/* roulang page: index */
:root {
  --bg-light: #F3F1EC;
  --bg-dark: #101820;
  --bg-deeper: #0C1218;
  --card-bg: #FFFFFF;
  --primary: #C89B6F;
  --primary-hover: #A87B4F;
  --neon: #E6B45E;
  --secondary: #3E6B68;
  --secondary-bg: #EAF0EF;
  --text-main: #1F2327;
  --text-sub: #5F6A75;
  --text-dark: #C9CDD4;
  --text-light: #F0E9DC;
  --border: #D8D3C9;
  --error: #B84A3C;
  --success: #2D6A5F;
  --warning: #B7791F;
  --disabled: #B0B4B8;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 2px 12px rgba(16,24,32,.06);
  --shadow-hover: 0 8px 24px rgba(16,24,32,.12);
  --shadow-neon: 0 2px 8px rgba(230,180,94,.45);
  --transition: 180ms ease;
  --container: 1240px;
  --space-section: clamp(56px, 8vw, 88px);
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button, input {
  font-family: var(--font-sans);
  font-size: 15px;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(16,24,32,.97);
  backdrop-filter: blur(10px);
  height: 64px;
  border-bottom: 1px solid rgba(230,180,94,.2);
}

.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E6B45E 20%, #E6B45E 80%, transparent);
  box-shadow: 0 0 12px rgba(230,180,94,.35);
}

.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--neon);
  background: rgba(230,180,94,.12);
  border: 1px solid rgba(230,180,94,.35);
  padding: 2px 6px;
  border-radius: 999px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transform: translateY(-7px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  height: 64px;
}

.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 18px;
  height: 64px;
  color: var(--text-dark);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #E6B45E, #C89B6F);
  border-radius: 3px 3px 0 0;
  box-shadow: var(--shadow-neon);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: #FFFFFF;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: #FFFFFF;
}

.nav-links a.active::after {
  width: 100%;
  box-shadow: 0 2px 8px rgba(230,180,94,.5);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-nav {
  background: var(--primary);
  color: var(--bg-dark);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
}

.btn-nav:hover {
  background: #D4A87A;
  transform: translateY(-2px);
  color: var(--bg-dark);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-light);
  margin: 5px 0;
  border-radius: 2px;
  transition: all .3s ease;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg-dark);
  padding: 20px 0 30px;
  z-index: 999;
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
  border-bottom: 2px solid rgba(230,180,94,.3);
}

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

.mobile-nav a {
  display: block;
  padding: 14px 40px;
  color: var(--text-dark);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.mobile-nav a.active {
  color: var(--neon);
}

/* ===== Hero ===== */
.hero {
  background: var(--bg-dark);
  position: relative;
  padding-top: 64px;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: .32;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,24,32,.55) 20%, rgba(16,24,32,.78) 70%, rgba(16,24,32,.95) 100%);
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 2px solid rgba(230,180,94,.22);
  box-shadow: 0 0 60px rgba(230,180,94,.12);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 40px;
  width: 100%;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--neon);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--neon);
  box-shadow: var(--shadow-neon);
}

.hero-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-light);
  margin-bottom: 20px;
  letter-spacing: .01em;
}

.hero-subtitle {
  font-size: 17px;
  color: #E8E4DE;
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: all var(--transition);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: #D4A87A;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(200,155,111,.35);
  color: var(--bg-dark);
}

.btn-outline {
  background: transparent;
  border-color: rgba(230,180,94,.6);
  color: var(--neon);
}

.btn-outline:hover {
  background: rgba(230,180,94,.12);
  border-color: var(--neon);
  transform: translateY(-2px);
  color: var(--neon);
}

.hero-ticker {
  display: flex;
  align-items: center;
  gap: 18px;
  border-top: 1px solid rgba(230,180,94,.3);
  padding-top: 20px;
  flex-wrap: wrap;
}

.ticker-label {
  font-size: 12px;
  color: var(--neon);
  font-weight: 600;
  letter-spacing: .1em;
  padding: 4px 12px;
  border: 1px solid rgba(230,180,94,.35);
  border-radius: 999px;
  white-space: nowrap;
  background: rgba(230,180,94,.08);
}

.ticker-text {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.7;
  flex: 1;
  min-width: 240px;
}

/* ===== Section spacing ===== */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}

.section-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  position: relative;
  padding-bottom: 14px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 3px;
}

.section-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-hover);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.section-link:hover {
  gap: 10px;
  color: var(--primary);
}

/* ===== Latest CMS List ===== */
.latest-section {
  background: var(--bg-light);
}

.latest-grid {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.latest-item {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 24px;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  align-items: center;
}

.latest-item:last-child {
  border-bottom: none;
}

.latest-item:hover {
  background: rgba(200,155,111,.05);
}

.latest-date {
  font-size: 14px;
  color: var(--secondary);
  font-weight: 500;
  font-style: normal;
}

.latest-date strong {
  display: block;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.latest-info h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 6px;
}

.latest-info h3 a {
  transition: color var(--transition);
}

.latest-info h3 a:hover {
  color: var(--primary-hover);
}

.latest-summary {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.latest-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}

.latest-meta span {
  font-size: 13px;
  color: var(--text-sub);
}

.latest-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--secondary-bg);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.latest-post-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-sub);
  transition: all var(--transition);
}

.latest-post-link:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateX(3px);
}

.empty-state {
  padding: 48px 32px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  margin: 24px;
  color: var(--text-sub);
}

.empty-state i {
  font-size: 40px;
  color: var(--border);
  margin-bottom: 12px;
  display: block;
}

/* ===== Directory ===== */
.directory-section {
  background: var(--bg-light);
  padding-top: 0;
}

.directory-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 12px 32px;
}

.directory-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}

.directory-item:last-child {
  border-bottom: none;
}

.directory-item:hover {
  padding-left: 8px;
}

.directory-num {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  min-width: 48px;
  font-style: italic;
  letter-spacing: .02em;
}

.directory-name {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-main);
  flex: 1;
  transition: color var(--transition);
}

.directory-item:hover .directory-name {
  color: var(--primary-hover);
}

.directory-arrow {
  color: var(--primary-hover);
  font-size: 20px;
  transition: transform var(--transition);
}

.directory-item:hover .directory-arrow {
  transform: translateX(4px);
}

/* ===== Featured Cards ===== */
.featured-section {
  background: var(--bg-light);
  padding-top: 0;
}

.featured-grid {
  display: grid;
  gap: 28px;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  min-height: 320px;
}

.featured-card:hover {
  box-shadow: var(--shadow-hover);
  border: 1px solid rgba(200,155,111,.4);
  transform: translateY(-2px);
}

.featured-card:nth-child(even) .featured-media {
  order: 2;
}

.featured-media {
  position: relative;
  overflow: hidden;
  min-height: 260px;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .5s ease;
}

.featured-card:hover .featured-media img {
  transform: scale(1.04);
}

.featured-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.featured-body .tag {
  align-self: flex-start;
}

.featured-title {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
}

.featured-desc {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-hover);
  margin-top: 8px;
  transition: gap var(--transition);
}

.featured-link:hover {
  gap: 12px;
  color: var(--primary);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--secondary-bg);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.tag-gold {
  background: rgba(200,155,111,.14);
  color: var(--primary-hover);
}

/* ===== Recommended ===== */
.recommend-section {
  background: var(--bg-light);
  padding-top: 0;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.recommend-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.recommend-card:hover {
  box-shadow: var(--shadow-hover);
  border: 1px solid rgba(200,155,111,.35);
  transform: translateY(-4px);
}

.recommend-media {
  aspect-ratio: 3/2;
  position: relative;
  overflow: hidden;
  background: var(--border);
}

.recommend-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.recommend-card:hover .recommend-media img {
  transform: scale(1.06);
}

.recommend-body {
  padding: 20px;
}

.recommend-body .tag {
  margin-bottom: 10px;
}

.recommend-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 8px;
}

.recommend-body h3 a:hover {
  color: var(--primary-hover);
}

.recommend-date {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 6px;
}

.recommend-date i {
  color: var(--primary);
  font-size: 12px;
}

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

.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
}

.faq-intro .section-title {
  margin-bottom: 12px;
}

.faq-intro p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}

.faq-list {
  width: 100%;
}

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: 0 1px 4px rgba(16,24,32,.04);
  border: 1px solid transparent;
  transition: all var(--transition);
  overflow: hidden;
}

.faq-item.open {
  border-color: rgba(200,155,111,.4);
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary-hover);
}

.faq-item.open .faq-question {
  color: var(--primary-hover);
}

.faq-icon {
  font-size: 22px;
  color: var(--primary);
  transition: transform .3s ease;
  font-style: normal;
  line-height: 1;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-sub);
  border-top: 0 solid rgba(200,155,111,.2);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
  border-top-width: 1px;
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding: var(--space-section) 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E6B45E 20%, #E6B45E 80%, transparent);
  box-shadow: 0 0 12px rgba(230,180,94,.35);
}

.cta-section::after {
  content: "";
  position: absolute;
  left: -80px;
  top: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 2px solid rgba(230,180,94,.18);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 40px;
}

.cta-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.4;
}

.cta-subtitle {
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-dark);
  border-top: 1px solid rgba(230,180,94,.25);
}

.footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E6B45E 20%, #E6B45E 80%, transparent);
  box-shadow: 0 0 12px rgba(230,180,94,.3);
}

.footer-main {
  padding: 48px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand .brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
  display: block;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dark);
  margin-top: 10px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-dark);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.footer-contact {
  font-size: 14px;
  display: grid;
  gap: 10px;
  color: var(--text-dark);
}

.footer-contact i {
  color: var(--primary);
  width: 20px;
}

.footer-bottom {
  background: var(--bg-deeper);
  padding: 18px 0;
  font-size: 13px;
  color: #8A9099;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links a {
    padding: 0 12px;
  }

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

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

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

  .nav {
    padding: 0 24px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-inner {
    padding: 56px 24px 48px;
  }

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

  .hero-actions .btn {
    justify-content: center;
  }

  .latest-grid {
    scroll-behavior: auto;
  }

  .latest-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px 24px;
  }

  .latest-date {
    display: flex;
    gap: 6px;
    align-items: baseline;
  }

  .latest-date strong {
    display: inline;
    font-size: 16px;
  }

  .latest-meta {
    justify-content: flex-start;
  }

  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-card:nth-child(even) .featured-media {
    order: 1;
  }

  .featured-body {
    padding: 28px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

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

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

  .nav {
    padding: 0 16px;
  }

  .brand-badge {
    display: none;
  }

  .brand-link {
    font-size: 16px;
  }

  .hero-inner {
    padding: 48px 16px 40px;
  }

  .directory-box {
    padding: 8px 20px;
  }

  .directory-item {
    gap: 14px;
    padding: 16px 0;
  }

  .directory-num {
    font-size: 18px;
    min-width: 32px;
  }

  .directory-name {
    font-size: 15px;
  }

  .directory-arrow {
    display: none;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Accessibility focus */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(200,155,111,.5);
  outline-offset: 2px;
}

/* ===== misc ===== */
.gold-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230,180,94,.5), transparent);
  margin: 24px 0;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 420px;
  line-height: 1.8;
}

/* roulang page: category1 */
:root {
  --bg-light: #F3F1EC;
  --bg-dark: #101820;
  --bg-darker: #0C1218;
  --card-bg: #FFFFFF;
  --gold: #C89B6F;
  --gold-hover: #A87B4F;
  --gold-neon: #E6B45E;
  --teal: #3E6B68;
  --teal-light: #EAF0EF;
  --text-main: #1F2327;
  --text-secondary: #5F6A75;
  --text-dark: #C9CDD4;
  --text-light: #F0E9DC;
  --line: #D8D3C9;
  --danger: #B84A3C;
  --success: #2D6A5F;
  --warning: #B7791F;
  --disabled: #B0B4B8;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 2px 12px rgba(16,24,32,.06);
  --shadow-hover: 0 8px 24px rgba(16,24,32,.12);
  --shadow-glow: 0 2px 8px rgba(230,180,94,.45);
  --transition: 160ms ease;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}
button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px;
}
/* ===================== 导航 ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-dark);
  height: 64px;
  border-bottom: 1px solid rgba(230,180,94,.25);
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
}
.header::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-neon) 20%, var(--gold-neon) 80%, transparent);
  box-shadow: 0 0 12px rgba(230,180,94,.35);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.nav {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: .02em;
  white-space: nowrap;
}
.brand-link:hover {
  color: #fff;
}
.brand-badge {
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid rgba(230,180,94,.55);
  color: var(--gold-neon);
  border-radius: 999px;
  letter-spacing: .08em;
  line-height: 1.4;
  background: rgba(230,180,94,.08);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 15px;
  color: var(--text-dark);
  padding: 8px 0;
  position: relative;
  font-weight: 500;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--gold-neon);
  transform: scaleX(0);
  transition: transform var(--transition), box-shadow var(--transition);
  border-radius: 3px;
}
.nav-links a:hover {
  color: #fff;
}
.nav-links a:hover::after {
  transform: scaleX(1);
}
.nav-links a.active {
  color: #fff;
}
.nav-links a.active::after {
  transform: scaleX(1);
  box-shadow: var(--shadow-glow);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--bg-dark);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-nav:hover {
  background: #D4A87A;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(200,155,111,.3);
}
.btn-nav i {
  font-size: 13px;
}
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: transform var(--transition), background var(--transition), opacity var(--transition);
}
.hamburger.is-open span:first-child {
  transform: translateY(7px) rotate(45deg);
  background: var(--gold-neon);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:last-child {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--gold-neon);
}
/* ===================== Hero ===================== */
.hero-cat {
  margin-top: 64px;
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(16,24,32,.82), rgba(16,24,32,.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 80px 0 72px;
  overflow: hidden;
}
.hero-cat::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-neon) 30%, var(--gold-neon) 70%, transparent);
  box-shadow: 0 0 10px rgba(230,180,94,.35);
}
.hero-cat .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-neon);
  border: 1px solid rgba(230,180,94,.4);
  background: rgba(230,180,94,.08);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.3;
  letter-spacing: .02em;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.hero-title span {
  color: var(--gold-neon);
}
.hero-subtitle {
  font-size: 16px;
  color: #E8E4DE;
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.8;
  letter-spacing: .02em;
  opacity: .92;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--bg-dark);
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-gold:hover {
  background: #D4A87A;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200,155,111,.35);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--gold-neon);
  border: 1px solid rgba(230,180,94,.55);
  padding: 12px 25px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn-outline:hover {
  background: rgba(230,180,94,.1);
  border-color: var(--gold-neon);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(230,180,94,.18);
}
/* ===================== 通用区块 ===================== */
.section {
  padding: clamp(56px, 8vw, 88px) 0;
}
.section-alt {
  background: var(--bg-light);
}
.section-white {
  background: #fff;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--teal);
  background: var(--teal-light);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(24px, 3.5vw, 30px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}
/* ===================== 图文介绍 ===================== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-content .section-tag {
  margin-bottom: 14px;
}
.intro-content h3 {
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--text-main);
}
.intro-content p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.intro-list {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.intro-list li i {
  color: var(--teal);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.intro-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}
.intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.intro-media:hover img {
  transform: scale(1.02);
}
.intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
/* ===================== 目录索引 ===================== */
.directory {
  background: var(--bg-dark);
  position: relative;
}
.directory::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-neon), transparent);
  opacity: .6;
}
.directory .section-tag {
  background: rgba(62,107,104,.2);
  color: #8EC5C1;
}
.directory .section-title {
  color: var(--text-light);
}
.directory .section-desc {
  color: var(--text-dark);
}
.directory-list {
  max-width: 960px;
  margin: 0 auto;
}
.directory-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 8px;
  border-bottom: 1px solid rgba(255,255,255,.09);
  transition: background var(--transition), border-color var(--transition);
  position: relative;
  cursor: default;
}
.directory-row:first-child {
  border-top: transparent;
}
.directory-row:hover {
  background: rgba(200,155,111,.06);
}
.directory-row:last-child {
  border-bottom-color: rgba(230,180,94,.35);
}
.directory-num {
  font-size: 24px;
  font-weight: 600;
  color: var(--gold);
  min-width: 52px;
  font-family: Georgia, serif;
  letter-spacing: .02em;
}
.directory-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.directory-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 2px;
  letter-spacing: .02em;
}
.directory-desc {
  font-size: 14px;
  color: var(--text-dark);
  opacity: .85;
  line-height: 1.6;
}
.directory-arrow {
  font-size: 18px;
  color: var(--gold);
  opacity: .7;
  transition: transform var(--transition), opacity var(--transition);
  flex-shrink: 0;
}
.directory-row:hover .directory-arrow {
  transform: translateX(4px);
  opacity: 1;
}
/* ===================== 特征数据卡 ===================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  border: 1px solid rgba(255,255,255,.6);
}
.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-light);
  color: var(--teal);
  border-radius: 12px;
  font-size: 20px;
  margin-bottom: 18px;
  transition: background var(--transition), color var(--transition);
}
.feature-item:hover .feature-icon {
  background: var(--gold);
  color: #fff;
}
.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* ===================== 内容范围横向列表 ===================== */
.scope-list {
  display: flex;
  flex-direction: column;
  max-width: 960px;
  margin: 0 auto;
}
.scope-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition), border-color var(--transition), padding-left var(--transition);
}
.scope-item:last-child {
  border-bottom: none;
}
.scope-item:hover {
  background: rgba(200,155,111,.05);
  padding-left: 4px;
  border-left: 3px solid var(--gold);
  border-bottom-color: rgba(200,155,111,.2);
}
.scope-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-light);
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  padding: 4px 14px;
  border-radius: 999px;
  min-width: 88px;
  flex-shrink: 0;
  text-align: center;
}
.scope-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  min-width: 120px;
  flex-shrink: 0;
}
.scope-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.scope-icon {
  color: var(--gold);
  font-size: 16px;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.scope-item:hover .scope-icon {
  opacity: 1;
  transform: translateX(4px);
}
/* ===================== 流程 ===================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.process-num {
  font-size: 36px;
  font-weight: 700;
  color: rgba(200,155,111,.3);
  font-family: Georgia, serif;
  line-height: 1;
  margin-bottom: 16px;
}
.process-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.process-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* ===================== FAQ ===================== */
.faq-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 96px;
}
.faq-left .section-tag {
  margin-bottom: 14px;
}
.faq-left h3 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 16px;
}
.faq-left p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.faq-list {
  display: flex;
  flex-direction: column;
}
.faq-item {
  border-bottom: 1px solid var(--line);
  transition: border-color var(--transition);
}
.faq-item:first-child {
  border-top: 1px solid var(--line);
}
.faq-item.open {
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  background: rgba(200,155,111,.02);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: color var(--transition);
  width: 100%;
  text-align: left;
}
.faq-question:hover {
  color: var(--gold-hover);
}
.faq-item.open .faq-question {
  color: var(--gold-hover);
}
.faq-icon {
  font-size: 18px;
  color: var(--gold);
  transition: transform var(--transition);
  flex-shrink: 0;
  display: inline-block;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  padding: 0 4px;
}
.faq-item.open .faq-answer {
  max-height: 320px;
  padding: 0 4px 20px;
}
/* ===================== CTA ===================== */
.cta-section {
  position: relative;
  background: var(--bg-dark);
  padding: 72px 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-neon) 20%, var(--gold-neon) 80%, transparent);
  box-shadow: 0 0 14px rgba(230,180,94,.4);
}
.cta-panel {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(24px, 3.5vw, 30px);
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 14px;
}
.cta-subtitle {
  font-size: 15px;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 32px;
  opacity: .9;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--gold-neon);
  border: 1px solid rgba(230,180,94,.55);
  padding: 12px 25px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-outline-light:hover {
  background: rgba(230,180,94,.1);
  border-color: var(--gold-neon);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(230,180,94,.18);
}
/* ===================== 页脚 ===================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-dark);
}
.footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-neon) 20%, var(--gold-neon) 80%, transparent);
  box-shadow: 0 0 12px rgba(230,180,94,.3);
}
.footer-main {
  padding: 64px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  display: inline-block;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.8;
  max-width: 300px;
  opacity: .85;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 16px;
  letter-spacing: .04em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.6;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
  color: var(--gold-neon);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark);
  opacity: .9;
}
.footer-contact i {
  color: var(--gold);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.footer-bottom {
  background: var(--bg-darker);
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom span {
  font-size: 13px;
  color: #8A9099;
}
/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }
  .nav {
    padding: 0 24px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .faq-left {
    position: static;
  }
  .intro-grid {
    gap: 36px;
  }
}
@media (max-width: 768px) {
  .header {
    height: 56px;
  }
  .hero-cat {
    margin-top: 56px;
    min-height: 56vh;
    padding: 64px 0 56px;
  }
  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
    box-shadow: 0 12px 30px rgba(0,0,0,.3);
  }
  .nav-links.open {
    max-height: 260px;
    padding: 16px 24px 24px;
  }
  .nav-links a {
    padding: 12px 0;
    font-size: 16px;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,.07);
  }
  .nav-links a:last-child {
    border-bottom: none;
  }
  .nav-links a::after {
    display: none;
  }
  .nav-links a.active {
    color: var(--gold-neon);
  }
  .hamburger {
    display: flex;
  }
  .btn-nav {
    display: none;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .intro-media {
    order: -1;
  }
  .directory-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .directory-num {
    font-size: 20px;
  }
  .directory-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .directory-arrow {
    display: none;
  }
  .scope-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-left: 0;
  }
  .scope-item:hover {
    padding-left: 0;
  }
  .scope-icon {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
  .section {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .btn-gold, .btn-outline, .btn-outline-light {
    width: 100%;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .nav {
    padding: 0 16px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 14px;
  }
}

/* roulang page: article */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg: #F3F1EC;
  --bg-dark: #101820;
  --bg-darker: #0C1218;
  --card: #FFFFFF;
  --gold: #C89B6F;
  --gold-hover: #A87B4F;
  --gold-neon: #E6B45E;
  --teal: #3E6B68;
  --teal-bg: #EAF0EF;
  --text-main: #1F2327;
  --text-sub: #5F6A75;
  --text-dark: #C9CDD4;
  --text-title-dark: #F0E9DC;
  --border: #D8D3C9;
  --danger: #B84A3C;
  --success: #2D6A5F;
  --warn: #B7791F;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 2px 12px rgba(16, 24, 32, .06);
  --shadow-hover: 0 8px 24px rgba(16, 24, 32, .12);
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --container: 1240px;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-dark);
  box-shadow: 0 2px 12px rgba(16, 24, 32, .45);
}
.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E6B45E 20%, #E6B45E 80%, transparent);
  box-shadow: 0 0 12px rgba(230, 180, 94, .35);
  z-index: 1;
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-title-dark);
  letter-spacing: .01em;
}
.brand-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--bg-dark);
  background: var(--gold-neon);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: .04em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 16px;
  color: var(--text-dark);
  padding: 8px 0;
  position: relative;
  transition: color .2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--gold-neon);
  border-radius: 3px;
  transition: width .2s ease;
}
.nav-links a:hover {
  color: #fff;
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-links a.active {
  color: #fff;
}
.nav-links a.active::after {
  width: 100%;
  box-shadow: 0 2px 8px rgba(230, 180, 94, .5);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--bg-dark);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all .2s ease;
}
.btn-nav:hover {
  background: #D4A87A;
  transform: translateY(-2px);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-title-dark);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ===== Article Banner ===== */
.article-main {
  padding-top: 64px;
}
.article-banner {
  position: relative;
  background: var(--bg-dark);
  padding: 80px 0 48px;
  border-bottom: 1px solid rgba(200, 155, 111, .2);
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  border: 2px solid rgba(230, 180, 94, .15);
  border-radius: 50%;
  pointer-events: none;
}
.article-banner::after {
  content: '';
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(230, 180, 94, .1);
  border-radius: 50%;
  pointer-events: none;
}
.article-banner .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dark);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--text-dark);
  transition: color .2s;
}
.breadcrumb a:hover {
  color: var(--gold-neon);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, .3);
}
.breadcrumb .current {
  color: var(--gold-neon);
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-title {
  font-size: clamp(26px, 3.5vw, 32px);
  font-weight: 700;
  color: var(--text-title-dark);
  line-height: 1.4;
  max-width: 860px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-dark);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i {
  color: var(--gold);
}

/* ===== Article Body ===== */
.article-body {
  padding: 56px 0 24px;
}
.article-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-main);
}
.article-content p {
  margin-bottom: 1.2em;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.4;
  margin: 48px 0 16px;
  color: var(--text-main);
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  margin: 36px 0 12px;
  color: var(--text-main);
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 28px 0 12px;
  color: var(--text-main);
}
.article-content img {
  border-radius: var(--radius-lg);
  margin: 24px 0;
  width: 100%;
  object-fit: cover;
}
.article-content blockquote {
  border-left: 3px solid var(--gold);
  padding: 16px 24px;
  margin: 24px 0;
  background: rgba(200, 155, 111, .05);
  color: var(--text-sub);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.2em 1.4em;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content a {
  color: var(--gold-hover);
  border-bottom: 1px solid rgba(200, 155, 111, .4);
}
.article-content a:hover {
  color: var(--gold);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.article-content th {
  background: var(--teal-bg);
  font-weight: 600;
}

/* ===== Tags ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 40px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-block;
  background: var(--teal-bg);
  color: var(--teal);
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: .02em;
}

/* ===== Pager ===== */
.article-pager {
  display: flex;
  align-items: stretch;
  margin: 48px 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
}
.pager-link {
  flex: 1;
  padding: 20px 24px;
  transition: background .2s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pager-link:hover {
  background: rgba(200, 155, 111, .06);
}
.pager-link.right {
  border-left: 1px solid var(--border);
  text-align: right;
  align-items: flex-end;
}
.pager-label {
  font-size: 12px;
  color: var(--text-sub);
}
.pager-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

/* ===== Related ===== */
.related-section {
  padding: 56px 0 72px;
}
.related-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}
.related-head h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
}
.related-head h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--gold);
  border-radius: 3px;
  margin-top: 8px;
}
.related-more {
  font-size: 14px;
  color: var(--gold-hover);
  font-weight: 500;
  transition: color .2s;
}
.related-more:hover {
  color: var(--gold);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all .2s ease;
  border: 1px solid transparent;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 155, 111, .4);
  transform: translateY(-4px);
}
.related-cover {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #d8d3c9;
  position: relative;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.04);
}
.related-body {
  padding: 16px 18px 20px;
}
.related-cat {
  font-size: 12px;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
  letter-spacing: .04em;
}
.related-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-meta {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 8px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: var(--bg-dark);
  padding: 64px 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  border-top: 1px solid rgba(230, 180, 94, .25);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 32, .88);
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--text-title-dark);
  margin-bottom: 12px;
}
.cta-desc {
  font-size: 15px;
  color: var(--text-dark);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--bg-dark);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: all .2s ease;
}
.btn-primary:hover {
  background: #D4A87A;
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--gold);
  color: var(--text-title-dark);
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: all .2s ease;
}
.btn-outline:hover {
  background: rgba(200, 155, 111, .12);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(230, 180, 94, .3);
}
.footer-main {
  padding: 56px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
}
.footer-brand .brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title-dark);
}
.footer-desc {
  font-size: 13px;
  color: var(--text-dark);
  line-height: 1.8;
  margin-top: 12px;
  max-width: 280px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title-dark);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-dark);
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--gold-neon);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark);
}
.footer-contact i {
  color: var(--gold);
  width: 18px;
}
.footer-bottom {
  background: var(--bg-darker);
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .06);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: #8A9099;
}

/* ===== Not Found ===== */
.not-found {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 20px 40px;
}
.not-found h1 {
  font-size: 32px;
  color: var(--text-main);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-sub);
  margin-bottom: 24px;
}
.not-found .btn-primary {
  display: inline-flex;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav {
    padding: 0 24px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .container {
    padding: 0 24px;
  }
}
@media (max-width: 768px) {
  .nav {
    padding: 0 16px;
    height: 56px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    gap: 0;
    padding: 12px 16px;
    border-top: 1px solid rgba(230, 180, 94, .2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
  }
  .nav-links a::after {
    display: none;
  }
  .nav-links a.active {
    color: var(--gold-neon);
  }
  .hamburger {
    display: flex;
  }
  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .container {
    padding: 0 16px;
  }
  .article-main {
    padding-top: 56px;
  }
  .article-banner {
    padding: 40px 0 28px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-meta {
    gap: 14px;
  }
  .article-body {
    padding: 40px 0 16px;
  }
  .article-wrap {
    padding: 0 16px;
  }
  .article-pager {
    flex-direction: column;
  }
  .pager-link.right {
    border-left: none;
    border-top: 1px solid var(--border);
    text-align: left;
    align-items: flex-start;
  }
  .related-section {
    padding: 40px 0 56px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cta-section {
    padding: 48px 0;
  }
  .cta-actions {
    flex-direction: column;
    padding: 0 16px;
  }
  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .footer-main {
    padding: 40px 0 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
  .breadcrumb {
    margin-bottom: 20px;
  }
}
@media (max-width: 520px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .nav-links a {
    font-size: 15px;
  }
  .article-title {
    font-size: 22px;
  }
  .article-content {
    font-size: 15px;
  }
  .breadcrumb .current {
    max-width: 140px;
  }
}