            .logo {
                font-size: 17px;
                gap: 8px;
            }

            .logo i {
                font-size: 20px;
            }

            .nav {
                position: fixed;
                top: 80px;
                left: 12px;
                right: 12px;
                background: rgba(10, 14, 26, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 24px;
                border: 1px solid rgba(201, 168, 76, 0.12);
                padding: 16px;
                flex-direction: column;
                gap: 8px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: var(--transition);
                box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
            }

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

            .nav a {
                width: 100%;
                padding: 12px 20px;
                font-size: 16px;
                border-radius: 16px;
            }

            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .header {
                top: 8px;
                width: calc(100% - 16px);
                height: 58px;
                border-radius: 32px;
            }

            .logo {
                font-size: 15px;
                gap: 6px;
            }

            .logo i {
                font-size: 17px;
            }
        }

        .article-hero {
            padding: 160px 0 80px;
            background: linear-gradient(135deg, #0a0e1a 0%, #1a2240 50%, #0a0e1a 100%);
            position: relative;
            overflow: hidden;
            margin-top: 0;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 60%, rgba(201, 168, 76, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }

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

        .article-hero .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 168, 76, 0.15);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(201, 168, 76, 0.2);
            margin-bottom: 24px;
        }

        .article-hero .category-badge i {
            font-size: 12px;
        }

        .article-hero h1 {
            font-size: clamp(28px, 4.5vw, 52px);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            max-width: 900px;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-hero .hero-meta i {
            color: var(--accent);
            font-size: 14px;
        }

        .article-hero .hero-excerpt {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 800px;
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            padding-left: 20px;
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 120px 0 60px;
            }

            .article-hero h1 {
                font-size: clamp(22px, 6vw, 34px);
            }

            .article-hero .hero-meta {
                gap: 12px 20px;
                font-size: 13px;
            }

            .article-hero .hero-excerpt {
                font-size: 15px;
                padding-left: 16px;
            }
        }

        @media (max-width: 520px) {
            .article-hero {
                padding: 100px 0 50px;
            }

            .article-hero h1 {
                font-size: 20px;
            }

            .article-hero .hero-excerpt {
                font-size: 14px;
            }
        }

        .article-main {
            padding: 0 0 60px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }

        .article-content-wrap {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
            max-width: 860px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--primary);
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

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

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(201, 168, 76, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px auto;
            box-shadow: var(--shadow);
        }

        .article-content pre {
            background: var(--primary);
            color: #e8e8e8;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.6;
            margin: 24px 0;
        }

        .article-content code {
            font-family: 'Fira Code', 'Consolas', monospace;
            font-size: 14px;
            background: rgba(10, 14, 26, 0.06);
            padding: 2px 8px;
            border-radius: 4px;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-content table th {
            background: rgba(10, 14, 26, 0.04);
            font-weight: 600;
        }

        .article-content .aligncenter {
            display: block;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .article-content-wrap {
                padding: 32px 24px;
                border-radius: var(--radius-sm);
                margin-left: 0;
                margin-right: 0;
            }

            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .article-content-wrap {
                padding: 24px 16px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 19px;
            }
        }

        .article-footer-meta {
            max-width: 860px;
            margin: 32px auto 0;
            padding: 0 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-right: 4px;
        }

        .article-tags .tag {
            display: inline-block;
            background: rgba(201, 168, 76, 0.1);
            color: var(--accent);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(201, 168, 76, 0.15);
            transition: var(--transition);
        }

        .article-tags .tag:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .article-share span {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .article-share a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .article-share {
                width: 100%;
                justify-content: flex-start;
            }
        }

        .not-found-block {
            max-width: 860px;
            margin: 0 auto;
            padding: 60px 24px;
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .not-found-block .nf-icon {
            font-size: 56px;
            color: var(--accent);
            margin-bottom: 20px;
            opacity: 0.6;
        }

        .not-found-block h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found-block p {
            color: var(--text-light);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .not-found-block .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 40px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .not-found-block .btn-back:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .related-posts {
            padding: 80px 0;
            background: var(--bg);
        }

        .related-posts .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .related-posts .section-title h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .related-posts .section-title p {
            color: var(--text-light);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-soft);
        }

        .related-card .rc-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 12px;
            border-radius: 40px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
            flex: 1;
        }

        .related-card h3 a {
            color: inherit;
        }

        .related-card h3 a:hover {
            color: var(--accent);
        }

        .related-card .rc-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .rc-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 16px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .related-card .rc-meta i {
            color: var(--accent);
            font-size: 12px;
            margin-right: 4px;
        }

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

        @media (max-width: 768px) {
            .related-posts {
                padding: 60px 0;
            }

            .related-posts .section-title {
                margin-bottom: 32px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .related-card {
                padding: 20px;
            }

            .related-card h3 {
                font-size: 16px;
            }
        }

        .faq-section {
            padding: 80px 0;
            background: var(--bg-card);
        }

        .faq-section .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-section .section-title h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .faq-section .section-title p {
            color: var(--text-light);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
        }

        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 60px 0;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }

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

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

        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0a0e1a 0%, #1a2240 50%, #0a0e1a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 50% 50%, rgba(201, 168, 76, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
        }

        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 60px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 17px;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(201, 168, 76, 0.25);
        }

        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.35);
        }

        .cta-section .btn-cta i {
            font-size: 18px;
        }

        .cta-section .cta-safe {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .cta-section .cta-safe i {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }

            .cta-section p {
                font-size: 15px;
            }

            .cta-section .btn-cta {
                padding: 14px 32px;
                font-size: 15px;
            }
        }

        .footer {
            background: #060810;
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: rgba(255, 255, 255, 0.4);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer {
                padding: 40px 0 24px;
            }

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

            .footer-brand p {
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer .container {
                padding: 0 16px;
            }

            .footer-grid {
                gap: 24px;
            }
        }

        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            border: none;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--accent-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }

        @media (max-width: 768px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 17px;
            }
        }

        .page-nav {
            max-width: 860px;
            margin: 24px auto 0;
            padding: 0 16px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .page-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .page-nav a:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .page-nav a i {
            font-size: 13px;
        }

        @media (max-width: 520px) {
            .page-nav {
                flex-direction: column;
            }

            .page-nav a {
                width: 100%;
                justify-content: center;
            }
        }