/* roulang page: index */
:root {
  --primary: #1F4E3D;
  --primary-deep: #142B22;
  --primary-soft: #2D6653;
  --accent: #C9A86A;
  --accent-soft: #E8D9B8;
  --bg: #F7F5F1;
  --bg-card: #FFFFFF;
  --bg-panel: #162720;
  --text: #223029;
  --text-sub: #6B7A73;
  --border: #E7E2D8;
  --danger: #C7553D;
  --success: #2D8A5E;
  --radius-card: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 12px rgba(31,78,61,0.06);
  --shadow-hover: 0 8px 30px rgba(31,78,61,0.12);
  --container: 1200px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-gold {
  background: var(--accent);
  color: var(--primary-deep);
  box-shadow: 0 4px 16px rgba(201,168,106,0.25);
}

.btn-gold:hover {
  background: #B8944E;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,106,0.35);
}

.btn-gold:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(31,78,61,0.2);
}

.btn-primary:hover {
  background: var(--primary-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31,78,61,0.3);
}

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(31,78,61,0.06);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid rgba(255,255,255,0.45);
  color: #fff;
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-sm {
  padding: 8px 22px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn:focus-visible {
  outline: 2px solid rgba(201,168,106,0.4);
  outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary-deep);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  height: 80px;
  gap: 32px;
}

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

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(201,168,106,0.08);
  letter-spacing: 0;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav-link .nav-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: background 0.25s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(201,168,106,0.12);
}

.nav-link.active .nav-icon {
  background: rgba(201,168,106,0.2);
  color: var(--accent);
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.14);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(120deg, var(--primary-deep) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0 78px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-image: repeating-linear-gradient(90deg, transparent 0 40px, rgba(201,168,106,0.05) 40px 41px),
                    repeating-linear-gradient(0deg, transparent 0 40px, rgba(201,168,106,0.05) 40px 41px);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,106,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(201,168,106,0.12);
  border: 1px solid rgba(201,168,106,0.35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.25;
  color: #fff;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  max-width: 420px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-item strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-family: "Inter", "SF Pro Display", sans-serif;
}

.stat-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

.hero-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(201,168,106,0.35);
  box-shadow: 0 20px 60px rgba(0,0,0,0.28);
}

.hero-visual img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,43,34,0.05) 0%, rgba(20,43,34,0.2) 100%);
  pointer-events: none;
}

/* ===== Section ===== */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 10px;
}

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

/* ===== Compare ===== */
.compare {
  padding: 96px 0;
  background: var(--bg);
}

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

.compare-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 36px 30px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.compare-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201,168,106,0.4);
}

.compare-card.featured {
  border-color: rgba(201,168,106,0.6);
  box-shadow: 0 8px 30px rgba(201,168,106,0.12);
  background: linear-gradient(180deg, #fff 0%, rgba(232,217,184,0.18) 100%);
}

.compare-card__badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--accent);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.compare-card__head {
  text-align: center;
  margin-bottom: 26px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.compare-card__head h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.compare-card__head p {
  font-size: 14px;
  color: var(--text-sub);
}

.compare-card ul {
  flex: 1;
  margin-bottom: 28px;
}

.compare-card ul li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}

.compare-card ul li:last-child {
  border-bottom: none;
}

.compare-card ul li i {
  width: 20px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.compare-card ul li .fa-check {
  color: var(--success);
}

.compare-card.featured ul li .fa-check {
  color: var(--accent);
}

.compare-card ul li .fa-xmark {
  color: #B9C0BB;
}

.compare-card .btn {
  width: 100%;
}

/* ===== Highlights ===== */
.highlights {
  padding: 96px 0;
  background: var(--bg-card);
}

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

.highlight-card {
  border-radius: var(--radius-card);
  padding: 40px 36px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.highlight-card.light {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.highlight-card.dark {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
  border: 1px solid transparent;
  color: #fff;
}

.highlight-card.dark:hover {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-soft) 100%);
  box-shadow: 0 8px 30px rgba(20,43,34,0.35);
}

.highlight-num {
  font-size: 40px;
  font-weight: 300;
  color: var(--accent);
  font-family: "Inter", "SF Pro Display", sans-serif;
  line-height: 1;
  display: block;
  margin-bottom: 20px;
}

.highlight-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 22px;
  background: var(--accent-soft);
  color: var(--primary);
}

.highlight-card.dark .highlight-icon {
  background: rgba(201,168,106,0.18);
  color: var(--accent);
}

.highlight-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.highlight-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
  max-width: 360px;
}

.highlight-card.dark p {
  color: rgba(255,255,255,0.6);
}

/* ===== VIP Preview ===== */
.vip-preview {
  padding: 96px 0;
  background: var(--bg);
}

.preview-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.preview-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}

.preview-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.preview-list h2 {
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.preview-list > p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 28px;
}

.preview-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.preview-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.preview-item:hover {
  border-color: rgba(201,168,106,0.5);
  box-shadow: var(--shadow-card);
}

.preview-item i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-sub);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
  flex-shrink: 0;
}

.preview-item:hover i {
  background: rgba(201,168,106,0.15);
  color: var(--accent);
  transform: scale(1.05);
}

.preview-item__info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.preview-item__info strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-item__info span {
  font-size: 12px;
  color: var(--text-sub);
}

.preview-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  padding: 8px 0;
}

.preview-more i {
  font-size: 12px;
  transition: transform 0.25s ease;
}

.preview-more:hover i {
  transform: translateX(4px);
}

/* ===== News ===== */
.news {
  padding: 96px 0;
  background: var(--bg-card);
}

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

.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201,168,106,0.4);
}

.news-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-card__thumb {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg);
}

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

.news-card:hover .news-card__thumb img {
  transform: scale(1.03);
}

.news-card__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(201,168,106,0.1);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.news-card__body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.news-card:hover .news-card__body h3 {
  color: var(--accent);
}

.news-card__body p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__meta {
  margin-top: auto;
  font-size: 12px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
}

.news-empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-sub);
  background: var(--bg);
}

.news-empty i {
  font-size: 42px;
  color: var(--accent);
}

.news-empty p {
  font-size: 15px;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  transition: color 0.25s ease, background 0.25s ease;
  position: relative;
}

.faq-question::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.faq-question .faq-text {
  flex: 1;
}

.faq-question i {
  font-size: 14px;
  color: var(--text-sub);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-question:hover {
  background: rgba(247,245,241,0.6);
  color: var(--primary);
}

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

.faq-item.active .faq-question i {
  transform: rotate(45deg);
  color: var(--accent);
}

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

.faq-answer p {
  padding: 2px 24px 20px 56px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  background: var(--bg);
}

/* ===== CTA Banner ===== */
.cta-banner {
  padding: 96px 0;
  background: var(--bg);
}

.cta-inner {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
  border-radius: 24px;
  padding: 60px 56px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: 0.08;
  mix-blend-mode: overlay;
  pointer-events: none;
}

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

.cta-copy h2 {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.cta-copy p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
}

.cta-action {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.cta-note {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-nav h4,
.footer-contact h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-nav a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  padding: 5px 0;
}

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

.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
}

.footer-bottom a {
  color: rgba(255,255,255,0.55);
}

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

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

  .hero h1 {
    font-size: 36px;
  }

  .hero-visual img {
    height: 280px;
  }

  .compare-grid {
    gap: 16px;
  }

  .compare-card {
    padding: 28px 20px;
  }

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

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

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

  .nav-container {
    gap: 16px;
  }

  .nav-link {
    padding: 8px 12px;
  }

  .nav-link .nav-icon {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-header {
    position: sticky;
  }

  .nav-container {
    height: 64px;
    gap: 12px;
  }

  .brand-text {
    font-size: 17px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--primary-deep);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    gap: 4px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 14px;
    font-size: 15px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .hero {
    padding: 56px 0 60px;
  }

  .hero h1 {
    font-size: 28px;
    line-height: 1.3;
  }

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

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .stat-item strong {
    font-size: 22px;
  }

  .hero-visual img {
    height: 220px;
  }

  .section-head {
    margin-bottom: 32px;
  }

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

  .compare,
  .highlights,
  .vip-preview,
  .news,
  .faq,
  .cta-banner {
    padding: 64px 0;
  }

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

  .compare-card {
    padding: 28px 24px;
  }

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

  .highlight-card {
    padding: 32px 24px;
  }

  .highlight-card.dark + .highlight-card.dark {
    margin-top: 0;
  }

  .preview-media img {
    height: 220px;
  }

  .preview-list h2 {
    font-size: 24px;
  }

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

  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }

  .faq-answer p {
    padding-left: 18px;
  }

  .cta-inner {
    flex-direction: column;
    padding: 40px 28px;
    text-align: center;
    gap: 24px;
    align-items: center;
  }

  .cta-copy h2 {
    font-size: 22px;
  }

  .cta-action {
    align-items: center;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .compare-card {
    padding: 24px 18px;
  }

  .compare-card__head h3 {
    font-size: 20px;
  }
}

/* roulang page: category1 */
:root {
      --primary: #1F4E3D;
      --primary-deep: #142B22;
      --primary-soft: #2D6653;
      --accent: #C9A86A;
      --accent-soft: #E8D9B8;
      --bg: #F7F5F1;
      --bg-card: #FFFFFF;
      --bg-panel: #162720;
      --text: #223029;
      --text-sub: #6B7A73;
      --border: #E7E2D8;
      --danger: #C7553D;
      --success: #2D8A5E;
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --shadow-card: 0 2px 12px rgba(31, 78, 61, 0.06);
      --shadow-hover: 0 8px 30px rgba(31, 78, 61, 0.12);
      --shadow-panel: 0 6px 24px rgba(0, 0, 0, 0.25);
      --transition: all 0.3s ease;
      --container: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

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

    .site-header {
      position: fixed;
      top: 16px;
      left: 16px;
      right: 16px;
      z-index: 1000;
      background: rgba(20, 43, 34, 0.92);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-panel);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px;
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
      gap: 20px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      text-decoration: none;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      border: 1px solid rgba(201, 168, 106, 0.7);
      background: rgba(201, 168, 106, 0.12);
      color: var(--accent);
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      letter-spacing: 0.02em;
      font-family: "Inter", "SF Pro Display", sans-serif;
    }

    .brand-text {
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.02em;
      position: relative;
    }

    .brand-text::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
      opacity: 0.7;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      justify-content: center;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: var(--radius-md);
      color: rgba(255, 255, 255, 0.75);
      font-size: 14px;
      font-weight: 500;
      transition: var(--transition);
      text-decoration: none;
      white-space: nowrap;
    }

    .nav-link .nav-icon {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      transition: var(--transition);
    }

    .nav-link:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-link.active {
      color: var(--accent);
      background: rgba(201, 168, 106, 0.1);
    }

    .nav-link.active .nav-icon {
      background: rgba(201, 168, 106, 0.2);
      color: var(--accent);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: none;
      cursor: pointer;
      font-family: inherit;
      font-size: 15px;
      font-weight: 600;
      transition: var(--transition);
      text-decoration: none;
      border-radius: var(--radius-md);
      line-height: 1;
    }

    .btn-gold {
      background: var(--accent);
      color: var(--primary-deep);
      padding: 0 24px;
      height: 40px;
      min-width: 112px;
    }

    .btn-gold:hover {
      background: #B8944E;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(201, 168, 106, 0.35);
    }

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

    .btn-outline {
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 0 24px;
      height: 40px;
    }

    .btn-outline:hover {
      background: rgba(31, 78, 61, 0.06);
    }

    .btn-white-outline {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: #FFFFFF;
      padding: 0 24px;
      height: 40px;
    }

    .btn-white-outline:hover {
      background: rgba(255, 255, 255, 0.18);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: #FFFFFF;
      font-size: 22px;
      cursor: pointer;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-md);
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 96px;
      left: 16px;
      right: 16px;
      background: var(--primary-deep);
      border-radius: var(--radius-lg);
      padding: 20px;
      flex-direction: column;
      gap: 8px;
      z-index: 999;
      box-shadow: var(--shadow-panel);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .mobile-menu .nav-link {
      padding: 12px;
      border-radius: var(--radius-md);
      color: rgba(255, 255, 255, 0.85);
      font-size: 15px;
    }

    .mobile-menu .nav-link .nav-icon {
      background: rgba(255, 255, 255, 0.08);
    }

    .mobile-menu .nav-link.active {
      color: var(--accent);
      background: rgba(201, 168, 106, 0.12);
    }

    .mobile-menu .btn {
      width: 100%;
      margin-top: 12px;
    }

    /* Hero */
    .page-hero {
      position: relative;
      background: linear-gradient(120deg, var(--primary-deep) 0%, var(--primary) 70%, var(--primary-soft) 100%);
      padding: 180px 0 100px;
      overflow: hidden;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 60%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      z-index: 0;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -60px;
      left: -60px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(201, 168, 106, 0.12) 0%, transparent 70%);
      z-index: 0;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(201, 168, 106, 0.15);
      border: 1px solid rgba(201, 168, 106, 0.3);
      color: var(--accent);
      padding: 6px 16px;
      border-radius: 24px;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.02em;
      margin-bottom: 24px;
    }

    .page-hero h1 {
      font-size: 42px;
      font-weight: 700;
      line-height: 1.25;
      color: #FFFFFF;
      margin-bottom: 20px;
      letter-spacing: -0.01em;
    }

    .page-hero h1 span {
      color: var(--accent);
    }

    .hero-desc {
      font-size: 17px;
      line-height: 1.75;
      color: rgba(255, 255, 255, 0.75);
      margin-bottom: 36px;
      max-width: 560px;
    }

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

    .hero-features {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
      max-width: 720px;
    }

    .hero-feature {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      backdrop-filter: none;
    }

    .hero-feature i {
      color: var(--accent);
      font-size: 20px;
      margin-bottom: 8px;
    }

    .hero-feature p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 13px;
      line-height: 1.5;
    }

    /* Breadcrumb */
    .breadcrumb-wrap {
      padding: 24px 0 0;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
    }

    .breadcrumb a {
      color: var(--text-sub);
      text-decoration: none;
    }

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

    .breadcrumb .sep {
      color: var(--border);
    }

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

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

    .section-header {
      margin-bottom: 48px;
    }

    .section-header .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-bottom: 12px;
      background: rgba(201, 168, 106, 0.1);
      padding: 4px 12px;
      border-radius: 20px;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 600;
      line-height: 1.35;
      color: var(--text);
      letter-spacing: -0.01em;
    }

    .section-header .section-sub {
      font-size: 16px;
      color: var(--text-sub);
      margin-top: 10px;
      max-width: 560px;
    }

    .section-header.light h2 {
      color: #FFFFFF;
    }

    .section-header.light .section-sub {
      color: rgba(255, 255, 255, 0.65);
    }

    /* Content layout */
    .content-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .main-content {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
    }

    .main-content h2 {
      font-size: 24px;
      font-weight: 600;
      margin-bottom: 20px;
      color: var(--primary);
      position: relative;
      padding-bottom: 12px;
    }

    .main-content h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 48px;
      height: 3px;
      background: var(--accent);
      border-radius: 3px;
    }

    .main-content h3 {
      font-size: 19px;
      font-weight: 600;
      margin: 28px 0 14px;
      color: var(--text);
    }

    .main-content p {
      font-size: 15.5px;
      line-height: 1.8;
      color: var(--text);
      margin-bottom: 18px;
    }

    .main-content ul {
      margin: 12px 0 20px;
      padding: 0;
    }

    .main-content ul li {
      position: relative;
      padding-left: 22px;
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 8px;
      color: var(--text);
    }

    .main-content ul li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--accent);
      font-weight: 700;
    }

    .intro-card {
      background: linear-gradient(135deg, rgba(201, 168, 106, 0.08) 0%, rgba(31, 78, 61, 0.03) 100%);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 28px;
    }

    .intro-card p {
      margin-bottom: 0;
    }

    .intro-card strong {
      color: var(--primary);
    }

    /* Sidebar card */
    .sidebar-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      margin-bottom: 24px;
    }

    .sidebar-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .sidebar-card h3::after {
      display: none;
    }

    .sidebar-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border);
    }

    .sidebar-list li:last-child {
      border-bottom: none;
    }

    .sidebar-list .icon {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-md);
      background: rgba(201, 168, 106, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      color: var(--accent);
      font-size: 14px;
    }

    .sidebar-list li strong {
      display: block;
      font-size: 15px;
      color: var(--text);
      margin-bottom: 2px;
    }

    .sidebar-list li span {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
    }

    .cta-box {
      background: var(--primary-deep);
      border-radius: var(--radius-lg);
      padding: 28px;
      text-align: center;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
      opacity: 0.08;
    }

    .cta-box h4 {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }

    .cta-box p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 20px;
      position: relative;
      z-index: 1;
    }

    /* Feature cards */
    .feature-cards {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .feature-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      text-align: center;
      transition: var(--transition);
    }

    .feature-card:nth-child(2),
    .feature-card:nth-child(3) {
      background: var(--primary-deep);
    }

    .feature-card:nth-child(2) h3,
    .feature-card:nth-child(3) h3 {
      color: #FFFFFF;
    }

    .feature-card:nth-child(2) p,
    .feature-card:nth-child(3) p {
      color: rgba(255, 255, 255, 0.7);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(201, 168, 106, 0.4);
    }

    .feature-card .num {
      font-size: 42px;
      font-weight: 300;
      color: var(--accent);
      font-family: "Inter", sans-serif;
      line-height: 1;
      display: block;
      margin-bottom: 16px;
    }

    .feature-card .icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: rgba(201, 168, 106, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 20px;
      margin: 0 auto 16px;
    }

    .feature-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text);
    }

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

    .feature-card .btn-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      margin-top: 14px;
      text-decoration: none;
      transition: var(--transition);
    }

    .feature-card .btn-link:hover {
      color: var(--accent);
      gap: 10px;
    }

    .feature-card.dark .btn-link {
      color: var(--accent);
    }

    /* Image section */
    .image-text-section {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .image-text-section .image-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
    }

    .image-text-section .image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .image-text-section .image-wrap::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(to top, rgba(20, 43, 34, 0.2) 0%, transparent 60%);
      pointer-events: none;
    }

    .text-content h3 {
      font-size: 26px;
      font-weight: 600;
      margin-bottom: 20px;
      color: var(--text);
      line-height: 1.4;
    }

    .text-content p {
      font-size: 15.5px;
      line-height: 1.8;
      color: var(--text);
      margin-bottom: 16px;
    }

    .text-content .check-list {
      margin-top: 20px;
    }

    .text-content .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 8px 0;
      font-size: 15px;
      color: var(--text);
    }

    .text-content .check-list li i {
      color: var(--accent);
      margin-top: 4px;
    }

    /* Steps */
    .steps-section {
      background: var(--bg-panel);
      border-radius: var(--radius-lg);
      padding: 60px;
      position: relative;
      overflow: hidden;
    }

    .steps-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-3.png');
      background-size: cover;
      background-position: center;
      opacity: 0.06;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      position: relative;
      z-index: 1;
    }

    .step-item {
      text-align: center;
      padding: 0 16px;
    }

    .step-number {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: rgba(201, 168, 106, 0.15);
      border: 1px solid rgba(201, 168, 106, 0.4);
      color: var(--accent);
      font-size: 18px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      font-family: "Inter", sans-serif;
    }

    .step-item h4 {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .step-item p {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      line-height: 1.7;
    }

    /* FAQ */
    .faq-wrap {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
    }

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-family: inherit;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      transition: var(--transition);
      position: relative;
    }

    .faq-question::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
      margin-right: 4px;
    }

    .faq-question:hover {
      background: rgba(201, 168, 106, 0.04);
    }

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

    .faq-icon {
      flex-shrink: 0;
      transition: transform 0.3s ease;
      color: var(--text-sub);
      font-size: 16px;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--accent);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: var(--bg);
    }

    .faq-answer-inner {
      padding: 0 24px 20px 56px;
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-sub);
    }

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

    .cta-panel {
      background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
      border-radius: 24px;
      padding: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-panel);
    }

    .cta-panel::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 50%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.12;
    }

    .cta-panel::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: -40px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(201, 168, 106, 0.15) 0%, transparent 70%);
    }

    .cta-left {
      position: relative;
      z-index: 1;
    }

    .cta-left h2 {
      font-size: 28px;
      font-weight: 600;
      color: #FFFFFF;
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .cta-left p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.6;
    }

    .cta-right {
      position: relative;
      z-index: 1;
      text-align: center;
      flex-shrink: 0;
    }

    .cta-right .btn {
      min-width: 160px;
      height: 48px;
      font-size: 16px;
    }

    .cta-right .cta-note {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.5);
      margin-top: 12px;
      letter-spacing: 0.02em;
    }

    /* Footer */
    .site-footer {
      background: var(--primary-deep);
      padding: 64px 0 0;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-brand .brand {
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.55);
      line-height: 1.7;
      max-width: 280px;
    }

    .footer-nav h4,
    .footer-contact h4 {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-nav h4::after,
    .footer-contact h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 32px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .footer-nav a {
      display: block;
      color: rgba(255, 255, 255, 0.55);
      font-size: 14px;
      padding: 6px 0;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-nav a:hover {
      color: var(--accent);
      padding-left: 6px;
    }

    .footer-contact p {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, 0.55);
      font-size: 14px;
      padding: 6px 0;
    }

    .footer-contact i {
      color: var(--accent);
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.4);
      text-decoration: none;
      transition: var(--transition);
    }

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

    /* Responsive */
    @media (max-width: 1200px) {
      .container {
        padding: 0 20px;
      }

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

    @media (max-width: 992px) {
      .content-layout {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .image-text-section {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .image-text-section .image-wrap {
        order: -1;
      }

      .steps-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .steps-section {
        padding: 48px 32px;
      }

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

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

      .page-hero h1 {
        font-size: 36px;
      }

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

    @media (max-width: 768px) {
      .site-header {
        top: 8px;
        left: 8px;
        right: 8px;
      }

      .nav-container {
        height: 64px;
      }

      .main-nav,
      .nav-actions .btn-gold {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .page-hero {
        padding: 140px 0 64px;
      }

      .page-hero h1 {
        font-size: 30px;
      }

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

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

      .btn {
        width: 100%;
      }

      .content-layout {
        gap: 24px;
      }

      .main-content {
        padding: 24px;
      }

      .feature-cards {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        flex-direction: column;
        padding: 40px 24px;
        text-align: center;
      }

      .cta-left h2 {
        font-size: 24px;
      }

      .section {
        padding: 56px 0;
      }

      .section-header h2 {
        font-size: 26px;
      }

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

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

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

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

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

      .brand-text {
        font-size: 18px;
      }

      .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 12px;
      }

      .hero-features {
        grid-template-columns: 1fr;
      }

      .page-hero {
        padding: 140px 0 48px;
      }

      .page-hero h1 {
        font-size: 26px;
      }

      .main-content {
        padding: 20px;
      }

      .steps-section {
        padding: 40px 20px;
        border-radius: var(--radius-lg);
      }

      .cta-section {
        padding: 48px 0;
      }

      .cta-panel {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
      }
    }

/* roulang page: category2 */
:root {
  --primary: #1F4E3D;
  --primary-deep: #142B22;
  --primary-soft: #2D6653;
  --accent: #C9A86A;
  --accent-soft: #E8D9B8;
  --bg: #F7F5F1;
  --bg-card: #FFFFFF;
  --bg-panel: #162720;
  --text: #223029;
  --text-sub: #6B7A73;
  --border: #E7E2D8;
  --danger: #C7553D;
  --success: #2D8A5E;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(31,78,61,0.06);
  --shadow-hover: 0 8px 30px rgba(31,78,61,0.12);
  --shadow-deep: 0 6px 24px rgba(0,0,0,0.25);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease;
}

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

ul, ol {
  list-style: none;
}

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

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

::selection {
  background: rgba(201,168,106,.3);
  color: var(--primary-deep);
}

:focus-visible {
  outline: 2px solid rgba(201,168,106,.6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: all .25s ease;
  border: 1px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-gold {
  background: var(--accent);
  color: var(--primary-deep);
}
.btn-gold:hover {
  background: #B8944E;
  color: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201,168,106,.35);
}
.btn-gold:active {
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(31,78,61,.06);
  color: var(--primary);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.7);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: #fff;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  border-radius: var(--radius-sm);
}
.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(20,43,34,.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-deep);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  background: rgba(201,168,106,.12);
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,.75);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
}
.nav-link .nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: background .25s ease;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}
.nav-link:hover .nav-icon {
  background: rgba(255,255,255,.14);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(201,168,106,.1);
}
.nav-link.active .nav-icon {
  background: rgba(201,168,106,.2);
  color: var(--accent);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: background .25s ease;
}
.nav-toggle:hover {
  background: rgba(255,255,255,.16);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(120deg, var(--primary-deep) 0%, var(--primary) 100%);
  padding: 110px 0 96px;
  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: .16;
  z-index: 0;
}
.page-hero::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  bottom: -160px;
  background: radial-gradient(circle, rgba(201,168,106,.25) 0%, transparent 70%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,168,106,.15);
  border: 1px solid rgba(201,168,106,.45);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: .02em;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: -.01em;
}
.page-hero h1 .accent-text {
  color: var(--accent);
}
.page-hero .hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,.78);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-note {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-top: 14px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 18px 0;
  font-size: 13px;
  color: var(--text-sub);
}
.breadcrumb a {
  color: var(--text-sub);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  margin: 0 8px;
  color: var(--border);
}

/* ===== 板块通用 ===== */
.section {
  padding: 72px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== 概览卡片 ===== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.overview-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}
.overview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201,168,106,.5);
}
.overview-card:hover::before {
  opacity: 1;
}
.overview-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
  background: rgba(201,168,106,.15);
  color: var(--accent);
}
.overview-card:nth-child(2) .overview-icon {
  background: rgba(31,78,61,.1);
  color: var(--primary);
}
.overview-card:nth-child(3) .overview-icon {
  background: rgba(45,138,94,.12);
  color: var(--success);
}
.overview-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.overview-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 双栏详情 ===== */
.detail-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
}
.detail-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}
.detail-main h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 14px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}
.detail-main h3:first-child {
  margin-top: 0;
}
.detail-main p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.detail-main .content-figure {
  margin: 24px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.detail-main .content-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.detail-main .content-figure figcaption {
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-sub);
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: 110px;
}
.info-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
}
.info-list li i {
  color: var(--accent);
  font-size: 15px;
  margin-top: 3px;
  width: 18px;
  text-align: center;
}
.info-list li strong {
  color: var(--text);
  font-weight: 600;
  display: block;
}
.info-card .btn {
  width: 100%;
  margin-top: 24px;
}
.info-card .card-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 12px;
}

/* ===== 流程 ===== */
.flow-section {
  background: var(--primary-deep);
  padding: 72px 0;
  color: #fff;
}
.flow-section .section-head h2 {
  color: #fff;
}
.flow-section .section-head p {
  color: rgba(255,255,255,.65);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all .3s ease;
  position: relative;
}
.flow-item:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
}
.flow-num {
  font-size: 36px;
  font-weight: 600;
  color: var(--accent);
  opacity: .8;
  line-height: 1;
  margin-bottom: 14px;
  font-family: "Inter", "SF Pro Display", sans-serif;
}
.flow-item h3 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 8px;
}
.flow-item p {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}
.flow-arrow {
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 14px;
  opacity: .6;
  z-index: 2;
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: 60px 0;
  background: var(--bg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.stat-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.stat-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-family: "Inter", "SF Pro Display", sans-serif;
}
.stat-num span {
  color: var(--accent);
}
.stat-label {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 8px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0;
  background: var(--bg-card);
}
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  margin-bottom: 14px;
  transition: all .25s ease;
  overflow: hidden;
}
.faq-item:hover {
  border-color: rgba(201,168,106,.5);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: color .25s ease;
  user-select: none;
}
.faq-question::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-right: 10px;
}
.faq-question .faq-toggle {
  margin-left: auto;
  font-size: 18px;
  color: var(--text-sub);
  transition: transform .3s ease, color .3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question {
  color: var(--primary);
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  background: var(--bg);
}
.faq-answer-inner {
  padding: 4px 22px 18px 40px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: var(--bg);
}
.cta-panel {
  position: relative;
  background: linear-gradient(120deg, var(--primary-deep), var(--primary));
  border-radius: 24px;
  padding: 56px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
}
.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: .12;
}
.cta-panel::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  right: -80px;
  top: -80px;
  background: radial-gradient(circle, rgba(201,168,106,.2) 0%, transparent 70%);
}
.cta-content {
  position: relative;
  z-index: 2;
  color: #fff;
}
.cta-content h2 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  color: #fff;
}
.cta-content p {
  color: rgba(255,255,255,.7);
  font-size: 15px;
}
.cta-action {
  position: relative;
  z-index: 2;
  text-align: center;
  flex-shrink: 0;
}
.cta-action .btn {
  min-width: 160px;
}
.cta-action .cta-mini-note {
  font-size: 12px;
  color: rgba(255,255,255,.55);
  margin-top: 12px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.7);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand .brand-text {
  font-size: 18px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 360px;
}
.footer-nav h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  transition: color .25s ease;
}
.footer-nav a:hover {
  color: var(--accent);
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
}
.footer-contact i {
  color: var(--accent);
  margin-right: 8px;
  width: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  flex-wrap: wrap;
}
.footer-bottom a {
  color: rgba(255,255,255,.45);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .container {
    padding: 0 20px;
  }
  .nav-link {
    padding: 8px 12px;
    font-size: 13px;
  }
  .nav-link .nav-icon {
    width: 28px;
    height: 28px;
  }
}

@media (max-width: 991px) {
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-toggle.active {
    background: rgba(201,168,106,.2);
    color: var(--accent);
  }
  .main-nav.open {
    display: flex;
    position: absolute;
    top: 80px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--primary-deep);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-deep);
    padding: 16px;
    gap: 4px;
    border: 1px solid rgba(255,255,255,.1);
    z-index: 999;
  }
  .main-nav.open .nav-link {
    color: rgba(255,255,255,.8);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
  }
  .main-nav.open .nav-link:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
  }
  .main-nav.open .nav-link.active {
    background: rgba(201,168,106,.15);
    color: var(--accent);
  }
  .overview-grid {
    grid-template-columns: 1fr 1fr;
  }
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .info-card {
    position: static;
  }
  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .flow-arrow {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-panel {
    flex-direction: column;
    text-align: center;
    padding: 48px 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }
  .nav-container {
    height: 68px;
  }
  .brand-text {
    font-size: 17px;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }
  .nav-actions .btn-sm {
    padding: 6px 14px;
    font-size: 13px;
  }
  .main-nav.open {
    top: 68px;
  }
  .page-hero {
    padding: 72px 0 64px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero .hero-sub {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .section {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .detail-section {
    padding: 48px 0;
  }
  .detail-main h3 {
    font-size: 19px;
  }
  .flow-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .stat-num {
    font-size: 32px;
  }
  .cta-panel {
    padding: 40px 24px;
    border-radius: 16px;
  }
  .cta-content h2 {
    font-size: 22px;
  }
  .cta-action .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
  .faq-question {
    font-size: 14px;
    padding: 16px 18px;
  }
  .faq-answer-inner {
    padding-left: 34px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .nav-actions .btn-sm {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .brand-text {
    font-size: 16px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .page-hero .hero-sub {
    font-size: 14px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .flow-item {
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: center;
  }
  .flow-num {
    margin-bottom: 0;
    font-size: 28px;
    min-width: 48px;
  }
  .flow-item h3 {
    margin-bottom: 4px;
  }
  .overview-card {
    padding: 24px 20px;
  }
}

/* roulang page: article */
:root{
  --primary:#1F4E3D;
  --primary-deep:#142B22;
  --primary-soft:#2D6653;
  --accent:#C9A86A;
  --accent-deep:#B8944E;
  --accent-soft:#E8D9B8;
  --bg:#F7F5F1;
  --bg-card:#FFFFFF;
  --bg-panel:#162720;
  --text:#223029;
  --text-sub:#6B7A73;
  --border:#E7E2D8;
  --danger:#C7553D;
  --success:#2D8A5E;
  --radius-lg:16px;
  --radius-md:10px;
  --shadow-sm:0 2px 12px rgba(31,78,61,0.06);
  --shadow-hover:0 8px 30px rgba(31,78,61,0.12);
  --shadow-deep:0 6px 24px rgba(0,0,0,0.25);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","SF Pro Display",var(--font-sans);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;}
ul,ol{list-style-position:inside;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:10px;transition:all .25s ease;border:none;padding:0 28px;height:48px;font-size:15px;line-height:1;white-space:nowrap;}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid rgba(201,168,106,0.4);outline-offset:2px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:56px;padding:0 36px;font-size:16px;}
.btn-gold{background:var(--accent);color:var(--primary-deep);}
.btn-gold:hover{background:var(--accent-deep);color:var(--primary-deep);box-shadow:0 8px 20px rgba(201,168,106,0.3);}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:rgba(31,78,61,0.06);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,0.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,0.1);border-color:#fff;color:#fff;}
.site-header{position:sticky;top:12px;z-index:100;padding:0 16px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:76px;background:var(--primary-deep);border-radius:var(--radius-lg);padding:0 24px;box-shadow:var(--shadow-deep);}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-icon{width:40px;height:40px;border:1px solid var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-weight:800;font-family:var(--font-num);font-size:16px;letter-spacing:-0.02em;}
.brand-text{color:#fff;font-size:20px;font-weight:700;letter-spacing:-0.01em;}
.main-nav{display:flex;align-items:center;gap:12px;}
.nav-link{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:10px;color:rgba(255,255,255,0.7);font-size:14px;font-weight:500;transition:all .2s ease;}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.06);}
.nav-icon{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:14px;color:rgba(255,255,255,0.75);transition:background .2s,color .2s;}
.nav-link.active{color:var(--accent);background:rgba(201,168,106,0.12);}
.nav-link.active .nav-icon{background:rgba(201,168,106,0.2);color:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:20px;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;}
.nav-toggle:hover{background:rgba(255,255,255,0.1);}
.article-page{padding:48px 0 80px;}
.article-wrap{max-width:920px;margin:0 auto;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-sub);margin-bottom:24px;}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C0C9C3;}
.breadcrumb .current{color:var(--text);font-weight:500;}
.article-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:48px;}
.article-header{text-align:center;margin-bottom:40px;}
.article-category{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--primary);font-size:13px;font-weight:600;padding:5px 16px;border-radius:20px;margin-bottom:20px;}
.article-header h1{font-size:36px;line-height:1.25;font-weight:700;color:var(--primary-deep);margin-bottom:18px;letter-spacing:-0.01em;}
.article-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;color:var(--text-sub);font-size:14px;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-content{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--text);}
.article-content p{margin-bottom:1.5em;}
.article-content h2{font-size:24px;font-weight:600;margin:2em 0 .8em;color:var(--primary-deep);letter-spacing:-0.01em;}
.article-content h3{font-size:20px;font-weight:600;margin:1.8em 0 .6em;color:var(--primary-deep);}
.article-content h4{font-size:17px;font-weight:600;margin:1.5em 0 .5em;color:var(--primary-deep);}
.article-content img{border-radius:12px;margin:1.5em 0;box-shadow:var(--shadow-sm);}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:2px;}
.article-content a:hover{color:var(--accent);}
.article-content ul,.article-content ol{margin:1em 0;padding-left:1.5em;}
.article-content li{margin-bottom:8px;}
.article-content blockquote{border-left:3px solid var(--accent);background:var(--bg);padding:16px 24px;border-radius:0 10px 10px 0;margin:1.5em 0;color:var(--text-sub);}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content code{background:var(--primary-deep);color:#fff;padding:3px 8px;border-radius:6px;font-size:14px;font-family:SFMono-Regular,Consolas,"Liberation Mono",monospace;}
.article-content pre{background:var(--primary-deep);color:#fff;padding:20px;border-radius:12px;overflow-x:auto;margin:1.5em 0;box-shadow:var(--shadow-deep);}
.article-content pre code{background:none;padding:0;color:#fff;}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-content th{background:var(--bg);font-weight:600;color:var(--primary-deep);}
.article-content hr{border:none;border-top:1px dashed var(--border);margin:2em 0;}
.related-posts{margin-top:64px;}
.section-head{display:flex;align-items:center;gap:14px;margin-bottom:28px;}
.section-mark{width:24px;height:4px;background:var(--accent);border-radius:2px;flex-shrink:0;}
.section-head h2{font-size:26px;font-weight:700;color:var(--primary-deep);letter-spacing:-0.01em;}
.section-head p{font-size:14px;color:var(--text-sub);margin-top:4px;}
.related-list{display:grid;grid-template-columns:1fr;gap:16px;}
.related-card{display:flex;align-items:center;gap:20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;transition:all .3s ease;}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(201,168,106,0.4);}
.related-card img{width:160px;height:100px;border-radius:10px;object-fit:cover;flex-shrink:0;box-shadow:var(--shadow-sm);}
.related-info{flex:1;min-width:0;}
.related-info h3{font-size:17px;font-weight:600;color:var(--primary-deep);margin-bottom:6px;transition:color .2s;}
.related-card:hover .related-info h3{color:var(--accent);}
.related-info p{font-size:13px;color:var(--text-sub);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-arrow{display:inline-flex;align-items:center;gap:4px;margin-top:10px;color:var(--primary);font-size:13px;font-weight:600;transition:transform .3s,color .2s;}
.related-card:hover .related-arrow{transform:translateX(4px);color:var(--accent);}
.article-back{margin-top:48px;text-align:center;}
.cta-panel{margin-top:64px;background:linear-gradient(rgba(20,43,34,0.92),rgba(31,78,61,0.94)),url('/assets/images/backpic/back-1.webp') center/cover;border-radius:24px;padding:48px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow-deep);}
.cta-eyebrow{color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.04em;}
.cta-text h2{color:#fff;font-size:26px;font-weight:700;margin:8px 0 8px;line-height:1.3;letter-spacing:-0.01em;}
.cta-text p{color:rgba(255,255,255,0.7);font-size:15px;max-width:480px;}
.article-empty{background:var(--bg-card);border:1px dashed var(--border);border-radius:var(--radius-lg);text-align:center;padding:90px 24px;margin-top:24px;}
.article-empty i{font-size:52px;color:var(--accent);margin-bottom:20px;display:inline-block;}
.article-empty h1{font-size:24px;font-weight:700;color:var(--primary-deep);margin-bottom:24px;}
.site-footer{background:var(--primary-deep);padding:64px 0 0;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.1);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:rgba(255,255,255,0.7);font-size:14px;line-height:1.7;max-width:320px;}
.footer-nav h4,.footer-contact h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.footer-nav a{display:block;color:rgba(255,255,255,0.6);font-size:14px;padding:6px 0;transition:color .2s;}
.footer-nav a:hover{color:var(--accent);}
.footer-contact p{color:rgba(255,255,255,0.6);font-size:14px;padding:6px 0;display:flex;align-items:center;gap:8px;}
.footer-contact p i{color:var(--accent);width:16px;font-size:13px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:24px 0;color:rgba(255,255,255,0.45);font-size:13px;}
.footer-bottom a{color:rgba(255,255,255,0.45);transition:color .2s;}
.footer-bottom a:hover{color:var(--accent);}
@media (max-width:1199px){
  .nav-container{padding:0 16px;}
  .brand-text{font-size:18px;}
  .nav-link{padding:6px 10px;gap:6px;}
  .nav-icon{width:44px;height:44px;}
}
@media (max-width:1199px) and (min-width:768px){
  .nav-link{flex-direction:column;gap:4px;padding:6px 8px;font-size:12px;}
  .nav-icon{width:48px;height:48px;font-size:18px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .site-header{top:8px;padding:0 12px;}
  .nav-container{height:64px;padding:0 16px;border-radius:14px;}
  .brand-icon{width:36px;height:36px;font-size:14px;}
  .brand-text{font-size:17px;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:auto;}
  .main-nav{position:fixed;top:0;right:0;width:280px;height:100vh;background:var(--primary-deep);flex-direction:column;align-items:stretch;justify-content:flex-start;padding:84px 20px 24px;transform:translateX(100%);transition:transform .3s ease;box-shadow:-8px 0 30px rgba(0,0,0,0.3);z-index:99;gap:8px;}
  .site-header.is-open .main-nav{transform:translateX(0);}
  .main-nav .nav-link{padding:14px;font-size:15px;border-radius:12px;}
  .main-nav .nav-icon{width:40px;height:40px;}
  .article-page{padding:28px 0 60px;}
  .article-card{padding:28px 20px;}
  .article-header{margin-bottom:28px;}
  .article-header h1{font-size:26px;line-height:1.3;}
  .article-meta{gap:12px;font-size:13px;}
  .article-content{font-size:15px;}
  .related-posts{margin-top:48px;}
  .section-head h2{font-size:22px;}
  .related-card{padding:12px;gap:14px;}
  .related-card img{width:120px;height:88px;}
  .related-info h3{font-size:15px;}
  .related-info p{font-size:12px;-webkit-line-clamp:3;}
  .article-back{margin-top:40px;}
  .cta-panel{flex-direction:column;padding:32px 24px;text-align:center;margin-top:48px;border-radius:20px;}
  .cta-text p{max-width:100%;}
  .cta-text h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}