/* roulang page: index */
:root {
  --gold: #C8920E;
  --gold-light: #E0AC2A;
  --gold-soft: #F6D78B;
  --terracotta: #A05C33;
  --bg-warm: #FAF6EF;
  --bg-sand: #F1E6D3;
  --bg-dark: #2B2118;
  --text-main: #2A2119;
  --text-muted: #6B5F52;
  --border: #E2D6C5;
  --link: #9C6D1D;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(160,92,51,0.08);
  --shadow-hover: 0 12px 32px rgba(160,92,51,0.14);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
body, h1, h2, h3, h4, p, ul, li, figure {
  margin: 0;
  padding: 0;
}
a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--terracotta);
}
img, svg {
  max-width: 100%;
  display: block;
}
button, input {
  font-family: inherit;
  font-size: inherit;
}
.container-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: 96px 0;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--terracotta);
  background: rgba(160,92,51,0.08);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 28px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold) 55%, var(--terracotta));
  color: #fff;
  box-shadow: 0 4px 16px rgba(200,146,14,0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,146,14,0.36);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.btn-outline:active {
  opacity: 0.8;
}
.btn-outline-dark {
  border-color: #fff;
  color: #fff;
  background: transparent;
}
.btn-outline-dark:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(250,246,239,0.96);
  backdrop-filter: blur(8px);
  z-index: 1000;
  border-bottom: 1px solid rgba(226,214,197,0.6);
  transition: box-shadow 0.3s;
}
.site-header.scrolled {
  box-shadow: 0 8px 30px rgba(43,33,24,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold), var(--terracotta));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(200,146,14,0.3);
}
.brand-name {
  font-size: 19px;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: 0.01em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}
.nav-item {
  position: relative;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.nav-item:hover {
  color: var(--gold);
  background: rgba(200,146,14,0.08);
}
.nav-item.active {
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--terracotta));
  font-weight: 700;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-field {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  width: 200px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-field i {
  color: var(--text-muted);
  font-size: 13px;
  margin-right: 8px;
}
.search-field input {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-size: 13px;
  color: var(--text-main);
}
.search-field:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,146,14,0.12);
}
.btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  padding: 8px 4px;
}
.btn-login:hover {
  color: var(--gold);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}
.mobile-menu {
  display: none;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 6px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-link {
  padding: 12px 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 10px;
}
.mobile-link:hover {
  background: rgba(200,146,14,0.08);
  color: var(--gold);
}
.mobile-link.active {
  background: linear-gradient(135deg, var(--gold), var(--terracotta));
  color: #fff;
}
.mobile-search {
  margin-top: 12px;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
}
.mobile-search input {
  border: none;
  outline: none;
  width: 100%;
  font-size: 14px;
  background: transparent;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 120px;
  background: linear-gradient(135deg, #F6D78B 0%, #C8920E 48%, #A05C33 100%);
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,0.28) 0%, transparent 38%),
    radial-gradient(circle at 78% 30%, rgba(255,255,255,0.16) 0%, transparent 28%),
    radial-gradient(circle at 50% 82%, rgba(43,33,24,0.20) 0%, transparent 34%),
    radial-gradient(circle at 22% 76%, rgba(246,215,139,0.30) 0%, transparent 40%);
  pointer-events: none;
}
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M40 0c3.5 17.7-4.6 25.6-12.2 29.4C20 35.2 8.8 34 0 40c11.6 3.2 20.4 6.2 24.6 14.3C29.8 62 27 73 33.4 80c4.6-14.6 4.4-25 15-31 10-5.7 22.4-3.6 31.6-9C65.8 31 60.6 19 61.8 9 54.3 12.4 44.4 9.4 40 0z' fill='rgba(255,255,255,0.10)'/%3E%3C/svg%3E");
  background-size: 90px 90px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-title {
  font-size: 54px;
  line-height: 1.25;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 2px 20px rgba(43,33,24,0.18);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.hero-title .highlight {
  display: inline-block;
  padding: 0 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.20);
  backdrop-filter: blur(2px);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.93);
  margin-bottom: 40px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 8px rgba(43,33,24,0.15);
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-hero-primary {
  background: #fff;
  color: var(--terracotta);
  font-weight: 800;
}
.btn-hero-primary:hover {
  background: var(--bg-warm);
  transform: translateY(-2px);
  color: var(--terracotta);
  box-shadow: 0 8px 24px rgba(43,33,24,0.20);
}
.hero-badges {
  position: absolute;
  right: 48px;
  bottom: 48px;
  z-index: 3;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  max-width: 560px;
  justify-content: flex-end;
}
.data-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  background: rgba(43,33,24,0.30);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 10px 20px;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}
.data-badge:hover {
  transform: translateY(-3px);
}
.data-badge .num {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
}
.data-badge .lbl {
  font-size: 13px;
  opacity: 0.9;
  margin-top: 2px;
  white-space: nowrap;
}
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 22px;
  z-index: 3;
  animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ===== Features ===== */
.features-section {
  background: var(--bg-warm);
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr 1fr;
  gap: 24px;
  align-items: stretch;
  position: relative;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature-card.feature-main {
  background: linear-gradient(150deg, #F6D78B 0%, #C8920E 50%, #A05C33 100%);
  border: none;
  color: #fff;
  transform: scale(1.04);
  box-shadow: 0 16px 44px rgba(160,92,51,0.28);
  z-index: 2;
}
.feature-card.feature-main:hover {
  transform: scale(1.04) translateY(-6px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #fff;
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(200,146,14,0.22);
}
.feature-card.feature-main .feature-icon {
  background: #fff;
  color: var(--gold);
}
.feature-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex: 1;
}
.feature-card.feature-main .feature-desc {
  color: rgba(255,255,255,0.92);
}
.feature-metric {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,146,14,0.10);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--terracotta);
}
.feature-card.feature-main .feature-metric {
  background: rgba(255,255,255,0.22);
  color: #fff;
}
.feature-metric .icon {
  font-size: 12px;
}

/* ===== Scenario ===== */
.scenario-section {
  background: var(--bg-sand);
}
.scenario-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.scenario-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--gold-soft), var(--terracotta));
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scenario-media .media-flag {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(43,33,24,0.72);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.scenario-text {
  padding: 20px 0;
}
.scenario-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0 32px;
}
.scenario-points li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.point-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-top: 3px;
}
.point-text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-main);
}
.point-text span {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Social Proof ===== */
.proof-section {
  background: var(--bg-dark);
  color: #fff;
  text-align: center;
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.proof-stat {
  padding: 28px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
}
.proof-stat .num {
  font-size: 36px;
  font-weight: 900;
  color: var(--gold-soft);
  line-height: 1.2;
}
.proof-stat .lbl {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-top: 4px;
}
.proof-quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}
.quote-card {
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.16);
  transition: transform 0.25s, box-shadow 0.25s;
}
.quote-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.22);
}
.quote-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 20px;
  font-style: italic;
}
.quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.quote-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}
.quote-author .name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}
.quote-author .role {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== News / CMS ===== */
.news-section {
  background: var(--bg-warm);
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.news-more {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.news-more:hover {
  border-color: var(--gold);
  color: var(--terracotta);
}
.cms-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s;
}
.news-card:hover {
  transform: translateX(-4px);
  box-shadow: var(--shadow-hover);
}
.news-date {
  flex-shrink: 0;
  width: 64px;
  height: 72px;
  background: var(--bg-sand);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.news-day {
  font-size: 26px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.1;
}
.news-month {
  font-size: 13px;
  color: var(--text-muted);
}
.news-info {
  flex: 1;
  min-width: 0;
}
.news-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  background: rgba(160,92,51,0.14);
  color: var(--terracotta);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 6px;
}
.news-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s;
}
.news-card:hover .news-title {
  color: var(--gold);
}
.news-summary {
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-arrow {
  flex-shrink: 0;
  color: var(--gold);
  font-size: 18px;
}
.cms-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  background: var(--bg-warm);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-sand);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  transition: background 0.2s;
}
.faq-question:hover {
  background: rgba(200,146,14,0.05);
}
.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--terracotta);
}
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer {
  max-height: 320px;
  padding: 4px 24px 22px;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #F6D78B 0%, #C8920E 45%, #A05C33 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(255,255,255,0.22) 0%, transparent 42%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}
.cta-title {
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 14px rgba(43,33,24,0.14);
}
.cta-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.92);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-cta-white {
  background: #fff;
  color: var(--terracotta);
  font-weight: 800;
}
.btn-cta-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(43,33,24,0.18);
  color: var(--terracotta);
}
.btn-cta-ghost {
  border-color: #fff;
  color: #fff;
}
.btn-cta-ghost:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.72);
  padding: 72px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1fr 1.1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 20px;
}
.footer-brand .brand-desc {
  font-size: 13px;
  line-height: 1.8;
  margin-top: 12px;
  color: rgba(255,255,255,0.55);
}
.footer-col-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-links a:hover {
  color: var(--gold-soft);
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.footer-contact i {
  color: var(--gold);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.42);
}

/* ===== Sticky Bottom Bar ===== */
.sticky-bar {
  position: fixed;
  left: 50%;
  transform: translate(-50%, 120%);
  bottom: 24px;
  z-index: 999;
  background: rgba(43,33,24,0.92);
  backdrop-filter: blur(6px);
  border-radius: 16px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 12px 36px rgba(43,33,24,0.35);
  transition: transform 0.4s ease, opacity 0.4s ease;
  opacity: 0;
  max-width: calc(100vw - 32px);
  white-space: nowrap;
}
.sticky-bar.visible {
  transform: translate(-50%, 0);
  opacity: 1;
}
.sticky-bar-text {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
.sticky-bar-btn {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  padding: 8px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.sticky-bar-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 18px rgba(200,146,14,0.4);
  color: #fff;
}
.sticky-bar-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.55);
  font-size: 15px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}
.sticky-bar-close:hover {
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .container-main {
    padding: 0 20px;
  }
  .main-nav {
    display: none;
  }
  .header-actions .search-field,
  .header-actions .btn-login,
  .header-actions .btn-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-card.feature-main {
    transform: none;
  }
  .feature-card.feature-main:hover {
    transform: translateY(-6px);
  }
  .scenario-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .proof-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .proof-quotes {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 767px) {
  section {
    padding: 64px 0;
  }
  .hero-section {
    padding: 100px 0 120px;
    min-height: auto;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-badges {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 48px;
    justify-content: center;
    max-width: 100%;
  }
  .data-badge {
    padding: 8px 16px;
  }
  .data-badge .num {
    font-size: 20px;
  }
  .button-row-mobile {
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card.feature-main {
    transform: none;
  }
  .scenario-inner {
    gap: 24px;
  }
  .section-title {
    font-size: 26px;
  }
  .news-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
  }
  .news-date {
    width: 54px;
    height: 64px;
  }
  .news-title {
    white-space: normal;
    font-size: 15px;
  }
  .news-summary {
    white-space: normal;
    font-size: 13px;
  }
  .news-arrow {
    display: none;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }
  .cta-title {
    font-size: 28px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .sticky-bar {
    bottom: 12px;
    padding: 10px 14px;
    gap: 12px;
    max-width: calc(100vw - 24px);
  }
  .sticky-bar-text {
    font-size: 13px;
  }
  .sticky-bar-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}
@media (max-width: 520px) {
  .container-main {
    padding: 0 16px;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
  }
  .sticky-bar-text {
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* roulang page: category1 */
:root {
  --gold: #C8920E;
  --gold-light: #E0AC2A;
  --gold-top: #F6D78B;
  --terra: #A05C33;
  --sand: #FAF6EF;
  --sand-alt: #F1E6D3;
  --dark: #2B2118;
  --text: #2A2119;
  --muted: #6B5F52;
  --line: #E2D6C5;
  --link: #9C6D1D;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-btn: 12px;
  --shadow-sm: 0 4px 20px rgba(160,92,51,0.08);
  --shadow-lg: 0 12px 32px rgba(160,92,51,0.14);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif; background: var(--sand); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--link); text-decoration: none; transition: color .25s; }
a:hover { color: var(--terra); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }
ul { list-style: none; }
.container-main { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.site-header { position: sticky; top: 0; z-index: 100; height: 64px; background: rgba(250,246,239,0.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(160,92,51,0.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, #F6D78B, #C8920E 45%, #A05C33); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; box-shadow: 0 2px 8px rgba(160,92,51,0.3); }
.brand-name { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: .5px; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-item { padding: 8px 16px; border-radius: 999px; color: var(--text); font-weight: 500; font-size: 15px; position: relative; transition: background .25s, color .25s; }
.nav-item:hover { background: var(--sand-alt); color: var(--gold); }
.nav-item.active { color: var(--gold); font-weight: 700; background: rgba(200,146,14,0.1); }
.nav-item.active::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--gold); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { position: relative; }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 13px; }
.search-box input { width: 180px; height: 38px; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 0 16px 0 36px; font-size: 14px; transition: border-color .25s, box-shadow .25s, width .3s; }
.search-box input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,146,14,0.12); width: 200px; }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: #fff; border-radius: 10px; align-items: center; justify-content: center; font-size: 16px; color: var(--text); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-btn); padding: 10px 24px; font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: all .28s ease; line-height: 1.4; }
.btn-primary { background: linear-gradient(135deg, #E0AC2A, #C8920E 50%, #A05C33); color: #fff; box-shadow: 0 4px 16px rgba(160,92,51,0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(160,92,51,0.32); color: #fff; }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(160,92,51,0.25); }
.btn-outline { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn-outline:hover { background: rgba(200,146,14,0.08); border-color: var(--gold-light); transform: translateY(-2px); color: var(--gold); }
.btn-outline:active { transform: translateY(0); }
.btn-lg { padding: 14px 36px; font-size: 17px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.hero-section { position: relative; padding: 110px 0 100px; color: #fff; background: linear-gradient(135deg, #3D2A17 0%, #6B4226 45%, #2B2118 100%); overflow: hidden; }
.hero-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.25; mix-blend-mode: overlay; }
.hero-section::after { content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(224,172,42,0.38), transparent 70%); top: -120px; right: -100px; pointer-events: none; }
.hero-content { position: relative; z-index: 2; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22); border-radius: 999px; padding: 4px 14px; font-size: 13px; color: #F6D78B; margin-bottom: 20px; letter-spacing: .5px; }
.hero-title { font-size: clamp(36px, 5vw, 56px); line-height: 1.15; font-weight: 800; margin-bottom: 20px; color: #fff; letter-spacing: .5px; }
.hero-title .highlight { color: #F6D78B; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,0.85); max-width: 560px; margin-bottom: 32px; line-height: 1.75; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.stat-badge { display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, #E0AC2A, #C8920E 55%, #A05C33); border-radius: 999px; padding: 12px 22px; color: #fff; box-shadow: 0 8px 20px rgba(160,92,51,0.28); }
.stat-num { font-size: 26px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 14px; opacity: .95; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; margin-bottom: 12px; color: var(--text); }
.section-head p { color: var(--muted); font-size: 15px; }
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; align-items: start; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 30px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; position: relative; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card-center { background: linear-gradient(135deg, #F6D78B, #C8920E 50%, #A05C33); color: #fff; border: none; transform: translateY(-24px) scale(1.02); box-shadow: 0 16px 40px rgba(160,92,51,0.22); }
.service-card-center:hover { transform: translateY(-28px) scale(1.02); }
.service-icon { width: 52px; height: 52px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; font-size: 22px; background: rgba(200,146,14,0.12); color: var(--gold); margin-bottom: 20px; }
.service-card-center .service-icon { background: rgba(255,255,255,0.18); color: #fff; }
.card-title { font-size: 20px; font-weight: 800; margin-bottom: 12px; }
.card-desc { font-size: 15px; line-height: 1.75; color: var(--muted); margin-bottom: 20px; }
.service-card-center .card-desc { color: rgba(255,255,255,0.92); }
.card-meta { display: inline-block; font-size: 13px; font-weight: 600; background: var(--sand-alt); color: var(--terra); border-radius: 999px; padding: 4px 12px; }
.service-card-center .card-meta { background: rgba(255,255,255,0.18); color: #fff; }
.process-section { background: var(--sand-alt); }
.process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.process-step { background: #fff; border-radius: var(--radius-md); padding: 30px 24px 28px; text-align: center; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .3s; }
.process-step:hover { transform: translateY(-4px); }
.step-num { font-size: 14px; font-weight: 700; color: var(--gold); background: rgba(200,146,14,0.1); width: 32px; height: 32px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.process-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.scenario-section { padding: 96px 0; }
.scenario-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.scenario-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; aspect-ratio: 4/3; }
.scenario-media img { width: 100%; height: 100%; object-fit: cover; }
.scenario-content h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; color: var(--text); line-height: 1.3; }
.scenario-content .lead { color: var(--muted); font-size: 16px; margin-bottom: 28px; line-height: 1.75; }
.scenario-list li { display: flex; gap: 12px; align-items: flex-start; padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 15px; color: var(--text); }
.scenario-list li:last-child { border-bottom: none; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, #E0AC2A, #A05C33); flex-shrink: 0; margin-top: 9px; }
.support-section { background: var(--dark); color: #fff; }
.support-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.support-head h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; color: #fff; margin-bottom: 12px; }
.support-head p { color: rgba(255,255,255,0.65); font-size: 15px; }
.support-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-bottom: 40px; }
.support-item { text-align: center; padding: 32px 20px; border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); background: rgba(255,255,255,0.03); transition: background .3s, transform .3s; }
.support-item:hover { background: rgba(255,255,255,0.06); transform: translateY(-3px); }
.support-num { font-size: 36px; font-weight: 800; color: var(--gold-light); line-height: 1.2; }
.support-label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 8px; }
.support-note { text-align: center; color: rgba(255,255,255,0.55); font-size: 14px; max-width: 640px; margin: 0 auto; line-height: 1.8; }
.faq-section { background: var(--sand-alt); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 16px; overflow: hidden; transition: box-shadow .3s; }
.faq-item.open { box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; text-align: left; padding: 20px 24px; font-size: 15px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; color: var(--text); gap: 16px; }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; background: rgba(200,146,14,0.1); color: var(--gold); display: inline-flex; align-items: center; justify-content: center; font-style: normal; font-size: 14px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 24px 20px; font-size: 14px; color: var(--muted); line-height: 1.85; max-width: 720px; }
.faq-item.open .faq-answer { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.cta-section { background: linear-gradient(135deg, #3D2A17, #6B4226); color: #fff; text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; color: #fff; }
.cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 32px; font-size: 15px; max-width: 480px; margin-left: auto; margin-right: auto; }
.site-footer { background: var(--dark); color: rgba(255,255,255,0.75); padding-top: 72px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand { display: block; margin-bottom: 16px; }
.footer-brand .brand-icon { background: linear-gradient(135deg, #F6D78B, #C8920E 45%, #A05C33); }
.footer-brand .brand-name { color: #fff; }
.brand-desc { color: rgba(255,255,255,0.55); line-height: 1.8; margin-top: 14px; font-size: 14px; }
.footer-col-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); transition: color .25s; }
.footer-links a:hover { color: var(--gold-light); }
.footer-contact li { color: rgba(255,255,255,0.6); display: flex; gap: 8px; align-items: center; }
.footer-contact i { width: 20px; color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); text-align: center; padding: 20px 0; color: rgba(255,255,255,0.4); font-size: 13px; }
@media (max-width: 1023px) {
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; background: var(--sand); flex-direction: column; padding: 20px; gap: 8px; display: none; box-shadow: 0 12px 32px rgba(160,92,51,0.12); border-bottom: 1px solid var(--line); }
  .main-nav.open { display: flex; }
  .nav-item { width: 100%; text-align: center; padding: 12px 20px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .search-box { display: none; }
  .header-actions .btn-outline, .header-actions .btn-primary { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card-center { transform: none; order: -1; grid-column: 1 / -1; }
  .service-card-center:hover { transform: translateY(-4px); }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .scenario-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .container-main { padding: 0 16px; }
  .section { padding: 64px 0; }
  .hero-section { padding: 80px 0 70px; }
  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .hero-badges { gap: 8px; }
  .stat-badge { padding: 10px 14px; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 12px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card-center { grid-column: 1; }
  .process-grid { grid-template-columns: 1fr; }
  .scenario-section { padding: 64px 0; }
  .scenario-content h2 { font-size: 26px; }
  .scenario-inner { gap: 32px; }
  .support-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .support-item { padding: 24px 12px; }
  .support-num { font-size: 28px; }
  .cta-section { padding: 60px 0; }
  .cta-section h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: article */
:root {
            --gold: #C8920E;
            --gold-light: #E0AC2A;
            --gold-pale: #F6D78B;
            --clay: #A05C33;
            --bg-warm: #FAF6EF;
            --bg-sand: #F1E6D3;
            --dark: #2B2118;
            --ink: #2A2119;
            --muted: #6B5F52;
            --line: #E2D6C5;
            --link: #9C6D1D;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-warm);
            background-image: radial-gradient(rgba(200, 146, 14, 0.045) 1px, transparent 1px);
            background-size: 28px 28px;
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
        }

        a {
            color: inherit;
        }

        img {
            max-width: 100%;
        }

        .container-main {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ Header & Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(250, 246, 239, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(160, 92, 51, 0.1);
        }

        .common-header {
            display: flex;
            align-items: center;
            min-height: 68px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .site-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--ink);
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            border-radius: 14px 14px 14px 4px;
            background: linear-gradient(135deg, #F6D78B, #C8920E 55%, #A05C33);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 146, 14, 0.35);
            transform: rotate(-3deg);
            transition: transform .25s, box-shadow .25s;
        }

        .site-brand:hover .brand-badge {
            transform: rotate(0deg) scale(1.05);
            box-shadow: 0 6px 18px rgba(200, 146, 14, 0.45);
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-item {
            position: relative;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--muted);
            text-decoration: none;
            transition: all .25s ease;
        }

        .nav-item:hover {
            color: var(--gold);
            background: rgba(200, 146, 14, 0.08);
            transform: translateY(-1px);
        }

        .nav-item.active {
            color: #8B5E14;
            background: linear-gradient(135deg, rgba(246, 215, 139, 0.35), rgba(200, 146, 14, 0.12));
            box-shadow: inset 0 0 0 1px rgba(200, 146, 14, 0.25);
        }

        .nav-item.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            width: 16px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: translateX(-50%);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 7px 16px;
            transition: border-color .2s, box-shadow .2s;
        }

        .search-wrap:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(200, 146, 14, 0.12);
        }

        .search-wrap i {
            color: var(--muted);
            font-size: 13px;
        }

        .search-wrap input {
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
            width: 130px;
            color: var(--ink);
        }

        .nav-login {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-decoration: none;
            transition: color .2s;
        }

        .nav-login:hover {
            color: var(--gold);
        }

        .nav-cta {
            background: linear-gradient(135deg, #F6D78B, #C8920E 55%, #A05C33);
            color: #fff;
            padding: 9px 24px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 14px;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(200, 146, 14, 0.35);
            transition: transform .25s, box-shadow .25s, color .25s;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 146, 14, 0.45);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--line);
            border-radius: 12px;
            width: 42px;
            height: 42px;
            font-size: 18px;
            color: var(--ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .2s;
            margin-left: auto;
        }

        .mobile-toggle:hover {
            background: rgba(200, 146, 14, 0.1);
            border-color: var(--gold);
        }

        /* ============ Article Hero ============ */
        .article-hero {
            position: relative;
            padding: 64px 0 56px;
            background: linear-gradient(135deg, rgba(241, 230, 211, 0.94), rgba(250, 246, 239, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .article-hero::before {
            content: "✦";
            position: absolute;
            right: 55px;
            bottom: 28px;
            font-size: 44px;
            color: rgba(200, 146, 14, 0.16);
            pointer-events: none;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(246, 215, 139, 0.22), transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--link);
            text-decoration: none;
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .breadcrumb .sep {
            color: #C9BBA6;
        }

        .breadcrumb .current-title {
            max-width: 420px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--ink);
            margin: 0 0 18px;
            max-width: 860px;
            letter-spacing: .5px;
        }

        .article-title::before {
            content: "";
            display: block;
            width: 64px;
            height: 4px;
            background: linear-gradient(90deg, #C8920E, #F6D78B);
            border-radius: 4px;
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--gold);
        }

        .badge-category {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(160, 92, 51, 0.12);
            color: var(--clay);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            border: 1px dashed rgba(160, 92, 51, 0.35);
        }

        /* ============ Article Card ============ */
        .article-wrap {
            margin-top: -28px;
            position: relative;
            z-index: 2;
            padding-bottom: 20px;
        }

        .article-card {
            background: #fffdf8;
            border: 1px solid var(--line);
            border-radius: 24px;
            box-shadow: 0 8px 32px rgba(160, 92, 51, 0.1);
            padding: 48px 56px;
            margin-bottom: 40px;
        }

        .article-body {
            font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--ink);
        }

        .article-body p {
            margin: 0 0 1.3em;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 2em 0 .8em;
            padding-left: 14px;
            border-left: 4px solid var(--gold);
            color: var(--ink);
            font-family: "Noto Sans SC", sans-serif;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 1.8em 0 .6em;
            font-family: "Noto Sans SC", sans-serif;
        }

        .article-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 1.6em 0 .5em;
            font-family: "Noto Sans SC", sans-serif;
        }

        .article-body a {
            color: var(--link);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color .2s;
        }

        .article-body a:hover {
            color: var(--gold);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.3em;
            padding-left: 1.6em;
        }

        .article-body li {
            margin-bottom: .4em;
        }

        .article-body blockquote {
            margin: 1.6em 0;
            padding: 18px 24px;
            background: linear-gradient(135deg, #F1E6D3, #FAF4E8);
            border-left: 4px solid var(--gold);
            border-radius: 0 14px 14px 0;
            color: #4A3F35;
            font-style: normal;
        }

        .article-body img {
            border-radius: 14px;
            max-width: 100%;
            height: auto;
            margin: 1.5em 0;
        }

        .article-body figure {
            margin: 1.6em 0;
        }

        .article-body figcaption {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            margin-top: 8px;
        }

        /* ============ Related ============ */
        .related-section {
            margin: 48px 0 24px;
        }

        .related-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
        }

        .related-head h2 {
            font-size: 26px;
            font-weight: 800;
            margin: 0;
        }

        .related-head .deco-line {
            width: 44px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--gold-pale));
            border-radius: 3px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .related-card {
            display: flex;
            gap: 18px;
            background: #fffdf8;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 16px;
            text-decoration: none;
            color: var(--ink);
            transition: all .3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(160, 92, 51, 0.14);
            border-color: rgba(200, 146, 14, 0.4);
        }

        .related-img {
            flex-shrink: 0;
            width: 120px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
        }

        .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px;
        }

        .related-content p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-link {
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            margin-top: auto;
        }

        /* ============ Buttons ============ */
        .article-back {
            text-align: center;
            margin: 32px 0 8px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 999px;
            border: 1.5px solid var(--gold);
            color: var(--gold);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: all .25s;
            background: transparent;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(200, 146, 14, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 146, 14, 0.15);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, #F6D78B, #C8920E 55%, #A05C33);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(200, 146, 14, 0.35);
            transition: all .25s;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(200, 146, 14, 0.45);
            color: #fff;
        }

        /* ============ Not Found ============ */
        .not-found-card {
            background: #fffdf8;
            border: 2px dashed var(--line);
            border-radius: 24px;
            padding: 64px 24px;
            text-align: center;
            margin-bottom: 32px;
        }

        .not-found-card i {
            font-size: 42px;
            color: var(--gold-pale);
            margin-bottom: 16px;
        }

        .not-found-card p {
            font-size: 18px;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 20px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(43, 33, 24, 0.95), rgba(90, 64, 38, 0.92)), url('/assets/images/backpic/back-2.png') center/cover;
            border-radius: 28px;
            padding: 64px 48px;
            text-align: center;
            margin: 48px 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            left: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(246, 215, 139, 0.14), transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 30px;
            color: #fff;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: .5px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btn-main {
            background: linear-gradient(135deg, #F6D78B, #C8920E 55%, #A05C33);
            color: #fff;
            padding: 12px 34px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            border: none;
            box-shadow: 0 6px 20px rgba(200, 146, 14, 0.45);
            transition: all .25s;
            cursor: pointer;
        }

        .cta-btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 146, 14, 0.55);
            color: #fff;
        }

        .cta-btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all .25s;
        }

        .cta-btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 24px;
            margin-top: 72px;
            border-top: 3px solid var(--gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }

        .footer-brand .brand-icon {
            display: inline-flex;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
            border-radius: 12px 12px 12px 4px;
            color: #fff;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 4px 14px rgba(200, 146, 14, 0.25);
        }

        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }

        .brand-desc {
            font-size: 14px;
            line-height: 1.8;
            margin: 16px 0 0;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 14px;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: all .2s;
        }

        .footer-links a:hover {
            color: var(--gold-pale);
            padding-left: 4px;
        }

        .footer-contact i {
            width: 18px;
            color: var(--gold-pale);
        }

        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            padding-top: 16px;
        }

        /* ============ Floating CTA ============ */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%) translateY(140%);
            z-index: 100;
            background: rgba(43, 33, 24, 0.92);
            backdrop-filter: blur(12px);
            border-radius: 18px;
            padding: 12px 16px 12px 24px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform .5s cubic-bezier(0.22, 1, 0.36, 1);
            max-width: calc(100vw - 32px);
        }

        .floating-cta.visible {
            transform: translateX(-50%) translateY(0);
        }

        .floating-inner {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .floating-text {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0;
            white-space: nowrap;
        }

        .floating-btn {
            background: linear-gradient(135deg, #F6D78B, #C8920E 55%, #A05C33);
            color: #fff;
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            text-decoration: none;
            white-space: nowrap;
            transition: all .2s;
        }

        .floating-btn:hover {
            transform: scale(1.04);
            color: #fff;
        }

        .floating-close {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }

        .floating-close:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ============ Responsive ============ */
        @media (min-width: 1024px) {
            .nav-actions .search-wrap {
                display: flex;
            }
        }

        @media (max-width: 1023px) {
            .mobile-toggle {
                display: flex;
            }

            .main-nav,
            .nav-actions {
                display: none;
            }

            .site-header.open .main-nav {
                display: flex;
                flex-direction: column;
                width: 100%;
                order: 10;
                padding: 12px 0 6px;
                gap: 4px;
                border-top: 1px solid var(--line);
                margin-top: 10px;
            }

            .site-header.open .nav-actions {
                display: flex;
                width: 100%;
                order: 11;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                gap: 12px;
                padding: 8px 0 16px;
            }

            .site-header.open .nav-actions {
                margin-left: 0;
            }

            .site-header.open .search-wrap {
                flex: 1;
                min-width: 180px;
            }

            .site-header.open .nav-cta {
                margin-left: auto;
            }

            .common-header {
                padding-top: 4px;
                padding-bottom: 4px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            .container-main {
                padding-left: 16px;
                padding-right: 16px;
            }

            .common-header {
                gap: 12px;
            }

            .brand-text {
                font-size: 19px;
            }

            .article-hero {
                padding: 44px 0 48px;
            }

            .article-title {
                font-size: 28px;
            }

            .article-meta {
                gap: 10px;
            }

            .article-card {
                padding: 26px 18px;
                border-radius: 18px;
            }

            .article-card {
                margin-bottom: 28px;
            }

            .cta-section {
                padding: 40px 20px;
                border-radius: 20px;
                margin-top: 36px;
            }

            .cta-section h2 {
                font-size: 23px;
            }

            .cta-section p {
                font-size: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .floating-cta {
                bottom: 16px;
                padding: 10px 12px 10px 18px;
                border-radius: 14px;
            }

            .floating-text {
                font-size: 13px;
            }

            .floating-btn {
                padding: 8px 16px;
                font-size: 13px;
            }

            .related-card {
                flex-direction: column;
            }

            .related-img {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
    :root {
      --gold: #C8920E;
      --gold-light: #E0AC2A;
      --terra: #A05C33;
      --sand: #FAF6EF;
      --sand-deep: #F1E6D3;
      --dark: #2B2118;
      --ink: #2A2119;
      --muted: #6B5F52;
      --line: #E2D6C5;
      --link: #9C6D1D;
      --radius-card: 24px;
      --radius-sm: 12px;
      --shadow-card: 0 4px 20px rgba(160, 92, 51, 0.08);
      --shadow-hover: 0 12px 32px rgba(160, 92, 51, 0.14);
    }

    /* ========== 基础 reset ========== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--sand);
      color: var(--ink);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5 {
      font-family: "Noto Serif SC", "Songti SC", serif;
      line-height: 1.3;
    }
    a {
      color: var(--link);
      text-decoration: none;
      transition: color 0.25s ease;
    }
    a:hover {
      color: var(--gold);
    }
    img {
      max-width: 100%;
      display: block;
    }
    button, input {
      font-family: inherit;
    }
    a:focus-visible, button:focus-visible, input:focus-visible {
      outline: 3px solid rgba(192, 146, 14, 0.45);
      outline-offset: 2px;
    }

    /* ========== 容器 ========== */
    .container-main {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (max-width: 640px) {
      .container-main {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* ========== 导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(250, 246, 239, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow 0.3s ease;
    }
    .site-header.scrolled {
      box-shadow: 0 6px 24px rgba(43, 33, 24, 0.08);
    }
    .header-inner {
      display: flex;
      align-items: center;
      gap: 20px;
      height: 64px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 18px;
      box-shadow: 0 2px 10px rgba(160, 92, 51, 0.25);
    }
    .brand-name {
      font-size: 22px;
      font-weight: 900;
      color: var(--ink);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 24px;
      flex: 1;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .main-nav::-webkit-scrollbar {
      display: none;
    }
    .nav-item {
      padding: 8px 14px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      color: var(--ink);
      white-space: nowrap;
      position: relative;
      transition: background 0.3s ease, color 0.3s ease;
    }
    .nav-item:hover {
      background: var(--sand-deep);
      color: var(--gold);
    }
    .nav-item.active {
      background: linear-gradient(135deg, #F6D78B, #C8920E);
      color: #fff;
      font-weight: 700;
      box-shadow: 0 2px 8px rgba(200, 146, 14, 0.3);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-left: auto;
      flex-shrink: 0;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 6px 14px;
      gap: 8px;
      width: 170px;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .search-box:focus-within {
      border-color: var(--gold);
      box-shadow: 0 0 0 3px rgba(200, 146, 14, 0.15);
    }
    .search-box i {
      color: var(--muted);
      font-size: 13px;
    }
    .search-box input {
      border: none;
      outline: none;
      background: transparent;
      font-size: 13px;
      width: 100%;
      color: var(--ink);
    }
    .btn-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--ink);
      padding: 6px 8px;
      border-radius: 8px;
      transition: background 0.25s ease;
    }
    .btn-link:hover {
      background: var(--sand-deep);
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: 999px;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(160, 92, 51, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(160, 92, 51, 0.35);
      color: #fff;
    }
    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(160, 92, 51, 0.3);
    }
    .btn-sm {
      padding: 8px 16px;
      font-size: 13px;
    }
    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--sand-deep);
      border: 1px solid var(--line);
      color: var(--ink);
      font-size: 17px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: background 0.3s ease;
    }
    .menu-toggle:hover {
      background: #e9dcc8;
    }
    .mobile-menu {
      display: none;
      background: var(--sand);
      border-top: 1px solid var(--line);
      padding: 16px 24px 20px;
    }
    .mobile-menu.open {
      display: block;
    }
    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .mobile-nav .nav-item {
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 15px;
    }
    .mobile-nav .nav-item.active {
      background: linear-gradient(135deg, #F6D78B, #C8920E);
      color: #fff;
    }
    .mobile-actions {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      align-items: center;
    }

    /* ========== 按钮 ========== */
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--terra);
      font-weight: 600;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: 999px;
      border: 2px solid var(--terra);
      cursor: pointer;
      transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
    }
    .btn-outline:hover {
      background: var(--terra);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-outline:active {
      transform: translateY(0);
    }

    /* ========== 板块通用 ========== */
    .section-padding {
      padding: 96px 0;
    }
    @media (max-width: 768px) {
      .section-padding {
        padding: 64px 0;
      }
    }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      color: var(--terra);
      letter-spacing: 2px;
      text-transform: uppercase;
      background: var(--sand-deep);
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 34px;
      font-weight: 900;
      color: var(--ink);
      margin-bottom: 16px;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--muted);
      max-width: 680px;
      line-height: 1.8;
    }

    /* ========== Hero ========== */
    .hero-wrap {
      position: relative;
      min-height: 88vh;
      display: flex;
      align-items: center;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(246, 215, 139, 0.45), rgba(200, 146, 14, 0.55), rgba(160, 92, 51, 0.75)),
        url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    }
    .hero-wrap::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 80% 20%, rgba(246, 215, 139, 0.35) 0%, transparent 50%),
                 radial-gradient(circle at 20% 80%, rgba(160, 92, 51, 0.2) 0%, transparent 45%);
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 760px;
      padding: 60px 0;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(250, 246, 239, 0.75);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.5);
      color: var(--terra);
      font-weight: 700;
      font-size: 13px;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 22px;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 52px;
      font-weight: 900;
      color: #fff;
      text-shadow: 0 4px 18px rgba(43, 33, 24, 0.35);
      line-height: 1.2;
      margin-bottom: 18px;
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.92);
      text-shadow: 0 2px 8px rgba(43, 33, 24, 0.3);
      margin-bottom: 28px;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .hero-actions .btn-primary {
      background: #fff;
      color: var(--terra);
      box-shadow: 0 6px 24px rgba(43, 33, 24, 0.18);
    }
    .hero-actions .btn-primary:hover {
      color: var(--terra);
      box-shadow: 0 10px 30px rgba(43, 33, 24, 0.25);
    }
    .hero-actions .btn-outline {
      border-color: rgba(255, 255, 255, 0.75);
      color: #fff;
    }
    .hero-actions .btn-outline:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: #fff;
    }
    @media (max-width: 768px) {
      .hero-wrap {
        min-height: 80vh;
      }
      .hero-title {
        font-size: 32px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-outline {
        width: 100%;
      }
    }

    /* ========== 方案概览/差异化卡片 ========== */
    .feature-cards {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
      align-items: start;
      margin-top: 48px;
    }
    .feature-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
    .feature-card.feature-main {
      background: linear-gradient(150deg, #F6D78B, #C8920E, #A05C33);
      color: #fff;
      transform: scale(1.05);
      border: none;
      box-shadow: 0 12px 40px rgba(160, 92, 51, 0.3);
      margin-top: -12px;
    }
    .feature-card.feature-main .feature-title {
      color: #fff;
    }
    .feature-card.feature-main .feature-desc {
      color: rgba(255, 255, 255, 0.9);
    }
    .feature-card.feature-main .feature-meta {
      background: rgba(255, 255, 255, 0.2);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.3);
    }
    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--sand-deep);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--terra);
      margin-bottom: 20px;
    }
    .feature-main .feature-icon {
      background: rgba(255, 255, 255, 0.25);
      color: #fff;
    }
    .feature-title {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--ink);
    }
    .feature-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.8;
      margin-bottom: 18px;
    }
    .feature-meta {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--terra);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 4px 14px;
      background: var(--sand);
    }
    @media (max-width: 1023px) {
      .feature-cards {
        grid-template-columns: 1fr 1fr;
      }
      .feature-card.feature-main {
        grid-column: span 2;
        transform: scale(1);
        margin-top: 0;
        order: -1;
      }
    }
    @media (max-width: 640px) {
      .feature-cards {
        grid-template-columns: 1fr;
      }
      .feature-card.feature-main {
        grid-column: span 1;
      }
    }

    /* ========== 行业领域卡片 ========== */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 48px;
    }
    .industry-card {
      background: #fff;
      border: 2px solid var(--line);
      outline: 1px solid transparent;
      outline-offset: 4px;
      border-radius: var(--radius-card);
      padding: 28px 24px;
      transition: outline-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    }
    .industry-card:hover {
      outline-color: var(--gold);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .industry-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: var(--sand-deep);
      color: var(--terra);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 16px;
    }
    .industry-name {
      font-size: 17px;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 8px;
    }
    .industry-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }
    @media (max-width: 1023px) {
      .industry-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 520px) {
      .industry-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ========== 流程步骤 ========== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .step-card {
      background: var(--sand);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 28px;
      position: relative;
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
    .step-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .step-no {
      font-size: 40px;
      font-weight: 900;
      color: rgba(200, 146, 14, 0.2);
      line-height: 1;
      margin-bottom: 16px;
      font-family: "Noto Serif SC", serif;
    }
    .step-title {
      font-size: 17px;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .step-title i {
      color: var(--gold);
      font-size: 15px;
    }
    .step-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.75;
    }
    @media (max-width: 1023px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 520px) {
      .steps-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ========== 图文展示区 ========== */
    .split-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .split-image {
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--line);
    }
    .split-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4/3;
    }
    .check-list {
      list-style: none;
      margin-top: 24px;
    }
    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      font-size: 15px;
      color: var(--ink);
      border-bottom: 1px dashed var(--line);
    }
    .check-list li:last-child {
      border-bottom: none;
    }
    .check-list li i {
      color: var(--gold);
      font-size: 14px;
      margin-top: 4px;
      flex-shrink: 0;
    }
    @media (max-width: 768px) {
      .split-block {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    /* ========== 数据/印章区 ========== */
    .stats-section {
      background: var(--dark);
      color: #fff;
      padding: 80px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .stats-item {
      text-align: center;
      padding: 24px 16px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.04);
      transition: background 0.3s ease, transform 0.3s ease;
    }
    .stats-item:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-3px);
    }
    .stats-num {
      font-size: 36px;
      font-weight: 900;
      color: var(--gold-light);
      font-family: "Noto Serif SC", serif;
    }
    .stats-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-top: 6px;
    }
    @media (max-width: 768px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 420px) {
      .stats-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ========== FAQ ========== */
    .faq-list {
      margin-top: 40px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .faq-item {
      background: var(--sand-deep);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 20px 24px;
      margin-bottom: 14px;
      transition: box-shadow 0.3s ease;
    }
    .faq-item.active {
      box-shadow: var(--shadow-card);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      cursor: pointer;
      font-size: 15px;
      font-weight: 700;
      color: var(--ink);
      user-select: none;
    }
    .faq-question i {
      font-size: 14px;
      color: var(--terra);
      transition: transform 0.35s ease;
      flex-shrink: 0;
    }
    .faq-item.active .faq-question i {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.75;
    }
    .faq-item.active .faq-answer {
      max-height: 500px;
      padding-top: 12px;
    }

    /* ========== CTA ========== */
    .cta-wrap {
      position: relative;
      background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
      border-radius: 32px;
      padding: 64px 48px;
      text-align: center;
      overflow: hidden;
      margin: 96px 0;
    }
    .cta-wrap::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 25% 30%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
                 radial-gradient(circle at 75% 70%, rgba(43, 33, 24, 0.15) 0%, transparent 45%);
      pointer-events: none;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 900;
      color: #fff;
      position: relative;
      z-index: 1;
      margin-bottom: 12px;
    }
    .cta-desc {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.92);
      max-width: 560px;
      margin: 0 auto 28px;
      position: relative;
      z-index: 1;
      line-height: 1.8;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      position: relative;
      z-index: 1;
      flex-wrap: wrap;
    }
    .cta-actions .btn-primary {
      background: var(--dark);
      color: #fff;
    }
    .cta-actions .btn-primary:hover {
      background: #3a2e22;
      color: #fff;
      box-shadow: 0 8px 28px rgba(43, 33, 24, 0.4);
    }
    .cta-actions .btn-outline {
      border-color: rgba(255, 255, 255, 0.8);
      color: #fff;
    }
    .cta-actions .btn-outline:hover {
      background: rgba(255, 255, 255, 0.2);
      border-color: #fff;
      color: #fff;
    }
    @media (max-width: 640px) {
      .cta-wrap {
        padding: 48px 24px;
        margin: 64px 0;
      }
      .cta-title {
        font-size: 24px;
      }
      .cta-actions {
        flex-direction: column;
      }
      .cta-actions .btn-primary,
      .cta-actions .btn-outline {
        width: 100%;
      }
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 24px;
      margin-top: 48px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand .brand-name {
      color: #fff;
    }
    .footer-brand .brand-icon {
      width: 36px;
      height: 36px;
      font-size: 16px;
    }
    .brand-desc {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
      margin-top: 16px;
      max-width: 320px;
    }
    .footer-col-title {
      font-size: 15px;
      color: #fff;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: color 0.25s ease, padding-left 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--gold-light);
      padding-left: 4px;
    }
    .footer-contact {
      list-style: none;
    }
    .footer-contact li {
      margin-bottom: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-contact i {
      color: var(--gold-light);
      width: 16px;
      text-align: center;
    }
    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }
    @media (max-width: 1023px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    /* ========== 复古元素 ========== */
    .vintage-divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 28px 0;
      color: var(--gold);
    }
    .vintage-divider::before,
    .vintage-divider::after {
      content: "";
      flex: 1;
      height: 1px;
      background: linear-gradient(to right, transparent, var(--line));
    }
    .vintage-divider::after {
      background: linear-gradient(to left, transparent, var(--line));
    }
    .stamp-badge {
      display: inline-block;
      transform: rotate(-3deg);
      border: 2px solid rgba(160, 92, 51, 0.5);
      border-radius: 8px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 700;
      color: rgba(160, 92, 51, 0.7);
      letter-spacing: 2px;
      background: rgba(250, 246, 239, 0.5);
      margin-bottom: 20px;
    }

    /* ========== 响应式导航 ========== */
    @media (max-width: 1023px) {
      .main-nav,
      .header-actions {
        display: none;
      }
      .menu-toggle {
        display: inline-flex;
        margin-left: auto;
      }
      .header-inner {
        gap: 12px;
      }
    }

    /* ========== 滚动条美化 ========== */
    ::-webkit-scrollbar {
      width: 10px;
    }
    ::-webkit-scrollbar-track {
      background: var(--sand);
    }
    ::-webkit-scrollbar-thumb {
      background: var(--line);
      border-radius: 8px;
      border: 2px solid var(--sand);
    }
    ::-webkit-scrollbar-thumb:hover {
      background: var(--gold);
    }

/* roulang page: category3 */
:root {
    --gold: #C8920E;
    --gold-light: #E0AC2A;
    --terra: #A05C33;
    --bg-warm: #FAF6EF;
    --bg-alt: #F1E6D3;
    --bg-dark: #2B2118;
    --text-main: #2A2119;
    --text-secondary: #6B5F52;
    --border: #E2D6C5;
    --link: #9C6D1D;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: 'Noto Serif SC', system-ui, sans-serif;
    background-color: var(--bg-warm);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 15px;
  }
  h1,h2,h3,h4,.font-display {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
  }
  .container-main {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  @media (max-width: 768px) {
    .container-main {
      padding-left: 16px;
      padding-right: 16px;
    }
  }
  a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.2s;
  }
  a:hover {
    color: var(--gold);
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 246, 239, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(226, 214, 197, 0.7);
    box-shadow: 0 2px 12px rgba(160, 92, 51, 0.04);
    transition: box-shadow 0.3s;
  }
  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(160, 92, 51, 0.10);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(200, 146, 14, 0.35);
  }
  .brand-name {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--text-main);
    letter-spacing: 0.5px;
    line-height: 1.2;
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    flex: 1;
    justify-content: center;
  }
  .nav-item {
    display: inline-block;
    padding: 8px 16px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    border-radius: 999px;
    transition: all 0.2s;
    white-space: nowrap;
    position: relative;
  }
  .nav-item:hover {
    color: var(--gold);
    background: rgba(200, 146, 14, 0.08);
  }
  .nav-item.active {
    color: var(--gold);
    background: rgba(200, 146, 14, 0.12);
    font-weight: 700;
  }
  .nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--gold-light), var(--terra));
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .search-box {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    gap: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 180px;
  }
  .search-box:focus-within {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(200, 146, 14, 0.12);
  }
  .search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    width: 100%;
    color: var(--text-main);
    font-family: inherit;
  }
  .search-box i {
    color: var(--text-secondary);
    font-size: 14px;
  }
  .btn-login {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 14px;
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 999px;
    transition: background 0.2s;
    white-space: nowrap;
  }
  .btn-login:hover {
    background: rgba(200, 146, 14, 0.08);
    color: var(--gold);
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 14px;
    padding: 9px 22px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(200, 146, 14, 0.3);
    transition: all 0.25s;
    white-space: nowrap;
  }
  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(200, 146, 14, 0.4);
    color: #fff;
  }
  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(200, 146, 14, 0.3);
  }
  .btn-primary.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
  }
  .menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    border-radius: 8px;
    flex-shrink: 0;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s;
  }
  .mobile-menu {
    display: none;
    background: var(--bg-warm);
    border-top: 1px solid var(--border);
    padding: 12px 24px 16px;
  }
  .mobile-menu.open {
    display: block;
  }
  .mobile-nav-item {
    display: block;
    padding: 10px 12px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 15px;
    color: var(--text-main);
    border-radius: 10px;
    border-bottom: 1px solid rgba(226, 214, 197, 0.5);
  }
  .mobile-nav-item:hover {
    background: rgba(200, 146, 14, 0.06);
    color: var(--gold);
  }
  .mobile-nav-item.active {
    color: var(--gold);
    font-weight: 700;
    background: rgba(200, 146, 14, 0.08);
  }

  /* Hero */
  .hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 96px 0 80px;
    overflow: hidden;
  }
  .hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(246,215,139,0.92), rgba(200,146,14,0.88), rgba(160,92,51,0.92));
    z-index: 1;
  }
  .hero-section::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.25), transparent 70%);
    z-index: 2;
    pointer-events: none;
  }
  .hero-content {
    position: relative;
    z-index: 3;
    max-width: 720px;
    width: 100%;
  }
  .hero-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.35);
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 24px;
    letter-spacing: 1px;
  }
  .hero-section h1 {
    font-size: 52px;
    line-height: 1.2;
    color: #fff;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 0 2px 20px rgba(43,33,24,0.2);
  }
  .hero-sub {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255,255,255,0.95);
    margin-bottom: 32px;
    max-width: 600px;
  }
  .hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }
  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fff;
    color: var(--terra);
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 16px;
    padding: 12px 32px;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(43,33,24,0.15);
    transition: all 0.25s;
    border: none;
    cursor: pointer;
  }
  .btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(43,33,24,0.2);
    color: var(--gold);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 600;
    font-size: 16px;
    padding: 12px 32px;
    border-radius: 999px;
    border: 2px solid rgba(255,255,255,0.7);
    transition: all 0.25s;
    cursor: pointer;
  }
  .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
  }
  .hero-badges {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 8px;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(43,33,24,0.5);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    padding: 10px 20px;
    border-radius: 999px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 14px;
  }
  .hero-badge strong {
    font-size: 22px;
    font-weight: 900;
    color: #F6D78B;
  }
  .scroll-down {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 20px;
    z-index: 4;
    animation: bounceDown 2s infinite;
  }
  @keyframes bounceDown {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
  }

  /* Section */
  .section {
    padding: 96px 0;
  }
  @media (max-width: 768px) {
    .section {
      padding: 64px 0;
    }
  }
  .section-alt {
    background: var(--bg-alt);
  }
  .section-dark {
    background: var(--bg-dark);
    color: #fff;
  }
  .section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
  }
  .section-tag {
    display: inline-block;
    background: rgba(200,146,14,0.12);
    color: var(--gold);
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .section-head h2 {
    font-size: 32px;
    color: var(--text-main);
    margin-bottom: 14px;
    line-height: 1.3;
  }
  .section-dark .section-head h2 {
    color: #fff;
  }
  .section-head p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
  }
  .section-dark .section-head p {
    color: rgba(255,255,255,0.75);
  }

  /* Model Cards */
  .model-grid {
    display: grid;
    grid-template-columns: 1fr 1.12fr 1fr;
    gap: 24px;
    align-items: center;
  }
  @media (max-width: 1023px) {
    .model-grid {
      grid-template-columns: 1fr 1fr;
    }
    .model-card.featured {
      grid-column: 1 / -1;
      order: -1;
    }
  }
  @media (max-width: 640px) {
    .model-grid {
      grid-template-columns: 1fr;
    }
    .model-card.featured {
      grid-column: auto;
      order: 0;
    }
  }
  .model-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(160,92,51,0.06);
    padding: 32px 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .model-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(160,92,51,0.14);
  }
  .model-card.featured {
    background: linear-gradient(160deg, #2B2118, #4A3525);
    color: #fff;
    border-color: rgba(200,146,14,0.4);
    box-shadow: 0 12px 36px rgba(43,33,24,0.25);
    padding: 42px 32px;
    transform: scale(1.02);
    z-index: 1;
  }
  .model-card.featured:hover {
    transform: scale(1.02) translateY(-6px);
    box-shadow: 0 18px 40px rgba(43,33,24,0.3);
  }
  .model-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #F6D78B, #C8920E, #A05C33);
  }
  .model-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(200,146,14,0.25);
  }
  .model-card.featured .model-icon {
    background: rgba(255,255,255,0.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }
  .model-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-main);
  }
  .model-card.featured h3 {
    color: #fff;
    font-size: 22px;
  }
  .model-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 20px;
  }
  .model-card.featured p {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
  }
  .model-link {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--gold);
  }
  .model-card.featured .model-link {
    color: #F6D78B;
  }
  .model-link i {
    margin-left: 4px;
    transition: transform 0.2s;
  }
  .model-link:hover i {
    transform: translateX(4px);
  }

  /* Stats Dark */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 64px;
  }
  @media (max-width: 768px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
  }
  .stat-item {
    text-align: center;
    padding: 28px 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    transition: background 0.3s, border-color 0.3s;
  }
  .stat-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(200,146,14,0.3);
  }
  .stat-item .stat-num {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: #F6D78B;
    line-height: 1.2;
  }
  .stat-item .stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-top: 8px;
  }
  .benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
  }
  @media (max-width: 768px) {
    .benefits-grid {
      grid-template-columns: 1fr;
    }
  }
  .benefit-item {
    display: flex;
    gap: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s;
  }
  .benefit-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(200,146,14,0.3);
    transform: translateX(4px);
  }
  .benefit-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #F6D78B, #C8920E);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    flex-shrink: 0;
  }
  .benefit-item h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 6px;
  }
  .benefit-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.65;
  }

  /* Split layout */
  .split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
  @media (max-width: 768px) {
    .split-layout {
      grid-template-columns: 1fr;
      gap: 36px;
    }
  }
  .split-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(160,92,51,0.12);
    border: 1px solid var(--border);
    position: relative;
  }
  .split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 4 / 3;
  }
  .split-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-main);
  }
  .split-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 20px;
  }
  .scene-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
  }
  .scene-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: var(--text-main);
    border-bottom: 1px solid rgba(226,214,197,0.5);
  }
  .scene-list li:last-child {
    border-bottom: none;
  }
  .scene-list li i {
    color: var(--gold);
    font-size: 16px;
    margin-top: 4px;
    flex-shrink: 0;
  }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 600;
    font-size: 15px;
    padding: 10px 28px;
    border-radius: 999px;
    transition: all 0.25s;
    cursor: pointer;
  }
  .btn-secondary:hover {
    background: var(--gold);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(200,146,14,0.25);
  }

  /* Steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    counter-reset: step;
  }
  @media (max-width: 1023px) {
    .steps-grid {
      grid-template-columns: repeat(3, 1fr);
      row-gap: 32px;
    }
  }
  @media (max-width: 640px) {
    .steps-grid {
      grid-template-columns: 1fr;
    }
  }
  .step-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
  }
  .step-card:hover {
    box-shadow: 0 8px 24px rgba(160,92,51,0.12);
    transform: translateY(-4px);
  }
  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #F6D78B, #C8920E);
    color: #fff;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 900;
    font-size: 16px;
    margin-bottom: 14px;
  }
  .step-card h4 {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 8px;
  }
  .step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* FAQ */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: box-shadow 0.3s, border-color 0.3s;
  }
  .faq-item.open {
    border-color: var(--gold);
    box-shadow: 0 6px 20px rgba(200,146,14,0.1);
  }
  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
    gap: 16px;
  }
  .faq-q .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(200,146,14,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
  }
  .faq-q .faq-icon i {
    font-size: 12px;
    color: var(--gold);
    transition: transform 0.3s;
  }
  .faq-item.open .faq-icon {
    background: var(--gold);
  }
  .faq-item.open .faq-icon i {
    transform: rotate(45deg);
    color: #fff;
  }
  .faq-a {
    display: none;
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
  }
  .faq-item.open .faq-a {
    display: block;
  }

  /* CTA */
  .cta-card {
    background: linear-gradient(135deg, #F6D78B, #C8920E, #A05C33);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
  }
  .cta-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
  }
  .cta-card h2 {
    font-size: 32px;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
  }
  .cta-card p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
  }
  .cta-card .btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--terra);
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 16px;
    padding: 12px 36px;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(43,33,24,0.15);
    transition: all 0.25s;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1;
  }
  .cta-card .btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(43,33,24,0.25);
    color: var(--gold);
  }

  /* Footer */
  .site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 0;
    margin-top: 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  @media (max-width: 1023px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }
  .footer-brand .brand-name {
    color: #fff;
    font-size: 22px;
  }
  .footer-brand .brand-icon {
    width: 42px;
    height: 42px;
    font-size: 20px;
  }
  .brand-desc {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
    max-width: 320px;
  }
  .footer-col-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
  }
  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-links li {
    margin-bottom: 10px;
  }
  .footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: color 0.2s, padding-left 0.2s;
  }
  .footer-links a:hover {
    color: #F6D78B;
    padding-left: 4px;
  }
  .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-contact li {
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
  }
  .footer-contact li i {
    width: 20px;
    color: var(--gold-light);
    margin-right: 8px;
  }
  .footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
  }

  /* Floating bar */
  .floating-bar {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    z-index: 90;
    background: rgba(43,33,24,0.92);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    max-width: 640px;
    width: auto;
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.4s ease;
  }
  .floating-bar.show {
    transform: translateX(-50%) translateY(0);
  }
  .floating-bar .fb-text {
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
  }
  .floating-bar .fb-text span {
    color: #F6D78B;
    font-weight: 700;
  }
  .floating-bar .btn-primary {
    padding: 8px 20px;
    font-size: 14px;
  }
  .floating-bar .fb-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.2s;
  }
  .floating-bar .fb-close:hover {
    color: #fff;
  }
  @media (max-width: 640px) {
    .floating-bar {
      bottom: 16px;
      padding: 10px 16px;
      gap: 12px;
      max-width: calc(100vw - 32px);
    }
    .floating-bar .fb-text {
      font-size: 13px;
    }
    .floating-bar .btn-primary {
      padding: 7px 14px;
      font-size: 13px;
    }
  }

  /* Responsive Nav */
  @media (max-width: 1023px) {
    .main-nav {
      display: none;
    }
    .header-actions .search-box {
      display: none;
    }
    .header-actions .btn-login {
      display: none;
    }
    .menu-toggle {
      display: flex;
    }
  }
  @media (max-width: 640px) {
    .header-actions .btn-primary {
      display: none;
    }
    .header-inner {
      height: 60px;
    }
    .brand-name {
      font-size: 18px;
    }
    .hero-section {
      min-height: auto;
      padding: 72px 0 80px;
    }
    .hero-section h1 {
      font-size: 32px;
    }
    .hero-sub {
      font-size: 15px;
    }
    .hero-cta {
      flex-direction: column;
    }
    .hero-cta .btn-gold,
    .hero-cta .btn-outline {
      width: 100%;
    }
    .hero-badges {
      flex-direction: column;
      gap: 8px;
    }
    .hero-badge {
      justify-content: center;
    }
    .section-head h2 {
      font-size: 24px;
    }
    .cta-card {
      padding: 48px 24px;
    }
    .cta-card h2 {
      font-size: 24px;
    }
  }
