/* roulang page: index */
:root {
  --primary: #1E8A5A;
  --primary-deep: #125E3D;
  --primary-gradient: linear-gradient(135deg, #2BAE66 0%, #1E8A5A 50%, #125E3D 100%);
  --accent: #F5A81C;
  --accent-soft: #FFF4E0;
  --bg: #FAF9F4;
  --surface: #FFFFFF;
  --ink: #1B2A22;
  --body: #3E4D44;
  --muted: #7A8B80;
  --dark-bg: #0D2B20;
  --line: #E6E9E3;
  --shadow: 0 12px 30px rgba(21, 87, 57, 0.10);
  --shadow-hover: 0 18px 40px rgba(21, 87, 57, 0.16);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --space-section: clamp(64px, 8vw, 104px);
  --max-width: 1280px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Oswald", "Arial Narrow", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}

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

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

button {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(30, 138, 90, 0.35);
  outline-offset: 2px;
}

/* 按钮重置 */
.btn {
  border-radius: var(--radius-pill);
  border: none;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 16px;
  transition: all .25s ease;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-gradient);
  color: #fff;
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(21, 87, 57, 0.22);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline-primary {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: rgba(30, 138, 90, 0.05);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

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

.btn-amber:hover {
  background: #EFA112;
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(245, 168, 28, 0.35);
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(21, 87, 57, 0.25);
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1;
}

.main-nav {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: all .25s ease;
}

.chip:hover {
  background: rgba(30, 138, 90, 0.06);
  color: var(--primary);
  border-color: rgba(30, 138, 90, 0.3);
}

.chip.active {
  background: var(--primary-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(21, 87, 57, 0.25);
}

.header-cta {
  margin-left: 4px;
  padding: 12px 28px;
}

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 80px;
  background: var(--bg);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -160px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(30, 138, 90, 0.16) 0%, transparent 65%);
  filter: blur(24px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 16px;
  background: rgba(30, 138, 90, 0.08);
  border: 1px solid rgba(30, 138, 90, 0.16);
  border-radius: var(--radius-pill);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.hero-title {
  margin: 22px 0 16px;
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--body);
  max-width: 480px;
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 16px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  min-width: 132px;
}

.stat-num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.15;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
}

.hero-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.hero-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.hero-float {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 20px rgba(245, 168, 28, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-float-data {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

/* 通用区块 */
.section {
  padding: var(--space-section) 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 10px;
}

.section-desc {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

/* 功能分组 */
.feature-section {
  background: var(--surface);
}

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

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(30, 138, 90, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 18px;
  font-size: 24px;
}

.feature-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
}

.feature-text {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin: 0;
}

.feature-arrow {
  position: absolute;
  right: 22px;
  bottom: 20px;
  opacity: 0;
  transition: all .3s ease;
  color: var(--primary);
  font-size: 20px;
}

.feature-card:hover .feature-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* 使用场景 */
.scenarios {
  background: var(--dark-bg);
  color: #fff;
}

.scenarios .section-eyebrow {
  color: var(--accent);
}

.scenarios .section-title {
  color: #fff;
}

.scenarios .section-desc {
  color: rgba(255, 255, 255, 0.65);
}

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

.scenario-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all .3s ease;
}

.scenario-card:hover {
  background: rgba(255, 255, 255, 0.10);
  transform: translateY(-4px);
}

.scenario-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.scenario-body {
  padding: 22px;
}

.scenario-tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  background: rgba(245, 168, 28, 0.16);
  color: var(--accent);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.scenario-title {
  font-size: 17px;
  font-weight: 600;
  margin-top: 12px;
}

.scenario-desc {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

.scenario-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
}

.scenario-link:hover {
  color: #FFD166;
}

/* 成功案例 */
.cases {
  background: var(--bg);
}

.cases-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.cases-left {
  position: sticky;
  top: 100px;
}

.case-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow);
  transition: all .3s ease;
}

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

.case-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.case-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.case-summary {
  margin-top: 12px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.6;
}

.case-quote {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--accent-soft);
  border-radius: 12px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  border-left: 3px solid var(--accent);
  margin-bottom: 0;
}

.case-data {
  margin-top: 16px;
  display: flex;
  gap: 28px;
}

.case-num {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}

.case-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* 价格 */
.pricing {
  background: var(--surface);
}

.pricing .section-head {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

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

.pricing-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all .3s ease;
}

.pricing-card:hover {
  box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
  transform: translateY(-16px);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-hover);
  z-index: 1;
}

.pricing-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 16px rgba(21, 87, 57, 0.25);
  white-space: nowrap;
}

.pricing-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.pricing-price {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 16px;
  line-height: 1.1;
}

.pricing-price span {
  font-size: 16px;
  color: var(--muted);
  font-weight: 400;
}

.pricing-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  flex: 1;
}

.pricing-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--body);
  padding: 8px 0;
}

.pricing-list li i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 1px;
}

.pricing-btn {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all .25s ease;
}

.pricing-btn:hover {
  background: rgba(30, 138, 90, 0.06);
  color: var(--primary);
}

.featured .pricing-btn {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
}

.featured .pricing-btn:hover {
  filter: brightness(1.06);
  box-shadow: 0 10px 20px rgba(21, 87, 57, 0.2);
  color: #fff;
}

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

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

.news-more {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease;
}

.news-more:hover {
  color: var(--primary-deep);
  border-bottom-color: var(--primary);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.news-large-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  transition: all .3s ease;
}

.news-large-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.news-large-link {
  display: block;
  color: inherit;
}

.news-large-thumb img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.news-large-body {
  padding: 24px;
}

.news-large-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 12px 0 8px;
  line-height: 1.4;
}

.news-large-summary {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin: 0 0 14px;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  background: rgba(30, 138, 90, 0.08);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.news-meta {
  font-size: 12px;
  color: var(--muted);
}

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

.news-item {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all .3s ease;
  color: inherit;
}

.news-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
  color: inherit;
}

.news-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.news-item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-summary {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin: 8px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 56px 24px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line);
}

.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(30, 138, 90, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--muted);
  margin-bottom: 16px;
}

.empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 6px;
}

.empty-text {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* FAQ */
.faq-section {
  background: var(--surface);
}

.faq-section .section-head {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

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

.faq-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: background .2s ease;
}

.faq-question:hover {
  background: rgba(30, 138, 90, 0.03);
}

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(30, 138, 90, 0.08);
  color: var(--primary);
  transition: transform .3s ease;
  flex-shrink: 0;
  font-size: 14px;
}

.faq-question:not(.collapsed) .faq-icon {
  transform: rotate(180deg);
}

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

/* CTA 横幅 */
.cta-banner {
  padding: var(--space-section) 0;
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 65%);
  border-radius: 50%;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.3;
}

.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.86);
  margin: 0;
}

.cta-btn {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  height: 54px;
  padding: 0 40px;
  font-size: 17px;
  border-radius: var(--radius-pill);
}

/* 页脚 */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 40px;
}

.footer-brand-text {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.footer-desc {
  font-size: 14px;
  margin-top: 10px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all .25s ease;
}

.social-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  font-size: 14px;
  line-height: 2.1;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color .2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .scenario-grid {
    gap: 18px;
  }

  .pricing-grid {
    gap: 18px;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 0;
  }

  .main-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 4px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }

  .main-nav .chip {
    flex-shrink: 0;
  }

  .header-cta {
    margin-left: auto;
  }

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

  .hero-img {
    height: 360px;
  }

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

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

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

  .cases-left {
    position: static;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

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

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

@media (max-width: 767.98px) {
  .hero {
    padding: 48px 0 60px;
  }

  .hero-img {
    height: 280px;
  }

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

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

  .section {
    padding: 56px 0;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

  .feature-card {
    padding: 24px;
  }

  .stat-card {
    min-width: 108px;
    padding: 14px 16px;
  }

  .stat-num {
    font-size: 28px;
  }

  .pricing-card {
    padding: 26px 20px;
  }

  .pricing-price {
    font-size: 42px;
  }

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

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

/* roulang page: category1 */
:root {
            --primary: #1E8A5A;
            --primary-deep: #125E3D;
            --primary-gradient: linear-gradient(135deg, #2BAE66 0%, #1E8A5A 50%, #125E3D 100%);
            --accent: #F5A81C;
            --accent-soft: #FFF4E0;
            --bg: #FAF9F4;
            --surface: #FFFFFF;
            --ink: #1B2A22;
            --body: #3E4D44;
            --muted: #7A8B80;
            --dark-bg: #0D2B20;
            --line: #E6E9E3;
            --shadow: 0 12px 30px rgba(21, 87, 57, 0.10);
            --shadow-hover: 0 18px 40px rgba(21, 87, 57, 0.16);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --space-section: clamp(64px, 8vw, 104px);
            --max-width: 1280px;
        }

        *,
        *::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", "Source Han Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--ink);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

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

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

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

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 14px 32px;
            font-size: 16px;
            line-height: 1.2;
            border: 1.5px solid transparent;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            text-decoration: none;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(30, 138, 90, 0.35);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            box-shadow: 0 8px 20px rgba(30, 138, 90, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(30, 138, 90, 0.35);
            filter: brightness(1.08);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(30, 138, 90, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(30, 138, 90, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--ink);
            border: none;
            box-shadow: 0 8px 24px rgba(245, 168, 28, 0.35);
            font-weight: 700;
        }

        .btn-accent:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(245, 168, 28, 0.45);
            color: var(--ink);
        }

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

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: none;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(30, 138, 90, 0.3);
        }

        .brand-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

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

        .main-nav .chip {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--line);
            background: transparent;
            color: var(--body);
            transition: all 0.3s ease;
            white-space: nowrap;
            text-decoration: none;
        }

        .main-nav .chip:hover {
            background: rgba(30, 138, 90, 0.05);
            border-color: var(--primary);
            color: var(--primary);
        }

        .main-nav .chip.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 16px rgba(30, 138, 90, 0.3);
        }

        .header-cta {
            padding: 10px 24px;
            font-size: 15px;
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .header-inner {
                flex-wrap: wrap;
                padding-top: 12px;
                padding-bottom: 12px;
                gap: 10px;
            }

            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                padding-bottom: 4px;
            }

            .main-nav::-webkit-scrollbar {
                display: none;
            }

            .main-nav .chip {
                flex-shrink: 0;
                padding: 8px 18px;
                font-size: 14px;
            }

            .header-cta {
                margin-left: auto;
                padding: 9px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 576px) {
            .brand-text {
                font-size: 20px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                border-radius: 10px;
            }
        }

        /* ===== 分类横幅 ===== */
        .category-banner {
            background: linear-gradient(180deg, rgba(30, 138, 90, 0.06) 0%, transparent 100%);
            padding: clamp(48px, 6vw, 80px) 0 40px;
            position: relative;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(30, 138, 90, 0.06);
            filter: blur(20px);
        }

        .category-banner .banner-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .category-brief .badge-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: var(--primary-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .category-brief h1 {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .category-brief .lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--body);
            max-width: 520px;
        }

        .banner-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .banner-media img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .banner-media .media-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 12px rgba(245, 168, 28, 0.4);
        }

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

        /* ===== 标签筛选 ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .filter-bar .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--line);
            background: var(--surface);
            color: var(--body);
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .filter-bar .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-bar .filter-chip.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
        }

        /* ===== 主内容区域 ===== */
        .category-main {
            padding: clamp(48px, 5vw, 72px) 0 var(--space-section);
        }

        .content-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 40px;
            align-items: start;
        }

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

        .list-card {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 138, 90, 0.12);
            transform: translateY(-2px);
        }

        .list-card .thumb {
            width: 120px;
            height: 84px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--line);
        }

        .list-card .card-content {
            flex: 1;
            min-width: 0;
        }

        .list-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .list-card .card-meta .chip-tag {
            background: rgba(30, 138, 90, 0.1);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 11px;
        }

        .list-card h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-card h3 a {
            color: var(--ink);
            transition: color 0.2s;
        }

        .list-card h3 a:hover {
            color: var(--primary);
        }

        .list-card p {
            font-size: 14px;
            color: var(--body);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .list-card {
                flex-direction: column;
            }

            .list-card .thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }

        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--ink);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--line);
            position: relative;
        }

        .sidebar-widget .widget-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }

        .search-box {
            display: flex;
            gap: 8px;
        }

        .search-box input {
            flex: 1;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--line);
            font-size: 14px;
            background: var(--bg);
            transition: all 0.3s ease;
            outline: none;
        }

        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(30, 138, 90, 0.12);
            background: #fff;
        }

        .search-box .btn-search {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            cursor: pointer;
            flex-shrink: 0;
        }

        .search-box .btn-search:hover {
            transform: scale(1.06);
            box-shadow: 0 6px 16px rgba(30, 138, 90, 0.3);
        }

        .recent-list {
            list-style: none;
        }

        .recent-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
        }

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

        .recent-list li a {
            font-size: 14px;
            color: var(--body);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .recent-list li a:hover {
            color: var(--primary);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-item {
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--bg);
            border: 1px solid var(--line);
            font-size: 13px;
            color: var(--body);
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .tag-cloud .tag-item:hover {
            background: rgba(30, 138, 90, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

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

            .sidebar {
                position: static;
                order: -1;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
                gap: 16px;
            }
        }

        /* ===== 分页器 ===== */
        .pagination-wrap {
            margin-top: 40px;
            display: flex;
            justify-content: center;
        }

        .pagination {
            display: flex;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .page-item .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--line);
            background: var(--surface);
            color: var(--body);
            font-weight: 600;
            font-size: 14px;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .page-item .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(30, 138, 90, 0.04);
        }

        .page-item.active .page-link {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(30, 138, 90, 0.3);
        }

        /* ===== 场景区 / 深色背景模块 ===== */
        .scenario-section {
            background: var(--dark-bg);
            padding: var(--space-section) 0;
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            overflow: hidden;
        }

        .scenario-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: 10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(43, 174, 102, 0.2) 0%, transparent 70%);
            filter: blur(30px);
        }

        .scenario-section .section-title {
            color: #fff;
        }

        .scenario-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .scenario-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
            z-index: 1;
        }

        .scenario-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }

        .scenario-card .scenario-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .scenario-card .scenario-body {
            padding: 24px;
        }

        .scenario-card .scenario-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 168, 28, 0.15);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .scenario-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
        }

        .scenario-card .scenario-link {
            display: inline-block;
            margin-top: 14px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: all 0.25s;
        }

        .scenario-card .scenario-link:hover {
            border-bottom-color: var(--accent);
        }

        @media (max-width: 992px) {
            .scenario-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .scenario-cards {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 程序/流程区 ===== */
        .steps-section {
            padding: var(--space-section) 0;
            background: var(--surface);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .step-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: var(--bg);
            border: 1px solid var(--line);
            position: relative;
            transition: all 0.3s ease;
        }

        .step-item:hover {
            background: #fff;
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(30, 138, 90, 0.3);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .faq-panel {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            margin-top: 40px;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 0 24px;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            cursor: pointer;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color 0.2s;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.35s ease;
            color: var(--primary);
            font-size: 14px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.45s ease;
            padding: 0;
        }

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

        /* ===== CTA横幅 ===== */
        .cta-banner {
            background: var(--primary-gradient);
            padding: clamp(48px, 6vw, 80px) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -30px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-banner h2 {
            color: #fff;
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-accent {
            position: relative;
            z-index: 1;
            padding: 16px 48px;
            font-size: 17px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            padding: 64px 0 24px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand-text {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .social-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .social-btn:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--ink);
            transform: translateY(-3px);
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.25s;
        }

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

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

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

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

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

        /* ===== 通用区块标题 ===== */
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }

        .section-sub {
            font-size: 14px;
            color: var(--muted);
            max-width: 460px;
            line-height: 1.7;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            white-space: nowrap;
            transition: gap 0.25s ease;
        }

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

        /* ===== 功能卡片 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(230, 233, 227, 0.8);
            transition: all 0.35s ease;
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(30, 138, 90, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 22px;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--muted);
            margin-bottom: 0;
        }

        .feature-card .feature-link {
            position: absolute;
            right: 20px;
            bottom: 20px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 138, 90, 0.06);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            opacity: 0;
            transform: translateX(-8px);
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-link {
            opacity: 1;
            transform: translateX(0);
        }

        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 价值对比区 ===== */
        .value-section {
            padding: var(--space-section) 0;
            background: var(--surface);
        }

        .value-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            border: 1px solid var(--line);
            transition: all 0.3s ease;
        }

        .value-card:hover {
            border-color: rgba(30, 138, 90, 0.3);
            box-shadow: var(--shadow);
        }

        .value-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
        }

        .value-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .value-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        @media (max-width: 992px) {
            .value-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 徽章/标签通用 ===== */
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 138, 90, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
        }

        /* ===== 移动端调整 ===== */
        @media (max-width: 576px) {
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-link {
                margin-top: -12px;
            }

            .list-card {
                padding: 16px;
            }
        }

/* roulang page: article */
:root {
  --primary: #1E8A5A;
  --primary-deep: #125E3D;
  --primary-gradient: linear-gradient(135deg, #2BAE66 0%, #1E8A5A 50%, #125E3D 100%);
  --accent: #F5A81C;
  --accent-soft: #FFF4E0;
  --bg: #FAF9F4;
  --surface: #FFFFFF;
  --ink: #1B2A22;
  --body: #3E4D44;
  --muted: #7A8B80;
  --dark-bg: #0D2B20;
  --line: #E6E9E3;
  --shadow: 0 12px 30px rgba(21, 87, 57, 0.10);
  --shadow-hover: 0 18px 40px rgba(21, 87, 57, 0.16);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --space-section: clamp(64px, 8vw, 104px);
  --max-width: 1280px;
}

*,
*::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", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.section {
  padding: var(--space-section) 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 249, 244, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(30, 138, 90, 0.25);
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  color: var(--body);
  transition: all 0.22s ease;
  white-space: nowrap;
}

.chip:hover {
  background: rgba(30, 138, 90, 0.06);
  color: var(--primary);
  border-color: rgba(30, 138, 90, 0.3);
}

.chip.active {
  background: var(--primary-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(30, 138, 90, 0.28);
}

.header-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all 0.22s ease;
  cursor: pointer;
  outline: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(30, 138, 90, 0.24);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(30, 138, 90, 0.32);
}

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

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(30, 138, 90, 0.05);
  color: var(--primary-deep);
}

/* Article layout */
.article-page {
  padding-bottom: var(--space-section);
}

.breadcrumb-nav {
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.breadcrumb-nav .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb-nav a {
  color: var(--muted);
}

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

.breadcrumb-nav .sep {
  color: #c0cac2;
}

.breadcrumb-nav .current {
  color: var(--ink);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 32px;
}

.article-header {
  margin-bottom: 40px;
}

.article-title {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .chip-cat {
  background: rgba(30, 138, 90, 0.08);
  color: var(--primary);
  border: none;
  min-height: 24px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 15px;
  background: var(--surface);
  transition: all 0.2s ease;
}

.share-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(30, 138, 90, 0.04);
  transform: translateY(-2px);
}

.article-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--body);
}

.article-content > * {
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 20px;
  line-height: 1.4;
}

.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.article-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 14px;
}

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

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: #f2f5f0;
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 24px;
}

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

.article-content pre {
  background: var(--dark-bg);
  color: #e2ece6;
  border-radius: 12px;
  padding: 20px 24px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 14px;
  line-height: 1.7;
  overflow-x: auto;
  margin-bottom: 24px;
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(30, 138, 90, 0.08);
  color: var(--primary-deep);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.92em;
}

.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--muted);
  margin-bottom: 20px;
}

.empty-state h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--muted);
  margin-bottom: 24px;
}

/* Related */
.related-section {
  background: var(--bg);
  padding-top: 0;
}

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

.section-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

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

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

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
  transition: all 0.28s ease;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(30, 138, 90, 0.15);
}

.related-thumb {
  width: 100%;
  height: 140px;
  overflow: hidden;
}

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

.related-card:hover .related-thumb img {
  transform: scale(1.03);
}

.related-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.related-body .chip-cat {
  align-self: flex-start;
  background: rgba(30, 138, 90, 0.08);
  color: var(--primary);
  border: none;
  min-height: 22px;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
  transition: color 0.2s ease;
}

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

.related-date {
  font-size: 13px;
  color: var(--muted);
  margin-top: auto;
}

.article-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 48px;
}

/* Footer */
.site-footer {
  background: var(--dark-bg);
  color: #c7d5cd;
  padding-top: 64px;
  padding-bottom: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-text {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  color: #9fb4a9;
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #c7d5cd;
  font-size: 16px;
  transition: all 0.2s ease;
}

.social-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark-bg);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
  font-size: 14px;
  color: #9fb4a9;
}

.footer-links a {
  color: #9fb4a9;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  color: #7f9589;
}

@media (max-width: 991.98px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

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

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

@media (max-width: 767.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

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

  .related-thumb {
    height: 160px;
  }

  .article-actions {
    flex-direction: column;
    gap: 12px;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  body {
    font-size: 15px;
  }

  .brand-text {
    font-size: 20px;
  }

  .chip {
    padding: 8px 14px;
    font-size: 14px;
  }

  .btn {
    padding: 11px 22px;
  }

  .breadcrumb-nav {
    font-size: 13px;
  }

  .breadcrumb-nav .current {
    max-width: 140px;
  }

  .article-content {
    font-size: 16px;
  }

  .article-content blockquote {
    padding: 16px 18px;
    font-size: 15px;
  }

  .article-content pre {
    padding: 16px;
    font-size: 13px;
  }
}