/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #0E7C5B;
  --primary-dark: #0A6045;
  --accent: #F28C38;
  --accent-dark: #D97420;
  --bg: #F7F4EE;
  --card-bg: #FFFFFF;
  --text: #18211E;
  --text-light: #5C6B65;
  --border: #E5DFD4;
  --hero-overlay: rgba(14, 42, 34, 0.62);
  --radius-lg: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 2px 8px rgba(24, 33, 30, 0.06);
  --shadow-hover: 0 8px 24px rgba(24, 33, 30, 0.10);
  --spacer: 96px;
  --container: 1200px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 44px;
  text-align: center;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

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

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

.btn-outline:hover {
  background: rgba(14, 124, 91, 0.10);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.btn-accent:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========== 双层导航 ========== */
.site-header {
  position: relative;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.header-top {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.brand-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0 8px 0 16px;
  height: 38px;
  width: 260px;
  transition: border-color 0.25s;
}

.search-box:focus-within {
  border-color: var(--primary);
  background: #fff;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 14px;
  color: var(--text);
}

.search-box input::placeholder {
  color: #9aa5a0;
}

.search-box i {
  color: var(--primary);
  font-size: 14px;
}

.search-box button {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 6px;
  color: var(--primary);
  font-size: 14px;
}

.header-login-btn {
  height: 38px;
  line-height: 38px;
  padding: 0 20px;
  font-size: 14px;
}

.header-login-btn i {
  font-size: 13px;
}

.channel-nav {
  border-top: 1px solid var(--border);
  background: #fff;
}

.channel-scroll {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 4px;
  height: 44px;
  align-items: center;
}

.channel-scroll::-webkit-scrollbar {
  display: none;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  height: 34px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  white-space: nowrap;
  transition: all 0.25s;
}

.channel-link:hover {
  color: var(--primary);
  background: rgba(14, 124, 91, 0.08);
}

.channel-link.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.channel-link.active:hover {
  background: var(--primary-dark);
  color: #fff;
}

/* ========== Hero 首屏 ========== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding: 96px 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-badge i {
  color: var(--accent);
}

.hero h1 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 14px;
  max-width: 520px;
}

.hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 32px;
  max-width: 540px;
}

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

.hero-actions .btn {
  min-width: 150px;
}

/* ========== 通用板块 ========== */
.section {
  padding: var(--spacer) 0;
}

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

.section-alt {
  background: #fff;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.section-head h2::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -20px;
  width: 40px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.section-head p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-light);
}

.section-title-left {
  text-align: left;
  margin: 0 0 40px;
  max-width: none;
}

.section-title-left h2::before {
  left: 0;
  transform: none;
}

/* ========== 服务卡片 四列 ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 124, 91, 0.4);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(14, 124, 91, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: background 0.3s, color 0.3s;
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: #fff;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
  margin-bottom: 20px;
  min-height: 56px;
}

.service-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s;
}

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

/* ========== 优势数据区 ========== */
.stats-section {
  position: relative;
  background: linear-gradient(135deg, #0B2E24 0%, #0E7C5B 100%);
  padding: 80px 0;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  opacity: 0.14;
}

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

.stat-item {
  text-align: center;
  padding: 24px 16px;
}

.stat-number {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
}

.stat-line {
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 auto 14px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 1px;
}

/* ========== 案例区 两列大图 ========== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

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

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

.case-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f0ede6;
}

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

.case-card:hover .case-thumb img {
  transform: scale(1.04);
}

.case-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  z-index: 2;
}

.case-body {
  padding: 28px 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.case-body p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
}

.case-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

/* ========== 方案区 双列 ========== */
.solution-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.solution-left h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text);
  position: relative;
  padding-left: 20px;
}

.solution-left h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.solution-left p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}

.solution-steps {
  position: relative;
}

.solution-steps::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: var(--border);
}

.step-item {
  position: relative;
  padding: 0 0 40px 76px;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(14, 124, 91, 0.10);
  color: var(--primary);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.step-item p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== 最新信息区 ========== */
.news-section {
  background: var(--bg);
}

.news-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 20px;
  transition: box-shadow 0.3s, border-color 0.3s;
}

.post-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 124, 91, 0.3);
}

.post-thumb {
  width: 200px;
  height: 150px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #f0ede6;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}

.post-card:hover .post-thumb img {
  transform: scale(1.05);
}

.post-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-light);
}

.post-meta .tag {
  background: rgba(242, 140, 56, 0.12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--radius-pill);
}

.post-meta .tag-green {
  background: rgba(14, 124, 91, 0.10);
  color: var(--primary);
}

.post-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-title a {
  color: inherit;
}

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

.post-excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  margin-bottom: 10px;
}

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

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

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.side-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.side-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
  position: relative;
  padding-left: 14px;
}

.side-card h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hot-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  transition: all 0.25s;
}

.hot-tag:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(14, 124, 91, 0.06);
}

.hot-tag i {
  color: var(--accent);
  font-size: 12px;
}

/* 空状态 */
.empty-state {
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 24px;
  text-align: center;
  color: var(--text-light);
  font-size: 15px;
}

.empty-state::before {
  content: '\f1ea';
  font-family: 'Font Awesome 6 Free';
  font-weight: 400;
  display: block;
  font-size: 36px;
  color: #c9c1b4;
  margin-bottom: 16px;
}

/* ========== FAQ 手风琴 ========== */
.faq-section {
  background: #fff;
  border-top: 1px solid var(--border);
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion {
  border: none;
  background: transparent;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.accordion-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.accordion-item.is-active {
  box-shadow: var(--shadow);
  border-left: 3px solid var(--primary);
}

.accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 12px;
  line-height: 1.5;
}

.accordion-title:hover,
.accordion-title:focus {
  background: transparent;
  color: var(--primary);
}

.accordion-title::after {
  content: '\002B';
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: auto;
}

.accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
}

.accordion-content {
  background: transparent;
  border: none;
  padding: 0 20px 20px 20px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.75;
}

/* ========== 联系 CTA 区 ========== */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 96px 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14, 42, 34, 0.90), rgba(14, 124, 91, 0.82));
}

.cta-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.cta-info h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
}

.cta-info > p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  line-height: 1.4;
}

.contact-item p {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  line-height: 1.5;
}

.cta-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-hover);
}

.cta-form-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.cta-form-card > p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-group textarea {
  height: 120px;
  padding: 12px 14px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #12221D;
  color: rgba(255, 255, 255, 0.72);
  padding-top: 72px;
}

.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);
}

.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand h3 span {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.60);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  transition: color 0.25s, padding-left 0.25s;
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}

.footer-contact li i {
  color: var(--accent);
  width: 16px;
  margin-top: 3px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
}

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

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

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

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

  .news-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --spacer: 64px;
  }

  .header-top {
    height: 58px;
    gap: 8px;
  }

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

  .search-box {
    display: none;
  }

  .header-search-mobile {
    display: inline-flex;
  }

  .hero {
    min-height: 480px;
    padding: 64px 0;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-desc {
    font-size: 14px;
  }

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

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

  .post-card {
    flex-direction: column;
  }

  .post-thumb {
    width: 100%;
    height: 180px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 520px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .cta-form-card {
    padding: 24px;
  }

  .solution-steps::before {
    left: 20px;
  }

  .step-num {
    width: 42px;
    height: 42px;
    font-size: 16px;
    border-radius: 12px;
  }

  .step-item {
    padding-left: 64px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E7C5B;
  --primary-dark: #0A6045;
  --primary-light: #E8F5F0;
  --accent: #F28C38;
  --accent-dark: #D97420;
  --bg: #F7F4EE;
  --card-bg: #FFFFFF;
  --text: #18211E;
  --text-secondary: #5C6B65;
  --border: #E5DFD4;
  --hero-overlay: rgba(14,42,34,0.62);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(24,33,30,0.06);
  --shadow-hover: 0 8px 24px rgba(24,33,30,0.10);
  --spacing-section: 96px;
  --spacing-section-mobile: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
ul { margin: 0; padding: 0; list-style: none; }

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: var(--primary);
  color: #fff !important;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(1px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-accent {
  background: var(--accent);
  color: #fff !important;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(1px);
  box-shadow: 0 6px 18px rgba(242,140,56,.3);
}
.btn-accent:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  color: var(--primary) !important;
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(14,124,91,.08);
  color: var(--primary-dark) !important;
  border-color: var(--primary-dark);
}
.btn-white-outline {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255,255,255,.8);
}
.btn-white-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff !important;
}
.btn-light {
  background: #fff;
  color: var(--primary) !important;
  border-color: #fff;
}
.btn-light:hover {
  background: rgba(255,255,255,.9);
  color: var(--primary-dark) !important;
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(14,124,91,.16);
  line-height: 1.4;
}
.tag-accent {
  background: rgba(242,140,56,.1);
  color: var(--accent-dark);
  border-color: rgba(242,140,56,.22);
}

/* ===== 双层导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(24,33,30,.04);
  position: relative;
  z-index: 50;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 38px;
  padding: 0 6px 0 14px;
  gap: 8px;
  transition: border-color .2s, box-shadow .2s;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,124,91,.12);
}
.search-box i {
  color: var(--text-secondary);
  font-size: 13px;
}
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  width: 180px;
  color: var(--text);
}
.search-box input::placeholder { color: #9aa5a0; }
.search-box button {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.search-box button:hover { background: var(--primary-dark); }
.header-login-btn { height: 38px; padding: 0 18px; font-size: 14px; }

.channel-nav {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.channel-scroll {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 6px 0;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link {
  padding: 6px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: all .2s ease;
  line-height: 1.6;
}
.channel-link:hover {
  color: var(--primary);
  background: rgba(14,124,91,.08);
}
.channel-link.active {
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
}

/* ===== 分类页 Banner ===== */
.page-banner {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 96px 0 88px;
  text-align: center;
  isolation: isolate;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
  z-index: -1;
}
.page-banner .banner-badge {
  display: inline-block;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.28);
  color: #fff;
  font-size: 13px;
  padding: 5px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
  letter-spacing: 1px;
}
.page-banner h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
  max-width: 720px;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.page-banner .banner-lead {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255,255,255,.92);
  max-width: 560px;
  margin: 0 auto 32px;
}
.page-banner .banner-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 区块通用标题 ===== */
.section-pad { padding: var(--spacing-section) 0; }
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .eyebrow {
  display: block;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 14px;
  position: relative;
  display: inline-block;
}
.section-head h2::before {
  content: "";
  width: 4px;
  height: 22px;
  background: var(--primary);
  border-radius: 4px;
  display: inline-block;
  margin-right: 12px;
  vertical-align: -3px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ===== 服务概览 ===== */
.service-intro {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.intro-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  transition: box-shadow .3s, transform .3s;
}
.intro-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.intro-card .intro-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
}
.intro-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}
.intro-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* ===== 服务条目 ===== */
.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}
.service-item:last-child { border-bottom: none; }
.service-item .item-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.service-item .item-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .5s ease;
}
.service-item .item-media:hover img {
  transform: scale(1.03);
}
.service-item .item-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,42,34,.18));
  pointer-events: none;
}
.service-item .item-content { padding: 16px 0; }
.service-item .item-no {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}
.service-item .item-content h3 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 14px;
  line-height: 1.4;
}
.service-item .item-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
}
.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.item-link {
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
}
.item-link i { transition: transform .2s; }
.item-link:hover i { transform: translateX(4px); }
.service-item:nth-child(even) .item-media { order: 2; }
.service-item:nth-child(even) .item-content { order: 1; }

/* ===== 数据区 ===== */
.service-data {
  background: linear-gradient(135deg, #0A2E24 0%, #0E7C5B 100%);
  padding: 80px 0;
  color: #fff;
}
.service-data .data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.data-item { padding: 16px 8px; }
.data-item .data-number {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}
.data-item .data-line {
  width: 24px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
  margin: 14px auto;
}
.data-item .data-label {
  font-size: 15px;
  color: rgba(255,255,255,.85);
  line-height: 1.5;
}

/* ===== 服务流程 ===== */
.service-process {
  background: var(--card-bg);
}
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.process-left h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.35;
}
.process-left h2::before {
  content: "";
  width: 4px;
  height: 22px;
  background: var(--primary);
  border-radius: 4px;
  display: inline-block;
  margin-right: 12px;
  vertical-align: -3px;
}
.process-left p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}
.process-steps {
  position: relative;
  padding-left: 68px;
}
.process-steps::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}
.process-step {
  position: relative;
  margin-bottom: 32px;
}
.process-step:last-child { margin-bottom: 0; }
.process-step .step-no {
  position: absolute;
  left: -68px;
  top: 0;
  width: 46px;
  height: 46px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ===== FAQ 手风琴 ===== */
.service-faq { background: var(--bg); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion { background: transparent !important; margin: 0; }
.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color .3s, box-shadow .3s;
}
.accordion-item.is-active {
  border-color: var(--primary) !important;
  box-shadow: 0 4px 16px rgba(14,124,91,.08);
  border-left: 3px solid var(--primary) !important;
}
.accordion-title {
  padding: 20px 54px 20px 24px;
  font-size: 17px !important;
  font-weight: 600;
  color: var(--text) !important;
  position: relative;
  line-height: 1.5;
}
.accordion-title::before {
  content: "\e107";
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform .3s;
}
.accordion-item.is-active .accordion-title::before {
  transform: translateY(-50%) rotate(180deg);
  background: var(--primary);
  color: #fff;
}
.accordion-title:hover { color: var(--primary) !important; }
.accordion-content {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: var(--card-bg) !important;
}
.accordion-content p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ===== CTA 区 ===== */
.service-cta {
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position: relative;
  padding: 88px 0;
  text-align: center;
  isolation: isolate;
}
.service-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14,42,34,.78);
  z-index: -1;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #10241E;
  color: rgba(255,255,255,.76);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand h3 {
  font-size: 18px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
}
.footer-brand h3 span {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
  margin: 0;
}
.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin: 0 0 16px;
  font-weight: 700;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  transition: all .2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-col .footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.65);
}
.footer-col .footer-contact i {
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.48);
}
.footer-bottom a {
  color: rgba(255,255,255,.48);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .service-item { gap: 36px; margin: 0 8px; }
  .process-grid { gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 768px) {
  :root { --spacing-section: 64px; }
  .header-top { height: auto; padding: 12px 0; flex-wrap: wrap; gap: 10px; }
  .header-tools { width: 100%; justify-content: space-between; }
  .search-box { flex: 1; max-width: 320px; }
  .search-box input { width: 100%; }
  .page-banner { padding: 68px 0 56px; }
  .page-banner h1 { font-size: 30px; line-height: 1.3; }
  .page-banner .banner-lead { font-size: 16px; }
  .section-head h2 { font-size: 26px; }
  .intro-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-item { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .service-item:nth-child(even) .item-media { order: 0; }
  .service-item:nth-child(even) .item-content { order: 0; }
  .service-item .item-media img { aspect-ratio: 16/10; }
  .service-data .data-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .data-item .data-number { font-size: 34px; }
  .process-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media screen and (max-width: 520px) {
  .channel-link { padding: 6px 14px; font-size: 14px; }
  .brand-text { font-size: 17px; }
  .header-login-btn { padding: 0 14px; font-size: 13px; }
  .search-box { display: none; }
  .header-tools { gap: 8px; }
  .btn { height: 40px; padding: 0 18px; font-size: 14px; }
  .page-banner h1 { font-size: 26px; }
  .service-item .item-content h3 { font-size: 21px; }
  .service-data .data-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .data-item { padding: 8px 4px; }
  .data-item .data-number { font-size: 30px; }
  .data-item .data-label { font-size: 13px; }
  .accordion-title { font-size: 15px !important; padding: 16px 46px 16px 16px; }
  .accordion-content { padding: 0 16px 18px; }
}

/* roulang page: article */
:root {
            --primary: #0E7C5B;
            --primary-dark: #0A6045;
            --primary-light: #E6F4EF;
            --accent: #F28C38;
            --accent-dark: #D97420;
            --bg: #F7F4EE;
            --card: #FFFFFF;
            --text: #18211E;
            --muted: #5C6B65;
            --border: #E5DFD4;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow: 0 2px 8px rgba(24, 33, 30, 0.06);
            --shadow-hover: 0 8px 24px rgba(24, 33, 30, 0.10);
            --container: 1200px;
        }

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

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }

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

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

        /* 顶部双层导航 */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: nowrap;
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 4px 4px 4px 14px;
            height: 40px;
            width: 280px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.15);
        }

        .search-box i {
            color: var(--muted);
            font-size: 13px;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            margin-left: 8px;
            font-size: 14px;
            color: var(--text);
        }

        .search-box button {
            border: none;
            background: var(--primary);
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            transition: background 0.2s;
            flex-shrink: 0;
        }

        .search-box button:hover {
            background: var(--primary-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(1px);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--accent);
        }

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

        .btn-outline:hover {
            background: rgba(14, 124, 91, 0.08);
            color: var(--primary-dark);
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(1px);
        }

        .btn-accent:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .header-login-btn {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .channel-nav {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .channel-scroll {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            padding: 6px 0;
            min-height: 44px;
            align-items: center;
        }

        .channel-scroll::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            flex-shrink: 0;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            transition: all 0.2s;
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .channel-link.active {
            background: var(--primary);
            color: #fff;
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            background: var(--bg);
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color 0.2s;
        }

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

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

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 480px;
        }

        /* 文章主体 */
        .article-section {
            padding: 56px 0 32px;
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow);
            max-width: 1000px;
            margin: 0 auto;
        }

        .article-title {
            font-size: 36px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 24px;
            letter-spacing: -0.3px;
        }

        .article-meta {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 28px;
        }

        .meta-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .meta-label {
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 1px;
        }

        .meta-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
        }

        .article-lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--muted);
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: 32px;
            font-weight: 500;
        }

        .article-content {
            max-width: 800px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.75;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 32px 0 12px;
            line-height: 1.5;
        }

        .article-content p {
            margin-bottom: 24px;
            color: var(--text);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 20px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #FFF8F0;
            padding: 14px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--muted);
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
            border: 1px solid var(--border);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border);
            font-size: 14px;
        }

        .article-content th {
            background: var(--primary-light);
            color: var(--text);
            font-weight: 700;
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            color: var(--muted);
        }

        .article-content tr:nth-child(even) td {
            background: #FBF9F5;
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(14, 124, 91, 0.3);
        }

        .article-content a:hover {
            color: var(--accent);
            border-color: rgba(242, 140, 56, 0.4);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px dashed var(--border);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-pill);
            transition: all 0.2s;
        }

        .tag:hover {
            background: var(--accent);
            color: #fff;
        }

        .not-found {
            text-align: center;
            padding: 56px 20px;
        }

        .not-found i {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 16px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 24px;
        }

        /* 上下篇 */
        .prev-next-wrap {
            max-width: 1000px;
            margin: 24px auto 0;
        }

        .pn-card {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: all 0.2s;
        }

        .pn-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .pn-label {
            font-size: 12px;
            color: var(--muted);
        }

        .pn-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
        }

        .back-news {
            text-align: center;
            margin: 32px 0 0;
        }

        /* 相关推荐 */
        .related-section {
            padding: 64px 0 16px;
        }

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

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            position: relative;
            padding-left: 14px;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-head .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
        }

        .section-head .more-link i {
            margin-left: 4px;
            transition: transform 0.2s;
        }

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

        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(14, 124, 91, 0.3);
        }

        .related-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
        }

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

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

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

        .related-cat {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: #FFF4EA;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .related-body h3 a {
            color: var(--text);
        }

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

        .related-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .related-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .related-link i {
            margin-left: 4px;
            transition: transform 0.2s;
        }

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

        /* CTA 区块 */
        .cta-section {
            padding: 64px 0 96px;
        }

        .cta-box {
            background: linear-gradient(135deg, #0A6045 0%, #0E7C5B 55%, #128366 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #fff;
            overflow: hidden;
            position: relative;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .cta-actions .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .cta-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* 页脚 */
        .site-footer {
            background: #0D1B17;
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 0;
        }

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

        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            color: #fff;
        }

        .footer-brand h3 span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            color: #fff;
            font-size: 17px;
            font-weight: 800;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.6);
        }

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

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

        .footer-col li {
            margin-bottom: 12px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            justify-content: center;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .article-card {
                padding: 40px 36px;
            }

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

            .cta-box {
                flex-direction: column;
                padding: 40px 28px;
                align-items: flex-start;
            }

            .cta-actions {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 768px) {
            .header-tools .search-box {
                display: none;
            }

            .breadcrumb .current {
                max-width: 240px;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: 12px;
            }

            .article-title {
                font-size: 26px;
                line-height: 1.4;
            }

            .article-meta {
                grid-template-columns: 1fr 1fr;
                padding: 14px 16px;
            }

            .article-lead {
                font-size: 15px;
                padding: 14px 16px;
            }

            .article-content h2 {
                font-size: 22px;
            }

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

            .section-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 12px;
            }

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

            .cta-section {
                padding: 48px 0 64px;
            }
        }

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

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

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 17px;
                border-radius: 8px;
            }

            .header-login-btn {
                height: 38px;
                padding: 0 14px;
                font-size: 13px;
            }

            .channel-link {
                padding: 7px 14px;
                font-size: 13px;
            }

            .article-section {
                padding: 32px 0 20px;
            }

            .article-card {
                padding: 24px 16px;
            }

            .article-title {
                font-size: 22px;
            }

            .article-meta {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }

            .related-section {
                padding: 40px 0 12px;
            }

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

            .footer-bottom {
                gap: 12px;
                flex-direction: column;
                text-align: center;
            }

            .cta-box {
                padding: 32px 20px;
            }

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

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

/* roulang page: category3 */
:root {
  --primary: #0E7C5B;
  --primary-dark: #0A6045;
  --accent: #F28C38;
  --accent-dark: #D97420;
  --bg: #F7F4EE;
  --card: #FFFFFF;
  --text: #18211E;
  --muted: #5C6B65;
  --border: #E5DFD4;
  --deep: #0E2A22;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 2px 8px rgba(24, 33, 30, 0.06);
  --shadow-hover: 0 8px 24px rgba(24, 33, 30, 0.10);
  --transition: all .2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(1px); }
.btn-primary:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(1px); }
.btn-accent:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: rgba(14, 124, 91, 0.1); color: var(--primary-dark); }
.text-center { text-align: center; }
.section-title { font-size: 28px; font-weight: 700; line-height: 38px; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.section-title::before { content: ''; display: inline-block; width: 4px; height: 22px; background: var(--primary); border-radius: 2px; flex-shrink: 0; }
.section-subtitle { font-size: 16px; color: var(--muted); margin-bottom: 40px; }

/* Header */
.site-header { background: #fff; position: relative; z-index: 100; }
.header-top { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; background: var(--primary); color: #fff; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; box-shadow: 0 4px 12px rgba(14, 124, 91, 0.25); }
.brand-text { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
.brand:hover .brand-text { color: var(--primary); }
.header-tools { display: flex; align-items: center; gap: 14px; }
.search-box { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 12px; height: 40px; gap: 8px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.12); }
.search-box i { color: var(--muted); font-size: 14px; }
.search-box input { border: none; outline: none; background: transparent; width: 160px; font-size: 14px; color: var(--text); }
.search-box input::placeholder { color: #A5B0AB; }
.search-box button { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 14px; padding: 4px; transition: var(--transition); }
.search-box button:hover { transform: translateX(3px); }
.header-login-btn { height: 38px; padding: 0 18px; font-size: 14px; }
.channel-nav { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.channel-scroll { display: flex; align-items: center; gap: 4px; padding: 7px 0; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link { display: inline-flex; align-items: center; padding: 7px 20px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 500; color: var(--muted); transition: var(--transition); white-space: nowrap; }
.channel-link:hover { background: rgba(14, 124, 91, 0.08); color: var(--primary); }
.channel-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.channel-link:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Page Banner */
.page-banner { position: relative; min-height: 380px; display: flex; align-items: center; background-size: cover; background-position: center; }
.banner-overlay { position: absolute; inset: 0; background: rgba(14, 42, 34, 0.65); }
.banner-content { position: relative; z-index: 2; padding: 72px 0; color: #fff; max-width: 680px; }
.banner-breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.75); margin-bottom: 18px; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(6px); padding: 6px 16px; border-radius: var(--radius-pill); }
.banner-breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.banner-breadcrumb a:hover { color: var(--accent); }
.banner-breadcrumb i { font-size: 12px; }
.banner-content h1 { font-size: 40px; font-weight: 800; line-height: 1.25; letter-spacing: 1px; margin-bottom: 18px; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3); }
.banner-content p { font-size: 18px; color: rgba(255, 255, 255, 0.88); line-height: 1.7; max-width: 560px; }

/* Stats Strip */
.stats-strip { background: var(--primary); padding: 40px 24px; position: relative; overflow: hidden; }
.stats-strip::after { content: ''; position: absolute; right: -120px; top: 50%; transform: translateY(-50%); width: 300px; height: 300px; border-radius: 50%; background: rgba(255, 255, 255, 0.04); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 8px 0; }
.stat-num { display: block; font-size: 44px; font-weight: 800; line-height: 1.2; color: #fff; font-variant-numeric: tabular-nums; }
.stat-label { display: block; margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.85); letter-spacing: 1px; }

/* News Section */
.news-section { padding: 96px 24px; }
.news-section .container { max-width: 1200px; }
.news-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.news-section-head .section-title { margin-bottom: 0; }
.news-section-head p { font-size: 15px; color: var(--muted); }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-card { display: flex; align-items: stretch; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.news-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); transform: translateY(-3px); }
.news-thumb { width: 200px; flex-shrink: 0; overflow: hidden; background: #eee; min-height: 150px; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { flex: 1; padding: 22px 24px; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; padding: 3px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; line-height: 1.6; }
.tag-primary { background: rgba(14, 124, 91, 0.1); color: var(--primary); }
.tag-accent { background: rgba(242, 140, 56, 0.12); color: var(--accent-dark); }
.tag-dark { background: rgba(14, 42, 34, 0.08); color: var(--deep); }
.news-date { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.news-date i { font-size: 12px; }
.news-body h3 { font-size: 18px; font-weight: 600; line-height: 1.45; margin-bottom: 8px; }
.news-body h3 a { color: var(--text); }
.news-body h3 a:hover { color: var(--primary); }
.news-body .news-summary { font-size: 14px; color: var(--muted); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); margin-top: auto; }
.news-link i { transition: transform .2s ease; }
.news-link:hover { color: var(--primary-dark); }
.news-link:hover i { transform: translateX(5px); }

/* Sidebar Widget */
.sidebar-widget { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; margin-bottom: 24px; box-shadow: var(--shadow); }
.sidebar-widget .widget-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.sidebar-widget .widget-title::before { content: ''; width: 4px; height: 18px; background: var(--primary); border-radius: 2px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { display: inline-block; padding: 6px 14px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; background: var(--bg); border: 1px solid var(--border); color: var(--muted); transition: var(--transition); }
.tag-cloud a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-1px); }
.recommend-list li { padding: 13px 0; border-bottom: 1px solid var(--border); }
.recommend-list li:last-child { border-bottom: none; padding-bottom: 0; }
.recommend-list a { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text); line-height: 1.5; }
.recommend-list a i { color: var(--accent); font-size: 12px; margin-top: 5px; flex-shrink: 0; }
.recommend-list a:hover { color: var(--primary); }
.help-card { background: linear-gradient(135deg, rgba(14, 124, 91, 0.04), rgba(242, 140, 56, 0.06)); border: 1px solid rgba(14, 124, 91, 0.15); border-radius: 12px; padding: 20px; margin-top: 16px; }
.help-card h4 { font-size: 15px; font-weight: 700; color: var(--deep); margin-bottom: 8px; }
.help-card p { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.help-card .btn { height: 34px; padding: 0 16px; font-size: 13px; }

/* Topic Section */
.topic-section { background: #fff; padding: 96px 24px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.topic-section .container { max-width: 1200px; }
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.topic-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; transition: var(--transition); }
.topic-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(14, 124, 91, 0.3); background: #fff; }
.topic-icon { width: 68px; height: 68px; background: rgba(14, 124, 91, 0.1); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 0 auto 18px; transition: var(--transition); }
.topic-card:hover .topic-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
.topic-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.topic-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* Subscribe CTA */
.subscribe-cta { padding: 96px 24px; }
.subscribe-cta .container { max-width: 1200px; }
.subscribe-box { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 20px; padding: 64px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.subscribe-box::before { content: ''; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); }
.subscribe-box::after { content: ''; position: absolute; left: -40px; bottom: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255, 255, 255, 0.05); }
.subscribe-box h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; letter-spacing: 1px; position: relative; z-index: 2; }
.subscribe-box p { font-size: 16px; color: rgba(255, 255, 255, 0.88); margin-bottom: 28px; position: relative; z-index: 2; }
.subscribe-form { display: flex; max-width: 500px; margin: 0 auto; gap: 10px; position: relative; z-index: 2; }
.subscribe-form input { flex: 1; height: 48px; border: none; border-radius: var(--radius-sm); padding: 0 18px; font-size: 15px; outline: none; transition: var(--transition); }
.subscribe-form input:focus { box-shadow: 0 0 0 3px rgba(242, 140, 56, 0.3); }
.subscribe-form .btn { height: 48px; background: var(--accent); color: #fff; font-size: 15px; }
.subscribe-form .btn:hover { background: var(--accent-dark); }
.subscribe-form .btn:focus { outline: 2px solid #fff; outline-offset: 2px; }
.subscribe-note { font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-top: 14px; position: relative; z-index: 2; }

/* FAQ Section */
.faq-section { padding: 96px 24px; }
.faq-section .container { max-width: 1200px; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion { border: none; background: transparent; margin: 0; }
.accordion-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.accordion-item:hover { border-color: rgba(14, 124, 91, 0.3); }
.accordion-item.is-active { border-color: var(--primary); box-shadow: var(--shadow); }
.accordion-title { font-size: 16px; font-weight: 600; color: var(--text); padding: 22px 24px; border-bottom: 1px solid transparent; position: relative; display: flex; align-items: center; gap: 12px; transition: var(--transition); }
.accordion-title::before { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; color: var(--primary); transition: transform .3s ease; flex-shrink: 0; }
.accordion-item.is-active .accordion-title { color: var(--primary); border-bottom-color: var(--border); }
.accordion-item.is-active .accordion-title::before { transform: rotate(180deg); }
.accordion-title:hover { background: rgba(14, 124, 91, 0.03); color: var(--primary); }
.accordion-content { padding: 18px 24px 22px; color: var(--muted); font-size: 15px; line-height: 1.8; background: #fefefe; }

/* Footer */
.site-footer { background: var(--deep); color: rgba(255, 255, 255, 0.75); padding: 64px 24px 0; margin-top: 0; }
.site-footer .container { max-width: 1200px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand h3 { color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 span { width: 36px; height: 36px; background: var(--primary); border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 20px; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; display: block; width: 28px; height: 3px; background: var(--accent); border-radius: 2px; margin-top: 8px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.6); display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 12px; }
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding: 20px 0; font-size: 13px; color: rgba(255, 255, 255, 0.45); }
.footer-bottom a { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .news-card { flex-direction: row; }
}
@media (max-width: 768px) {
  .header-top { height: auto; min-height: 64px; flex-wrap: wrap; padding: 12px 0; gap: 10px; }
  .search-box { display: none; }
  .banner-content h1 { font-size: 30px; line-height: 1.3; }
  .banner-content p { font-size: 16px; }
  .page-banner { min-height: auto; }
  .news-card { flex-direction: column; }
  .news-thumb { width: 100%; height: 160px; }
  .news-section { padding: 64px 24px; }
  .topic-section { padding: 64px 24px; }
  .subscribe-cta { padding: 64px 24px; }
  .subscribe-box { padding: 40px 24px; }
  .subscribe-box h2 { font-size: 24px; }
  .faq-section { padding: 64px 24px; }
  .stats-grid { gap: 20px; }
  .stat-num { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .brand-text { font-size: 18px; }
  .brand-mark { width: 36px; height: 36px; font-size: 20px; }
  .header-login-btn { padding: 0 14px; font-size: 13px; height: 36px; }
  .banner-content { padding: 48px 0; }
  .banner-content h1 { font-size: 26px; }
  .section-title { font-size: 24px; line-height: 32px; }
  .news-section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 24px; }
  .news-thumb { height: 140px; }
  .topic-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-num { font-size: 30px; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .news-body { padding: 18px; }
  .accordion-title { font-size: 15px; padding: 18px 16px; }
  .accordion-content { padding: 14px 16px 18px; font-size: 14px; }
}

/* roulang page: category2 */
:root {
  --primary: #0E7C5B;
  --primary-dark: #0A6045;
  --accent: #F28C38;
  --accent-dark: #D97420;
  --bg: #F7F4EE;
  --card-bg: #FFFFFF;
  --text: #18211E;
  --text-secondary: #5C6B65;
  --border: #E5DFD4;
  --shadow: 0 2px 8px rgba(24, 33, 30, 0.06);
  --shadow-lg: 0 8px 24px rgba(24, 33, 30, 0.10);
  --radius: 8px;
  --radius-card: 16px;
  --transition: all .25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 96px 0; }
.section-title-wrap { margin-bottom: 48px; }
.section-title-wrap h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}
.section-desc { color: var(--text-secondary); margin-top: 12px; font-size: 15px; max-width: 720px; }
.section-head-center { text-align: center; }
.section-head-center h2 { border-left: none; padding-left: 0; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(1px); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(14, 124, 91, 0.08); color: var(--primary-dark); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== 双层导航 ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: relative; z-index: 100; }
.header-top { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--primary); color: #fff;
  font-size: 22px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.brand-text { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: .5px; }
.brand:hover .brand-text { color: var(--primary); }
.header-tools { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); height: 40px; overflow: hidden; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.12); }
.search-box i { padding-left: 12px; color: var(--text-secondary); font-size: 14px; }
.search-box input { border: none; background: transparent; outline: none; font-size: 14px; width: 200px; padding: 0 8px; color: var(--text); font-family: inherit; }
.search-box button { border: none; background: transparent; padding: 0 12px; color: var(--primary); cursor: pointer; font-size: 14px; }
.header-login-btn { height: 40px; padding: 0 18px; font-size: 14px; }
.channel-nav { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.channel-scroll { display: flex; align-items: center; gap: 8px; height: 44px; overflow-x: auto; scrollbar-width: none; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex; align-items: center; padding: 6px 18px;
  border-radius: 999px; font-size: 15px; font-weight: 500;
  color: var(--text-secondary); white-space: nowrap;
}
.channel-link:hover { color: var(--primary); background: rgba(14, 124, 91, 0.08); }
.channel-link.active { background: var(--primary); color: #fff; }

/* ===== 分类 Banner ===== */
.page-banner {
  position: relative;
  padding: 96px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: 40px; line-height: 1.3; font-weight: 800; max-width: 900px; }
.page-banner .banner-sub { font-size: 17px; color: rgba(255, 255, 255, 0.9); margin-top: 18px; max-width: 760px; line-height: 1.8; }
.banner-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.banner-actions .btn-outline { border-color: #fff; color: #fff; }
.banner-actions .btn-outline:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* ===== 案例卡片网格 ===== */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.case-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(14, 124, 91, 0.35); }
.case-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.case-card:hover .case-cover img { transform: scale(1.03); }
.case-tag {
  position: absolute; top: 16px; left: 16px;
  background: rgba(255, 255, 255, 0.94); color: var(--primary);
  font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 999px;
}
.case-body { padding: 24px; }
.case-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; line-height: 1.5; }
.case-body p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 16px; }
.case-link { color: var(--primary); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }
.case-link i { transition: transform .2s ease; }
.case-link:hover i { transform: translateX(4px); }

/* ===== 数据带 ===== */
.data-band { background: var(--primary-dark); padding: 80px 0; color: #fff; }
.data-band .section-title-wrap h2 { color: #fff; border-left-color: #fff; }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 32px; }
.data-item { text-align: center; }
.data-item .number { font-size: 44px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.2; }
.data-item .number-label { color: rgba(255, 255, 255, 0.82); margin-top: 10px; font-size: 15px; }

/* ===== 场景区 ===== */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scene-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.scene-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.scene-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(14, 124, 91, 0.1); color: var(--primary);
  font-size: 22px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.scene-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.scene-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== 流程区 ===== */
.process-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.process-intro h2 { font-size: 28px; font-weight: 700; padding-left: 16px; border-left: 4px solid var(--primary); line-height: 1.4; margin-bottom: 16px; }
.process-intro > p { color: var(--text-secondary); margin-bottom: 24px; }
.process-list { position: relative; }
.process-item { display: flex; gap: 20px; padding-bottom: 32px; position: relative; }
.process-item::before { content: ""; position: absolute; left: 23px; top: 58px; bottom: 8px; width: 2px; background: var(--border); }
.process-item:last-child::before { display: none; }
.process-num {
  font-size: 26px; font-weight: 800; color: var(--primary);
  font-variant-numeric: tabular-nums; width: 48px; height: 48px;
  border-radius: 50%; background: rgba(14, 124, 91, 0.1);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.process-text h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.process-text p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-list .accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border) !important;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-list .accordion-item:hover { border-color: rgba(14, 124, 91, 0.35) !important; }
.faq-list .accordion-title {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 17px; font-weight: 600; padding: 18px 24px;
  cursor: pointer; color: var(--text); background: #fff;
  border: none !important; line-height: 1.5;
}
.faq-list .accordion-title:hover { color: var(--primary); background: #fff; }
.faq-list .accordion-title .faq-icon { color: var(--primary); transition: transform .25s ease; font-size: 18px; }
.faq-list .accordion-item.is-active .faq-icon { transform: rotate(45deg); }
.faq-list .accordion-content {
  background: #fff; color: var(--text-secondary);
  padding: 0 24px 22px; line-height: 1.8;
  border: none !important;
}

/* ===== CTA ===== */
.cta-section { background: var(--primary); color: #fff; padding: 88px 0; }
.cta-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.cta-info h2 { font-size: 28px; font-weight: 700; line-height: 1.4; margin-bottom: 16px; }
.cta-info > p { color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; line-height: 1.8; }
.cta-contact-list li { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: rgba(255, 255, 255, 0.95); font-size: 15px; }
.cta-contact-list i { color: rgba(255, 255, 255, 0.9); width: 18px; }
.cta-form-card { background: #fff; border-radius: var(--radius-card); padding: 32px; box-shadow: var(--shadow-lg); color: var(--text); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.form-group input,
.form-group textarea {
  width: 100%; height: 44px; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0 12px; font-size: 15px;
  font-family: inherit; background: #fff; transition: var(--transition); color: var(--text);
}
.form-group textarea { height: 120px; padding: 12px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.15); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== 页脚 ===== */
.site-footer { background: #13201C; color: rgba(255, 255, 255, 0.75); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 40px; }
.footer-brand h3 { color: #fff; font-size: 22px; font-weight: 800; display: flex; gap: 10px; align-items: center; }
.footer-brand h3 span { background: var(--primary); padding: 4px 8px; border-radius: 8px; color: #fff; font-size: 20px; }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 14px; line-height: 1.8; margin-top: 14px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li a { color: rgba(255, 255, 255, 0.6); font-size: 14px; line-height: 2.2; }
.footer-col ul li a:hover { color: #fff; }
.footer-contact li { color: rgba(255, 255, 255, 0.6); font-size: 14px; display: flex; align-items: center; gap: 8px; line-height: 2.2; }
.footer-contact i { color: var(--primary); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .scene-grid { grid-template-columns: 1fr 1fr; }
  .search-box input { width: 140px; }
  .process-wrap { gap: 40px; }
}
@media (max-width: 768px) {
  .section-padding { padding: 64px 0; }
  .case-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .process-wrap { grid-template-columns: 1fr; gap: 40px; }
  .cta-wrap { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .header-tools .search-box { display: none; }
  .page-banner { padding: 64px 0; }
  .page-banner h1 { font-size: 30px; line-height: 1.35; }
  .page-banner .banner-sub { font-size: 16px; }
  .section-title-wrap h2,
  .process-intro h2,
  .cta-info h2 { font-size: 24px; line-height: 1.4; }
  .data-band { padding: 60px 0; }
  .data-item .number { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-form-card { padding: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .brand-text { font-size: 17px; }
  .header-login-btn { padding: 0 14px; font-size: 13px; }
  .channel-link { padding: 6px 14px; font-size: 14px; }
  .scene-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  .banner-actions .btn { width: 100%; }
  .case-body { padding: 20px; }
}

/* roulang page: category4 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #0E7C5B;
      --primary-dark: #0A6045;
      --accent: #F28C38;
      --accent-dark: #D97420;
      --bg: #F7F4EE;
      --card: #FFFFFF;
      --text: #18211E;
      --text-weak: #5C6B65;
      --border: #E5DFD4;
      --radius-lg: 16px;
      --radius-md: 8px;
      --radius-pill: 999px;
      --shadow: 0 2px 8px rgba(24, 33, 30, 0.06);
      --shadow-hover: 0 8px 24px rgba(24, 33, 30, 0.10);
      --transition: all 0.25s ease;
    }

    /* ===== Reset / Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    button,
    input,
    select,
    textarea {
      font-family: inherit;
    }
    ul,
    ol {
      list-style: none;
    }
    .container {
      max-width: 1200px;
      padding-left: 24px;
      padding-right: 24px;
      margin-left: auto;
      margin-right: auto;
    }
    .section {
      padding: 96px 0;
    }
    .section-light {
      background: var(--bg);
    }
    .section-white {
      background: var(--card);
    }
    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 56px;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(14, 124, 91, 0.10);
      padding: 4px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 1px;
      margin-bottom: 16px;
    }
    .section-head h2 {
      font-size: 28px;
      line-height: 38px;
      font-weight: 700;
      color: var(--text);
      position: relative;
      padding-left: 18px;
      display: inline-block;
      text-align: left;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 2px;
      background: var(--primary);
    }
    .section-desc {
      color: var(--text-weak);
      font-size: 16px;
      margin-top: 16px;
      text-align: center;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 600;
      border: 2px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
      gap: 8px;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: var(--shadow-hover);
    }
    .btn-primary:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    .btn-secondary {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-secondary:hover {
      background: rgba(14, 124, 91, 0.10);
      border-color: var(--primary-dark);
      color: var(--primary-dark);
    }
    .btn-accent {
      background: var(--accent);
      color: #fff;
    }
    .btn-accent:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
      box-shadow: var(--shadow-hover);
    }
    .btn-accent:focus {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .btn-lg {
      height: 52px;
      padding: 0 36px;
      font-size: 16px;
    }

    /* ===== Header / 双层导航 ===== */
    .site-header {
      background: var(--card);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 1px 4px rgba(24, 33, 30, 0.04);
      position: relative;
      z-index: 100;
    }
    .header-top {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    .header-tools {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      height: 38px;
      padding: 0 6px 0 14px;
      width: 260px;
      transition: var(--transition);
    }
    .search-box:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(14, 124, 91, 0.12);
    }
    .search-box i {
      color: var(--text-weak);
      font-size: 14px;
      margin-right: 8px;
    }
    .search-box input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 14px;
      color: var(--text);
      outline: none;
      min-width: 0;
    }
    .search-box input::placeholder {
      color: var(--text-weak);
    }
    .search-box button {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: none;
      background: var(--primary);
      color: #fff;
      font-size: 12px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      flex-shrink: 0;
    }
    .search-box button:hover {
      background: var(--primary-dark);
    }
    .header-login-btn {
      height: 38px;
      padding: 0 18px;
      font-size: 14px;
    }
    .channel-nav {
      border-top: 1px solid var(--border);
      background: var(--bg);
    }
    .channel-scroll {
      display: flex;
      align-items: center;
      gap: 4px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      padding: 4px 0;
    }
    .channel-scroll::-webkit-scrollbar {
      display: none;
    }
    .channel-link {
      display: inline-flex;
      align-items: center;
      height: 36px;
      padding: 0 20px;
      border-radius: var(--radius-pill);
      font-size: 15px;
      font-weight: 500;
      color: var(--text-weak);
      white-space: nowrap;
      transition: var(--transition);
      border: 1px solid transparent;
    }
    .channel-link:hover {
      color: var(--primary);
      background: rgba(14, 124, 91, 0.08);
    }
    .channel-link.active {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 2px 6px rgba(14, 124, 91, 0.25);
    }
    .channel-link.active:hover {
      background: var(--primary-dark);
      color: #fff;
    }

    /* ===== Page Banner ===== */
    .page-banner {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      color: #fff;
      overflow: hidden;
      background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
    }
    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(14, 42, 34, 0.60);
      z-index: 1;
    }
    .page-banner .banner-content {
      position: relative;
      z-index: 2;
      width: 100%;
    }
    .page-banner .banner-inner {
      text-align: center;
      max-width: 800px;
      margin: 0 auto;
    }
    .page-banner .banner-tag {
      display: inline-block;
      background: rgba(255, 255, 255, 0.18);
      border: 1px solid rgba(255, 255, 255, 0.30);
      padding: 6px 20px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      letter-spacing: 2px;
      margin-bottom: 20px;
      backdrop-filter: blur(4px);
    }
    .page-banner h1 {
      font-size: 40px;
      line-height: 48px;
      font-weight: 800;
      margin: 0 0 16px;
      letter-spacing: 1px;
    }
    .page-banner p {
      font-size: 17px;
      line-height: 28px;
      color: rgba(255, 255, 255, 0.90);
      max-width: 640px;
      margin: 0 auto;
    }

    /* ===== 品牌介绍区 ===== */
    .about-intro {
      position: relative;
    }
    .about-intro .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .intro-media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }
    .intro-media img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .intro-media:hover img {
      transform: scale(1.02);
    }
    .intro-media::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 60%, rgba(14, 42, 34, 0.20));
      pointer-events: none;
    }
    .intro-content .eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 12px;
      background: rgba(14, 124, 91, 0.08);
      padding: 4px 14px;
      border-radius: var(--radius-pill);
    }
    .intro-content h2 {
      font-size: 32px;
      line-height: 44px;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--text);
    }
    .intro-content p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 28px;
      margin-bottom: 18px;
    }
    .intro-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }
    .intro-tags .tag {
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
      font-size: 13px;
      font-weight: 500;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .intro-tags .tag:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(14, 124, 91, 0.06);
    }

    /* ===== 数据指标区 ===== */
    .stats-band {
      background: var(--primary);
      color: #fff;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    .stats-band::before {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      top: -100px;
      right: -80px;
    }
    .stats-band::after {
      content: '';
      position: absolute;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.03);
      bottom: -60px;
      left: 10%;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
      position: relative;
      z-index: 1;
    }
    .stat-item {
      text-align: center;
      padding: 20px 12px;
      border-radius: var(--radius-lg);
      transition: var(--transition);
    }
    .stat-item:hover {
      background: rgba(255, 255, 255, 0.05);
    }
    .stat-num {
      font-size: 48px;
      line-height: 56px;
      font-weight: 800;
      letter-spacing: -1px;
      font-variant-numeric: tabular-nums;
      margin-bottom: 6px;
    }
    .stat-line {
      width: 32px;
      height: 2px;
      background: var(--accent);
      margin: 12px auto;
      border-radius: 1px;
    }
    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
      letter-spacing: 1px;
    }

    /* ===== 发展历程 ===== */
    .timeline-wrap {
      position: relative;
      max-width: 820px;
      margin: 0 auto;
      padding-left: 48px;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 16px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, var(--primary) 0%, var(--border) 100%);
      border-radius: 1px;
    }
    .timeline-item {
      position: relative;
      padding-bottom: 48px;
    }
    .timeline-item:last-child {
      padding-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -48px;
      top: 6px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--card);
      border: 3px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 0 4px rgba(14, 124, 91, 0.15);
    }
    .timeline-dot i {
      color: var(--primary);
      font-size: 12px;
    }
    .timeline-item .time-year {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(14, 124, 91, 0.08);
      display: inline-block;
      padding: 3px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 10px;
      letter-spacing: 0.5px;
    }
    .timeline-item h3 {
      font-size: 19px;
      line-height: 28px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .timeline-item p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 26px;
    }

    /* ===== 资质荣誉 ===== */
    .cert-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .cert-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow);
    }
    .cert-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
      border-color: rgba(14, 124, 91, 0.40);
    }
    .cert-icon {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(14, 124, 91, 0.10);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      font-size: 24px;
      color: var(--primary);
    }
    .cert-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 26px;
    }
    .cert-card p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 24px;
    }

    /* ===== 团队介绍 ===== */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .team-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow);
    }
    .team-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
    }
    .team-photo {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      background: var(--bg);
    }
    .team-info {
      padding: 20px 20px 24px;
      text-align: center;
    }
    .team-info h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .team-info .role {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 10px;
      display: block;
    }
    .team-info p {
      font-size: 13px;
      color: var(--text-weak);
      line-height: 22px;
    }

    /* ===== 企业价值 ===== */
    .value-section {
      background: var(--card);
    }
    .value-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .value-copy h2 {
      font-size: 28px;
      line-height: 38px;
      font-weight: 700;
      margin-bottom: 20px;
      padding-left: 18px;
      position: relative;
    }
    .value-copy h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 2px;
      background: var(--primary);
    }
    .value-copy p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 28px;
      margin-bottom: 24px;
    }
    .value-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .value-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
      transition: var(--transition);
    }
    .value-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }
    .value-item i {
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 12px;
      display: block;
    }
    .value-item h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .value-item p {
      font-size: 13px;
      color: var(--text-weak);
      line-height: 22px;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
    }
    .accordion {
      background: transparent;
      border: none;
      margin: 0;
    }
    .accordion-item {
      background: var(--card);
      border: 1px solid var(--border) !important;
      border-radius: 12px;
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }
    .accordion-item:hover {
      border-color: rgba(14, 124, 91, 0.30);
    }
    .accordion-item.is-active {
      border-color: var(--primary) !important;
      box-shadow: 0 4px 16px rgba(14, 124, 91, 0.10);
    }
    .accordion-title {
      background: var(--card);
      border: none;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      padding: 20px 48px 20px 24px;
      position: relative;
      transition: var(--transition);
    }
    .accordion-title:hover,
    .accordion-title:focus {
      background: #fafaf8;
      color: var(--primary);
    }
    .accordion-title::after {
      content: '\f067';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary);
      font-size: 14px;
      transition: transform 0.3s ease;
    }
    .accordion-item.is-active .accordion-title::after {
      content: '\f068';
      transform: translateY(-50%) rotate(180deg);
    }
    .accordion-content {
      background: var(--card);
      border: none;
      color: var(--text-weak);
      padding: 0 24px 22px;
      font-size: 15px;
      line-height: 26px;
    }
    .accordion-content p {
      color: var(--text-weak);
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      background: url('/assets/images/backpic/back-3.png') center center / cover fixed;
      padding: 96px 0;
      text-align: center;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(14, 42, 34, 0.85), rgba(14, 124, 91, 0.75));
    }
    .cta-section .container {
      position: relative;
      z-index: 1;
    }
    .cta-section h2 {
      font-size: 34px;
      line-height: 44px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }
    .cta-section p {
      font-size: 16px;
      line-height: 28px;
      color: rgba(255, 255, 255, 0.88);
      max-width: 560px;
      margin: 0 auto 36px;
    }
    .cta-btns {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .cta-section .btn-secondary {
      border-color: #fff;
      color: #fff;
    }
    .cta-section .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--accent);
      color: var(--accent);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #14231F;
      color: rgba(255, 255, 255, 0.75);
      padding-top: 72px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand h3 span {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 26px;
      color: rgba(255, 255, 255, 0.60);
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      transition: var(--transition);
    }
    .footer-col ul li a:hover {
      color: var(--accent);
      padding-left: 4px;
    }
    .footer-contact li {
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }
    .footer-contact i {
      color: var(--accent);
      width: 16px;
      text-align: center;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.10);
      padding: 22px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.50);
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.60);
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
      .section {
        padding: 72px 0;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .cert-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }
      .value-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
    }
    @media screen and (max-width: 768px) {
      .header-top {
        height: auto;
        padding: 12px 0;
        flex-wrap: wrap;
        gap: 12px;
      }
      .header-tools {
        width: 100%;
        justify-content: space-between;
      }
      .search-box {
        flex: 1;
        max-width: none;
      }
      .brand-text {
        font-size: 16px;
      }
      .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 16px;
      }
      .about-intro .intro-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .section-head h2 {
        font-size: 24px;
        line-height: 32px;
      }
      .page-banner {
        min-height: 320px;
      }
      .page-banner h1 {
        font-size: 30px;
        line-height: 38px;
      }
      .page-banner p {
        font-size: 15px;
        line-height: 24px;
      }
      .stats-num {
        font-size: 36px;
        line-height: 44px;
      }
      .value-list {
        grid-template-columns: 1fr;
      }
      .cta-section {
        background-attachment: scroll;
        padding: 64px 0;
      }
      .cta-section h2 {
        font-size: 26px;
        line-height: 36px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
    @media screen and (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .section {
        padding: 56px 0;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .cert-grid {
        grid-template-columns: 1fr;
      }
      .team-grid {
        grid-template-columns: 1fr;
      }
      .header-login-btn {
        padding: 0 14px;
        font-size: 13px;
      }
      .search-box {
        width: 100%;
        order: 3;
      }
      .header-tools {
        flex-wrap: wrap;
      }
      .timeline-wrap {
        padding-left: 36px;
      }
      .timeline-dot {
        left: -36px;
        width: 24px;
        height: 24px;
      }
      .timeline-wrap::before {
        left: 11px;
      }
      .cta-btns .btn {
        width: 100%;
      }
      .footer-bottom {
        gap: 8px;
      }
    }