/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0d1b2a;
  --primary-light: #1b3a5c;
  --accent: #e94560;
  --accent-hover: #d63850;
  --gold: #ffd700;
  --gold-light: #ffe44d;
  --bg: #f0f2f5;
  --bg-dark: #0a1628;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --text-white: #f8f9fa;
  --border: #e0e4e8;
  --shadow: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo:hover { color: var(--gold-light); }
.logo-icon { font-size: 1.8rem; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-list a {
  color: var(--text-white);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover,
.nav-list a.active {
  background: rgba(255,255,255,0.12);
  color: var(--gold);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}
.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(233,69,96,0.4);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
  transition: all var(--transition);
}
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 20px 24px;
    gap: 12px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.4s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-top: 1px solid rgba(255,255,255,0.05);
    z-index: 999;
  }
  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-list a { width: 100%; text-align: center; padding: 12px; }
  .nav-list a.active::after { display: none; }
}
/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,27,42,0.85) 0%, rgba(27,58,92,0.6) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 60px 0;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.hero h1 span { color: var(--gold); }
.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(233,69,96,0.35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(233,69,96,0.45);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255,215,0,0.08);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--gold);
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(255,215,0,0.35);
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,215,0,0.45);
  color: var(--primary);
}
@media (max-width: 768px) {
  .hero { min-height: 460px; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}
/* ===== Section通用 ===== */
.section {
  padding: 80px 0;
}
.section-dark {
  background: var(--primary);
  color: var(--text-white);
}
.section-dark .section-title,
.section-dark .section-subtitle { color: #fff; }
.section-alt {
  background: #fff;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}
.section-subtitle {
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
  .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }
}
/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: 1fr; }
}
/* ===== 卡片 ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.card-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-tag {
  display: inline-block;
  background: rgba(233,69,96,0.1);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  line-height: 1.4;
}
.card-text {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-light);
}
.card-meta .date { display: flex; align-items: center; gap: 6px; }
.card-link {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}
.card-link:hover { gap: 10px; color: var(--accent-hover); }
/* ===== 分类入口板块 ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}
.cat-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  display: block;
}
.cat-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.cat-count {
  font-size: 0.82rem;
  color: var(--text-light);
}
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-card { padding: 20px 14px; }
}
/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 16px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-3px);
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item { padding: 20px 12px; }
  .stat-number { font-size: 2rem; }
}
/* ===== 流程/步骤 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step-item {
  text-align: center;
  position: relative;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 20px rgba(233,69,96,0.3);
}
.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-desc {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
}
/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--gold); }
.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--text);
  gap: 12px;
}
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 24px 18px;
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  display: none;
}
.faq-item.active .faq-answer { display: block; }
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.1;
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
}
.cta-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-text {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .cta-title { font-size: 1.8rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; justify-content: center; }
}
/* ===== 最新资讯列表 ===== */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.post-item {
  display: flex;
  gap: 20px;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border: 1px solid var(--border);
  transition: all var(--transition);
  align-items: center;
}
.post-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--gold);
  transform: translateX(4px);
}
.post-item .post-rank {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  min-width: 36px;
  text-align: center;
}
.post-item .post-info { flex: 1; }
.post-item .post-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  transition: color var(--transition);
}
.post-item:hover .post-title { color: var(--accent); }
.post-item .post-excerpt {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-item .post-meta {
  font-size: 0.78rem;
  color: var(--text-light);
  display: flex;
  gap: 12px;
  margin-top: 4px;
}
@media (max-width: 768px) {
  .post-item { flex-direction: column; gap: 8px; padding: 14px 16px; }
  .post-item .post-rank { font-size: 1.2rem; min-width: auto; text-align: left; }
}
/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand .logo { font-size: 1.4rem; margin-bottom: 12px; display: inline-flex; }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: all var(--transition);
}
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
  font-size: 1rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}
/* ===== 响应式微调 ===== */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.5rem; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c3bf0;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --primary-bg: rgba(108, 59, 240, 0.08);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg: #0f0a1a;
            --bg-card: #1a122e;
            --bg-card-hover: #221838;
            --bg-elevated: #2a1d42;
            --text: #f1eaff;
            --text-soft: #c8b8e8;
            --text-muted: #8a7aaa;
            --border: rgba(139, 92, 246, 0.2);
            --border-light: rgba(139, 92, 246, 0.12);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 40px rgba(108, 59, 240, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 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);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 10, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-h);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text) !important;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            font-size: 1.5rem;
            line-height: 1;
        }
        .logo:hover {
            color: var(--secondary) !important;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-list a:hover {
            color: var(--text);
            background: var(--primary-bg);
        }
        .nav-list a.active {
            color: var(--text);
            background: var(--primary-bg);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(108, 59, 240, 0.3);
        }
        .nav-list a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 59, 240, 0.45);
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-toggle {
            display: none;
            background: none;
            color: var(--text);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-bg);
        }

        /* ===== Article Hero / Banner ===== */
        .article-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(108, 59, 240, 0.12), rgba(15, 10, 26, 0.95)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 10, 26, 0.3) 0%, rgba(15, 10, 26, 0.85) 100%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-soft);
        }
        .article-breadcrumb a:hover {
            color: var(--secondary);
        }
        .article-breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            max-width: 860px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            font-size: 0.9rem;
            color: var(--text-soft);
            margin-bottom: 8px;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary-light);
            font-size: 0.85rem;
        }
        .article-category-tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid var(--border);
        }

        /* ===== Main Content ===== */
        .article-main {
            padding: 48px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .article-body p {
            margin-bottom: 1.4em;
            color: var(--text-soft);
            font-size: 1.05rem;
            line-height: 1.85;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 1.8em 0 0.6em;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.6em 0 0.5em;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em 1.6em;
        }
        .article-body li {
            margin-bottom: 0.4em;
            color: var(--text-soft);
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary-light);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-soft);
            font-style: italic;
        }
        .article-body img {
            margin: 1.6em 0;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--secondary-light);
        }
        .article-body .content-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        .article-body .content-empty i {
            font-size: 3rem;
            margin-bottom: 16px;
            opacity: 0.5;
        }
        .article-body .content-empty p {
            font-size: 1.1rem;
            color: var(--text-muted);
        }
        .article-body .content-empty a {
            display: inline-block;
            margin-top: 16px;
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 600;
        }
        .article-body .content-empty a:hover {
            color: var(--secondary);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--primary-light);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            background: var(--bg);
            border-radius: var(--radius-xs);
            transition: all var(--transition);
            color: var(--text-soft);
            font-size: 0.9rem;
            border: 1px solid transparent;
        }
        .sidebar-list a:hover {
            background: var(--bg-card-hover);
            border-color: var(--border);
            color: var(--text);
            transform: translateX(4px);
        }
        .sidebar-list a .rank {
            font-weight: 700;
            color: var(--primary-light);
            min-width: 24px;
            font-size: 0.85rem;
        }
        .sidebar-list a .post-title {
            flex: 1;
            line-height: 1.4;
        }
        .sidebar-list a .post-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            text-align: center;
            padding: 32px 24px;
        }
        .sidebar-cta h3 {
            color: #fff;
            justify-content: center;
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-bottom: 18px;
        }
        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            display: inline-block;
            transition: all var(--transition);
        }
        .sidebar-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            color: var(--primary);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-soft);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .sidebar-tags a:hover {
            background: var(--primary-bg);
            border-color: var(--border);
            color: var(--primary-light);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 56px 0 80px;
            border-top: 1px solid var(--border-light);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 28px;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border);
            box-shadow: var(--shadow);
        }
        .related-card .rc-cat {
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 8px 0 10px;
            line-height: 1.4;
        }
        .related-card h4 a {
            color: var(--text);
        }
        .related-card h4 a:hover {
            color: var(--primary-light);
        }
        .related-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Site Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            padding: 56px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            background: var(--primary);
            color: #fff;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 59, 240, 0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text-soft);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: var(--primary-bg);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-xs);
            }
            .nav-list a.nav-cta {
                text-align: center;
                margin-top: 6px;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .article-hero {
                padding: 100px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-h: 64px;
            }
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 10px 16px;
            }
            .article-body {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .sidebar-card {
                padding: 20px;
            }
            .related-section .section-title {
                font-size: 1.3rem;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3fc3;
            --primary-dark: #4a2a8a;
            --primary-light: #8b6fd6;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-dark: #0f0a1a;
            --bg-card: #1a122e;
            --bg-section: #120c20;
            --bg-body: #0b0714;
            --text-main: #f1edf7;
            --text-soft: #c8c0d8;
            --text-muted: #8a7fa0;
            --border-color: #2a1f42;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(108, 63, 195, 0.15);
            --shadow-md: 0 8px 32px rgba(108, 63, 195, 0.2);
            --shadow-lg: 0 16px 48px rgba(108, 63, 195, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container: 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-main);
            background: var(--bg-body);
            min-height: 100vh;
        }

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

        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;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 头部 / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 7, 20, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--secondary);
        }
        .logo .logo-icon {
            font-size: 1.6rem;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--text-main);
            background: rgba(108, 63, 195, 0.15);
        }
        .nav-list a.active {
            color: var(--text-main);
            background: rgba(108, 63, 195, 0.2);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 600;
            padding: 8px 24px;
            border-radius: 30px;
            box-shadow: 0 4px 20px rgba(108, 63, 195, 0.3);
        }
        .nav-list a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 63, 195, 0.4);
            background: linear-gradient(135deg, var(--primary-dark), var(--accent));
        }

        /* 移动端汉堡 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--text-main);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== 移动端菜单 ===== */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 7, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 10px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }
            .nav-list a.nav-cta {
                text-align: center;
            }
            .nav-list a.active::after {
                display: none;
            }
        }

        /* ===== Hero / 分类 Banner ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(15, 10, 26, 0.92), rgba(26, 18, 46, 0.85)), url(/assets/images/backpic/back-2.png) center/cover no-repeat;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -10%;
            right: -10%;
            height: 80px;
            background: var(--bg-body);
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-soft);
            max-width: 680px;
            margin: 0 auto 28px;
        }
        .category-hero .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(26, 18, 46, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 4px 4px 20px;
            backdrop-filter: blur(10px);
        }
        .category-hero .hero-search input {
            flex: 1;
            padding: 12px 8px;
            background: transparent;
            color: var(--text-main);
            font-size: 0.95rem;
        }
        .category-hero .hero-search input::placeholder {
            color: var(--text-muted);
        }
        .category-hero .hero-search button {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .category-hero .hero-search button:hover {
            transform: scale(1.04);
            box-shadow: 0 6px 24px rgba(108, 63, 195, 0.35);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .section-header p {
            color: var(--text-soft);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(108, 63, 195, 0.15);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 8px;
        }

        /* ===== 攻略分类卡片 ===== */
        .guide-categories {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .guide-cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px 22px;
            text-align: center;
            transition: var(--transition);
            cursor: default;
        }
        .guide-cat-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .guide-cat-card .cat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            background: rgba(108, 63, 195, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .guide-cat-card:hover .cat-icon {
            background: rgba(108, 63, 195, 0.25);
        }
        .guide-cat-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .guide-cat-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== 攻略文章列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-row {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: var(--transition);
        }
        .article-row:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .article-row .ar-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-light);
            opacity: 0.5;
            min-width: 40px;
            text-align: center;
        }
        .article-row .ar-content {
            flex: 1;
        }
        .article-row .ar-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .article-row .ar-content p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.5;
        }
        .article-row .ar-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .article-row .ar-meta .tag {
            background: rgba(245, 158, 11, 0.1);
            color: var(--secondary);
            padding: 2px 12px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.75rem;
        }
        .article-row .ar-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .article-row .ar-link i {
            margin-left: 4px;
            transition: var(--transition);
        }
        .article-row .ar-link:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 640px) {
            .article-row {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }
            .article-row .ar-num {
                display: none;
            }
            .article-row .ar-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .article-row .ar-link {
                width: 100%;
                text-align: right;
            }
        }

        /* ===== 技巧展示 ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .tip-card:hover::before {
            opacity: 1;
        }
        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .tip-card .tip-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }
        .tip-card .tip-tag {
            display: inline-block;
            margin-top: 12px;
            background: rgba(108, 63, 195, 0.1);
            color: var(--primary-light);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ===== 流程图 / 步骤 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 195, 0.3);
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-soft);
        }
        .step-arrow {
            display: none;
        }
        @media (min-width: 768px) {
            .steps-row {
                grid-template-columns: repeat(4, 1fr);
            }
            .step-item:not(:last-child)::after {
                content: '→';
                position: absolute;
                right: -18px;
                top: 50%;
                transform: translateY(-50%);
                font-size: 1.6rem;
                color: var(--primary-light);
                opacity: 0.5;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            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(--primary);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 1rem;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-soft);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 63, 195, 0.12), rgba(236, 72, 153, 0.08)), url(/assets/images/backpic/back-3.png) center/cover no-repeat;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-soft);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }
        .cta-section .cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 28px rgba(108, 63, 195, 0.3);
            transition: var(--transition);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(108, 63, 195, 0.4);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 额外响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 50px 0;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-search {
                flex-direction: column;
                border-radius: var(--radius-md);
                padding: 12px;
                gap: 10px;
                background: rgba(26, 18, 46, 0.9);
            }
            .category-hero .hero-search input {
                padding: 10px 12px;
                background: rgba(255, 255, 255, 0.05);
                border-radius: var(--radius-sm);
            }
            .category-hero .hero-search button {
                width: 100%;
                padding: 12px;
            }
            .guide-categories {
                grid-template-columns: 1fr 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 400px) {
            .guide-categories {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .article-row .ar-meta .tag {
                font-size: 0.7rem;
                padding: 1px 10px;
            }
        }

        /* ===== 工具类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .text-center {
            text-align: center;
        }
        .gap-1 {
            gap: 12px;
        }
        .gap-2 {
            gap: 24px;
        }