/* roulang page: index */
:root {
  --color-primary: #6D28D9;
  --color-primary-dark: #5B21B6;
  --color-accent: #A3E635;
  --color-accent-ink: #1A2E05;
  --color-bg: #F7F5F2;
  --color-card: #FFFFFF;
  --color-bg-dark: #14111F;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-light: #F3F4F6;
  --color-border: #E9E4DE;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-small: 8px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.10);
  --transition: 0.3s ease;
  --max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

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

.section {
  padding: 96px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
  color: var(--color-text);
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 70%;
  background: var(--color-primary);
  border-radius: 4px;
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-top: 8px;
}

.section-link {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.section-link:hover {
  color: var(--color-primary-dark);
}

.section-link i {
  transition: transform var(--transition);
}

.section-link:hover i {
  transform: translateX(4px);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  white-space: nowrap;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
}

.nav-logo span.highlight {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(109, 40, 217, 0.06);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
  background: rgba(109, 40, 217, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  position: relative;
}

.nav-search input {
  width: 200px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0 16px 0 36px;
  font-size: 14px;
  background: var(--color-bg);
  transition: all var(--transition);
}

.nav-search input:focus {
  width: 260px;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.12);
}

.nav-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: 13px;
  pointer-events: none;
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: 14px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: #8DCE2A;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(163, 230, 53, 0.35);
}

.nav-cta:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text);
  transition: background var(--transition);
}

.mobile-menu-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

.mobile-menu {
  display: none;
  padding: 16px 24px 24px;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

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

.mobile-menu .mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu .mobile-nav-link {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition);
}

.mobile-menu .mobile-nav-link.active {
  background: rgba(109, 40, 217, 0.1);
  color: var(--color-primary);
}

.mobile-menu .mobile-search {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.mobile-menu .mobile-search input {
  flex: 1;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 14px;
  font-size: 14px;
}

.mobile-menu .mobile-cta {
  display: block;
  text-align: center;
  margin-top: 12px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 700;
  padding: 12px;
  border-radius: 12px;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #14111F 0%, #232033 55%, #2D2A3D 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 17, 31, 0.0) 0%, rgba(20, 17, 31, 0.2) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding: 96px 24px 100px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(163, 230, 53, 0.15);
  border: 1px solid rgba(163, 230, 53, 0.3);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: 0 4px 16px rgba(163, 230, 53, 0.3);
}

.btn-primary:hover {
  background: #8DCE2A;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(163, 230, 53, 0.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(163, 230, 53, 0.08);
}

.btn-primary-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: 20px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: rotate(1.5deg);
  transition: transform 0.4s ease;
}

.hero-visual img:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-visual-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hero-visual-float.top-left {
  top: 20px;
  left: -20px;
}

.hero-visual-float.bottom-right {
  bottom: 24px;
  right: -16px;
}

.hero-visual-float i {
  color: var(--color-accent);
  font-size: 18px;
}

.hero-scroll {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-bottom: 32px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== About ===== */
.about-section {
  background: var(--color-bg);
  padding: 96px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
}

.about-image::before {
  content: "";
  position: absolute;
  top: -16px;
  left: -16px;
  width: 120px;
  height: 120px;
  background: rgba(163, 230, 53, 0.3);
  border-radius: 20px;
  z-index: -1;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 24px;
  position: relative;
  padding-left: 16px;
  line-height: 1.3;
}

.about-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: 70%;
  background: var(--color-accent);
  border-radius: 4px;
}

.about-content p {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.about-points {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.about-point {
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-point i {
  color: var(--color-primary);
  font-size: 20px;
}

.about-point span {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text);
}

/* ===== News ===== */
.news-section {
  background: #F1EDF7;
  padding: 96px 0;
}

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

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  align-items: center;
  background: var(--color-card);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-card);
  padding: 16px;
  gap: 18px;
  transition: all var(--transition);
}

.news-item:hover {
  border-color: rgba(109, 40, 217, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-item-thumb {
  width: 120px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: #F3F1F7;
}

.news-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-item:hover .news-item-thumb img {
  transform: scale(1.06);
}

.news-item-content {
  flex: 1;
  min-width: 0;
}

.news-item-cat {
  display: inline-block;
  background: rgba(109, 40, 217, 0.1);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}

.news-item-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}

.news-item:hover .news-item-title {
  color: var(--color-primary);
}

.news-item-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.6;
}

.news-item-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #9CA3AF;
  margin-top: 6px;
}

.news-sidebar {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 28px;
  align-self: start;
}

.news-sidebar-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text);
}

.news-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition);
  cursor: default;
}

.news-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(109, 40, 217, 0.04);
}

.news-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px dashed var(--color-border);
  color: var(--color-text-secondary);
  font-size: 15px;
}

.news-empty i {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
  opacity: 0.4;
}

/* ===== Featured ===== */
.featured-section {
  background: var(--color-bg);
  padding: 96px 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.featured-large {
  background: var(--color-card);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.featured-large:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.featured-large .featured-img {
  position: relative;
  overflow: hidden;
  height: 240px;
}

.featured-large .featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-large:hover .featured-img img {
  transform: scale(1.05);
}

.featured-large .featured-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.4));
}

.featured-large .featured-badge {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.featured-large-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-large-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.featured-large-content p {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  transition: gap var(--transition);
}

.featured-link:hover {
  gap: 10px;
}

.featured-small-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.featured-small {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-small:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(109, 40, 217, 0.2);
}

.featured-small .featured-small-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(109, 40, 217, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 20px;
  margin-bottom: 16px;
}

.featured-small h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.featured-small p {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 12px;
}

/* ===== Trust ===== */
.trust-section {
  background: var(--color-bg-dark);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.trust-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(163, 230, 53, 0.05);
  border-radius: 50%;
}

.trust-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 20%;
  width: 200px;
  height: 200px;
  background: rgba(109, 40, 217, 0.1);
  border-radius: 50%;
  filter: blur(60px);
}

.trust-inner {
  position: relative;
  z-index: 1;
}

.trust-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  text-align: center;
}

.trust-subtitle {
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  font-size: 16px;
  margin-bottom: 56px;
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.trust-stat {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition), transform var(--transition);
}

.trust-stat:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.trust-stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 8px;
}

.trust-stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 500;
}

.trust-wall {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
  line-height: 2.2;
  letter-spacing: 2px;
}

.trust-wall span {
  margin: 0 12px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: rgba(163, 230, 53, 0.15);
  border-radius: 50%;
  filter: blur(40px);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: 5%;
  width: 260px;
  height: 260px;
  background: rgba(163, 230, 53, 0.1);
  border-radius: 50%;
  filter: blur(60px);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto 24px;
}

.cta-input {
  flex: 1;
  height: 48px;
  border-radius: var(--radius-btn);
  padding: 0 20px;
  font-size: 15px;
  background: #fff;
  color: var(--color-text);
  border: none;
  transition: box-shadow var(--transition);
}

.cta-input:focus {
  box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.4);
}

.cta-input::placeholder {
  color: #9CA3AF;
}

.cta-submit {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-btn);
  height: 48px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.cta-submit:hover {
  background: #8DCE2A;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(163, 230, 53, 0.3);
}

.cta-submit:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.cta-note {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

/* ===== FAQ ===== */
.faq-section {
  background: var(--color-bg);
  padding: 96px 0;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: rgba(109, 40, 217, 0.25);
  box-shadow: 0 4px 16px rgba(109, 40, 217, 0.06);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(163, 230, 53, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-accent-ink);
  flex-shrink: 0;
  transition: all var(--transition);
}

.faq-item.active .faq-question .faq-icon {
  background: var(--color-accent);
  transform: rotate(180deg);
}

.faq-question .faq-arrow {
  margin-left: auto;
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: transform var(--transition);
}

.faq-item.active .faq-question .faq-arrow {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.85;
  border-top: 1px solid transparent;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 16px 24px 20px 66px;
  border-top-color: var(--color-border);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  padding: 64px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

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

.footer-link {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  transition: all var(--transition);
}

.footer-link:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
}

.footer-bottom .copyright {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 72px 24px 80px;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

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

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

  .cta-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-search {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-inner {
    height: 56px;
    gap: 12px;
  }

  .nav-cta {
    display: none;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-inner {
    padding: 48px 16px 64px;
  }

  .hero-visual-float.top-left {
    left: 8px;
  }

  .hero-visual-float.bottom-right {
    right: 8px;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .about-content h2 {
    font-size: 24px;
  }

  .trust-content h2 {
    font-size: 24px;
  }

  .cta-section {
    padding: 64px 0;
  }

  .cta-title {
    font-size: 26px;
  }

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

  .cta-submit {
    width: 100%;
  }

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

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

  .news-item {
    flex-direction: row;
  }

  .news-item-thumb {
    width: 96px;
    height: 72px;
  }

  .news-item-title {
    font-size: 15px;
  }

  .news-item-excerpt {
    -webkit-line-clamp: 2;
  }

  .faq-item.active .faq-answer {
    padding-left: 24px;
  }
}

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

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .btn {
    width: 100%;
  }

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

  .trust-stat-num {
    font-size: 30px;
  }

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

  .featured-large .featured-img {
    height: 180px;
  }

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

  .news-item-thumb {
    width: 80px;
    height: 64px;
  }
}

/* roulang page: category1 */
:root {
    --color-primary: #6D28D9;
    --color-primary-dark: #5B21B6;
    --color-accent: #A3E635;
    --color-accent-ink: #1A2E05;
    --color-bg: #F7F5F2;
    --color-card: #FFFFFF;
    --color-bg-dark: #14111F;
    --color-text: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-light: #F3F4F6;
    --color-border: #F1EAE3;
    --color-divider: #E9E4DE;
    --radius-card: 16px;
    --radius-btn: 12px;
    --radius-badge: 8px;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
    --transition: all 0.3s ease;
    --container-max: 1280px;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  button { border: none; background: none; cursor: pointer; font-family: inherit; }
  input { font-family: inherit; }

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

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text);
    white-space: nowrap;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(109,40,217,0.3);
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: var(--transition);
  }
  .nav-link:hover {
    color: var(--color-primary);
    background: rgba(109,40,217,0.06);
  }
  .nav-link.active {
    color: var(--color-primary);
    background: rgba(109,40,217,0.10);
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -17px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--color-primary);
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .search-box {
    position: relative;
    display: flex;
    align-items: center;
  }
  .search-box input {
    width: 200px;
    height: 38px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-divider);
    background: var(--color-bg);
    padding: 0 38px 0 14px;
    font-size: 14px;
    color: var(--color-text);
    transition: var(--transition);
  }
  .search-box input:focus {
    outline: none;
    width: 260px;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(109,40,217,0.12);
  }
  .search-box i {
    position: absolute;
    right: 14px;
    font-size: 14px;
    color: var(--color-text-secondary);
    pointer-events: none;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
  }
  .btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(109,40,217,0.4);
  }
  .btn-accent {
    background: var(--color-accent);
    color: var(--color-accent-ink);
    box-shadow: 0 2px 8px rgba(163,230,53,0.3);
  }
  .btn-accent:hover {
    background: #8FD02A;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(163,230,53,0.4);
  }
  .btn-accent:active { transform: translateY(0); }
  .btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(109,40,217,0.25);
  }
  .btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(109,40,217,0.35);
  }
  .btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.6);
    color: #fff;
  }
  .btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
  }
  .btn-sm { padding: 7px 14px; font-size: 14px; }
  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--color-text);
    background: var(--color-bg);
  }
  .mobile-menu {
    display: none;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--color-divider);
    background: #fff;
  }
  .mobile-menu .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 14px;
  }
  .mobile-menu .nav-link { width: 100%; padding: 10px 12px; }
  .mobile-menu .nav-link.active::after { display: none; }
  .mobile-menu .btn { width: 100%; margin-top: 4px; }
  .mobile-search { margin-bottom: 12px; }
  .mobile-search input {
    width: 100%;
    height: 40px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-divider);
    background: var(--color-bg);
    padding: 0 14px;
    font-size: 14px;
  }
  .mobile-search input:focus {
    outline: none;
    border-color: var(--color-primary);
  }

  /* ===== 页面标题区 ===== */
  .page-hero {
    position: relative;
    padding: 64px 0 56px;
    background: linear-gradient(135deg, #1B1530 0%, #14111F 60%, #232036 100%);
    color: #fff;
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity: 0.25;
  }
  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(20,17,31,0.95) 0%, rgba(20,17,31,0.75) 100%);
  }
  .page-hero .container { position: relative; z-index: 2; }
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(243,244,246,0.7);
    margin-bottom: 18px;
  }
  .breadcrumb a { color: var(--color-accent); }
  .breadcrumb a:hover { color: #fff; }
  .breadcrumb .sep { color: rgba(243,244,246,0.4); }
  .page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .page-hero h1 .accent { color: var(--color-accent); }
  .page-hero-sub {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(243,244,246,0.85);
    max-width: 680px;
  }
  .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(163,230,53,0.15);
    color: var(--color-accent);
    border: 1px solid rgba(163,230,53,0.3);
  }
  .badge-light {
    background: rgba(255,255,255,0.1);
    color: rgba(243,244,246,0.9);
    border: 1px solid rgba(255,255,255,0.15);
  }

  /* ===== 通用区块 ===== */
  .section { padding: 80px 0; }
  .section-alt { background: #F0EDE8; }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
  }
  .section-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--color-text);
    position: relative;
    padding-left: 16px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 4px;
    background: var(--color-primary);
  }
  .section-title.light { color: #fff; }
  .section-title.light::before { background: var(--color-accent); }
  .section-desc {
    margin-top: 10px;
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 560px;
  }
  .section-desc.light { color: rgba(243,244,246,0.7); }
  .section-more {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
  }
  .section-more:hover {
    color: var(--color-primary-dark);
    gap: 10px;
  }

  /* ===== 分类入口卡片 ===== */
  .cat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .cat-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 28px 22px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  .cat-card::after {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(109,40,217,0.05);
    transition: var(--transition);
  }
  .cat-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }
  .cat-card:hover::after { background: rgba(109,40,217,0.12); }
  .cat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    background: rgba(109,40,217,0.08);
    color: var(--color-primary);
    transition: var(--transition);
  }
  .cat-card:hover .cat-card-icon {
    background: var(--color-primary);
    color: #fff;
  }
  .cat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
  .cat-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
  }
  .cat-card .card-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
  }

  /* ===== 热门攻略卡片 ===== */
  .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .guide-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }
  .guide-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--color-primary);
  }
  .guide-cover {
    position: relative;
    height: 190px;
    overflow: hidden;
  }
  .guide-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .guide-card:hover .guide-cover img { transform: scale(1.05); }
  .guide-cover-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  }
  .guide-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .guide-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 8px;
    transition: var(--transition);
  }
  .guide-card:hover .guide-body h3 { color: var(--color-primary); }
  .guide-body p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .guide-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--color-text-secondary);
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
  }
  .guide-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .guide-link i { transition: transform 0.2s ease; }
  .guide-link:hover i { transform: translateX(3px); }

  /* ===== 流程区 ===== */
  .steps-section {
    background: var(--color-bg-dark);
    color: #fff;
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .step-item {
    text-align: center;
    padding: 32px 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-card);
    transition: var(--transition);
  }
  .step-item:hover {
    background: rgba(255,255,255,0.07);
    transform: translateY(-3px);
  }
  .step-num {
    width: 44px;
    height: 44px;
    margin: 0 auto 16px;
    border-radius: 12px;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    font-weight: 800;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: #fff; }
  .step-item p {
    font-size: 14px;
    color: rgba(243,244,246,0.7);
    line-height: 1.7;
  }

  /* ===== 数据统计 ===== */
  .stats-section {
    background: var(--color-bg-dark);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 32px 0 56px;
  }
  .stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 48px 0 0;
  }
  .stat-block {
    text-align: center;
    padding: 20px;
    border-right: 1px solid rgba(255,255,255,0.08);
  }
  .stat-block:last-child { border-right: none; }
  .stat-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.2;
  }
  .stat-label {
    font-size: 14px;
    color: rgba(243,244,246,0.7);
    margin-top: 6px;
  }

  /* ===== FAQ ===== */
  .faq-wrap { max-width: 840px; margin: 0 auto; }
  .faq-item {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item:hover { border-color: var(--color-primary); }
  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    background: transparent;
    transition: var(--transition);
  }
  .faq-q:hover { background: rgba(109,40,217,0.03); }
  .faq-q .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    flex-shrink: 0;
  }
  .faq-q .faq-toggle {
    margin-left: auto;
    font-size: 15px;
    color: var(--color-text-secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  .faq-item.active .faq-toggle { transform: rotate(45deg); color: var(--color-primary); }
  .faq-a {
    display: none;
    padding: 0 20px 18px 62px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-secondary);
  }
  .faq-item.active .faq-a { display: block; }

  /* ===== CTA ===== */
  .cta-section {
    position: relative;
    padding: 72px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
    color: #fff;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(163,230,53,0.15);
    filter: blur(60px);
  }
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: rgba(109,40,217,0.4);
    filter: blur(60px);
  }
  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
  }
  .cta-inner h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
  }
  .cta-inner p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 28px;
    line-height: 1.7;
  }
  .cta-btns {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--color-bg-dark);
    color: rgba(243,244,246,0.7);
    padding: 56px 0 28px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
  }
  .footer-logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #fff;
  }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(243,244,246,0.6);
    max-width: 320px;
  }
  .footer-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
  }
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-link {
    font-size: 14px;
    color: rgba(243,244,246,0.65);
    transition: var(--transition);
  }
  .footer-link:hover { color: var(--color-accent); }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 24px;
    font-size: 13px;
    color: rgba(243,244,246,0.5);
    flex-wrap: wrap;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .guide-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-strip { grid-template-columns: repeat(2, 1fr); }
    .stat-block:nth-child(2) { border-right: none; }
    .stat-block:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.08); }
  }
  @media (max-width: 768px) {
    .header-actions { display: none; }
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .mobile-menu.open { display: block; }
    .container { padding-left: 16px; padding-right: 16px; }
    .page-hero h1 { font-size: 32px; }
    .section { padding: 56px 0; }
    .section-title { font-size: 24px; }
    .footer-top { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .section-head { flex-direction: column; align-items: flex-start; }
  }
  @media (max-width: 520px) {
    .cat-grid { grid-template-columns: 1fr; }
    .guide-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .stats-strip { grid-template-columns: 1fr; }
    .stat-block { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 14px; }
    .stat-block:last-child { border-bottom: none; }
    .cta-btns { flex-direction: column; width: 100%; }
    .cta-btns .btn { width: 100%; }
    .hero-badges { gap: 8px; }
    .faq-a { padding-left: 20px; }
  }

/* roulang page: article */
:root {
      --color-primary: #6D28D9;
      --color-primary-dark: #5B21B6;
      --color-accent: #A3E635;
      --color-accent-dark: #84CC16;
      --color-accent-ink: #1A2E05;
      --color-bg: #F7F5F2;
      --color-bg-light: #FBF9F7;
      --color-card: #FFFFFF;
      --color-bg-dark: #14111F;
      --color-bg-dark-2: #1E1A2E;
      --text-primary: #1F2937;
      --text-secondary: #6B7280;
      --text-muted: #9CA3AF;
      --text-light: #F3F4F6;
      --border-color: #E9E4DE;
      --border-light: #F1EAE3;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
      --transition: all 0.25s ease;
      --container: 1280px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--color-bg);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input {
      font-family: inherit;
    }

    ul,
    ol {
      padding-left: 1.5em;
    }

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

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 24px;
    }

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

    .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 17px;
      box-shadow: 0 2px 10px rgba(109, 40, 217, 0.25);
    }

    .logo {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: 0.5px;
    }

    .logo-accent {
      color: var(--color-primary);
    }

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

    .nav-link {
      padding: 8px 16px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-secondary);
      transition: var(--transition);
    }

    .nav-link:hover {
      color: var(--color-primary);
      background: rgba(109, 40, 217, 0.06);
    }

    .nav-link.active {
      color: var(--color-primary);
      background: rgba(109, 40, 217, 0.1);
      font-weight: 600;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .search-box {
      position: relative;
      width: 200px;
      transition: var(--transition);
    }

    .search-box input {
      width: 100%;
      height: 38px;
      border: 1px solid var(--border-color);
      border-radius: 999px;
      padding: 0 16px 0 38px;
      font-size: 14px;
      background: var(--color-bg);
      color: var(--text-primary);
      transition: var(--transition);
      outline: none;
    }

    .search-box input:focus {
      border-color: var(--color-primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
      width: 100%;
    }

    .search-box i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 13px;
      color: var(--text-muted);
      pointer-events: none;
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--color-accent);
      color: var(--color-accent-ink);
      border-radius: 999px;
      height: 38px;
      padding: 0 22px;
      font-size: 14px;
      font-weight: 700;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-cta:hover {
      background: var(--color-accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 4px 14px rgba(163, 230, 53, 0.4);
    }

    .btn-cta:active {
      transform: translateY(0);
    }

    .btn-cta:focus-visible {
      outline: 3px solid rgba(109, 40, 217, 0.4);
      outline-offset: 2px;
    }

    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-size: 18px;
      color: var(--text-primary);
      background: var(--color-bg);
      transition: var(--transition);
    }

    .menu-toggle:hover {
      background: var(--border-color);
    }

    .menu-toggle:focus-visible {
      outline: 3px solid rgba(109, 40, 217, 0.4);
    }

    /* ===== 移动端菜单 ===== */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 56px;
      left: 0;
      right: 0;
      z-index: 99;
      background: #fff;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
      padding: 20px;
      transform: translateY(-10px);
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }

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

    .mobile-nav-links {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 16px;
    }

    .mobile-nav-links a {
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 500;
      color: var(--text-primary);
      transition: var(--transition);
    }

    .mobile-nav-links a:hover {
      background: var(--color-bg);
      color: var(--color-primary);
    }

    .mobile-search {
      position: relative;
      margin-bottom: 12px;
    }

    .mobile-search input {
      width: 100%;
      height: 40px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 0 16px 0 38px;
      font-size: 14px;
      background: var(--color-bg);
      outline: none;
    }

    .mobile-search input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
    }

    .mobile-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 14px;
      color: var(--text-muted);
    }

    /* ===== 页面标题区 ===== */
    .page-header {
      background: linear-gradient(180deg, var(--color-bg) 0%, #fff 100%);
      border-bottom: 1px solid var(--border-light);
      padding: 56px 0 48px;
    }

    .page-header-inner {
      max-width: 860px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .breadcrumb a {
      color: var(--text-secondary);
      transition: var(--transition);
    }

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

    .breadcrumb .category {
      color: var(--color-primary);
      font-weight: 500;
    }

    .breadcrumb .current {
      color: var(--text-muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 260px;
    }

    .page-header h1 {
      font-size: 40px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(109, 40, 217, 0.08);
      color: var(--color-primary);
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 13px;
      font-weight: 600;
    }

    .badge i {
      font-size: 11px;
    }

    .meta-date {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .meta-date i {
      font-size: 13px;
    }

    /* ===== 文章正文区 ===== */
    .article-section {
      background: #ffffff;
      padding: 56px 0 72px;
    }

    .article-wrap {
      max-width: 800px;
      margin: 0 auto;
    }

    .article-cover {
      border-radius: var(--radius-xl);
      overflow: hidden;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
    }

    .article-cover img {
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .article-cover:hover img {
      transform: scale(1.008);
    }

    .article-body {
      font-size: 18px;
      line-height: 1.85;
      color: var(--text-primary);
    }

    .article-body p {
      margin-bottom: 1.5em;
    }

    .article-body h2 {
      font-size: 28px;
      font-weight: 700;
      line-height: 1.3;
      margin: 2em 0 0.8em;
      padding-left: 14px;
      border-left: 4px solid var(--color-primary);
    }

    .article-body h3 {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.4;
      margin: 1.8em 0 0.6em;
    }

    .article-body h4 {
      font-size: 18px;
      font-weight: 700;
      margin: 1.4em 0 0.5em;
    }

    .article-body ul,
    .article-body ol {
      margin-bottom: 1.5em;
      padding-left: 1.6em;
    }

    .article-body li {
      margin-bottom: 0.4em;
    }

    .article-body img {
      border-radius: var(--radius-md);
      margin: 1.5em 0;
      box-shadow: var(--shadow-sm);
    }

    .article-body blockquote {
      border-left: 4px solid var(--color-primary);
      background: var(--color-bg);
      padding: 18px 22px;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      font-style: normal;
      color: var(--text-secondary);
      margin-bottom: 1.5em;
    }

    .article-body blockquote p {
      margin-bottom: 0;
    }

    .article-body a {
      color: var(--color-primary);
      font-weight: 500;
      border-bottom: 1px solid rgba(109, 40, 217, 0.3);
      transition: var(--transition);
    }

    .article-body a:hover {
      color: var(--color-primary-dark);
      border-bottom-color: var(--color-primary);
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 1.5em;
      font-size: 15px;
    }

    .article-body table th,
    .article-body table td {
      border: 1px solid var(--border-color);
      padding: 10px 14px;
      text-align: left;
    }

    .article-body table th {
      background: var(--color-bg);
      font-weight: 600;
    }

    .article-body hr {
      border: none;
      border-top: 1px solid var(--border-color);
      margin: 2em 0;
    }

    .article-body code {
      background: var(--color-bg);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 2px 8px;
      font-size: 15px;
      font-family: ui-monospace, "SF Mono", Consolas, monospace;
    }

    /* 广告段落样式 */
    .article-body .highlight {
      background: linear-gradient(135deg, rgba(109, 40, 217, 0.06), rgba(163, 230, 53, 0.08));
      border-radius: var(--radius-md);
      padding: 22px 24px;
      border: 1px solid var(--border-light);
      margin-bottom: 1.5em;
    }

    /* ===== 文章导航 ===== */
    .article-nav {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 48px;
      padding-top: 32px;
      border-top: 1px solid var(--border-light);
    }

    .nav-btn {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 18px 22px;
      border-radius: var(--radius-lg);
      background: var(--color-bg);
      border: 1px solid var(--border-light);
      transition: var(--transition);
    }

    .nav-btn:hover {
      border-color: var(--color-primary);
      background: rgba(109, 40, 217, 0.03);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .nav-btn:focus-visible {
      outline: 3px solid rgba(109, 40, 217, 0.3);
      outline-offset: 2px;
    }

    .nav-btn i {
      color: var(--color-primary);
      font-size: 16px;
    }

    .nav-btn.next {
      justify-content: flex-end;
      text-align: right;
    }

    .nav-text {
      display: flex;
      flex-direction: column;
    }

    .nav-text small {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .nav-text strong {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
    }

    /* ===== 未找到 ===== */
    .not-found-card {
      text-align: center;
      padding: 80px 24px;
      background: var(--color-bg);
      border-radius: var(--radius-xl);
      border: 1px dashed var(--border-color);
    }

    .not-found-icon {
      width: 76px;
      height: 76px;
      margin: 0 auto 24px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(109, 40, 217, 0.1), rgba(163, 230, 53, 0.1));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      color: var(--color-primary);
    }

    .not-found-card h2 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .not-found-card p {
      color: var(--text-secondary);
      margin-bottom: 28px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-primary);
      color: #fff;
      border-radius: 999px;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      transition: var(--transition);
    }

    .btn-primary:hover {
      background: var(--color-primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(109, 40, 217, 0.3);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-primary:focus-visible {
      outline: 3px solid rgba(109, 40, 217, 0.4);
      outline-offset: 2px;
    }

    /* ===== 相关推荐 ===== */
    .related-section {
      background: var(--color-bg);
      padding: 80px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 36px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-primary);
      line-height: 1.3;
      position: relative;
      padding-left: 16px;
    }

    .section-head h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 28px;
      border-radius: 4px;
      background: var(--color-primary);
    }

    .section-head p {
      color: var(--text-secondary);
      font-size: 15px;
    }

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

    .related-card {
      background: var(--color-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .related-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(109, 40, 217, 0.2);
    }

    .related-card:focus-visible {
      outline: 3px solid rgba(109, 40, 217, 0.3);
      outline-offset: 2px;
    }

    .related-media {
      position: relative;
      overflow: hidden;
      height: 180px;
      background: linear-gradient(135deg, rgba(109, 40, 217, 0.1), rgba(163, 230, 53, 0.1));
    }

    .related-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .related-card:hover .related-media img {
      transform: scale(1.05);
    }

    .related-media .badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(255, 255, 255, 0.92);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .related-body {
      padding: 20px 22px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .related-body h3 {
      font-size: 19px;
      font-weight: 700;
      line-height: 1.4;
      color: var(--text-primary);
      margin-bottom: 8px;
      transition: var(--transition);
    }

    .related-card:hover .related-body h3 {
      color: var(--color-primary);
    }

    .related-body p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }

    .related-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-primary);
      transition: var(--transition);
    }

    .related-link i {
      font-size: 12px;
      transition: transform 0.2s ease;
    }

    .related-card:hover .related-link i {
      transform: translateX(4px);
    }

    /* ===== CTA 区 ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
      position: relative;
      overflow: hidden;
      padding: 72px 0;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(163, 230, 53, 0.2) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      left: 20%;
      bottom: -80px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.03);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .cta-content {
      max-width: 640px;
      margin-bottom: 32px;
    }

    .cta-content h2 {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-light);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .cta-content p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
    }

    .cta-form {
      display: flex;
      gap: 10px;
      width: 100%;
      max-width: 480px;
      margin-bottom: 20px;
    }

    .cta-form input {
      flex: 1;
      height: 48px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 0 18px;
      font-size: 14px;
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      outline: none;
      transition: var(--transition);
    }

    .cta-form input::placeholder {
      color: rgba(255, 255, 255, 0.5);
    }

    .cta-form input:focus {
      border-color: var(--color-accent);
      background: rgba(255, 255, 255, 0.14);
      box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
    }

    .btn-accent {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-accent);
      color: var(--color-accent-ink);
      border-radius: var(--radius-md);
      padding: 0 24px;
      height: 48px;
      font-size: 15px;
      font-weight: 700;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-accent:hover {
      background: var(--color-accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(163, 230, 53, 0.3);
    }

    .btn-accent:active {
      transform: translateY(0);
    }

    .btn-accent:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.5);
      outline-offset: 2px;
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: var(--radius-md);
      height: 44px;
      padding: 0 24px;
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      transition: var(--transition);
    }

    .btn-outline-light:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
      background: rgba(163, 230, 53, 0.08);
    }

    .btn-outline-light:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.4);
      outline-offset: 2px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-bg-dark);
      color: var(--text-light);
      padding-top: 64px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 15px;
    }

    .footer-brand p {
      color: rgba(255, 255, 255, 0.55);
      font-size: 14px;
      line-height: 1.7;
      max-width: 360px;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-link {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: var(--transition);
    }

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

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      padding: 24px 0 28px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.5);
    }

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

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .nav-links {
        display: none;
      }

      .header-actions {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .mobile-menu {
        display: block;
      }
    }

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

      .header-inner {
        height: 56px;
      }

      .logo {
        font-size: 18px;
      }

      .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
      }

      .page-header {
        padding: 36px 0 32px;
      }

      .page-header h1 {
        font-size: 26px;
        line-height: 1.35;
      }

      .breadcrumb {
        font-size: 13px;
        margin-bottom: 14px;
      }

      .article-section {
        padding: 40px 0 56px;
      }

      .article-wrap {
        padding: 0 4px;
      }

      .article-cover {
        border-radius: var(--radius-lg);
        margin-bottom: 28px;
      }

      .article-body {
        font-size: 16px;
        line-height: 1.8;
      }

      .article-body h2 {
        font-size: 23px;
      }

      .article-body h3 {
        font-size: 19px;
      }

      .article-nav {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .nav-btn.next {
        justify-content: flex-start;
        text-align: left;
      }

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

      .related-media {
        height: 160px;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 24px;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .cta-section {
        padding: 56px 0;
      }

      .cta-content h2 {
        font-size: 26px;
      }

      .cta-form {
        flex-direction: column;
        gap: 12px;
      }

      .cta-form input,
      .cta-form .btn-accent {
        width: 100%;
      }

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

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .breadcrumb .current {
        max-width: 160px;
      }

      .page-header h1 {
        font-size: 22px;
      }

      .article-meta {
        gap: 8px;
      }

      .badge {
        font-size: 12px;
        padding: 4px 10px;
      }

      .not-found-card {
        padding: 48px 20px;
      }

      .not-found-icon {
        width: 60px;
        height: 60px;
        font-size: 22px;
      }

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

    @media (max-width: 1024px) {
      .mobile-menu {
        top: 56px;
      }
    }

/* roulang page: category3 */
:root {
            --color-primary: #6D28D9;
            --color-primary-dark: #5B21B6;
            --color-accent: #A3E635;
            --color-accent-ink: #1A2E05;
            --color-bg: #F7F5F2;
            --color-card: #FFFFFF;
            --color-bg-dark: #14111F;
            --color-text: #1F2937;
            --color-text-secondary: #6B7280;
            --color-text-light: #F3F4F6;
            --color-border: #E9E4DE;
            --color-border-card: #F1EAE3;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
            --transition: all 0.25s ease;
            --container-max: 1280px;
        }

        /* reset & base */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:focus-visible {
            outline: 3px solid rgba(109, 40, 217, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid rgba(109, 40, 217, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 24px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            white-space: nowrap;
            line-height: 1.2;
        }
        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .header-logo .highlight {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: #4B5563;
            line-height: 1.4;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(109, 40, 217, 0.06);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(109, 40, 217, 0.10);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-wrap .fa-magnifying-glass {
            position: absolute;
            left: 12px;
            font-size: 14px;
            color: #9CA3AF;
            pointer-events: none;
        }
        .search-input {
            width: 200px;
            height: 38px;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0 16px 0 36px;
            font-size: 14px;
            background: #fff;
            transition: all 0.3s ease;
            outline: none;
        }
        .search-input:focus {
            width: 260px;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.12);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 38px;
            padding: 0 18px;
            background: var(--color-accent);
            color: var(--color-accent-ink);
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: #8FCE2D;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(163, 230, 53, 0.4);
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            background: #fff;
        }

        /* mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100dvh;
            background: #fff;
            z-index: 200;
            padding: 80px 24px 30px;
            flex-direction: column;
            gap: 4px;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
            transition: right 0.3s ease;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
            display: flex;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 150;
        }
        .drawer-overlay.open {
            display: block;
        }
        .mobile-drawer .nav-links {
            flex-direction: column;
            align-items: stretch;
        }
        .mobile-drawer .nav-links a {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 16px;
            border-bottom: 1px solid #F3F4F6;
        }
        .mobile-drawer .nav-links a.active {
            background: rgba(109, 40, 217, 0.10);
            color: var(--color-primary);
        }
        .mobile-drawer .search-wrap {
            margin-bottom: 16px;
        }
        .mobile-drawer .search-input {
            width: 100%;
        }
        .mobile-drawer .search-input:focus {
            width: 100%;
        }
        .mobile-drawer .header-cta {
            justify-content: center;
            margin-top: 8px;
        }

        /* ===== Page Hero (category title area) ===== */
        .page-hero {
            background: linear-gradient(135deg, #14111F 0%, #221A3D 45%, #3B2A6B 100%);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .page-hero .badge-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(163, 230, 53, 0.15);
            color: var(--color-accent);
            border: 1px solid rgba(163, 230, 53, 0.35);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .page-hero h1 .accent {
            color: var(--color-accent);
        }
        .page-hero .sub-title {
            color: rgba(243, 244, 246, 0.85);
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 28px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #E5E7EB;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
        }
        .hero-tag i {
            color: var(--color-accent);
        }
        .page-hero .breadcrumb {
            margin-top: 30px;
            font-size: 13px;
            color: rgba(243, 244, 246, 0.6);
            display: flex;
            justify-content: center;
            gap: 8px;
        }
        .page-hero .breadcrumb a {
            color: rgba(243, 244, 246, 0.75);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .page-hero .breadcrumb .sep {
            opacity: 0.5;
        }

        /* ===== Section spacing ===== */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: #FDFCFA;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-dark {
            background: var(--color-bg-dark);
        }
        .section-heading {
            margin-bottom: 48px;
        }
        .section-heading.center {
            text-align: center;
        }
        .section-heading h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            position: relative;
            padding-left: 16px;
            color: var(--color-text);
        }
        .section-heading.center h2 {
            padding-left: 0;
            display: inline-block;
        }
        .section-heading.center h2::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 10px;
            bottom: 10px;
            width: 4px;
            background: var(--color-primary);
            border-radius: 4px;
        }
        .section-heading.center h2::before {
            left: auto;
            top: auto;
            bottom: -6px;
            width: 40px;
            height: 4px;
            left: 50%;
            transform: translateX(-50%);
        }
        .section-heading h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 4px;
            background: var(--color-primary);
            border-radius: 4px;
        }
        .section-heading .sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-top: 12px;
            max-width: 680px;
        }
        .section-heading.center .sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Reward Cards ===== */
        .reward-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .reward-card {
            background: var(--color-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .reward-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.25);
        }
        .reward-card-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .reward-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .reward-card:hover .reward-card-cover img {
            transform: scale(1.04);
        }
        .reward-card-cover .tag-float {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20, 17, 31, 0.78);
            color: var(--color-accent);
            border-radius: var(--radius-badge);
            padding: 5px 12px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(163, 230, 53, 0.25);
        }
        .reward-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .reward-card-body .meta-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .reward-card-body .meta-row .badge {
            background: rgba(109, 40, 217, 0.08);
            color: var(--color-primary);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-weight: 600;
            font-size: 12px;
        }
        .reward-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .reward-card-body p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .reward-card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid #F3F4F6;
        }
        .reward-card-footer .time {
            font-size: 13px;
            color: #9CA3AF;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .reward-card-footer .cta-link {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }
        .reward-card-footer .cta-link:hover {
            color: var(--color-primary-dark);
            gap: 8px;
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }
        .stat-item {
            text-align: center;
            padding: 30px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(163, 230, 53, 0.3);
        }
        .stat-item .num {
            font-size: 34px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .stat-item .label {
            color: rgba(243, 244, 246, 0.7);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ===== Flow / Steps ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .flow-step {
            position: relative;
            background: var(--color-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            padding: 28px 22px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .flow-step::after {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 16px;
            right: 18px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(109, 40, 217, 0.12);
            line-height: 1;
        }
        .flow-step .step-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            margin-bottom: 16px;
        }
        .flow-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .flow-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Scenarios ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: #fff;
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-card .card-img {
            height: 160px;
            overflow: hidden;
        }
        .scenario-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scenario-card:hover .card-img img {
            transform: scale(1.05);
        }
        .scenario-card .card-content {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scenario-card .card-content h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .scenario-card .card-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .scenario-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 14px;
            margin-top: 14px;
        }
        .scenario-card .card-link:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #7C3AED 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(163, 230, 53, 0.15);
            border-radius: 50%;
            filter: blur(80px);
            top: -100px;
            right: -50px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(163, 230, 53, 0.12);
            border-radius: 50%;
            filter: blur(60px);
            bottom: -60px;
            left: 10%;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-left {
            flex: 1;
            min-width: 280px;
        }
        .cta-left h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-left h2 .accent {
            color: var(--color-accent);
        }
        .cta-left p {
            color: rgba(243, 244, 246, 0.85);
            font-size: 16px;
            max-width: 520px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-accent-ink);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(163, 230, 53, 0.3);
        }
        .btn-accent:hover {
            background: #8FCE2D;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(163, 230, 53, 0.45);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 24px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            padding: 0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(109, 40, 217, 0.25);
        }
        .faq-item[open] {
            border-color: rgba(109, 40, 217, 0.35);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: background 0.25s ease;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: rgba(109, 40, 217, 0.03);
        }
        .faq-item summary .q-icon {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            color: var(--color-accent-ink);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            margin-left: -6px;
        }
        .faq-item summary .arrow {
            margin-left: auto;
            color: var(--color-text-secondary);
            transition: transform 0.25s ease;
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item[open] summary .arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px 66px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(243, 244, 246, 0.8);
            padding: 56px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }
        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(243, 244, 246, 0.55);
            margin-top: 14px;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-link {
            color: rgba(243, 244, 246, 0.55);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-link:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(243, 244, 246, 0.4);
        }
        .footer-bottom .copyright {
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .reward-grid,
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links,
            .header-actions .search-wrap,
            .header-actions .header-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .page-hero {
                padding: 60px 0 52px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .section {
                padding: 64px 0;
            }
            .section-heading h2 {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .reward-grid,
            .scenario-grid,
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .header-logo {
                font-size: 17px;
            }
            .stat-item .num {
                font-size: 28px;
            }
            .cta-left h2 {
                font-size: 24px;
            }
            .btn-accent,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
      --color-primary: #6D28D9;
      --color-primary-dark: #5B21B6;
      --color-accent: #A3E635;
      --color-accent-ink: #1A2E05;
      --color-bg: #F7F5F2;
      --color-card: #FFFFFF;
      --color-bg-dark: #14111F;
      --color-text: #1F2937;
      --color-text-secondary: #6B7280;
      --color-text-light: #F3F4F6;
      --color-border: #E9E4DE;
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-badge: 8px;
      --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.10);
      --transition: all 0.25s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input {
      font-family: inherit;
      border: none;
      outline: none;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header */
    .site-header {
      background: #fff;
      border-bottom: 1px solid #F1EAE3;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 64px;
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 22px;
      color: var(--color-text);
      white-space: nowrap;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-accent);
      font-size: 16px;
    }

    .logo span {
      line-height: 1.2;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-link {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: #4B5563;
      border-radius: 10px;
      transition: var(--transition);
      position: relative;
    }

    .nav-link:hover {
      color: var(--color-primary);
      background: rgba(109, 40, 217, 0.06);
    }

    .nav-link.active {
      color: var(--color-primary);
      background: rgba(109, 40, 217, 0.08);
      font-weight: 700;
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 2px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--color-accent);
      border-radius: 2px;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      position: relative;
      display: flex;
      align-items: center;
    }

    .search-box input {
      width: 200px;
      height: 38px;
      border: 1px solid var(--color-border);
      border-radius: 20px;
      padding: 0 14px 0 36px;
      font-size: 14px;
      background: #F9F8F6;
      transition: var(--transition);
    }

    .search-box input:focus {
      width: 260px;
      border-color: var(--color-primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.12);
    }

    .search-box i {
      position: absolute;
      left: 13px;
      font-size: 13px;
      color: #9CA3AF;
      pointer-events: none;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 700;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.5);
      outline-offset: 2px;
    }

    .btn-accent {
      background: var(--color-accent);
      color: var(--color-accent-ink);
    }

    .btn-accent:hover {
      background: #8FDE2B;
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(163, 230, 53, 0.3);
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--color-primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(109, 40, 217, 0.25);
    }

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

    .btn-outline-light:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }

    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      background: #F3F4F6;
      border-radius: 10px;
      font-size: 18px;
      color: var(--color-text);
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .mobile-menu {
      display: none;
      background: #fff;
      border-top: 1px solid var(--color-border);
      padding: 16px 24px;
      flex-direction: column;
      gap: 8px;
    }

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

    .mobile-menu .nav-link {
      width: 100%;
      text-align: left;
      padding: 10px 14px;
    }

    .mobile-menu .search-box input {
      width: 100%;
    }

    /* Page Title Area */
    .page-title-area {
      background: linear-gradient(180deg, #fff, var(--color-bg));
      padding: 48px 0 32px;
      border-bottom: 1px solid var(--color-border);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-text-secondary);
      margin-bottom: 16px;
    }

    .breadcrumb a {
      color: var(--color-primary);
      font-weight: 500;
    }

    .breadcrumb i {
      font-size: 11px;
      color: #BBB5AE;
    }

    .page-title-area h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.2;
      color: var(--color-text);
      margin-bottom: 8px;
    }

    .page-title-area h1 span {
      color: var(--color-primary);
    }

    .page-subtitle {
      font-size: 16px;
      color: var(--color-text-secondary);
      max-width: 640px;
    }

    /* Hero */
    .benefit-hero {
      position: relative;
      background: var(--color-bg-dark);
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      border-radius: 20px;
      margin: 40px 24px 0;
      padding: 72px 64px;
      overflow: hidden;
      isolation: isolate;
    }

    .benefit-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(20, 17, 31, 0.92) 30%, rgba(91, 33, 182, 0.55) 80%);
      z-index: -1;
    }

    .benefit-hero::after {
      content: "";
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(163, 230, 53, 0.22), transparent 70%);
      right: -80px;
      bottom: -80px;
      z-index: 0;
      pointer-events: none;
    }

    .benefit-hero .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }

    .benefit-hero .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(163, 230, 53, 0.15);
      color: var(--color-accent);
      border: 1px solid rgba(163, 230, 53, 0.35);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .benefit-hero h2 {
      font-size: 40px;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    .benefit-hero h2 em {
      font-style: normal;
      color: var(--color-accent);
    }

    .benefit-hero p {
      color: #D6D3E0;
      font-size: 17px;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

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

    .section-light {
      background: #fff;
    }

    .section-dark {
      background: var(--color-bg-dark);
      color: #fff;
    }

    .section-header {
      margin-bottom: 40px;
      max-width: 640px;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 12px;
      padding-left: 16px;
      position: relative;
      color: var(--color-text);
    }

    .section-header h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 4px;
      background: var(--color-primary);
    }

    .section-header p {
      color: var(--color-text-secondary);
      font-size: 16px;
    }

    .section-dark .section-header h2 {
      color: #fff;
    }

    .section-dark .section-header p {
      color: #A0A0AD;
    }

    /* Benefit Types */
    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .benefit-card {
      background: var(--color-card);
      border: 1px solid #F1EAE3;
      border-radius: var(--radius-card);
      padding: 32px 24px 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .benefit-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(109, 40, 217, 0.07), transparent 70%);
      border-radius: 0 0 0 80px;
    }

    .benefit-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109, 40, 217, 0.3);
    }

    .benefit-icon {
      width: 52px;
      height: 52px;
      background: rgba(109, 40, 217, 0.1);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-size: 20px;
      margin-bottom: 20px;
    }

    .benefit-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--color-text);
    }

    .benefit-card p {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    .benefit-card .benefit-tag {
      display: inline-block;
      background: rgba(163, 230, 53, 0.25);
      color: var(--color-accent-ink);
      border-radius: var(--radius-badge);
      font-size: 12px;
      font-weight: 700;
      padding: 2px 10px;
      margin-top: 14px;
    }

    /* Steps */
    .steps-section {
      background: var(--color-bg);
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
    }

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

    .step-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 32px 24px;
      box-shadow: var(--shadow-card);
      border: 1px solid #F1EAE3;
      position: relative;
    }

    .step-card::before {
      counter-increment: step;
      content: counter(step, decimal-leading-zero);
      font-size: 36px;
      font-weight: 800;
      color: rgba(109, 40, 217, 0.18);
      display: block;
      line-height: 1;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text);
    }

    .step-card p {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    /* Hot Benefits */
    .hot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .hot-card {
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid #F1EAE3;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .hot-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .hot-card .hot-cover {
      position: relative;
      height: 180px;
      overflow: hidden;
    }

    .hot-card .hot-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .hot-card:hover .hot-cover img {
      transform: scale(1.04);
    }

    .hot-card .hot-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--color-accent);
      color: var(--color-accent-ink);
      font-size: 12px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }

    .hot-card .hot-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .hot-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text);
    }

    .hot-card p {
      font-size: 14px;
      color: var(--color-text-secondary);
      flex: 1;
      line-height: 1.7;
    }

    .hot-card .hot-meta {
      margin-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #9CA3AF;
      border-top: 1px solid #F5F1EC;
      padding-top: 14px;
    }

    .hot-card .hot-meta a {
      color: var(--color-primary);
      font-weight: 600;
      transition: var(--transition);
    }

    .hot-card .hot-meta a:hover {
      color: var(--color-primary-dark);
    }

    /* Stats */
    .stats-section {
      background: var(--color-bg-dark);
      background-image: url('/assets/images/backpic/back-3.webp');
      background-size: cover;
      background-position: center;
      position: relative;
      isolation: isolate;
    }

    .stats-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(20, 17, 31, 0.88);
      z-index: -1;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
    }

    .stat-item {
      text-align: center;
      padding: 24px 16px;
      border-right: 1px solid rgba(255, 255, 255, 0.08);
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-num {
      font-size: 40px;
      font-weight: 800;
      color: var(--color-accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .stat-label {
      color: #BBB6C8;
      font-size: 14px;
    }

    /* FAQ */
    .faq-section {
      background: #fff;
    }

    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }

    .faq-container .section-header {
      margin-bottom: 36px;
      text-align: center;
      max-width: none;
    }

    .faq-container .section-header h2 {
      padding-left: 0;
      display: inline-block;
    }

    .faq-container .section-header h2::before {
      display: none;
    }

    .faq-item {
      background: var(--color-bg);
      border: 1px solid #F1EAE3;
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 18px 22px;
      background: transparent;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      cursor: pointer;
      transition: var(--transition);
    }

    .faq-question:hover {
      background: rgba(109, 40, 217, 0.03);
    }

    .faq-q-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-accent);
      color: var(--color-accent-ink);
      font-size: 13px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .faq-arrow {
      margin-left: auto;
      font-size: 12px;
      color: #9CA3AF;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer-inner {
      padding: 0 22px 20px 64px;
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.75;
    }

    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      padding: 72px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(163, 230, 53, 0.2), transparent 70%);
      top: -60px;
      left: 10%;
    }

    .cta-inner {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .cta-inner h2 {
      font-size: 34px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }

    .cta-inner p {
      color: #DDD6EE;
      font-size: 16px;
      max-width: 520px;
      margin: 0 auto 32px;
    }

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

    /* Footer */
    .site-footer {
      background: var(--color-bg-dark);
      color: #B7B2C4;
      padding: 64px 0 24px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-logo-icon {
      width: 34px;
      height: 34px;
      background: var(--color-primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-accent);
      font-size: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.75;
      color: #8B8696;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.02em;
    }

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

    .footer-link {
      font-size: 14px;
      color: #9C97A8;
      transition: var(--transition);
    }

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

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #777183;
      flex-wrap: wrap;
      gap: 8px;
    }

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

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

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

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }

      .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      }

      .nav-links {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .mobile-menu {
        display: none;
      }

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

      .search-box {
        display: none;
      }

      .benefit-hero {
        padding: 48px 32px;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: 56px;
      }

      .logo {
        font-size: 18px;
      }

      .header-inner {
        padding: 0 16px;
      }

      .btn-header {
        display: none;
      }

      .page-title-area {
        padding: 32px 0 24px;
      }

      .page-title-area h1 {
        font-size: 32px;
      }

      .benefit-hero {
        margin: 24px 16px 0;
        padding: 40px 24px;
        border-radius: 16px;
      }

      .benefit-hero h2 {
        font-size: 28px;
      }

      .benefit-hero p {
        font-size: 15px;
      }

      .section {
        padding: 56px 0;
      }

      .section-header h2 {
        font-size: 24px;
      }

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

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

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

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

      .stat-num {
        font-size: 32px;
      }

      .cta-inner h2 {
        font-size: 26px;
      }

      .cta-actions {
        flex-direction: column;
        align-items: center;
      }

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

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

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

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

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

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

      .faq-answer-inner {
        padding: 0 16px 18px 48px;
      }

      .page-subtitle {
        font-size: 14px;
      }
    }