/* roulang page: index */
:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-soft: #fff7ed;
  --secondary: #1e293b;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
  --shadow: 0 4px 24px rgba(15,23,42,0.07);
  --shadow-lg: 0 16px 48px rgba(15,23,42,0.14);
  --shadow-primary: 0 10px 32px rgba(249,115,22,0.35);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { border: none; outline: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container-main { max-width: 1200px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
@media (min-width:768px) {
  .container-main { padding-left: 2rem; padding-right: 2rem; }
}

/* ===== 通用标题 ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--secondary);
  margin-top: 0.875rem;
}
.section-subtitle {
  color: var(--muted);
  font-size: 1rem;
  max-width: 640px;
  margin-top: 0.75rem;
  line-height: 1.7;
}

/* ===== 导航 ===== */
.site-header {
  background: rgba(15,23,42,0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  border-bottom-color: rgba(15,23,42,0.06);
  box-shadow: 0 8px 32px rgba(15,23,42,0.08);
}
.site-header.scrolled .nav-logo { color: var(--secondary); }
.site-header.scrolled .nav-link { color: var(--secondary); }
.site-header.scrolled .nav-link:hover { color: var(--primary); background: rgba(249,115,22,0.08); }
.site-header.scrolled .nav-link.nav-active { background: var(--primary); color: #fff; }
.site-header.scrolled .nav-cta { background: var(--primary); color: #fff; border-color: var(--primary); }
.site-header.scrolled .mobile-menu-btn { background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.25); color: var(--primary); }

.nav-logo { color: #fff; transition: var(--transition); }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 13px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  box-shadow: 0 6px 20px rgba(249,115,22,0.45);
  flex-shrink: 0;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.925rem;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.15); }
.nav-link.nav-active { background: rgba(249,115,22,0.3); color: #fff; box-shadow: 0 4px 12px rgba(249,115,22,0.2); }
.nav-cta {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
  padding: 0.6rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.875rem;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-primary); }
.mobile-menu-btn {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
}
.mobile-menu {
  display: none;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 0.8rem 1rem; border-radius: 0.75rem;
  font-weight: 600; color: var(--secondary); font-size: 0.9375rem;
}
.mobile-menu a:hover { background: rgba(249,115,22,0.1); color: var(--primary); }
.mobile-menu a.mobile-active { background: var(--primary); color: #fff; }
.mobile-menu a + a { margin-top: 0.375rem; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,23,42,0.88) 0%, rgba(30,41,59,0.68) 50%, rgba(249,115,22,0.28) 100%);
}
.hero-content { position: relative; z-index: 2; width: 100%; padding: 7.5rem 0 4.5rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.28);
  color: #fff; padding: 0.4rem 1.1rem; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 600;
  backdrop-filter: blur(10px);
}
.hero-badge i { color: #fbbf24; }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 800; line-height: 1.12; color: #fff;
  letter-spacing: -0.025em;
  margin: 1.5rem 0 1.25rem;
}
.hero-title span {
  background: linear-gradient(120deg, #fbbf24, #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.85;
  max-width: 580px;
  margin-bottom: 2.25rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.18);
  max-width: 640px;
}
.hero-stat h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: #fbbf24;
  line-height: 1.1;
}
.hero-stat p { font-size: 0.8125rem; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem; border-radius: 999px;
  font-weight: 700; font-size: 0.9063rem;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 14px 36px rgba(249,115,22,0.5); }
.btn-white { background: #fff; color: var(--secondary); box-shadow: var(--shadow); }
.btn-white:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-3px); }

/* ===== 通用区块 ===== */
.section-padding { padding: 5rem 0; }
@media (max-width: 768px) {
  .section-padding { padding: 3.5rem 0; }
}
.section-head { margin-bottom: 3rem; }
.section-head.center { text-align: center; }
.section-head.center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ===== 内容卡片 ===== */
.content-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(226,232,240,0.4);
  overflow: hidden;
}
.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(249,115,22,0.25);
}
.card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.content-card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 1.5rem; }
.card-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.875rem;
  border-radius: 999px;
}
.card-title { font-size: 1.15rem; font-weight: 700; margin: 0.75rem 0 0.5rem; line-height: 1.4; color: var(--secondary); }
.card-title a:hover { color: var(--primary); }
.card-text { color: var(--muted); font-size: 0.9063rem; line-height: 1.7; }

/* ===== 信息卡片 ===== */
.info-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.4);
  transition: var(--transition);
  height: 100%;
}
.info-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.info-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.info-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--secondary); }
.info-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.65; }

/* ===== 统计特色区 ===== */
.stat-band {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
  position: relative;
  overflow: hidden;
}
.stat-band::after {
  content: '';
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: rgba(249,115,22,0.18);
  top: -160px; right: -80px;
  filter: blur(60px);
}
.stat-item { position: relative; z-index: 1; text-align: center; padding: 2rem 1rem; }
.stat-item .stat-num { font-size: clamp(2rem, 4vw, 2.875rem); font-weight: 800; color: #fbbf24; line-height: 1.1; }
.stat-item .stat-label { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-top: 0.5rem; font-weight: 500; }
.stat-item .stat-icon { width: 58px; height: 58px; margin: 0 auto 1.25rem; border-radius: 18px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; color: #fbbf24; font-size: 1.5rem; }

/* ===== 流程步骤 ===== */
.step-card { text-align: center; padding: 2.25rem 1.5rem; position: relative; }
.step-num {
  width: 56px; height: 56px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  font-size: 1.375rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(249,115,22,0.35);
  position: relative;
  z-index: 1;
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.65; max-width: 240px; margin: 0 auto; }
.step-line { position: absolute; top: 42px; left: calc(50% + 56px); right: calc(-50% + 56px); height: 2px; background: linear-gradient(to right, rgba(249,115,22,0.4), rgba(251,191,36,0.4)); z-index: 0; }

/* ===== 资讯卡片 ===== */
.news-card { padding: 1.75rem; }
.news-card .news-cat {
  display: inline-block; background: var(--primary-soft); color: var(--primary-dark);
  font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.875rem; border-radius: 999px;
}
.news-card .time-badge { font-size: 0.8125rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; }
.news-card .news-title { font-size: 1.15rem; font-weight: 700; line-height: 1.45; margin: 1rem 0 0.625rem; }
.news-card .news-title a { color: var(--secondary); }
.news-card .news-title a:hover { color: var(--primary); }
.news-card .news-summary { font-size: 0.875rem; color: var(--muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .read-more { display: inline-flex; align-items: center; gap: 0.375rem; font-size: 0.875rem; font-weight: 700; color: var(--primary); margin-top: 1rem; }
.news-card .read-more:hover { gap: 0.625rem; }
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 2rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--muted);
  font-size: 1rem;
  border: 1px dashed var(--border);
}

/* ===== FAQ ===== */
.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(226,232,240,0.6);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item + .faq-item { margin-top: 0.875rem; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem; background: transparent; text-align: left; font-weight: 700; font-size: 0.9688rem; color: var(--secondary); }
.faq-question i { color: var(--primary); transition: transform 0.3s ease; font-size: 0.875rem; }
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary-dark); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 1.5rem; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.375rem; }
.faq-answer p { font-size: 0.9063rem; color: var(--muted); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover; background-position: center;
  padding: 6rem 0;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.88), rgba(30,41,59,0.78));
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(1.875rem, 3.5vw, 2.875rem); font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.cta-content p { color: rgba(255,255,255,0.75); font-size: 1.0625rem; max-width: 560px; margin: 1rem auto 2rem; }

/* ===== 页脚 ===== */
.site-footer { background: #0f172a; color: rgba(255,255,255,0.65); }
.footer-top { padding: 4.5rem 0 3rem; display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 3rem; }
.footer-brand h3 { font-size: 1.375rem; font-weight: 800; color: #fff; margin-bottom: 0.875rem; }
.footer-brand p { font-size: 0.875rem; line-height: 1.8; max-width: 360px; }
.footer-links h4 { color: #fff; font-size: 0.9375rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer-links ul { list-style: none; }
.footer-links li + li { margin-top: 0.75rem; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.55); }
.footer-links a:hover { color: #f97316; }
.footer-contact-item { display: flex; align-items: center; gap: 0.625rem; margin-bottom: 1rem; font-size: 0.875rem; }
.footer-contact-item i { color: #f97316; width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.75rem 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #f97316; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
  .step-line { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero { min-height: auto; background-attachment: scroll; }
  .hero-content { padding: 6rem 0 3.5rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .section-padding { padding: 3.25rem 0; }
  .section-head { margin-bottom: 2rem; }
}
@media (max-width: 520px) {
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .btn { padding: 0.8rem 1.25rem; }
}

/* roulang page: category1 */
:root {
            --color-primary: #E8622C;
            --color-primary-dark: #C94E1E;
            --color-accent: #F7B733;
            --color-ink: #1A1A2E;
            --color-ink-light: #4A4A5A;
            --color-soft: #F8F5F1;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-soft: 0 8px 30px rgba(26, 26, 46, 0.08);
            --shadow-hover: 0 14px 40px rgba(26, 26, 46, 0.14);
            --border-light: rgba(255, 255, 255, 0.25);
            --border-soft: rgba(26, 26, 46, 0.08);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: #FCFAF7;
            color: var(--color-ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 4px 24px rgba(26, 26, 46, 0.05);
            transition: all 0.4s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 6px 30px rgba(26, 26, 46, 0.08);
        }
        .nav-logo .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FF6F3C, #F7B733);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 98, 44, 0.35);
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 600;
            color: var(--color-ink-light);
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(232, 98, 44, 0.08);
        }
        .nav-link.nav-active {
            color: var(--color-primary);
            background: rgba(232, 98, 44, 0.1);
        }
        .nav-cta {
            padding: 9px 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF6F3C, #E8622C);
            color: #fff;
            font-size: 13.5px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 4px;
            box-shadow: 0 4px 16px rgba(232, 98, 44, 0.3);
            transition: all 0.3s ease;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 98, 44, 0.4);
        }
        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(232, 98, 44, 0.08);
            border: none;
            color: var(--color-primary);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease;
        }
        .mobile-menu-btn:hover {
            background: rgba(232, 98, 44, 0.15);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 20px 20px;
            gap: 6px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink-light);
            transition: background 0.2s ease;
        }
        .mobile-menu a:hover {
            background: rgba(232, 98, 44, 0.07);
            color: var(--color-primary);
        }
        .mobile-menu a.mobile-active {
            color: var(--color-primary);
            background: rgba(232, 98, 44, 0.1);
        }
        .page-hero {
            position: relative;
            padding: 140px 0 90px;
            background: linear-gradient(135deg, #1A1A2E 0%, #2B2440 60%, #3A2A4A 100%);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(transparent, rgba(252, 250, 247, 0.9));
            pointer-events: none;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            color: #FDE8D6;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--color-accent);
        }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .page-hero h1 .highlight {
            background: linear-gradient(135deg, #F7B733, #FF7B45);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 620px;
            margin: 0 auto;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, #FF6F3C, #E8622C);
            color: #fff;
            box-shadow: 0 6px 20px rgba(232, 98, 44, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 98, 44, 0.45);
        }
        .btn-ghost-light {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .section-block {
            padding: 90px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(232, 98, 44, 0.08);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--color-ink);
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-ink-light);
            max-width: 560px;
            line-height: 1.8;
        }
        .cat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-soft);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity 0.35s ease;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 98, 44, 0.15);
        }
        .cat-card:hover::before {
            opacity: 1;
        }
        .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, rgba(232, 98, 44, 0.12), rgba(247, 183, 51, 0.12));
            color: var(--color-primary);
        }
        .cat-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--color-ink-light);
            line-height: 1.75;
        }
        .cat-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 18px;
            font-size: 12.5px;
            color: #888;
        }
        .cat-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-soft);
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .img-wrap {
            position: relative;
            padding-top: 62%;
            overflow: hidden;
        }
        .news-card .img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .news-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(232, 98, 44, 0.1);
            color: var(--color-primary);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--color-ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 14px;
            color: var(--color-ink-light);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #999;
            padding-top: 14px;
            border-top: 1px solid #f0eeeb;
        }
        .news-meta i {
            font-size: 12px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-num {
            font-size: 38px;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-ink-light);
            margin-top: 6px;
            font-weight: 500;
        }
        .topic-block {
            background: f;
            border-radius: 24px;
            padding: 36px;
            display: flex;
            gap: 28px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-soft);
            transition: all 0.35s ease;
        }
        .topic-block:hover {
            box-shadow: var(--shadow-hover);
        }
        .topic-index {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(232, 98, 44, 0.3);
        }
        .faq-item {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            margin-bottom: 14px;
            box-shadow: 0 2px 12px rgba(26, 26, 46, 0.04);
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: 0 6px 20px rgba(26, 26, 46, 0.07);
        }
        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            cursor: pointer;
            user-select: none;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(232, 98, 44, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14.5px;
            color: var(--color-ink-light);
            line-height: 1.8;
            border-top: 1px solid #f5f3f0;
            padding-top: 16px;
            margin: 0 0 0;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        .cta-section {
            position: relative;
            padding: 80px 0;
            border-radius: 28px;
            overflow: hidden;
            background: linear-gradient(135deg, #1A1A2E 0%, #2B2440 60%, #3A2A4A 100%);
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .breadcrumb {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            gap: 10px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 22px;
            letter-spacing: 0.3px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.3s ease;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }
        .link-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            background: #fff;
            border: 1px solid var(--border-soft);
            transition: all 0.25s ease;
            margin-bottom: 10px;
        }
        .link-list-item:hover {
            border-color: rgba(232, 98, 44, 0.2);
            box-shadow: 0 4px 14px rgba(232, 98, 44, 0.07);
            transform: translateX(4px);
        }
        .link-list-item i {
            color: var(--color-primary);
            font-size: 15px;
            width: 22px;
            text-align: center;
        }
        .link-list-item span {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
        }
        .link-list-item .tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(247, 183, 51, 0.15);
            color: #B8891A;
            font-weight: 600;
        }
        .site-footer {
            background: #171720;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 90px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 50px;
            padding: 70px 24px 50px;
        }
        .footer-top h3 {
            font-size: 22px;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
        }
        .footer-top p {
            font-size: 14.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-top h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease, padding-left 0.3s ease;
            position: relative;
        }
        .footer-links a:hover {
            color: #F7B733;
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            color: #F7B733;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .related-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 3px 16px rgba(26, 26, 46, 0.06);
            transition: all 0.3s ease;
            border: 1px solid var(--border-soft);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 26px rgba(26, 26, 46, 0.1);
        }
        .related-card .rc-img {
            height: 130px;
            background-size: cover;
            background-position: center;
        }
        .related-card h4 {
            font-size: 15px;
            font-weight: 700;
            padding: 16px 16px 6px;
            line-height: 1.4;
        }
        .related-card .rc-meta {
            padding: 6px 16px 16px;
            font-size: 12.5px;
            color: #999;
            display: flex;
            gap: 14px;
        }
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 70px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 50px 24px 30px;
            }
            .topic-block {
                flex-direction: column;
                padding: 26px;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .breadcrumb {
                flex-wrap: wrap;
            }
        }

/* roulang page: article */
:root {
  --brand: #f97316;
  --brand-dark: #ea580c;
  --brand-deep: #c2410c;
  --brand-soft: #fff7ed;
  --brand-softer: #ffedd5;
  --ink: #0f172a;
  --ink-body: #334155;
  --ink-soft: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 6px 24px rgba(2, 6, 23, 0.06);
  --shadow-hover: 0 14px 40px rgba(2, 6, 23, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  line-height: 1.7;
  background: var(--bg);
  color: var(--ink-body);
  -webkit-font-smoothing: antialiased;
}

a {
  transition: all .3s ease;
}

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

button {
  font-family: inherit;
}

.container-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 透明玻璃沉浸导航 ===== */
.site-header {
  background: transparent;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease, backdrop-filter .35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(226, 232, 240, 0.7);
  box-shadow: 0 8px 30px rgba(2, 6, 23, 0.06);
}

.nav-logo {
  color: #fff;
  transition: color .3s ease;
}

.site-header.scrolled .nav-logo {
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #fff;
  font-size: 16px;
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
  transition: transform .3s ease;
}

.brand-mark:hover {
  transform: scale(1.06);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: .2px;
  transition: background .3s ease, color .3s ease, box-shadow .3s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.nav-link.nav-active {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.site-header.scrolled .nav-link {
  color: rgba(15, 23, 42, 0.8);
}

.site-header.scrolled .nav-link:hover {
  background: rgba(249, 115, 22, 0.1);
  color: var(--brand-dark);
}

.site-header.scrolled .nav-link.nav-active {
  background: rgba(249, 115, 22, 0.12);
  color: var(--brand-dark);
  box-shadow: inset 0 0 0 1px rgba(249, 115, 22, 0.25);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  margin-left: 14px;
  padding: 9px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
  transition: all .3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(249, 115, 22, 0.42);
}

.mobile-menu-btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 18px;
  backdrop-filter: blur(6px);
  transition: all .3s ease;
}

.site-header.scrolled .mobile-menu-btn {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.mobile-menu {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  padding: 16px 24px 20px;
  display: none;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 14px;
  color: var(--ink-body);
  font-weight: 600;
  border-radius: 12px;
  transition: background .25s ease, color .25s ease;
}

.mobile-menu a:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.mobile-menu a.mobile-active {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 150px 0 100px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #431407 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') no-repeat center / cover;
  opacity: .34;
  mix-blend-mode: luminosity;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.5) 0%, rgba(15, 23, 42, 0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
}

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  letter-spacing: .3px;
}

.article-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-breadcrumb a:hover {
  color: #fb923c;
}

.article-breadcrumb i.fa-chevron-right {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.4);
}

.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  margin-top: 30px;
  border-radius: 999px;
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(249, 115, 22, 0.35);
  color: #fdba74;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
}

.article-title {
  font-size: 32px;
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  margin-top: 20px;
  max-width: 860px;
  text-rendering: optimizeLegibility;
}

@media (min-width: 768px) {
  .article-title {
    font-size: 44px;
  }
}

@media (min-width: 1024px) {
  .article-title {
    font-size: 52px;
  }
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

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

.article-meta i {
  color: #fb923c;
  font-size: 14px;
}

/* ===== 正文主体 ===== */
.article-main {
  position: relative;
  z-index: 2;
  margin-top: -56px;
  padding-bottom: 20px;
}

.article-content-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px 56px;
}

@media (max-width: 768px) {
  .article-content-card {
    padding: 28px 22px;
  }
}

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-body);
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ink);
  margin: 2.4rem 0 1rem;
  line-height: 1.35;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2rem 0 0.8rem;
  line-height: 1.4;
}

.article-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 1.6rem 0 0.6rem;
}

.article-body p {
  margin-bottom: 1.3rem;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.3rem;
}

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

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

.article-body li {
  margin-bottom: .4rem;
  line-height: 1.75;
}

.article-body blockquote {
  border-left: 4px solid var(--brand);
  background: var(--brand-soft);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  color: #475569;
  font-style: italic;
}

.article-body img {
  border-radius: var(--radius);
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-card);
}

.article-body a {
  color: var(--brand-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--brand-deep);
}

.article-body code {
  background: #f1f5f9;
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.9em;
  color: #c2410c;
}

.article-body pre {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.not-found-box {
  text-align: center;
  padding: 48px 20px;
}

.not-found-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 22px;
  border-radius: 24px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.not-found-box h2 {
  font-size: 28px;
  color: var(--ink);
  font-weight: 800;
  margin-bottom: 10px;
}

.not-found-box p {
  color: var(--ink-soft);
  margin-bottom: 28px;
  font-size: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
  transition: all .3s ease;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(249, 115, 22, 0.42);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ===== 标签区块 ===== */
.section-tags {
  padding: 48px 0 8px;
}

.tags-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: var(--shadow-card);
}

.tags-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
  margin-right: 4px;
}

.tags-label i {
  color: var(--brand);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--brand-softer);
  transition: all .3s ease;
}

.tag-pill:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ===== 相关阅读 ===== */
.section-related {
  padding: 56px 0 20px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 32px;
}

.section-head.center {
  text-align: center;
  flex-direction: column;
  align-items: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 34px;
  }
}

.section-subtitle {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 520px;
  margin-top: 10px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--brand-soft);
  transition: all .3s ease;
  white-space: nowrap;
}

.section-more:hover {
  background: var(--brand);
  color: #fff;
  transform: translateX(2px);
}

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

.related-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all .35s ease;
  display: block;
  border: 1px solid transparent;
}

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

.related-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.related-body {
  padding: 18px 20px 22px;
}

.related-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}

.related-body h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-body .related-desc {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.meta-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.meta-line i {
  color: var(--brand);
}

.no-more-card {
  grid-column: 1 / -1;
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ===== FAQ ===== */
.section-faq {
  padding: 56px 0 20px;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-card);
}

.faq-item.open {
  border-color: var(--brand-softer);
  box-shadow: var(--shadow-card);
}

.faq-q {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  transition: color .3s ease;
}

.faq-q:hover {
  color: var(--brand-dark);
}

.faq-q .icon {
  color: var(--brand);
  font-size: 14px;
  transition: transform .35s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-q .icon {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 24px;
}

.faq-item.open .faq-a {
  max-height: 360px;
  padding-bottom: 22px;
}

.faq-a p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ===== CTA ===== */
.section-cta {
  padding: 60px 0 20px;
}

.cta-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a, #111827 50%, #431407);
  box-shadow: var(--shadow-hover);
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') no-repeat center / cover;
  opacity: .28;
  mix-blend-mode: luminosity;
}

.cta-content {
  position: relative;
  z-index: 2;
  padding: 64px 40px;
  text-align: center;
}

@media (min-width: 768px) {
  .cta-content {
    padding: 80px 60px;
  }
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(249, 115, 22, 0.35);
  color: #fdba74;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 22px;
}

.cta-content h2 {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 800;
  color: #fff;
  max-width: 660px;
  margin: 0 auto 16px;
}

@media (min-width: 768px) {
  .cta-content h2 {
    font-size: 36px;
  }
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  backdrop-filter: blur(8px);
  transition: all .3s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-ghost:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  margin-top: 80px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 40px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 14px;
  max-width: 380px;
}

.footer-links h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 4px;
}

.footer-links a {
  color: #94a3b8;
  display: block;
  padding: 5px 0;
  font-size: 14px;
}

.footer-links a:hover {
  color: #f97316;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #94a3b8;
  font-size: 14px;
  padding: 5px 0;
}

.footer-contact-item i {
  color: #f97316;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

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

@media (max-width: 768px) {
  .container-main {
    padding: 0 20px;
  }

  .article-hero {
    padding: 120px 0 80px;
  }

  .article-main {
    margin-top: -40px;
  }

  .article-content-card {
    padding: 28px 20px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-content {
    padding: 48px 24px;
  }

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

@media (max-width: 520px) {
  .article-title {
    font-size: 26px;
  }

  .article-meta {
    flex-direction: column;
    gap: 10px;
  }

  .tags-panel {
    padding: 14px 16px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn-primary,
  .cta-buttons .btn-ghost {
    justify-content: center;
  }
}